• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    PLC (A) intended to provide both the functions of thermal regulation and air renewal of a room (L), which can be adapted to an air handling unit ensuring one or the other or the two functions and comprising: a fresh air inlet damper (1), an exhaust air extraction damper (2), a mixing damper (3) for mixing fresh air with fresh air recirculated air from the exhaust air, a mixing blower (4), an exhaust air exhaust fan (5), and a heat control unit (6) for supplying calories (6a) or frigories (6b) to said mixture before blowing in the room, these elements being controlled by a regulation (7) of said plant according to thermal comfort criteria measured by the fresh air (A, N), the exhaust air (A, Ev) and the air leaving the thermal control unit (AP), said controller (A) being sensitive to parameters air quality selected from measurements of the amount of CO2, or moisture measurements, or both, taken in the exhaust air; the automaton contains ...
    公开号:BE1018080A3
    申请号:E2008/0221
    申请日:2008-04-10
    公开日:2010-04-06
    发明作者:Martial Archenault；Rugis Tutak
    申请人:Elyo Cylergie Groupement D'inturut Economique；
    IPC主号:
    专利说明:

    Automatic control and / or air exchange
    The present invention relates to a controller intended to provide both the thermal control and air renewal functions of a room, which can be adapted to an air handling unit ensuring one and / or the other said functions.
    In particular, the invention relates to such an automaton connected at least to a fresh air admission damper, an exhaust air extraction damper, a mixing damper for mixing fresh air with fresh air. recirculated air from the exhaust air, a blower blowing the mixture, an exhaust fan exhaust air and a thermal control unit to bring calories or frigories to said mixture before blowing into the room, these elements being controlled by a regulation of said plant according to thermal comfort criteria measured by the temperature of the fresh air, the temperature of the exhaust air and the temperature of the air leaving the thermal control unit, L The invention also relates to the equipment of an air handling unit providing one and / or the other of the thermal regulation and air renewal functions of a room and comprising n automaton according to the invention.
    Numerous systems are described in the scientific literature as providing a regulation of the ventilated airflow according to the presence measured in the room or building served.
    Technological variations can be differentiated by the assistance detection or counting system (optical measurement, infrared presence detection, carbon dioxide measurement, etc.) or in the flow control system (closing of registers of air, voltage variator on fans, frequency inverters, etc.).
    Some systems are patented and disclose integrated systems that include all elements of the ventilation function. They are offered as ventilation boxes incorporating functions of air quality measurement and ventilation control.
    The techniques of modulated ventilation or ventilation regulated according to need have been developed since the 1980s, mainly in the countries of Northern Europe and the United States of America.
    These techniques consist in enslaving the building ventilation regime to the real and measured needs of these buildings. By these techniques, we inject and extract less fresh air into the building. This saves the transport energy of this air, namely the electrical energy used by the exhaust fans or blowing. It also saves the energy of the indoor air treatment, namely its heating, cooling, humidification etc ...
    These savings are made without deteriorating the quality of the indoor air of the building because the ventilation rate is adapted precisely to the real need of the building. For example, the amount of carbon dioxide in the room is measured to control the fan speed.
    These systems are cost-effective when they are installed on large air handling units that brew a volume of air whose economy of treatment repays the equipment. The breakeven point is generally considered for Air Handling Units (ATC) whose fresh air supply flow rate exceeds 2500 m3 / h.
    In the case of these large air handling units, the management of the injected air volume is complex because the air is used as a thermal fluid for heating or cooling the air. We can not manage the quantity of air brought into the building according to the only pollution of this air. Other factors necessary to maintain the expected climatic conditions of the local are to be taken into consideration.
    Experience shows that a system that only takes into account air quality to regulate the amount of fresh air supplied by a CTA is not operational to regulate the climatic comfort of the room if this CTA provides the air used as thermal fluid.
    However, no regulated ventilation system according to the need, integrates into these devices regulatory functions specific to the climate management of the premises.
    In addition, no system is proposed for grafting on air handling units regulated by a controller or by a centralized management of the building, this system being compatible with the existing regulation.
    WO 00/43715 discloses an air conditioning system which takes into account the air quality in the conditioned space using a sensor sensitive to carbon dioxide.
