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WO2012022766A1 - Système et procédé de climatisation de locaux - Google Patents

Système et procédé de climatisation de locaux Download PDF

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Publication number
WO2012022766A1
WO2012022766A1 PCT/EP2011/064155 EP2011064155W WO2012022766A1 WO 2012022766 A1 WO2012022766 A1 WO 2012022766A1 EP 2011064155 W EP2011064155 W EP 2011064155W WO 2012022766 A1 WO2012022766 A1 WO 2012022766A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
temperature
supply
room
supply air
Prior art date
Application number
PCT/EP2011/064155
Other languages
German (de)
English (en)
Inventor
Johannes Reinschke
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2012022766A1 publication Critical patent/WO2012022766A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0008—Control or safety arrangements for air-humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to an arrangement for room air conditioning ⁇ .
  • a method for room air conditioning is specified.
  • Known air-conditioning devices also have one or more temperature sensors in addition to blowers, heating and / or cooling devices.
  • the temperature sensors measure the room air temperature in one or more rooms or room zones.
  • the room air temperature is first set to a predetermined desired value and then maintained at this desired value.
  • a pressure control In addition to the temperature control usually a pressure control is made.
  • previous air conditioning devices are equipped with a large number of pressure sensors. Separate control loops have hitherto been used to control additional room climate parameters.
  • the regulation of the temperature to a constant set point has the disadvantage that the air mixture is not uniform in the climatic to ⁇ -stabilizing spaces and the air exchange rate is too low. So far, this is counteracted with high supply and exhaust rates. However, too high supply and exhaust rates lead to unnecessarily high energy consumption of the air conditioning device for the heating or cooling of the large converted air masses.
  • the arrangement according to the invention is used for the air conditioning of rooms.
  • at least one room, but especially a plurality of rooms is conditioned by an arrangement according to the present invention.
  • Under a room, beyond a closed space is also meant to be a semi-open room or a room zone.
  • a large closed space may be divided into a plurality of space zones.
  • the air conditioning arrangement includes, for example, ei ⁇ nen supply air duct with fresh air inlet, a blower, a heating and cooling device, a humidifier, a dehumidifier and channel valves, which are in particular throttle, an exhaust duct with exhaust air outlet and a recirculating air duct.
  • the arrangement according to the invention comprises at least one Tem ⁇ perature sensor for measuring an actual room temperature.
  • at least one temperature sensor is provided for each room to be conditioned.
  • further Tempe ⁇ ratursensoren are provided, which are arranged in the supply and exhaust air duct system. If a plurality of temperature sensors includes, these are preferably arranged in a feed, exhaust and recirculation duct ⁇ system so that detection of intake, exhaust air and recirculated air temperature is ensured.
  • temperature sensors are arranged in front of and behind heating and cooling devices in the supply air duct, with respect to the supply air flow direction.
  • the invention Klimatleitersan ⁇ order includes at least one control unit, wherein the control unit is configured to switch between two modes of operation at least transform ⁇ .
  • the operating modes are coupled to the actual room temperature, that when leaving a vorgebba ⁇ ren target room temperature interval from a first to a second operating mode is switched.
  • the desired ⁇ space temperature interval up to 1 ° C include.
  • the nominal room temperature interval comprises up to 2 ° C, in particular 2 ° C.
  • the desired room temperature interval may also be greater than 2 ° C.
  • the target temperature range may include a function of the minimum ⁇ set temperature or depending on the maximum target temperature a temperature range which may extend from 0.1 ° C to 10 ° C.
  • the temperature interval comprises a temperature range of 2 ° C.
  • the control unit may be preceded by a device which balances the totality of all detected actual temperatures in the rooms to be conditioned with the setpoint temperature interval.
  • the inventive air-cond ⁇ approximately arrangement operates intermittently and not a pheni ⁇ ge control is carried out to a constant setpoint value.
  • the first operating mode may be a Grundlastbe ⁇ shoot, comprising a ventilation with a definable mini- mal-supply airflow.
  • the second operating mode for example, a control mode, which includes a change in the actual room temperature by means of ventilation with supply air, the temperature of which deviates from the room air temperature.
