CN216620040U - Fresh air device and air conditioner - Google Patents

Fresh air device and air conditioner Download PDF

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Publication number
CN216620040U
CN216620040U CN202123200877.XU CN202123200877U CN216620040U CN 216620040 U CN216620040 U CN 216620040U CN 202123200877 U CN202123200877 U CN 202123200877U CN 216620040 U CN216620040 U CN 216620040U
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China
Prior art keywords
fresh air
air
air outlet
annular
fresh
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CN202123200877.XU
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Chinese (zh)
Inventor
王天春
王现林
安智
游俊雄
莫建樷
李仕铭
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides a fresh air device and an air conditioner, comprising: the air conditioner comprises a shell, a fan and a fan, wherein the shell is provided with an air inlet and a fresh air duct which are communicated with each other; the fan blades are rotatably arranged in the fresh air duct; the air-out structure is connected with the shell, and the air-out structure has annular new trend export, and annular new trend export and new trend wind channel intercommunication, the inner wall that the annular new trend exported has the arc guide face, and the arc guide face constructs to produce the kangda effect when the fluid passes through the arc guide face. By adopting the scheme, the arc-shaped guide surface is arranged on the inner wall of the annular fresh air outlet, when the fluid in the fresh air channel passes through the arc-shaped guide surface, the coanda effect can be generated, and the coanda effect is utilized, so that the air supply distance of the fluid can be effectively increased. The fan blades are arranged in the fresh air duct in a rotatable mode, and the air inlet speed of the air inlet can be increased.

Description

Fresh air device and air conditioner
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a fresh air device and an air conditioner.
Background
With the attention of people to the healthy home environment, more and more air conditioners are increasing health functions, and fresh air is an important one. However, due to the limitation of the installation condition of the air conditioner, the air supply distance of the fresh air conditioner is small, the comfort is poor, and the daily use requirement of a user cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fresh air device and an air conditioner, and aims to solve the problem that the air supply distance of the fresh air device in the prior art is small.
In order to solve the above problem, according to an aspect of the present invention, there is provided a fresh air device including: the shell is provided with a fresh air inlet and a fresh air duct which are communicated with each other; the fan blades are rotatably arranged in the fresh air duct; the air-out structure is connected with the shell, and the air-out structure has annular new trend export, and annular new trend export and new trend wind channel intercommunication, the inner wall that the annular new trend exported has the arc guide face, and the arc guide face constructs to produce the kangda effect when the fluid passes through the arc guide face.
Further, the air-out structure includes outer barrel and interior barrel, and interior barrel passes outer barrel, and the annular region between interior barrel and the outer barrel forms annular new trend export, and the arc guide face is located outer barrel and/or interior barrel.
Furthermore, the outer cylinder body is a straight cylinder, and the arc-shaped guide surface is positioned on one side of the inner cylinder body facing the outer cylinder body; in the air-out direction of annular new trend export, the distance between arc guide face and the outer barrel inner wall reduces gradually.
Furthermore, the outer cylinder and the inner cylinder are coaxially arranged, and on the radial section of the inner cylinder, the included angle between the arc-shaped guide surface and the axis of the inner cylinder is 10-30 degrees.
Furthermore, an included angle is formed between the air outlet direction of the annular fresh air outlet and the air outlet direction of the fresh air duct, the air outlet structure further comprises a guide inclined cylinder, two ends of the guide inclined cylinder are respectively connected with the outer cylinder and the shell, the inner cylinder is connected with the guide inclined cylinder, and the annular fresh air outlet is communicated with the fresh air duct through a channel in the guide inclined cylinder.
According to another aspect of the utility model, an air conditioner is provided, which comprises an indoor unit and the fresh air device, wherein the fresh air device is connected with the indoor unit.
Furthermore, the fresh air device is arranged in a shell structure of the indoor unit, the shell structure is provided with a fresh air outlet and an air conditioner outlet, and an annular fresh air outlet of the fresh air device is communicated with the fresh air outlet; the fresh air device or the indoor unit is provided with an air inducing channel which guides part of air at the air outlet of the air conditioner to the fresh air outlet.
Furthermore, the air outlet structure of the fresh air device is provided with an induced air channel, and the annular fresh air outlet is arranged around the outlet of the induced air channel.
Furthermore, the shell structure is provided with a heat exchange cavity and an installation cavity which are arranged at intervals, the fresh air device is installed in the installation cavity, the fresh air outlet is arranged on the outer side wall of the installation cavity, and the fresh air outlet is communicated with the heat exchange cavity; a partition plate is arranged between the heat exchange cavity and the installation cavity, a plurality of air passing holes are formed in the partition plate, and the air passing holes are communicated with the air inducing channel.
Furthermore, the diameter of the air passing hole is D, and D is more than or equal to 2mm and less than or equal to 6 mm.
Furthermore, the axes of the fresh air outlet, the annular fresh air outlet and the air inducing channel are coaxially arranged, and the axis of the air passing hole is parallel to the axis of the air inducing channel.
By applying the technical scheme of the utility model, the fresh air device is provided, and comprises: the shell is provided with an air inlet and a fresh air duct which are communicated with each other; the fan blades are rotatably arranged in the fresh air duct; the air-out structure is connected with the shell, and the air-out structure has annular new trend export, and annular new trend export and new trend wind channel intercommunication, the inner wall that the annular new trend exported has the arc guide face, and the arc guide face constructs to produce the kangda effect when the fluid passes through the arc guide face. By adopting the scheme, the arc-shaped guide surface is arranged on the inner wall of the annular fresh air outlet, when the fluid in the fresh air channel passes through the arc-shaped guide surface, the coanda effect can be generated, and the coanda effect is utilized, so that the air supply distance of the fluid can be effectively increased. Wherein, set up the fan blade and rotationally in new wind channel, can accelerate the air inlet speed of air intake.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic diagram of a fresh air device provided by an embodiment of the present invention;
FIG. 2 shows a cross-sectional view of the fresh air device of FIG. 1;
FIG. 3 shows an enlarged partial view of the fresh air device of FIG. 2;
fig. 4 is a schematic view illustrating an air conditioner according to another embodiment;
FIG. 5 is a partial enlarged view of the air conditioner of FIG. 4;
fig. 6 shows a side view of the air conditioner of fig. 4.
Wherein the figures include the following reference numerals:
10. a housing; 11. a fresh air inlet; 12. a fresh air duct; 13. a filter screen;
20. a fan blade;
30. an air outlet structure; 31. an annular fresh air outlet; 311. an arc-shaped guide surface; 32. an outer cylinder; 33. an inner cylinder; 34. a flow guide inclined cylinder; 35. an induced draft channel;
40. an indoor unit; 41. a housing structure; 411. a fresh air outlet; 412. an air outlet of the air conditioner; 42. a partition plate; 421. air passing holes; 43. a baffle plate; 44. and (5) protective ribs.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a fresh air device, including: the fresh air device comprises a shell 10, wherein the shell 10 is provided with a fresh air inlet 11 and a fresh air duct 12 which are communicated with each other; the fan blade 20 is rotatably arranged in the fresh air duct 12; air-out structure 30 is connected with shell 10, and air-out structure 30 has annular new trend export 31, and annular new trend export 31 and new trend wind channel 12 intercommunication, and the inner wall of annular new trend export 31 has arc guide face 311, and arc guide face 311 constructs to produce the kanda effect when the fluid passes through arc guide face 311.
Adopt this scheme, set up arc guide surface 311 through the inner wall at annular new trend export 31, when the fluid in new trend wind channel 12 when arc guide surface 311, can produce the coanda effect, utilize the coanda effect, can effectively increase fluidic air supply distance. The fan blades 20 are rotatably arranged in the fresh air duct 12, so that the air inlet speed of the air inlet can be increased. Among them, the coanda effect is also called coanda effect.
The air outlet structure 30 includes an outer cylinder 32 and an inner cylinder 33, the inner cylinder 33 passes through the outer cylinder 32, an annular fresh air outlet 31 is formed in an annular area between the inner cylinder 33 and the outer cylinder 32, and the arc-shaped guide surface 311 is located on the outer cylinder 32 and/or the inner cylinder 33. By arranging the outer cylinder 32 and the inner cylinder 33 and passing the inner cylinder 33 through the outer cylinder 32, the annular fresh air outlet 31 can be formed between the outer cylinder 32 and the inner cylinder 33; the arc guide surface 311 may be disposed on the outer cylinder 32 and/or the inner cylinder 33, and the arc guide surface 311 is disposed to generate a coanda effect when the fluid passes through the arc guide surface 311, thereby increasing the air blowing distance of the fluid.
Further, the outer cylinder 32 is a straight cylinder, and the arc-shaped guide surface 311 is located on one side of the inner cylinder 33 facing the outer cylinder 32; in the air outlet direction of the annular fresh air outlet 31, the distance between the arc-shaped guide surface 311 and the inner wall of the outer cylinder 32 is gradually reduced. In this embodiment, the outer cylinder 32 is set to be a straight cylinder, the arc guide surface 311 is set on the inner cylinder 33 and faces one side of the outer cylinder 32, and thus when the fluid passes through the arc guide surface 311, the coanda effect can be generated, the flow rate is increased, and the air supply distance of the fluid is increased. Wherein, the wall thickness of the inner cylinder 33 is the same at different positions.
In the present embodiment, the outer cylinder 32 and the inner cylinder 33 are coaxially disposed, and on a radial cross section of the inner cylinder 33, an included angle between the arc-shaped guide surface 311 and an axis of the inner cylinder 33 is between 10 ° and 30 °. The included angle between the arc-shaped guide surface 311 and the axis of the inner cylinder 33 is limited within the angle range, so that the coanda effect can be formed; with outer barrel 32 and the coaxial setting of interior barrel 33, can make the fluid that annular new trend export 31 flows more even like this, improve user's travelling comfort.
In this embodiment, an included angle is formed between the air outlet direction of the annular fresh air outlet 31 and the air outlet direction of the fresh air duct 12, the air outlet structure 30 further includes a guide inclined tube 34, two ends of the guide inclined tube 34 are respectively connected with the outer cylinder 32 and the housing 10, the inner cylinder 33 is connected with the guide inclined tube 34, and the annular fresh air outlet 31 is communicated with the fresh air duct 12 through a channel in the guide inclined tube 34. An included angle is formed between the air outlet direction of the annular fresh air outlet 31 and the air outlet direction of the fresh air duct 12, and the guide inclined cylinder 34 is arranged, so that the guide effect on the fluid can be achieved, and the fluid can be better mixed during air outlet. Moreover, the fresh air device is compact in structure and small in occupied space due to the arrangement.
Wherein, the air outlet direction of the annular fresh air outlet 31 is perpendicular to the air outlet direction of the fresh air duct 12. The fan blade 20 is a centrifugal fan blade. The housing 10 and the air outlet structure 30 are an integrated structure. Set up shell 10 and air-out structure 30 to an organic whole structure, the processing of being convenient for reduces manufacturing cost. The fresh air device also comprises a filter screen 13, and the filter screen 13 is arranged in the shell 10. Set up filter screen 13, can play the filtering action to the fluid that gets into the new trend device, prevent that impurity from getting into indoorly.
According to another aspect of the present invention, an air conditioner is provided, which comprises an indoor unit 40 and the above fresh air device, wherein the fresh air device is connected with the indoor unit 40. Adopt this scheme, through connecting new trend device and indoor set 40 to set up arc guide surface 311 at the inner wall of annular new trend export 31, when the fluid in new trend wind channel 12 when arc guide surface 311, can produce the effect of reaching, utilize the effect of reaching, can effectively increase fluidic air supply distance, can increase the air supply distance of air conditioner promptly.
The fresh air device is arranged in a shell structure 41 of the indoor unit 40, the shell structure 41 is provided with a fresh air outlet 411 and an air-conditioning air outlet 412, and an annular fresh air outlet 31 of the fresh air device is communicated with the fresh air outlet 411; the fresh air device or indoor unit 40 has an air inducing channel 35, and the air inducing channel 35 guides a part of the air at the air outlet 412 to the fresh air outlet 411.
Adopt above-mentioned mode of setting up, communicate fresh air device's annular new trend export 31 and new trend air outlet 411 to induced air passageway 35 guides a part wind of air conditioner air outlet 412 department to new trend air outlet 411, and like this when the cold in-process of air conditioning, if need the new trend take a breath, the new trend device is opened, and fan blade 20 rotates, forms the negative pressure this moment, thereby with the higher air of outdoor temperature leading-in indoor via new trend wind channel 12. Because the inner wall at annular new trend export 31 sets up arc guide surface 311, when the fluid in new trend wind channel 12 when arc guide surface 311, can produce the coanda effect, can effectively increase fluidic air supply distance, thereby air outlet 412 can mix with outdoor leading-in new trend via air-induced duct 35 via air-conditioner refrigerated air, the two kinds of air-mixing of high temperature air current and low temperature air current forms cold and hot mixed wind, the higher air of temperature has been avoided directly getting into indoorly, the temperature of the air after making the mixture is more suitable, blow out from new trend air outlet 411 simultaneously at last, the air supply distance increases, user's travelling comfort has been promoted.
Further, the air outlet structure 30 of the fresh air device has an induced air channel 35, and the annular fresh air outlet 31 is arranged around the outlet of the induced air channel 35. By arranging the air inducing channel 35, a part of air at the air-conditioning outlet 412 can be smoothly guided to the fresh air outlet 411 and blown out together with the fluid at the annular fresh air outlet 31. Wherein the passage in the inner cylinder 33 forms an induced draft passage 35.
As shown in fig. 4 to 6, the casing structure 41 has a heat exchange cavity and an installation cavity which are arranged at intervals, the fresh air device is installed in the installation cavity, the fresh air outlet 411 is arranged on the outer side wall of the installation cavity, and the fresh air outlet 411 is communicated with the heat exchange cavity; a partition plate 42 is arranged between the heat exchange cavity and the mounting cavity, a plurality of air passing holes 421 are formed in the partition plate 42, and the air passing holes 421 are communicated with the induced air channel 35.
In the process of heating by the air conditioner, if fresh air is needed for ventilation, the fresh air device is started, the fan blades 20 rotate, negative pressure is formed at the moment, and therefore outdoor cold air is guided into the room through the fresh air duct 12. Because the inner wall at annular new trend export 31 sets up arc guide surface 311, when the fluid in new trend wind channel 12 when through arc guide surface 311, can produce the coanda effect, can effectively increase fluidic air supply distance, air outlet 412 can be mixed through induced air passageway 35 and air hole 421 and outdoor leading-in new trend via the air of air conditioner heating simultaneously, two kinds of air mixing of low temperature air current and high temperature air current form cold and hot mixed wind, it is indoor to have avoided the lower air direct entering of temperature, the temperature that makes the air is more suitable, blow out from new trend air outlet 411 simultaneously at last.
The fresh air outlet 411 is located on a side surface of the casing structure 41, the air conditioner outlet 412 is located on a front surface of the casing structure 41, and an air outlet direction of the fresh air outlet 411 is perpendicular to an air outlet direction of the air conditioner outlet 412.
Furthermore, the diameter of the air passing hole 421 is D, and D is more than or equal to 2mm and less than or equal to 6 mm. The diameter setting of air passing hole 421 is in above-mentioned numerical range, can enough guarantee that some wind of air conditioner air outlet 412 department enters into new trend air outlet 411 department, can guarantee structural strength again, plays the guard action to the new trend device.
Further, the axes of the fresh air outlet 411, the annular fresh air outlet 31 and the air inducing channel 35 are all coaxially arranged, and the axis of the air passing hole 421 is parallel to the axis of the air inducing channel 35. The axes of the fresh air outlet 411, the annular fresh air outlet 31 and the air inducing channel 35 are arranged on the same axis, and the axis of the air passing hole 421 is parallel to the axis of the air inducing channel 35, so that the fluid can smoothly pass through the air inducing channel. Wherein, the axes of the fresh air outlet 411, the annular fresh air outlet 31 and the induced air channel 35 are all horizontally arranged.
Optionally, as shown in fig. 6, a baffle 43 and a plurality of protection ribs 44 disposed around the baffle 43 are disposed at the fresh air outlet 411 of the indoor unit 40, the baffle 43 is located in a middle region of the fresh air outlet 411, two ends of each protection rib 44 are respectively connected to the baffle 43 and the casing structure 41, and a region between the protection ribs 44 is used for air outlet. The baffle 43 and the protective rib 44 can play a protective role.
Furthermore, the induced air channel 35 is a circular channel, the baffle plate 43 is a circular plate, the baffle plate 43 and the induced air channel 35 are coaxially arranged, the diameter of the baffle plate 43 is smaller than that of the induced air channel 35, and the indoor air output from the induced air channel 35 can be blown out in an area surrounding the baffle plate 43 through the shielding effect of the baffle plate 43, so that the indoor air and the outdoor air output from the annular fresh air outlet 31 are more fully mixed, and then blown out from the fresh air outlet 411 after mixing, and the comfort of a user is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement 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 new trend device, its characterized in that includes:
the air conditioner comprises a shell (10), wherein the shell (10) is provided with a fresh air inlet (11) and a fresh air duct (12) which are communicated with each other;
the fan blade (20) is rotatably arranged in the fresh air duct (12);
air-out structure (30), with shell (10) are connected, air-out structure (30) have annular new trend export (31), annular new trend export (31) with new trend wind channel (12) intercommunication, the inner wall of annular new trend export (31) has arc guide face (311), arc guide face (311) construct for the fluid process produce the kangda effect during arc guide face (311).
2. The fresh air device according to claim 1, characterized in that the air outlet structure (30) comprises an outer cylinder (32) and an inner cylinder (33), the inner cylinder (33) passes through the outer cylinder (32), the annular region between the inner cylinder (33) and the outer cylinder (32) forms the annular fresh air outlet (31), and the arc-shaped guide surface (311) is located on the outer cylinder (32) and/or the inner cylinder (33).
3. The fresh air device as claimed in claim 2, wherein the outer cylinder (32) is a straight cylinder, and the arc-shaped guide surface (311) is located on the side of the inner cylinder (33) facing the outer cylinder (32); in the air outlet direction of the annular fresh air outlet (31), the distance between the arc guide surface (311) and the inner wall of the outer cylinder (32) is gradually reduced.
4. The fresh air device according to claim 2, characterized in that the outer cylinder (32) and the inner cylinder (33) are coaxially arranged, and in a radial section of the inner cylinder (33), an included angle between the arc-shaped guide surface (311) and an axis of the inner cylinder (33) is between 10 ° and 30 °.
5. The fresh air device according to claim 2, wherein an included angle is formed between an air outlet direction of the annular fresh air outlet (31) and an air outlet direction of the fresh air duct (12), the air outlet structure (30) further comprises a flow guide inclined tube (34), two ends of the flow guide inclined tube (34) are respectively connected with the outer tube (32) and the outer shell (10), the inner tube (33) is connected with the flow guide inclined tube (34), and the annular fresh air outlet (31) is communicated with the fresh air duct (12) through a channel in the flow guide inclined tube (34).
6. Air conditioner, characterized in that it comprises an indoor unit (40) and a fresh air device according to any one of claims 1 to 5, said fresh air device being connected to said indoor unit (40).
7. The air conditioner according to claim 6, characterized in that the fresh air device is arranged in a shell structure (41) of the indoor unit (40), the shell structure (41) is provided with a fresh air outlet (411) and an air conditioner outlet (412), and the annular fresh air outlet (31) of the fresh air device is communicated with the fresh air outlet (411); the fresh air device or the indoor unit (40) is provided with an air inducing channel (35), and the air inducing channel (35) guides a part of air at the air conditioner air outlet (412) to the fresh air outlet (411).
8. The air conditioner according to claim 7, wherein the air outlet structure (30) of the fresh air device is provided with the induced air channel (35), and the annular fresh air outlet (31) is arranged around the outlet of the induced air channel (35).
9. The air conditioner as claimed in claim 7, wherein the housing structure (41) has a heat exchange cavity and a mounting cavity arranged at intervals, the fresh air device is mounted in the mounting cavity, the fresh air outlet (411) is arranged on the outer side wall of the mounting cavity, and the fresh air outlet (411) is communicated with the heat exchange cavity; a partition plate (42) is arranged between the heat exchange cavity and the mounting cavity, a plurality of air passing holes (421) are formed in the partition plate (42), and the air passing holes (421) are communicated with the air induction channel (35).
10. The air conditioner as claimed in claim 9, wherein the diameter of the air passing hole (421) is D, 2mm ≦ D ≦ 6 mm.
11. The air conditioner as claimed in claim 9, wherein the axes of the fresh air outlet (411), the annular fresh air outlet (31) and the air inducing channel (35) are all coaxially arranged, and the axis of the air passing hole (421) is parallel to the axis of the air inducing channel (35).
CN202123200877.XU 2021-12-16 2021-12-16 Fresh air device and air conditioner Active CN216620040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123200877.XU CN216620040U (en) 2021-12-16 2021-12-16 Fresh air device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123200877.XU CN216620040U (en) 2021-12-16 2021-12-16 Fresh air device and air conditioner

Publications (1)

Publication Number Publication Date
CN216620040U true CN216620040U (en) 2022-05-27

Family

ID=81704665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123200877.XU Active CN216620040U (en) 2021-12-16 2021-12-16 Fresh air device and air conditioner

Country Status (1)

Country Link
CN (1) CN216620040U (en)

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