Abstract: Provided is a flame simulating device including a light source, a rotary light-transmitter, an imaging plate, a swing shelf and a driving component; the light source emits a first light group; the first light group is projected to the light-transmitter to form a second light group; the light source is disposed on the swing shelf, and the driving component drives the swing shelf to swing around the light-transmitter. An electric fireplace is also disclosed.

Abstract: Provided is a flame simulating device including a light source, a rotary light-transmitter, an imaging plate and a swing unit; the light source emits a first light group; the first light group is projected to the light-transmitter to form a second light group; the light source is disposed on the swing unit, and the swing unit drives the light source to move relatively around the light-transmitter.

Abstract: The present application relates to a safety prevention and control system and control method of a power battery pack for an electric vehicle. The safety prevention and control system of a power battery pack includes a signal acquisition device, a main controller, and a step-by-step prevention and control execution device. The main controller includes a fault diagnosis device, a cell thermal runaway determination device and a battery pack thermal runaway propagation determination device, which are respectively electrically connected to the step-by-step prevention and control execution device to send different control instructions to the step-by-step prevention and control execution device. The step-by-step prevention and control execution device can execute prevention and control actions of different levels according to the different control instructions sent by the fault diagnosis device, the cell thermal runaway determination device and the battery pack thermal runaway propagation determination device.

Abstract: Provided is a flame simulating device including a light source, at least one light-transmitting rotator and an imaging plate, and the light source emits a first light group; the light-transmitting rotators are arranged in a light path of the first light group in a rotatable manner, each of the light-transmitting rotators is provided with multiple light concentrating blocks, these multiple light concentrating blocks convert the first light group into a second light group; and the imaging plate is fixedly arranged in a light path of the second light group.

Abstract: Provided is a flame simulating device including a light source, at least one light-transmitting rotator and an imaging plate, and the light source emits a first light group; the light-transmitting rotators are arranged in a light path of the first light group in a rotatable manner, each of the light-transmitting rotators is provided with multiple light concentrating blocks, these multiple light concentrating blocks convert the first light group into a second light group; and the imaging plate is fixedly arranged in a light path of the second light group.

Abstract: The present invention relates to a blower fan, comprising two side walls, an air duct, a handle, a motor, a wind wheel and a motor control assembly; the two side walls are arranged in parallel with each other; the air duct is arranged between the two side walls in a rotatable way; the handle is mounted on the air duct; the motor and the wind wheel are both mounted in the air duct; the motor control assembly is arranged on a side wall close to the motor and is electrically connected with the motor, installation position of the motor control assembly with respect to the side wall being at an inner side of the side wall. According to the present invention, the air blowing angle is adjustable due to the rotation of the air duct, achieving a better drying effect. Additionally, the structure of the present invention is compact, attractive in appearance and durable.

Abstract: Provided is a heating blower, comprising an air duct, a motor and a wind wheel arranged in the air duct, and a heating device arranged at a first air outlet of the air duct; the wind wheel is fixed to a rotating shaft of the motor; the heating device comprises a housing, an electric heater, a rotary assembly and an air deflector; the housing is sleeved on the first air outlet, forming an inner chamber, which comprises a first area facing directly to the first air outlet and a second area not facing directly to the first air outlet; the electric heater is arranged in one of the first area and the second area; one end of the air deflector is fixedly arranged on the rotary assembly, and the other end of the air deflector rotates with the rotary assembly between the first area and the second area, separating the first area and the second area, so that the first air outlet is communicated with one of the first area and the second area.

Abstract: Provided is a heating blower, comprising an air duct, a motor and a wind wheel arranged in the air duct, and a heating device arranged at a first air outlet of the air duct; the wind wheel is fixed to a rotating shaft of the motor; the heating device comprises a housing, an electric heater and a moving assembly; the housing is sleeved on the first air outlet, forming an inner chamber, which comprises a first area facing directly to the first air outlet and a second area not facing directly to the first air outlet; the electric heater is arranged on the moving assembly, and moves between the first area and the second area along with the moving assembly, so that an airflow blown from the first air outlet switches between a state of passing the electric heater and a state of not passing the electric heater, and is blown out from a second air outlet provided at the housing.

Abstract: The present invention relates to a blower fan, comprising two side walls, an air duct, a handle, a motor, a wind wheel and a motor control assembly; the two side walls are arranged in parallel with each other; the air duct is arranged between the two side walls in a rotatable way; the handle is mounted on the air duct; the motor and the wind wheel are both mounted in the air duct; the motor control assembly is arranged on a side wall close to the motor and is electrically connected with the motor, installation position of the motor control assembly with respect to the side wall being at an inner side of the side wall. According to the present invention, the air blowing angle is adjustable due to the rotation of the air duct, achieving a better drying effect. Additionally, the structure of the present invention is compact, attractive in appearance and durable.

Abstract: A fan provided with storage racks includes a supporting mechanism, a cylinder on the supporting mechanism, a front net cover and a rear net cover on the front end face and the rear end face of the cylinder correspondingly, fan blades in the cylinder, a motor in the cylinder to drive the fan blades to rotate, and a control device electrically connected with the motor. The storage racks are arranged on the outer wall of the cylinder, used for safely and conveniently storing small articles and conveniently dismounted and mounted and capable of being used more conveniently and folded or spread flatly during packaging and transportation, reducing packaging space, better avoiding collision damage during transportation, reducing packaging and transportation cost, and improving efficiency; furthermore, a rotatable lamp serving as an illuminating tool, line winding bars for sorting and storing power lines, and idler wheels for moving the fan conveniently are provided.

Abstract: An oscillating fan, by adding an oscillating motor, to drive the drive gear to move along the periphery of the fixed gear, the oscillating motion of the fan is achieved is disclosed. The fan motor is only used for driving the blades to blow air in a rotating mode, so that the load of the fan motor is reduced, and the oscillating motion stability of the blades driven by the drive gear is ensured. Meanwhile, the installation space of the oscillating and rotating pivot part is reduced, so that the whole oscillating fan is small in size, convenient to transport.