초록 ▼

A climate control apparatus for a cleanroom livestock building includes a supply air unit, comprising a supply air conveyor device, an exhaust air unit comprising an exhaust air conveyor device, a temperature sensor, an air pressure sensor, and a climate control unit. The climate control apparatus i

A climate control apparatus for a cleanroom livestock building includes a supply air unit, comprising a supply air conveyor device, an exhaust air unit comprising an exhaust air conveyor device, a temperature sensor, an air pressure sensor, and a climate control unit. The climate control apparatus is adapted to reduce the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor falls below a predetermined lower air pressure limit value, increase the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor exceeds a predetermined upper air pressure limit value, and increase the volume of air conveyed with the supply air unit when the temperature detected by the temperature sensor exceeds a predetermined first upper temperature limit value.

대표청구항 ▼

1. A climate control apparatus for a cleanroom livestock building, comprising: a supply air unit, comprising a power-driven supply air conveyor device with a fan having an air conveying rate of between 500 and 45,000 m3/hr, adapted to control the volume of supply air conveyed therewith,an exhaust ai

1. A climate control apparatus for a cleanroom livestock building, comprising: a supply air unit, comprising a power-driven supply air conveyor device with a fan having an air conveying rate of between 500 and 45,000 m3/hr, adapted to control the volume of supply air conveyed therewith,an exhaust air unit, comprising a power-driven exhaust air conveyor device with a fan, adapted to control the volume of air conveyed therewith,a sensor unit comprising a temperature sensor and an air pressure sensor anda climate control unit in signal communication with the supply air unit, the exhaust air unit and the sensor unit, and which is adaptedto reduce the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor falls below a predetermined lower air pressure limit value;to increase the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor exceeds a predetermined upper air pressure limit value;to increase the volume of air conveyed with the supply air unit when the temperature detected by the temperature sensor exceeds a predetermined first upper temperature limit value;wherein the supply air conveyor device includes a plurality of supply air conveyors which differ from each other in their maximum conveying rates, and wherein the volume of air conveyed through the entire supply air unit by means of a first supply air conveyor is controlled, in a first control range at a first maximum conveying rate, and in a second control range the volume of air conveyed through the entire supply air unit by means of a second supply air conveyor controlled with a second, greater maximum conveying rate; andwherein said plurality of supply air conveyors are arranged in a parallel flow relation to each other. 2. The climate control apparatus according to claim 1, wherein the supply air unit comprises a first group of supply airflow control members having a first minimum throttling capacity in respect of the volume of air conveyed by the supply air unit, and a second group of supply airflow control members having a second minimum throttling capacity in respect of the volume of air conveyed by the supply air unit, the first minimum throttling capacity being less than the second minimum throttling capacity, and the first and second groups of supply airflow control members being arranged parallel to each other in relation to the flow of air conveyed through the supply air unit. 3. The climate control apparatus according to claim 1, wherein the supply air unit includes an air heating device in signal communication with the climate control unit and wherein the climate control unit is adapted to increase the heat output of the air heating device whenever the temperature detected by the temperature sensor falls below a predetermined lower temperature limit value, and to reduce the heat output of the air heating device whenever the temperature detected by the temperature sensor exceeds a predetermined second upper temperature limit value, wherein the second upper temperature limit value is equal to or less than the first upper temperature limit value. 4. The climate control apparatus according to claim 1, wherein the exhaust air unit comprises a first group of exhaust airflow control members having a first minimum throttling capacity in respect of the volume of air conveyed by the exhaust air unit, and a second group of exhaust airflow control members having a second minimum throttling capacity in respect of the volume of air conveyed by the exhaust air unit, the first and second groups of exhaust airflow control members being arranged parallel to each other in relation to the volume of air conveyed through the exhaust air unit. 5. The climate control apparatus according to claim 4, wherein the first minimum throttling capacity is greater than the second minimum throttling capacity. 6. The climate control apparatus according to claim 4, wherein the first group and the second group of exhaust airflow control members are in signal communication with the climate control unit and that the climate control unit is adapted to control the first group of exhaust airflow control members in such a way, whenever the volume of air conveyed by the supply air unit falls below a predetermined first conveying rate, that their throttling effect is increased or reduced, and to control the second group of exhaust airflow control members or the first and second group of exhaust airflow control members in such a way, whenever the volume of air conveyed by the supply air unit exceeds the predetermined first conveying rate, that their throttling effect is increased or reduced. 7. The climate control apparatus according to claim 6, wherein the climate control unit is adapted to control a group of exhaust airflow control members when a different group of exhaust airflow control members has fallen below a predetermined gap from the limits of a set value for the throttling effect, in particular when the different group lies outside the range of 10-90%, 20-80%, 30-70% or 40-60% of its set value range. 