CN109882434B - Fan structure, fresh air device and air conditioner indoor unit - Google Patents

Fan structure, fresh air device and air conditioner indoor unit Download PDF

Info

Publication number
CN109882434B
CN109882434B CN201910258722.XA CN201910258722A CN109882434B CN 109882434 B CN109882434 B CN 109882434B CN 201910258722 A CN201910258722 A CN 201910258722A CN 109882434 B CN109882434 B CN 109882434B
Authority
CN
China
Prior art keywords
volute
air
air outlet
assembly
fresh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910258722.XA
Other languages
Chinese (zh)
Other versions
CN109882434A (en
Inventor
游俊雄
廖俊杰
安智
王现林
杨春生
莫建樷
李瑞敏
范哲柳
林兆庆
刘文榜
陈鹏宇
贺昌业
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910258722.XA priority Critical patent/CN109882434B/en
Publication of CN109882434A publication Critical patent/CN109882434A/en
Application granted granted Critical
Publication of CN109882434B publication Critical patent/CN109882434B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides a fan structure, a fresh air device and an air conditioner indoor unit, wherein the fan structure comprises: the volute assembly is provided with a first air inlet and a first air outlet; the fan blade is arranged in the volute component and is used for sucking gas into the volute component from the first air inlet and discharging the gas through the first air outlet; the housing of the volute assembly is provided with a plurality of air outlet holes, so that part of air in the volute assembly flows out through the air outlet holes. The fan structure solves the problems of overlarge noise and smaller air output of the fan structure in the prior art.

