CN210531227U - Impeller and bathroom heater - Google Patents
Impeller and bathroom heater Download PDFInfo
- Publication number
- CN210531227U CN210531227U CN201920955162.9U CN201920955162U CN210531227U CN 210531227 U CN210531227 U CN 210531227U CN 201920955162 U CN201920955162 U CN 201920955162U CN 210531227 U CN210531227 U CN 210531227U
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- impeller
- blades
- hub
- arc
- wheel disc
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- 238000009423 ventilation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an impeller and bathroom heater, this impeller includes: the blade assembly comprises a hub, a first wheel disc and a plurality of blades, wherein the first wheel disc is connected with the hub and extends in the circumferential direction, the blades are arranged on the first wheel disc, the first wheel disc is provided with a first surface, the blades extend outwards from the first surface of the first wheel disc at a preset angle and are arranged at intervals in the circumferential direction of the hub, a flow channel is formed between any two adjacent blades, the width between every two adjacent blades is the width of the flow channel, and at least part of the widths of the two adjacent flow channels are unequal; the blades are arc-shaped blades. Based on the technical scheme provided by the utility model, through optimizing the blade molded lines and the spatial layout of impeller, the noise that has reduced the impeller work and produced has still promoted the ventilation efficiency of the affiliated equipment of impeller.
Description
Technical Field
The utility model relates to a bathroom technical field especially relates to an impeller and bathroom heater.
Background
The impeller is a component for converting wind energy into mechanical energy, and is particularly used as a component for blowing air in electrical appliances. For traditional impeller, its drawback lies in that blade simple structure, impeller upright equidistance setting lead to the blade when high-speed rotatory on the rim plate, and the blade way inner flow channel of blade blocks seriously, forms the vortex, influences the air-out, and produces great noise.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide an impeller and a bath heater which overcome or at least partially solve the above problems.
According to an aspect of the present invention, there is provided an impeller comprising a hub, a first disk connected to the hub and extending in a circumferential direction, and a plurality of blades provided on the first disk, wherein,
the first wheel disc is provided with a first surface, the blades extend outwards from the first surface of the first wheel disc at a preset angle and are arranged at intervals along the circumferential direction of the hub, a flow channel is formed between any two adjacent blades, the width between the two adjacent blades is the width of the flow channel, and the widths of at least part of the two adjacent flow channels are unequal;
the blades are arc-shaped blades.
Optionally, the number of blades is 41-45.
Optionally, the preset angle is 81.22-82 degrees.
Optionally, the vane has an arcuate face having an inlet side, an outlet side; wherein
The included angle between the tangential direction of the inlet side of the arc-shaped surface and the tangential direction of the inlet side of the arc-shaped surface on a circle taking the center of the hub as the center is 70-75 degrees;
the included angle between the tangential direction of the outlet side of the arc-shaped surface and the tangential direction of the outlet side of the arc-shaped surface on a circle with the center of the hub as the center is 110-115 degrees.
Optionally, a distance from an inlet side of the arc-shaped surface of the blade to the center of the hub is an inner diameter of the flow passage, a distance from an outlet side of the arc-shaped surface of the blade to the center of the hub is an outer diameter of the flow passage, and a ratio of the inner diameter to the outer diameter of the flow passage is 0.785-0.83.
According to another aspect of the present invention, there is also provided a super bath, comprising a motor, a bottom frame assembly, an upper cover plate assembly and an impeller as described in any one of the above; wherein,
the impeller and the motor are positioned in a space formed by the bottom frame assembly and the upper cover plate assembly, and the impeller works under the driving of the motor.
The embodiment of the utility model provides an in, the impeller includes wheel hub, be connected and to the first rim plate of circumference extension with wheel hub, set up the blade on first rim plate, wherein, first rim plate has first face, a plurality of blades become the circumference interval arrangement of presetting the outside extension of angle and following wheel hub with the first face of first rim plate, make can reduce the noise that the impeller work produced, and the width inequality of two at least partial adjacent runners, make the rotatory frequency of striking the air of blade different, can be with the noise dispersion, further reach the effect of noise reduction, the blade is the arc blade, than non-arc blade, the wind speed of impeller during operation has obvious reinforcing, the ventilation efficiency of the equipment that the impeller belongs to has been improved greatly.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 shows a front view of an impeller according to an embodiment of the invention;
figure 2 shows a top view of an impeller according to an embodiment of the invention;
fig. 3 shows a perspective view of an impeller according to an embodiment of the invention.
Fig. 4 shows a schematic split view of a super bath according to an embodiment of the present invention.