  • the air-conditioning arrangement is advantageously designed from ⁇ that the operating modes are coupled to the actual room temperature, that is switched on leaving a predeterminable target compartment temperature interval on a lower or upper limit value of the target room temperature interval from a first to a second operating mode ,
  • the second operating mode also stops when the actual temperature above this lower or upper limit again enters the set room temperature interval. Only at Errei ⁇ chen the actual room temperature of the opposite upper or lower limit of the desired room temperature interval is switched back to the first operating mode.
  • rule mode Thus, for example, a maximum setpoint temperature in the case of heating or a minimum setpoint temperature in the case of cooling is obtained.
  • control mode can take place up to an average setpoint temperature.
  • an input device for the control unit is included, wherein the rule ⁇ unit is configured to adjust the setpoint temperature interval in ⁇ individual entries within definable limits.
  • At least one sensor for detecting indoor climate parameters in particular a humidity sensor and at least one STEU ⁇ unit comprises, wherein the control unit for loading and / or dehumidification of the supply air is used.
  • the control of the humidity has the particular advantage that extremely dry or extremely humid indoor air can be avoided, which can be uncomfortable for room users.
  • the limits for humidity values in the rooms to be air-conditioned are preferably set during the commissioning phase. These limits depend on the setpoint temperature range, the outside temperature, the procurement of the interior walls, the consideration of thermal bridges. For fixing the Limits on the humidity in the ⁇ to air-condition the rooms are adhered humidity limits in order to avoid condensation and consequent mold growth on interior walls.
  • the air conditioning assembly comprises, for example, an on ⁇ direction which direction before ⁇ a humidifier and a dehumidifier comprises altering the humidity.
  • the dehumidifying device is, for example, a dry dehumidifier.
  • the dehumidifying device can be realized by means of a cooling device and a downstream heating device.
  • the humidity setpoints eg. B. between 35% and 65% relative humidity.
  • the humidification or dehumidification of the supply air takes place until a moisture limit value is reached. As soon as a moisture limit value is reached, there is no need for further humidification or dehumidification of the supply air, as a result of which humidification or dehumidification accounts for a minimum amount of energy used.
  • a control of the humidity of the supply air is made such that an adjustment of the recirculation and fresh air portion of the supply air is made by controlling the channel valves in the recirculation and fresh air duct.
  • the arrangement advantageously compresseds ⁇ taltet that at least one circulating air and a fresh air channel are included, at least one controllable drain valve in order ⁇ air and at least one controllable drain valve in the fresh ⁇ air duct is arranged, and wherein the control unit for loading and / or dehumidification of the supply air is designed to make an on ⁇ adjustment of the recirculation and fresh air portion of the supply air by controlling the channel valves in the recirculation and fresh air duct.
  • circulating air and fresh air duct are guided so that a common controllable channel valve is arranged.
  • a control unit for humidifying and / or dehumidifying the supply air is advantageously designed such that, in addition to the moisture content of the supply air, in addition, the CO 2 and / or VOC concentration (volatile organic compounds) can be controlled.
  • a separate Steuerein ⁇ direction can be provided, which controls the channel valves, preferably the channel valves in fresh air and recirculated air duct, and granted, for example, a minimum fresh air content.
  • the control unit for loading and / or Ent ⁇ humidification of the supply air and the control of a fan or a channel valve for controlling the supply air flow before ⁇ take.
  • the control unit for humidifying and / or dehumidifying the supply air and the control unit are coupled.
  • an air humidity control may be provided, wherein detected actual air humidity values are compared with a predetermined desired air humidity value or a predetermined desired air humidity interval.
  • the humidity control takes place in particular depending on the supply air temperature.
  • Minim ⁇ least one flow sensor for flow measurement and a control unit for the supply airflow to change in the actual room temperature by means of ventilation with air supply.
  • a controlled system By means of flow sensors, in particular at the air inlets to the rooms to be air-conditioned, with at least one controllable fan in the supply air duct and controllable Kanalventi ⁇ len, at least one controllable channel valve in the supply air duct, a controlled system can be provided.
  • a control unit may, for example, depending on the operating mode or depending on other parameters regulate the Zu Kunststoffrate for ventilation of the rooms to be air conditioned.
  • the supply air volume flow can be dependent on the difference between supply air and room air temperature due to preset parameters.