    The invention aims to overcome the drawbacks mentioned above by proposing a system capable of managing CTAs supplying air to premises with non-specific pollution, ie premises whose pollution is only attributed to the presence of human or animal occupants. The invention also aims to save the electrical energy consumed to ensure satisfactory conditioning, with a good quality of the air conditioning.
    According to the invention, a controller intended to provide both the thermal regulation and air renewal functions of a room, which can be adapted to an air handling unit ensuring one or the other or the two functions and comprising: - a fresh air inlet damper, - an exhaust air extraction damper, - a mixing damper to mix fresh air with recirculated air from the evacuated air, - a fan for blowing the mixture, - a ventilator for extracting the exhausted air, and - a thermal control unit for supplying calories or frigories to said mixture before blowing into the room, these elements being controlled by a regulation of said plant according to thermal comfort criteria measured by the fresh air temperature, the exhaust air and the air leaving the thermal control unit, said controller being sensitive to parametric parameters. very high quality of air selected from measurements of the amount of CO2, or measurements of humidity, or both, performed in the exhaust air, is characterized in that it comprises a variator for each blower and extraction, and in that the controller initially manages only the mixing command of Air New / Air recirculated in the pulsed air, then the control of the two variators of ventilation acting on the fans, according to the thermal comfort and the expected air quality.
    Preferably, the automaton according to the invention controls, as a function of these quality parameters, the opening: of the admission register of the fresh air, and of the extraction register of the evacuated air.
    More particularly, the automaton according to the invention also comprises means for humidifying the mixture of fresh air and recirculated air.
    More particularly still, the automaton according to the invention: first regulates the quality of the air of said room by increasing the opening of the admission registers with minimum ventilation speed until the regulation setpoint can be obtained more, then - gradually increases the blowing speed of the fans, then - checks the temperature setpoint, - regulates the intake and blowing speed according to the air quality or temperature that requires the most input in fresh air.
    In a preferred embodiment, the automaton according to the invention also comprises a natural cooling or heating mode making it possible to avoid the energetic supply of frigories or calories by which, before any implementation, the temperature is checked. outside and gradually opens the fresh air flow depending on the difference between the indoor temperature and the outside temperature.
    In another preferred embodiment, the automaton according to the invention also comprises a nocturnal cooling mode by which the outside temperature is recorded around 6:00 am, and if this temperature exceeds a temperature setpoint, the temperature is preemptively ventilation to refresh the room until; the temperature is equal to the outside temperature plus 0.5 ° C with a maximum ventilation of 30 minutes.
    In yet another preferred embodiment, the automaton according to the invention also comprises a mode of purifying the air by which it forces a purification of the air of said room according to a schedule or a date where it is known that the quality of the outside air will be degraded during the day by triggering the ventilation during a determined period, for example for 30 minutes.
    Finally, the present invention relates to an air treatment unit providing one and / or the other of the thermal regulation and air renewal functions of a room and comprising an automaton according to any one of the forms of achievements presented above.
    The innovation presented is to adjust, on an air handling unit, the amount of ventilated air needed to maintain the air quality and expected climatic conditions of the room served. It is the coordination of air renewal functions and air-heating-air-conditioning functions, integrated into the same ventilation modulation system according to the measured needs of the room, which gives the system its character. inventive.
    Although this is not the primary purpose of the invention, an AAC comprising the automaton according to the invention may also for example be used to maintain a process temperature in an industrial premises, independently of any constraint on the quality of the 'air.
    The invention reveals numerous advantages and in particular the possibility of installing the automaton, which represents an autonomous system, on existing air treatment plants, provided with their own regulation which constitutes an important innovation.
    The system is primarily designed to integrate with an existing ACT with its own automation. We will speak of pre-existing automatism. This function is performed by a programmable industrial controller or by a Centralized Technical Management. The automaton according to the invention is an independent autonomous system which operates in parallel and in addition to the existing automation.
    The invention applies to the regulation of an air handling unit supplying an exclusive premises with non-specific pollution, where the occupation of the premises and the quality of the air are supposed to be homogeneous. The system can also manage multi-zone buildings, provided that certain criteria of homogeneity of the air are verified.
    It is considered that the room is heated or cooled by the CTA, which does not exclude that the room can be equipped with additional heating bodies, especially to overcome the losses to the walls.
