A multifunctional light source assembly and a multifunctional desk lamp are disclosed. The multifunctional desk lamp includes a base assembly, a lamp head assembly, and a lamp arm assembly; one end of the lamp arm assembly is connected with the base assembly, and the other end is connected with and supports the lamp head assembly; the lamp head assembly is internally provided with the multifunctional light source assembly, the multifunctional light source assembly includes an illumination LED chip, a plant grow light LED chip and an ultraviolet LED chip. The illumination chip, the plant grow light chip and the ultraviolet chip are respectively connected to a controller, which respectively controls the three chips, through the on and off of currents, so that functions such as illumination for reading and writing, sterilization, plant growth assistance can be achieved.

In an air-outlet unit that forms an air outlet of an air conditioner in an automobile, a light-emission control unit controls, in accordance with the airflow rate of the air conditioner that is obtained from an air-conditioning control device of the automobile, an LED driving unit that drives an LED array in such a manner that the amount of light that is emitted from the LED array and that activates a photocatalytic filter increases as the airflow rate of the air conditioner increases. The light that is emitted from the LED array is visible light, and some of the light that is reflected by the photocatalytic filter transmits to an area outside of the air-outlet unit by passing through fins that adjust the direction and the flow rate of the air blown by the air-outlet unit.

An air conditioner unit may include a housing, an outdoor heat exchanger, an indoor heat exchanger, a compressor, a sterilization light assembly, and a controller. The housing may define an indoor portion and an outdoor portion. The housing may further define an exhaust outlet downstream from the indoor portion to exhaust air therefrom. The sterilization light assembly may be disposed within the indoor portion. The controller may be in operable communication with the indoor fan and the sterilization light assembly. The controller may be configured to initiate a sterilizing operation. The sterilizing operation may include directing activation of the indoor fan to motivate air through the indoor portion, detecting activation of the indoor fan to motivate air through the indoor portion, and directing activation of the sterilization light assembly to transmit an ultraviolet light emission within the indoor portion based on detected activation of the indoor fan.

An air enhancing device (1) for disseminating molecules and/or other substances into the air is disclosed comprising a base frame (5) configured to be fixedly mounted in a wall, panel, or furniture of a human accessible space, in particular in an in-wall box or an in-wall cavity in a wall of a building; a cartridge holder (7) attached to the base frame (5) and configured to receive a removable cartridge, the cartridge being designed to contain a fluid substance; and a fan and/or microblower configured to draw air into the air enhancing device (1) and expel air containing at least a portion of the substance out of the air enhancing device (1) into the human accessible space; and/or an emission module attached to the base frame (5) in fluid communication with the cartridge and configured to distribute a portion of the fluid substance into the air.

An electronic device includes a housing, a photocatalyst filter, at least one first sensor provided in the housing, a blower fan configured to introduce air into the housing, a light source configured to emit light to the photocatalyst filter, and a processor configured to control the blower fan and the light source, determine a degree of contamination of the photocatalyst filter based on a difference in sensor values between the at least one first sensor provided in the housing and at least one second sensor outside of the housing or a rate of change in sensor values between the at least one first sensor provided in the housing and the at least one second sensor outside the housing, and recycle the photocatalyst filter based on the determined degree of contamination of the photocatalyst filter.

A rotatable wax-melting fragrance lamp comprises a base, a housing, a rotating component, a heating component, a light-emitting component, a control PCB, and a heat-conducting plate. By arranging the rotating component, the whole product can present a rotating effect, which can make the lamp have better lighting effect and decorative effect, and enables the heating component to melt and volatilize wax more uniformly; the heat-conducting plate is detachable, which is convenient for cleaning and replacing the fragrant wax; the PTC heating element or ceramic heating resistor is used in place of open fire heater. The heating of the PTC heating element or the ceramic heating resistor is to realize the heating of the fragrant wax, so that the fragrant wax produces a pleasant fragrance, which spreads around the immediate vicinity. The PTC heating element or ceramic heating resistor requires lower heating power consumption, while the power control is very sensitive.

A fragrance dispenser can comprise a housing having a socket portion and defining a receptacle configured to receive a bottle having a fragrance-producing liquid therein and a wick extending therefrom. A heater can be disposed proximate to the receptacle so that, when the bottle is received within the receptacle, the heater is disposed proximate to the wick. A controller can be configured to deliver electrical voltage (e.g., pulse-width-modulated voltage) to the heater. A user input device can be in communication with the controller. The controller receives an input from the user input device that is indicative of a selected heat profile of a plurality of heat profiles, and the controller controls the power output of the heater in accordance with the selected heat profile.

A UV sterilization system is provided. In some embodiments, the UV sterilization system includes a first UV LED device having a LED circuit and LED emitters. The UV sterilization system can include a sensor electrically coupled to the first UV LED device, the sensor configured to interrupt the operation of the first UV LED device upon detecting movement within an air conditioning system. The UV sterilization system can include a power module electrically coupled to the sensor, where the power module is electrically coupled to a power supply of the air conditioning system. In some embodiments, the air conditioning system can include a packaged terminal air conditioner (PTAC) unit or a split-air air-conditioner system, and the UV sterilization system can be a part of the PTAC unit or split-air air-conditioning system. In some embodiments, the sensor includes a motion sensor and/or an occupancy sensor.

A photocatalyst filter is provided. The photocatalyst filter includes: a base in which an internal space is formed. The internal space is permeable to fluid, and a plurality of photocatalyst beads are provided in the internal space, wherein a surface of the internal space is reflective.

Breathing treatment device (100) for therapeutic use, the device comprises a motorized air recirculation system, a set of filters for air purification (10a, 10b, 10c, 10d), an ultraviolet ray sterilizer and an plasma electrostimulator, the device characterized in that it comprises means for the ejection of air in laminar flow (6) with noise emission between 0 and 5 dB; means for redirecting the laminar flow towards the head of the patient, a stabilizer (1), a multifilament diffuser (2), one or more UV-C LEDs (11).