CN220269665U - Warm-air drier convenient to even heating - Google Patents
Warm-air drier convenient to even heating Download PDFInfo
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- CN220269665U CN220269665U CN202320798970.5U CN202320798970U CN220269665U CN 220269665 U CN220269665 U CN 220269665U CN 202320798970 U CN202320798970 U CN 202320798970U CN 220269665 U CN220269665 U CN 220269665U
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- fan heater
- driving shaft
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The utility model relates to a fan heater convenient for uniform heating, which comprises a main machine shell, fan blades, a driving shaft and a driving motor, wherein the main machine shell is provided with an air inlet, an air duct and an air outlet; the axis extending direction of the driving shaft forms an included angle of 0.5-5 degrees with the horizontal plane, the driving shaft extends obliquely downwards towards one end of the air outlet, and the fan blades rotate to drive air to flow from the air inlet to the air outlet along the horizontal downward direction through the air channel. The fan heater is arranged through the deflection of the rotating shaft and the fan blades, so that the air blown by the fan heater firstly has downward inclined flowing power, the heating dead angle of the fan heater can be effectively reduced, and the fan heater is beneficial to uniformly heating the surrounding environment and improving the heating efficiency of the space below the air outlet.
Description
Technical Field
The utility model relates to the field of desk type warm air blowers, in particular to a warm air blower convenient for uniform heating.
Background
When the air temperature is low, the warm air blower is used for heating the surrounding environment, so that a plurality of people choose to heat, the heated air expands due to expansion caused by heat and contraction caused by cold, and the density of the heated air is reduced, so that the rising of the heated air and the falling of the cooled air are reduced; i.e. the main moving direction of the hot air blown out by the warm air blower is upward. Therefore, the warm-air drier placed at the low position is more beneficial to the temperature rise of the low-position space, and the desk warm-air drier obviously has better temperature rising effect compared with the ceiling warm-air drier.
In the prior art, as shown in fig. 3 of the specification, the axis extending direction of the rotating shaft of the fan blade of the conventional fan heater (such as a fan heater disclosed by application number 201811061906.9) is mostly parallel to the horizontal plane, so that the air blown by the fan heater moves along the horizontal direction, then flows obliquely upwards, and the flowing direction of the air before entering the fan heater and after being blown by the fan heater is shown as the dotted line of fig. 3. Therefore, most of the air blown by the fan heater is difficult to reach the space below the air outlet. Because desk-top electric fan heater often carries in high position such as seat or desktop, electric fan heater obviously has great warm braw dead angle this moment, is unfavorable for the even heating of electric fan heater to surrounding environment.
Disclosure of Invention
The utility model provides a warm air blower convenient for uniform heating, which aims to solve the problems that the existing desk type warm air blower has larger heating dead angle below an air outlet and is easy to cause nonuniform heating to surrounding environment.
The utility model adopts the following technical scheme:
the fan heater convenient for uniform heating comprises a main machine shell, fan blades, a driving shaft, a driving motor and a power supply, wherein the driving motor is connected with the power supply; the main shell is provided with an air inlet, an air duct and an air outlet, the fan blades are assembled in the air duct, and the driving motor drives the driving shaft to drive the fan blades to do fixed-axis rotation; the method is characterized in that: the axis extending direction of the driving shaft forms an included angle of 0.5-5 degrees with the horizontal plane, the driving shaft extends obliquely downwards towards one end of the air outlet, and the fan blades rotate to drive air to flow from the air inlet to the air outlet along the horizontal downward direction through the air channel.
Further improved, the main casing is fixedly provided with a heating component, the heating component is arranged between the fan blade and the air outlet, and the heating component is used for heating air flowing through.
Further improved, the main machine shell comprises an air inlet net cover, a rear shell, a front shell and an air outlet net cover which are sequentially connected and assembled into a whole, and the fan blades and the heating component are assembled in the air duct formed by the front shell and the rear shell.
Further improved, the heating component comprises a PTC heating sheet and a PTC fixing frame, wherein the PTC heating sheet is fixedly arranged on the PTC fixing frame and is connected with the power supply; the PTC fixing frame is fixedly arranged on the inner side wall of the front shell.
Further improved, the axis extending direction of the driving shaft and the horizontal plane form an included angle of 1.5-4 degrees; specifically, the axis extending direction of the driving shaft forms an included angle of 2.0 degrees, 2.5 degrees, 2.8 degrees, 3.0 degrees, 3.2 degrees, 3.5 degrees or 4.0 degrees with the horizontal plane.
As can be seen from the above description of the structure of the present utility model, compared with the prior art, the present utility model has the following advantages: this electric fan heater passes through the deflection setting of rotation axis and flabellum for the wind that the electric fan heater blows out has the power of inclined downward flow at first, can effectively reduce the heating dead angle of electric fan heater, is favorable to the electric fan heater to the surrounding environment realization even heating with improve the intensification efficiency in air outlet below space, makes desk-top electric fan heater's use not limited to place subaerial, thereby better satisfies the various user demands of carrying of different high positions.
Drawings
Fig. 1 is a schematic sectional view of a fan heater according to an embodiment.
Fig. 2 is an exploded view of the fan heater according to the embodiment.
