CN210801396U - Fan subassembly, machine and air conditioner in air conditioning - Google Patents
Fan subassembly, machine and air conditioner in air conditioning Download PDFInfo
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- CN210801396U CN210801396U CN201921841038.6U CN201921841038U CN210801396U CN 210801396 U CN210801396 U CN 210801396U CN 201921841038 U CN201921841038 U CN 201921841038U CN 210801396 U CN210801396 U CN 210801396U
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Abstract
The utility model discloses a machine and air conditioner in fan subassembly, air conditioning, wherein, this fan subassembly, include: the centrifugal fan comprises a volute component, a centrifugal wind wheel and an air outlet grille, wherein the volute component is provided with a volute and a volute tongue; the centrifugal wind wheel is arranged in the volute assembly; the air-out grid is installed the spiral case with between the spiral tongue, the air-out grid includes first grid portion and second grid portion, first grid portion by the spiral case orientation the spiral tongue extends, the one end of second grid portion is connected the extension end of first grid portion, and the orientation the spiral tongue extends, first grid portion with second grid portion is the contained angle setting, second grid portion is located the orientation of first grid portion one side of centrifugal wind wheel. The utility model discloses technical scheme has the characteristics that the air output is big.
Description
Technical Field
The utility model relates to a fan field, in particular to machine and air conditioner in fan subassembly, air conditioning.
Background
The centrifugal fan is a fan which can axially intake air along the wind wheel and laterally output air along the wind wheel. In order to ensure the safety of the centrifugal fan during working, an air outlet grid is arranged at the air outlet of the centrifugal fan to prevent articles from falling into the centrifugal fan, but the loss of air outlet of the centrifugal fan is large and the air outlet volume is small due to the arrangement of the existing grid.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a fan subassembly aims at promoting centrifugal fan's air output.
In order to achieve the above object, the utility model provides a fan assembly, include:
a volute assembly having a volute and a volute tongue;
a centrifugal wind wheel disposed within the volute assembly; and the number of the first and second groups,
the air-out grid is installed the spiral case with between the spiral tongue, the air-out grid includes first grid portion and second grid portion, first grid portion by the spiral case orientation the spiral tongue extends, the one end of second grid portion is connected the extension end of first grid portion, and the orientation the spiral tongue extends, first grid portion with second grid portion is the contained angle setting, second grid portion is located the orientation of first grid portion one side of centrifugal wind wheel.
Optionally, the included angle between the second grid part and the volute tongue is 45-135 °.
Optionally, the included angle between the second grid part and the volute tongue is 80-100 °.
Optionally, an air outlet is formed at the tail end of the volute and the volute tongue, and an included angle between the first grid part and a plane where the air outlet is located is 0-5 °.
Optionally, the grid holes on the second grid part are arranged right opposite to the air outlet.
Optionally, the volute casing includes an air outlet plate disposed opposite to the volute tongue, the first grid part is mounted on the air outlet plate, and the length of the first grid part is less than or equal to the minimum distance from the volute tongue to the air outlet plate.
Optionally, the grid holes on the second grid part extend along the extending direction of the volute tongue.
Optionally, the grille holes of the air outlet grille are hexagonal holes.
Optionally, the side length of the grid hole is 1.5 mm-20 mm.
The utility model also provides an indoor unit of air conditioner, including above-mentioned fan assembly.
The utility model also provides an air conditioner, including above-mentioned fan subassembly.
The air-out grid of conventional spiral case is straight plate-like usually, extends to the spiral case from the spiral case, the utility model discloses technical scheme connects through adopting the second grid portion of spiral case tongue with first grid portion is the contained angle setting, will and second grid portion sets up first grid portion is close to one side of centrifugal wind wheel to make the extension length of second grid reduce, compare with conventional air-out grid, this embodiment the length of air-out grid littleer, can effectively reduce the loss of centrifugal wind wheel air-out in air-out grid department, thereby increase the air output of fan subassembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a fan assembly according to the present invention;
FIG. 2 is an isometric view of a partial structure of the blower assembly of FIG. 1;
FIG. 3 is a top view of a portion of the fan assembly of FIG. 1;
fig. 4 is a schematic structural view of an air outlet grille of the fan assembly in fig. 1;
fig. 5 is a schematic structural view of an air outlet structure according to an embodiment of the fan assembly of the present invention;
fig. 6 is a schematic structural view of an embodiment of an indoor unit of an air conditioner according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
110 | |
| 111 | |
120 | |
| 200 | |
210 | |
| 220 | Second grid part |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a fan subassembly.
