Heat dissipation hub and air conditioning system

Abstract

The invention relates to the technical field of air conditioners, in particular to a heat dissipation hub and an air conditioning system. The heat dissipation hub comprises a hub body and a heat dissipation assembly, wherein a first through hole is formed in the hub body; the flow guide baffle comprises a first flow guide part, the first flow guide part at least partially shields the first through hole so as to guide the airflow, and a second through hole for the airflow to pass through is formed between the first flow guide part and the first through hole; and the second flow guide part is arranged between the first flow guide part and the surface, where the hub body is located, of the first through hole, and is used for guiding the air flow passing through the second through hole. The first flow guide part shields the first through hole, the formed second through hole allows air flow to pass through and has the flow guide effect on the air flow, vortexes at the air outlet position of the original through hole are eliminated, and the heat dissipation efficiency is improved; and on the other hand, through the dual flow guide effect of the first flow guide part and the second flow guide part, generation of vortexes at other positions of the through hole is further avoided, the heat dissipation efficiency is improved, and noise is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of air conditioning, and in particular to a heat dissipation hub and an air conditioning system. Background Art

[0002] The ceiling air conditioner, also known as the ceiling air conditioner, ceiling-mounted or embedded air conditioner, has a long air supply distance, beautiful appearance, and does not take up space. It has been favored by more and more consumers. At the same time, consumers have higher and higher requirements for its air volume and noise. A hub is provided in the air conditioner. The purpose of the hole in the hub is to dissipate the heat of the motor. The hub in the prior art is mostly a hole directly opened on the hub 10. The shape of the through hole 20 is mainly square, circular, trapezoidal, etc. At the same time, eddy currents will be generated near the through hole 20, which will affect the air supply effect. The structure of directly opening a hole on the hub in the prior art is as follows Figure 1 As shown, the motor heat dissipation is realized by using the wheel hub in the prior art, and the simulation effect is as follows Figure 2 As shown, it can be seen that eddy currents appeared near the wheel hub opening, which affected the air supply effect, reduced the heat dissipation efficiency, and generated a lot of noise, resulting in a poor user experience.

[0003] Other technical means for motor heat dissipation in the prior art mostly focus on the design and modification of the fan blades and the draft ring, but do not involve the modification of the hub, which leads to problems such as reduced air volume, low heat dissipation efficiency and high noise. Summary of the invention

[0004] The present invention provides a heat dissipation hub and an air conditioning system, which are used to solve the defects in the prior art that a hub is directly opened with a hole, a turbine appears near the opening position, the air intake volume decreases, and the heat dissipation efficiency is low and the noise is high.

[0005] The present invention provides a heat dissipation hub, comprising:

[0006] A hub body, wherein the hub body is provided with a first through hole;

[0007] A guide baffle, the guide baffle comprising:

[0008] a first air guide portion, wherein the first air guide portion at least partially blocks the first through hole to guide airflow and form a second through hole between the first air guide portion and the first through hole for airflow to pass through;

[0009] The second air guide portion is disposed between the first air guide portion and the surface of the hub body where the first through hole is located, and is used for guiding the airflow passing through the second through hole.

[0010] According to a heat dissipation hub provided by the present invention, the first end of the first air guide portion is connected to the first end of the first through hole, and a second through hole for air flow to pass through is formed between the second end of the first air guide portion and the second end of the second through hole;

[0011] Among them, 0.15H1≤H2≤0.85H1; wherein H1 represents the height of the first through hole, and H2 represents the height of the second guide portion.

[0012] According to a heat dissipation hub provided by the present invention, the second air guide portion includes: a boss structure, one end of the boss structure is connected to the hub body as an integral structure, and the boss structure is a structure protruding outward along the surface where the first through hole is located.

[0013] According to a heat dissipation hub provided by the present invention, the boss structure comprises:

[0014] a first protruding edge, the first protruding edge being disposed close to an upwind area of ​​the first through hole, and the first protruding edge forming a first angle with a horizontal line;

[0015] a second protruding edge, the second protruding edge being disposed close to the upwind area of ​​the first through hole, and the second protruding edge forming a second angle with the horizontal line;

[0016] Wherein, the first angle is greater than the second angle.

[0017] According to a heat dissipation hub provided by the present invention, a plurality of boss structures are arranged along the circumference of the hub body, and a third through hole for airflow to pass through is formed between the head and tail ends of two adjacent boss structures.

