CN116268742A - Handheld electric hair drier and active safety control method thereof - Google Patents
Handheld electric hair drier and active safety control method thereof Download PDFInfo
- Publication number
- CN116268742A CN116268742A CN202310043841.XA CN202310043841A CN116268742A CN 116268742 A CN116268742 A CN 116268742A CN 202310043841 A CN202310043841 A CN 202310043841A CN 116268742 A CN116268742 A CN 116268742A
- Authority
- CN
- China
- Prior art keywords
- timer
- electric hair
- acceleration sensor
- control board
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 230000020169 heat generation Effects 0.000 abstract 1
- 206010019049 Hair texture abnormal Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- A45D20/10—Hand-held drying devices, e.g. air douches
-
- 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
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Cleaning And Drying Hair (AREA)
Abstract
The invention particularly relates to a handheld hair dryer and an active safety control method thereof; the device comprises a fan assembly, a heating assembly, an acceleration sensor and a main control board; after entering the first active protection state, the heating component of the electric hair drier is turned off, heat generation is stopped, and the fan component is turned off after the time T3; after entering the active protection state II, the heating component is turned off, the fan component is turned off after the time T4, and the fan component is turned off later than the heating wire component T4, so that the temperature of the electric hair drier can be rapidly reduced under the influence of wind; by adopting the invention, the air blower can be detected to be in a movable working state in real time through the acceleration sensor, a reasonable use time threshold is designed by matching with the two timers, and double protection of the electric hair blower is carried out through two gradient protection modes; under the condition of not influencing normal use, the electric hair drier is ensured not to be in a long-time uninterrupted power supply state, and the potential safety hazard caused by forgetting to power off is reduced.
Description
Technical Field
The invention relates to the technical field of hair dryers, in particular to a handheld hair dryer and an active safety control method thereof.
Background
The blower is composed of a fan and an electric heating wire. During operation, the heating wire can produce heat, and the wind that the fan blown out just produces hot-blast through heating wire heating, in order to realize the dry hair of more quick, the calorific capacity and the wind speed of current hairdryer are all higher and higher, bring and big potential safety hazard for the user, when the user forgets to close the power or switch mistake triggers, the hairdryer ignites the object on every side very easily and leads to the emergence of fire to go out.
For this purpose, as disclosed in chinese patent (application number: CN 201720931849), an electric hair dryer device capable of automatically switching off is provided, which maintains the communication of the lines by the continuous pressure of the hand to the electric hair dryer handle. However, the scheme changes the habit of using the hair drier by people, and the comfort and convenience are reduced during use.
Disclosure of Invention
The invention aims to provide a handheld hair dryer and an active safety control method thereof, so as to solve the technical problem.
A hand-held electric hair drier comprises a fan assembly, a heating assembly, an acceleration sensor and a main control board;
the main control board is internally provided with a control circuit for controlling the start and stop of the fan assembly and the heating assembly; the acceleration sensor is in signal connection with the main control board; the master control board is internally provided with a time control circuit, and the time control circuit comprises a timer A and a timer B; the timer A and the timer B are respectively used for timing protection of two states of automatic control of the handheld electric hair drier;
an active safety control method of a hand-held electric hair dryer is applied to the hand-held electric hair dryer, and comprises the following steps:
s1, a user turns on a handheld electric hair drier, a power supply is turned on, and a timer A and a timer B are reset and stand by;
s2, starting a fan assembly and a heating assembly of the handheld electric hair dryer, starting timing by a timer A and a timer B, and collecting acceleration data Gx, gy and Gz of an X axis, a Y axis and a Z axis of the electric hair dryer by an acceleration sensor;
s3, after receiving the acceleration receipt in the S2, the main control board judges whether the electric hair drier is effectively moved and used; when judging movement, timely clearing the timer A;
s4, when the timer is judged to be stationary, the relation between the time Ta of the timer A and the set time T1 is further judged; ta is more than or equal to T1, and the blower enters an active protection state I to perform automatic control protection; when Ta is smaller than T1, the blower judges the relation between the time Tb of the timer B and the set time T2;
s5, when Tb is more than or equal to T2, the blower enters a second protection state; when Tb is smaller than T2, the acceleration sensor of the main control board repeats the step S2 until the time Tb of the timer B is larger than or equal to T2, and the main control board enters an active protection state II;
further, in the step S4, after entering the active protection state one, the method includes the following steps:
s41, after entering an active protection state I, the timer A continues to count Ta, and the acceleration sensor continues to monitor the motion state; firstly, the main control board turns off the heating component;
s42, when Ta is more than or equal to T3, turning off the fan assembly; the acceleration sensor continuously monitors the movement;
