CN109846179B - Electric hair drier - Google Patents
Electric hair drier Download PDFInfo
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- CN109846179B CN109846179B CN201910108242.5A CN201910108242A CN109846179B CN 109846179 B CN109846179 B CN 109846179B CN 201910108242 A CN201910108242 A CN 201910108242A CN 109846179 B CN109846179 B CN 109846179B
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Abstract
The invention discloses an electric hair drier, which relates to the field of household appliances and solves the problem that the electric hair drier has shorter service life limit due to the adoption of a mechanical switch for adjusting the temperature and the wind speed, and the technical scheme is as follows: the opening unit is used for sensing the holding force of a human hand to control the opening and closing of the branch where the heating module and the air speed module are located; the sensing unit comprises a sensing area arranged at the handle and is used for sensing different positions of the sensing area touched by the human hand so as to output sensing signals with different intensities; the working power grade database is preset with different working power grades of the heating module and the wind speed module corresponding to the induction signals with different intensities; the screen locking unit is arranged at the handle and used for sensing the motion of a human hand and responding to the motion of the human hand so as to control the sensing unit to be opened and closed; according to the electric hair drier disclosed by the invention, a user can realize the function of adjusting the temperature and the wind speed of the electric hair drier by sensing different positions of the induction area touched by hands of the user, and compared with a mechanical switch, the electric hair drier has a longer service life.
Description
Technical Field
The invention relates to the field of household appliances, in particular to an electric hair drier.
Background
With the development of electric appliances, the electric appliances are quickly integrated into the production and life of people, convenience is brought to the production and life of people, people can adapt to the modern fast-paced life, and the electric hair dryer serving as a member of the electric appliances is almost equipped in every family and becomes an indispensable part of the modern life of people.
The hairdryer on the existing market mainly comprises shell, power, heating structure and switch operating system, the shell manifold is various, can be according to people's liking free choice, the power is power cord and plug and constitutes, and heating structure also all adopts the heater to generate heat, switch operating system also mainly is the mechanical type switch, through opening and close of mechanical type on-off control hairdryer, and to the control of temperature and wind speed, thereby adapt to the operation requirement in different users and the different environment.
The existing electric hair drier adopts a mechanical switch when the temperature and the wind speed are adjusted, the mechanical switch (such as a push switch or a swing switch) has short service life limitation, generally, the electric hair drier can be pressed for 10000 times, and an improved space is provided.
Disclosure of Invention
The invention aims to provide the electric hair drier, so that a user can realize the function of adjusting the temperature and the wind speed of the electric hair drier by sensing the action of hands of the user, and the electric hair drier has longer service life compared with a mechanical switch with shorter service life limit.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a hairdryer, includes shell, the module that generates heat, wind speed module, the shell includes workspace and handle, still includes:
the opening unit is arranged at the handle and used for sensing the holding force of a human hand and responding to the holding force of the human hand so as to control the branch where the heating module and the wind speed module are located to be opened and closed;
the sensing unit comprises a sensing area arranged at the handle and is used for sensing different positions of the sensing area touched by the human hand so as to output sensing signals with different intensities;
the working power grade database is preset with different working power grades of the heating module and the wind speed module corresponding to the induction signals with different intensities;
the screen locking unit is arranged at the handle and used for sensing the motion of a human hand and responding to the motion of the human hand so as to control the opening and the locking of the sensing unit;
the handle is held by a hand, the opening unit closes the branch where the heating module and the wind speed module are located, the sensing area of the sensing unit senses the touch of the hand and outputs a sensing signal with the strength corresponding to the current position of the sensing area touched by the hand under the condition that the screen locking unit is opened, and then the sensing unit takes the sensing signal with the current strength as an inquiry object to call the working power grade of the heating module and the wind speed module matched with the sensing area in the working power grade database and act on the heating module and the wind speed module.