In the embodiment of the present invention, as shown in fig. 1 to 4, the fan assembly includes: the centrifugal wind wheel and air outlet grille comprises a volute component 100, a centrifugal wind wheel and an air outlet grille 200, wherein the volute component 100 is provided with a volute 110 and a volute tongue 120; the centrifugal wind wheel is disposed within the volute assembly 100; the air outlet grille 200 is installed between the volute 110 and the volute tongue 120, the air outlet grille 200 includes a first grille part 210 and a second grille part 220, the first grille part 210 extends from the volute 110 toward the volute tongue 120, one end of the second grille part 220 is connected to the extending end of the first grille part 210 and extends toward the volute tongue 120, the first grille part 210 and the second grille part 220 are arranged at an included angle, and the second grille part 220 is located on one side of the first grille part 210 toward the centrifugal wind wheel. The fan assembly is a centrifugal fan assembly, the volute assembly 100 includes a volute 110, a volute tongue 120 and two side plates, the two side plates are arranged oppositely, the side plates are connected with the volute 110 and the volute tongue 120, the volute 110, the volute tongue 120 and the two side plates form an air duct, and an air inlet of the volute assembly 100 is arranged on the side plates. The volute 110 comprises an air outlet plate 111 opposite to the volute tongue 120, and the air outlet plate 111 and the volute tongue 120 are arranged at an included angle, so that an air outlet of the volute 110 is in flaring arrangement. Specifically, the air outlet plate 111 and the volute tongue 120 both extend along a tangential direction of an edge of the centrifugal wind wheel, and the air outlet plate 111 is located upstream of the volute tongue 120 in a rotation direction of the centrifugal wind wheel.
Air-out grid 200 of conventional spiral case 110 is straight plate-like usually, extends to spiral tongue 120 from spiral case 110, the utility model discloses technical scheme is through adopting the connection second grid portion 220 of spiral tongue 120 with first grid portion 210 is the contained angle setting, will and second grid portion 220 sets up first grid portion 210 is close to one side of centrifugal wind wheel to make the extension length of second grid reduce, compare with conventional air-out grid 200, this embodiment air-out grid 200's length littleer, can effectively reduce the loss of centrifugal wind wheel air-out in air-out grid 200 department, thereby increase the air output of fan subassembly.
Further, in the present embodiment, as shown in fig. 1, an included angle between the second grating portion 220 and the volute tongue 120 is 45 ° to 135 °. When the second grid portion 220 is perpendicular to the volute tongue 120, the length of the second grid portion 220 is the smallest, and when the included angle between the second grid portion 220 and the volute tongue 120 is too large or too small, the length of the second grid portion 220 is too large, so that the air loss at the air outlet grid 200 is large when the fan assembly discharges air. When the included angle between the second grid part 220 and the volute tongue 120 is 45-135 degrees, the second grid part 220 has the characteristic of small length, so that the total length of the air outlet grid 200 is small, and the air outlet volume and the air speed of the fan assembly are increased.
Further, in this embodiment, as shown in fig. 1, an included angle between the second grid part 220 and the volute tongue 120 is 80 ° to 100 °, at this time, the second grid part 220 is perpendicular or approximately perpendicular to the volute tongue 120, the length of the second grid part 220 is small, and the total length of the air outlet grid 200 is small, so that the air volume loss caused by the air outlet grid 200 is small, so as to increase the air output and the air outlet speed of the fan assembly.
Further, in the present embodiment, as shown in fig. 1 and fig. 2, an air outlet is formed at the end of the spiral casing 110 and the end of the spiral tongue 120, and an included angle between the first grid portion 210 and a plane where the air outlet is located is 0 ° to 5 °. When the included angle between the first grid portion 210 and the plane where the air outlet is located is too large, the length of the first grid portion 210 is easily too long, and in this embodiment, the first grid portion 210 is parallel or approximately parallel to the plane where the air outlet is located, which is beneficial to making the length of the first grid portion 210 small, thereby reducing the air volume loss caused by the first grid portion 210.
