CN215490037U - Machine and air conditioning system in spiral case, new trend power component, air conditioning - Google Patents

Abstract

The utility model discloses a machine and air conditioning system in spiral case, new trend power component, air conditioning. The volute comprises a volute tongue, a first wall plate, a second wall plate, a first side wall and a second side wall, wherein the first wall plate and the second wall plate are oppositely arranged at two ends of the volute tongue at intervals; the volute tongue comprises a concave part which is concave towards the direction far away from the second side wall. This new trend power component, air conditioning indoor set and air conditioning system have used above-mentioned spiral case, noise when can reducing the new trend and supply with is favorable to improving user experience.

Description

Machine and air conditioning system in spiral case, new trend power component, air conditioning

Technical Field

The disclosure relates to the technical field of electronic equipment, in particular to a volute, a fresh air power assembly, an air conditioner indoor unit and an air conditioning system.

Background

At present, along with the improvement of production level, people have stronger and stronger requirements on healthy air in relatively closed spaces such as rooms. Therefore, people often use a fresh air system to replace indoor air so as to improve the indoor air quality.

But the noise is great when new trend power component operation of traditional air conditioning indoor set, is unfavorable for improving user experience.

Disclosure of Invention

The utility model provides a machine and air conditioning system in spiral case, new trend power component, air conditioning can reduce the noise when new trend supplies with, is favorable to improving user experience.

The technical scheme is as follows:

according to a first aspect of the embodiments of the present disclosure, there is provided a volute, including a volute tongue, a first wall plate, a second wall plate, a first side wall and a second side wall, where the first wall plate and the second wall plate are relatively disposed at two ends of the volute tongue at intervals, the first side wall is connected to the volute tongue, the second side wall is relatively disposed to the first side wall, and the second side wall, the volute tongue, the first wall plate, the second wall plate and the first side wall are surrounded to form an air outlet channel; the volute tongue comprises a concave part which is concave towards the direction far away from the second side wall.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

when the volute is applied to a fresh air power assembly, the centrifugal fan operates, so that fresh air flow is generated in the volute and is sent out to the outside of the volute through the air outlet channel. At the moment, when the airflow passes through the volute at the inlet of the air outlet channel, the arrangement of the concave part can reduce the turbulence at the inlet of the outlet channel, which is beneficial to discharging gas quickly, and further reduces the vortex noise generated during air outlet of the fresh air power assembly.

According to a second aspect of the embodiments of the present disclosure, a new wind power assembly is further provided, which includes a centrifugal fan and the volute described above, wherein the centrifugal fan is disposed in the volute.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

when the fresh air power assembly is used, the centrifugal fan operates, so that fresh air flow is generated in the volute and is sent out to the outside of the volute through the air outlet channel. At this moment, when the air current passes through the spiral case at the air-out passageway entrance, because of the setting of concave part, can reduce the turbulent flow of exit channel entrance, be favorable to quick exhaust, and then the vortex noise that produces when having reduced the air-out of new trend power component, and then can reduce the noise of the new trend operation of machine in the air conditioning, provide a good air circumstance and low noise environment for people's indoor life, improve user experience.

According to the third aspect of the embodiment of the present disclosure, an air-conditioning indoor unit is further provided, which includes a casing and the above fresh air power assembly, and the fresh air power assembly is disposed on the casing.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

when this machine starts new trend function in the air conditioning, centrifugal fan operates, and then produces new trend air current in the spiral case to send out new trend air current to the outside of spiral case through the air-out passageway, and then can carry new trend air (like outdoor air, or other oxygen content air better) to indoor, in order to improve the indoor air quality. At this moment, when the air current passes through the spiral case at air-out passageway entrance, because of the setting of concave part, can reduce the turbulent flow of exit channel entrance, be favorable to quick discharge gas, and then the vortex noise that produces when having reduced the air-out of new trend power component, the vortex noise that produces when being favorable to having reduced the air-out of new trend power component, and then can reduce the noise of the new trend operation of machine in the air conditioning, provide a good air circumstance and low noise environment for people's indoor life, improve user experience.