By adopting the technical scheme, the sensing unit senses the touch of the hand and outputs the sensing signal with the strength corresponding to the current position of the sensing area touched by the hand, so that the sensing unit takes the sensing signal with the current strength as an inquiry object, calls the working power grades of the heating module and the wind speed module matched with the sensing signal in the working power grade database, and acts on the heating module and the wind speed module to realize the adjustment of the gears of the heating module and the wind speed module, and the service life of the electric hair drier is prolonged compared with a mechanical switch;
due to the arrangement of the screen locking unit, the problem that gears of the heating module and the wind speed module are changed due to the fact that a human hand touches the induction area by mistake in the using process of the electric hair drier is solved;
the starting unit is arranged, the hand of a person applies holding force on the handle, and the heating module and the wind speed module are powered on to operate; the handle is loosened by hands, the heating module and the wind speed module are powered off and stop running, the heating module is prevented from causing fire due to long-time heating, and the safety is high.
The invention is further configured to: the memory unit is coupled to the heating module and the wind speed module;
the memory unit comprises a memory module which is coupled with the heating module and the wind speed module and records the working power grades of the current heating module and the wind speed module, and a branch circuit disconnection time which is coupled with the heating module and the wind speed module and records the current heating module and the wind speed module
The timing unit of (1);
disconnection time of branch where current heating module and wind speed module are located
Less than or equal to unit time
When the branch where the heating module and the wind speed module are located is closed again, the working power grades of the heating module and the wind speed module are defaulted to be the working power grades recorded by the current memory module; disconnection time of branch where current heating module and wind speed module are located
Greater than unit time
When the branch where the heating module and the wind speed module are located is closed again, the working power grade of the heating module and the wind speed module is the lowest working power grade of the heating module and the wind speed module by default.
By adopting the technical scheme, the memory unit is arranged, and the current working power grade of the heating module and the wind speed module and the branch disconnection time of the heating module and the wind speed module are shortened
Giving a record, and recording the time
And unit time
And comparing, and adjusting the working power grade when the branch where the heating module and the wind speed module are located is closed again, so that the wind speed control system is more intelligent.
The invention is further configured to: workspace one end is the air intake, the workspace other end is the air outlet workspace the air intake is provided with the air inlet filter screen workspace the air outlet is provided with the air-out filter screen.
By adopting the technical scheme, the arrangement of the air inlet filter screen and the air outlet filter screen avoids external large-volume objects from entering the shell to interfere the work of the electric hair drier; and secondly, the problem of safety caused by the fact that fingers are deeply inserted is avoided.
The invention is further configured to: the air outlet filter screen is composed of a plurality of support plates which are parallel to each other and are arranged at equal intervals.
Through adopting above-mentioned technical scheme, the air-out filter screen that a plurality of root parallel to each other and the extension board that equidistant set up constitutes is convenient for clear up.
The invention is further configured to: the support plates comprise a first support plate and a second support plate which is integrally arranged with the first support plate, and the first support plates are positioned at two end parts of the second support plate; the length of the second support plate along the direction from the air inlet to the air outlet is greater than that of the first support plate along the direction from the air inlet to the air outlet.
By adopting the technical scheme, the length of the second support plate along the direction from the air inlet to the air outlet is greater than the length of the first support plate along the direction from the air inlet to the air outlet, so that the wind blown out from the working area is guided in the direction.
The invention is further configured to: the edge of air inlet filter screen is formed with the joint along air intake to the protruding of air outlet direction in filter screen buckle on the shell.
Through adopting above-mentioned technical scheme, the installation of air inlet filter screen is realized in setting up of filter screen buckle, and simple structure is with low costs.
The invention is further configured to: the shell is still connected with the air inlet end cover in air inlet department joint, the inside of air inlet end cover with the outside conflict of air inlet filter screen.
Through adopting above-mentioned technical scheme, the setting of air inlet end cover plays the effect of fixing and protection to the air inlet filter screen, ensures that the air inlet filter screen installation is stable.
The invention is further configured to: the outer side wall of the air inlet end cover is formed with an anti-skid protrusion in a protruding mode along the direction from the air inlet to the air outlet.
By adopting the technical scheme, the arrangement of the anti-skid protrusions strengthens the structural strength of the air inlet end cover and reduces the damage degree of the air inlet end cover to foreign objects; and the friction coefficient between the fingers and the air inlet end cover is increased, so that the fingers can be conveniently held and installed.