[0018] According to a heat dissipation hub provided by the present invention, the first air guide portion includes: a third protruding edge and a fourth protruding edge sequentially arranged along the circumferential direction of the hub body, and the angle between the third protruding edge and the fourth protruding edge is an acute angle.

[0019] According to a heat dissipation hub provided by the present invention, the first air guide portion and the second air guide portion are an integrated structure.

[0020] According to a heat dissipation hub provided by the present invention, the hub body further comprises: a plurality of fan blades, the plurality of fan blades being arranged in sequence around the circumferential direction of the hub body;

[0021] A plurality of the guide baffles are provided, and the plurality of the guide baffles are arranged in sequence around the circumferential direction of the hub body.

[0022] According to a heat dissipation hub provided by the present invention, a third angle is formed between two adjacent fan blades;

[0023] A fourth angle is formed between two adjacent guide baffles;

[0024] Wherein, the fourth angle is less than or equal to the third angle.

[0025] The present invention further provides an air conditioning system, comprising: the heat dissipation hub in the embodiment of the present invention.

[0026] The heat dissipation hub provided by the present invention comprises a hub body and a guide baffle, wherein the guide baffle comprises: a first guide portion and a second guide portion; the first guide portion at least partially blocks the first through hole to guide the airflow and form a second through hole for airflow to pass between the first guide portion and the first through hole; the second guide portion is arranged between the first guide portion and the surface of the hub body where the first through hole is located, and is used to guide the airflow passing through the second through hole. The heat dissipation hub provided by the present invention eliminates the vortex at the air outlet position of the original through hole by blocking the first through hole by the first guide portion, and utilizes the second through hole formed by the first guide portion and the first through hole for airflow to pass through and its guiding effect on the airflow, thereby improving the heat dissipation efficiency; on the other hand, through the dual guiding effect of the first guide portion and the second guide portion, the generation of vortex at other positions of the through hole is further avoided, thereby improving the heat dissipation efficiency and reducing the noise.

[0027] Furthermore, the present invention also provides an air conditioning system, which includes the heat dissipation hub in the embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a structural schematic diagram of a wheel hub provided in the prior art;

[0030] Figure 2 This is a simulation effect diagram of the heat dissipation of a wheel hub provided in the prior art;

[0031] Figure 3 is a schematic structural diagram of a heat dissipation hub provided in one embodiment of the present invention;

[0032] Figure 4 is a front view of a heat dissipation hub provided in one embodiment of the present invention;

[0033] Figure 5 is a top view of a heat dissipation hub provided in one embodiment of the present invention;

[0034] Figure 6 is an axial cross-sectional view of a heat dissipation hub provided in one embodiment of the present invention;

[0035] Figure 7is a partial structural schematic diagram of a third through hole in a heat dissipation hub provided in one embodiment of the present invention;

[0036] Figure 8 This is a simulation effect diagram of the heat dissipation of a heat dissipation hub provided in one embodiment of the present invention;

[0037] Fig. 9 It is a simulation effect diagram of the heat dissipation of the heat dissipation hub provided in one embodiment of the present invention.

[0038] Reference numerals:

[0039] 10: wheel hub; 20: through hole;

[0040] 100: hub body; 200: guide baffle; 210: first guide portion; 211: third protruding edge; 212: fourth protruding edge; 220: second guide portion; 221: first protruding edge; 222: second protruding edge; 230: third through hole; 300: fan blade; 400: second through hole; a: angle between the third protruding edge and the fourth protruding edge; b: first angle; c: second angle; d: third angle. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limitations on the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0043] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0044] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0045] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0046] Combine the following Figure 1-Figure 9 The heat dissipation hub of the present invention is described as follows. The heat dissipation hub comprises: a hub body 100 and a guide baffle 200 .

[0047] The hub body 100 is provided with a first through hole, which can be square, rectangular, circular or trapezoidal, etc. The first through hole is consistent with the hub opening form in the prior art. The shape of the first through hole is not limited in this application and can be processed and manufactured according to actual conditions. Since it is partially covered by the guide baffle, a second through hole is formed, so the first through hole is not marked in the drawings.