Description

Fan structure, fresh air device and air conditioner indoor unit
Technical Field
The invention relates to the field of household appliances, in particular to a fan structure, a fresh air device and an air conditioner indoor unit.
Background
The existing air conditioner exchanges heat in a closed space, indoor air quality is easily reduced due to continuous circulation of indoor air, user experience is poor, and more air conditioners are additionally provided with fresh air exchanging devices.
However, due to the limitation of the structural space and the limitation of the running pipe, the increased fresh air device on the indoor unit of the air conditioner often has the problems of overlarge noise and smaller fresh air quantity, and the user experience effect is generally poor.
In addition, the pressure relief opening of the pressure relief volute tongue for reducing noise in the prior art is a closed space, and air quantity loss can be caused.
Disclosure of Invention
The invention mainly aims to provide a fan structure, a fresh air device and an air conditioner indoor unit, so as to solve the problems that the fan structure in the prior art is overlarge in noise and small in air output.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a fan structure comprising: the volute assembly is provided with a first air inlet and a first air outlet; the fan blade is arranged in the volute component and is used for sucking gas into the volute component from the first air inlet and discharging the gas through the first air outlet; the housing of the volute assembly is provided with a plurality of air outlet holes, so that part of air in the volute assembly flows out through the air outlet holes.
Further, the volute assembly comprises a volute and a volute cover, the volute cover is arranged on the volute, the volute comprises a volute backboard and a volute side plate, and the volute cover and the volute backboard are oppositely arranged on two sides of the volute side plate; the spiral case curb plate includes volute tongue, first board section and second board section, and the one end of first board section is provided with the volute tongue, and the other end of first board section is connected with the second board section, and a plurality of apopores set up on first board section.
Further, the volute assembly further comprises: the air guide part is arranged on the first plate section and positioned at the outer side of the volute, the volute tongue, the volute cover and the air guide part enclose a second air outlet channel, and a second air outlet is formed at one end of the second air outlet channel far away from the first plate section, so that air in the volute assembly flows out from the second air outlet after passing through a plurality of air outlet holes and the second air outlet channel.
Further, the volute assembly is provided with a first air outlet channel, and a first air outlet channel is formed between at least part of the second plate section and the volute tongue, and the first air outlet channel is provided with a first air outlet, so that air of the volute assembly is discharged from the first air outlet through the first air outlet channel.
Further, the air guide part comprises a first air guide plate and a second air guide plate connected with the first air guide plate, the first air guide plate and the second air guide plate are connected with the first plate section, one end, away from the second air guide plate, of the first air guide plate is connected with the volute tongue, and one end, away from the first air guide plate, of the second air guide plate is connected with the volute cover.
Further, the plurality of air outlet holes are divided into a plurality of groups of air outlet hole groups, each group of air outlet hole groups comprises a plurality of air outlet holes, the plurality of air outlet holes of each group of air outlet hole groups are arranged in rows, and the plurality of air outlet hole groups are arranged at intervals along the axial direction of the fan blade.
Further, the volute side plate is an arc plate, and air outlet holes of two adjacent air outlet hole groups are staggered along the circumferential direction of the volute side plate.
Further, the diameter of the air outlet hole is 2mm to 7mm.
According to a second aspect of the present invention, there is provided a fresh air device, comprising a fan structure, the fan structure being the fan structure described above, the fan structure comprising a volute assembly, the volute assembly being provided with a fresh air inlet, the volute assembly having a first air outlet and a second air outlet, such that fresh air entering the fresh air device from the fresh air inlet flows out through the first air outlet and the second air outlet.
Further, the fresh air device still includes: the sealing cover is arranged on the volute component, an air inlet cavity is formed between the sealing cover and the volute component, and a first air inlet of the volute component is communicated with the air inlet cavity, so that fresh air enters the volute component through the first air inlet after entering the air inlet cavity through the fresh air inlet, and the fresh air in the volute component is discharged through the first air outlet and the second air outlet.
Further, the volute assembly comprises a volute and a volute cover, the volute cover is arranged on the volute, and the sealing cover is arranged on one side of the volute cover away from the volute and is connected with the volute cover to form an air inlet cavity; wherein, the fresh air inlet is arranged on the volute cover.
Further, the fresh air device still includes: the filter screen assembly is arranged in the air inlet cavity.
