Abstract: A fan frame includes a central base, a frame wall, and a plurality of static blades radially extending from the central base to the frame wall, each static blade is connected to the central base at a first end and connected to the frame wall at a second end, the central base is provided with a first wire groove, the frame wall is provided with a second wire groove, the first wire groove and the second wire groove are configured for accommodating wires, and the second wire groove has a shape same as the second end of the static blade connected to the frame wall for gathering the wires to shape similar to the static blade. A fan assembly including the fan frame is also disclosed.

Abstract: A stator includes a stator core and at least one fastener, the stator core includes a lamination, a shaft disposed through the lamination, and at least one insulator disposed on the lamination and configured to be wound with a wire. The fastener is disposed on the at least one insulator and configured for the wire to be wound thereon and for fixing at least one cable coming out from the shaft so as to electrically couple the wire and the at least one cable.

Abstract: The disclosure provides a combined motor stator which is configured to be cooperated with a rotor. The combined motor stator includes a stator yoke and a plurality of stator teeth. The stator yoke has a plurality of first mount structures. Each of the plurality of stator teeth has a second mount structure. The second mount structures of the stator teeth are respectively and removably mounted on the first mount structures of the stator yoke. Each of the second mount structures is in a dovetail shape.

Abstract: The disclosure provides a combined motor stator which is configured to be cooperated with a rotor. The combined motor stator includes a stator yoke and a plurality of stator teeth. The stator yoke has a plurality of first mount structures. Each of the plurality of stator teeth has a second mount structure. The second mount structures of the stator teeth are respectively and removably mounted on the first mount structures of the stator yoke. Each of the second mount structures is in a dovetail shape.

Abstract: A method for controlling a ceiling fan motor includes: setting a target value of rotational speed and a limited value of rotational torque; controlling the ceiling fan motor to operate; obtaining operation information of the ceiling fan motor; calculating a current rotational speed and a current rotational torque according to the operation information; determining whether the current rotational torque is greater than or equal to the limited value of rotational torque; performing a constant rotational torque operation when the current rotational torque is greater than or equal to the limited value of rotational torque; determining whether the current rotational speed reaches the target value of rotational speed when the current rotational torque is less than the limited value of rotational torque; performing a constant rotational speed operation when the current rotational speed reaches the target value of rotational speed; and increasing torque current of the ceiling fan motor.

Abstract: A method for controlling a ceiling fan motor includes: setting a target value of rotational speed and a limited value of rotational torque; controlling the ceiling fan motor to operate; obtaining operation information of the ceiling fan motor; calculating a current rotational speed and a current rotational torque according to the operation information; determining whether the current rotational torque is greater than or equal to the limited value of rotational torque; performing a constant rotational torque operation when the current rotational torque is greater than or equal to the limited value of rotational torque; determining whether the current rotational speed reaches the target value of rotational speed when the current rotational torque is less than the limited value of rotational torque; performing a constant rotational speed operation when the current rotational speed reaches the target value of rotational speed; and increasing torque current of the ceiling fan motor.

Abstract: An external rotor motor includes an inner stator and an external rotor. The external rotor includes a casing and a plurality of magnets. The casing has an annular inner wall. The annular inner wall faces the inner stator and surrounds the inner stator. The magnets are placed along the annular inner wall of the casing. The magnets surround the inner stator. An end of at least one of the magnets has a round edge, a curvature radius of the round edge is R, a thickness of the at least one of the plurality of magnets is T, and the following condition is satisfied: 0.85?R/T?1.

Abstract: An external rotor motor includes an inner stator and an external rotor. The external rotor includes a casing and a plurality of magnets. The casing has an annular inner wall. The annular inner wall faces the inner stator and surrounds the inner stator. The magnets are placed along the annular inner wall of the casing. The magnets surround the inner stator. An end of at least one of the magnets has a round edge, a curvature radius of the round edge is R, a thickness of the at least one of the plurality of magnets is T, and the following condition is satisfied: 0.85?R/T?1.

Abstract: An external rotor motor includes an inner stator and an external rotor. The inner stator includes a stator yoke and stator windings. The stator yoke has a first side and a second side opposite to each other. The first side and the second side are in an axial direction of the inner stator. The stator windings wound round the stator yoke. The external rotor includes a case and a magnet. The magnet is disposed on an inner side of the case, the stator yoke is surrounded by the magnet. The external rotor is rotatable to the inner stator. Two sides of the magnet opposite to each other respectively protrude from the first side and the second side of the stator yoke, and a center of the stator yoke and a center of the magnet are spaced apart by a distance in the axial direction of the inner stator.