s43, when the acceleration sensor detects that a motion state exists, the active protection state I is exited, the heating component and the fan component are automatically started, the timer A is cleared to start timing upwards, and the step S3 is returned;
further, in the step S5, after entering the active protection state two, the method includes the following steps:
s51, after entering an active protection state II, a timer B continues to count Tb, the acceleration sensor is closed, and the main control board closes the heating component;
s52, when Tb is greater than T4, turning off the fan assembly; the hand-held electric hair drier is powered off; after waiting for restarting the power supply, restarting after plugging in the power supply again;
further, in the step S2-S4, the acceleration sensor is always operated, and is used for detecting whether the electric hair drier moves, when the electric hair drier moves, the step S2 is repeatedly entered until the entering acceleration sensor determines that it is stationary, and the step S3 can be entered.
Compared with the prior art, the invention has the following beneficial effects:
by adopting the invention, the air blower can be detected to be in a movable working state in real time through the acceleration sensor, a reasonable use time threshold is designed by matching with the two timers, and double protection of the electric hair blower is carried out through two gradient protection modes; under the condition of not influencing normal use, the electric hair drier is ensured not to be in a long-time uninterrupted power supply state, and the potential safety hazard caused by forgetting to power off is reduced.
Drawings
FIG. 1 is a schematic workflow diagram of an active safety control method of a hand-held hair dryer according to the present invention;
FIG. 2 is a flow chart of the active protection state one in the present invention;
fig. 3 is a flow chart of the active protection state two in the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 3, a hand-held hair dryer, includes a fan assembly, a heating assembly, an acceleration sensor, and a main control board;
the main control board is internally provided with a control circuit for controlling the start and stop of the fan assembly and the heating assembly; the acceleration sensor is in signal connection with the main control board; the master control board is internally provided with a time control circuit, and the time control circuit comprises a timer A and a timer B; the timer A and the timer B are respectively used for timing protection of two states of automatic control of the handheld electric hair drier;
an active safety control method of a hand-held electric hair dryer is applied to the hand-held electric hair dryer, and comprises the following steps:
s1, a user turns on a handheld electric hair drier, a power supply is turned on, and a timer A and a timer B are reset and stand by;
s2, starting a fan assembly and a heating assembly of the handheld electric hair dryer, starting timing by a timer A and a timer B, and collecting acceleration data Gx, gy and Gz of an X axis, a Y axis and a Z axis of the electric hair dryer by an acceleration sensor;
s3, after receiving the acceleration receipt in the S2, the main control board judges whether the electric hair drier is effectively moved and used; when judging movement, timely clearing the timer A;
s4, when the timer is judged to be stationary, the relation between the time Ta of the timer A and the set time T1 is further judged; ta is more than or equal to T1, and the blower enters an active protection state I to perform automatic control protection; when Ta is smaller than T1, the blower judges the relation between the time Tb of the timer B and the set time T2;
s41, after entering an active protection state I, the timer A continues to count Ta, and the acceleration sensor continues to monitor the motion state; firstly, the main control board turns off the heating component;
s42, when Ta is more than or equal to T3, turning off the fan assembly; the acceleration sensor continuously monitors the movement;
s43, when the acceleration sensor detects that a motion state exists, the active protection state I is exited, the heating component and the fan component are automatically started, the timer A is cleared to start timing upwards, and the step S3 is returned;
s5, when Tb is more than or equal to T2, the blower enters a second protection state; when Tb is smaller than T2, the acceleration sensor of the main control board repeats the step S2 until the time Tb of the timer B is larger than or equal to T2, and the main control board enters an active protection state II;
s51, after entering an active protection state II, a timer B continues to count Tb, the acceleration sensor is closed, and the main control board closes the heating component;
s52, when Tb is greater than T4, turning off the fan assembly; the hand-held electric hair drier is powered off; after waiting for restarting the power supply, restarting after plugging in the power supply again;
further, in the step S2-S4, the acceleration sensor is always operated, and is used for detecting whether the electric hair drier moves, when the electric hair drier moves, the step S2 is repeatedly entered until the entering acceleration sensor judges that the electric hair drier is stationary, and the step S3 can be entered;
in the specific implementation process of the invention, after the electric hair drier starts to work, the timer A and the timer B start to count upwards, and the acceleration sensor continuously collects the gravity accelerations Gx, gy and Gz of the electric hair drier on the three axes of X, Y, Z; in a certain period, calculating the maximum acceleration, the minimum acceleration and the average acceleration of each axis in the period;
and continuously judging the acceleration variation and the total acceleration variation of each axis in adjacent periods, and judging that the electric hair drier effectively moves when the acceleration variation of one axis exceeds the set acceleration variation threshold of the axis or when the total acceleration variation exceeds the set total acceleration variation threshold.