8. The climate control apparatus according to claim 1, wherein the climate control unit has a first, second, and third control level and is adapted: to control the temperature in the cleanroom livestock building in the first control level by reducing the volume of supply air when the temperature falls below a predetermined minimum temperature and/or by increasing the heat output of an air heating device contained in the supply air unit and in signal communication with the climate control unit;to control the pressure in the cleanroom livestock building in the second control level, by increasing the volume of supply air and/or reducing the volume of exhaust air when the pressure falls below a predetermined minimum pressure; andto maintain a minimum required pressure in the cleanroom livestock building, in the third control level, by setting a maximum volume of supply air and reducing the exhaust air volume to zero when the pressure falls below the minimum required pressure,the first and second control levels exercising control with equal priority, and the third control level exercising control with priority over the first control level. 9. The climate control apparatus according to claim 4, wherein the first group and the second group of exhaust airflow control members are in signal communication with the climate control unit and that the climate control unit is adapted to control the second group of exhaust airflow control members such that whenever the air pressure detected by the air pressure sensor falls below a predetermined lower air pressure limit value, the throttling effect is increased, and to control the first group of exhaust airflow control members such that whenever that the air pressure detected by the air pressure sensor does not exceed the predetermined lower air pressure limit value as a result of increasing the throttling effect of the second group, the throttling effect of said first group is increased. 10. The climate control apparatus according to claim 4, wherein the first group and the second group of exhaust airflow control members are in signal communication with the climate control unit and that the climate control unit is adapted to control the first group of exhaust airflow control members such that whenever the air pressure detected by the air pressure sensor exceeds a predetermined upper air pressure limit value, the throttling effect is reduced, and to control the second group of exhaust airflow control members such that whenever the air pressure detected by the air pressure sensor does not fall below the predetermined lower air pressure limit value as a result of decreasing the throttling effect of the first group, the throttling effect of said second group is reduced. 11. The climate control apparatus according to claim 9, characterized in that the climate control unit is adapted to control a group of exhaust airflow control members when a different group of exhaust airflow control members has fallen below a predetermined gap from the limits of a set value for the throttling effect, in particular when the different group lies outside the range of 10-90%, 20-80%, 30-70% or 40-60% of its set value range. 12. A climate control apparatus for a cleanroom livestock building, comprising: a supply air unit, comprising a power-driven supply air conveyor device with a fan, adapted to control the volume of supply air conveyed therewith,an exhaust air unit, comprising a power-driven exhaust air conveyor device with a fan and an exhaust air louver, adapted to control the volume of air conveyed therewith,a sensor unit comprising a temperature sensor and an air pressure sensor and a climate control unit in signal communication with the supply air unit, the fan and the exhaust air louver of the exhaust air unit, and the sensor unit, and which is adaptedto reduce the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor falls below a predetermined lower air pressure limit value;to increase the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor exceeds a predetermined upper air pressure limit value;to increase the volume of air conveyed with the supply air unit when the temperature detected by the temperature sensor exceeds a predetermined first upper temperature limit value;wherein the exhaust air louver and the fan of the power-driven exhaust air conveyor device are controlled by said climate control unit according to a sensor signal of said sensor unit in such a way that the opening of the cross-section of the exhaust air louvers is set by the climate control unit according to the pressure measured in the livestock building. 13. The climate control apparatus of claim 12, wherein the exhaust air louvers comprise a first group of small exhaust air louvers and a second group of larger exhaust air louvers, wherein the first group of small exhaust air louvers is actuated by means of a first control signal and the second group of large exhaust air louvers is actuated by means of a second control signal. 14. A climate control apparatus for a cleanroom livestock building, comprising: a supply air unit, comprising a power-driven supply air conveyor device with a fan, adapted to control the volume of supply air conveyed therewith,an exhaust air unit, comprising a power-driven exhaust air conveyor device with a fan, adapted to control the volume of air conveyed therewith,a sensor unit comprising a temperature sensor and an air pressure sensor, anda climate control unit in signal communication with the supply air unit, the exhaust air unit and the sensor unit, and which is adapted:to reduce the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor falls below a predetermined lower air pressure limit value;to increase the volume of air conveyed by the exhaust air unit whenever the air pressure detected by the air pressure sensor exceeds a predetermined upper air pressure limit value;to increase the volume of air conveyed with the supply air unit when the temperature detected by the temperature sensor exceeds a predetermined first upper temperature limit value;to control the temperature in the cleanroom livestock building in a first control level by reducing the volume of supply air when the temperature falls below a predetermined minimum temperature and/or by increasing the heat output of an air heating device contained in the supply air unit and in signal communication with the climate control unit;to control the pressure in the cleanroom livestock building in a second control level, by increasing the volume of supply air and/or reducing the volume of exhaust air when the pressure falls below a predetermined minimum pressure; andto maintain a minimum required pressure in the cleanroom livestock building, in a third control level, by setting a maximum volume of supply air and reducing the exhaust air volume to zero when the pressure falls below the minimum required pressure,the first and second control levels exercising control with equal priority, and the third control level exercising control with priority over the first control level.