CN204393637U - A kind of Intelligent blower - Google Patents
A kind of Intelligent blower Download PDFInfo
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- CN204393637U CN204393637U CN201520023293.5U CN201520023293U CN204393637U CN 204393637 U CN204393637 U CN 204393637U CN 201520023293 U CN201520023293 U CN 201520023293U CN 204393637 U CN204393637 U CN 204393637U
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Abstract
The utility model discloses a kind of Intelligent blower, comprise heating unit and motor, comprise in addition: for the temperature detecting unit of testing environment temperature; For detecting the humidity detection unit of hair-dryer subject humidity; For the load control unit of the rotating speed of the operating power and described motor that control described heating unit; And main control unit, be configured to control according to the temperature and humidity detected the gear that described load control unit selects setting.According to the Intelligent blower of the utility model embodiment, can automatically select wind-warm syndrome and air quantity setting according to the hair quality situation of subject, easy to use, safe, the damage to hair can be avoided.
Description
Technical field
The utility model relates to a kind of hair-dryer, particularly relates to a kind of hair-dryer with intelligent control function.
Background technology
Hair-dryer, as a kind of daily electric equipment product, is widely used in daily life, such as, for drying up clothing or other article, for hairdressing or dry up hair, etc.But hair-dryer commercially available at present, particularly for hairdressing or when drying up hair, all needs user to select suitable air quantity and wind-warm syndrome according to the experience of oneself.If user lacks experience or error in judgement, then can select unsuitable air quantity and wind-warm syndrome, the damage to hair can be caused thus, and waste unnecessary electric energy.In addition, rule of thumb select air quantity and temperature by user, be also difficult to the personalized situation meeting hair-dryer subject.
Therefore, need a kind of Intelligent blower, according to the hair quality situation of subject, can automatically select relevant setting.
Summary of the invention
The purpose of this utility model is the defect existed to overcome prior art, provides a kind of Intelligent blower.In order to realize this purpose, technical solution adopted in the utility model is as follows.
According to an embodiment of the present utility model, a kind of Intelligent blower is provided, comprises heating unit and motor, in addition, also comprise: for the temperature detecting unit of testing environment temperature; For detecting the humidity detection unit of hair-dryer subject humidity; For the load control unit of the rotating speed of the operating power and described motor that control described heating unit; And main control unit, be configured to control according to the temperature and humidity detected the gear that described load control unit selects setting.
According to another embodiment of the present utility model, alternatively, also comprise and to be connected with described main control unit and there is the hair quality selection key of " health " and " unhealthy " gear.
According to another embodiment of the present utility model, alternatively, also comprise and to be connected with described main control unit and after shake-up, to make the gear of the setting manual mode changed that circulates control button.
According to another embodiment of the present utility model, alternatively, also comprise anion generator.
According to another embodiment more of the present utility model, alternatively, also comprise hair quality roughness measurement unit, it comprises further: arrange in column and can along the comb of the direction movement perpendicular to these row after stressed; Impel the reset components that the comb after moving resets; Slider relatively-stationary with comb; And the resistance slide rail changing output resistance size is coordinated with described slider.
According to an embodiment of the present utility model, preferably, the vertical direction that described reset components is included in comb row is connected to the elastic component of its both sides.
According to another embodiment of the present utility model, alternatively, described hair quality roughness measurement unit is standalone module and communicates to connect with described main control unit.
According to another embodiment of the present utility model, preferably, described humidity detection unit comprises a pair Humidity Detection electrode be arranged on hair-dryer casing, and the voltage that described main control unit is configured to gather according to being applied to the detection pulse on described detecting electrode determines humidity size.
According to other embodiment of the present utility model, preferably, described load control unit comprises the controllable silicon controlling described motor and described heating unit respectively.
According to another embodiment of the present utility model, alternatively, described heating unit is the heating wire with multiple operating power gear, and described motor is the motor with multiple rotating speed gear.
According to the Intelligent blower of the utility model embodiment, can automatically select wind-warm syndrome and air quantity setting according to the hair quality situation of subject, easy to use, safe, the damage to hair can be avoided.