According to a fourth aspect of the embodiments of the present disclosure, there is also provided an air conditioning system, including an outdoor unit of an air conditioner and the indoor unit of an air conditioner as described above, where the outdoor unit of the air conditioner is matched with the indoor unit of the air conditioner, so that the indoor unit of the air conditioner can provide temperature-regulated gas.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

when this air conditioning system uses, when satisfying the demand that people's indoor new trend was taken a breath, and under the new trend mode, can improve the new trend intake. And then cooperate with air condensing units and can provide temperature regulating gas and fresh air gas for airtight spaces such as indoor, provide higher quality indoor air for the user to improve people's indoor quality of life.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

Brief description of the drawingsthe accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not intended to limit the disclosure.

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic structural view of an air conditioning indoor unit shown in an embodiment.

Fig. 2 is a schematic view of an internal structure of the air conditioning indoor unit shown in fig. 1.

Fig. 3 is an exploded view of the new aerodynamic assembly shown in fig. 2.

Fig. 4 is a schematic front view of an air outlet of the volute in an embodiment.

Fig. 5 is a schematic structural view of the first housing shown in fig. 3.

Fig. 6 is a schematic front view of the second housing shown in fig. 3.

Fig. 7 is a schematic front view of a second housing shown in another embodiment.

FIG. 8 is a schematic diagram of an air conditioning system in one embodiment.

Description of reference numerals:

10. an air-conditioning indoor unit; 11. a housing; 12. a fresh air power component; 100. a volute; 110. a volute tongue; 111. a recess; 112. a first inclined surface; 113. a second inclined surface; 120. a first wall panel; 130. a second wall panel; 140. a first side wall; 150. a second side wall; 160. an air outlet channel; 161. an air outlet; 170. a first housing; 171. a connecting portion; 101. A rotation center line of the connection portion; 172. a first air duct face; 173. a first flow guide surface; 180. a second housing; 181. a second air duct surface; 102. a second flow guide surface; 103. a third flow guide surface; 104. a horizontal direction; 105. a first side; 106. a second face; 107. a flow guiding rib; 108. a flow guide cone; 109. a flow guide gap; 182. a flow guiding ring body; 190. a mounting cavity; 191. An air inlet; 200. a centrifugal fan; 300. a filter assembly; 20. an air conditioner outdoor unit; 30. a wall body; 40. a control module.

Detailed Description

For the purpose of making the purpose, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be described in further detail below with reference to the accompanying drawings and detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the disclosure, are intended for purposes of illustration only and are not intended to limit the scope of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used herein in the description of the disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.

The air conditioning system is used as indoor temperature adjusting equipment, occupies an increasingly important position in the life of people, and brings healthy air for the life of people. The air conditioning systems are various in types and brands at present, so that consumers can select a large number of air conditioning systems, how to obtain the favor of the consumers is achieved, the product competitiveness is improved, and the problem that air conditioning system manufacturers attach more and more importance is solved.

Currently, an air conditioning system comprises an air conditioning indoor unit, and a fresh air power assembly is arranged in part of the air conditioning indoor unit so as to be convenient for exchanging with outdoor air and improving the indoor air quality. But the noise is great when the new trend power component operation of traditional air conditioning indoor set for indoor noise grow and influence people at indoor study, work, rest etc. is unfavorable for improving user experience.

Based on this, this disclosure provides a spiral case, be applied to in the new trend power component, can reduce the noise when new trend power component moves, and then be favorable to reducing the indoor noise, provide a good air circumstance and low noise environment for people's indoor life, improve user experience.

Therefore, a volute, a fresh air power assembly, an air conditioner indoor unit and an air conditioning system are needed.

For a better understanding of the volute of the present disclosure, an air conditioning indoor unit to which the volute of the present disclosure is applied will be illustrated and described below with reference to the accompanying drawings. Fig. 1 to 7 show structural views of an air conditioning indoor unit and a fresh air power assembly thereof in some embodiments. Fig. 1 is a schematic structural diagram of an air conditioning indoor unit shown in an embodiment. Fig. 2 is a schematic view of an internal structure of the air conditioning indoor unit shown in fig. 1. Fig. 3 is an exploded view of the new aerodynamic assembly shown in fig. 2. Fig. 4 is a schematic front view of an air outlet of the volute in an embodiment. Fig. 5 is a schematic structural view of the first housing shown in fig. 3. Fig. 6 is a schematic front view of the second housing shown in fig. 3. Fig. 7 is a schematic front view of a second housing shown in another embodiment.