Further, in the present embodiment, as shown in fig. 1, the volute 110 includes an air outlet plate 111 disposed opposite to the volute tongue 120, the first grid part 210 is mounted on the air outlet plate 111, and a length of the first grid part 210 is less than or equal to a minimum distance from the volute tongue 120 to the air outlet plate 111. Specifically, the air outlet grille 200 prevents the object from falling into the volute 110, and prevents the worker from touching the centrifugal wind wheel by mistake, and the air outlet grille 200 also has an effect of guiding the air outlet direction. The first grille part 210 can guide the air outlet direction of the airflow close to the air outlet plate 111, and the second grille part 220 can guide the air outlet direction of the airflow close to the volute tongue 120. The distance from one end of the volute tongue 120 close to the air outlet plate 111 is greater than the distance from one end of the volute tongue 120 close to the centrifugal wind wheel to the air outlet plate 111. The distance from one end of the volute tongue 120 close to the centrifugal wind wheel to the air outlet plate 111 is the minimum distance from the volute tongue 120 to the air outlet plate 111. The length of the first grid part 210 is smaller than or equal to the minimum distance, which is beneficial to preventing the first grid part 210 from interfering the airflow direction close to the volute tongue 120 in the air duct, on the other hand, the length of the first grid part 210 is controlled, and the length of the first grid part 210 is prevented from being too long, so that the second grid part 220 has enough length to guide the airflow direction close to the volute tongue 120 in the air duct, and the length of the air outlet grid 200 is also beneficial to being reduced, so as to increase the air output and the air outlet speed of the fan assembly.
Further, in the present embodiment, as shown in fig. 1 to 4, the grid holes on the second grid portion 220 are disposed opposite to the air outlet. When the centrifugal fan blows air, the air flow of the part of the air outlet of the fan, which is close to the volute tongue 120, is blown along the extending direction of the volute tongue 120, which easily causes uneven air outlet of the air outlet, so that the internal loss of the body of the fan assembly is large. The grille holes of the second grille part 220 can guide the airflow in the air duct close to the volute tongue 120 to be discharged towards the direction opposite to the air outlet, and the first grille part 210 and the second grille part 220 act together, so that the air outlet is discharged towards the air outlet. In this embodiment, the second grid part 220 is installed on the volute tongue 120 at a position closer to the centrifugal wind wheel than the conventional grid, that is, the airflow guided by the conventional grid at a portion close to the volute tongue 120 is guided by the volute tongue 120 to be larger, and the airflow deviation is larger, whereas the airflow guided by the second grid part 220 in this embodiment is smaller, and the airflow deviation is smaller, so that the airflow is easier to be guided. On the other hand, in the embodiment, the second grille part 220 is obliquely arranged, and the projection of the air outlet grille 200 on the plane where the air outlet is located is further away from the volute tongue 120, so that the amount of concentrated air flow from the air outlet to the volute tongue 120 side can be reduced, the air outlet of the air outlet is more uniform, and the internal loss of the blower assembly body is reduced.
The second grid part 220 of the present embodiment is not limited to the above technical solution, and in other embodiments, as shown in fig. 5, the grid holes of the second grid part may extend along the extending direction of the volute tongue. The second grating is used for guiding the airflow passing through the second grating to blow along the extension direction of the volute tongue, so that the air supply range of the fan assembly is enlarged, and the air outlet is more stable.
Further, in this embodiment, as shown in fig. 3, the grille holes of the air outlet grille 200 are hexagonal holes, and the air outlet grille 200 has the characteristics of stable structure and large air outlet area. In this embodiment, the grille holes of the air outlet grille 200 are not limited to the above technical solutions, and in other embodiments, the grille holes of the air outlet grille may be circular, or the grille holes of the air outlet grille may be rectangular, or the grille holes of the air outlet grille may be triangular.
Further, in this embodiment, the side length of the grid hole is 1.5mm to 20 mm. When the side length of the grid hole is too small, the air outlet area of the air outlet grid 200 is reduced due to the too dense holes of the air outlet grid 200, so that the air outlet loss of the fan assembly is large, the air outlet quantity and the air outlet speed of the fan assembly are reduced, and when the side length of the grid hole is too large, the air guide effect of the air outlet grid 200 is poor, and objects easily fall into the volute assembly 100, so that the protection effect is poor. The side length of the grid holes is 1.5 mm-20 mm, the air guide plate has the characteristics of good air guide effect, large air outlet quantity and good protection effect,
further, in this embodiment, as shown in fig. 1, the first grid part 210 and the second grid part 220 are both straight grids, and have a characteristic of facilitating manufacturing and processing of the air outlet grid 200. Of course, the first grid portion 210 and the second grid portion 220 described in this embodiment are not limited to the above technical solutions, and in other embodiments, the first grid portion and the second grid portion may be arc-shaped grids, or the first grid portion and the second grid portion may be curved grids. Specifically, in this embodiment, the volute assembly is formed by splicing a volute housing and a volute cover, the volute housing includes one side plate, and the volute cover includes the other side plate.
The utility model discloses still provide an indoor set of air conditioning, as shown in fig. 6, this indoor set of air conditioning includes the fan subassembly, and the concrete structure of this theme one refers to above-mentioned embodiment, because this indoor set of air conditioning has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Specifically, the air-conditioning indoor unit comprises a casing, wherein an air outlet, an air inlet and an air channel communicated with the air outlet and the air inlet are formed in the casing, a volute component 100 of a fan component is provided with the air inlet, the volute component 100 is used for forming part of the air channel, the air outlet of the fan component is arranged upwards, an axial flow fan is further arranged in the air channel and arranged above the fan component, and the axial flow fan and the fan component are matched for air outlet, so that the air-conditioning indoor unit has the characteristics of large air outlet volume and high air speed.
The utility model discloses still provide an air conditioner, this air conditioner includes the fan subassembly, and the concrete structure of this fan subassembly refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Specifically, the air conditioner may be an integrated machine or a split machine, and specifically, the air conditioner may include an air conditioner outdoor unit and an air conditioner indoor unit, the air conditioner outdoor unit is connected to the air conditioner indoor unit through a refrigerant pipe, and the air conditioner indoor unit includes the fan assembly.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (11)
1. A fan assembly, comprising:
a volute assembly having a volute and a volute tongue;
a centrifugal wind wheel disposed within the volute assembly; and the number of the first and second groups,
the air-out grid is installed the spiral case with between the spiral tongue, the air-out grid includes first grid portion and second grid portion, first grid portion by the spiral case orientation the spiral tongue extends, the one end of second grid portion is connected the extension end of first grid portion, and the orientation the spiral tongue extends, first grid portion with second grid portion is the contained angle setting, second grid portion is located the orientation of first grid portion one side of centrifugal wind wheel.
2. The fan assembly of claim 1 wherein the angle between the second grating portion and the volute tongue is between 45 ° and 135 °.
3. The fan assembly of claim 2 wherein the second grating portion is angled at 80 ° to 100 ° relative to the volute tongue.
4. The fan assembly of claim 1, wherein the volute and the end of the volute tongue form an air outlet, and an included angle between the first grating portion and a plane where the air outlet is located is 0 ° to 5 °.
5. The fan assembly of claim 4, wherein the grill holes of the second grill portion are disposed opposite the outlet.
6. The fan assembly of claim 4, wherein the volute includes a discharge plate disposed opposite the volute tongue, and the first grill portion is mounted to the discharge plate, and the first grill portion has a length less than or equal to a minimum distance from the volute tongue to the discharge plate.
7. The fan assembly of claim 1 wherein the grill holes of the second grill portion extend in a direction of extension of the volute tongue.
8. The fan assembly of any of claims 1 to 7, wherein the grille apertures of the outlet grille are hexagonal apertures.
9. The fan assembly of claim 8 wherein the grid apertures have a side length of 1.5mm to 20 mm.
10. An indoor unit of an air conditioner, comprising the fan assembly according to any one of claims 1 to 9.
11. An air conditioner characterised by comprising a fan assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921841038.6U CN210801396U (en) | 2019-10-29 | 2019-10-29 | Fan subassembly, machine and air conditioner in air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921841038.6U CN210801396U (en) | 2019-10-29 | 2019-10-29 | Fan subassembly, machine and air conditioner in air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210801396U true CN210801396U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921841038.6U Active CN210801396U (en) | 2019-10-29 | 2019-10-29 | Fan subassembly, machine and air conditioner in air conditioning |
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| Country | Link |
|---|---|
| CN (1) | CN210801396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932515A (en) * | 2020-07-14 | 2022-01-14 | 合肥美的电冰箱有限公司 | Volute and refrigeration equipment |
| CN114264062A (en) * | 2020-09-16 | 2022-04-01 | 珠海格力电器股份有限公司 | Rectifying grating, centrifugal fan and wall-mounted air conditioner |
-
2019
- 2019-10-29 CN CN201921841038.6U patent/CN210801396U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932515A (en) * | 2020-07-14 | 2022-01-14 | 合肥美的电冰箱有限公司 | Volute and refrigeration equipment |
| CN113932515B (en) * | 2020-07-14 | 2023-04-28 | 合肥美的电冰箱有限公司 | Spiral case and refrigeration plant |
| CN114264062A (en) * | 2020-09-16 | 2022-04-01 | 珠海格力电器股份有限公司 | Rectifying grating, centrifugal fan and wall-mounted air conditioner |
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