According to a third aspect of the present invention, there is provided an indoor unit of an air conditioner, including a housing and a fresh air device, the fresh air device being the fresh air device described above, the fresh air device being for providing fresh air to a room, the fresh air device being disposed in the housing and located at an end of the housing; the upper end of casing is provided with the new trend air outlet, and new trend device has first air outlet and second air outlet, and new trend air outlet all communicates with first air outlet and second air outlet to make the new trend that flows by first air outlet and second air outlet get into indoor through the new trend air outlet.
According to the fan structure, air is sucked into the volute component through the fan blade and is discharged through the first air outlet, the shell of the volute component is provided with the plurality of air outlet holes, part of air in the volute component can flow out through the plurality of air outlet holes, the pressure relief effect can be achieved through the arrangement of the plurality of air outlet holes, the air flow rotating noise can be effectively reduced, the air outlet of the volute component comprises the air outlet of the first air outlet and the air outlet of the plurality of air outlet holes, and the air outlet of the fan structure can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
fig. 1 shows a schematic structural view of a volute and a fan blade of a fan structure according to the invention;
FIG. 2 shows a front view of the volute and fan blades of FIG. 1;
FIG. 3 shows a schematic structural view of a fresh air device according to the present invention;
FIG. 4 shows a structural exploded view of the fresh air device according to the present invention;
fig. 5 illustrates a front view of an indoor unit of an air conditioner according to the present invention;
fig. 6 illustrates a rear view of an indoor unit of an air conditioner according to the present invention;
fig. 7 illustrates a top view of an indoor unit of an air conditioner according to the present invention;
fig. 8 shows a cross-sectional view of the air conditioner indoor unit A-A of fig. 5.
Wherein the above figures include the following reference numerals:
10. a volute assembly; 11. a first air inlet; 12. a first air outlet; 13. a volute; 131. a volute side plate; 132. an air outlet hole; 133. a first plate segment; 134. a second plate segment; 135. a volute tongue; 136. a volute backplate; 14. an air guide part; 141. a first air deflector; 142. a second air deflector; 15. a volute cover; 16. the first air outlet channel; 17. the second air outlet channel; 18. a second air outlet; 20. a fan blade; 30. a fan structure; 40. a fresh air inlet; 50. fresh air outlet; 60. sealing cover; 70. a filter screen assembly; 80. a housing; 90. a fresh air device; 100. a new air pipe; 110. l-shaped pipe joint.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
The present invention provides a fan structure, please refer to fig. 1 to 4, comprising: the volute assembly 10, the volute assembly 10 has a first air inlet 11 and a first air outlet 12; the fan blade 20 is arranged in the volute component 10, and the fan blade 20 is used for sucking gas into the volute component 10 through the first air inlet 11 and discharging the gas through the first air outlet 12; the housing of the volute assembly 10 is provided with a plurality of air outlet holes 132, so that part of the air in the volute assembly 10 flows out through the plurality of air outlet holes 132.
According to the fan structure, air is sucked into the volute assembly 10 from the first air inlet 11 through the fan blades 20 and is discharged through the first air outlet 12, a plurality of air outlet holes 132 are formed in the shell of the volute assembly 10, part of air in the volute assembly 10 can flow out through the air outlet holes 132, the air outlet holes 132 are arranged to realize pressure relief, airflow rotation noise can be effectively reduced, the air outlet of the volute assembly 10 comprises the air outlet of the first air outlet 12 and the air outlet of the air outlet holes 132, and the air outlet of the fan structure can be improved.
The fan structure can be used in a fresh air device or an air duct component of an air conditioner indoor unit.
In the first embodiment, the volute assembly 10 includes a volute 13 and a volute cover 15, the volute cover 15 is disposed on the volute 13, and a plurality of air outlets 132 are disposed on the volute 13. Preferably, a plurality of air outlet holes 132 are provided on the volute side plate 131 of the volute 13.
In the second embodiment, the volute assembly 10 includes a volute 13 and a volute cover 15, the volute cover 15 is disposed on the volute 13, and a plurality of air outlets 132 are disposed on the volute cover 15.
In the third embodiment, a plurality of air outlet holes 132 are provided in the scroll cover 15 and the scroll 13.
In the present embodiment, the volute assembly 10 includes a volute 13 and a volute cover 15, the volute cover 15 is arranged on the volute 13, the volute 13 includes a volute back plate 136 and a volute side plate 131, and the volute cover 15 and the volute back plate 136 are oppositely arranged at two sides of the volute side plate 131; the volute side plate 131 comprises a volute tongue 135, a first plate section 133 and a second plate section 134, wherein the volute tongue 135 is arranged at one end of the first plate section 133, the other end of the first plate section 133 is connected with the second plate section 134, and a plurality of air outlet holes 132 are formed in the first plate section 133. Such an arrangement facilitates the provision of the second air outlet 18.
In particular, a plurality of air outlets 132 are disposed adjacent to the volute tongue 135.