In the embodiment of the present disclosure, as shown in fig. 1 and fig. 2, an air conditioner indoor unit 10 is provided, which includes a casing 11 and a fresh air power assembly 12, where the fresh air power assembly 12 is disposed on the casing 11, and the fresh air power assembly 12 includes a volute 100 and a centrifugal fan 200.

As shown in fig. 2 to 4, the scroll casing 100 includes a scroll tongue 110, a first wall plate 120, a second wall plate 130, a first side wall 140 and a second side wall 150, the first wall plate 120 and the second wall plate 130 are oppositely disposed at two ends of the scroll tongue 110 at intervals, the first side wall 140 is connected to the scroll tongue 110, the second side wall 150 is oppositely disposed to the first side wall 140, and the second side wall 150, the scroll tongue 110, the first wall plate 120, the second wall plate 130 and the first side wall 140 enclose to form an air outlet channel 160; the volute tongue 110 includes a concave portion 111, and the concave portion 111 is recessed toward a direction away from the second sidewall 150.

When the air-conditioning indoor unit 10 starts the fresh air function, the centrifugal fan 200 operates to generate a fresh air flow in the volute 100, and the fresh air flow is sent out to the outside of the volute 100 through the air outlet channel 160, so that fresh air (such as outdoor air or air with better oxygen content) can be conveyed to the indoor space, and the indoor air quality can be improved. At this moment, when the air current passes through spiral case 100 at air-out passageway 160 entrance, because of the setting of concave part 111, can reduce the turbulent flow of exit channel entrance, be favorable to quick exhaust, and then the vortex noise that produces when having reduced the air-out of new trend power component 12, the vortex noise that produces when being favorable to having reduced the air-out of new trend power component 12, and then can reduce the noise of the new trend operation of machine 10 in the air conditioning, provide a good air circumstance and low noise environment for people's indoor life, improve user experience.

Understandably, because the noise of the new trend power component 12 of this disclosure is little, under the condition of equal noise size, can improve centrifugal fan 200's wind speed, increase the new trend intake to satisfy people to the new trend demand, further promote user experience.

Note that the centrifugal fan 200 includes an air intake device capable of generating suction force, such as an axial flow fan.

It should be noted that the "first wall plate 120" may be "a part of the scroll casing 100", that is, the "first wall plate 120" is integrally formed with "other parts of the scroll casing 100, such as the second wall plate 130"; the "first wall 120" may be manufactured separately from the "other portion of the volute 100, such as the second wall 130", and may be integrated with the "other portion of the volute 100, such as the second wall 130".

Equivalently, a "certain side plate" and a "certain side wall" can be a part of a corresponding "component", that is, a "certain body" and a "certain part" are integrally manufactured with other parts of the "component"; the "part" can be made separately from the "other part" and then combined with the "other part" into a whole. The expression "a certain body" or "a certain portion" in the present disclosure is only one example, and is not intended to limit the scope of the present disclosure, so long as the above features are included and the same function is understood to be equivalent to the present disclosure.

As shown in fig. 2 and fig. 3, in some embodiments, the fresh air power assembly 12 further includes a filter assembly 300, and the filter assembly 300 is disposed at an air inlet end or an air outlet end of the centrifugal fan 200. Therefore, the filter assembly 300 can be used for filtering impurities such as dust carried in outdoor air, and providing clean fresh air for the indoor environment.

Particular embodiments of the filter assembly 300 include, but are not limited to, at least one of filter cotton, filter mesh, and the like.

As shown in fig. 3 and 4, in some embodiments, the volute 100 further includes a mounting cavity 190 for accommodating the centrifugal fan 200, the mounting cavity 190 is provided with an air inlet 191, and a filter assembly 300 is disposed between the air inlet 191 and the centrifugal fan 200. So, can set up centrifugal fan 200 in spiral case 100 through installation cavity 190 to utilize filter assembly 300 can filter the new trend that gets into in spiral case 100, can provide cleaner new trend air for the user.