  • the supply air volume flow can be directly proportional to the difference between supply air and room air temperature.
  • the inventive method is used for air conditioning at least one room and includes the generation of a Zu poverty- and exhaust air flow for ventilation of at least one room, the detection of the actual temperature in the at least one room and the Zuluft- and exhaust air temperature, and the control of at least two operating modes , Which are so coupled to the actual room temperature, that is switched on leaving a predetermined desired room temperature interval of a first Be ⁇ drive mode in a second operating mode.
  • the second operating mode is a control mode which comprises a change of the actual room temperature by means of ventilation with supply air whose temperature differs from the room air temperature
  • the first operating mode comprises a base load operation comprising a ventilation with a definable minimum supply air volume flow.
  • the base load operation offers the advantage of a Absen ⁇ kung the energy consumption of the air conditioning system and a very low noise by low-speed running fans and low air flow speeds.
  • the control mode offers the advantage of thrust-like ventilation of the rooms to be air-conditioned and associated good air mixing and a high air exchange rate.
  • the control mode the temperature is controlled without overshoot, which include a PID control is vorgese ⁇ hen.
  • a PID control is vorgese ⁇ hen.
  • the supply air throttle valves if it requires the temperature difference from outside air temperature to set temperature, can be completely closed.
  • the control mode can be shortened in time and an energy saving for the temperature change can be effected.
  • the air conditioning method comprises the detection of room climate parameters, in particular the humidity of room, supply and exhaust air, and the control of Jardinrypa ⁇ parameters, in particular the humidity, by humidifying or dehumidifying the supply air, by adjusting the circulating air and fresh air content of the supply air by controlling the circulating air and fresh air volume flow.
  • the circulating air and the fresh air volume flow are preferably controlled via controllable duct valves.
  • the circulating air and fresh air volume flow can be controlled via a controllable channel valve in the circulating air and fresh air duct or via a common duct valve.
  • a respective proportion of recirculated air can be predetermined.
  • the method may further include the detection of indoor climate parameters, in particular the humidity of the room, supply and exhaust air and the control of the room climate parameters, in particular the humidity, by humidifying or dehumidifying the supply air by means of a device for changing the humidity.
  • the humidity of the supply air can be made by means of humidification and / or dehumidifying in the supply air duct.
  • the method comprises the calculation of the Energeti ⁇ rule optimum use of energy for change in temperature of the supply air and moisture change in the supply air.
  • the use of energy can be minimized.
  • the ventilation with a definable supply air volume flow in the control mode which is greater than the definable minimum supply air volume flow in base load operation includes. This serves to lower the air flow speed and the fan revolutions in the base load mode, as well as an improved air mixing and air exchange rate in the control mode.
  • an overpressure relative to the external pressure is generated in the rooms to be air-conditioned.
  • the overpressure depends on the outside temperature.
  • a maximum overpressure is set at outside temperatures below -10 ° C and a minimum overpressure at outside temperatures above + 15 ° C.
  • the overpressure is generated by a supply air flow, which is greater than the exhaust air flow.
  • control of Zu Kunststoffvolumenstroms is made with a controllable channel valve or with a controllable fan, or by controlling a controllable channel valve and a controllable fan.
  • Controllable channel valves are z. B.
  • the air volume flow is a function of the opening cross section.
  • the controller for air volume flow control can at the same time be the control of the room climate parameters. It is expedient to combine and coordinate the control of the room climate parameters by adapting the circulated air and fresh air content of the supply air by controlling the recirculated air and fresh air volume flow.
  • the volume flows, at least the supply air volume flow, detected in the control mode, and it is made a regulation of the supply air flow to change the actual temperature by means of ventilation with supply air.
  • the control mode can be characterized in particular by the fact that the supply air volume flow is greater than the exhaust air volume Ström.
  • the difference between supply and exhaust air flow is suitably adjusted by varying fan services to ⁇ air and exhaust fan.
  • the difference of supply air and exhaust air volume flow is set by the throttle position.
  • the difference between supply air and exhaust air volume flow can be dependent on the outside temperature, the minimum value being> 0.
  • Flow sensors may be any type of anemometer, in particular Hitzdrahtane ⁇ mometer or pogelradanemometer.