Abstract: An outer-rotor permanent magnet brushless motor is disclosed, which comprises an outer-rotor and an inner-stator. The outer-rotor configured with P poles, P is a natural number and denotes a multiple of 4. The inner-stator has a stator axle, and S teeth which configured on outer surface of stator, S=P?1, S is a natural number. A circle is formed about a center of the stator axle from the center of the outer end surface. A correction angle a1 and an original angle a are defined from the center of the outer end surface. T The ratio of a1/a is defined by the following formula: 0.2<(a1/a)<0.6.

Abstract: The present disclosure discloses a controlling device and method for a Heating Ventilation and Air Conditioning system. The controlling device includes a building heat load module, a data collecting module, an optimization module, and a controller. A building heat load model is established according to building envelope data. Field information data and setup data are collected. The building heat load model, the field information data, and the setup data are integrated to produce optimal setup data by optimal computation. According to the optimal setup data, the HVAC system proceeds to modulate room temperature, room humidity, or gas concentration to achieve functions of maintaining indoor thermal comfort and energy conservation.

Abstract: An outer-rotor permanent magnet brushless motor is disclosed, which comprises an outer-rotor and an inner-stator. The outer-rotor configured with P poles, P is a natural number and denotes a multiple of 4. The inner-stator has a stator axle, and S teeth which configured on outer surface of stator, S=P?1, S is a natural number. A circle is formed about a center of the stator axle from the center of the outer end surface. A correction angle a1 and an original angle a are defined from the center of the outer end surface. T The ratio of a1/a is defined by the following formula: 0.2<(a1/a)<0.6.

Abstract: The present disclosure discloses a controlling device and method for a Heating Ventilation and Air Conditioning system. The controlling device includes a building heat load module, a data collecting module, an optimization module, and a controller. A building heat load model is established according to building envelope data. Field information data and setup data are collected. The building heat load model, the field information data, and the setup data are integrated to produce optimal setup data by optimal computation. According to the optimal setup data, the HVAC system proceeds to modulate room temperature, room humidity, or gas concentration to achieve functions of maintaining indoor thermal comfort and energy conservation.

Abstract: A power supply with electrical energy management, applied to variable speed blowing devices includes a rectification unit with a power factor correction function, a DC voltage stabilizing unit, a control unit, an input unit, a communication unit, at least one DC voltage regulator unit with an electrical energy measuring function, and at least one variable speed blowing devices. The rectification unit and the DC voltage stabilizing unit can use AC and DC as the power sources, respectively. The control unit utilizes the input information of the input unit and the electrical energy measuring information of the at least one DC voltage regulator unit to adjusts the output terminal voltages of the at least one DC output voltage regulator unit via applying a priority method, so that the load-shedding operation of the variable speed blowing device can be performed to meet the optimal regional demand control.

Abstract: A motor device includes a main body, an assembling body, a stator and a rotor. The main body includes a first bearing hole and a plurality of first connectors, and all distances between each of the first connectors and an axle of the first bearing hole are the same. The assembling body has a second bearing hole. The stator includes a passage and a plurality of second connectors, the second connectors are coupled to the first connectors respectively to have the stator assembled in the main body, and the passage and the first bearing hole are coaxial. The rotor is disposed inside the passage and two ends of the rotor are installed in the first bearing hole and the second bearing hole respectively. By having both the stator and the rotor positioned by the main body, a gap between the rotor and the stator can be maintained consistently.

Abstract: A motor device includes a main body, an assembling body, a stator and a rotor. The main body includes a first bearing hole and a plurality of first connectors, and all distances between each of the first connectors and an axle of the first bearing hole are the same. The assembling body has a second bearing hole. The stator includes a passage and a plurality of second connectors, the second connectors are coupled to the first connectors respectively to have the stator assembled in the main body, and the passage and the first bearing hole are coaxial. The rotor is disposed inside the passage and two ends of the rotor are installed in the first bearing hole and the second bearing hole respectively. By having both the stator and the rotor positioned by the main body, a gap between the rotor and the stator can be maintained consistently.