The invention is further configured to: the end part of the air inlet end cover close to the shell is formed with a lock catch in a protruding mode along the direction from the air inlet to the air outlet, the lock catch is L-shaped, and the shell is provided with a lock hole matched with the lock catch at the position of the air inlet.
Through adopting above-mentioned technical scheme, the installation of air inlet end cover is realized to the setting of hasp and lockhole, and simple structure, easily installation.
The invention is further configured to: the shell is internally provided with a clamping block protruding from the lock hole, and the lock catch is internally concave to form a clamping groove for clamping the clamping block.
Through adopting above-mentioned technical scheme, the fixture block that lockhole department protrusion formed and the draw-in groove of the concave formation on the hasp mutually support, realize the high installation of air inlet end cover.
In conclusion, the invention has the following beneficial effects:
1. sensing the touch of the hand by the sensing unit and outputting a sensing signal with the strength corresponding to the current position of the sensing area touched by the hand, so that the sensing unit takes the sensing signal with the current strength as an inquiry object, calls the working power grades of the heating module and the wind speed module matched with the sensing signal in the working power grade database, and acts on the heating module and the wind speed module to realize the adjustment of the gears of the heating module and the wind speed module, and the service life of the electric hair drier is prolonged compared with a mechanical switch;
2. due to the arrangement of the screen locking unit, the problem that gears of the heating module and the wind speed module are changed due to the fact that a human hand touches the induction area by mistake in the using process of the electric hair drier is solved;
3. the starting unit is arranged, the hand of a person applies holding force on the handle, and the heating module and the wind speed module are powered on to operate; the handle is loosened by hands, the heating module and the wind speed module are powered off and stop running, the heating module is prevented from causing fire due to long-time heating, and the safety is high.
Drawings
FIG. 1 is a schematic structural view of the hair dryer of the present invention;
FIG. 2 is a schematic view of the installation of an air outlet nozzle in the hair dryer of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a first exploded view of the hair dryer of the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is a second schematic diagram of the hair dryer of the present invention showing the explosion;
FIG. 7 is an enlarged view of portion C of FIG. 6;
FIG. 8 is an enlarged view of portion D of FIG. 6;
fig. 9 is a circuit control diagram of the hair dryer of embodiment 2 of the invention.
In the figure, 1, a housing; 101. a working area; 102. a handle; 2. a touch screen; 3. a gear position; 4. a power button; 5. a screen locking button; 6. a cold air button; 7. an air inlet filter screen; 8. an air outlet filter screen; 801. a first support plate; 802. a second support plate; 9. an air outlet nozzle; 10. a protruding block; 11. a groove; 12. a bayonet; 13. a filter screen is buckled; 14. an air inlet end cover; 15. anti-skid projections; 16. locking; 17. a lock hole; 18. a clamping block; 19. a clamping groove.
Detailed Description
The present invention is described in further detail below with reference to figures 1-9.
Referring to fig. 1, the electric hair dryer disclosed in embodiment 1 comprises a housing 1 which is a mounting carrier and has a cavity inside, a heating module composed of electric heating wires, and a wind speed module including a motor and fan blades, wherein the fan blades are sleeved on an output shaft of the motor; wherein the housing 1 comprises a working area 101 and a handle 102.
Referring to fig. 1 and 2, the electronic device further includes an opening unit disposed at the handle 102 for sensing a holding force of a human hand and controlling the opening and closing of the branch where the heating module and the wind speed module are located in response to the holding force of the human hand, a sensing unit including a sensing area disposed at the handle 102 and for sensing different positions of the sensing area touched by the human hand to output sensing signals with different intensities, a working power class database preset with different working power classes of the heating module and the wind speed module corresponding to the sensing signals with different intensities, and a screen locking unit disposed at the handle 102 and for sensing a motion of the human hand and controlling the opening and the locking of the sensing unit in response to the motion of the human hand. The screen locking unit is a screen locking button 5, and the screen locking button 5 is positioned at one end of the handle 102 close to the working area 101; the starting unit is a power button 4, and the power button 4 is positioned at one end of the handle 102 far away from the working area 101. The heating module is directly connected with a power supply through the cold air button 6, and the on-off of a branch where the heating module is located is controlled; the disconnection of the branch where the heating module is located can be directly controlled under the condition that the external environment does not need to be heated, and the energy-saving and environment-friendly effects are achieved.