Fig. 3 is a schematic sectional view of a fan heater according to the background art.
Detailed Description
Specific embodiments of the present utility model will be described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the fan heater convenient for uniform heating comprises a main casing 1, fan blades 2, a driving shaft 3, a driving motor 4 and a power supply 5, wherein the driving motor 4 is connected with the power supply 5; the main casing 1 is provided with an air inlet 101, an air duct 102 and an air outlet 103, the fan blades 2 are assembled in the air duct 102, and the driving motor 4 drives the driving shaft 3 to drive the fan blades 2 to perform a rotation action of which the axes are basically fixed at the same position. The main housing 1 is fixedly provided with a heating component 6, the heating component 6 is arranged between the fan blade 2 and the air outlet 103, and the heating component 6 is used for heating air flowing through. The main machine shell 1 comprises an air inlet net cover 11, a rear shell 12, a front shell 13 and an air outlet net cover 14 which are sequentially connected and assembled into a whole, and the fan blades 2 and the heating components 6 are assembled in the air duct 102 formed by the front shell 13 and the rear shell 12 in a surrounding mode. The heating component 6 comprises a PTC heating piece 61 and a PTC fixing frame 62, the PTC heating piece 61 is fixedly arranged on the PTC fixing frame 62, and the PTC heating piece 61 is connected with the power supply 5; the PTC holder 62 is fixedly installed on the inner side wall of the front case 13. The axis extending direction of the driving shaft 3 forms an included angle of 0.5-5 degrees with the horizontal plane, and preferably, the axis extending direction of the driving shaft 3 forms an included angle of 1.5-4 degrees with the horizontal plane; specifically, the axis extending direction of the driving shaft 3 forms an included angle of 2.0 °, 2.5 °, 2.8 °, 3.0 °, 3.2 °, 3.5 ° or 4.0 ° with the horizontal plane. The driving shaft 3 extends downwards obliquely towards one end of the air outlet 103, and the fan blades 2 rotate to drive air to flow from the air inlet 101 to the air outlet 103 along the horizontal downward direction through the air duct 102; the direction of flow of air before entering and after being blown out by the fan heater is shown in phantom in fig. 1.
With continued reference to fig. 1 and 2, the fan heater is provided with the rotating shaft and the fan blades 2 in a deflection manner, so that the air blown by the fan heater firstly has downward inclined flowing power, the heating dead angle of the fan heater can be effectively reduced, the fan heater is favorable for uniformly heating the surrounding environment and improving the heating efficiency of the space below the air outlet 103, and the desk fan heater is not limited to be placed on the ground, so that various use requirements of the placement at different height positions are better met.
The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.
Claims (6)
1. The fan heater convenient for uniform heating comprises a main machine shell, fan blades, a driving shaft, a driving motor and a power supply, wherein the driving motor is connected with the power supply; the main shell is provided with an air inlet, an air duct and an air outlet, the fan blades are assembled in the air duct, and the driving motor drives the driving shaft to drive the fan blades to do fixed-axis rotation; the method is characterized in that: the axis extending direction of the driving shaft forms an included angle of 0.5-5 degrees with the horizontal plane, the driving shaft extends obliquely downwards towards one end of the air outlet, and the fan blades rotate to drive air to flow from the air inlet to the air outlet along the horizontal downward direction through the air channel.
2. A fan heater for facilitating uniform heating as claimed in claim 1, wherein: the main machine shell is fixedly provided with a heating component which is arranged between the fan blade and the air outlet, and the heating component is used for heating air flowing through.
3. A fan heater for facilitating uniform heating as claimed in claim 2, wherein: the main machine shell comprises an air inlet net cover, a rear shell, a front shell and an air outlet net cover which are sequentially connected and assembled into a whole, and the fan blades and the heating component are assembled in the air duct enclosed by the front shell and the rear shell.
4. A fan heater for uniform heating according to claim 3 and wherein: the heating component comprises a PTC heating piece and a PTC fixing frame, wherein the PTC heating piece is fixedly arranged on the PTC fixing frame and is connected with the power supply; the PTC fixing frame is fixedly arranged on the inner side wall of the front shell.
5. A fan heater for facilitating uniform heating as claimed in claim 1, wherein: the axis extending direction of the driving shaft forms an included angle of 1.5-4 degrees with the horizontal plane.
6. A fan heater for facilitating uniform heating as claimed in claim 1, wherein: the axis extending direction of the driving shaft forms an included angle of 2.0 degrees, 2.5 degrees, 2.8 degrees, 3.0 degrees, 3.2 degrees, 3.5 degrees or 4.0 degrees with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798970.5U CN220269665U (en) | 2023-04-12 | 2023-04-12 | Warm-air drier convenient to even heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320798970.5U CN220269665U (en) | 2023-04-12 | 2023-04-12 | Warm-air drier convenient to even heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220269665U true CN220269665U (en) | 2023-12-29 |
Family
ID=89302460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320798970.5U Active CN220269665U (en) | 2023-04-12 | 2023-04-12 | Warm-air drier convenient to even heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220269665U (en) |
-
2023
- 2023-04-12 CN CN202320798970.5U patent/CN220269665U/en active Active
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