When detecting that the electric hair drier has effective movement, clearing Ta of the timer A, and enabling the timer A to continuously count up Ta from 0.
When the effective movement of the electric hair drier is not detected, and the Ta timing value of the timer A reaches or is larger than the set timing threshold T1, entering an active protection state I;
after entering the first active protection state, the heating component of the electric hair drier is firstly turned off to stop generating heat, and after the preset time T3, the fan component is turned off, and the fan component is turned off later than the heating wire component T3 in time, so that the temperature of the electric hair drier can be rapidly reduced under the influence of wind;
after entering the first active protection state, when the effective movement of the electric hair drier is detected again, the timer A and the timer B are cleared, so that the timer A starts to count upwards continuously from 0, the first active protection state is exited, and the fan component and the heating wire component are restored to the original working state.
If the standby time is too long, the timer B always starts to count upwards; when the timing value Tb of the timer B reaches or is larger than the designed timing threshold S2, entering an active protection state II; after entering the active protection state II, firstly closing a heating component of the electric hair drier to stop generating heat, and closing a fan component after a preset time T4, wherein the fan component is closed later than the heating wire component T4 in time, so that the temperature of the electric hair drier can be rapidly reduced under the influence of wind;
after entering the active protection state II, the user is required to disconnect the power supply of the electric hair drier and to restart the electric hair drier to recover the work.
By adopting the invention, the air blower can be detected to be in a movable working state in real time through the acceleration sensor, a reasonable use time threshold is designed by matching with the two timers, and double protection of the electric hair blower is carried out through two gradient protection modes; under the condition of not influencing normal use, the electric hair drier is ensured not to be in a long-time uninterrupted power supply state, and the potential safety hazard caused by forgetting to power off is reduced.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The handheld electric hair drier is characterized by comprising a fan assembly, a heating assembly, an acceleration sensor and a main control board;
the main control board is internally provided with a control circuit for controlling the start and stop of the fan assembly and the heating assembly; the acceleration sensor is in signal connection with the main control board; the master control board is internally provided with a time control circuit, and the time control circuit comprises a timer A and a timer B; the timer A and the timer B are respectively used for timing protection of two states of automatic control of the handheld electric hair drier.
2. An active safety control method for a hand-held electric hair dryer, which is characterized by being applied to the hand-held electric hair dryer as claimed in claim 1, and comprising the following steps:
s1, a user turns on a handheld electric hair drier, a power supply is turned on, and a timer A and a timer B are reset and stand by;
s2, starting a fan assembly and a heating assembly of the handheld electric hair dryer, starting timing by a timer A and a timer B, and collecting acceleration data Gx, gy and Gz of an X axis, a Y axis and a Z axis of the electric hair dryer by an acceleration sensor;
s3, after receiving the acceleration receipt in the S2, the main control board judges whether the electric hair drier is effectively moved and used; when judging movement, timely clearing the timer A;
s4, when the timer is judged to be stationary, the relation between the time Ta of the timer A and the set time T1 is further judged; ta is more than or equal to T1, and the blower enters an active protection state I to perform automatic control protection; when Ta is smaller than T1, the blower judges the relation between the time Tb of the timer B and the set time T2;
s5, when Tb is more than or equal to T2, the blower enters a second protection state; and when Tb is smaller than T2, the main control board acceleration sensor repeats the step S2 until the time Tb of the timer B is larger than or equal to T2, and enters an active protection state II.
3. The method for actively controlling safety of a hand-held hair dryer according to claim 2, wherein in S4, after entering an active protection state one, the method comprises the following steps:
s41, after entering an active protection state I, the timer A continues to count Ta, and the acceleration sensor continues to monitor the motion state; firstly, the main control board turns off the heating component;
s42, when Ta is more than or equal to T3, turning off the fan assembly; the acceleration sensor continuously monitors the movement;
s43, when the acceleration sensor detects that a motion state exists, the active protection state I is exited, the heating component and the fan component are automatically started, the timer A is cleared to start timing upwards, and the step S3 is returned.
4. The method for actively controlling safety of a hand-held hair dryer according to claim 2, wherein in S5, after entering the active protection state two, the method comprises the following steps:
s51, after entering an active protection state II, a timer B continues to count Tb, the acceleration sensor is closed, and the main control board closes the heating component;
s52, when Tb is greater than T4, turning off the fan assembly; the hand-held electric hair drier is powered off; and after waiting for the power supply to be restarted, the power supply is plugged in again.
5. The active safety control method of a hand-held hair dryer according to claim 2, wherein in S2-S4, the acceleration sensor is always operated to detect whether the hair dryer is moving, and when the hair dryer is moving, the step S2 is repeated until the acceleration sensor is stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043841.XA CN116268742A (en) | 2023-01-29 | 2023-01-29 | Handheld electric hair drier and active safety control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310043841.XA CN116268742A (en) | 2023-01-29 | 2023-01-29 | Handheld electric hair drier and active safety control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116268742A true CN116268742A (en) | 2023-06-23 |
Family
ID=86833160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310043841.XA Pending CN116268742A (en) | 2023-01-29 | 2023-01-29 | Handheld electric hair drier and active safety control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116268742A (en) |
-
2023
- 2023-01-29 CN CN202310043841.XA patent/CN116268742A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2010511367A5 (en) | ||
| JPH10502768A (en) | Automatic shut-off and indicating device for electric heating equipment and electric iron with such device | |
| CN109236700B (en) | Fan energy-saving control method, energy-saving control system and fan thereof | |
| WO2011060666A1 (en) | Soft-start module and startup device for motor controller using the same | |
| CN108540664B (en) | Starting method and electronic equipment | |
| CN105094015A (en) | Control circuit, control method, and shooting device using the control circuit | |
| CN110515462A (en) | It is a kind of intelligence wearable device in apply control method, device | |
| CN116268742A (en) | Handheld electric hair drier and active safety control method thereof | |
| JP6223266B2 (en) | Power switching system | |
| CN106292968A (en) | Electronic system, Wearable electronic installation and power control method thereof | |
| CN112781188A (en) | Air conditioner control method and device, storage medium and controller | |
| JP2004194481A (en) | Battery charging controlling device and battery charging device | |
| CN110895028A (en) | Control method for reducing standby power consumption of air conditioner, computer readable storage medium and air conditioner | |
| CN210466706U (en) | Control device of remote controller power supply and remote controller | |
| CN212694372U (en) | Electronic device | |
| CN110224473B (en) | Power supply method and device of cleaning machine and cleaning machine | |
| CN107306028B (en) | Method and device for identifying the switching position of an operating switch for putting an electric motor into operation | |
| KR100559946B1 (en) | Power Management Device and Method | |
| CN211792101U (en) | Automatic defogging device for mirrors | |
| CN113623822B (en) | Air conditioner energy-saving control method, air conditioner and computer readable storage medium | |
| JP2001340960A (en) | Soldering iron | |
| CN112399649B (en) | Heating control circuit and terminal equipment | |
| CN217986895U (en) | Electric hair drier with human body induction function | |
| CN112506572B (en) | OPS system restoration method, device and storage medium | |
| JP2002355212A (en) | Interruption restoring dish washer/dryer, interruption restoring full automatic washer/dryer, and interruption restoring electric appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |