CN113915166B - Blowing method of fan - Google Patents
Blowing method of fan Download PDFInfo
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- CN113915166B CN113915166B CN202111138859.5A CN202111138859A CN113915166B CN 113915166 B CN113915166 B CN 113915166B CN 202111138859 A CN202111138859 A CN 202111138859A CN 113915166 B CN113915166 B CN 113915166B
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- air
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- air duct
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/14—Portable drying stands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a blowing method of a fan, relates to the technical field of fans, and solves the technical problems that the fan is single in function, only can blow air for cooling or warming, and cannot blow air for drying hair. The adjusting air duct comprises an extending air duct arranged between the air inlet and the fan blades, and the extending air duct is provided with an air gathering structure and can gather air and send out the gathered air; the extending air channel is also provided with a switching component, and when the switching component is switched to different states, the functions of cooling by blowing, warming or drying by blowing can be realized by the fan; the fan comprises a fixed air channel, an air inlet and an air outlet are respectively arranged at two ends of the fixed air channel, the fan further comprises fan blades arranged in the fixed air channel, and an adjusting air channel arranged between the air inlet and the fan blades. The invention realizes the air outlet and hair drying functions of the fan and has rich functions.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a blowing method of a fan.
Background
Most of the existing fans are vertical, desk or hanging and are used for large-area air blowing cooling or heating, and the functions are single. Patent No. CN 210152944U provides a collapsible fan that a support is flexible pipeline formula, realizes adjusting the height of fan and is convenient for accomodate folding purpose through the support is flexible. However, the folding fan in the patent can only stretch out and draw back the main body, and cannot realize the function of drying hair by blowing from multiple angles.
Disclosure of Invention
The invention aims to provide a blowing method of a fan, which aims to solve the technical problems that the fan in the prior art has a single function, can only blow air for cooling or warming and cannot blow air for drying hair.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides an adjusting air duct which comprises an extending air duct arranged between an air inlet and fan blades, wherein the extending air duct is provided with an air gathering structure and can gather air and send out the gathered air; still be provided with the switching components on the extension wind channel, when switching components switches to different states, can realize that the fan cools down, heating function or dry function of drying out of blowing.
As a further improvement of the invention, the extension air duct is of a horn-shaped structure, the small opening end is connected to the air inlet, and the large opening end is arranged close to the fan blades.
As a further improvement of the invention, the switching assembly comprises an air passing opening arranged on the extending air channel, a baffle plate movably arranged on the air passing opening to open or close the air passing opening, a control member connected with the baffle plate to control the movement of the baffle plate, and a control module connected with a fan blade driving source.
As a further improvement of the invention, the number of the air passing openings is multiple, the air passing openings are uniformly arranged along the circumferential direction of the extension air channel, the control piece is a hoop which is arranged inside the extension air channel in a sliding manner, and the baffle plates are positioned on the outer side of the extension air channel and are connected with the hoop.
As a further improvement of the invention, the switching assembly further comprises a limiting structure arranged at one end of the baffle.
As a further improvement of the invention, the limiting structure is an arc-shaped retainer ring arranged along the edge of the baffle.
As a further improvement of the invention, the adjusting air duct also comprises an angle adjusting air duct which is fixed at the outer side of the air inlet and is connected with the outlet end of the extending air duct.
As a further improvement of the invention, the angle adjusting air duct is made of a flexible and bendable corrugated hose.
The invention provides a fan which comprises a fixed air duct, wherein an air inlet and an air outlet are respectively arranged at two ends of the fixed air duct, and the fan also comprises fan blades arranged in the fixed air duct and an adjusting air duct arranged between the air inlet and the fan blades.
As a further improvement of the present invention, the fixed air duct has a tapered structure, one end of the fixed air duct is larger, and the other end of the fixed air duct is smaller, the air inlet is disposed at the small-mouth end of the fixed air duct, and the air outlet is disposed at the large-mouth end of the fixed air duct.
As a further improvement of the invention, the taper of the extension air duct is larger than that of the fixed air duct.
As a further improvement of the invention, the fan also comprises a heating element which is arranged in the extended air channel and is close to one end of the fan blade.
As a further improvement of the present invention, the heating element is a heating wire installed along the circumferential direction of the extended air duct.
As a further improvement of the invention, the fan further comprises an upright post and a base, wherein one end of the upright post is connected with the fixed air duct, and the other end of the upright post is connected with the base.
As a further improvement of the invention, the air inlet and the air outlet are both provided with ventilation grids.
