Abstract: The present disclosure provides a welding method, which comprise the following steps: setting up a laser welding head of a laser welding machine to perform a welding operation in a manner of swing or rotating, so that a swing path of the laser welding head relative to a processing direction of the laser welding head is defined with a deceleration zone and an acceleration zone, such that the laser welding head reduces a relative swing speed or feeding speed in the acceleration zone to avoid an undercutting occurred in a welding path of the welding process.

Abstract: A nebulizer capable of connecting with a mouthpiece is provided. The nebulizer includes a container, a nebulizing part, a first tube and a second tube. The container is configured to accommodate a liquid. The nebulizing part includes a chamber and a nebulizing element communicating with the container and nebulizing the liquid in the chamber. The first tube connected with the nebulizing part includes a first channel communicating with the chamber and introducing an outside airflow. The second tube is connected with the nebulizing part and the mouthpiece. A second channel of the second tube communicates with the chamber and the mouthpiece. The second tube has an expanding part at a junction of the second channel and the chamber.

Abstract: A dehumidifying unit, a layered temperature control dehumidifying element and a drying device are provided. The dehumidifying element has a plurality of dehumidifying units. The dehumidifying units are made of a direct heating desorption material and used for dehumidifying air by adsorption and capable of being regenerated by desorption. By performing temperature compensation through a preheater and performing a layered temperature control method on the dehumidifying element, the disclosure achieves a uniform temperature control on the air flow passage of the dehumidifying element so as to improve regeneration performance of the dehumidifying element and reduce energy consumption of the drying device.

Abstract: A dehumidifying unit, a layered temperature control dehumidifying element and a drying device are provided. The dehumidifying element has a plurality of dehumidifying units. The dehumidifying units are made of a direct heating desorption material and used for dehumidifying air by adsorption and capable of being regenerated by desorption. By performing temperature compensation through a preheater and performing a layered temperature control method on the dehumidifying element, the disclosure achieves a uniform temperature control on the air flow passage of the dehumidifying element so as to improve regeneration performance of the dehumidifying element and reduce energy consumption of the drying device.

Abstract: A dehumidifying unit, a layered temperature control dehumidifying element, a drying device and a temperature control method thereof are provided. The dehumidifying element has a plurality of dehumidifying units. The dehumidifying units are made of a direct heating desorption material and used for dehumidifying air by adsorption and capable of being regenerated by desorption. By performing temperature compensation through a preheater and performing a layered temperature control method on the dehumidifying element, the disclosure achieves a uniform temperature control on the air flow passage of the dehumidifying element so as to improve regeneration performance of the dehumidifying element and reduce energy consumption of the drying device.

Abstract: A gas exhaust control method applied to a respiratory assistance apparatus includes the following steps of: applying gas to a face mask of the respiratory assistance apparatus; detecting a pressure in the face mask; when the pressure in the face mask is lower than a preset pressure range, shrinking a perforation size of an exhaust structure of the face mask by a driving unit of the respiratory assistance apparatus; and when the pressure in the face mask is higher than the preset pressure range, expanding the perforation size of the exhaust structure of the face mask by the driving unit. A respiratory assistance apparatus applied with the gas exhaust control method is also disclosed.

Abstract: A respiratory device includes a host, a pressure sensor and a connecting module. The host includes a first airflow channel and a first shell. The first shell includes a communication part running through the first shell. The pressure sensor is installed in the host and connected with the communication part. The connecting module includes a second airflow channel, a filter and an airflow guiding part. The second airflow channel is in communication with the first airflow channel. The filter is used for filtering an airflow from a breathing tube. A first end of the airflow guiding part is in communication with the communication part, and the unfiltered airflow is introduced into a second end of the airflow guiding part. A pressure level of the unfiltered airflow is detected by the pressure sensor through the communication part and the airflow guiding part.

Abstract: A dehumidifying unit, a layered temperature control dehumidifying element, a drying device and a temperature control method thereof are provided. The dehumidifying element has a plurality of dehumidifying units. The dehumidifying units are made of a direct heating desorption material and used for dehumidifying air by adsorption and capable of being regenerated by desorption. By performing temperature compensation through a preheater and performing a layered temperature control method on the dehumidifying element, the disclosure achieves a uniform temperature control on the air flow passage of the dehumidifying element so as to improve regeneration performance of the dehumidifying element and reduce energy consumption of the drying device.

Abstract: A dehumidifying unit, a layered temperature control dehumidifying element and a drying device are provided. The dehumidifying element has a plurality of dehumidifying units. The dehumidifying units are made of a direct heating desorption material and used for dehumidifying air by adsorption and capable of being regenerated by desorption. By performing temperature compensation through a preheater and performing a layered temperature control method on the dehumidifying element, the disclosure achieves a uniform temperature control on the air flow passage of the dehumidifying element so as to improve regeneration performance of the dehumidifying element and reduce energy consumption of the drying device.

Abstract: A solar power generating system includes at least one solar panel and at least one junction box. The solar panel includes at least one photovoltaic cell group. The photovoltaic cell group includes plural serially-connected photovoltaic cells. The junction box includes a casing, a first power output terminal, a second power output terminal, and at least one localized maximum power point tracking unit. The casing has a receiving space. The localized maximum power point tracking unit is disposed within the receiving space of the casing. An input side of the localized maximum power point tracking unit is electrically connected with the at least one photovoltaic cell group of the solar panel. An output side of the localized maximum power point tracking unit is electrically connected with the first power output terminal and the second power output terminal.

Abstract: A power supply device includes a mini projecting module, a power converting module and a signal transmission element. The power converting module includes a power input part, a power converting circuit and a power output part. The power converting circuit is used for converting the input voltage into a first output voltage and a second output voltage. The first output voltage and the second output voltage are respectively transmitted to an electronic device and the mini projecting module. The first output voltage is transmitted to the electronic device through the power output part. The signal transmission element is used for connecting the electronic device or an image signal source with the mini projecting module so that an image signal provided by the electronic device or the image signal source is transmitted to the mini projecting module through the signal transmission element.

Abstract: The present invention relates to an electronic device having a passive heat-dissipating mechanism. The electronic device includes a circuit board and a radiation enhancement layer. The circuit board has at least an electronic component thereon. The radiation enhancement layer is attached onto at least a portion of a surface of the electronic component for facilitating radiating the heat from the electronic component to the ambient air via natural convection. The radiation enhancement layer is made of a ceramic material.

Abstract: A heat-dissipating device for radiating heat to the ambient air via natural convection includes a thermally conductive plate and a radiation-enhancing layer. The thermally conductive plate is mounted on a circuit board. The radiation-enhancing layer is attached onto a surface of the thermally conductive plate and having a higher emissivity than the thermally conductive plate. By means of such a structure of the heat-dissipating device, the heat generated from an electronic component on the circuit board is successively conducted to the thermally conductive plate, transferred to the radiation-enhancing layer and radiated from the radiation-enhancing layer to the ambient air via natural convection.