The handle 102 is held by a hand, the opening unit closes the branch where the heating module and the wind speed module are located, the sensing area of the sensing unit senses that the hand touches the branch and outputs a sensing signal with the strength corresponding to the current position of the sensing area touched by the hand when the screen locking unit is opened, and then the sensing unit takes the sensing signal with the current strength as an inquiry object to call the working power grade of the heating module and the wind speed module matched with the sensing area in the working power grade database and act on the heating module and the wind speed module.
The sensing unit senses the touch of the hand and outputs the sensing signal with the strength corresponding to the current position of the sensing area touched by the hand, so that the sensing unit takes the sensing signal with the current strength as a query object to call the working power grade of the heating module and the wind speed module matched with the sensing signal in the working power grade database and act on the heating module and the wind speed module to realize the adjustment of the gear 3 of the heating module and the wind speed module.
Referring to fig. 2, the sensing area is a touch screen 2 disposed on the handle 102, the touch screen 2 is provided with eight gears 3 for synchronously adjusting the heating module and the wind speed module, and each gear 3 is provided with an indicator light. Gear 3 is along the one end that touch handle 102 is kept away from workspace 101 to the direction setting that is close to workspace 101, and gear 3 increases in proper order, and the pilot lamp that corresponds and all pilot lamps that are less than this gear 3 and correspond when a gear 3 work all highlight.
The device also comprises a memory unit coupled with the heating module and the wind speed module; the memory unit comprises a memory module which is coupled with the heating module and the wind speed module and records the working power grades of the current heating module and the wind speed module, and a timing unit which is coupled with the heating module and the wind speed module and records the branch disconnection time of the current heating module and the wind speed module; when the disconnection time of the branch where the current heating module and the wind speed module are located is less than or equal to unit time, the working power grade of the heating module and the wind speed module is defaulted to be the working power grade recorded by the current memory module when the branch where the heating module and the wind speed module are located is closed again; when the disconnection time of the current branch where the heating module and the wind speed module are located is longer than unit time, the working power level of the heating module and the wind speed module is defaulted to be the lowest working power level of the heating module and the wind speed module when the branch where the heating module and the wind speed module are located is closed again. In the embodiment of the present invention, the unit time is 5 min.
It should be understood that the division of the disclosed modules or units is merely a logical division, and that in actual implementation, there may be additional divisions, for example, where multiple units or components may be combined or integrated into another system, or where some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, each of the above functional units may be integrated into one processing unit, or each of the units may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Referring to fig. 2, one end of the working area 101 is an air inlet, the other end of the working area 101 is an air outlet, an air inlet filter screen 7 is arranged at the air inlet of the working area 101, and an air outlet filter screen 8 is arranged at the air outlet of the working area 101. The working area 101 is clamped with an air outlet nozzle 9 at the air outlet, and plays a role of gathering air volume blown out from the air outlet.
Referring to fig. 4, 5 and 6, the working area 101 has at least two protruding blocks 10 protruding at equal intervals from the inner side wall of the air outlet, in this embodiment, the number of the protruding blocks 10 is three, and the air outlet nozzle 9 is connected to the end of the air outlet and is recessed to form a groove 11 connected to the latch 18 in a matching manner. The air outlet nozzle 9 is clamped at one end of the air outlet and provided with a bayonet 12, and when the air outlet nozzle 9 is embedded at the air outlet, the air outlet nozzle 9 can deform to a certain extent due to the arrangement of the bayonet 12, so that the installation is realized quickly.