[0048] The guide baffle 200 includes: a first guide portion 210 and a second guide portion 220. The first guide portion 210 and the second guide portion 220 can be separate or integral structures. In the embodiment provided by the present invention, the first guide portion 210 and the second guide portion 220 are integral structures. The first guide portion 210 at least partially blocks the first through hole to guide the airflow and form a second through hole 400 for the airflow to pass through between the first guide portion 210 and the first through hole; the second guide portion 220 is provided between the first guide portion 210 and the surface of the hub body 100 of the first through hole, and is used to guide the airflow passing through the second through hole 400.

[0049] Specifically, the first through hole is shielded by the first air guide 210, and the airflow is guided to pass through the second through hole 400 between the first through hole and the first air guide 210, and the airflow near the second through hole 400 is guided by the second air guide 220. On the one hand, according to the embodiment of the present invention, the first through hole is shielded by the first air guide 210, and the second through hole 400 formed by the first air guide 210 and the first through hole is used for the airflow to pass through, thereby eliminating the vortex at the air outlet position of the original through hole; on the other hand, the dual guiding effect of the first air guide 210 and the second air guide 220 further avoids the generation of vortex and reduces noise.

[0050] like Figure 8 As shown, a simulation effect diagram of the heat dissipation of the heat dissipation hub in one embodiment of the present invention is provided. It can be seen that no eddy current is generated near the second through hole 400, and according to actual noise monitoring, the noise generation is also significantly reduced; Fig. 9 As shown, a simulation effect diagram of the heat dissipation of the heat dissipation hub in one embodiment of the present invention is provided. In this embodiment, guide baffles 200 of different lengths are used, but both are equipped with a first guide portion 210 and a second guide portion 220. It can be seen that no eddy current is generated near the second through hole 400. According to actual noise monitoring, the noise generation is also significantly reduced.

[0051] It is understandable that the first guide portion 210 and the second guide portion 220 in the embodiment of the present invention are two parts of the guide baffle 200. According to actual needs, the guide baffle 200 can be processed into an integral structure with the hub body 100 by an integrated molding process.

[0052] A heat dissipation hub provided by the present invention includes a hub body 100 and a guide baffle 200, the guide baffle 200 includes: a first guide portion 210 and a second guide portion 220; the first guide portion 210 at least partially blocks the first through hole to guide the airflow and form a second through hole 400 for the airflow to pass through between the first guide portion 210 and the first through hole; the second guide portion 220 is arranged between the first guide portion 210 and the surface of the hub body 100 where the first through hole is located, and is used to guide the airflow passing through the second through hole 400. A heat dissipation hub provided by the present invention blocks the first through hole by a first guide portion 210, and utilizes the second through hole 400 formed by the first guide portion 210 and the first through hole to allow air to pass through and its guiding effect on the air flow, thereby eliminating eddy currents at the air outlet position of the original through hole and improving the heat dissipation efficiency; on the other hand, through the dual guiding effects of the first guide portion 210 and the second guide portion 220, the generation of eddy currents at other positions of the through hole is further avoided, thereby improving the heat dissipation efficiency and reducing noise.

[0053] In one embodiment of the present invention, the first end of the first guide portion 210 is connected to the first end of the first through hole, and a second through hole 400 for airflow to pass through is formed between the second end of the first guide portion 210 and the second end of the second through hole 400; wherein 0.15H1≤H2≤0.85H1; wherein H1 represents the height of the first through hole, and H2 represents the height of the second guide portion 220. Specifically, Figure 3 and Figure 4 As shown, in this embodiment, the upper end of the first air guide 210 is connected to the upper end of the first through hole, and a second through hole 400 for airflow to pass through is formed between the lower end of the first air guide 210 and the lower end of the first through hole. Preferably, in an embodiment where the second air guide 220 and the first air guide 210 are an integral structure, the upper end of the first air guide 210 is connected to the upper end of the first through hole through the second air guide 220. In this embodiment, it is proved through simulation experiments that the first air guide 210 with the above-mentioned size can not only meet the needs of the air outlet, but also effectively reduce the generation of vortices near the through hole, increase the air intake, and reduce noise.

[0054] In one embodiment of the present invention, the second air guide 220 includes: a boss structure, one end of the boss structure is connected to the hub body 100 as an integral structure, and the boss structure is a structure protruding outward along the surface where the first through hole is located. In this embodiment, according to the manufacturing process, the boss structure and the hub body 100 can be integrally formed for easy processing; in order to ensure that the wall thickness of the boss structure meets the standard, a structure protruding outward is formed, and the inner wall of the boss structure has the function of guiding airflow.