  • flow sensors can be attached to all room openings. As a result, opened windows or doors can be detected. In particular, in the case of additional room openings, a mode with reduced exhaust air blower output can be set.
  • Fresh air to the supply air is done for example via a control of the channel valves in the recirculation and fresh air duct Alternatively, the control or regulation of the proportions of circulating air and fresh air to the supply air via a combined Ka nalventil done for fresh and recirculated air.
  • a sewer valve flap may be provided in the exhaust air duct.
  • a continuous regulation of the air composition can be carried out.
  • In the control mode of the circulating air ⁇ proportion is preferably kept as large as possible and the exhaust air portion of the exhaust air mög ⁇ lichst low. This can be implemented, for example, by coupling the flap position to the fan power. As the supply air volume flow increases, for example, the circulating air volume flow increases, while fresh air and exhaust air volume flow decrease.
  • the mixing air damper opens.
  • fresh air and exhaust air flaps can be operated synchronously.
  • the percentage opening of the mixing air flap is 100% abzüg ⁇ Lich the opening of the fresh air and exhaust air dampers.
  • an air conditioning method which includes an air conditioning operation and a commissioning phase.
  • the commissioning phase precedes the internal climate ⁇ s réelles compassion.
  • the air conditioning operation preferably corresponds substantially to one of the specified air conditioning methods.
  • the commissioning phase includes an off ⁇ line measurement of flow and temperature distributions in the rooms to be air conditioned and the setting of parameters, in particular the supply air flow.
  • the commissioning ⁇ tion allows to record by means of offline measurements, the settling ⁇ flow and temperature distributions in the rooms to be air conditioned and adjust or adjust accordingly Reglerparame ⁇ ter manually.
  • supply air temperature and Zu Kunststoffgebläse oriental or the supply air blower speed are coupled to each other preferably so that there are suitable flow conditions in the climatic to ⁇ -stabilizing spaces in the control mode.
  • the air conditioning operation ei ⁇ ne such commissioning phase advance, optimal flow and mixing conditions and thus ensures a very good air mixing and sufficient air exchange rate in different spaces and spatial zones, even with aerodynamically unfavorable arrangements.
  • In the air conditioning mode can be dispensed with a regulation of Zu Kunststoffvolu ⁇ menstroms.
  • a control of the supply air volume flow can be made, which does not require pressure sensors.
  • parameters for the control of the temperature and control of the supply air flow can be set in the In istset ⁇ wetting phase.
  • the figure is schematic and does not represent a true to scale illustration.
  • the figure shows an arrangement for room air conditioning.
  • a heating device 30, a cooling device 40, a drying dehumidifier 53, a blower 15 and a moistening device 50 are arranged in this order in a supply air duct 10.
  • Fresh air can flow into the supply air duct 10 via a fresh air duct 20 and circulating air via a circulating air duct 12.
  • the fresh air volume flow and the circulating air volume flow through channel valves 70, 72 are controllable.
  • the channel valves 70, 72 are designed as throttle valves.
  • the temperature and the moisture content of the supply air are measured in the supply air duct 10.
  • the supply air duct branches to the rooms 1, 2, ... N to be air-conditioned.
  • channel valves 60, 61 are arranged before and after each room to be conditioned 1, 2, ... N channel valves 60, 61 are arranged.
  • the channel valves 60, 61 are again throttle valves.
  • an exhaust duct system which converges to a single exhaust duct 11.
  • the temperature and humidity of the exhaust air are detected.
  • a fan 16 is arranged in the Ab ⁇ air duct 11.
  • the exhaust air duct 11 branches into the recirculating air channel 12 and an exhaust air channel 21.
  • the exhaust air channel 21 has a further channel valve 21, in turn, a throttle valve on.
  • the temperature and humidity of the room air are measured.
  • the temperatures of the rooms to be conditioned 1, 2, ... N are monitored, and as soon as an actual room temperature is outside the target room temperature interval, a signal is given to the control unit.
  • the control unit then speaks the heating ⁇ or cooling apparatus 30, 40 to the supply air duct 10 degrees.
  • there is a change in the supply air flow volume by controlling the channel valves 70, 72 in the circulating air and fresh air duct or the blower 15 in the supply air duct 10.
  • a fixed supply air volume value can be defined for each operating mode.