Referring to fig. 2 and 3, the air outlet filter screen 8 is composed of a plurality of support plates which are parallel to each other and are arranged at equal intervals. The support plates comprise a first support plate 801 and a second support plate 802 which is integrally arranged with the first support plate 801, and the first support plate 801 is positioned at two ends of the second support plate 802; the length of the second support plate 802 along the direction from the air inlet to the air outlet is greater than the length of the first support plate 801 along the direction from the air inlet to the air outlet. The edge of the air inlet filter screen 7 protrudes along the direction from the air inlet to the air outlet to form a filter screen buckle 13 clamped on the shell 1.
Referring to fig. 6, 7 and 8, the casing 1 is further clamped with an air inlet end cover 14 at the air inlet, and the inside of the air inlet end cover 14 is abutted against the outside of the air inlet filter screen 7. The outer side wall of the air inlet end cover 14 is convexly provided with an anti-skid bulge 15 along the direction from the air inlet to the air outlet. The end part of the air inlet end cover 14 close to the shell 1 is convexly provided with a lock catch 16 along the direction from the air inlet to the air outlet, the lock catch 16 is L-shaped, and the shell 1 is provided with a lock hole 17 matched with the lock catch 16 at the air inlet. A clamping block 18 is formed in the shell 1 in a protruding mode at the position of the lock hole 17, and a clamping groove 19 for clamping the clamping block 18 is formed in the lock catch 16 in a concave mode.
Referring to fig. 9 and embodiment 2, a circuit control diagram in the handle 102 of the present invention, which is different from the previous embodiments, is provided, the circuit control diagram in the figure is combined with the CPU to realize the control of the wind speed module and the heating module inside the hair dryer, and the circuit control diagram is common knowledge of those skilled in the art and is not described herein again.
The above embodiments are only used to describe the technical solutions of the present application in detail, but the above embodiments are only used to help understanding the method and the core idea of the present invention, and should not be construed as limiting the present invention. Those skilled in the art should also appreciate that they can easily conceive of various changes and substitutions within the technical scope of the present disclosure.
Claims (9)
1. The utility model provides a hairdryer, includes shell (1), the module that generates heat, wind speed module, shell (1) is including workspace (101) and handle (102), its characterized in that: further comprising:
the opening unit is arranged at the handle (102) and used for sensing the holding force of a human hand and responding to the holding force of the human hand so as to control the branch where the heating module and the wind speed module are located to be opened and closed;
the sensing unit comprises a sensing area arranged at the handle (102) and is used for sensing different positions of the sensing area touched by a human hand so as to output sensing signals with different intensities;
the working power grade database is preset with different working power grades of the heating module and the wind speed module corresponding to the induction signals with different intensities;
the screen locking unit is arranged at the handle (102) and used for sensing the motion of a human hand and responding to the motion of the human hand to control the opening and the locking of the sensing unit;
the handle (102) is held by a hand, the opening unit closes a branch where the heating module and the wind speed module are located, the sensing area of the sensing unit senses that the hand touches the handle and outputs a sensing signal with the intensity corresponding to the current position of the sensing area touched by the hand when the screen locking unit is opened, and then the sensing unit takes the sensing signal with the current intensity as an inquiry object to call the working power grades of the heating module and the wind speed module which are matched with the sensing area in the working power grade database and act on the heating module and the wind speed module;
the memory unit is coupled to the heating module and the wind speed module;
the memory unit comprises a memory module which is coupled with the heating module and the wind speed module and records the working power grades of the current heating module and the wind speed module, and a timing unit which is coupled with the heating module and the wind speed module and records the disconnection time of a branch where the current heating module and the wind speed module are located;
when the disconnection time of the branch where the current heating module and the wind speed module are located is less than or equal to unit time, the working power grade of the heating module and the wind speed module is defaulted to be the working power grade recorded by the current memory module when the branch where the heating module and the wind speed module are located is closed again; when the disconnection time of the current branch where the heating module and the wind speed module are located is longer than unit time, the working power level of the heating module and the wind speed module is defaulted to be the lowest working power level of the heating module and the wind speed module when the branch where the heating module and the wind speed module are located is closed again.
2. A hair dryer according to claim 1, characterized in that: workspace (101) one end is the air intake, workspace (101) other end is the air outlet workspace (101) the air intake is provided with air inlet filter screen (7) workspace (101) the air outlet is provided with air outlet filter screen (8).