The invention provides a blowing method, which is a method for blowing by using a fan and comprises the following steps:
step 100, accessing a power supply, starting a fan, and controlling a switching component to switch to different states to enable the fan to operate in a cold air mode, a warm air mode or a dry hair mode;
and 200, when the fan is in a hair drying mode, the angle adjusting air duct arranged on the outer side of the air inlet is stretched to realize air blowing at different angles.
As a further improvement of the present invention, in step 100, when the fan is in the cold air mode, the fan blade driving source is started to drive the fan blades to rotate in the forward direction, the switching component is in the open state, and the external air enters the fixed air duct through the air inlet, and then is blown out through the extending air duct, the fan blades and the air outlet in sequence.
As a further improvement of the present invention, in step 100, when the fan is in the warm air mode, the fan blade driving source is started to drive the fan blades to rotate in the reverse direction, the switching component is in the open state, the heating element is opened, and the external air enters the fixed air duct through the air outlet, and then is blown out through the fan blades, the heating element, the extension air duct and the fresh air inlet in sequence.
As a further improvement of the present invention, in step 100, when the fan is in the hair drying mode, the fan blade driving source drives the fan blades to rotate in the reverse direction, the switching component is in the closed state, the heating element is turned on, the external air enters the fixed air duct through the air outlet, and then is blown out after sequentially passing through the fan blades, the heating element, the extension air duct and the angle adjusting air duct.
Compared with the prior art, the invention has the following beneficial effects:
the adjusting air channel provided by the invention is arranged in the fixed air channel of the fan, and the switching assembly is arranged, so that the air of the fan can be blown out from a conventional air outlet to cool the fan, or blown out from the adjusting air channel after air gathering, the air outlet area is small, the adjusting air channel is used for drying hair, the air outlet and hair drying functions of the fan are realized, the functions are rich, and the problem that the traditional fan can only blow a single functional mode of cold air or warm air independently and cannot meet the increasing multifunctional requirements of users is solved; because the adjusting air duct has an air gathering structure, the problems of large and short air duct area and insufficient wind power of a common fan are solved; according to the adjusting air duct provided by the invention, the angle adjusting air duct is arranged outside the fixed air duct, the length of the air duct is increased by the combined structure of the inner air duct and the outer air duct, the conical extending air duct is more favorable for gathering air volume, and the purposes of large air volume and high air speed are easier to realize when a hair drying function is used; the push-pull type baffle is arranged, so that three functions of cold air blowing, warm air blowing and hair drying are integrated, the switching state of the baffle is changed to meet the function conversion, and when the cold air fan is used as a common cold air fan, the baffle is opened to serve as an air inlet end; when the fan is used as a warm fan, the baffle is opened to be used as an air outlet end; when the air blower is used as an air blower, the baffle is closed, and the inner air duct is a closed conical passage, so that the air quantity is convenient to collect.
The fan provided by the invention utilizes the program to control the bidirectional rotation of the motor, so that the purpose of bidirectional air outlet is met, the fan has multiple functions by arranging the extending air channel and the switching component on the fan, and the fan is not required to be held for a long time when hair is dried and is convenient to use because the fan is provided with the base and the upright post.
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 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 drawings without creative efforts.
FIG. 1 is a perspective view of a fan provided by the present invention;
FIG. 2 is a first schematic perspective view of an extension duct of a regulated duct according to the present invention;
FIG. 3 is a schematic perspective view of a second embodiment of an extension duct of the adjustable duct according to the present invention;
FIG. 4 is a front view of an extension duct of a conditioning duct provided by the present invention;
FIG. 5 is a cross-sectional view along AA in FIG. 4;
FIG. 6 is a control logic diagram of the fan of the present invention.
In the figure 1, an air inlet; 2. a fan blade; 3. an extended air duct; 4. a switching component; 41. an air passing port; 42. a baffle plate; 43. clamping a hoop; 44. an arc-shaped retainer ring; 5. fixing an air duct; 6. an air outlet; 7. an angle adjusting air duct; 8. an electric heating wire; 9. a base.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1, the present invention provides an adjusting air duct, which includes an extending air duct 3 disposed between an air inlet 1 and a fan blade 2, wherein the extending air duct 3 has an air gathering structure, and can gather air and send out the gathered air; still be provided with switching component 4 on the extension wind channel 3, when switching component 4 switches to different states, can realize that the fan cools down, heating function or dry function of sending out.
