CN209943203U - Centrifugal wind wheel and heater adopting same - Google Patents
Centrifugal wind wheel and heater adopting same Download PDFInfo
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- CN209943203U CN209943203U CN201920675318.8U CN201920675318U CN209943203U CN 209943203 U CN209943203 U CN 209943203U CN 201920675318 U CN201920675318 U CN 201920675318U CN 209943203 U CN209943203 U CN 209943203U
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Abstract
The utility model relates to a room heater technical field especially relates to a centrifugal wind wheel and adopt room heater of this centrifugal wind wheel. The inner cavity of the volute is provided with a wind wheel assembly which comprises a wind wheel turntable, a plurality of blades which are arranged at intervals are arranged on two sides of the wind wheel turntable, and the top surface of each blade inclines towards the direction far away from the axis of the wind wheel turntable; each top surface of the blade on the same side is fixedly connected with a wind wheel cap, a gap is reserved between the mounting plate and the wind wheel cap adjacent to the mounting plate, and a gap is reserved between the wind wheel cap and the wind wheel cap adjacent to the mounting plate; because gaps (namely included angles) are reserved between the top surfaces of the blades on the same side and the adjacent wind wheel caps, the wind wheel has larger air output and lower noise level; in addition, the arrangement of the included angle is also beneficial to optimizing an air flow field, and the noise is further reduced.
Description
Technical Field
The utility model relates to a room heater technical field especially relates to a centrifugal wind wheel.
Background
In the field of heaters, a conventional side air suction duct is also called a centrifugal duct and is often used in combination with a PTC heating element assembly, which is a thermistor (the characteristic that resistivity increases with temperature), and is often used in a vertical desktop fan heater and a dual-purpose bath fan heater. The traditional side air suction duct can make the size of the shell of the volute far larger than that of the air outlet or improve the rotating speed of the motor to improve the wind speed. Although the flow velocity of wind can be improved, the wind wheel is greatly vibrated, the abrasion of a rotating shaft of the motor is accelerated, and the noise of the whole machine is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a centrifugal wind wheel to solve the problem that current centrifugal wind wheel can't possess great amount of wind and lower noise simultaneously.
The utility model provides a centrifugal wind wheel, include:
the volute comprises a mounting plate provided with an air inlet and an air duct cover shell, wherein the side wall of the air duct cover shell is provided with an air outlet, and the mounting plate and the air duct cover shell jointly enclose a volute inner cavity;
the wind wheel component is arranged in the inner cavity of the volute and comprises a wind wheel rotating disc, a plurality of blades which are arranged at intervals are arranged on two sides of the wind wheel rotating disc, and the top surface of each blade inclines towards the direction far away from the axis of the wind wheel rotating disc;
each top surface of the blades on the same side is fixedly connected with a wind wheel cap, a gap is reserved between the mounting plate and the wind wheel cap adjacent to the mounting plate, and a gap is reserved between the wind wheel cap and the wind wheel cap adjacent to the mounting plate;
and the motor is arranged on the air duct cover shell, and a rotating shaft of the motor is connected with the wind wheel rotating disc so as to drive each blade to rotate.
Wherein, still include:
the first diversion pressure increasing ring is arranged between one end of the wind wheel component and the mounting plate, and a gap is reserved between the first diversion pressure increasing ring and the wind wheel cap adjacent to the first diversion pressure increasing ring;
and the second flow guide pressurizing ring is arranged between the other end of the wind wheel component and the wind channel cover shell, and a gap is reserved between the second flow guide pressurizing ring and the wind wheel cover adjacent to the second flow guide pressurizing ring.
The first diversion pressure ring comprises an annular first diversion main body and a first diversion air guiding part formed by extending the inner side of the first diversion main body, the first diversion air guiding part is arc-shaped and faces the direction of the mounting plate, and a gap is reserved between the first diversion pressure ring and the first diversion air guiding part.
The second flow guide and pressurization ring comprises an annular second flow guide main body and a second flow guide and air guide part formed by extending the inner side of the second flow guide main body, the second flow guide and air guide part is arc-shaped and faces the direction of the air duct cover shell, and a gap is reserved between the second flow guide and pressurization ring and the second flow guide and air guide part.
Wherein, each blade is fixed in the wind wheel turntable by ultrasonic welding.
Wherein, still including establishing PTC heat-generating body subassembly in air outlet department.
The PTC heating element assembly is characterized by further comprising an air guide plate arranged at the air outlet, and the air guide plate guides air generated by the air wheel assembly to the PTC heating element assembly.
Another object of the utility model is to provide a heating machine to realize the heating machine on the basis of guaranteeing the air output, reduce tuber pipe machine's noise.