Description of the drawings: 100. an impeller; 110. a hub; 111. a shaft hole; 112. a channel; 120. a first wheel disc; 130. a blade; 130. the inlet side of the curved face; 130b, the exit side of the arc; 140. a second wheel disc;
200. a bath heater; 210. a motor; 220. a bottom frame assembly; 221. an air inlet; 230. an upper cover plate assembly; 231. an air outlet;
A. presetting an angle; b1, inlet angle; b2, exit angle.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that the technical features of the embodiments and the alternative embodiments of the present invention can be combined with each other without conflict.
In order to solve the technical problem, the embodiment of the utility model provides an impeller, it is shown in combination fig. 1-3, impeller 100 includes wheel hub 110, be connected and to the first rim plate 120 of circumference extension with wheel hub 110, set up a plurality of blades 130 on first rim plate 120, wherein, first rim plate 120 has first face, a plurality of blades 130 are the circumference interval arrangement of presetting angle and outwards extending and following wheel hub 110 from the first face of first rim plate 120, form the runner between two arbitrary adjacent blades 130, width between two adjacent blades 130 is the width of runner, the width inequality of two at least partial adjacent runners, wherein, blade 130 is the arc blade.
The embodiment of the utility model provides an in, a plurality of blades 130 become with the first face of first rim plate 120 and predetermine the angle setting and follow wheel hub 110's circumference interval arrangement, make can reduce the noise that impeller 100 produced in the work, and two runner width inequalities that at least part is adjacent, make the rotatory frequency of hitting the air of blade 130 during operation different, can disperse the noise, further reach the effect of noise reduction, blade 130 is arc blade, than non-arc blade, the wind speed of impeller 100 during operation has obvious reinforcing, the ventilation efficiency of the equipment that the impeller belongs to has been improved greatly.
Referring to fig. 1 to 3, in the present embodiment, a shaft hole 111 is formed in the center of the hub 110 of the impeller 100 for connecting with a driving device, such as a driving motor, for driving the impeller 100 to operate, a motor shaft of the driving motor may be fixedly connected with the impeller 100 based on the shaft hole 111 to drive the impeller 100 to rotate, the impeller 100 preferably further includes a second wheel disc 140, and the plurality of blades 130 are disposed between the first wheel disc 120 and the second wheel disc 140.
Still be formed with a plurality of passageways 112 on the wheel hub 110 of above-mentioned impeller 100, a plurality of passageways 112 can increase the rotational speed of impeller 100 during operation, promote the ventilation efficiency of the affiliated equipment of impeller 100, and the affiliated equipment of impeller 100 can be the fan, the utility model discloses do not specifically limit to it.
In a preferred embodiment, the number of the blades of the impeller 100 is 41 to 45, and each blade 130 is obliquely arranged on the first disk 120 of the impeller 100 at a preset angle of 81.22 to 82 degrees. The blades 130 are obliquely arranged on the first wheel disc 120, so that when the impeller 100 rotates, the blades 130 exert an acting force on the airflow far away from the first wheel disc 120, the gas is prevented from being gathered near the first wheel disc 120, the flowing speed of the gas near the first wheel disc 120 is reduced, the flow speed of the gas in a flow channel is more uniform, the noise generated by the impeller 100 in the working process is reduced, and the ventilation efficiency of equipment to which the impeller 100 belongs is improved.
In a preferred embodiment, the vane 130 has an arc-shaped surface having an inlet side 130a and an outlet side 130B, and the angle between the tangential direction of the inlet side 130a of the arc-shaped surface and the tangential direction of the inlet side 130a of the arc-shaped surface on a circle centered on the center of the hub 110 is 70 ° to 75 ° relative to the inlet angle B1 of the vane 130; the angle between the tangential direction of the outlet side 130B of the arc-shaped face and the tangential direction of the outlet side 130B of the arc-shaped face on a circle centered on the center of the hub 110 is 110 ° to 115 ° of the outlet angle B2 of the blade 130.
In a preferred embodiment, the distance from the inlet side 130a of the arc-shaped surface of the vane 130 to the center of the hub 110 is the inner diameter of the flow channel, the distance from the outlet side 130b of the arc-shaped surface of the vane 130 to the center of the hub 110 is the outer diameter of the flow channel, and the ratio of the inner diameter to the outer diameter of the flow channel is 0.785-0.83.
When the number of the blades of the impeller 100 is 41, the preset angle a is 81.22 °; when the number of the blades is 43, the preset angle A is 81.63 degrees; when the number of the blades is 45, the preset angle a is 82 °. When the number of the blades of the impeller 100 corresponds to the preset angle a and the inner-outer diameter ratio of the flow passage falls within the range, the equipment to which the impeller 100 belongs achieves the highest working efficiency.