In this embodiment, the volute assembly 10 further includes a volute cover 15, where the volute cover 15 is disposed on the volute 13, and the volute cover 15 and the volute back plate 136 are disposed on two opposite sides of the volute side plate 131; the volute assembly 10 further includes: the air guide part 14 is arranged on the first plate section 133 and is positioned at the outer side of the volute casing 13, the volute tongue 135, the volute casing cover 15 and the air guide part 14 enclose a second air outlet channel 17, and a second air outlet 18 is formed at one end of the second air outlet channel 17 far away from the first plate section 133, so that air in the volute casing assembly 10 flows out from the second air outlet 18 after passing through the plurality of air outlet holes 132 and the second air outlet channel 17. By the arrangement, the gas flowing out of the air outlet holes 132 can be effectively guided, the gas is intensively discharged from the second air outlet 18, and the gas discharging direction is ensured.
In particular, the second air outlet 18 is disposed adjacent to the first air outlet 12, and the second air outlet 18 is disposed at a distance from the first air outlet 12 by a volute tongue 135.
Preferably, the air outlet direction of the second air outlet 18 is the same as the air outlet direction of the first air outlet 12.
In this embodiment, the volute assembly 10 further includes a volute cover 15, where the volute cover 15 is disposed on the volute 13, and the volute cover 15 and the volute back plate 136 are disposed on two opposite sides of the volute side plate 131; the volute assembly 10 has a first air outlet channel 16, the first air outlet channel 16 having a first air outlet 12 formed between at least a portion of the second plate segment 134 and the volute tongue 135 such that air from the volute assembly 10 is exhausted from the first air outlet 12 through the first air outlet channel 16.
Wherein the first air outlet passage 16 is a conventional air outlet passage of the volute assembly 10.
In specific implementation, the air guiding portion 14 includes a first air guiding plate 141 and a second air guiding plate 142 connected to the first air guiding plate 141, the first air guiding plate 141 and the second air guiding plate 142 are both connected to the first plate segment 133, one end of the first air guiding plate 141 away from the second air guiding plate 142 is connected to the volute tongue 135, and one end of the second air guiding plate 142 away from the first air guiding plate 141 is connected to the volute cover 15.
In particular, the first air guide plate 141 and the first air guide plate 141 are disposed around the plurality of air outlet holes 132.
In this embodiment, the plurality of air outlet holes 132 are divided into a plurality of air outlet hole groups, each air outlet hole group includes a plurality of air outlet holes 132, the plurality of air outlet holes 132 of each air outlet hole group are arranged in rows, and the plurality of air outlet hole groups are arranged at intervals along the axial direction of the fan blade 20. Such an arrangement improves the sound deadening effect of the plurality of air outlet holes 132.
Preferably, the volute side plate 131 is an arc plate, and the air outlet holes 132 of two adjacent air outlet hole groups are staggered along the circumferential direction of the volute side plate 131. Such a setting plays a better pressure relief role, further improving the silencing effect of the plurality of air outlet holes 132.
In the present embodiment, the diameter of the air outlet hole 132 is 2mm to 7mm. The pressure relief effect is good, and the air flow rotating noise can be effectively reduced.
The invention also provides a fresh air device, as shown in fig. 3 and 4, comprising a fan structure 30, wherein the fan structure is the fan structure in the above embodiment, the fan structure 30 comprises a volute assembly 10, a fresh air inlet 40 is arranged on the volute assembly 10, the volute assembly 10 is provided with a first air outlet 12 and a second air outlet 18, so that fresh air entering the fresh air device from the fresh air inlet 40 flows out through the first air outlet 12 and the second air outlet 18. The arrangement can greatly reduce fresh air noise and improve fresh air tone quality, and can also improve the whole fresh air quantity.
In this embodiment, the fresh air device further includes a sealing cover 60, the sealing cover 60 is covered on the volute component 10, an air inlet cavity is formed between the sealing cover 60 and the volute component 10, the first air inlet 11 of the volute component 10 is communicated with the air inlet cavity, so that fresh air enters the volute component 10 through the first air inlet 11 after entering the air inlet cavity through the fresh air inlet 40, and the fresh air in the volute component 10 is discharged through the first air outlet 12 and the second air outlet 18.
In the present embodiment, the volute assembly 10 includes a volute 13 and a volute cover 15, the volute cover 15 is arranged on the volute 13, and the sealing cover 60 is arranged on one side of the volute cover 15 away from the volute 13 and is connected with the volute cover 15 to form an air inlet cavity; wherein the fresh air inlet 40 is arranged on the volute cover 15.
In one embodiment, the fresh air device further comprises a filter screen assembly 70, and the filter screen assembly 70 is disposed in the air intake cavity.
In particular, the filter screen assembly 70 includes a support frame and a filter screen mounted on the support frame, the filter screen being vertically disposed between the volute cover 15 and the seal cover 60. Wherein, at least part of the support frame, the volute cover 15 and the sealing cover 60 enclose an air inlet cavity.