    The invention will be better understood on reading the detailed description given hereinafter with reference to the drawings, in which: FIG. 1 represents a conventional CTA and its operating elements, FIG. 2 represents the CTA of FIG. equipped with the automaton according to the invention, - Figure 3 shows the percentage of fresh air as a function of the amount of CO 2 in the heating mode of the CTA controlled by the controller according to the invention at minimum drive speed, - FIG. 4 shows the variation of the drive as a function of the amount of CO 2 in the heating mode of the AHU controlled by the PLC according to the invention once the CO 2 threshold has reached the minimum drive speed; FIG. variation of the inverter as a function of the difference between the blowing temperature and the setpoint (here set at 40 ° C), - figure 6 represents the variation of the variator as a function of the difference between the temperature a mbiante (here set at 19 ° C) and the temperature of the exhaust air, - Figure 7 shows the variation of the variator depending on the difference between the temperature of the exhaust air and the air conditioning temperature (here set at 24 ° C). ° C) - Figure 8 shows the variation of the variator as a function of the difference between the minimum temperature of the air blown and the blowing temperature, - Figure 9 shows the variation of the fresh air / recirculated air mixture as a function of the difference between the temperature of the exhaust air and the ambient temperature (here fixed at 19 ° C) - Figure 10 shows the variation of the fresh air / recirculated air mixture as a function of the difference between the blowing temperature and the minimum temperature of the blown air, - Figure 11 shows the block diagram of operation of the controller on the fresh air damper control, - Figure 12 shows the block diagram of operation of the controller on the control of the fans of the extraction and inlet fans of the air mixture, and - Figure 13 shows the recording of the performances of the automaton at an installation site during a day of assembly in an auditorium.
    In Figure 1 is shown an air handling unit to provide both the thermal control functions and air renewal of a local L.
    This comprises - a fresh air inlet damper 1, - an exhaust air extraction damper 2, - a mixing damper 3 for mixing fresh air with recirculated air from the exhaust air, - a mixture blowing fan 4, - an exhaust fan 5, and - a thermal control unit 6 for supplying calories 6a or frigories 6b to said mixture before blowing into the room. local,
    These elements are controlled by a regulation 7 of said plant according to thermal comfort criteria, essentially the temperature, or even the humidity rate or the blowing rate of the incoming air, measured for the fresh air NA, the evacuated air A.Ev. and for the air coming out of the thermal control unit A.P.
    In FIG. 2, the CTA of FIG. 1 is completed by the automaton A object of the present invention.
    As shown in the figure, said automaton A is sensitive to air quality parameters other than the temperature and in particular here, measurements 8a, 8b, 8c of quantity of CO2 respectively on the fresh air AN, the air evacuated A.Ev. and the air leaving the thermal control unit A.P.
    The invention thus relates to: an autonomous industrial automaton providing the functions of acquisition, data recording, regulation, organ control, industrial programming and communication over a telephone network or the Internet, an installed air quality sensor in the exhaust duct or in the ventilated area. The probe is a carbon dioxide concentration probe in the ambient air or any other device making it possible to measure the assistance of the ventilated zone, temperature probes or temperature measurement recopies, namely temperature of the ambient air, forced air temperature, outside air temperature, extracted air temperature, and possibly, - humidity probes or ambient and external humidity measurement recopies, - logic inputs giving information on the operation of the AOC and the climatic or environmental conditions of the geographical location of the AOC (detailed below), - a fresh air proportioning system in the pulsed air, namely a motor supplying the air mixing dampers in the equipped air handling unit, - frequency inverters or any other air flow control system provided by the fans rs.
    The whole can be integrated in an autonomous electrical cabinet.
    General regulation principle The PLC A initially manages only the control 3 mixing new air / air recirculated in the pulsed air then the control of two -Variators B4, B5 of ventilation acting on the fans 4,5.
    The automaton A has no action on the three-way valve of the hot batteries 6a or 6b cold of the CTA.
    On the other hand, the pre-existing automatic system 7 gives its authority over the two controls of the automaton, in particular on the mixing command 3. It no longer provides mixing control as a function of temperature.
    The main input of the PLC is the air quality, but all the measurements mentioned above can control the outputs, according to a specific regulation process.
    Detailed regulation
    We will detail here different modes of operation of the controller depending on the conditions and the desired regulation.
    In the following, the following abbreviations will be used to comment on the figures. These abbreviations will also be found in the figures. .-
    The figures are indicative and may vary depending on the desired regulation.
