CN211950970U

CN211950970U - Wind wheel and electric heater

Info

Publication number: CN211950970U
Application number: CN202020550031.5U
Authority: CN
Inventors: 唐绍科; 谢瑞良
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-17
Anticipated expiration: 2030-04-14

Abstract

The utility model provides a wind wheel and electric heater, include: a rotating shaft; the rotating shaft is arranged at the center positions of the first shaft cover and the second shaft cover; the blades are arranged between the first shaft cover and the second shaft cover, and the blades which are parallel to each other are arranged between the first shaft cover and the second shaft cover and along the length direction of the rotating shaft, the blades and the included angle between the rotating shafts are larger than 0 degree and smaller than or equal to 20 degrees. Each blade of wind wheel sets up to the pivot length direction slope setting along this wind wheel, can make this wind wheel at the during operation for the kind and the frequency of the noise that each position produced on same blade are diversified, and the kind of the noise when making the wind wheel operation is more, the frequency range is wider, thereby avoids the noise stack of the same kind and frequency and the resonance peak value that brings, has avoided the frequency of noise to concentrate promptly, has reduced noise intensity.

Description

Wind wheel and electric heater

Technical Field

The utility model relates to a wind wheel technical field, concretely relates to wind wheel that noise level is less in the course of the work and contain its electric heater.

Background

The electric heater is used as clean heating equipment and is more and more extensive in the market, and the warm air blower is used as a forced convection heating electric heater product, so that the electric heater is fast in heating and convenient to use and is loved by users; but the noise of current electric fan heater during operation is generally higher, simultaneously because the wind wheel uses in high temperature environment for a long time, easy deformation, short service life scheduling problem has influenced the quality of product and user's use comfort.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the wind wheel of the electric fan heater among the prior art and producing the defect of noise easily in the course of the work.

Therefore, the utility model provides a wind wheel, include: a rotating shaft; the rotating shaft is arranged at the center positions of the first shaft cover and the second shaft cover; a plurality of parallel blade sets up first shaft cover with between the second shaft cover, follow the length direction of pivot, arbitrary the blade with the scope of the contained angle between the pivot is greater than 0 degree and less than or equal to 20 degrees.

The utility model provides a wind wheel, the blade with the scope more than or equal to 10 degrees and less than or equal to 15 degrees of contained angle between the pivot.

The utility model provides a wind wheel, the blade with contained angle between the pivot is 10 degrees.

The utility model provides a wind wheel follows the length direction of pivot, be provided with at least one fixed plate on the blade, a plurality of is connected simultaneously to the fixed plate the blade.

The utility model provides a wind wheel, adjacent two be provided with the blade between the fixed plate respectively, just the blade with the scope of contained angle between the pivot is greater than 0 degree and less than or equal to 20 degrees.

The utility model provides a wind wheel, the quantity of fixed plate is odd number, is located central part the fixed plate both sides the blade symmetry sets up.

The utility model provides a wind wheel, the blade adopts aluminium to make.

The utility model discloses provide an electric heater simultaneously, include: the main shell is internally provided with an air outlet grille and a heating device; the motor is provided with the wind wheel provided by the utility model and is arranged inside the main shell; the motor and the wind wheel are arranged in the volute.

One end of the volute is provided with an accommodating part, the accommodating part is provided with a rotating seat, and the center of the rotating seat is provided with a connecting hole suitable for placing the rotating shaft.

The other end of the volute is provided with a motor support, and the motor is installed on the volute through the motor support.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a wind wheel, include: a rotating shaft; the rotating shaft is arranged at the center positions of the first shaft cover and the second shaft cover; a plurality of parallel blade sets up first shaft cover with between the second shaft cover, follow the length direction of pivot, arbitrary the blade with the scope of the contained angle between the pivot is greater than 0 degree and less than or equal to 20 degrees.

Each blade of wind wheel sets up to the pivot length direction slope setting along this wind wheel, can make this wind wheel at the during operation, each position on same blade can be in the different time through the minimum clearance between wind wheel and the spiral case, make the kind and the frequency of the noise that each position produced diversified on the same blade, make the kind of the noise when the wind wheel operates more, the frequency range is wider, thereby avoid the same kind and the noise superposition of frequency and the resonance peak value that brings, the frequency concentration of noise has been avoided promptly, noise intensity is reduced, and then the operating noise of electric fan heater has been reduced, user's use comfort has been improved.

2. The utility model provides a wind wheel follows the length direction of pivot, be provided with at least one fixed plate on the blade, a plurality of is connected simultaneously to the fixed plate the blade.