The invention also provides an indoor unit of an air conditioner, as shown in fig. 5 to 8, comprising a shell 80 and a fresh air device 90, wherein the fresh air device is the fresh air device in the embodiment, the fresh air device 90 is used for providing fresh air for the room, and the fresh air device 90 is arranged in the shell 80 and is positioned at the end part of the shell 80; the upper end of the housing 80 is provided with a fresh air outlet 50, the fresh air device 90 has a first air outlet 12 and a second air outlet 18, and the fresh air outlet 50 is communicated with both the first air outlet 12 and the second air outlet 18, so that fresh air flowing out from the first air outlet 12 and the second air outlet 18 enters a room through the fresh air outlet 50.
In another embodiment, the filter screen assembly 70 may also be disposed at the first air outlet 12 and the second air outlet 18.
The air conditioner indoor unit solves the technical problems that: in the airtight space, the air quality is poor due to continuous circulation heat exchange of air when the air conditioner is started, and the indoor unit of the air conditioner inputs fresh air for the airtight space, so that the air quality in the airtight space is improved, and the health of users is guaranteed.
The fresh air device solves the technical problems of high fresh air noise, poor sound quality and small fresh air quantity. The fresh air device improves fresh air noise and tone quality and fresh air quantity.
According to the indoor unit of the air conditioner, the fresh air device is additionally arranged on the side edge of the split wall-mounted air conditioner and is communicated with the outside through the fresh air pipe 100, and the filter screen assembly 70 is arranged on the fresh air device (the filter screen of the filter screen assembly 70 comprises, but is not limited to, a HEPA (high efficiency particulate air) screen, an activated carbon filter screen, an IFD (IFD) filter screen and other filter devices which can play a role in filtration and purification), so that outdoor fresh air can be introduced into a room and filtered through the filter screen. Simultaneously set up a plurality of air outlet 132 on spiral case 13, through the structural design of micropore pressure release, can reduce new trend noise by a wide margin and improve new trend tone quality, can also improve whole new trend amount of wind.
The specific implementation mode of the air conditioner indoor unit is as follows:
the fresh air device is reliably arranged on one side of the air conditioner indoor unit. The back of the fresh air device is provided with a fresh air inlet 40 communicated with the air inlet cavity, the fresh air inlet 40 is communicated with one end of a fresh air pipe 100 through an L-shaped pipe joint 110, and the other end of the fresh air pipe 100 is communicated with outdoor air. The fresh air device further comprises a fan structure 30 and a filter screen assembly 70 obliquely arranged at the first air inlet 11 of the fan structure 30, wherein the filter screen assembly is used for filtering air entering the room outdoors, the sealing cover 60 and the fan structure 30 are mutually matched to form an air inlet cavity, and the fresh air outlet 50 of the fresh air device faces to the upper part of the indoor unit of the air conditioner. The complete fresh air device is formed from the outdoor inlet of the fresh air duct 100 to the first air outlet 12 and the second air outlet 18 of the fresh air device.
The fan structure 30 comprises a volute 13, a volute cover 15, a fan blade 20 and a motor, wherein the volute 13 and the volute cover 15 are matched with each other to form two air outlet channels of fresh air. The conventional diffuser section is a first air outlet duct 16; the air duct wall near the volute tongue 135 of the volute casing 13 is provided with a plurality of micropores (i.e., a plurality of air outlet holes 132), and the micropores are communicated with the second air outlet 18 to form a second air outlet channel 17. The micropore structure has the pressure relief effect, can effectively reduce the air current rotation noise, and simultaneously, pressure relief micropore communicates with each other with the air outlet, not only can not cause the amount of wind loss, can also suitably improve whole fresh air volume. The air duct wall on the volute 13 may also be disposed on the volute cover, or the volute and the volute cover may occupy part of each other.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
according to the fan structure, air is sucked into the volute assembly 10 from the first air inlet 11 through the fan blades 20 and is discharged through the first air outlet 12, a plurality of air outlet holes 132 are formed in the shell of the volute assembly 10, part of air in the volute assembly 10 can flow out through the air outlet holes 132, the air outlet holes 132 are arranged to realize pressure relief, airflow rotation noise can be effectively reduced, the air outlet of the volute assembly 10 comprises the air outlet of the first air outlet 12 and the air outlet of the air outlet holes 132, and the air outlet of the fan structure can be improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A fan structure, comprising:
a volute assembly (10), the volute assembly (10) having a first air inlet (11) and a first air outlet (12);
the fan blade (20) is arranged in the volute component (10), and the fan blade (20) is used for sucking gas into the volute component (10) through the first air inlet (11) and discharging the gas through the first air outlet (12);
wherein, a plurality of air outlet holes (132) are arranged on the shell of the volute assembly (10) so that part of the air in the volute assembly (10) flows out through the plurality of air outlet holes (132);
the volute assembly (10) comprises a volute (13) and a volute cover (15), the volute cover (15) is arranged on the volute (13) in a covering mode, the volute (13) comprises a volute side plate (131), the volute side plate (131) comprises a volute tongue (135), a first plate section (133) and a second plate section (134), one end of the first plate section (133) is provided with the volute tongue (135), the other end of the first plate section (133) is connected with the second plate section (134), and a plurality of air outlet holes (132) are formed in the first plate section (133);
