Abstract: A connector includes a main body, a terminal module, a cable module, a housing and an insulating material. The main body has a first opening and a second opening. The terminal module includes a terminal portion and an insulating portion partially covering the terminal portion. The terminal portion includes plural terminals protruding beyond one side of the insulating portion, a middle portion covered by the insulating portion, and a pin portion exposed from the opposite side of the insulating portion. The cable module has a connecting portion electrically connected to the pin portion. The housing covers the main body and the terminals. The housing has an end portion disposed adjacent to the insulating portion. The end portion is configured with plural third openings. The insulating material which may be poured through the third openings covers the end portion, the connecting portion, the pin portion and the insulating portion, and fills the third openings.

Abstract: A method for alerting component efficacy declining of HVAC apparatus includes: continually recording working time of a fan of an HVAC apparatus and controlling a pressure-difference transmitter arranged on both sides of a filter of the HVAC apparatus for calculating current pressure difference; calculating a first-stage slope based on a first pressure-difference condition, an initial pressure difference, and an accumulated working time of the fan when the current pressure difference reaches the first pressure-difference condition; calculating a second-stage slope based on a second pressure-difference condition, the first pressure-difference condition, and the accumulated working time of the fan when the current pressure difference reaches the second pressure-difference condition; predicting a remaining lifetime of the filter based on the first-stage slope if a comparison result between the two slopes is smaller than or equal to a threshold; otherwise, predicting the remaining lifetime of the filter based on t

Abstract: A lamp group switching control device for switching and controlling a first lamp group and a second lamp group is provided. When receiving a first power source for driving the first lamp group, the lamp group switching control device controls that only the first lamp group provides a first light signal regardless of whether a second power source for driving the second lamp group is received. When the first power source is not received and the second power source is received, the lamp group switching control device controls that only the second lamp group provides the second light signal.

Abstract: A power supply device includes a housing having a socket opening, and a pair of sliding grooves are formed on the socket opening. A guiding piece is formed at a bottom of each sliding groove, and the guiding piece includes a positioning section and a guiding section. A power socket passes through the sliding grooves along the guiding section, and one side of the power socket is abutted against the positioning section so as to contact the socket opening. A cover plate is provided with a pair of clips corresponding to the sliding grooves, and the clips are inserted into the pair of sliding grooves and abutted against a side of the power socket for positioning the power socket.

Abstract: A system for updating upload-period of apparatus data is provided. The system includes a server, a database and an apparatus-status collecting unit interconnected through the Internet. The apparatus-status collecting unit keeps collecting apparatus data generated by at least one apparatus while the apparatus performs its function, and periodically uploads the collected apparatus data to the database for storing according to an upload-period. The server records usage information whenever the apparatus data stored in the database has been accessed. The server then calculates an adjusting parameter based on the usage information, and broadcasts the adjusting parameter to the apparatus-status collecting unit. Therefore, the apparatus-status collecting unit may update the currently-adopted upload-period according to the adjusting parameter.

Abstract: A voltage converting apparatus is provided. A control circuit connects a disturbance element to a voltage-dividing resistor network to disturb a feedback voltage and generate a detection voltage during a resistance detection period, and determines whether the voltage-dividing resistor network is aging according to the detection voltage.

Abstract: A housing of a power supply includes a first cover and a second cover. The first cover includes a first sideboard and a hook. The first cover is configured with a first opening. The hook is disposed aside a side edge of the first opening and protrudes toward an inner side of the first cover. The second cover includes a second sideboard and a protruding platform. The protruding platform is disposed on the second sideboard and protrudes toward an outer side of the second cover. The protruding platform has a buckle hole. When the first cover is assembled with the second cover, the first sideboard is stacked on the outer side of the second sideboard, the protruding platform is engaged with the first opening, and the hook is engaged with the buckle hole.

Abstract: A power converter includes a tubular housing having an accommodation space, a first and a second openings. A power module is disposed in the accommodation space and includes a circuit board and a first fastening portion. A bottom cover is formed with a second fastening portion and first bumps, and the bottom cover is pre-positioned on the tubular housing through the second fastening portion engaged with the first fastening portion. A bottom cover is bonded to the first opening through melting the first bumps by ultrasonic welding. A power cable is inserted through the bottom cover and electrically connected to the circuit board. A power socket is coupled to the second opening.

Abstract: A power conversion device is provided. The power conversion device includes a path module and a control module. The path module includes a first path and a second path. The control module generates a first control signal for controlling the first path and a second control signal for controlling the second path. When an input voltage value received by the path module is less than a first threshold and a boosting operation is performed for the first time, the control module generates the first control signal to interrupt the first path to stop outputting the input power, and adjusts a duty cycle of the second control signal to a first duty cycle based on an input current value and the input voltage value, so as to stabilize an output voltage value.

Abstract: An integrated motor drive includes a frame assembly, a motor, a motor driver and a heat dissipation assembly. The frame assembly includes a first frame and a second frame. The motor is installed on the first frame. The motor driver is installed on the second frame. The heat dissipation assembly includes a motor heat exchange pipe, a motor driver heat exchange pipe, and a heat dissipation pipe. The motor heat exchange pipe is embedded in the first frame, and located at one side portion of the motor for performing heat exchange with the motor. The motor driver heat exchange pipe is embedded in the second frame for performing heat exchange with the motor driver. The heat dissipation pipe is located at an end portion of the motor, and communicated with the motor heat exchange pipe and the motor driver heat exchange pipe.

Abstract: An illuminated touch device includes a circuit board, a backlight module, and a cover plate. The backlight module includes a light guide plate, a light source assembly, and a light-shielding bar. The light guide plate includes a first plate body and a second plate body fitted with each other. The first plate body has a plurality of first microstructures, and the second plate body has a plurality of second microstructures. The light-shielding bar is at an outer periphery of the light guide plate and extends at an intersection between the first plate body and the second plate body, for blocking penetration of light between the first plate body and the second plate body. The cover plate includes first transparent regions and second transparent regions respectively corresponding to the first microstructures and the second microstructures.

Abstract: A method of resistance compensation for measuring output current includes the following steps: (a) providing a secondary side loop of a conversion unit, and the secondary side loop includes a sense resistor and the first line. (b) providing a control unit for controlling the conversion unit, and the control unit is coupled to the first line and the sense resistor. (c) utilizing a first current to flow through the secondary side loop to obtain a first equivalent line resistance of the first line. (d) providing a second current by the control unit flowing through a loop of the sense resistor, the first line and the control unit to obtain a second equivalent line resistance of the second line. (e) compensating the sense resistor by the control unit according to the first equivalent line resistance and the second equivalent line resistance.

Abstract: A power conversion system includes a first and a second energy storage element, a first boost circuit, a switching element, a control circuit and a detection circuit. The first boost circuit is coupled between the first and the second energy storage element. The switching element is coupled to the first boost circuit in parallel. When the first voltage value is lower than a first preset level, the control circuit turns off the switching element and drives the first booster circuit to maintain a second voltage value according to the first voltage value, so that the power conversion system operates in a first state. When the first voltage value is equal to or larger than the first preset level, the control circuit turns on the switching element and turns off the first boost circuit, so that the power conversion system operates in a second state.

Abstract: A switch circuit includes a first switch, a current protection component, a current detection circuit, and a controller. The first switch conducts a primary side coil. The current protection component generates a detection voltage. The current detection circuit outputs a protection voltage. When the detection voltage is not greater than a first threshold, the current detection circuit generates a first voltage corresponding to the detection voltage as the protection voltage. When the detection voltage is greater than the first threshold, the current detection circuit generates a second voltage corresponding to the detection voltage as the protection voltage, where the first voltage is different from the second voltage. The controller is suitable for making the first switch selectively conducting and not conducting. When the protection voltage is greater than a second threshold, the controller does not increase a proportion of a conduction time to a non-conduction time of the first switch.

Abstract: A power converter with over temperature protection compensation includes a main conversion unit, a primary-side control unit, a secondary-side control unit, a secondary detection circuit, and an over temperature adjustment circuit. The secondary-side control unit obtains a secondary voltage change value through the secondary detection circuit, and the secondary-side control unit correspondingly provides a current change value to the over temperature adjustment circuit according to the secondary voltage change value. The over temperature adjustment circuit provides a temperature control voltage according to the current change value so that the secondary-side control unit determines whether an over temperature protection is activated according to the temperature control voltage.

Abstract: A power converter with over temperature protection compensation includes a main conversion unit, a primary-side control unit, a primary detection circuit, and an over temperature adjustment circuit. The primary-side control unit obtains a primary voltage change value through the primary detection circuit, and the primary-side control unit correspondingly provides a current change value to the over temperature adjustment circuit according to the primary voltage change value. The over temperature adjustment circuit provides a temperature control voltage according to the current change value so that the primary-side control unit determines whether an over temperature protection is activated according to the temperature control voltage.

Abstract: A voltage converting apparatus is provided. A control circuit connects a disturbance element to a voltage-dividing resistor network to disturb a feedback voltage and generate a detection voltage during a resistance detection period, and determines whether the voltage-dividing resistor network is aging according to the detection voltage.

Abstract: A stator assembly includes a stator core, an insulated wire frame, a coil, and an annular insulation structure. The stator core includes a magnetic yoke portion and a radial tooth portion, and the radial tooth portion extends from the magnetic yoke portion. The insulated wire frame disposed outside the radial tooth portion of the stator core has a winding slot. The coil is wound in the winding slot of the insulated wire frame annularly. The annular insulation structure is formed by injection moulding and wraps an area where the coil is exposed out of the insulated wire frame, and the coil is packaged between the insulated wire frame and the annular insulation structure.

Abstract: A control apparatus for light emitting diodes (LEDs) includes a voltage conversion unit connected to an LED unit to convert an input voltage to supply the LED unit. A voltage difference detecting unit is connected to the LED unit for detecting an output voltage of the LED unit, and the voltage difference detecting unit includes a first resistor, a second resistor and a transistor. A control unit is connected to the voltage difference detecting unit and a hysteresis driving unit, and the control unit cooperates with the voltage difference detecting unit to provide a predetermined voltage. When the output voltage is less than the predetermined voltage, the control unit notifies the hysteresis driving unit to control the switching unit to be short-circuited, so that the voltage conversion unit stops converting the input voltage to cause the LEDs to be completely extinguished.

Abstract: A power conversion device is provided. The power conversion device includes a path module and a control module. The path module includes a first path and a second path. The control module generates a first control signal for controlling the first path and a second control signal for controlling the second path. When an input voltage value received by the path module is less than a first threshold and a boosting operation is performed for the first time, the control module generates the first control signal to interrupt the first path to stop outputting the input power, and adjusts a duty cycle of the second control signal to a first duty cycle based on an input current value and the input voltage value, so as to stabilize an output voltage value.