The utility model provides a warmer, it includes foretell centrifugal wind wheel.
The utility model has the advantages that: the wind wheel assembly is arranged in the inner cavity of the volute and comprises a wind wheel rotating disc, a plurality of blades which are arranged at intervals are arranged on two sides of the wind wheel rotating disc, and the top surface of each blade inclines towards the direction far away from the axis of the wind wheel rotating disc; each top surface of the blade on the same side is fixedly connected with a wind wheel cap, a gap is reserved between the mounting plate and the wind wheel cap adjacent to the mounting plate, and a gap is reserved between the wind wheel cap and the wind wheel cap adjacent to the mounting plate; because gaps (namely included angles) are reserved between the top surfaces of the blades on the same side and the adjacent wind wheel caps, the wind wheel has larger air output and lower noise level; in addition, the arrangement of the included angle is also beneficial to optimizing an air flow field, and the noise is further reduced.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is an exploded view of the centrifugal wind wheel of the present invention.
Fig. 2 is a sectional view of the centrifugal wind wheel of the present invention after assembly.
Fig. 3 is an exploded view of the inventive wind wheel assembly.
Fig. 4 is a sectional view of the wind wheel assembly of the present invention after assembly.
Included in fig. 1 to 4 are: 1-volute casing, 11-mounting plate, 12-air duct cover casing, 2-air wheel assembly, 21-air wheel turntable, 22-air wheel cover, 23-blade, 231-top surface, 3-motor, 41-first guide and pressure increasing ring, 411-first guide main body, 412-first guide and draught part, 42-second guide and pressure increasing ring, 421-second guide main body, 422-second guide and draught part, 5-PTC heating element assembly, 6-air deflector, 7-air inlet, 8-air outlet.
Detailed Description
The invention will be further described with reference to the following examples.
The utility model provides a centrifugal wind wheel, as shown in fig. 1 to fig. 4, include:
the volute 1 comprises a mounting plate 11 provided with an air inlet 7 and an air duct cover shell 12, the side wall of the air duct cover shell 12 is provided with an air outlet 8, and the mounting plate 11 and the air duct cover shell 12 jointly enclose a volute inner cavity;
the wind wheel assembly 2 arranged in the inner cavity of the volute comprises a wind wheel rotating disc 21, a plurality of blades 23 arranged at intervals are arranged on two sides of the wind wheel rotating disc 21, the top surface 231 of each blade 23 inclines towards the direction far away from the axis of the wind wheel rotating disc 21, namely the length of each blade 23 is gradually reduced from the direction far away from the axis of the wind wheel rotating disc 21;
each top surface 231 of the blades 23 on the same side is fixedly connected with a wind wheel cap 22, the blades 23 on the same side are better stabilized together by the wind wheel caps 22, a gap is reserved between the mounting plate 11 and the adjacent wind wheel cap 22, and a gap is reserved between the wind wheel cap 22 and the adjacent wind wheel cap 22;
install the motor 3 at wind channel lid shell 12, the wind wheel carousel 21 is connected to the pivot of motor 3 adoption interference fit's mode to drive each blade 23 and rotate.
Because gaps (namely included angles) are reserved between the top surfaces 231 of the blades 23 on the same side and the adjacent wind wheel cap 22, the wind wheel has larger air output and lower noise level; in addition, the arrangement of the included angle is also beneficial to optimizing an air flow field, and the noise is further reduced.
In the utility model, a first diversion pressure increasing ring 41 is arranged between one end of the wind wheel component 2 and the mounting plate 11, and a gap is reserved between the first diversion pressure increasing ring 41 and the adjacent wind wheel cap 22; a second diversion pressure increasing ring 42 is arranged between the other end of the wind wheel component 2 and the wind channel cover shell 12, and a gap is reserved between the second diversion pressure increasing ring 42 and the wind wheel cover 22 adjacent to the second diversion pressure increasing ring 42. Set up water conservancy diversion pressure boost circle in the left and right sides of wind wheel subassembly 2, effectively improve the wind that the wind wheel was inhaled and form the biggest kinetic energy and blow off wind (improve the wind speed that the wind wheel jetted out, can guarantee that the wind speed in different amount of wind fields is more even simultaneously), reach the optimum and let the amount of wind field more even with centrifugal wind wheel efficiency, thereby the wind of having avoided a large amount of centrifugal wind wheels of inhaleing beats at the spiral case inner chamber and changes and has increased the noise, reduce centrifugal wind wheel's overall dimension again, the output of motor 3 has been reduced, the life of motor 3 has been prolonged.