    • CO2: CO 2 signal: directly expressed in ppm CO 2: 0 to 2000 ppm.
    • TSO: blowout temperature in ° C
    • TEX: outside temperature, or fresh air in ° C.
    • TRE: exhaust air temperature, in ° C.
    • Drive setpoints: VAR, expressed as a percentage of the requested frequency in the range 0- maximum frequency (50 Hz). Note that we go directly from 0 to 30% (min frequency around 15 Hz).
    • Fresh air / extract air mixture: MAN, expressed as a percentage between 0 and 100%, with 0 being the all-air position (maximum recycling) and 100 all-fresh air position (no recycling).
    • Logical clock input: HOR, 0 if dormant, 1 if in operation.
    • Air conditioning logic input: CLIM, 0 if the air conditioning is off, 1 if it works.
    • Setpoint of standby temperature: TVE, in ° C. Minimum temperature at which the room is maintained during the winter, even during the shutdown of ACTs. In general equal to 14 ° C.
    • Ambient temperature setpoint: TAM, 19 ° C.
    • Temperature setpoint in air conditioning: TCL, 24 ° C
    • Setpoint for the minimum temperature of the supply air TBS (temperature below which the 3V valve heats the pulsed air): XA or 16 ° C (avoids condensation and fresh air flow).
    • Temperature setpoint triggering night cooling: TRN = 16 ° C.
    In case of conflict on the value VAR or MAN, it is the command corresponding to the strongest flow which has authority.
    Sleep mode
    Enabled by the internal clock of the PLC A or by a logic signal.
    Sleep mode means no one is supposed to enter the room in less than two hours.
    The installation is stopped but the room is kept at minimum standby temperature (14 ° C).
    HOR = 0 CTA off If TRE> TVE
    no ventilation. Complete recycling. The room is hot enough. The existing control controls the 3-way valve to maintain the frost-free battery.
    VAR = 0 MAN = 0 If TRE <TVE
    we just send enough air to warm the room. Complete recycling.
    VAR = MINI MAN = 0
    Heating mode The A controller only takes care of the air quality. The CO 2 first drives the opening of the damper 3 in the PID mode (with the blower fan A in the blower A at the minimum speed according to FIG. 3) then the flow rate in the PI mode by modifying the speed of the blower A by the dimmer B4, according to FIG.
    The existing automation 7 is responsible for controlling the blowing temperature via the 3-way valve. He no longer has any authority over the opening of the register 3.
    HOR = 1 CTA in operation
    This loop can present kinetic problems because a too unstable beat of the registers can degrade the motors. It is therefore necessary to provide a significant time constant to avoid these beats.
    If TSO> 40 ° C
    The blowing temperature becomes too great. This temperature is normally limited by the existing regulation of the hot water valves. Nevertheless, it is necessary to control the temperature of the blowing jet. The return temperature then controls the air speed, according to the diagram of FIG. 5, in the PI mode or in the P mode to bring as much heat with a greater air flow rate and less hot air.
    If the temperature can not be reached with the minimum airflow
    The air stream is too thin, it is necessary to increase the air flow, according to the diagram of Figure 6, to transmit the power of the hot battery. It takes a dead zone of 1 ° C and a Tl large enough not to regulate the temperature with the air flow.
    Air conditioning mode
    If CLIM = 1 and TRE> TCL
    The air conditioning is switched on and the ambient temperature is higher than the> setpoint. The blowing air flow can not bring enough frigories. It must be increased by slaving it to the recovery temperature in PI mode.
    See Figure 7
    If CLIM = 1 and TSO <TBS
    The jet of cold air is too intense. Cold shower effect and risk of condensation, even at low flow. In this case, it is necessary to increase the flow to decrease the difference between ambient temperature and pulsation temperature, in PI mode. (see figure 8)
    In all these modes, the existing automation can find its usual instructions by driving only the 3-way valve.
    Natural cooling mode or "free cooling" This is a major mode of ventilation that aims to save air conditioning energy.
    We try to refresh the room without air conditioning, gradually opening the flow of fresh air. The operation is identical in winter as in summer. In winter, we check that we do not breathe too cold air, reducing the supply of fresh air.
    For this we take as order the mini of the air shutter control of two controllers controlled at the ambient temperature and the blowing temperature. This is the mini that will be compared to the MAX in the higher order logic comparator.