[0055] In one embodiment of the present invention, the boss structure includes: a first protruding edge 221 and a second protruding edge 222. The first protruding edge 221 is arranged near the upwind area of ​​the first through hole, and the first protruding edge 221 forms a first angle b with the horizontal line; the second protruding edge 222 is arranged near the upwind area of ​​the first through hole, and the second protruding edge 222 forms a second angle c with the horizontal line. The angle of the first angle b is greater than the second angle c. In this embodiment, the boss structure is composed of the first protruding edge 221 and the second protruding edge 222, and the first protruding edge 221 and the second protruding edge 222 are structures protruding outward along the surface where the first through hole of the hub body 100 is located, and the first protruding edge 221 and the second protruding edge 222 are both arranged at an oblique angle with the horizontal line, and the angle of the first protruding edge 221 located at the upper part is greater than the second protruding edge 222 located at the lower part. Through simulation experiments, it is proved that the boss structure arranged as above can guide the airflow and gradually reduce the airflow velocity, thereby reducing the generation of vortices and reducing noise.

[0056] In one embodiment of the present invention, a plurality of boss structures are arranged along the circumference of the hub body 100, and a third through hole 230 for airflow to pass through is formed between the head and tail ends of two adjacent boss structures. In this embodiment, as shown in Figure 9, in addition to being able to be discharged from the second through hole 400, since in the above embodiment, the boss structure is arranged obliquely to the horizontal line, there is a height difference between the head and tail ends of the adjacent boss structures, and a third through hole 230 for airflow to pass through is formed between the two. The airflow is discharged from the third through hole 230 under the guidance of the inner wall of the boss structure. According to the simulation experiment results, the third through hole 230 can not only assist in air discharge and increase the air output, but also its air discharge direction is along the quasi-circumferential direction of the hub body 100, and no vortex will be generated.

[0057] In one embodiment of the present invention, the first air guide portion 210 includes: a third protruding edge 211 and a fourth protruding edge 212 arranged in sequence along the circumferential direction of the hub body 100, and the angle between the third protruding edge 211 and the fourth protruding edge 212 is an acute angle. In this embodiment, the side edges of the first air guide portion 210 arranged along the circumferential direction of the hub body 100, namely the third protruding edge 211 and the fourth protruding edge 212, form an acute angle therebetween, such as Figure 3 As shown, the angle a between the third protruding edge and the fourth protruding edge is an acute angle, and the first air guide portion 210 is a trapezoidal structure. According to its simulation structure, compared with the first air guide portion 210 of other shapes, the first air guide portion 210 of the trapezoidal structure has a higher air outlet efficiency.

[0058] According to the arrangement in the above embodiment, Figure 4As shown, the first protruding edge 221 is located at the upper end of the first through hole, and the second protruding edge 222 is arranged near the lower end of the first through hole and forms a gap with the first through hole, which is the second through hole 400 in the above embodiment, and the airflow can pass through the second through hole 400; the third protruding edge 211 is located on the left side of the first through hole, and the fourth protruding edge 212 is located on the right side of the first through hole, and the first through hole in the area is covered by the structure between the third protruding edge 211 and the fourth protruding edge 212, so that the airflow is discharged from the second through hole 400 and the third through hole 230 through the guidance of the first guide part 210 and the second guide part 220.

[0059] In one embodiment of the present invention, the first air guide portion 210 and the second air guide portion 220 are an integrated structure. In this embodiment, the first air guide portion 210 and the second air guide portion 220 are an integrated structure. Preferably, the second air guide portion 220, the first air guide portion 210 and the hub body 100 form an integrated structure, and a second through hole 400 is formed at the lower end of the first air guide portion 210 for airflow to pass through. The above can be processed by an integrated molding method for easy processing.

[0060] In one embodiment of the present invention, the hub body 100 further includes: a plurality of blades 300, which are sequentially arranged around the circumference of the hub body 100; a plurality of guide baffles 200, which are sequentially arranged around the circumference of the hub body 100. In this embodiment, a plurality of blades 300 and guide baffles 200 are provided to increase the air intake and heat dissipation effect. According to actual needs, the number of blades 300 / guide baffles 200 can be equal, and 3, 5, 7 or any other number can be provided accordingly.