It should be noted that the adjusting air duct is installed in the fixed air duct 5 of the fan, so as to form a structure similar to the inner and outer air ducts, the motor of the fan blade 2 is fixed on the inner wall of the fixed air duct 5 through the bracket, the air inlet 1 and the air outlet 6 are respectively arranged at two ends of the fixed air duct 5, when the conventional fan is used, air enters through the air inlet 1, then passes through the fan blade 2, and then is blown out from the air outlet 6, and air can be blown out from only one direction regardless of hot air blowing or cold air blowing. According to the invention, the change of the air outlet area and the adjustment of the air outlet direction are realized by arranging the extension air duct 3 and the switching component 4, so that the fan has a bidirectional air outlet function.
As an optional embodiment of the present invention, the extension air duct 3 is a trumpet-shaped structure, the small opening end is connected to the air inlet 1, and the large opening end is arranged near the fan blades 2.
Through the extension wind channel 3 of this kind of structure for wind can be gathered together and blow out behind very little area when extending wind channel 3, realizes that wind-force accelerates and increases wind-force, dry out fast.
As shown in fig. 2, which shows a state that the baffle plate 42 closes the air inlet 41, as an alternative embodiment of the present invention, the switching assembly 4 includes an air inlet 41 disposed on the extended air duct 3, a baffle plate 42 movably disposed on the air inlet 41 to open or close the air inlet 41, a control member connected to the baffle plate 42 to control the movement of the baffle plate 42, and a control module connected to a driving source of the fan blade 2.
Here, the air passing opening 41 is a kidney-shaped hole, and the fan blade driving source is a motor. The control module can control the motor to start and stop, and in the embodiment, the motor is a forward and reverse rotating motor.
Further, as shown in fig. 3, the number of the air passing openings 41 is plural, and the air passing openings are uniformly arranged along the circumferential direction of the extension air duct 3, the control member is a clamp 43 slidably arranged inside the extension air duct 3, and the baffle 42 is located outside the extension air duct 3 and is connected with the clamp 43 inside the extension air duct 3. Since the clip 43 is located inside the extension duct 3 and the baffle 42 is located outside the extension duct 3, the baffle 42 is installed at the air passing opening 41 in an inclined manner. When the air passing opening 41 needs to be opened, the clamping hoop 43 is pulled to move axially along the extension air duct 3.
The position of the baffle 42 can be adjusted steplessly, namely the opening size of the air passing opening 41 can be adjusted, so that the air inlet and outlet amount can be adjusted; when the baffle 42 is opened, the air inlet/outlet grille can be used as an ordinary fan mode, and when the baffle is closed, a closed conical air channel is formed to concentrate the air volume, so that the purposes of increasing the air volume and increasing the air speed are achieved.
Further, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the switching assembly 4 further includes a limiting structure disposed at one end of the blocking plate 42, and the limiting structure is used to limit the blocking plate 42 after it is closed in place.
As shown in fig. 5, the limiting structure is an arc-shaped retainer ring 44 arranged along the edge of the baffle plate 42.
The extension air duct 3 is in a horn cylinder shape, the hoop 43 can move left and right, the hoop 43 is used for connecting all the baffles 42 and controlling all the baffles 42 to move simultaneously, when the baffle 42 moves to the rightmost end, the arc-shaped retainer ring 44 is just clamped with one side of the air passing opening 41 of the extension air duct 3, and the air duct is closed; when the baffle 42 moves to the leftmost end, the clamp 43 has the same diameter as the extension air duct 3 at the current position, the limit position is just clamped, and the air passing opening 41 is opened.
Furthermore, the adjusting air duct also comprises an angle adjusting air duct 7 which is fixed at the outer side of the air inlet 1 and is connected with the outlet end of the extending air duct 3. The air outlet angle can be adjusted through the angle adjusting air duct 7.
Specifically, the angle modulation wind channel 7 adopts flexible and crooked corrugated pipe to make, and the angle modulation wind channel 7 adopts scalable corrugated pipe, not the time spent can push back and accomodate in the fan, can pull out when using the function of doing out, can satisfy the all-round demand of blowing out of multi-angle.
The invention provides a fan which comprises a fixed air duct 5, an air inlet 1 and an air outlet 6 which are respectively arranged at two ends of the fixed air duct 5, fan blades 2 which are arranged in the fixed air duct 5, and an adjusting air duct which is arranged between the air inlet 1 and the fan blades 2.