Be specifically described the utility model by embodiment below in conjunction with accompanying drawing, wherein identical or substantially identical parts adopt identical Reference numeral instruction.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of the relevant controlling part of Intelligent blower according to the utility model embodiment;
Fig. 2 is the schematic block diagram of the relevant controlling part of Intelligent blower according to another embodiment of the utility model;
Fig. 3 is gear cyclical-transformation schematic diagram under the Intelligent blower manual mode according to the utility model embodiment;
Fig. 4 is the schematic circuit diagram figure of the relevant controlling part of Intelligent blower according to the utility model embodiment;
Fig. 5 is the schematic structure sectional view of the Intelligent blower according to the utility model embodiment;
Fig. 6 is the structural representation of the hair quality roughness measurement unit of Intelligent blower according to the utility model embodiment;
Fig. 7 is the schematic diagram of the hair quality roughness measurement unit being set to standalone module according to the utility model embodiment;
Fig. 8 is the schematic diagram of the hair quality roughness measurement unit being set to detachable module according to the utility model embodiment;
Fig. 9 is the workflow schematic diagram of the Intelligent blower according to the utility model embodiment.
Detailed description of the invention
As shown in Figure 1, it is the schematic block diagram of the relevant controlling part of the Intelligent blower according to the utility model embodiment, comprise heating unit 500 and motor 600, in addition, also comprise: main control unit 100, temperature detection list 200, humidity detection unit 300, and load control unit 400.
Wherein temperature detecting unit 200 is for testing environment temperature, can be made up of, such as NTC thermistor thermistor, and its testing result is transferred to coupled main control unit 100, as the parameter controlling heating unit 500 operating power.
Humidity detection unit 300 is connected with main control unit 100, for detecting the humidity of hair-dryer subject, and the humidity of such as scalp or hair.Comprise a pair Humidity Detection electrode be arranged on hair-dryer casing according to the humidity detection unit 300 of an embodiment, applying by giving this detecting electrode to detect pulse, gathering the voltage that generates thus to determine humidity size.Wherein Humidity Detection electrode can be arranged on any position of hair-dryer casing, but is preferably arranged on hair-dryer casing end, so that contact subject.
Described load control unit 400 is for the rotating speed of the operating power and described motor 600 that control described heating unit 500, according to an embodiment, described load control unit 500 is made up of controllable silicon, controls by main control unit 100 control respectively that silicon controlled opening degree realizes described heating unit 500 and described motor 600.In other embodiments, also can utilize load control unit 500 described in relay or other devices and circuit realiration, these those of ordinary skill in the art are understood that, not describe in detail at this.
Described main control unit 100 includes but not limited to MCU, DSP, CPU, PLC etc., is configured to control according to the temperature and humidity detected the gear that described load control unit 400 selects setting.Specifically, described main control unit 100 is configured to the gear setting described heating unit according to the temperature of detection and the comparative result of predetermined temperature threshold, and sets the gear of described motor according to the humidity of detection and the comparative result of predetermined moisture threshold value.
As shown in Figure 2, in another embodiment, described Intelligent blower also comprises hair quality selection key 700 alternatively, and it is connected with described main control unit 100 and has " health " and " unhealthy " two gears.In use, according to hair by user whether passed through permanent hair styling or bleaching and dyeing equivalent damage, determining that whether hair quality is healthy.If selected " health ", wind-warm syndrome and air quantity are determined according to the temperature and humidity detected by main control unit 100; If select " unhealthy " (be namely through permanent hair styling, or bleaching and dyeing equivalent damage), then main control unit 100 is forced to turn down one grade according to the heating unit operating power gear that the temperature detected is determined.
In one embodiment, described heating unit 500 is the heating wire with multiple operating power gear, and described motor 600 is the motors with multiple rotating speed gear.Specifically, such as, the general humidity of human body skin is between 40%-60%, therefore, according to an embodiment, predetermined moisture threshold value can be set to 40%, when the humidity detected higher than 40% time, be defined as moistening; Lower than 40% time, be defined as drying.Correspondingly, according to an embodiment, described motor 600 is the motors being set with top gear and low or first gear two gears, and the air quantity that hair-dryer exports is divided into high and low two gears.For moistening skin or hair, variable speed machine 600 is set in top gear by load control unit 400 by main control unit 100, the air quantity that correspondingly output one is large; For skin or the hair of drying, variable speed machine 600 is set in low or first gear by load control unit 400 by main control unit 100, correspondingly exports a little air quantity, thus avoid too high air quantity cause hair and skin over-drying.Certainly, in other embodiments, also other humidity threshold can be selected, such as, arbitrary numerical value between 40%-60%.
In one embodiment, room temperature 25 is selected
0c is as temperature threshold.Correspondingly, described heating unit 500 is set with high power, middle power and low-power three gears, and the wind-warm syndrome that hair-dryer exports thus is divided into high warm air, middle warm air and low warm air.When the temperature detected is lower than 25
0during C, heating unit 500 is set in high power shelves by load control unit 400 by main control unit 100, and hair-dryer can export high warm air; When the temperature detected is higher than 25
0during C, heating unit 500 is set in middle power shelves by load control unit 400 by main control unit 100, warm air during hair-dryer can export.If user selects " unhealthy " gear by hair quality selection key 700, then main control unit 100 can force wind-warm syndrome setting to be turned down.Such as environment temperature is lower than 25
0c should be high warm air, but under the unsound situation of hair, wind-warm syndrome can change middle wind-warm syndrome into; And if environment temperature is such as at 25-30
0c should be middle wind-warm syndrome, but under the unsound situation of hair, wind-warm syndrome can change low wind-warm syndrome into.Although above with 25
0c is illustrated as the example of temperature threshold, but does not get rid of use other temperature thresholds, such as 20-30
0arbitrary value between C.
In a word, the operating power gear of described heating unit 500 and the rotating speed gear of described motor 600 can set according to the temperature and humidity number of threshold values of setting and actual needs, also can consider that other factors of being correlated with and/or parameter set.Following table is according to an embodiment, and in automatic mode, hair-dryer wind-warm syndrome and air quantity export the example of gear setting.
In yet another embodiment, described Intelligent blower also comprises manual mode alternatively.Specifically, as shown in Figure 2, described Intelligent blower also comprises manual mode and controls button 800, and it is connected with described main control unit 100 and namely enters manual mode after shake-up, and can make the gear circulation conversion of setting when touching continuously.According to an embodiment, when manual mode starts, setting residing when can adjust to last shutdown, and the conversion of gear circulates according to the mode shown in Fig. 3 and carries out.
In other embodiments, described Intelligent blower also comprises anion generator alternatively, and this anion generator is arranged to described hair-dryer start and opens.In another embodiment, can determine whether to open anion generator according to hair coarse degree, such as, utilize hair quality roughness measurement unit hereinafter described, when detecting that hair is coarse, open anion generator by main control unit 100.
As shown in Figure 4, be the schematic circuit diagram figure of relevant controlling part of Intelligent blower according to the utility model embodiment.Wherein mainly comprise following part:
1. Power supply part: after switching on power, D1 bridge rectifier is passed through in front end, the components and parts filtering such as EC1, L1, EC2, then is coupled to rear end weak current part by Switching Power Supply IC U1 and isolating transformer T1.Rear end is by EC4 energy storage filtering, and isolation optocoupler OP5 of leading up to feeds back to front end strong power part, separately leads up to three terminal regulator U5, to the 5V power supply of the circuit with stable such as single-chip microcomputer, detecting unit, driving.ACL and ACN two ends, by components and parts such as R28, D9, OP4, R29, C8, form zero cross signal, use when supply switch silicon controlled.
2. epidemic disaster detecting portion: after switching on power, presses the start of power supply (ON/OFF) key, test point is pressed in skin 3 second of forehead close to hair.Automatically enter corresponding gear after 2S to blow.
3. Humidity Detection process: the I/O mouth of single-chip microcomputer by R1 to amplifier IC(U2) the fixing detection pulse of input, when two detecting electrodes are unsettled time, the delivery outlet of amplifier is connected to the analog-to-digital conversion mouth (A/D) of single-chip microcomputer, can't detect voltage signal.When two detecting electrodes are pressed in hair or scalp time, amplified by the signal of amplifier inside, the output port of amplifier has voltage signal.Due to the difference of humidity, the voltage of amplifier output port also can be different, and the voltage signal that the analog-to-digital conversion mouth of single-chip microcomputer collects is different, judges the size of humidity with this.The testing result of this humidity measuring circuit is, when the voltage detected less than or equal to 0.3V time, corresponding humidity is less than 40%, is that humidity is low-grade; When the voltage detected higher than 0.3V and lower than 0.6V time, corresponding humidity is 40%-60%, for humidity is middle-grade; In time detecting voltage higher than 0.6V, corresponding humidity is greater than 60%, for humidity is high-grade.
4. temperature detection process: when Humidity Detection point is pressed simultaneously, the part of temperature sensor can start simultaneously.Temperature sensor is positioned at hair-dryer, is the components and parts that a resistance changes along with the change of temperature, in this testing circuit, by R40 and temperature sensor (NTC) dividing potential drop, then reads voltage by the analog-to-digital conversion mouth (A/D) of single-chip microcomputer.Then, by the voltage read, resistance/thermometer that contrast sensor self is fixing, draws current detected temperatures.According to another embodiment, when the temperature detected is less than or equal to 25 DEG C, be set as the low grade of temperature; When the temperature detected is 25-30 DEG C, be set as the middle-grade of temperature; When the temperature detected is higher than 30 DEG C, be set as the top grade of temperature.
5. load control part: when after set position, corresponding switch control rule is carried out in corresponding load.No matter set which gear, anion generator wherein is all opened.When gear is set as 1-6 shelves as above time, corresponding motor and the SCR control of heating load as follows:
Gear 1: the SCR control of motor opens 50%, the SCR control of heating load opens 30%;
Gear 2: the SCR control of motor opens 100%, the SCR control of heating load opens 30%;
Gear 3: the SCR control of motor opens 50%, the SCR control of heating load opens 60%;
Gear 4: the SCR control of motor opens 100%, the SCR control of heating load opens 60%;
Gear 5: the SCR control of motor opens 50%, the SCR control of heating load opens 100%;
Gear 6: the SCR control of motor opens 100%, the SCR control of heating load opens 100%.
6. button control section:
Power switch key (ON/OFF): click and enter open state, then click and enter off-mode;
Manual mode controls button (Manual): manually select 1-6 mode and gear;
Hair quality selection key (SW1): invalid under manual mode, under automatic mode, promotes hair quality key, makes the corresponding gear of automatically selecting of heating unit gear reduce by one grade.
As shown in Figure 5, be the schematic structure sectional view of the Intelligent blower according to the utility model embodiment, mainly comprise: casing 102, handle 104, air outlet 106, air inlet 108, power switch 110, forward and backward blade 112, heating wire 500, motor 600, hair quality selection key 700, manual mode controls button 800, and is provided with the pcb board 114 of the components and parts such as main control unit, load control unit and circuit.Wherein pcb board 114 is arranged in the handle 104 of hair-dryer.
In yet another embodiment, hair quality roughness measurement unit 900 is also comprised according to Intelligent blower of the present utility model, as shown in Figure 2.Wherein hair quality roughness measurement unit 900 comprises further: arrange in column and can along the comb 902 of the direction movement perpendicular to these row after stressed, impel the reset components 904 that the comb after moving resets, slider 906 relatively-stationary with comb, and the resistance slide rail 908 changing output resistance size is coordinated with described slider, as shown in Figure 6.Its output sends to main control unit 100 by the interface circuit with main control unit, main control unit 100 determines the roughness of hair according to the size of resistance, such as according to an embodiment, can using 40% of full scale as threshold point, determine when exceeding this threshold value that hair quality is coarse, and main control unit 100 can be configured to, when determining that hair quality is coarse, open anion generator.According in an embodiment, the vertical direction that described reset components 904 is included in comb row is connected to two elastic components 910, such as springs of its both sides, and its other end is fixedly connected on fixed axis 912, as shown in Figure 6, the direction wherein arranged perpendicular to comb is that hair pulls direction.In other embodiments, do not get rid of and can carry out equivalence replacement to the reset components 904 in the present embodiment, such as, replace spring by elastic threads, or the disc spring being used as slider replaces reset components shown in Fig. 6.During combing hair, hair produces the pulling force of certain side to comb, and fixed axis activity compression spring causes comb amesiality, and contact 906 slides in the groove of resistance slide rail 908 simultaneously, and change resistance sizes, its instant reading can be converted into hair coarse degree detected value.
According to another embodiment, described hair quality roughness measurement unit 900 is standalone module, and communicate to connect with described main control unit 100, such as connected by bluetooth, as shown in Figure 7, hair-dryer is provided with receiver module 914, and hair quality roughness measurement unit 900 is arranged in comb 916, is arranged in the comb of comb 916 for the comb 902 detecting roughness.
In other embodiments, hair quality roughness measurement unit 900 can also be set to dismountable module, as shown in Figure 8, it can be arranged on hair-dryer casing 102, also can remove from it.
As shown in Figure 9, be use flow chart according to the Intelligent blower of the utility model embodiment.When bringing into use (frame 1002), press power switch key (frame 1004), if then press manual mode to control button (frame 1006), then enter MANUAL CONTROL mode (frame 1008), setting when hair-dryer shut down according to last time starts (frame 1010 and 1012); At this moment, if again press power switch key (frame 1014), then shut down (frame 1040), if press manual mode to control button, according to converting gear (frame 1016 and 1018) shown in Fig. 3.If do not press manual mode after pressing power switch key to control button, then enter Humidity Detection state (frame 1020), if now do not carry out Humidity Detection in preset time period (such as 30 seconds), then shut down (frame 1040); If carried out Humidity Detection (contacting with scalp or hair by Humidity Detection electrode), then enter automatic mode (frame 1022), calculate the humidity and temperature (frame 1024 and 1028) detected, and select air quantity and wind-warm syndrome setting (frame 1026 and 1030); Now, if hair quality selection key is chosen as " health " (frame 1032), then start hair-dryer (frame 1034) according to the air quantity of setting and gear corresponding to wind-warm syndrome; If hair quality selection key is chosen as " unhealthy ", then wind-warm syndrome is turned down (frame 1036) after a gear, start hair-dryer (frame 1034).After end-of-job, again press power switch key (frame 1038), close hair-dryer (frame 1040).
By specific embodiment, the utility model is illustrated above, but the utility model is not limited to these specific embodiments.It will be understood by those skilled in the art that and can also make various amendment, equivalent replacement, change etc. to the utility model.But, as long as these conversion do not deviate from spirit of the present utility model, all should within protection domain of the present utility model.In addition, some terms that present specification and claims use, such as " row ", " vertically " etc. are not restriction, are only used to be convenient to describe.In addition, " embodiment ", " another embodiment ", " other embodiments " etc. described in above many places represent different embodiments, can certainly by its all or part of combination in one embodiment.
Claims (10)
1. an Intelligent blower, comprises heating unit and motor, it is characterized in that, also comprise:
For the temperature detecting unit of testing environment temperature;
For detecting the humidity detection unit of hair-dryer subject humidity;
For the load control unit of the rotating speed of the operating power and described motor that control described heating unit; And
Main control unit, is configured to control according to the temperature and humidity detected the gear that described load control unit selects setting.
2. Intelligent blower as claimed in claim 1, is characterized in that, also comprise: be connected with described main control unit and have the hair quality selection key of " health " and " unhealthy " gear.
3. Intelligent blower as claimed in claim 1, is characterized in that, also comprise: be connected with described main control unit and after shake-up, make the gear of the setting manual mode changed that circulates control button.
4. Intelligent blower as claimed in claim 1, is characterized in that, also comprise: anion generator.
5. Intelligent blower as claimed in claim 1, it is characterized in that, also comprise hair quality roughness measurement unit, it comprises further:
Arrange in column and can along the comb of the direction movement perpendicular to these row after stressed;
Impel the reset components that the comb after moving resets;
Slider relatively-stationary with comb; And
The resistance slide rail changing output resistance size is coordinated with described slider.
6. Intelligent blower as claimed in claim 5, is characterized in that: the vertical direction that described reset components is included in comb row is connected to the elastic component of its both sides.
7. Intelligent blower as claimed in claim 5, is characterized in that: described hair quality roughness measurement unit is standalone module and communicates to connect with described main control unit.
8. Intelligent blower as claimed in claim 1, it is characterized in that: described humidity detection unit comprises a pair Humidity Detection electrode be arranged on hair-dryer casing, the voltage that described main control unit is configured to gather according to being applied to the detection pulse on described detecting electrode determines humidity size.
9. Intelligent blower as claimed in claim 1, is characterized in that: described load control unit comprises the controllable silicon controlling described motor and described heating unit respectively.
10. Intelligent blower as claimed in any one of claims 1-9 wherein, it is characterized in that: described heating unit is the heating wire with multiple operating power gear, described motor is the motor with multiple rotating speed gear.
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| CN201520023293.5U CN204393637U (en) | 2015-01-14 | 2015-01-14 | A kind of Intelligent blower |
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| CN201520023293.5U CN204393637U (en) | 2015-01-14 | 2015-01-14 | A kind of Intelligent blower |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204558A (en) * | 2015-10-23 | 2015-12-30 | 新联电器厂有限公司 | Hair drying control method and hair drying equipment adopting same automatically |
| CN105411149A (en) * | 2015-12-15 | 2016-03-23 | 东莞富美康电器科技有限公司 | 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 |
| CN106037223A (en) * | 2016-05-13 | 2016-10-26 | 京东方科技集团股份有限公司 | Blow-drying device, terminal and blow-drying system |
| CN106968091A (en) * | 2017-03-22 | 2017-07-21 | 苏州亮磊知识产权运营有限公司 | A kind of distributed throttling air feed drying baker and its throttling method |
| CN109090795A (en) * | 2018-08-24 | 2018-12-28 | 深圳市诺科科技有限公司 | A kind of intelligent hair dryer automatically adjusting power |
| CN109645653A (en) * | 2019-01-29 | 2019-04-19 | 深圳市物种起源科技有限公司 | A kind of hair dryer based on personalized tune ginseng |
| CN111025007A (en) * | 2019-12-24 | 2020-04-17 | 追觅科技(上海)有限公司 | Power supply voltage detection method and device and storage medium |
| CN111345569A (en) * | 2018-12-20 | 2020-06-30 | 添可智能科技有限公司 | Intelligent hair drier and method for automatically controlling intelligent hair drier to work |
| CN113439921A (en) * | 2020-03-25 | 2021-09-28 | 松下电器研究开发(苏州)有限公司 | Hair drying equipment, control method thereof and mobile terminal |
| CN115120021A (en) * | 2021-03-26 | 2022-09-30 | 松下电器研究开发(苏州)有限公司 | Hair drier |
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2015
- 2015-01-14 CN CN201520023293.5U patent/CN204393637U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105204558B (en) * | 2015-10-23 | 2017-07-18 | 新联电器厂有限公司 | It is dry to send out control method and the dry hair equipment of this method be realized automatically |
| CN105204558A (en) * | 2015-10-23 | 2015-12-30 | 新联电器厂有限公司 | Hair drying control method and hair drying equipment adopting same automatically |
| CN105411149A (en) * | 2015-12-15 | 2016-03-23 | 东莞富美康电器科技有限公司 | Hair drier |
| CN105639981B (en) * | 2016-03-25 | 2019-01-01 | 中国地质大学（武汉） | A kind of intelligent frequency-conversion hair drier and its control system and method |
| 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 |
| CN106037223A (en) * | 2016-05-13 | 2016-10-26 | 京东方科技集团股份有限公司 | Blow-drying device, terminal and blow-drying system |
| CN106968091A (en) * | 2017-03-22 | 2017-07-21 | 苏州亮磊知识产权运营有限公司 | A kind of distributed throttling air feed drying baker and its throttling method |
| CN109090795A (en) * | 2018-08-24 | 2018-12-28 | 深圳市诺科科技有限公司 | A kind of intelligent hair dryer automatically adjusting power |
| CN111345569A (en) * | 2018-12-20 | 2020-06-30 | 添可智能科技有限公司 | Intelligent hair drier and method for automatically controlling intelligent hair drier to work |
| CN109645653A (en) * | 2019-01-29 | 2019-04-19 | 深圳市物种起源科技有限公司 | A kind of hair dryer based on personalized tune ginseng |
| CN111025007A (en) * | 2019-12-24 | 2020-04-17 | 追觅科技(上海)有限公司 | Power supply voltage detection method and device and storage medium |
| CN111025007B (en) * | 2019-12-24 | 2022-03-29 | 追觅科技(上海)有限公司 | Power supply voltage detection method and device and storage medium |
| CN113439921A (en) * | 2020-03-25 | 2021-09-28 | 松下电器研究开发(苏州)有限公司 | Hair drying equipment, control method thereof and mobile terminal |
| CN113439921B (en) * | 2020-03-25 | 2023-11-07 | 松下家电(中国)有限公司 | Hair drying equipment, control method thereof and mobile terminal |
| CN115120021A (en) * | 2021-03-26 | 2022-09-30 | 松下电器研究开发(苏州)有限公司 | Hair drier |
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