[0061] In one embodiment of the present invention, a third angle d is formed between two adjacent fan blades 300; a fourth angle is formed between two adjacent guide baffles 200. Wherein, the angle of the fourth angle is less than or equal to the third angle. In this embodiment, the angle (i.e., the central angle) between two adjacent guide baffles 200 should not be greater than the angle (i.e., the central angle) between two adjacent fan blades 300. Through the above arrangement, it is ensured that the number of guide baffles 200 is set to meet the air volume requirements. Preferably, in this embodiment, the fourth angle between two adjacent guide baffles 200 is equal to the angle of the third angle d, so that each fan blade corresponds to at least one guide baffle and a second through hole. It can be understood that due to the different sizes of the motor, a heat dissipation hub of corresponding size may also be equipped. Therefore, in this embodiment, it is not limited to the number of fan blades and guide baffles. It can be considered that the guide baffles are set at a set distance interval to ensure that the angles of adjacent guide baffles match the angles of adjacent fan blades.

[0062] The present invention further provides an air conditioning system, in particular, an embedded air conditioning system, the embedded air conditioning system comprising: an indoor unit and an outdoor unit. The present invention provides an air conditioning system, which comprises: the heat dissipation hub in the above embodiment of the present invention.

[0063] It should be understood that the heat dissipation hub provided above in the present invention is not limited to the use in embedded air conditioning systems, but can also be installed in other air conditioning systems, such as duct units, cabinet units or wall units.

[0064] The present invention further provides an air conditioning system, which includes the heat dissipation hub in the embodiment of the present invention.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heat dissipation hub, characterized in that: include: A hub body, wherein the hub body is provided with a first through hole; A guide baffle, the guide baffle comprising: a first air guide portion, wherein the first air guide portion at least partially blocks the first through hole to guide airflow and form a second through hole between the first air guide portion and the first through hole for airflow to pass through; The second air guide portion is disposed between the first air guide portion and the surface of the hub body where the first through hole is located, and is used for guiding the airflow passing through the second through hole.

2. The heat dissipation hub according to claim 1, characterized in that: The first end of the first air guide portion is connected to the first end of the first through hole, and a second through hole for air flow to pass through is formed between the second end of the first air guide portion and the second end of the second through hole; Among them, 0.15H1≤H2≤0.85H1; wherein H1 represents the height of the first through hole, and H2 represents the height of the second guide portion.

3. The heat dissipation hub according to claim 1, characterized in that: The second air guide portion includes: a boss structure, one end of which is connected to the hub body as an integral structure, and the boss structure is a structure that protrudes outward along the surface where the first through hole is located.

4. The heat dissipation hub according to claim 3, characterized in that: The boss structure comprises: a first protruding edge, the first protruding edge being disposed close to an upwind area of ​​the first through hole, and the first protruding edge forming a first angle with a horizontal line; a second protruding edge, the second protruding edge being disposed close to the upwind area of ​​the first through hole, and the second protruding edge forming a second angle with the horizontal line; Wherein, the first angle is greater than the second angle.

5. The heat dissipation hub according to claim 4, characterized in that: The boss structures are multiple and arranged along the circumference of the hub body, and two adjacent boss structures form a third through hole for airflow to pass through between their head and tail ends.

6. The heat dissipation hub according to claim 1, characterized in that: The first air guide portion includes: a third protruding edge and a fourth protruding edge sequentially arranged along the circumferential direction of the hub body, and an angle between the third protruding edge and the fourth protruding edge is an acute angle.

7. The heat dissipation hub according to any one of claims 1 to 6, characterized in that: The first guide portion and the second guide portion are an integrated structure.

8. The heat dissipation hub according to any one of claims 1 to 6, characterized in that: The hub body further comprises: a plurality of blades, wherein the plurality of blades are sequentially arranged around the circumference of the hub body; A plurality of the guide baffles are provided, and the plurality of the guide baffles are arranged in sequence around the circumferential direction of the hub body.

9. The heat dissipation hub according to claim 8, characterized in that: A third angle is formed between two adjacent blades; A fourth angle is formed between two adjacent guide baffles; Wherein, the fourth angle is less than or equal to the third angle.

10. An air conditioning system, characterized in that: include: The heat dissipation hub according to any one of claims 1 to 9.

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