Abstract: An auxiliary device is tended and adapted to be accommodated in an air conduit forming part of an air conditioning device, to which air conduit first flow components, such as a fan, are connected for the purpose of bringing about a main airflow through the air conduit such that the whole main airflow flows through the auxiliary device. The auxiliary device has an arrangement of a number of air conditioning modules which in an active state of the relevant air conditioning module, each allow passage of a partial flow of the airflow and together allow passage of the whole main flow. Control components adjust each of the air conditioning modules between an active state, in which passage of the relevant partial flow is allowed, and a passive state in which a partial flow substantially amounts to zero or flows in opposite direction.

Abstract: A device for subjecting air to UV(C) radiation comprises a UV(C) treatment chamber comprising a UV(C) source, a measuring device comprising one or more of a temperature sensor which measures the temperature on the wall of the UV(C) source; two temperature sensors downstream and upstream of the UV(C) source; and a UV(C) sensor for determining the intensity of the UV(C) radiation. The UV(C) source comprises at least one UV(C) lamp which is held by a lamp holder. The lamp holder comprises positioning elements for holding the measuring device and the lamp(s) in a fixed position. Electrical supply wires and signal wires are arranged such that they are shielded from the radiation from the UV(C) lamp(s).

Abstract: A device for subjecting air to UV(C) radiation comprises a UV(C) treatment chamber comprising a UV(C) source, a measuring device comprising one or more of a temperature sensor which measures the temperature on the wall of the UV(C) source; two temperature sensors downstream and upstream of the UV(C) source; and a UV(C) sensor for determining the intensity of the UV(C) radiation. The UV(C) source comprises at least one UV(C) lamp which is held by a lamp holder. The lamp holder comprises positioning elements for holding the measuring device and the lamp(s) in a fixed position. Electrical supply wires and signal wires are arranged such that they are shielded from the radiation from the UV(C) lamp(s).

Abstract: An auxiliary device is tended and adapted to be accommodated in an air conduit forming part of an air conditioning device, to which air conduit first flow components, such as a fan, are connected for the purpose of bringing about a main airflow through the air conduit such that the whole main airflow flows through the auxiliary device. The auxiliary device has an arrangement of a number of air conditioning modules which in an active state of the relevant air conditioning module, each allow passage of a partial flow of the airflow and together allow passage of the whole main flow. Control components adjust each of the air conditioning modules between an active state, in which passage of the relevant partial flow is allowed, and a passive state in which a partial flow substantially amounts to zero or flows in opposite direction.

Abstract: To improve the air quality in bounded spaces such as a room, an air treatment device and an air treatment method are disclosed. The air treatment device comprises a fan for stimulating airflow through the air treatment device and an UV treatment chamber. An UV radiation source radiates UV radiation in the UV treatment chamber to kill microorganisms in said airflow. The air treatment device is designed such that a high airflow may be generated, while all microorganisms present in the air flowing through the air treatment device are killed. With the high airflow and air cleaning capacity, the air treatment device may clean a bounded space in a short period of time.