In addition, the larger the inlet angle B1 of the blade 130 is, the larger the air volume of the equipment to which the impeller 100 belongs is, and it is known through many experiments that when the inlet angle B1 of the blade 130 is 72 ° and the outlet angle B2 is 113 °, the comprehensive factors such as the air volume, the pressure and the energy efficiency are integrated, and the overall performance of the impeller 100 is optimal.
Based on the same inventive concept, as shown in fig. 4, the embodiment of the present invention further provides a bathroom heater 200, which includes a motor 210, a bottom frame assembly 220, an upper cover plate assembly 230, and an impeller 100 as described in any one of the above, wherein the impeller 100 and the motor 210 are located in a space formed by the bottom frame assembly 220 and the upper cover plate assembly 230, and the impeller 100 is driven by the motor 210 to operate.
Specifically, the super bath 200 is further provided with a heating device such as a PTC heating device, the upper cover plate assembly is provided with an air outlet 231, and the PTC assembly is located at one side of the air outlet 231; an air inlet 221 is formed in a side wall of the bottom frame assembly 220, a fluid guide channel is formed by the air inlet 221 and the air outlet 231, and air fluid generated by the impeller 100 flows out of the air outlet 231 after being heated by the PTC heating device through the fluid guide channel.
Above-mentioned impeller 100 except being applied to the bathroom heater, can also be applied to scavenger fan, cabinet air conditioner, lampblack absorber etc. the utility model discloses do not any restriction to above-mentioned impeller 100's application scene.
The embodiment of the utility model provides an in, the impeller includes wheel hub, be connected and to the first rim plate of circumference extension with wheel hub, set up a plurality of blades on first rim plate, wherein, first rim plate has first face, a plurality of blades are the circumference interval arrangement who predetermines the angle and outwards extend and follow wheel hub with the first face of first rim plate, make can reduce the noise that the impeller work produced, and the width inequality of two adjacent runners of at least part, make the rotatory frequency of hitting the air of blade different, can be with the noise dispersion, further reach the effect of noise reduction, above-mentioned blade is arc blade, than non-arc blade, the wind speed of impeller during operation has obvious reinforcing, the ventilation efficiency of the equipment that the impeller belongs to has been improved greatly.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified or some or all of the technical features can be equivalently replaced within the spirit and principles of the present invention; such modifications and substitutions do not depart from the scope of the present invention.
Claims (6)
1. An impeller, which is characterized by comprising a hub, a first wheel disc connected with the hub and extending towards the circumferential direction, and a plurality of blades arranged on the first wheel disc, wherein,
the first wheel disc is provided with a first surface, the blades extend outwards from the first surface of the first wheel disc at a preset angle and are arranged at intervals along the circumferential direction of the hub, a flow channel is formed between any two adjacent blades, the width between the two adjacent blades is the width of the flow channel, and the widths of at least part of the two adjacent flow channels are unequal;
the blades are arc-shaped blades.
2. The impeller according to claim 1, characterized in that said blades number from 41 to 45.
3. The impeller according to claim 1 or 2, characterized in that said preset angle is 81.22-82 degrees.
4. The impeller according to claim 1 or 2, characterized in that said blades have an arc-shaped face with an inlet side, an outlet side; wherein
The included angle between the tangential direction of the inlet side of the arc-shaped surface and the tangential direction of the inlet side of the arc-shaped surface on a circle taking the center of the hub as the center is 70-75 degrees;
the included angle between the tangential direction of the outlet side of the arc-shaped surface and the tangential direction of the outlet side of the arc-shaped surface on a circle with the center of the hub as the center is 110-115 degrees.
5. The impeller according to claim 4, wherein the distance from the inlet side of the arc-shaped surface of the blade to the center of the hub is the inner diameter of the flow passage, the distance from the outlet side of the arc-shaped surface of the blade to the center of the hub is the outer diameter of the flow passage, and the ratio of the inner diameter to the outer diameter of the flow passage is 0.785-0.83.
6. A super bath comprising a motor, a base frame assembly, an upper cover plate assembly and an impeller according to any one of claims 1 to 5; wherein,
the impeller and the motor are positioned in a space formed by the bottom frame assembly and the upper cover plate assembly, and the impeller works under the driving of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955162.9U CN210531227U (en) | 2019-06-24 | 2019-06-24 | Impeller and bathroom heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955162.9U CN210531227U (en) | 2019-06-24 | 2019-06-24 | Impeller and bathroom heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210531227U true CN210531227U (en) | 2020-05-15 |
Family
ID=70595593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920955162.9U Active CN210531227U (en) | 2019-06-24 | 2019-06-24 | Impeller and bathroom heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210531227U (en) |
-
2019
- 2019-06-24 CN CN201920955162.9U patent/CN210531227U/en active Active
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