Through setting up the fixed plate, can connect a plurality of blades as an organic whole to ensure the stability of blade in rotating the constitution, and then improve the air-out effect.

3. The utility model provides a wind wheel, the quantity of fixed plate is odd number, is located central part the fixed plate both sides the blade symmetry sets up.

Through foretell mode of setting up, can offset the vibration that the blade that is located the fixed plate both sides of central point position produced each other to further improve the holistic noise reduction effect of wind wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described 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 creative efforts.

Fig. 1 is a first schematic structural diagram of the wind wheel provided by the present invention;

fig. 2 is a second schematic structural view of the wind wheel provided by the present invention;

fig. 3 is an exploded view between the wind wheel and the rotating base provided by the present invention;

fig. 4 is a schematic view of the assembly between the wind wheel and the volute provided by the present invention;

fig. 5 is a schematic structural view of the electric heater provided by the present invention.

Description of reference numerals:

1-a main housing; 2-air outlet grille; 3, a motor; 4-a heating device; 5-a volute; 51-an accommodation portion; 6-rotating the seat; 7-a motor bracket; 8-a rotating shaft; 9-a first shaft cover; 10-a second shaft cover; 11-a blade; 12-fixing the plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment provides a wind turbine, as shown in fig. 1, including:

the rotating shaft 8 is made of metal materials or high-temperature-resistant plastic materials, is arranged in a cylindrical shape, and is suitable for acting with an output shaft of the motor 3 to rotate under the driving of the motor 3;

relative first shaft cover 9 and the second shaft cover 10 that sets up, pivot 8 sets up first shaft cover 9 with the central point of second shaft cover 10 puts, and the centre of a circle position of first shaft cover 9 and second shaft cover 10 is provided with the through-hole, and the both ends of pivot 8 are connected respectively on the through-hole of first shaft cover 9 and second shaft cover 10, and it can adopt the tight connection that rises, also can adopt glue to connect, and after the rotation takes place to rotate as rotating, pivot 8 drives first shaft cover 9 and second shaft cover 10 and rotates. The first shaft cover 9 and the second shaft cover 10 are arranged in a circular shape, and may be made of metal or high temperature resistant plastic.

A plurality of parallel blades 11 are arranged between the first shaft cover 9 and the second shaft cover 10, and along the length direction of the rotating shaft 8, the included angle between any one blade and the rotating shaft is larger than 0 degree and less than or equal to 20 degrees. Specifically, as shown in FIG. 1, the angle α between the blade 11 and the longitudinal axis or axis 8 is greater than 0 degrees and equal to or less than 20 degrees.

The blade 11 itself may be provided in the form of a sheet, in which case the blade 11 itself is in the form of a flat plate. As a variant, the blade 11 itself may also have a certain curvature, for example convex towards the direction of rotation of the blade 11. As another embodiment, the blade 11 itself may be gradually twisted along the length direction, and the blade may be arranged like a twist, in which case the included angle of one end of the blade 11 projected on the other end of the blade 11 ranges from 1 degree to 40 degrees. In this embodiment, the material of the blade 11 itself is not limited, but as a preferred embodiment, it is made of metal aluminum, which has good heat dissipation performance, so that deformation can be avoided when it is used for a long time, and as a modification, metal such as iron or copper may be used, but the weight of other metal is higher than that of aluminum, which easily causes an increase in energy consumption.

In the wind wheel provided by the embodiment, the included angle between the blade and the rotating shaft 8 is greater than or equal to 10 degrees and less than or equal to 15 degrees. In a preferred embodiment, the included angle is 10 degrees.

The wind wheel that this embodiment provided, follow the length direction of pivot 8, be provided with at least one fixed plate 12 on the blade 11, fixed plate 12 with pivot 8 sets up perpendicularly, is provided with the through-hole at the central point of fixed plate 12, and pivot 8 is connected on fixed plate 12 through this through-hole, and simultaneously, is connected through rising and tightly or glue between through-hole and the pivot 8, fixed plate 12 connects a plurality of simultaneously blade 11. Through setting up fixed plate 12, can connect a plurality of blades 11 as an organic whole to ensure the stability of blade 11 in rotating the constitution, and then improve the air-out effect.

Specifically, the fixing plate 12 itself is made of metal or high temperature resistant plastic, and the blade 11 can be directly embedded into the fixing plate 12 or be connected to the fixing plate 12 in an adhesive manner.

