CN105639981A - Intelligent variable frequency electric hair dryer and control system and method thereof - Google Patents

Abstract

The invention relates to an intelligent frequency conversion hair dryer and its control system and method. The intelligent frequency conversion hair dryer includes a temperature detection module, a temperature adjustment module, a wind speed adjustment module, a main control module and a power supply module. The temperature detection module detects the temperature sensing signal on the surface of human hair in real time and converts it into an electrical signal; the main control module reads the corresponding temperature value according to the electrical signal, compares it with the preset temperature threshold, and controls the temperature adjustment adaptively according to the comparison result Module and wind speed to adjust the working state of the module to keep the surface temperature of human hair constant near the preset temperature threshold. The temperature data on the hair surface is collected through the temperature detection module. On the one hand, the collected data is used to control the output temperature and wind speed of the hair dryer. On the other hand, the data is transmitted to the mobile terminal through wireless WIFI, and the temperature and wind speed are controlled through the mobile terminal. All users can realize healthy and safe intelligent hair dryer through sharing.

Description

An intelligent variable frequency hair dryer and its control system and method

technical field

The invention relates to the technical field of smart home appliances, in particular to an intelligent variable frequency hair dryer and its control system and method.

Background technique

With the development of science and technology and the progress of society, hair dryers with a single function can no longer satisfy people's pursuit of smart home life. People no longer only pursue simple drying of hair, but more are pursuing multifunctional hair dryers that are safe and energy-saving. .

The existing intelligent frequency conversion hair dryer temperature control system mainly includes the PTC temperature control device control mode and temperature adjustment control circuit control, wherein the PTC temperature control device controls the temperature through the positive temperature characteristics of the thermistor. The control device and the electric contact switch controlled by the PTC temperature control device realize the temperature control. The shrapnel is deformed by the temperature of the PTC element, and the opening and closing of the electric contact switch is controlled by the deformation of the shrapnel. So as to achieve temperature control effect. The temperature control circuit control effectively solves the single mode of automatic power off when the temperature is too high, and automatic recovery when the temperature is too low, and it is not suitable for long-term continuous work. For example, the temperature control circuit is controlled by the control circuit to ensure that the temperature is not high. It will be too high, and blow out a certain temperature wind continuously and steadily.

Contents of the invention

The technical problem to be solved by the present invention is to provide an intelligent variable frequency hair dryer and its control system and method for the above-mentioned deficiencies in the prior art.

The technical scheme that the present invention solves the problems of the technologies described above is as follows:

According to one aspect of the present invention, an intelligent variable frequency hair dryer is provided, including a temperature detection module, a temperature regulation module, a wind speed regulation module, a main control module and a power supply module.

The temperature detection module is used to detect the temperature sensing signal on the surface of human hair in real time, and converts the temperature sensing signal into an electrical signal and sends it to the main module module; the main control module is used to receive the electrical signal and send Read the corresponding temperature value, compare it with the preset temperature threshold, and adaptively control the working state of the temperature adjustment module and the wind speed adjustment module according to the comparison result; The control command sent by the main control module runs the corresponding working state to keep the surface temperature of human hair constant within the preset temperature threshold range; the power module is used for the temperature detection module, temperature regulation module, wind speed regulation module and The main control module provides a stable power supply.

The beneficial effects of the present invention are: an intelligent variable frequency hair dryer of the present invention uses the collected data to control the output temperature and wind speed of the hair dryer, so that the output of the hair dryer is no longer a fixed temperature and wind speed, and has low power consumption, It has the advantages of safety and environmental protection, simple operation, novel design, high degree of intelligence, and wide adaptability.

According to another aspect of the present invention, a control system for an intelligent variable frequency hair dryer is provided, including at least one intelligent terminal and the intelligent variable frequency hair dryer, and the intelligent terminal is wirelessly connected to the main control module.

The main control module is also used to receive the control command sent by the smart terminal, and control the working status of the temperature regulation module and the wind speed regulation module according to the control command, and send real-time temperature and wind speed data information to the smart terminal The intelligent terminal is used to send control commands to the main control module, and is also used to receive and display real-time temperature and wind speed data information sent by the main control module; the intelligent frequency conversion hair dryer also includes a wireless communication module, so The wireless communication module is used to provide a two-way data information transmission channel between the smart terminal and the main control module.

The beneficial effects of the present invention are: an intelligent frequency conversion hair dryer control system of the present invention transmits data to the mobile terminal through the wireless communication module, and controls the temperature and wind speed through the mobile terminal, so that all users can participate in the air blower through the mobile terminal. Among them, the mobile terminal transmits the data required for different hairstyles designed by the user to the microcontroller, thereby controlling the temperature and wind speed of the hair dryer. The operation is simple, and the remote control is convenient and practical.

According to another aspect of the present invention, a method for controlling an intelligent variable frequency hair dryer is provided, including the following steps:

Step 1: parameter initialization setting, setting blowing temperature threshold;

Step 2: detecting the temperature sensing signal on the surface of human hair in real time, and converting the temperature sensing signal into an electrical signal;

Step 3: Read the corresponding temperature value in real time according to the electrical signal, compare it with the preset blowing temperature threshold, and send control commands to the temperature adjustment module and the wind speed adjustment module respectively according to the comparison result;

Step 4: The temperature adjustment module and the wind speed adjustment module operate corresponding working states according to the control commands, so as to keep the surface temperature of human hair constant within the preset temperature threshold range.

The beneficial effects of the present invention are: the intelligent variable frequency electric hair dryer control method of the present invention controls the air temperature and wind speed of the hair dryer by collecting the temperature data on the surface of human hair, and transmits the data to the mobile terminal, which is convenient for users to pass through the mobile terminal. Control the temperature and wind speed so that all users can achieve healthy and safe intelligent hair drying through sharing.

Description of drawings

Fig. 1 is a structural schematic diagram of an intelligent variable frequency hair dryer of the present invention;

Fig. 2 is a schematic structural diagram of an intelligent variable frequency hair dryer control system of the present invention;

Fig. 3 is a schematic flow chart of a method for controlling an intelligent variable frequency hair dryer according to the present invention.

detailed description

The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

Embodiment 1. An intelligent variable frequency hair dryer. The following will introduce the intelligent frequency conversion hair dryer of the present invention in detail with reference to FIG. 1 .

As shown in Figure 1, a schematic structural diagram of an intelligent variable frequency hair dryer, including a temperature detection module, a temperature regulation module, a wind speed regulation module, a main control module and a power supply module.

Wherein, the temperature detection module is used to detect the temperature sensing signal on the surface of human hair in real time, and convert the temperature sensing signal into an electrical signal and send it to the main module module; the main control module is used to receive the electrical signal And read the corresponding temperature value in real time, compare it with the preset temperature threshold, and adaptively control the working state of the temperature adjustment module and the wind speed adjustment module according to the comparison result; the temperature adjustment module and the wind speed adjustment module are used for Run the corresponding working state according to the control command sent by the main control module, so as to keep the surface temperature of human hair constant within the preset temperature threshold range; The module and the main control module provide stable power.

Preferably, the main control module adopts a low-power 32-bit single-chip microcomputer, the chip core is powerful, and has a 12-bit A/D conversion function, which can perform basic digital signal processing, such as FFT operations, and can achieve more stable Signal acquisition can provide guarantee for the improvement of the performance of the later productized system.

In this embodiment, the temperature adjustment module includes an infrared radiation tube, the infrared radiation tube is connected to the main control module, and the main control module adjusts the outlet air temperature by controlling the working current of the infrared radiation tube. By adjusting the operating current of the infrared radiation tube, the temperature of the outlet air can be adjusted conveniently and the control is precise.

Preferably, the temperature adjustment module uses an infrared temperature sensor of the MLX90614 series with a working range of -40°C to +125°C and an accuracy of up to 0.5°C. The infrared temperature sensor has the advantages of small size, low cost, easy integration, high precision, and applicable Based on the advantages of multiple packaging methods and measurement methods in different application fields, by measuring the surface temperature of human hair, the temperature value is collected and sent to the main control module, so as to control the wind speed and temperature adjustment module to obtain a suitable temperature. In addition, through the collection of temperature data, the frequency modulation curve and heating change curve of the hair dryer can be obtained, and the different temperature values and wind speed values required by different hairstyles can be obtained through analysis, which is convenient for customers to set and control through the remote intelligent terminal.

In this embodiment, the wind speed adjustment module includes a frequency converter and a fan, the frequency converter is respectively connected to the fan and the main control module, and the frequency converter controls the The operating frequency of the fan is used to adjust the wind speed of the fan. The voltage and frequency of the fan can be adjusted through the frequency converter, thereby changing the rotation speed of the motor to achieve precise adjustment of the wind speed, and cooperate with the temperature adjustment module to keep the surface temperature of human hair constant near the preset temperature threshold.

Preferably, the intelligent variable frequency hair dryer described in this embodiment also includes a negative ion generating module, the negative ion generating module is connected to the main control module, emits negative ions according to the control command of the main control module, and the fan The negative ions are brought to the surface of human hair by external blowing. The negative ions are emitted by the negative ion generating module and brought to the hair surface of the human body by blowing the negative ions, and pass through the blood-brain barrier of the human body to play the role of medical care.

Among them, the negative ion generator, through the pulse oscillating circuit, obtains a DC negative high voltage, connects the DC negative high voltage to a release tip made of metal or carbon elements, uses the tip DC high voltage to generate a high corona, and releases a large amount of electrons at a high speed. At the same time, it will be captured by oxygen molecules in the air immediately, thereby generating negative air ions that are beneficial to the human body.

Embodiment 2: An intelligent frequency conversion hair dryer control system. The following will introduce the intelligent frequency conversion hair dryer control system of the present invention in detail with reference to FIG. 2 .

An intelligent variable frequency hair dryer control system includes at least one intelligent terminal and the intelligent variable frequency hair dryer, the intelligent terminal is wirelessly connected to the main control module.

Wherein, the main control module is also used to receive the control command sent by the smart terminal, and control the working status of the temperature regulation module and the wind speed regulation module according to the control command, and send real-time temperature and wind speed data information to the Intelligent terminal; the intelligent terminal is used to send control commands to the main control module, and is also used to receive and display real-time temperature and wind speed data information sent by the main control module; the intelligent variable frequency hair dryer also includes a wireless communication module , the wireless communication module is used to provide a two-way data information transmission channel between the smart terminal and the main control module.

In this embodiment, the smart terminal includes an MCU and a hairstyle selection module, the MCU is connected to the main control module through the wireless communication module, and the hairstyle selection module stores working parameters of various hairstyles, so The MCU reads the working parameters of different hairstyles, and generates corresponding control commands according to the working parameters of different hairstyles, and sends them to the main control module of the hair dryer to control the working status of the temperature adjustment module and the wind speed adjustment module; wherein, each The working parameters of the hairstyle specifically include the blowing mode and the running time corresponding to each blowing mode, as well as the heating mode and the heating time corresponding to each heating mode. In this way, by selecting different hairstyles on the client side, the smart terminal transmits the data required for different hairstyles designed by the user to the main control module, and the main control module can run according to the corresponding working parameters, thereby controlling The temperature and wind speed of the hair dryer are convenient for customers to achieve intelligent hair drying for different hairstyles. The operation is simple and the temperature control is precise, which enhances the user experience.

In this embodiment, the wireless communication module adopts WiFi, Bluetooth and/or GPRS communication methods.

Preferably, the wireless communication module adopts a WIFI module of a patch-type onboard antenna to realize long-distance communication with a mobile phone client terminal in a local area network. The module has special configuration software configured through AT commands, and the networking speed is fast and the performance is stable , lower power consumption.

Embodiment 3, a control method of an intelligent frequency conversion hair dryer. The following will introduce in detail the control method of an intelligent frequency conversion hair dryer according to the present invention with reference to FIG. 3 .

An intelligent frequency conversion hair dryer control method, comprising the following steps:

Step 1: parameter initialization setting, setting blowing temperature threshold;

Step 2: detecting the temperature sensing signal on the surface of human hair in real time, and converting the temperature sensing signal into an electrical signal;

Step 3: Read the corresponding temperature value in real time according to the electrical signal, compare it with the preset blowing temperature threshold, and send control commands to the temperature adjustment module and the wind speed adjustment module respectively according to the comparison result;

Step 4: The temperature adjustment module and the wind speed adjustment module operate corresponding working states according to the control commands, so as to keep the surface temperature of human hair constant within the preset temperature threshold range.

In the present embodiment, in step 4, the outlet air temperature is adjusted by controlling the operating current of the infrared radiation tube in the temperature adjustment module, and the air outlet speed is adjusted by controlling the operating frequency of the fan in the air speed adjustment module, and The surface temperature of the human hair is kept constant near the preset temperature threshold through the coordinated adjustment of the air outlet temperature and the air outlet speed.

Preferably, the step 3 also includes sending a control command to the negative ion generating module according to the comparison result, and the corresponding step 4 also includes that the negative ion generating module emits negative ions according to the control command, and the fan in the speed adjustment module blows the air to the outside Bring the negative ions to the surface of human hair. The negative ions are emitted by the negative ion generating module and brought to the hair surface of the human body by blowing the negative ions, and pass through the blood-brain barrier of the human body to play the role of medical care.

An intelligent variable frequency hair dryer and its control system and method of the present invention collect temperature data on the hair surface through a temperature detection module, and on the one hand use the collected data to control the output temperature and wind speed of the hair dryer, so that the output of the hair dryer is no longer A fixed temperature and wind speed, on the other hand, the data is transmitted to the mobile terminal through wireless WIFI, and the temperature and wind speed are controlled through the mobile terminal, so that all users can share and realize healthy and safe intelligent hair dryer.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (10)

1. an intelligent frequency-conversion hair drier, it is characterised in that: comprise temperature detecting module, temperature adjustment module, speed adjusting module, main control module and power supply module;

Described temperature detecting module is used for the temperature sensor signal of real-time human body hair surface, and described temperature sensor signal is converted into electrical signal and is sent to described primary module module;

Described main control module is for receiving described electrical signal and reads corresponding temperature value in real time, by itself and preset temp threshold ratio relatively, and according to comparative result adaptive control the working order of temperature adjustment module and speed adjusting module;

Described temperature adjustment module and speed adjusting module all run corresponding working order for the control command that sends according to described main control module, with keep human hair surface temperature constant in preset temp threshold range near;

Described power supply module is used for as described temperature detecting module, temperature adjustment module, speed adjusting module and main control module provide regulated supply.

2. a kind of intelligent frequency-conversion hair drier according to claim 1, it is characterized in that: described temperature adjustment module module comprises infrared radiant tube, described infrared radiant tube is connected with described main control module, and described main control module is by the working current regulating outlet air temperature of the described infrared radiant tube of control.

3. a kind of intelligent frequency-conversion hair drier according to claim 1, it is characterized in that: described speed adjusting module comprises frequency transformer and blower fan, described frequency transformer is connected with described blower fan and described main control module respectively, and described frequency transformer controls the operating frequency of described blower fan according to the control command of described main control module, go out wind velocity with what regulate described blower fan.

4. a kind of intelligent frequency-conversion hair drier according to claim 3, it is characterized in that: also comprise negative ion generation module, described negative ion generation module is connected with described main control module, control command transmitting anion according to described main control module, and described blower fan is surperficial to human hair by described negative ion band by externally blowing.

5. an intelligent frequency-conversion hair drier Controlling System, it is characterised in that: comprise the intelligent frequency-conversion hair drier described at least one intelligent terminal and the arbitrary item of Claims 1-4, described intelligent terminal and described main control module wireless connections;

Described main control module is also for receiving the control command that described intelligent terminal sends, and controls the working order of described temperature adjustment module and speed adjusting module according to control command, real time temperature and air speed data information is sent to described intelligent terminal simultaneously;

Described intelligent terminal be used for described main control module transmission control order, also for receive described main control module send real time temperature and air speed data information and show;

Described intelligent frequency-conversion hair drier also comprises radio communication module, and described radio communication module is used for as providing two-way data information transfer passage between described intelligent terminal and described main control module.

6. a kind of intelligent frequency-conversion hair drier Controlling System according to claim 5, it is characterised in that: described intelligent terminal comprises MCU and hair style chosen module,

Described MCU is connected with described main control module by described radio communication module, described hair style chosen module stores the working parameter of multiple hair style, described MCU reads the working parameter of different hair style, and the working parameter according to different hair style generates corresponding control command, the main control module being sent to hair drier, controls the working order of described temperature adjustment module and speed adjusting module;

Wherein, the working parameter of often kind of hair style specifically comprises blowing pattern and working time corresponding to often kind of blowing pattern, and heating mode and heat-up time corresponding to often kind of heating mode.

7. a kind of intelligent frequency-conversion hair drier Controlling System according to claim 5 or 6, it is characterised in that: described radio communication module adopts WiFi, bluetooth and/or GPRS signalling methods.

8. an intelligent frequency-conversion hair drier control method, it is characterised in that, comprise the steps:

Step 1: parameter initialization is arranged, setting blowing temperature threshold value;

Step 2: the temperature sensor signal of human body hair surface in real time, and described temperature sensor signal is converted into electrical signal;

Step 3: read corresponding temperature value in real time according to described electrical signal, by it, temperature threshold value of drying compares with presetting, and according to comparative result respectively to temperature adjustment module and speed adjusting module transmission control order;

Step 4: described temperature adjustment module and speed adjusting module run corresponding working order according to control command respectively, to keep human hair surface temperature constant in preset temp threshold range.

9. a kind of intelligent frequency-conversion hair drier control method according to claim 8, it is characterized in that: in described step 4, by the working current that controls infrared radiant tube in described temperature adjustment module with regulating outlet air temperature, by the operating frequency that controls blower fan in described speed adjusting module to adjust wind velocity, and by air outlet temperature with go out wind velocity and coordinate and regulate to keep human hair surface temperature constant near preset temp threshold value.

10. a kind of intelligent frequency-conversion hair drier control method according to claim 8 or claim 9, it is characterized in that: described step 3 also comprises according to comparative result to negative ion generation module transmission control order, in described step 4, correspondence also comprises described negative ion generation module according to control command transmitting anion, and in described speed adjustment module, blower fan is surperficial to human hair by described negative ion band by externally blowing.