  • there is an additional control unit for the supply air flow for which purpose mounted on the throttle valve 60 of the Zu Kunststoffkanalsystems or directly to the air inlets in the climatic to ⁇ -stabilizing rooms 1, 2, ... N flow sensors.
  • a more uniform Regelein ⁇ is provided or integrated into the control unit for temperature ⁇ control.
  • the control unit is similar to the set and actual ⁇ humidity values in the supply duct 10 into which to climatic ⁇ -stabilizing areas 1, 2, ..., N and the exhaust duct 11 from.
  • a temperature and a humidity sensor in the supply air duct 10 in the flow direction before the heating 30, the cooling 40, the humidifying 50 and the dehumidifier 51 may be attached.
  • the control unit responds to the humidifying or dehumidifying device 51 in the supply air duct 10, wherein a dehumidifying device 51 is realized, for example, by a series connection of a cooling device 40 and a heating device 33.
  • the channel valves 70, 72 in the circulating air and in the fresh air ⁇ channel can be addressed by the control unit.
  • each temperature and humidity in the exhaust duct 11 in the supply air duct 10 directly in front of the branch in front of the rooms to be air-conditioned
  • a control unit for controlling the LuftZusammenset ⁇ pollution an energy optimum can be determined and a heating or Cooling of the supply air by the heating 30 or Abkühlvorrich- device 40 in the supply air duct 10 by suitable composition of the supply air from circulating air and fresh air support, the An ⁇ parts of the circulating air and fresh air to the supply air via the channel valves 70, 72 are controlled.
  • the loading and dehumidification of the supply air ⁇ processing by loading 50 and dehumidification devices 51 in the supply duct 10 can be 20 and recirculation passage 12 un ⁇ termay by suitable control of the passage valves 70, 72 in fresh air. If the target range for the air moisture content and the target temperature range is to be achieved, then temperature control and air humidity control can take place exclusively via the control of the channel valves 70, 72 in the circulating air 12 and in the fresh air duct 20. The control of the channel valve 72 in the recirculating air channel 12 is always bound to the fact that CO 2 and VOC maximum concentrations are not exceeded.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

On sait que des dispositifs et procédés de climatisation de locaux procèdent à une régulation de la température des locaux par rapport à une valeur de consigne pouvant être prédéfinie. Le système de climatisation de locaux selon l'invention présente au moins un capteur de température pour mesurer une température réelle et au moins une unité de régulation, cette dernière étant conçue pour commuter entre au moins deux modes de fonctionnement, les modes de fonctionnement étant couplés à la température réelle de manière à passer d'un premier dans un deuxième mode de fonctionnement lorsque la température réelle sort d'une plage de température de consigne des locaux pouvant être prédéfinie. Le procédé de climatisation selon l'invention comprend la production d'un flux d'air frais et d'un flux d'air vicié pour ventiler au moins un local (1, 2,...N), la détection de la température réelle dans ledit au moins un local (1, 2,...N) ainsi que de la température de l'air frais et de l'air vicié, et la régulation desdits deux modes de fonctionnement. Le deuxième mode de fonctionnement est un mode de régulation qui comprend un changement de la température réelle par ventilation avec de l'air frais dont la température s'écarte de la température de l'air ambiant et le premier mode de fonctionnement est un fonctionnement de base sous charge qui comprend une ventilation avec un débit volumique d'air frais minimal pouvant être fixé.
PCT/EP2011/064155 2010-08-19 2011-08-17 Système et procédé de climatisation de locaux WO2012022766A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010039497A DE102010039497A1 (de) 2010-08-19 2010-08-19 Anordnung und Verfahren zur Raumklimatisierung
DE102010039497.1 2010-08-19

Publications (1)

Publication Number Publication Date
WO2012022766A1 true WO2012022766A1 (fr) 2012-02-23

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DE (1) DE102010039497A1 (fr)
WO (1) WO2012022766A1 (fr)

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CN110989479A (zh) * 2019-12-25 2020-04-10 西安交通大学 一种封闭防爆空间的环境参数测量与调控方法及装置

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SE1250487A1 (sv) * 2012-05-14 2013-04-23 Ecofective Ab Förfarande för att reglera effektuttaget i ett nät för fjärrkyla
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