In the present embodiment, as shown in fig. 1 and 2, the vane 11 may be divided into a plurality of small segments, or may be a whole segment that abuts between the first shaft cover 9 and the second shaft cover 10. As a preferred embodiment, in this embodiment, the blade 11 is divided into a plurality of segments, in each segment, the blade 11 is respectively disposed between two adjacent fixing plates 12, the plurality of blades 11 are also parallel to each other, and the range of the included angle between any one blade 11 and the rotating shaft 8 is greater than 0 degree and less than or equal to 20 degrees.

In this embodiment, as shown in fig. 2, the number of the fixing plates 12 is odd, and the blades 11 located at both sides of the fixing plate 12 at the central portion are symmetrically arranged with respect to the fixing plate 12 located at the most center. Through the arrangement mode, the vibration generated by the blades 11 on the two sides of the fixing plate 12 positioned at the central part can be mutually offset, so that the integral noise reduction effect of the wind wheel is further improved.

For example, as shown in fig. 2, when the number of the fixing plates 12 is three, the three fixing plates 12 and the first shaft cover 9 and the second shaft cover 10 divide the blades 11 into four segments, and the fixing plate 12 located at the central portion will be used as a dividing point, and the blades 11 located at both sides of the dividing point are symmetrically arranged.

Example 2

The present embodiment provides an electric radiator, as shown in fig. 3, 4 and 5, including: main casing body 1, inside air-out grid 2 and the heating device 4 of being provided with, heating device 4 self adopts the slice resistance wire to make, and heating device 4 generates heat after the circular telegram, and the wind wheel rotates the wind current that produces and flows through heating device 4 surfaces this moment, exports to the external world through air-out grid 2 with hot-blast.

The motor 3 is provided with the wind wheel provided by the embodiment 1 and is arranged inside the main shell 1; the volute 5, the motor 3 and the wind wheel are arranged in the volute 5.

Specifically, one end of the volute 5 is provided with an accommodating part 51, the accommodating part 51 is provided with a rotating seat 6, and the center of the rotating seat 6 is provided with a connecting hole suitable for placing the rotating shaft 8. As shown in fig. 4, the accommodating portion 51 is disposed at a left position of the scroll casing 5, and pushes the rotary holder 6 from the middle of the scroll casing 5 to the left into the accommodating chamber when the rotary holder 6 needs to be mounted.

Meanwhile, a motor bracket 7 is arranged at the other end of the volute 5, as shown in fig. 4, the motor bracket 7 is arranged at the right side of the volute 5, and the motor 3 is mounted on the volute 5 through the motor bracket 7.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A wind turbine, comprising:

a rotating shaft (8);

the rotating shaft (8) is arranged at the center positions of the first shaft cover (9) and the second shaft cover (10);

a plurality of parallel blade (11) each other sets up first shaft cover (9) with between second shaft cover (10), follow the length direction of pivot (8), arbitrary blade (11) with the scope of the contained angle between pivot (8) is greater than 0 degree and less than or equal to 20 degrees.

2. The wind rotor according to claim 1, characterized in that the angle between the blades (11) and the axis of rotation (8) ranges from 10 degrees to 15 degrees.

3. The wind rotor according to claim 2, characterized in that the angle between the blades (11) and the axis of rotation (8) is 10 degrees.

4. The wind wheel according to any of the claims 1-3, characterized in that at least one fixing plate (12) is arranged on the blades (11) along the length direction of the shaft (8), and the fixing plate (12) is connected with a plurality of blades (11) at the same time.

5. The wind wheel according to claim 4, characterized in that blades (11) are respectively arranged between two adjacent fixing plates (12), and the range of the included angle between the blade (11) and the rotating shaft (8) is greater than 0 degree and less than or equal to 20 degrees.

6. The wind wheel according to claim 5, characterized in that the number of the fixed plates (12) is odd, and the blades (11) located at both sides of the fixed plate (12) at the center are symmetrically arranged.

7. Wind rotor according to claim 1, characterised in that the blades (11) are made of aluminium.

8. An electric heater, comprising:

the air conditioner comprises a main shell (1), an air outlet grille (2) and a heating device (4) are arranged in the main shell;

-an electric machine (3) on which the wind wheel according to any of claims 1-7 is arranged, inside the main housing (1);

the volute (5), the motor (3) and the wind wheel are arranged in the volute (5).

9. The electric heater according to claim 8, characterized in that one end of the volute (5) is provided with a receiving portion (51), the receiving portion (51) is provided with a rotating seat (6), and the center of the rotating seat (6) is provided with a connecting hole suitable for placing the rotating shaft (8).

10. The electric heater according to claim 9, wherein a motor bracket (7) is provided at the other end of the volute (5), and the motor (3) is mounted on the volute (5) through the motor bracket (7).