3. A hair dryer according to claim 2, characterized in that: the air outlet filter screen (8) is composed of a plurality of support plates which are parallel to each other and are arranged at equal intervals.
4. A hair dryer according to claim 3, characterized in that: the support plates comprise a first support plate (801) and a second support plate (802) which is integrally arranged with the first support plate (801), and the first support plate (801) is positioned at two ends of the second support plate (802); the length of the second support plate (802) along the direction from the air inlet to the air outlet is larger than that of the first support plate (801) along the direction from the air inlet to the air outlet.
5. A hair dryer according to claim 2, characterized in that: the edge of air inlet filter screen (7) is formed with the joint along air intake to the protruding of air outlet direction in filter screen buckle (13) on shell (1).
6. A hair dryer according to claim 5, characterized in that: shell (1) still joint in air intake department has air inlet end cover (14), the inside of air inlet end cover (14) with the outside conflict of air inlet filter screen (7).
7. A hair dryer according to claim 6, characterized in that: the outer side wall of the air inlet end cover (14) is convexly provided with an anti-skid protrusion (15) along the direction from the air inlet to the air outlet.
8. A hair dryer according to claim 6, characterized in that: the air inlet end cover (14) is close to the tip of shell (1) and is formed with hasp (16) along air intake to air outlet direction protrusion, hasp (16) are "L" shape, shell (1) in air inlet department seted up with hasp (16) complex lockhole (17).
9. A hair dryer according to claim 8, characterized in that: a clamping block (18) is formed in the shell (1) in a protruding mode in the lock hole (17), and a clamping groove (19) for clamping the clamping block (18) is formed in the lock catch (16) in a concave mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108242.5A CN109846179B (en) | 2019-01-18 | 2019-01-18 | Electric hair drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910108242.5A CN109846179B (en) | 2019-01-18 | 2019-01-18 | Electric hair drier |
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| Publication Number | Publication Date |
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| CN109846179A CN109846179A (en) | 2019-06-07 |
| CN109846179B true CN109846179B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910108242.5A Active CN109846179B (en) | 2019-01-18 | 2019-01-18 | Electric hair drier |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331566A (en) * | 2021-06-03 | 2021-09-03 | 进成（广东）智能科技股份有限公司 | Hair drier |
| CN114468511A (en) * | 2022-02-16 | 2022-05-13 | 深圳盈特创智能科技有限公司 | Electric hair drier method and system for controlling wind speed and temperature based on holding strength |
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| CN103637534A (en) * | 2013-11-18 | 2014-03-19 | 何东波 | Intelligent blower |
| CN105639981A (en) * | 2016-03-25 | 2016-06-08 | 中国地质大学（武汉） | Intelligent variable frequency electric hair dryer and control system and method thereof |
| CN206525714U (en) * | 2017-02-28 | 2017-09-29 | 浙江月立电器有限公司 | A kind of touch screen controls hair dryer |
| CN104605603B (en) * | 2015-02-05 | 2017-11-03 | 温州芒果电器制造有限公司 | Distance perspective answers automatic temperature-control hair drier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103948230A (en) * | 2014-05-04 | 2014-07-30 | 东莞市富瑞康电器科技有限公司 | Touch screen type hair dryer |
| CN205214541U (en) * | 2015-10-21 | 2016-05-11 | 吴江市紫宇电子科技有限公司 | Double - circuit controlling means of hair drier publicly charges |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103637534A (en) * | 2013-11-18 | 2014-03-19 | 何东波 | Intelligent blower |
| CN104605603B (en) * | 2015-02-05 | 2017-11-03 | 温州芒果电器制造有限公司 | Distance perspective answers automatic temperature-control hair drier |
| CN105639981A (en) * | 2016-03-25 | 2016-06-08 | 中国地质大学（武汉） | Intelligent variable frequency electric hair dryer and control system and method thereof |
| CN206525714U (en) * | 2017-02-28 | 2017-09-29 | 浙江月立电器有限公司 | A kind of touch screen controls hair dryer |
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| CN109846179A (en) | 2019-06-07 |
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