Further, fixed wind channel 5 is the convergent structure, and the one end is big end little, and air intake 1 sets up the osculum end at fixed wind channel 5, and air outlet 6 sets up the macrostoma end at fixed wind channel 5.
It should be noted that the small end of the extending air duct 3 faces the air inlet 1, the large end of the extending air duct 3 is fixed on the inner wall of the fixed air duct 5, and the taper of the extending air duct 3 is greater than that of the fixed air duct 5, so that a space is formed between the extending air duct 3 and the fixed air duct 5, and when the switching component 4 is in the closed state, the space is not communicated with the air outlet 6 side of the fixed air duct 5, and the air flow cannot pass through.
Furthermore, the fan also comprises a heating element which is arranged in the extension air channel 3 and is close to one end of the fan blade 2.
Specifically, in this embodiment, the heating element is a heating wire 8 installed along the circumferential direction of the extension air duct 3.
As an optional embodiment of the present invention, the fan further includes a column and a base 9, one end of the column is connected to the fixed air duct 5, and the other end is connected to the base 9. The fan main body can be placed on a table top or the ground, a user only needs to pull out the air outlet head part, namely the angle adjusting air channel, the hair can be dried, and the hair dryer has the advantages of being light in weight, convenient to hold by a hand, capable of increasing wind power through acceleration of the slender air channel and capable of drying hair quickly.
Furthermore, the air inlet 1 and the air outlet 6 are both provided with ventilation grids.
As shown in fig. 6, the present invention further provides a blowing method, which includes the following steps:
step 100, accessing a power supply, starting a fan, and controlling a switching component to switch to different states to enable the fan to operate in a cold air mode, a warm air mode or a dry hair mode;
and 200, when the fan is in a hair drying mode, the angle adjusting air duct arranged on the outer side of the air inlet is stretched to realize air blowing at different angles.
In step 100, when the fan is used as a common fan and is in a cold air mode, the fan blade driving source is started to drive the fan blades to rotate in the forward direction, the manual control switching assembly is in an open state, namely the control baffle plate moves to open the air passing opening, at the moment, the heating wires are not started, air enters the air inlet, air exits the air outlet, outside air enters the fixed air channel through the air inlet, and then the outside air is blown out through the extending air channel, the fan blades and the air outlet in sequence.
In step 100, when the fan is used as a warm fan and is in a warm air mode, the fan blade driving source is started to drive the fan blades to rotate in a reverse direction, the manual control switching assembly is in an open state, namely the control baffle plate moves to open the air passing opening, the heating element is opened, at the moment, the fan blows hot air, the air outlet blows air, the air outside enters the fixed air channel through the air outlet, and then the air is blown out through the fan blades, the heating element, the extension air channel and the air inlet in sequence.
In step 100, when the fan is in a dry hair mode as a blowing function, the fan blade driving source drives the fan blades to rotate in a reverse direction, the manual control switching assembly is in a closed state, the heating element is opened, the air outlet supplies air, the angle adjusting air channel supplies air, external air enters the fixed air channel through the air outlet, and then the external air is blown out after sequentially passing through the fan blades, the heating element, the extension air channel and the angle adjusting air channel.
The adjusting air channel provided by the invention is arranged in the fixed air channel of the fan, and the switching assembly is arranged, so that the air of the fan can be blown out from a conventional air outlet to cool the fan, or blown out from the adjusting air channel after air gathering, the air outlet area is small, the adjusting air channel is used for drying hair, the air outlet and hair drying functions of the fan are realized, the functions are rich, and the problem that the traditional fan can only blow a single functional mode of cold air or warm air independently and cannot meet the increasing multifunctional requirements of users is solved; because the adjusting air channel has an air gathering structure, the problems of large and short air channel area and insufficient wind power of a common fan are solved; according to the adjusting air duct provided by the invention, the angle adjusting air duct is arranged outside the fixed air duct, the length of the air duct is increased by the combined structure of the inner air duct and the outer air duct, the conical extending air duct is more favorable for gathering air volume, and the purposes of large air volume and high air speed are easier to realize when a hair drying function is used; the push-pull type baffle is arranged, so that three functions of blowing cold air, blowing warm air and drying hair are integrated, the switching state of the baffle is changed to meet the function conversion, and when the fan is used as a common cooling fan, the baffle is opened to serve as an air inlet end; when the fan is used as a warm fan, the baffle is opened to be used as an air outlet end; when the air blower is used as an air blower, the baffle is closed, and the inner air duct is a closed conical passage, so that the air quantity is convenient to collect.
