Abstract: The present disclosure relates to the technical field of hairdressing tools, and in particular, to a multifunctional hairdressing tool capable of achieving quick hair drying and styling. The multifunctional hairdressing tool capable of achieving quick hair drying and styling includes a handle main body, wherein the handle main body is provided with an electric control module; a fluid channel is formed in a front end and a rear end of the handle main body in a penetrating manner; a blower assembly is arranged in the fluid channel; a heating frame corresponding to a front portion of the blower assembly is further arranged inside the fluid channel; a fixed iron is mounted at a front end of the handle main body; the handle main body is hinged with a swing arm.

Abstract: The present disclosure relates to the technical field of hair dryers, and in particular, to a high-efficiency heating module applied to a hair dryer. The heating module includes a shell body with two run-through ends, an insulation bracket mounted in the shell body, and a heating main body fixedly mounted on the insulation bracket. The heating main body includes a heat conduction portion and a heating portion; the heat conduction portion includes a heat radiation inner cylinder, at least one layer of honeycomb-shaped heat radiation plate enclosed on an outer side of the heat radiation inner cylinder, and an outer heat radiation plate enclosed outside the outermost layer of honeycomb-shaped heat radiation plate; the heating portion includes a first heating film and a second heating film.

Abstract: In one example, an apparatus comprises a power stage having a first power stage input, a second power stage input, and a power stage output. The apparatus also comprises a modulator circuit having a first ramp input, a second ramp input, a modulator input, a first modulator output, and a second modulator output, the first modulator output coupled to the first power stage input, and the second modulator output coupled to the second power stage input. The apparatus also comprises a multi-level ramp generator having a first ramp output and a second ramp output, the first ramp output coupled to the first ramp input, and the second ramp output coupled the second ramp input.

Abstract: Provided is an air duct system applied to a hair straightening device, relating to the technical field of hair straightening devices. The air duct system includes a main body. There is a main flow channel and two branch flow channels connected to the main flow channel inside the main body. The main body has two hair straightening walls that cooperate with each other at intervals. A hair straightening space that is used to straighten or dry hair is formed between the two hair straightening walls. A main flow channel and two branch flow channels that are connected to the main flow channel are disposed inside the main body. The two branch flow channels are disposed along length directions of the two hair straightening walls. A plurality of oblique air outlets are disposed on the hair straightening wall along a length direction of the hair straightening wall.

Abstract: A straightening and curling dual-purpose hairdressing device is provided, relating to the technical field of hairdressing devices. The straightening and curling dual-purpose hairdressing device includes a main body. The main body is of a hollow structure. A control circuit is integrated inside the main body. One end of the main body is provided with an air inlet and another end of the main body is connected to an air nozzle, whereby forming inside the main body a fluid channel extended from the air inlet to the air nozzle. The fluid channel has provided therein a motor and a heating unit electrically connected to the control circuit respectively.

Abstract: A hair dryer capable of increasing an air flow rate based on a negative-pressure flow increasing structure is provided, which belongs to the technical field of hair dryers. The hair dryer includes an air duct part and a handle part docked to the air duct part. The air duct part has an annular cavity and a mixing cavity. A main air outlet is provided in a front end of the mixing cavity; a flow-increasing air inlet is provided in a rear end of the mixing cavity. A main air inlet is provided in a lower end of the handle part. An upper end of the handle part is communicated with the annular cavity, so that a longitudinal fluid flow passage from the main air inlet to the annular cavity is formed inside the handle part. A boosting unit is arranged inside the longitudinal fluid flow passage.

Abstract: A system includes a charge pump having an input coupled to a first voltage and an output at a second voltage, the second voltage greater than the first voltage. The system also includes an amplifier having a first input, a second input, and a third input, the first input coupled to the output of the charge pump, the second input coupled to the first voltage, the third input coupled to an input signal, the amplifier having an amplified output signal. The system also includes a maximum power detector coupled to the amplifier, the maximum power detector operable to determine whether the amplified output signal has reached a threshold output level and to reduce a power of the amplified output signal responsive to the determination.

Abstract: The present disclosure relates to the technical field of hairdressing, in particular to, a novel far infrared hair dryer, including: a body, which is provided with a fluid inlet formed in a rear end and a fluid outlet formed in a front end; a fluid flowing path, which is arranged in the body and extends from the fluid inlet to the fluid outlet; a conveying mechanism, which is arranged in the fluid flowing path and drives a fluid to flow from the fluid inlet to the fluid outlet; and a heating mechanism, which is arranged in the fluid flowing path and is used for heating the fluid in the fluid flowing path. The novel far infrared hair dryer can improve the compactness of the overall structure to the maximum extent, ensure that air is blown out smoothly, and reduce the obstruction to the air, thus reducing noise.

Abstract: The present disclosure relates to the technical field of electric hair driers, in particular to a double-duct hot air guide structure and a hair drier thereof. The double-duct hot air guide structure includes a shell, a heating module and a blowing module. The shell is provided with an outer sleeve-shaped body and an inner sleeve-shaped body mounted inside the outer sleeve-shaped body. A front end of the outer sleeve-shaped body is matched with a front end of the inner sleeve-shaped body through butting so that an inner air outlet inside the inner sleeve-shaped body correspondingly and an outer air outlet between the outer sleeve-shaped body and the inner sleeve-shaped body correspondingly are formed in a front end of the shell. The heating module is arranged between the outer sleeve-shaped body and the inner sleeve-shaped body.

Abstract: The present disclosure relates to the technical field of hair dryers, and in particular, to a high-efficiency heating module applied to a hair dryer. The heating module includes a shell body with two run-through ends, an insulation bracket mounted in the shell body, and a heating main body fixedly mounted on the insulation bracket. The heating main body includes a heat conduction portion and a heating portion; the heat conduction portion includes a heat radiation inner cylinder, at least one layer of honeycomb-shaped heat radiation plate enclosed on an outer side of the heat radiation inner cylinder, and an outer heat radiation plate enclosed outside the outermost layer of honeycomb-shaped heat radiation plate; the heating portion includes a first heating film and a second heating film.

Abstract: In one example, an apparatus comprises a power stage having a first power stage input, a second power stage input, and a power stage output. The apparatus also comprises a modulator circuit having a first ramp input, a second ramp input, a modulator input, a first modulator output, and a second modulator output, the first modulator output coupled to the first power stage input, and the second modulator output coupled to the second power stage input. The apparatus also comprises a multi-level ramp generator having a first ramp output and a second ramp output, the first ramp output coupled to the first ramp input, and the second ramp output coupled the second ramp input.

Abstract: A device includes a first ramp generator having a first ramp generator output configured to provide a first ramp, a second ramp generator having a second ramp generator output configured to provide a second ramp, and a third ramp generator having a third ramp generator output configured to provide a third ramp. The first ramp is a sawtooth voltage waveform having a first common mode voltage and a first peak-to-peak voltage. The second ramp is a sawtooth voltage waveform having a second common mode voltage and a second peak-to-peak voltage. The third ramp is a sawtooth voltage waveform having a third common mode voltage and a third peak-to-peak voltage. A frequency of the second ramp is approximately equal to a frequency of the third ramp, and the frequency of the third ramp is approximately double a frequency of the first ramp.