CN111802777B - Intelligent control method for handheld electric hair drier - Google Patents
Intelligent control method for handheld electric hair drier Download PDFInfo
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- CN111802777B CN111802777B CN202010751174.7A CN202010751174A CN111802777B CN 111802777 B CN111802777 B CN 111802777B CN 202010751174 A CN202010751174 A CN 202010751174A CN 111802777 B CN111802777 B CN 111802777B
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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
- A45D20/10—Hand-held drying devices, e.g. air douches
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
Abstract
The invention discloses an intelligent control method of a handheld electric hair drier, which comprises the following steps: detecting a temperature sensing signal, a humidity sensing signal, a hair length signal and a hair thickness signal on the surface of human hair in real time; detecting indoor real-time environment information in real time; the controller receives the human body hair temperature value, the human body hair humidity value, the hair length value, the hair density value and the real-time environment information, and analyzes and processes the information; detecting the current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor, and comparing the current temperature value G with the minimum value and the maximum value by a judging unit in the controller; controlling an infrared sensor on the electric hair drier to detect the intensity of the human body radiation energy in the current environment, judging whether the detected intensity of the human body radiation energy is greater than a preset value or not, and controlling the running state of the electric hair drier according to a judgment result.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to an intelligent control method for a handheld electric hair drier.
Background
The blower is composed of a group of electric heating wires and a high-speed small fan. When the fan is electrified, the heating wire can generate heat, and the air blown out by the fan passes through the heating wire and is changed into hot air. If only the small fan rotates and the heating wire is not hot, only wind but not heat is blown out. The wind that the hair-dryer blew out belongs to the drier, if the time overlength of using, can cause the loss of moisture very easily, causes the thermal injury, falls to the secret formula of minimum just to the damage: patting the hair dry with a towel, smoothing the hair with a hand, and then with a hair dryer.
The publication No. CN111059760A discloses a control method and a control system of an electric hair dryer, wherein the control method comprises the steps of setting a pre-air-out temperature and a wind speed range; detecting real-time air outlet temperature, real-time heating wire temperature and real-time air outlet speed; adjusting real-time current parameters output to the heating wire; the rotating speed of the motor is controlled through an FOC vector control algorithm. This technical scheme intervenes real-time air-out temperature through two means simultaneously when needing to adjust real-time air-out temperature, and one is the current parameter of adjusting output heating wire, and another is the motor speed of adjusting in the hair dryer, intervenes real-time heating wire temperature in the electric hair dryer through the convection current to intervene the real-time air-out temperature of electric hair dryer, intervene the governing speed that has improved electric hair dryer air-out temperature greatly through two means simultaneously to real-time air-out temperature, and the ageing is strong.
However, the temperature of the outlet air and the wind speed are set in a fixed temperature range and wind speed range; when a user dries hair, due to the fact that the environment temperature and humidity, the hair length and the hair thickness are different, the required air outlet temperature and the air speed are different, people do not pursue simple hair drying any more, and more pursue safe and comfortable multifunctional hair dryers; when the electric hair drier is used, a plurality of people do not want to make the electric hair drier in a working state for a long time, the heat dissipation of the electric hair drier is not timely easily caused for a long time, the electric hair drier is easy to break down due to over-working, and the electric hair drier is likely to catch fire when in use and burn users; when the electric hair drier is held by a hand to work, the distance between the electric hair drier and hair can also be changed, but the wind speed of the electric hair drier cannot be changed along with the change of the distance, and the electric hair drier needs to be readjusted by a user, so that inconvenience is brought to the user.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the intelligent control method of the handheld electric hair drier, which utilizes the acquired data to control the output temperature and the wind speed of the electric hair drier, so that the output temperature and the wind speed of the electric hair drier are not fixed any more, and has the advantages of low power consumption, safety, environmental protection and simple operation;
the current temperature value G at the outlet of the electric hair drier is detected in real time through the temperature sensor, the current temperature value G is compared with the minimum value and the maximum value, the air temperature of the electric hair drier is adjusted through the temperature adjusting unit, the air outlet temperature of the electric hair drier can be always kept within a certain range, forced shutdown caused by starting a protection mechanism of the electric hair drier due to overhigh temperature is avoided, and the temperature range cannot be reached due to overlow temperature;
when the electric hair drier works normally, the infrared sensor on the electric hair drier is controlled to detect the intensity of the human body radiation energy in the current environment, whether the detected intensity of the human body radiation energy is larger than a preset value or not is judged, and the running state of the electric hair drier is controlled according to the judgment result, so that the air outlet temperature of the electric hair drier is in a certain range, the situations that a user catches a cold due to too high air speed of the electric hair drier and the user is too hot due to too low air speed of the electric hair drier are avoided, and the user experience is improved;
the intelligent terminal controls the temperature and the wind speed, so that all users can participate in the intelligent terminal, and the intelligent terminal transmits data required by different hairstyles designed by the users to the controller, so that the temperature and the wind speed of the electric hair drier are controlled.