the volute assembly (10) further comprises:
the air guide part (14) is arranged on the first plate section (133) and is positioned at the outer side of the volute (13), the volute tongue (135), the volute cover (15) and the air guide part (14) enclose a second air outlet channel (17), and one end, far away from the first plate section (133), of the second air outlet channel (17) forms a second air outlet (18) so that the air in the volute assembly (10) flows out from the second air outlet (18) after passing through a plurality of air outlet holes (132) and the second air outlet channel (17);
the volute assembly (10) is provided with a first air outlet channel (16), the first air outlet channel (16) is formed between at least part of the second plate section (134) and the volute tongue (135), the first air outlet channel (16) is provided with the first air outlet (12), and gas of the volute assembly (10) is discharged from the first air outlet (12) through the first air outlet channel (16).
2. The fan structure according to claim 1, characterized in that the scroll (13) comprises a scroll back plate (136), the scroll cover (15) and the scroll back plate (136) being oppositely arranged on both sides of the scroll side plate (131).
3. The fan structure according to claim 1, wherein the air guiding portion (14) includes a first air guiding plate (141) and a second air guiding plate (142) connected to the first air guiding plate (141), the first air guiding plate (141) and the second air guiding plate (142) are both connected to the first plate section (133), an end of the first air guiding plate (141) away from the second air guiding plate (142) is connected to the volute tongue (135), and an end of the second air guiding plate (142) away from the first air guiding plate (141) is connected to the volute cover (15).
4. The fan structure according to claim 2, wherein the plurality of air outlet holes (132) are divided into a plurality of air outlet hole groups, each of the air outlet hole groups includes a plurality of air outlet holes (132), the plurality of air outlet holes (132) of each of the air outlet hole groups are arranged in a row, and the plurality of air outlet hole groups are arranged at intervals along the axial direction of the fan blade (20).
5. The fan structure according to claim 4, wherein the volute side plate (131) is an arc plate, and the air outlet holes (132) of two adjacent air outlet hole groups are staggered along the circumferential direction of the volute side plate (131).
6. The fan structure according to any one of claims 1 to 5, characterized in that the diameter of the air outlet hole (132) is 2mm to 7mm.
7. A fresh air device comprising a fan structure (30), characterized in that the fan structure is a fan structure according to any one of claims 1 to 6, the fan structure (30) comprises a volute assembly (10), a fresh air inlet (40) is arranged on the volute assembly (10), the volute assembly (10) is provided with a first air outlet (12) and a second air outlet (18), so that fresh air entering the fresh air device from the fresh air inlet (40) flows out through the first air outlet (12) and the second air outlet (18).
8. The fresh air device of claim 7, further comprising:
the sealing cover (60), sealed lid (60) lid is established on spiral case subassembly (10), sealed lid (60) with form the air inlet cavity between spiral case subassembly (10), spiral case subassembly (10) first air intake (11) with air inlet cavity intercommunication, so that new trend passes through new trend air intake (40) get into behind the air inlet cavity by first air intake (11) get into in spiral case subassembly (10), spiral case subassembly (10) are interior new trend passes through first air outlet (12) with second air outlet (18) are discharged.
9. Fresh air device according to claim 8, characterized in that the volute assembly (10) comprises a volute (13) and a volute cover (15), the volute cover (15) being arranged on the volute (13) in a covering manner, the sealing cover (60) being arranged on the side of the volute cover (15) remote from the volute (13) and being connected with the volute cover (15) in order to form the air intake cavity;
the fresh air inlet (40) is arranged on the volute cover (15).
10. The fresh air device of claim 8, further comprising:
the filter screen assembly (70), filter screen assembly (70) set up in the air inlet cavity.
11. An indoor unit of an air conditioner, comprising a housing (80) and a fresh air device (90), characterized in that the fresh air device is a fresh air device according to any one of claims 7 to 10, the fresh air device (90) is used for providing fresh air to a room, and the fresh air device (90) is arranged in the housing (80) and is positioned at the end of the housing (80); the upper end of casing (80) is provided with new trend air outlet (50), new trend device (90) have first air outlet (12) and second air outlet (18), new trend air outlet (50) with first air outlet (12) with second air outlet (18) all communicate, so that by new trend that first air outlet (12) with second air outlet (18) flow out passes through new trend air outlet (50) gets into indoor.
CN201910258722.XA 2019-04-01 2019-04-01 Fan structure, fresh air device and air conditioner indoor unit Active CN109882434B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910258722.XA CN109882434B (en) 2019-04-01 2019-04-01 Fan structure, fresh air device and air conditioner indoor unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910258722.XA CN109882434B (en) 2019-04-01 2019-04-01 Fan structure, fresh air device and air conditioner indoor unit

