CN217763776U - Fresh air device, mobile air conditioner, exhaust fan and central air conditioner - Google Patents

Fresh air device, mobile air conditioner, exhaust fan and central air conditioner Download PDF

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Publication number
CN217763776U
CN217763776U CN202221546932.2U CN202221546932U CN217763776U CN 217763776 U CN217763776 U CN 217763776U CN 202221546932 U CN202221546932 U CN 202221546932U CN 217763776 U CN217763776 U CN 217763776U
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China
Prior art keywords
centrifugal fan
fan blade
spoiler
guide ring
fresh air
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CN202221546932.2U
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Chinese (zh)
Inventor
宋鹏
张华波
郑燕鑫
安智
莫建樷
潘正伟
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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 discloses a new trend device, mobile air conditioner, exhaust fan and central air conditioner, new trend device includes spiral case, volute cap and centrifugal fan blade, and the centrifugal fan blade is rotatable to be set up in the spiral case, and the volute cap sets up in spiral case air inlet one side, and new trend device still includes water conservancy diversion circle and spoiler; the guide ring is arranged on a communication channel between the volute casing cover and the centrifugal fan blade; the spoiler is provided with at least one and is arranged in the centrifugal fan blade, extends towards one side close to the guide ring and penetrates through a guide ring air inlet formed by the guide ring to form an extension part. Through setting up the spoiler for when the centrifugal fan blade rotates and does work, the spoiler can provide the rotatory kinetic energy in advance that passes through the water conservancy diversion circle of air current, in order entering centrifugal fan blade, thereby increase the intake, and after the air current got into centrifugal fan blade, the fresh air volume that comes out from the air outlet of spiral case can be along with the increase, thereby reaches the efficiency that the blade rotation of increase centrifugal fan blade did work, further increases the purpose of air output.