The purpose of the invention can be realized by the following technical scheme: an intelligent control method for a handheld electric hair drier comprises the following steps:
the method comprises the following steps: detecting a temperature sensing signal, a humidity sensing signal, a hair length signal and a hair density signal on the surface of human hair in real time, converting the temperature sensing signal, the humidity sensing signal, the hair length signal and the hair density signal into electric signals and sending the electric signals to a controller, wherein the controller is used for receiving the electric signals and reading a corresponding temperature value, a humidity value, a hair length value and a hair density value in real time;
step two: detecting indoor real-time environment information in real time and sending the acquired real-time environment information to a controller through a Zigbee wireless network; the real-time environment information comprises real-time indoor temperature and real-time indoor humidity;
step three: the controller receives the human body hair temperature value, the human body hair humidity value, the hair length value, the hair density value and the real-time environment information, and analyzes and processes the information; the method comprises the following specific steps:
s31: marking the temperature value of the human hair as T1, the humidity value of the human hair as W1, the length value of the human hair as C1, the density value of the human hair as D1, the real-time indoor temperature as T '1 and the real-time indoor humidity as W'1;
s32: using a formula
Obtaining a temperature compensation value QX; wherein a1, a2, a3 and a4 are all preset coefficient factors;
s33: a heating module is arranged in an air outlet pipe of the electric hair drier, and the air temperature of the electric hair drier is set to 3 grades, for example, the temperature range of the first-stage air temperature is 40-50 ℃, the temperature range of the second-stage air temperature is 50-60 ℃, and the temperature range of the third-stage air temperature is 60-70 ℃; the first stage air temperature corresponds to a first interval temperature compensation value, the second stage air temperature corresponds to a second interval temperature compensation value, and the third stage air temperature corresponds to a third interval temperature compensation value;
s34: selecting a temperature compensation value interval matched with the temperature compensation value QX to obtain a corresponding air temperature grade, and adjusting the air temperature of the electric hair drier to a corresponding temperature range by a controller;
s35: obtaining a humidity compensation value RX by using a formula RX = W1 × b1+ W'1 × b2+ C1 × b3+ D1 × b 4; wherein b1, b2, b3 and b4 are all preset coefficient factors;
s36: the wind speed that sets up the hairdryer is 3 grades, does respectively: low-speed wind, medium-speed wind and high-speed wind; wherein the wind speed of each grade corresponds to different humidity compensation value intervals;
s37: selecting a humidity compensation value interval matched with the humidity compensation value RX to obtain a corresponding wind speed grade, and adjusting the wind speed of the electric hair drier to the corresponding wind speed grade by a controller;
step four: in a working state, detecting a current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor, and sending the detected current temperature value G to a controller, wherein a preset temperature range G1-G2 is stored in the controller, G1 is the minimum value, and G2 is the maximum value; a determination unit in the controller compares a current temperature value G with the minimum and maximum values;
s41: if the current temperature value G is larger than the maximum value G2, a first signal is sent to a temperature adjusting unit; the temperature regulating unit analyzes the current temperature value G:
using formulas
Obtaining a first auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the first auxiliary temperature G';
s42: if the current temperature G is smaller than the minimum value G1, sending a second signal to a temperature adjusting unit, and analyzing the current temperature value G by the temperature adjusting unit;
using formulas
Obtaining a second auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the second auxiliary temperature G';
step five: when the temperature and the humidity of the human hair are both within the preset threshold range, the controller controls the electric hair drier to stop working.
Further, an infrared sensor on the electric hair drier is controlled to detect the intensity of the human body radiation energy in the current environment and transmit the detected intensity of the human body radiation energy in the current environment to the controller;
s51: the controller receives the current temperature value G at the outlet of the electric hair drier detected by the temperature sensor and the intensity of the human body radiation energy in the current environment detected by the infrared sensor; judging whether the detected current temperature value G falls into a preset temperature range G1-G2;
s52: if not, executing step S41 and step S42, and adjusting the air temperature of the blower through the temperature adjusting unit;
s53: if so, judging whether the intensity of the detected human body radiation energy is greater than a preset value or not, and controlling the running state of the electric hair drier according to a judgment result; the running state of the electric hair drier comprises the steps of increasing the rotating speed of the electric hair drier, reducing the rotating speed of the electric hair drier and closing the electric hair drier;
s531: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is less than or equal to a preset value, increasing the rotating speed of the electric hair drier;
s532: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is greater than a preset value, reducing the rotating speed of the electric hair drier;
s533: and when the detected temperature is higher than the maximum value in the specific temperature range, the rotating speed of the electric hair drier is increased.
Further, the heating module comprises a third-gear heating wire; the first-gear electric heating wire is composed of a single group of resistance wires, the second-gear resistance wire is composed of a first group of resistance wires and a second group of resistance wires which are connected in series, the third-gear resistance wire is composed of a first group of resistance wires, a second group of resistance wires and a third group of resistance wires which are connected in series, and the third-gear electric heating wire corresponds to three temperature range gears; the first temperature range corresponds to a third-gear resistance wire, the second temperature range corresponds to a second-gear resistance wire, and the third temperature range corresponds to the first-gear resistance wire;
the controller comprises a control chip, wherein the control chip comprises a storage unit, a judging unit, a temperature adjusting unit and a wind speed adjusting unit; the storage unit stores a preset temperature range G1-G2, wherein G1 is the minimum value, and G2 is the maximum value.
Further, in the fourth step, if the current temperature value G is greater than the maximum value G2, the determination unit determines which temperature range gear of the three temperature range gears the first auxiliary temperature G' falls in, and then controls the temperature adjustment unit to connect with the corresponding gear resistance wire to adjust the air temperature of the blower;
if the current temperature G is smaller than the minimum value G1, the judging unit judges which temperature range gear of the three temperature range gears the second auxiliary temperature G' falls into, and then the temperature adjusting unit is controlled to be connected with the corresponding gear resistance wire to adjust the air temperature of the blower.
Furthermore, the controller is wirelessly connected with the intelligent terminal, and is also used for receiving a control command sent by the intelligent terminal, controlling the working states of the temperature adjusting unit and the wind speed adjusting unit according to the control command, and sending real-time temperature and wind speed data information to the intelligent terminal;
the intelligent terminal comprises an MCU and a hairstyle selecting module; the MCU is connected with the controller through the wireless communication module, the hairstyle selecting module stores working parameters of various hairstyles, reads the working parameters of different hairstyles, generates corresponding control commands according to the working parameters of the different hairstyles, sends the control commands to the controller of the electric hair dryer, and controls the working states of the temperature adjusting unit and the wind speed adjusting unit;
the temperature regulation unit comprises an infrared radiation tube, the temperature regulation unit controls the working current of the infrared radiation tube to regulate the air outlet temperature, the air speed regulation unit controls the working frequency of the fan to regulate the air outlet speed, and the air outlet temperature and the air outlet speed are matched and regulated to keep the surface temperature and the humidity of human hair constant near a preset threshold value.
Further, the working parameters of each hairstyle specifically include a wind speed mode and a running time corresponding to each wind speed mode, and a heating mode and a heating time corresponding to each heating mode;
further, the control method further includes:
s11: setting the continuous working time of the electric hair drier;
s12: when the electric hair drier starts to work, the controller sends an electric signal to the timing module to start timing, and the circuit is automatically cut off when the upper limit of the service time is reached;
s12: after the circuit is cut off, the controller sends an electric signal to the voice control module, and the voice control module sends voice prompt information to remind a user that the user needs to have a rest due to overlong use time.
The invention has the beneficial effects that:
(1) The method comprises the steps of collecting a human body hair temperature value, a human body hair humidity value, a hair length value, a hair density value and real-time environment information, and analyzing and processing the collected information; the output temperature and the wind speed of the electric hair drier are controlled by the collected data, so that the output of the electric hair drier is no longer a fixed temperature and wind speed, the electric hair drier has the advantages of low power consumption, safety, environmental protection and simplicity in operation, and is novel in design, high in intelligent degree, wide in application range and capable of bringing better experience to users.
(2) The invention detects the current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor; the judging unit in the controller compares the current temperature value G with the minimum value and the maximum value, and the air temperature of the hair dryer is adjusted through the temperature adjusting unit, so that the air outlet temperature of the hair dryer can be always kept within a certain range, forced shutdown caused by starting a protection mechanism of the hair dryer due to overhigh temperature is avoided, and the temperature range cannot be reached due to overlow temperature.
(3) According to the invention, the infrared sensor on the electric hair drier is controlled to detect the intensity of the human body radiation energy in the current environment, whether the detected intensity of the human body radiation energy is greater than a preset value or not is judged, and the running state of the electric hair drier is controlled according to the judgment result, so that the air outlet temperature of the electric hair drier is in a certain range, the situations that a user gets cold due to too high air speed of the electric hair drier and the user is too hot due to too low air speed of the electric hair drier are avoided, and the user experience is improved.
(4) The intelligent terminal controls the temperature and the wind speed, so that all users can participate in the intelligent terminal, and the intelligent terminal transmits data required by different hairstyles designed by the users to the controller, so that the temperature and the wind speed of the electric hair drier are controlled.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an intelligent control method for a hand-held hair dryer comprises the following steps:
the method comprises the following steps: detecting a temperature sensing signal, a humidity sensing signal, a hair length signal and a hair density signal on the surface of human hair in real time, converting the temperature sensing signal, the humidity sensing signal, the hair length signal and the hair density signal into electric signals and sending the electric signals to a controller, wherein the controller is used for receiving the electric signals and reading a corresponding temperature value, a humidity value, a hair length value and a hair density value in real time;
step two: detecting indoor real-time environment information in real time and sending the acquired real-time environment information to a controller through a Zigbee wireless network; the real-time environmental information comprises real-time indoor temperature and real-time indoor humidity;
step three: the controller receives the human body hair temperature value, the human body hair humidity value, the hair length value, the hair density value and the real-time environment information, and analyzes and processes the information; the method comprises the following specific steps:
s31: marking a human hair temperature value as T1, a human hair humidity value as W1, a hair length value as C1, a hair density value as D1, a real-time indoor temperature as T '1 and a real-time indoor humidity as W'1;
s32: using formulas
Obtaining a temperature compensation value QX; wherein a1, a2, a3 and a4 are all preset coefficient factors;
s33: a heating module is arranged in an air outlet pipe of the electric hair drier, and the air temperature of the electric hair drier is set to be 3 grades, for example, the temperature range of the first-grade air temperature is 40-50 ℃, the temperature range of the second-grade air temperature is 50-60 ℃, and the temperature range of the third-grade air temperature is 60-70 ℃; the first stage air temperature corresponds to a first interval temperature compensation value, the second stage air temperature corresponds to a second interval temperature compensation value, and the third stage air temperature corresponds to a third interval temperature compensation value;
s34: selecting a temperature compensation value interval matched with the temperature compensation value QX to obtain a corresponding air temperature grade, and adjusting the air temperature of the electric hair drier to a corresponding temperature range by a controller;
s35: obtaining a humidity compensation value RX by using a formula RX = W1 × b1+ W'1 × b2+ C1 × b3+ D1 × b 4; wherein b1, b2, b3 and b4 are all preset coefficient factors;
s36: the wind speed that sets up the hairdryer is 3 grades, is respectively: low-speed wind, medium-speed wind and high-speed wind; wherein the wind speed of each grade corresponds to different humidity compensation value intervals;
s37: selecting a humidity compensation value interval matched with the humidity compensation value RX to obtain a corresponding wind speed grade, and adjusting the wind speed of the electric hair drier to the corresponding wind speed grade by a controller;
step four: under the working state, detecting the current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor, and sending the detected current temperature value G to a controller, wherein a preset temperature range G1-G2 is stored in the controller, G1 is the minimum value, and G2 is the maximum value; a determination unit in the controller compares a current temperature value G with the minimum and maximum values;
s41: if the current temperature value G is larger than the maximum value G2, a first signal is sent to a temperature adjusting unit; the temperature regulating unit analyzes the current temperature value G:
using formulas
Obtaining a first auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the first auxiliary temperature G';
s42: if the current temperature G is smaller than the minimum value G1, sending a second signal to a temperature adjusting unit, and analyzing the current temperature value G by the temperature adjusting unit;
using a formula
Obtaining a second auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the second auxiliary temperature G';
step five: when the electric hair drier works normally, an infrared sensor on the electric hair drier is controlled to detect the intensity of the human body radiation energy in the current environment and transmit the detected intensity of the human body radiation energy in the current environment to a controller, and when the collected intensity of the human body radiation energy is stronger, the density of the human body radiation energy is correspondingly larger; when the intensity of the collected human body radiation energy is weaker, the density of the human body radiation energy is correspondingly smaller; the infrared ray radiated by human body has the strongest wavelength between 9-10 um and the energy between 10-100W, and the radiation energy density is inversely proportional to the distance; that is, the intensity of the human body's radiant energy is also inversely proportional to the distance;
s51: the controller receives the current temperature value G at the outlet of the electric hair drier detected by the temperature sensor and the intensity of the human body radiation energy in the current environment detected by the infrared sensor; judging whether the detected current temperature value G falls into a preset temperature range G1-G2;
s52: if not, executing step S41 and step S42, and adjusting the air temperature of the blower through the temperature adjusting unit;
s53: if so, judging whether the intensity of the detected human body radiation energy is greater than a preset value or not, and controlling the running state of the electric hair drier according to a judgment result; the running state of the electric hair drier comprises the steps of increasing the rotating speed of the electric hair drier, reducing the rotating speed of the electric hair drier and closing the electric hair drier;
s531: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is less than or equal to a preset value, increasing the rotating speed of the electric hair drier;
s532: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is greater than a preset value, reducing the rotating speed of the electric hair drier;
s533: when the detected temperature is higher than the maximum value in the specific temperature range, the rotating speed of the electric hair drier is increased;
when the intensity of the human body radiation energy is less than or equal to a preset value, a situation that the user is far away from the infrared sensor may occur; namely, the distance between the user and the electric hair drier is longer, and the rotating speed of the electric hair drier can be increased through the wind speed adjusting unit, so that the drying efficiency of the hair is improved; when the intensity of the radiation energy of the human body is greater than the preset value, the situation that the user is close to the infrared sensor may occur, namely, the distance between the user and the electric hair drier is close, the rotating speed of the electric hair drier can be reduced through the wind speed adjusting unit, and more comfortable experience is brought to the user;
step six: when the temperature and the humidity of the human hair are both within the preset threshold range, the controller controls the electric hair drier to stop working.
The heating module comprises a three-gear electric heating wire; the first-gear electric heating wire is composed of a single group of resistance wires, the second-gear resistance wire is composed of a first group of resistance wires and a second group of resistance wires which are connected in series, the third-gear resistance wire is composed of a first group of resistance wires, a second group of resistance wires and a third group of resistance wires which are connected in series, and the third-gear electric heating wire corresponds to three temperature range gears; the first temperature range corresponds to a third-gear resistance wire, the second temperature range corresponds to a second-gear resistance wire, and the third temperature range corresponds to the first-gear resistance wire;
the controller comprises a control chip, wherein the control chip comprises a storage unit, a judging unit, a temperature adjusting unit and a wind speed adjusting unit; the storage unit stores a preset temperature range G1-G2, wherein G1 is the minimum value, and G2 is the maximum value;
in the fourth step, if the current temperature value G is greater than the maximum value G2, the judging unit judges which temperature range gear of the three temperature range gears the first auxiliary temperature G' falls in, and then controls the temperature adjusting unit to connect with the corresponding gear resistance wire to adjust the air temperature of the blower;
if the current temperature G is smaller than the minimum value G1, the judging unit judges which temperature range gear of the three temperature range gears the second auxiliary temperature G' falls in, and then controls the temperature adjusting unit to connect the corresponding gear resistance wire to adjust the air temperature of the blower;
the controller is wirelessly connected with the intelligent terminal and is also used for receiving a control command sent by the intelligent terminal, controlling the working states of the temperature adjusting unit and the wind speed adjusting unit according to the control command and sending real-time temperature and wind speed data information to the intelligent terminal;
the intelligent terminal is used for sending a control command to the controller and also used for receiving and displaying real-time temperature and wind speed data information sent by the controller; the electric hair drier also comprises a wireless communication module, and the wireless communication module is used for providing a bidirectional data information transmission channel between the intelligent terminal and the controller.
The intelligent terminal comprises an MCU and a hair style selection module,
the MCU is connected with the controller through the wireless communication module, the hairstyle selecting module stores working parameters of various hairstyles, reads the working parameters of different hairstyles, generates corresponding control commands according to the working parameters of the different hairstyles, sends the control commands to the controller of the electric hair dryer, and controls the working states of the temperature adjusting unit and the wind speed adjusting unit;
the working parameters of each hairstyle specifically comprise a wind speed mode and the corresponding running time of each wind speed mode, and a heating mode and the corresponding heating time of each heating mode;
the temperature adjusting unit comprises an infrared radiation tube, the temperature adjusting unit controls the working current of the infrared radiation tube to adjust the air outlet temperature, the air speed adjusting unit controls the working frequency of the fan to adjust the air outlet speed, and the surface temperature and the humidity of human hair are kept constant near a preset threshold value through the matching adjustment of the air outlet temperature and the air outlet speed;
the control method further comprises the following steps:
s11: setting the continuous working time of the electric hair drier;
s12: when the electric hair drier starts to work, the controller sends an electric signal to the timing module to start timing, and the circuit is automatically cut off when the upper limit of the service time is reached;
s12: after the circuit is cut off, the controller sends an electric signal to the voice control module, and the voice control module sends voice prompt information to remind a user that the user needs to have a rest for too long time, so that the use safety is guaranteed.
Handheld hairdryerThe intelligent control method comprises the steps that when the intelligent control method works, firstly, temperature induction signals, humidity induction signals, hair length signals and hair thickness signals of the surface of human hair are detected in real time; the controller reads the corresponding temperature value, humidity value, hair length value and hair density value in real time; detecting indoor real-time environment information in real time and sending the acquired real-time environment information to a controller through a Zigbee wireless network; the controller receives the human body hair temperature value, the human body hair humidity value, the hair length value, the hair thickness value and the real-time environment information, and analyzes and processes the information; using formulas
Obtaining a temperature compensation value QX; selecting a temperature compensation value interval matched with the temperature compensation value QX to obtain a corresponding air temperature grade, and adjusting the air temperature of the electric hair drier to a corresponding temperature range by a controller; obtaining a humidity compensation value RX by using a formula RX = W1 × b1+ W'1 × b2+ C1 × b3+ D1 × b 4; selecting a humidity compensation value interval matched with the humidity compensation value RX to obtain a corresponding wind speed grade, and adjusting the wind speed of the electric hair drier to the corresponding wind speed grade by a controller; the collected data is utilized to control the output temperature and the wind speed of the electric hair drier, so that the output of the electric hair drier is no longer a fixed temperature and wind speed, the electric hair drier has the advantages of low power consumption, safety, environmental protection and simplicity in operation, and is novel in design, high in intelligent degree, wide in application range and capable of bringing better experience to users;
under the working state, detecting the current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor; a determination unit in the controller compares the current temperature value G with the minimum and maximum values; if the current temperature value G is larger than the maximum value G2, a formula is utilized
Obtaining a first auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the first auxiliary temperature G'; if the current temperature G is less than the minimum value G1, utilizing a formula
Obtaining a second auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the second auxiliary temperature G'; the air outlet temperature of the hair drier can be always kept within a certain range, the forced shutdown of the hair drier caused by starting a protection mechanism due to overhigh temperature can be avoided, and the temperature range can not be reached due to overlow temperature;
when the electric hair drier works normally, an infrared sensor on the electric hair drier is controlled to detect the intensity of human body radiation energy in the current environment and transmit the detected intensity of the human body radiation energy in the current environment to a controller, whether the detected intensity of the human body radiation energy is larger than a preset value or not is judged, and the running state of the electric hair drier is controlled according to the judgment result, so that the air outlet temperature of the electric hair drier is in a certain range, the situations that a user catches a cold due to too high air speed of the electric hair drier and the user is too hot due to too low air speed of the electric hair drier are avoided, and the user experience is improved;
the intelligent terminal transmits data to the intelligent terminal through the wireless communication module, controls the temperature and the wind speed through the intelligent terminal, and enables all users to participate in the intelligent terminal, and the intelligent terminal transmits data required by different hairstyles designed by the users to the controller, so that the temperature and the wind speed of the electric hair drier are controlled, and the electric hair drier is simple to operate, remote control, convenient and practical;
when the electric hair drier starts to work, the controller sends an electric signal to the timing module to start timing, and the circuit is automatically cut off when the upper limit of the service time is reached; after the circuit is cut off, the controller sends an electric signal to the voice control module, and the voice control module sends voice prompt information to remind a user that the user needs to have a rest for too long time, so that the use safety is guaranteed.
The above formulas are all obtained by collecting a large amount of data to perform software simulation and performing parameter setting processing by corresponding experts, and the formulas are in accordance with real results.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A handheld electric hair drier intelligent control method is characterized by comprising the following steps:
the method comprises the following steps: detecting a temperature sensing signal, a humidity sensing signal, a hair length signal and a hair density signal on the surface of human hair in real time, converting the temperature sensing signal, the humidity sensing signal, the hair length signal and the hair density signal into electric signals and sending the electric signals to a controller, wherein the controller is used for receiving the electric signals and reading a corresponding temperature value, a humidity value, a hair length value and a hair density value in real time;
step two: detecting indoor real-time environment information in real time and sending the acquired real-time environment information to a controller through a Zigbee wireless network; the real-time environment information comprises real-time indoor temperature and real-time indoor humidity;
step three: the controller receives the human body hair temperature value, the human body hair humidity value, the hair length value, the hair thickness value and the real-time environment information, and analyzes and processes the information; the method comprises the following specific steps:
s31: marking the temperature value of the human hair as T1, the humidity value of the human hair as W1, the length value of the human hair as C1, the density value of the human hair as D1, the real-time indoor temperature as T '1 and the real-time indoor humidity as W'1;
s32: using a formula
Obtaining a temperature compensation value QX; wherein a1, a2, a3 and a4 are all preset coefficient factors;
s33: the intraductal heating module that is equipped with of air-out of hairdryer sets up the wind temperature of hairdryer and is 3 grades, and the concrete performance is: the temperature range of the first-stage air temperature is 40-50 ℃, the temperature range of the second-stage air temperature is 50-60 ℃, and the temperature range of the third-stage air temperature is 60-70 ℃; the first stage air temperature corresponds to a first interval temperature compensation value, the second stage air temperature corresponds to a second interval temperature compensation value, and the third stage air temperature corresponds to a third interval temperature compensation value;
s34: selecting a temperature compensation value interval matched with the temperature compensation value QX to obtain a corresponding air temperature grade, and adjusting the air temperature of the electric hair drier to a corresponding temperature range by a controller;
s35: obtaining a humidity compensation value RX by using a formula RX = W1 × b1+ W'1 × b2+ C1 × b3+ D1 × b 4; wherein b1, b2, b3 and b4 are all preset coefficient factors;
s36: the wind speed that sets up the hairdryer is 3 grades, does respectively: low-speed wind, medium-speed wind and high-speed wind; wherein the wind speed of each grade corresponds to different humidity compensation value intervals;
s37: selecting a humidity compensation value interval matched with the humidity compensation value RX to obtain a corresponding wind speed grade, and adjusting the wind speed of the electric hair drier to the corresponding wind speed grade by a controller;
step four: under the working state, detecting the current temperature value G at the outlet of the electric hair drier in real time through a temperature sensor, and sending the detected current temperature value G to a controller, wherein a preset temperature range G1-G2 is stored in the controller, G1 is the minimum value, and G2 is the maximum value; a determination unit in the controller compares a current temperature value G with the minimum and maximum values;
s41: if the current temperature value G is larger than the maximum value G2, sending a first signal to a temperature adjusting unit; the temperature regulating unit analyzes the current temperature value G:
using formulas
Obtaining a first auxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the first auxiliary temperature G';
s42: if the current temperature G is smaller than the minimum value G1, sending a second signal to a temperature adjusting unit, and analyzing the current temperature value G by the temperature adjusting unit;
using formulas
Obtain the secondAuxiliary temperature G'; the temperature adjusting unit adjusts the air temperature of the blower according to the second auxiliary temperature G';
step five: when the temperature and the humidity of the human hair are both within the preset threshold range, the controller controls the electric hair drier to stop working.
2. The intelligent control method for the handheld electric hair drier according to claim 1, wherein an infrared sensor on the electric hair drier is controlled to detect the intensity of the human body radiation energy in the current environment and transmit the detected intensity of the human body radiation energy in the current environment to the controller;
s51: the controller receives the current temperature value G at the outlet of the electric hair drier detected by the temperature sensor and the intensity of the human body radiation energy in the current environment detected by the infrared sensor; judging whether the detected current temperature value G falls into a preset temperature range G1-G2;
s52: if not, executing the step S41 and the step S42, and adjusting the air temperature of the blower through the temperature adjusting unit;
s53: if so, judging whether the intensity of the detected human body radiation energy is greater than a preset value or not, and controlling the running state of the electric hair drier according to a judgment result; the running state of the electric hair drier comprises the steps of increasing the rotating speed of the electric hair drier, reducing the rotating speed of the electric hair drier and closing the electric hair drier;
s531: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is less than or equal to a preset value, increasing the rotating speed of the electric hair drier;
s532: when the detected temperature falls into a preset temperature range and the intensity of the detected human body radiation energy is greater than a preset value, reducing the rotating speed of the electric hair drier;
s533: and when the detected temperature is higher than the maximum value in the specific temperature range, the rotating speed of the electric hair drier is increased.
3. The intelligent control method for the handheld electric hair drier according to claim 1, wherein the heating module comprises three-gear heating wires; the first-gear electric heating wire is composed of a single group of resistance wires, the second-gear resistance wire is composed of a first group of resistance wires and a second group of resistance wires which are connected in series, the third-gear resistance wire is composed of a first group of resistance wires, a second group of resistance wires and a third group of resistance wires which are connected in series, and the third-gear electric heating wire corresponds to three temperature range gears; the first temperature range corresponds to a third-gear resistance wire, the second temperature range corresponds to a second-gear resistance wire, and the third temperature range corresponds to the first-gear resistance wire;
the controller comprises a control chip, wherein the control chip comprises a storage unit, a judging unit, a temperature adjusting unit and a wind speed adjusting unit; the storage unit stores a preset temperature range G1-G2, wherein G1 is the minimum value, and G2 is the maximum value.
4. The intelligent control method for the handheld electric hair drier according to claim 1, wherein in the fourth step, if the current temperature value G is greater than the maximum value G2, the judging unit judges which temperature range gear of the three temperature range gears the first auxiliary temperature G' falls in, and then the temperature adjusting unit is controlled to connect the corresponding gear resistance wire to adjust the air temperature of the electric hair drier;
if the current temperature G is smaller than the minimum value G1, the judging unit judges which temperature range gear of the three temperature range gears the second auxiliary temperature G' falls into, and then the temperature adjusting unit is controlled to be connected with the corresponding gear resistance wire to adjust the air temperature of the blower.
5. The intelligent control method for the handheld electric hair drier according to claim 1, wherein the control method further comprises:
s11: setting the continuous working time of the electric hair drier;
s12: when the electric hair drier starts to work, the controller sends an electric signal to the timing module to start timing, and the circuit is automatically cut off when the upper limit of the service time is reached;
s12: after the circuit is cut off, the controller sends an electric signal to the voice control module, and the voice control module sends voice prompt information.
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| CN112617640B (en) * | 2020-12-22 | 2023-06-20 | 浙江万里学院 | Liquid outlet control method for multifunctional automatic hand washing machine |
| CN112835399B (en) * | 2021-01-08 | 2022-03-22 | 厦门芯阳科技股份有限公司 | Control method and device for battery type hair dryer |
| CN113053015B (en) * | 2021-03-12 | 2022-08-23 | 深圳市博盛科电子有限公司 | Temperature measurement access control system with intelligent temperature compensation function |
| 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 |
| WO2024051581A1 (en) * | 2022-09-10 | 2024-03-14 | 添可智能科技有限公司 | Control method for air blowing device, and air blowing device |
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Denomination of invention: An intelligent control method for handheld hair dryers Effective date of registration: 20230511 Granted publication date: 20230228 Pledgee: Qimen County Sub branch of Postal Savings Bank of China Co.,Ltd. Pledgor: HUANGSHAN WATTS ELECTRICAL Co.,Ltd. Registration number: Y2023980040305 |
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