In addition, the "filter assembly 300" may be one of the parts of the "new wind power assembly 12", that is, the filter assembly is assembled with other components of the "new wind power assembly 12", such as the volute 100 ", into a module, and then is assembled in a modular manner; or can be relatively independent from other components of the new wind power component 12, such as the volute 100, and can be respectively installed, namely, the new wind power component 12 and other components of the new wind power component 12 can form a whole in the device.

Equivalently, the components included in the disclosure, the "assembly," "module," and "device" can also be flexibly combined, i.e., can be produced in a modularized manner according to the actual situation, and can be assembled in a modularized manner as an independent module; the modules may be assembled separately, and one module may be constructed in the present apparatus. The division of the above-mentioned components in the present disclosure is only one embodiment, which is convenient for reading and not limiting the scope of protection of the present disclosure, and the technical solutions equivalent to the present disclosure should be understood as if they are included and the functions are the same.

The specific shape of the "concave portion 111" may be various, such as an arc-shaped concave portion 111, a polygonal concave portion 111, and the like.

As shown in fig. 4, in some embodiments, the volute tongue 110 further includes a first inclined surface 112 and a second inclined surface 113, and the first inclined surface 112 and the second inclined surface 113 cooperate to form the recess 111. In this way, the first inclined surface 112 and the second inclined surface 113 cooperate to form the concave portion 111, which facilitates manufacturing. If the first inclined surface 112 is provided on one housing and the second inclined surface 113 is provided on the other housing, the first inclined surface 112 and the second inclined surface 113 can be joined to form the recess 111.

On the basis of the above embodiments, as shown in fig. 4, in an embodiment, the air outlet channel 160 is provided with an air outlet 161, and the volute 100 is provided with a connecting portion 171 for connecting the centrifugal fan 200; on the orthographic projection surface of the air outlet 161, an included angle between the first inclined surface 112 and the rotation center line 101 of the connecting part is a1, and an included angle between the second inclined surface 113 and the rotation center line 101 of the connecting part is a 2; wherein a1 is more than or equal to 5 degrees and less than or equal to 20 degrees, and a2 is more than or equal to 5 degrees and less than or equal to 20 degrees. In this way, the inclination angle of the first inclined plane 112 and the inclination angle of the second inclined plane 113 can be flexibly set according to the fresh air supply size of the air-conditioning indoor unit 10 and the air outlet volume, so as to meet the noise reduction and silencing requirements.

Alternatively, a1 ═ a 2. For example, a1 is 5 °, 6 °, 7 °, 8 °, 9 °, 10 °, 11 °, 12 °, 13 °, 14 °, 15 °, 16 °, 17 °, 18 °, 19 °, 20 ° or a 2.

As introduced in any embodiment of the present disclosure, in combination with the embodiment disclosed in fig. 3 and fig. 5 to fig. 7, the volute 100 further includes a first casing 170 and a second casing 180, the first casing 170 includes a part of the volute tongue 110, a part of the first wall plate 120, a part of the second wall plate 130, a part of the first sidewall 140, and a part of the second sidewall 150, and the second casing 180 includes the remaining volute tongue 110, the remaining first wall plate 120, the remaining second wall plate 130, the remaining first sidewall 140, and the remaining second sidewall 150, so that the first casing 170 and the second casing 180 cooperate to form the outlet air channel 160; the first housing 170 is matched with the second housing 180 to form a mounting cavity 190 for mounting the centrifugal fan 200, the mounting cavity 190 is communicated with the air outlet channel 160, the first housing 170 is provided with a connecting portion 171 for connecting the centrifugal fan 200, and the second housing 180 is provided with an air inlet 191 communicated with the mounting cavity 190. Therefore, the volute 100 is obtained by matching the first shell 170 and the second shell 180, and the installation cavity 190 and the air outlet channel 160 are formed at the same time, so that the assembly process can be reduced, the manufacturing cost of the volute 100 can be reduced, and the manufacturing precision of the volute 100 can be ensured.

On the basis of the above embodiments, in the embodiment disclosed in fig. 5, the mounting cavity 190 includes a first air channel surface 172 disposed on the first casing 170, the first air channel surface 172 is disposed around the connecting portion 171, and first flow guide surfaces 173 are disposed between the first air channel surface 172 and the volute tongue 110 and between the first air channel surface 172 and the first side wall 140. Thus, the first air guiding surface 173 is formed on the first air duct surface 172 of the first casing 170, so that the air flow in the mounting cavity 190 can be guided to the air outlet channel 160, which is beneficial to reducing turbulence, and further can reduce wind noise and reduce fresh air noise.

Further, the volute tongue 110 and the first sidewall 140 are disposed above the first wind channel surface 172, and the first diversion surface 173 is disposed between the first wind channel surface 172 and the volute tongue 110 and the first sidewall 140 in an inclined manner, with respect to an orthographic projection of the first wind channel surface 172. Thus, the first diversion surface 173 is obliquely arranged between the first air duct surface 172, the volute tongue 110 and the first side wall 140, so that the air flow in the installation cavity 190 can be better guided to the air outlet channel 160, thereby being beneficial to further reducing turbulence, further reducing wind noise and reducing fresh air noise.

Optionally, the first flow guiding surface 173 has an inclined length L1; wherein L1 is more than or equal to 2mm and less than or equal to 8 mm. Thus, the inclined length of the first diversion surface 173 can be flexibly adjusted according to the fresh air supply size of the air-conditioning indoor unit 10 under the condition of meeting the operation stability of the air-conditioning indoor unit 10, so as to meet the noise reduction and silencing requirements.

L1 is one of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, and 8 mm.

As described in any embodiment of the first housing 170 of the present disclosure, in combination with the embodiment disclosed in fig. 6 and 7, the mounting cavity 190 includes a second air passage surface 181 disposed on the second housing 180, the second air passage surface 181 is provided with a baffle body 182 disposed around an outer edge of the air inlet 191; the second air duct surface 181 includes a second guiding surface 102 and a third guiding surface 103, and the second guiding surface 102 and the third guiding surface 103 are disposed on two sides of the air outlet channel 160 along the circumferential direction of the guiding ring body 182. Therefore, the second air channel surface 181 of the second casing 180 can better guide fresh air into the mounting cavity 190 by using the baffle body 182, and generate regular air flow along with the rotation of the centrifugal fan 200, thereby further reducing turbulence and wind noise. Meanwhile, the second flow guide surface 102 and the third flow guide surface 103 are formed on the second air duct surface 181, so that the air flow in the installation cavity 190 can be guided to the air outlet channel 160, thereby being beneficial to reducing turbulence, further reducing wind noise and reducing fresh air noise.

As described in the above embodiments, in combination with the embodiments disclosed in fig. 6 and fig. 7, the second air duct surface 181 further includes the first surface 105 and the second surface 106 abutting against the air outlet channel 160, and with respect to the orthographic projection surface of the baffle body 182, the first surface 105 is disposed above the second surface 106 and is provided with a part of the air outlet channel 160; the second guiding surface 102 is obliquely disposed at one end of the first surface 105 and one end of the second surface 106, and the third guiding surface 103 is obliquely disposed at the other end of the first surface 105 and the other end of the second surface 106. So, can be better with the air current direction air-out passageway 160 in the installation cavity 190, be favorable to further reducing the turbulent flow, and then can reduce wind and make an uproar, reduce new trend noise.

Optionally, the second flow guiding surface 102 has an inclined length of L2, and the third flow guiding surface 103 has an inclined length of L3; wherein L2 is more than or equal to 2mm and less than or equal to 8mm, and L3 is more than or equal to 2mm and less than or equal to 8 mm. Therefore, under the condition of meeting the operation stability of the air-conditioning indoor unit 10, the inclination length of the second flow guide surface 102 and/or the second flow guide surface 102 can be flexibly adjusted according to the fresh air supply size of the air-conditioning indoor unit 10, so as to meet the requirements of noise reduction and silencing.