Description

Fresh air device, mobile air conditioner, exhaust fan and central air conditioner
Technical Field
The utility model relates to an air conditioning technology field especially relates to a new trend device, mobile air conditioner, exhaust fan and central air conditioning.
Background
The air conditioner new trend part of existing market mainstream, in its structural design, the use is traditional centrifugal fan blade, and traditional centrifugal fan blade rotates the in-process, and the acting efficiency is low, and the amount of wind is little to influence the amount of wind of new trend air-out, lead to the amount of wind of new trend spiral case air outlet little.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a new trend device, mobile air conditioner, exhaust fan and central air conditioning aims at solving prior art, and the problem that the new trend part air output is little.
In a first aspect, the embodiment of the utility model provides a fresh air device, including spiral case, worm cap and centrifugal fan blade, the centrifugal fan blade rotatable set up in the spiral case, the worm cap set up in spiral case air inlet one side, fresh air device still includes:
the guide ring is arranged on a communication channel between the worm shell cover and the centrifugal fan blade;
at least one spoiler is arranged and arranged in the centrifugal fan;
the spoiler extends towards one side close to the guide ring and penetrates through a guide ring air inlet formed by the guide ring to form an extending part.
Furthermore, the length of the extending part on the air inlet side of the guide ring is greater than or equal to 10mm.
Furthermore, the length of the extending part on the air inlet side of the guide ring is less than or equal to 30mm.
Furthermore, the spoiler is arranged on a hub in the middle of the centrifugal fan blade.
Furthermore, the spoiler is arranged on the blade of the centrifugal fan blade.
Furthermore, the inner side of the guide ring is arranged to extend from the air inlet side to the arc shape bent at one side of the centrifugal fan blade.
Furthermore, the spoilers are arranged in a plurality of numbers and are uniformly distributed in the centrifugal fan blades.
In a second aspect, an embodiment of the present invention provides a mobile air conditioner carrying the fresh air device, where the mobile air conditioner includes an outdoor unit fan; the outdoor unit fan carries the fresh air device.
The embodiment of the utility model provides an installation new trend device's public food and beverage place exhaust fan.
In a fourth aspect, the embodiment of the present invention provides an installation of a central air conditioner for a production enterprise environment of a fresh air device.
The utility model discloses a through setting up the spoiler, and the spoiler is close to a water conservancy diversion circle tip extension and extends the water conservancy diversion circle for when the centrifugal fan blade rotates and does work, the spoiler can provide the rotatory kinetic energy in advance through the water conservancy diversion circle of air current, in order entering into the centrifugal fan blade, thereby increase the intake, after the air current got into the centrifugal fan blade, the fresh air volume that comes out from the air outlet of spiral case can be along with the increase, thereby reach the blade rotation efficiency of doing work of increase centrifugal fan blade, further increase the purpose of air output.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural view of a fresh air device provided by an embodiment of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 2;
fig. 4 is a schematic structural view of the fresh air device provided by the embodiment of the present invention with the sealing cover removed;
fig. 5 is another schematic structural view of the fresh air device provided by the embodiment of the present invention after the sealing cover is removed;
fig. 6 is a schematic structural view of the fresh air device provided by the embodiment of the present invention with a worm case cover removed;
fig. 7 is a schematic structural diagram of a centrifugal blade provided in an embodiment of the present invention;
fig. 8 is another schematic structural diagram of a centrifugal blade according to an embodiment of the present invention.
Reference numerals:
100. a volute; 200. a worm case cover; 300. a sealing cover; 400. a centrifugal fan blade; 500. a spoiler; 600. And (4) a flow guide ring.
Description of the drawings: the arrows in fig. 2 and 6 indicate the direction of the fresh air flow.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1-2 and 4-8, a fresh air device includes a volute 100, a volute cover 200, a sealing cover 300 and a centrifugal fan 400, the centrifugal fan 400 is rotatably disposed in the volute 100, the volute cover 200 is disposed on an air inlet side of the volute 100, the sealing cover 300 is disposed on the volute cover 200, and the fresh air device further includes:
the guide ring 600 is arranged on a communication channel between the volute cover 200 and the centrifugal fan blade 400;
at least one spoiler 500 is arranged in the centrifugal fan blade 400;
the spoiler 500 extends towards a side close to the flow guide ring 600, and penetrates through a flow guide ring air inlet formed by the flow guide ring 600 to form an extension part.
In this embodiment, by providing the spoiler 500, and the end of the spoiler 500 close to the flow guiding ring 600 extends through the flow guiding ring 600, the spoiler 500 can provide the pre-acting energy for the air flow to rotate through the flow guiding ring 600 to enter the centrifugal fan 400 while the centrifugal fan 400 rotates to do work, so as to increase the intake air amount, and after the air flow enters the centrifugal fan 400, the fresh air amount coming out from the air outlet of the volute 100 increases along with the increase, thereby achieving the purpose of increasing the efficiency of the blade rotation of the centrifugal fan 400 to do work and further increasing the air output amount.
Specifically, the sealing cover 300 is used to form a closed path for air intake with the volute cover 200.
Specifically, the air inlet is arranged on one side of the volute casing cover 200, and the airflow enters the centrifugal fan blade 400 through the flow guide ring 600 after entering the volute casing cover 200 and is exhausted through the air outlet arranged on one side of the volute casing 100.
Specifically, the flow guiding ring 600 is arranged on a channel communicated between the air inlet side of the volute cover 200 and the centrifugal fan blade 400, and is used for increasing the air outlet volume.
Specifically, the spoiler 500 is equivalent to a blade disposed on a side of the baffle ring 600 away from the centrifugal fan blade 400, the spoiler 500 rotates along with the rotation of the centrifugal fan blade 400, and when the spoiler 500 rotates, a disturbed air flow is formed on an air inlet side where the extension portion of the spoiler is located, so that the air flow enters the centrifugal fan blade 400 through the baffle ring 600, thereby accelerating air inlet and increasing air inlet amount, and further increasing fresh air amount at the air outlet.