Publications (2)

Publication Number Publication Date
CN109882434A CN109882434A (en) 2019-06-14
CN109882434B true CN109882434B (en) 2024-02-27

Family

ID=66935740

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910258722.XA Active CN109882434B (en) 2019-04-01 2019-04-01 Fan structure, fresh air device and air conditioner indoor unit

Country Status (1)

Country Link
CN (1) CN109882434B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111795006B (en) * 2020-07-17 2021-07-27 广东美的白色家电技术创新中心有限公司 Volute assembly and centrifugal fan
CN111811117A (en) * 2020-07-17 2020-10-23 广东美的制冷设备有限公司 Control method of air conditioner, air conditioner and computer readable storage medium
CN114110792B (en) * 2021-11-11 2023-02-17 Tcl空调器(中山)有限公司 Fresh air shell, fresh air module and air conditioner

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029546A1 (en) * 2000-06-15 2001-12-20 Behr Gmbh & Co Radial fan for motor vehicle heating or air conditioning system has additional opening in spiral housing side wall immediately next to air outlet to which feedback channel is connected
FR2856442A1 (en) * 2003-06-19 2004-12-24 Renault Sa Centrifugal ventilation device for motor vehicle, has suction unit adjacent to opening of air outlet and extending perpendicular to direction of air flow exhaust via opening of air outlet
CN102758798A (en) * 2011-04-26 2012-10-31 嵊州市龙马冲件有限公司 Fan device with noise reducing structure
JP2016114004A (en) * 2014-12-17 2016-06-23 アイシン精機株式会社 Centrifugal pump
CN106907351A (en) * 2017-04-26 2017-06-30 广东美的制冷设备有限公司 Spiral case, blower fan and air-conditioner
KR20180070253A (en) * 2016-12-16 2018-06-26 엘지전자 주식회사 Air blower and air conditioner
CN108224563A (en) * 2018-02-01 2018-06-29 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN108361889A (en) * 2018-03-06 2018-08-03 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN108916116A (en) * 2018-06-26 2018-11-30 珠海格力电器股份有限公司 Volute tongue and volute tongue control method, cross flow fan, air conditioner
CN208536143U (en) * 2018-07-11 2019-02-22 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN208652725U (en) * 2018-05-04 2019-03-26 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN209800319U (en) * 2019-04-01 2019-12-17 珠海格力电器股份有限公司 Fan structure, fresh air device and air conditioner indoor unit

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10029546A1 (en) * 2000-06-15 2001-12-20 Behr Gmbh & Co Radial fan for motor vehicle heating or air conditioning system has additional opening in spiral housing side wall immediately next to air outlet to which feedback channel is connected
FR2856442A1 (en) * 2003-06-19 2004-12-24 Renault Sa Centrifugal ventilation device for motor vehicle, has suction unit adjacent to opening of air outlet and extending perpendicular to direction of air flow exhaust via opening of air outlet
CN102758798A (en) * 2011-04-26 2012-10-31 嵊州市龙马冲件有限公司 Fan device with noise reducing structure
JP2016114004A (en) * 2014-12-17 2016-06-23 アイシン精機株式会社 Centrifugal pump
KR20180070253A (en) * 2016-12-16 2018-06-26 엘지전자 주식회사 Air blower and air conditioner
CN106907351A (en) * 2017-04-26 2017-06-30 广东美的制冷设备有限公司 Spiral case, blower fan and air-conditioner
CN108224563A (en) * 2018-02-01 2018-06-29 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN108361889A (en) * 2018-03-06 2018-08-03 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN208652725U (en) * 2018-05-04 2019-03-26 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN108916116A (en) * 2018-06-26 2018-11-30 珠海格力电器股份有限公司 Volute tongue and volute tongue control method, cross flow fan, air conditioner
CN208536143U (en) * 2018-07-11 2019-02-22 青岛海尔空调器有限总公司 A kind of fresh air conditioner indoor unit
CN209800319U (en) * 2019-04-01 2019-12-17 珠海格力电器股份有限公司 Fan structure, fresh air device and air conditioner indoor unit

Also Published As

Publication number Publication date
CN109882434A (en) 2019-06-14

Similar Documents

Publication Publication Date Title
CN109882434B (en) Fan structure, fresh air device and air conditioner indoor unit
CN209800319U (en) Fan structure, fresh air device and air conditioner indoor unit
CN110887121A (en) Fresh air conditioner indoor unit
CN111306633A (en) Fresh air module and air conditioner
CN108870688B (en) Indoor unit of air conditioner and control method thereof
CN114616426A (en) Diffuser, diffuser assembly and air conditioner having the same
CN102865239A (en) Air blower capable of omni-directionally blowing out air for large space
CN212618748U (en) Fresh air module and air conditioner
CN106016523B (en) Indoor air purifier
CN110848777B (en) Oil fume purifying device
CN219300888U (en) Fresh air module and air conditioner
CN217817256U (en) Fresh air assembly and fresh air conditioner
CN217154295U (en) Fume exhaust fan
CN216744605U (en) Indoor unit of air conditioner
CN212005934U (en) Indoor unit of air conditioner
CN109405081B (en) Indoor unit of air conditioner and air conditioner
CN112160926B (en) Ceiling fan
CN217154446U (en) Fresh air device and air conditioning equipment
CN217029413U (en) Low-cost air conditioner spiral case that can effectively fall and make an uproar
CN220707432U (en) Air outlet of internal exhaust type range hood
CN216591952U (en) Fresh air module and air conditioner
CN212005936U (en) Indoor unit of air conditioner
CN211177118U (en) Wall-mounted air conditioner indoor unit and air conditioner
CN211854209U (en) Fresh air module and air conditioner
CN220453812U (en) Filter screen assembly and fresh air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant