Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, the signal value of the first driving signal gradually decreases until being equal to the signal value of the second driving signal. Wherein the signal value of the first driving signal non-linearly decreases, the signal value of the second driving signal is an unchanged value. Wherein, the first time period and the second time period are adjusted for a different fan but the sum of the first time period and the second time period is always the same. A fan is also disclosed.

Abstract: A motor is provided and driven by two phase. The first and second control signals have a phase difference of 90 degrees and are configured to control the first and second driving units, respectively, and the first and second control signals drive the first and second coil sets, respectively. Each of the first and second poles of the permanent magnet occupies a mechanical angle of 360/2n degrees of the permanent magnet, respectively, and n is 1 or 3. The four sets of the coils of the stator are equally located on the stator, each set of the coil occupies a mechanical angle of 360/2m degrees of the stator, any two sets of the coils adjacent to each other are separated by a mechanical angle of 90?(360/2m) degrees, and m is 3 or 2, wherein m corresponds to 2 when n is 1, m corresponds to 3 when n is 3.

Abstract: A slim vapor chamber includes a first plate, a second plate and a capillary structure. The periphery of the second plate is connected with that of the first plate to form a chamber. The capillary structure is disposed on an inner wall of the chamber. Both of a side of the first plate facing the second plate and a side of the second plate facing the first plate are formed with a plurality of supporting structures, which include a plurality of supporting pillars and a plurality of supporting plates, by an etching process.

Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, the signal value of the first driving signal gradually decreases until being equal to the signal value of the second driving signal. Wherein the signal value of the first driving signal non-linearly decreases, the signal value of the second driving signal is an unchanged value. Wherein, the first time period and the second time period are adjusted for a different fan but the sum of the first time period and the second time period is always the same. A fan is also disclosed.

Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, during the first time period the signal value (driving energy) of the first driving signal gradually decreases until being equal to the signal value of the second driving signal, and the signal value of the first driving signal is initially greater than the signal value of the second driving signal. A fan is also disclosed.

Abstract: A smart toilet and an ozone assembly thereof are provided. The ozone assembly is provided for being connected to a water pipe of a water spraying assembly. The ozone assembly includes an ozone electrolyzer for being assembled to the water pipe and an ozone circuit module that is electrically coupled to the ozone electrolyzer. The ozone electrolyzer is configured to generate an ozone gas to be mixed into the water transported toward the water spraying assembly so as to form ozone water. The ozone electrolyzer is configured to maintain an ozone concentration of the ozone water to be within a range from 0.05 ppm to 0.3 ppm. The ozone circuit module is configured to drive the ozone electrolyzer while the water spraying assembly performs a water drawing process.

Abstract: An ozone water supply apparatus and an ozone supply device are provided. The ozone generation device includes a Venturi tube and an ozone generation module connected to the Venturi tube. The ozone generation module includes a circuit unit, an ozone-activated tube, and a launcher, the latter two of which are electrically coupled to the circuit unit. The launcher includes a transparent tube, a floating body arranged in the transparent tube, and an optical detector arranged outside of the transparent tube and electrically coupled to the circuit unit. When a gas flows through the transparent tube so as to move the floating body along the transparent tube, the optical detector is configured to detect the movement of the floating body, so that the ozone-activated tube can be driven by the circuit unit to excite the gas to become an ozone that floats toward the Venturi tube.

Abstract: An adjustable Venturi tube is provided and includes a water outlet segment and a water inlet segment. The water outlet segment has a gas inlet space therein and includes a chamber, a water flow selector disposed on the chamber, and a gas inlet pipe. The chamber has a gas inlet opening and a plurality of liquid-gas exits, which are in spatial communication with the gas inlet space. The water flow selector has a plurality of selective channels respectively facing the liquid-gas exits. The water outlet segment has a space and a water channel that is in spatial communication with the space. The water inlet segment and the water flow selector are configured to be moved relative to each other so as to allow the space to selectively be in spatial communication with at least one of the selective channels through the water channel.

Abstract: An ozone water supply apparatus and an ozone supply device are provided. The ozone generation device includes a Venturi tube and an ozone generation module connected to the Venturi tube. The ozone generation module includes a circuit unit, an ozone-activated tube, and a launcher, the latter two of which are electrically coupled to the circuit unit. The launcher includes a transparent tube, a floating body arranged in the transparent tube, and an optical detector arranged outside of the transparent tube and electrically coupled to the circuit unit. When a gas flows through the transparent tube so as to move the floating body along the transparent tube, the optical detector is configured to detect the movement of the floating body, so that the ozone-activated tube can be driven by the circuit unit to excite the gas to become an ozone that floats toward the Venturi tube.

Abstract: A microbubble device controller includes a box, and a first water pipe, a gas pipe and a bypass pipe installed in the box. The first water pipe is connected to a pump and has a first electromagnetic control valve to open or close the first water pipe. The gas pipe is connected to a gas source and the pump, and has a second electromagnetic control valve to open or close the gas pipe. The bypass pipe is connected to the first water pipe and has a pressure switch in telecommunication connection with the second electromagnetic control valve. The first electromagnetic control valve controls the first water pipe to be in the high flow state or a closed state to affect the bypass pipe. When the bypass pipe is in a high pressure state, the second electromagnetic control valve opens the gas pipe, or closes the gas pipe otherwise.

Abstract: A microbubble device controller includes a box, and a first water pipe, a gas pipe and a bypass pipe installed in the box. The first water pipe is connected to a pump and has a first electromagnetic control valve to open or close the first water pipe. The gas pipe is connected to a gas source and the pump, and has a second electromagnetic control valve to open or close the gas pipe. The bypass pipe is connected to the first water pipe and has a pressure switch in telecommunication connection with the second electromagnetic control valve. The first electromagnetic control valve controls the first water pipe to be in the high flow state or a closed state to affect the bypass pipe. When the bypass pipe is in a high pressure state, the second electromagnetic control valve opens the gas pipe, or closes the gas pipe otherwise.

Abstract: A slim vapor chamber includes a first plate, a second plate and a capillary structure. The periphery of the second plate is connected with that of the first plate to form a chamber. The capillary structure is disposed on an inner wall of the chamber. Both of a side of the first plate facing the second plate and a side of the second plate facing the first plate are formed with a plurality of supporting structures, which include a plurality of supporting pillars and a plurality of supporting plates, by an etching process.

Abstract: A slim vapor chamber includes a first plate, a second plate and a capillary structure. The periphery of the second plate is connected with that of the first plate to form a chamber. The capillary structure is disposed in the chamber. At least one of a side of the first plate facing the second plate and a side of the second plate facing the first plate is formed with a plurality of supporting structures, which include a plurality of supporting pillars and a plurality of supporting plates, by an etching process.

Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, during the first time period the signal value (driving energy) of the first driving signal gradually decreases until being equal to the signal value of the second driving signal, and the signal value of the first driving signal is initially greater than the signal value of the second driving signal. A fan is also disclosed.

Abstract: The disclosure provides a method for preparing a porous wick, including the steps of: a) preparing an first electrolyte, which is an aqueous solution including 0.5-1.8 mol/L sulfuric acid and 0.1-0.5 mol/L copper sulfate; b) preparing a second electrodeposition electrolyte, which is an aqueous solution including 0.2-0.9 mol/L sulfuric acid and 0.4-0.9 mol/L copper sulfate; c) cleaning the surface of a metal substrate with a mixed solution of a surfactant and a basic compound, activating with dilute hydrochloric acid, and then rinsing; and d) carrying out a first elctrodeposition on the treated substrate in the first electrodeposition electrolyte, and then carrying out the second electrodeposition in the second electrodeposition electrolyte, wherein the second electrodeposition current density is smaller than the first electrodeposition current density.

Abstract: The disclosure provides a preparation method of a porous copper alloy wick, including the steps of: a) preparing an electrolyte, which is an aqueous solution including 0.5-1.8 mol/L sulfuric acid and 0.1-0.5 mol/L copper sulfate; b) cleaning with a mixed solution of a surfactant and a basic compound, activating with dilute hydrochloric acid and then cleaning the surface of a copper alloy substrate; c) forming a porous structure on the substrate by electrodeposition on the treated substrate in the electrolyte; and d) washing with water, drying and then sintering the product obtained in step c). By the method of the disclosure, the porous structure with the specific arrangement, excellent capillary force and permeability can be directly obtained on the surface of the substrate, which is good for the transmission of the working liquid.

Abstract: A toilet seat device is provided, including a toilet seat, at least one heat source, and at least one heat-conducting member. The toilet seat has at least one chamber therein. The heat source is disposed in the chamber. The heat-conducting member is disposed in the chamber and connected to the heat source for transferring the heat generated by the heat source to the toilet seat so that the toilet seat reaches a uniform temperature.

Abstract: A motor drive circuit including a back electromotive force detecting module and a processing module is disclosed herein. The back electromotive force detecting module is electrically connected to a single phase DC motor and is configured to detect a back electromotive force of the single phase DC motor and to output a detecting signal correspondingly. The processing module is electrically connected to the back electromotive force detecting module and the single phase DC motor. The processing module is configured to determine the rotation direction of the single phase DC motor according to the detecting signal and a hall signal outputted by a hall element located in the single phase DC motor, and is configured to control the single phase DC motor.

Abstract: A heat dissipating apparatus includes a frame, an elastic body, a magnetic member and a coil. The frame has an opening. The elastic body is disposed on the frame, and the frame and the elastic body define a space. The magnetic member is located corresponding to the space and disposed at one side of the elastic body. The coil is located corresponding to the periphery of the space and disposed on the frame. An electronic device with the heat dissipating apparatus is also disclosed.

Abstract: A single phase brushless DC motor comprises a Hall effect sensor, a coil assembly and a motor control circuit which generating a driving signal to guide a coil current flowing through the coil assembly. The Hall effect sensor senses the magnetic pole of the rotor to accordingly generate a Hall effect signal. The motor control circuit outputs a current polarity reverse signal according to the voltage at one end of the coil assembly. The time when the current polarity reverse signal is generated corresponds to the polarity reverse time of the coil current. The motor control circuit adjusts the phase of the driving signal according to the polarity reverse time of the Hall effect signal and the time when the current polarity reverse signal is generated to synchronize the phase of the back emf of the single phase brushless DC motor with the phase of the coil current.