In one embodiment, the spoiler is provided in plurality and is uniformly distributed in the centrifugal fan.
In this embodiment, the more the spoilers are arranged, the more the intake air amount is formed after the air flow is disturbed.
Referring to fig. 2 and 5, in an embodiment, the length of the extension portion on the air inlet side of the deflector 600 is greater than or equal to 10mm.
In this embodiment, the air inlet side of the flow guiding ring 600 can be understood as the side of the flow guiding ring 600 departing from the centrifugal blade, and when the length of the extending portion penetrating through the flow guiding ring 600 is controlled to be greater than or equal to 10mm, the air flow formed by the spoiler 500 drives the increase of the air inlet volume to achieve a considerable increase.
Referring to fig. 2 and 5, in an embodiment, the length of the extending portion on the air inlet side of the deflector 600 is less than or equal to 30mm.
In this embodiment, when the length of the extension part passing through the flow guiding ring 600 is controlled to be less than or equal to 30mm, when a large air output is achieved, the volume of the volute cover 200 can be prevented from being increased due to the overlarge length of the spoiler 500, which is not beneficial to the miniaturization of the whole volume.
In one embodiment, the spoiler 500 is disposed on a central hub of the centrifugal fan blade 400.
In this embodiment, the spoiler 500 may be disposed on the middle hub of the centrifugal fan blade 400 according to actual conditions, and rotates along with the rotation of the centrifugal fan blade 400, at this time, the load of the motor is smaller, and the fresh air outlet increment formed by the spoiler 500 is smaller.
Referring to fig. 7 and 8, in an embodiment, the spoiler 500 is disposed on the blade of the centrifugal fan 400.
In this embodiment, the spoiler 500 may be disposed on the blade of the centrifugal fan blade 400 according to actual conditions, and rotates along with the rotation of the centrifugal fan blade 400, at this time, the load of the motor is large, and the fresh air outlet increment formed by the spoiler 500 is large.
Specifically, the spoiler 500 may be a rectangular plate, and the spoiler 500 forms an angle with the radial plane, which may vary according to actual situations.
Specifically, the spoiler 500 may be disposed in a strip shape in the centrifugal fan blade 400 to reduce the overall weight and reduce the material consumption.
Referring to fig. 3, in an embodiment, the inner side of the flow guiding ring 600 is disposed to extend from an air inlet side to an arc shape bent at one side of the centrifugal fan 400.
In this embodiment, the air current velocity of flow can be faster when extending through the arc for the air inlet, and water conservancy diversion circle 600 is close to spiral case 100 one side and has the advantage of sheltering from air current backward flow influence air inlet.
Referring to fig. 4, in an embodiment, the flow guiding ring 600 is circular, a center of the circle is located on the same axis as a rotation axis of the centrifugal fan 400, a diameter of the flow guiding ring 600 is greater than a distance from an inner side of a blade of the centrifugal fan 400 to the rotation axis, and a diameter of the flow guiding ring 600 is smaller than a distance from an outer side of the blade of the centrifugal fan 400 to the rotation axis.
In this embodiment, the baffle ring 600 is disposed between the inner side and the outer side of the centrifugal fan blade 400, so that the air flow formed on the outer side after the fan blade is agitated does not flow back through the air inlet of the baffle ring, thereby avoiding affecting the air inlet amount.
The embodiment of the utility model also provides a mobile air conditioner carrying the fresh air device, which comprises an outdoor unit fan; the outdoor unit fan carries the fresh air device.
The embodiment of the utility model provides an installation still provide new trend device's public diet place exhaust fan.
The embodiment of the utility model provides an installation still provide a central air conditioning that is used for under the manufacturing enterprise environment of new trend device.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a new trend device, includes spiral case, worm cap and centrifugal fan blade, the centrifugal fan blade rotatable set up in the spiral case, the worm cap set up in spiral case air inlet one side, its characterized in that, new trend device still includes:
the guide ring is arranged on a communication channel between the worm shell cover and the centrifugal fan blade;
at least one spoiler is arranged and arranged in the centrifugal fan;
the spoiler extends towards one side close to the guide ring and penetrates through a guide ring air inlet formed by the guide ring to form an extending part.
2. The fresh air device according to claim 1, wherein:
the length of the extending part on the air inlet side of the guide ring is greater than or equal to 10mm.
3. The fresh air device according to claim 2, wherein:
the length of the extending part on the air inlet side of the guide ring is less than or equal to 30mm.
4. The fresh air device according to claim 1, wherein:
the spoiler is arranged on the middle hub of the centrifugal fan blade.
5. The fresh air device according to claim 1, wherein:
the spoiler is arranged on the blades of the centrifugal fan blade.
6. The fresh air device according to claim 1, wherein:
the guide ring is arranged to extend from the air inlet side to the arc shape bent at one side of the centrifugal fan blade.
7. The fresh air device according to claim 1, wherein:
the spoilers are arranged in a plurality of numbers and are uniformly distributed in the centrifugal fan blades.
8. A mobile air conditioner carrying the fresh air device of any one of claims 1 to 7,
the mobile air conditioner comprises an outdoor unit fan;
the outdoor unit fan carries the fresh air device.
9. A catering space exhaust fan fitted with a fresh air device as claimed in any of claims 1 to 7.
10. A central air conditioner for use in a manufacturing enterprise environment, incorporating the fresh air device of any one of claims 1 to 7.
CN202221546932.2U 2022-06-20 2022-06-20 Fresh air device, mobile air conditioner, exhaust fan and central air conditioner Active CN217763776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221546932.2U CN217763776U (en) 2022-06-20 2022-06-20 Fresh air device, mobile air conditioner, exhaust fan and central air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221546932.2U CN217763776U (en) 2022-06-20 2022-06-20 Fresh air device, mobile air conditioner, exhaust fan and central air conditioner

Publications (1)

Publication Number Publication Date
CN217763776U true CN217763776U (en) 2022-11-08

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ID=83895691

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221546932.2U Active CN217763776U (en) 2022-06-20 2022-06-20 Fresh air device, mobile air conditioner, exhaust fan and central air conditioner

Country Status (1)

Country Link
CN (1) CN217763776U (en)

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