Optionally, L2-L3-one of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8 mm.

Specifically, in the present embodiment, on the orthographic projection surface of the baffle ring body 182, the maximum included angle b between the second baffle surface 102 and the third baffle surface 103 is greater than or equal to 90 ° and less than or equal to 170 °, and the included angle c between the second baffle surface 102 and the horizontal direction 104 is greater than or equal to 30 ° and less than or equal to 90 °. Therefore, by reasonably designing the included angle between the second flow guiding surface 102 and the horizontal direction 104 and the included angle between the second flow guiding surface 102 and the third flow guiding surface 103, a better noise reduction effect is obtained.

Optionally, b is equal to one of 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, 125 °, 130 °, 135 °, 140 °, 145 °, 150 °, 155 °, 160 °, 165 °, 170 °.

Optionally, c is equal to one of 30 °, 35 °, 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °.

In the embodiment disclosed in fig. 6 and 7, the first surface 105 is provided with the flow guiding ribs 107, and the flow guiding ribs 107 are spaced from the side wall of the mounting cavity to guide the air to the air outlet channel 160. So, utilize the water conservancy diversion effect of water conservancy diversion muscle 107 can be with the air current direction air-out passageway 160 in the installation cavity 190, further reduce the turbulent flow, and then can reduce wind and make an uproar, reduce new trend noise.

On the basis of the above embodiments, as shown in fig. 6, in some embodiments, the angle d between the flow guiding ribs 107 and the horizontal direction 104 is between 40 ° and 130 °. Thus, under the condition of meeting the operation stability of the air-conditioning indoor unit 10, the position of the diversion rib 107 can be flexibly adjusted according to the fresh air supply size of the air-conditioning indoor unit 10 so as to meet the noise reduction and silencing requirement.

Optionally, d is equal to one of 40 °, 45 °, 50 °, 55 °, 60 °, 65 °, 70 °, 75 °, 80 °, 85 °, 90 °, 95 °, 100 °, 105 °, 110 °, 115 °, 120 °, 125 °, 130 °.

Further, in some embodiments, the length of the flow guiding rib 107 is L4, the thickness of the flow guiding rib 107 is T, and the height of the flow guiding rib 107 is H; wherein L4 is more than or equal to 20mm and less than or equal to 60mm, T is more than or equal to 2mm and less than or equal to 20mm, and H is more than or equal to 2mm and less than or equal to 10 mm. Therefore, the diversion effect is optimized by reasonably distributing the lengths, the heights, the thicknesses and other dimensions of the diversion ribs 107 so as to reduce the occurrence of the turbulence phenomenon at the volute tongue 110, which is beneficial to quickly discharging gas, and further reduces the backflow of the airflow at the volute tongue 110 and the rotation noise.

Optionally, L4 is one of 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60 mm.

Optionally, T is one of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20 mm.

Optionally, H ═ one of 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8 mm.

Furthermore, as shown in fig. 7, in some embodiments, the flow guiding rib 107 has a start end, a connection line between the start end and the center of the flow guiding ring is R, and an included angle between R and the horizontal direction 104 is e; wherein R is more than or equal to 60mm and less than or equal to 80mm, and e is more than or equal to 10 degrees and less than or equal to 40 degrees. So, through size such as inclination and length, height and the thickness of rationally overall arrangement water conservancy diversion muscle 107's initiating terminal, water conservancy diversion muscle 107, further optimize the water conservancy diversion effect to reduce the turbulent phenomenon's of snail tongue 110 department emergence, be favorable to quick exhaust, and then reduce the backward flow of snail tongue 110 department air current and reduce the rotational noise.

Optionally, e is equal to one of 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °.

Optionally, R is one of 60mm, 65mm, 70mm, 75mm, 80 mm.

As shown in fig. 7, in some embodiments, at least one of the two ends of the flow guiding rib 107 is provided with a flow guiding cone 108, and the flow guiding cone 108 is spaced apart from the sidewall of the second housing 180 to form a flow guiding gap 109. Therefore, the diversion cone 108 can reduce the turbulence at the diversion rib 107, so that the air flow can rapidly flow to the air outlet channel 160 through the diversion gap 109, further reduce the turbulence at the volute tongue 110, achieve the noise reduction effect, and simultaneously promote the air volume of the fresh air power component 12, thereby promoting the use effect of the fresh air of the air-conditioning indoor unit 10.