The fan provided by the invention utilizes the program to control the bidirectional rotation of the motor, so that the purpose of bidirectional air outlet is met, the fan has multiple functions by arranging the extending air duct and the switching component on the fan, and the fan is not required to be held for a long time when hair is dried and is convenient to use because the fan is provided with the base and the upright post.
It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in fig. 1 to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (15)
1. The blowing method of the fan is characterized in that the fan comprises a fixed air channel, an air inlet and an air outlet are respectively arranged at two ends of the fixed air channel, the fan also comprises fan blades arranged in the fixed air channel and an adjusting air channel arranged between the air inlet and the fan blades, the adjusting air channel comprises an extending air channel arranged between the air inlet and the fan blades, and the extending air channel is provided with an air gathering structure and can gather air and send out; the heating element is arranged in the extending air channel and close to one end of the fan blade; the extending air duct is also provided with a switching component capable of switching a ventilation air duct and switching forward and backward rotation of fan blades, and when the switching component is switched to different states, the switching component is combined with the on-off of the heating element to realize the functions of blowing air and cooling by a fan or blowing air and drying hair;
the method for blowing by the fan comprises the following steps:
step 100, accessing a power supply, starting a fan, and controlling a switching component to switch to different states to enable the fan to operate in a cold air mode, a warm air mode or a dry hair mode;
step 200, when the fan is in a hair drying mode, the angle adjusting air duct arranged on the outer side of the air inlet is stretched to realize air blowing at different angles;
in step 100, when the fan is in the cold air mode, the fan blade driving source is started to drive the fan blades to rotate in the forward direction, the switching assembly is in an open state, and external air enters the fixed air duct through the air inlet and is blown out through the extension air duct, the fan blades and the air outlet in sequence.
2. A blowing method according to claim 1, wherein in step 100, when the fan is in a warm air mode, the fan driving source is activated to drive the fan to rotate in a reverse direction, the switching component is in an open state, the heating element is opened, and external air enters the fixed air duct through the air outlet and is blown out through the fan, the heating element, the extension air duct and the air inlet in sequence.
3. The blowing method according to claim 1, wherein in step 100, when the fan is in the dry mode, the fan driving source drives the fan blades to rotate in a reverse direction, the switching component is in a closed state, the heating element is turned on, external air enters the fixed air duct through the air outlet, and is blown out through the fan blades, the heating element, the extension air duct and the angle adjusting air duct in sequence.
4. A blowing method according to claim 1, wherein the fixed air duct is a tapered structure having a larger end and a smaller end, the air inlet is disposed at a smaller end of the fixed air duct, and the air outlet is disposed at a larger end of the fixed air duct.
5. A blowing method according to claim 4, wherein a taper of the extended duct is larger than a taper of the fixed duct.
6. A blowing method according to claim 1, wherein the heating element is a heating wire installed in a circumferential direction of the extended duct.
7. A blowing method according to claim 1, wherein the fan further includes a pillar and a base, one end of the pillar being connected to the fixed duct and the other end being connected to the base.
8. A blowing method according to claim 1, wherein a ventilation grill is provided on each of the air inlet and the air outlet.
9. The blowing method according to claim 1, wherein the extension duct has a trumpet-shaped structure, the small opening end is connected to the air inlet, and the large opening end is disposed near the fan blades.
10. A blowing method according to claim 1, wherein the switching assembly includes an air inlet provided on the extended air duct, a shutter movably provided on the air inlet to open or close the air inlet, a control member connected to the shutter to control movement of the shutter, and a control module connected to a fan blade driving source.
11. A blowing method according to claim 10, wherein the plurality of air passing openings are uniformly arranged along a circumferential direction of the extension duct, the control member is a clamp slidably arranged inside the extension duct, and the baffle is located outside the extension duct and connected to the clamp.
12. A blowing method according to claim 11, wherein the switching assembly further comprises a limiting structure provided at one end of the baffle.
13. A blowing method according to claim 12, wherein said limiting structure is an arc-shaped retainer ring provided along an edge of said baffle.
14. The blowing method of claim 1, wherein the adjusting duct further includes an angle adjusting duct fixed outside the air inlet and connected to an outlet end of the extending duct.
15. A blowing method according to claim 14, wherein the angle-adjusting duct is made of a corrugated hose which is stretchable and bendable.
Priority Applications (1)
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| CN202566789U (en) * | 2012-03-22 | 2012-12-05 | 上海大学附属中学 | Multi-angle electric hair drier |
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