Preferably, the first flow guiding and pressurizing ring 41 includes a first flow guiding main body 411 in an annular shape and a first flow guiding and air guiding portion 412 formed by extending inside the first flow guiding main body 411, the first flow guiding and air guiding portion 412 is in an arc shape and is disposed toward the mounting plate 11, and a gap is left between the first flow guiding and pressurizing ring 41 and the first flow guiding and air guiding portion 412. The second flow guiding and pressurizing ring 42 includes an annular second flow guiding main body 421 and a second flow guiding and air guiding portion 422 formed by extending the inner side of the second flow guiding main body 421, the second flow guiding and air guiding portion 422 is arc-shaped and is arranged towards the air duct cover shell 12, and a gap is left between the second flow guiding and pressurizing ring 42 and the second flow guiding and air guiding portion 422. The arrangement of the first diversion air guiding part 412 and the second diversion air guiding part 422 effectively improves the air inlet effect of the air inlet 7, and avoids the harsh noise generated by the volute casing 1 due to unbalanced wind force when in use.
To prevent noise caused by the gap vortex of each blade 23, each blade 23 is fixed to the rotor disc 21 by ultrasonic welding.
The utility model discloses in, 8 departments of air outlet are provided with PTC heat-generating body subassembly 5 and aviation baffle 6, and 6 air direction PTC heat-generating body subassemblies 5 that wind wheel subassembly 2 produced of aviation baffle.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A centrifugal wind wheel, comprising:
the volute comprises a mounting plate provided with an air inlet and an air duct cover shell, wherein the side wall of the air duct cover shell is provided with an air outlet, and the mounting plate and the air duct cover shell jointly enclose a volute inner cavity;
the wind wheel component is arranged in the inner cavity of the volute and comprises a wind wheel rotating disc, a plurality of blades which are arranged at intervals are arranged on two sides of the wind wheel rotating disc, and the top surface of each blade inclines towards the direction far away from the axis of the wind wheel rotating disc;
each top surface of the blades on the same side is fixedly connected with a wind wheel cap, a gap is reserved between the mounting plate and the wind wheel cap adjacent to the mounting plate, and a gap is reserved between the wind wheel cap and the wind wheel cap adjacent to the mounting plate;
the motor is arranged on the air duct cover shell, and a rotating shaft of the motor is connected with the wind wheel rotating disc.
2. A centrifugal wind wheel according to claim 1, further comprising:
the first diversion pressure increasing ring is arranged between one end of the wind wheel component and the mounting plate, and a gap is reserved between the first diversion pressure increasing ring and the wind wheel cap adjacent to the first diversion pressure increasing ring;
and the second flow guide pressurizing ring is arranged between the other end of the wind wheel component and the wind channel cover shell, and a gap is reserved between the second flow guide pressurizing ring and the wind wheel cover adjacent to the second flow guide pressurizing ring.
3. The centrifugal wind wheel according to claim 2, wherein the first flow guiding and pressurizing ring includes a first flow guiding main body in an annular shape and a first flow guiding and air inducing portion formed by extending inside the first flow guiding main body, the first flow guiding and air inducing portion is in an arc shape and is disposed toward the mounting plate, and a gap is left between the first flow guiding and pressurizing ring and the first flow guiding and air inducing portion.
4. The centrifugal wind wheel according to claim 3, wherein the second air guiding and pressurizing ring includes a second annular air guiding main body and a second air guiding and guiding portion formed by extending inside the second air guiding main body, the second air guiding and guiding portion is arc-shaped and disposed toward the air duct cover shell, and a gap is left between the second air guiding and pressurizing ring and the second air guiding and guiding portion.
5. A centrifugal wind wheel according to any of claims 1-4, where the blades are fixed to the rotor disc by ultrasonic welding.
6. The centrifugal wind wheel according to any of claims 1 to 4, further comprising a PTC heater assembly provided at the air outlet.
7. The centrifugal wind wheel according to claim 6, further comprising a wind deflector provided at the wind outlet, wherein the wind deflector guides the air generated by the wind wheel assembly to the PTC heater assembly.
8. A centrifugal wind wheel according to any of claims 1-4, where the motor is a shaded pole asynchronous motor.
9. A warmer, characterized by comprising a centrifugal wind wheel according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675318.8U CN209943203U (en) | 2019-05-13 | 2019-05-13 | Centrifugal wind wheel and heater adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920675318.8U CN209943203U (en) | 2019-05-13 | 2019-05-13 | Centrifugal wind wheel and heater adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943203U true CN209943203U (en) | 2020-01-14 |
Family
ID=69132341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920675318.8U Active CN209943203U (en) | 2019-05-13 | 2019-05-13 | Centrifugal wind wheel and heater adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943203U (en) |
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2019
- 2019-05-13 CN CN201920675318.8U patent/CN209943203U/en active Active
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