In other embodiments of the present disclosure, as shown in fig. 8, an air conditioning system is further provided, which includes an outdoor unit 20 and the indoor unit 10.

When the air conditioning system is used, when the requirement of indoor fresh air ventilation of people is met, under the fresh air mode, the noise is low when the fresh air power assembly 12 operates. Further, the indoor unit 10 and the outdoor unit 20 cooperate with each other to supply temperature-adjusting gas and fresh air to an enclosed space such as a room, thereby providing a higher quality of indoor air to a user. Therefore, the air conditioning system can provide cooling airflow or heating airflow for a user and can also provide outdoor air so as to improve the oxygen content of the indoor air. And then can provide a good air circumstance and low noise environment for people's indoor life, can improve user experience, more can obtain consumer favor, have better product competitiveness

In some embodiments, the air conditioning system further includes a control module 40 on the air conditioning indoor unit 10, and the control module 40 is communicatively connected to the air conditioning indoor unit 10 and the air conditioning outdoor unit 20. In this manner, control and interaction with a user is facilitated by the control module 40.

The control module includes a main control chip, which at least includes a Processor, and the Processor may be a Micro-controller Unit (MCU), a Central Processing Unit (CPU), or a Digital Signal Processor (DSP).

The control module generally controls the overall operation of the air conditioning system, such as opening and closing control, heating control, cooling control, dehumidification control, fresh air start or shut-off, air volume regulation control, and the like. The control module may include one or more processors to execute instructions to perform all or a portion of the steps of the methods described above. In addition, the control module can include one or more modules that facilitate interaction between the control module and other components. For example, the control circuit board also includes a communication unit for communicating with other modules, such as the new wind power assembly of the present disclosure.

In one embodiment, the control module further comprises a memory configured to store various types of data to support operation in the air conditioning system. Examples of such data include instructions for any application or method operating on the air conditioning system, air volume size data, heating data, cooling data, fresh air intake data, and the like. The memory may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, and the like.

The specific implementation manner of the 'the air conditioner outdoor unit is matched with the air conditioner indoor unit so that the air conditioner indoor unit can provide temperature-adjusting gas' can be various and can be implemented in the traditional technology, and the limitation is not needed.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show several embodiments of the present disclosure, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure.

Claims (20)

1. A spiral casing, comprising: the volute tongue comprises a volute tongue, a first wall plate, a second wall plate, a first side wall and a second side wall, wherein the first wall plate and the second wall plate are oppositely arranged at two ends of the volute tongue at intervals, the first side wall is connected with the volute tongue, the second side wall is oppositely arranged with the first side wall, and an air outlet channel is formed by the second side wall, the volute tongue, the first wall plate, the second wall plate and the first side wall in a surrounding manner;

the volute tongue comprises a concave part which is concave towards the direction far away from the second side wall.

2. The volute of claim 1, wherein the tongue further comprises a first inclined surface and a second inclined surface, the first inclined surface and the second inclined surface cooperating to form the recess.

3. The spiral casing of claim 2, wherein the air outlet channel is provided with an air outlet, and the spiral casing is provided with a connecting part for connecting a centrifugal fan; on the orthographic projection surface of the air outlet, an included angle between the first inclined surface and the rotation center line of the connecting part is a1, and an included angle between the second inclined surface and the rotation center line of the connecting part is a 2; wherein a1 is more than or equal to 5 degrees and less than or equal to 20 degrees, and a2 is more than or equal to 5 degrees and less than or equal to 20 degrees.

4. The spiral casing of claim 3 wherein a1 ═ a 2.

5. The spiral casing of any of claims 1 to 4 further comprising a first casing and a second casing, the first casing comprising a portion of the volute tongue, a portion of the first wall plate, a portion of the second wall plate, a portion of the first sidewall, and a portion of the second sidewall, the second casing comprising the remaining volute tongue, the remaining first wall plate, the remaining second wall plate, the remaining first sidewall, and the remaining second sidewall, such that the first casing and the second casing cooperate to form the outlet air channel; the first shell and the second shell are matched with each other and further provided with an installation cavity used for installing a centrifugal fan, the installation cavity is communicated with the air outlet channel, the first shell is provided with a connecting portion used for being connected with the centrifugal fan, and the second shell is provided with an air inlet communicated with the installation cavity.

6. The volute of claim 5, wherein the mounting cavity comprises a first air channel surface disposed on the first housing, the first air channel surface being disposed around the connection portion, the first air channel surface having a first flow guiding surface disposed between the first air channel surface and the volute tongue and the first sidewall, respectively.

7. The volute of claim 6, wherein the volute tongue and the first sidewall are disposed above the first airway surface relative to an orthographic projection of the first airway surface, and the first deflector surface is disposed obliquely between the first airway surface and the volute tongue and the first sidewall.

8. The spiral casing of claim 7 wherein the first deflector surface has an inclined length of L1; wherein L1 is more than or equal to 2mm and less than or equal to 8 mm.

9. The volute of claim 5, wherein the mounting cavity comprises a second air duct surface disposed on the second housing, the second air duct surface having a deflector ring body disposed around an outer edge of the air inlet; the second air duct surface comprises a second flow guide surface and a third flow guide surface, and the second flow guide surface and the third flow guide surface are arranged on two sides of the air outlet channel along the circumferential distance of the guide ring body.

10. The volute of claim 9, wherein the second duct surface further comprises a first surface and a second surface abutting the outlet air channel, the first surface being disposed above the second surface and defining a portion of the outlet air channel with respect to an orthographic projection of the iris body; the second flow guide surface is obliquely arranged at one end of the first surface and one end of the second surface, and the third flow guide surface is obliquely arranged at the other end of the first surface and the other end of the second surface.

11. The spiral casing of claim 10 wherein the second deflector surface has an inclined length of L2 and the third deflector surface has an inclined length of L3; wherein L2 is more than or equal to 2mm and less than or equal to 8mm, and L3 is more than or equal to 2mm and less than or equal to 8 mm.

12. The spiral casing of claim 10 wherein the maximum included angle between the second guiding surface and the third guiding surface on the orthographic projection of the deflector ring body is 90 ° or more and 170 ° or less, and the included angle between the second guiding surface and the horizontal direction is c, 30 ° or more and c or less and 90 ° or less.

13. The volute of claim 10, wherein the first surface has a flow guiding rib spaced from a sidewall of the mounting cavity for guiding the gas to the outlet channel.

14. The spiral casing of claim 13 wherein the flow guiding ribs are angled from horizontal by an angle d of 40 ° to 130 °.

15. The spiral casing of claim 13 wherein the flow guiding ribs have a length of L4, a thickness of T, and a height of H; wherein L4 is more than or equal to 20mm and less than or equal to 60mm, T is more than or equal to 2mm and less than or equal to 20mm, and H is more than or equal to 2mm and less than or equal to 10 mm.

16. The spiral casing of claim 13 wherein the flow guiding rib is provided with a starting end, a connecting line between the starting end and the center of the flow guiding ring is R, and an included angle between R and the horizontal direction is e; wherein R is more than or equal to 60mm and less than or equal to 80mm, and e is more than or equal to 10 degrees and less than or equal to 40 degrees.

17. The spiral casing of claim 13 wherein at least one of the ends of the flow guiding ribs has a flow guiding cone, and the flow guiding cone is spaced apart from the sidewall of the second casing to form a flow guiding gap.

18. A fresh air power assembly comprising a centrifugal fan and a volute of any of claims 1 to 17, the centrifugal fan being disposed within the volute.

19. An indoor unit of an air conditioner, comprising a casing and the fresh air power assembly of claim 18, wherein the fresh air power assembly is disposed on the casing.

20. An air conditioning system comprising an outdoor unit and the indoor unit of claim 19, wherein the outdoor unit cooperates with the indoor unit to provide conditioned air thereto.

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