    During air conditioning, this mode also prevails.
    If CLIM = 0 and
    If TRE> TEX and TRE> TAM
    The mixing register is opened in fresh air.
    We take the mini of the two MAN commands that we compare to the MAX of the C02 command.
    See Figures 9 and 10.
    No additional control on the airflow.
    If CLIM = 1 and
    If TRE> TEX and TRE> TCL
    The scheme is identical.
    Turning on the air conditioning mode does not change this scenario. But in this case we compare the ambient temperature to the summer set temperature.
    We can design the same loop in "free heating" which means that we will send an outside air hotter than that of the local, before heating it. It should be noted that this mode, which is already quite rare in a normal building, is here even more exceptional because the single-zone is generally well insulated and its occupation rapidly raises the temperature
    Night refresh mode
    Operation in summer period, only.
    Principle: we record the outside temperature (fresh air temperature) at 6 o'clock in the morning (theoretical minimum of the day). If this temperature exceeds a set point TRN, ventilation is forced as a precaution to cool the room until the ambient temperature equals the outdoor temperature plus 0.5 ° C, with a maximum ventilation of one half. hour.
    It is therefore necessary around 6 o'clock in the morning, to put the CTA out of sleep, to make it work in free cooling a little prolonged then to put the CTA dormant while waiting for its hour of operation.
    If CLIM = 1 and TRE> TRN As long as TRE> TEX + 0.5 HOR 1 VAR = 100% MAN = 100% HOR = 0
    Air purification mode
    Designed for urban ACTs, especially in metropolitan areas with air quality monitoring.
    The principle is based on the fact that urban pollution undergoes diurnal variations due to transport fluctuations: peaks are reached between 8 am and 10 am and then between 17 and 19 pm. The idea is to force the air filling rooms by ventilating for a maximum of half an hour, before the peaks of pollution. This leaves a reserve of unpolluted air in the room, while waiting for service.
    The air quality monitoring networks transmit a forecast for an air quality indicator to the central server controlling several systems such as PLC A. This indicator follows appropriate processing. According to this one, a specialized software decrees that it is necessary to address an order of purification of the air. This command is sent to PLC A via the internet or modem.
    A simpler method is to trigger the "air cleaning" command according to a schedule or schedule where it is known that the quality of the air will be degraded during the day.
    If one is in regime of purification of air the command is the following one:
    As operating counter <30 minutes HOR 1 VAR = 100% MAN = 100% HOR = 0 The controller according to the invention allows the continuous recording of measurements of the ambient quality which guarantees that the ventilation has always been in conformity the regulations and the requirements of the occupants of the room. This is an important asset for obtaining technical advice or regulatory certification.
    The parameterization of the regulation is carried out at the end of an instrumented audit undertaken beforehand on the CTA. This is based on the recording of pressure, temperature, carbon dioxide content measurements in the different airs managed by the CTA as well as on the energy consumption recorded. The audit also calculates the profitability of the equipment on the site. '
    Figures 11 and 12 show a synoptic summary of the different modes of operation of the controller according to the invention. They present in particular the successive steps of each of these operating modes according to the instructions applied and the variables to be considered.
    In FIG. 11, for example, are presented the sequences and parameters that will control the Mixture Air Fresh / Air Extracted (MAN), the variator being at a minimum. In parallel, Figure 12 shows the sequences and parameters that will control the drives (VAR) of the fans, once the guidelines can not be met by playing only on the mixture (MAN).
    The first sequence of FIG. 11 (PID1) shows that a CO 2 measurement is carried out. This measurement is compared to the setpoint 600-C02max1 from which one starts to play on the selector of the register of the mixture MAN. The variable HOR = 1 specifies that the PLC is in operation.
    Once this setpoint is exceeded, that is to say that it can no longer be respected by only playing on the opening of the register of the mixture, then we move to the first sequence of Figure 12 (PID2). In this one, the CO 2 must be measured which must remain lower than CO2max1 ~ CO2max2.
    The other sequences are interpreted in the same way according to the defined variables and the determined mode of operation of the automaton.
    Hereinafter, an example of a project for implementing the automaton according to the invention is presented.
    The automaton is intended for a CTA of an auditorium.
    The local is a prestigious auditorium with a capacity of 160 seats. The nominal fresh air flow rate is 8,800 m3 / h. The heating, air conditioning, transport of fresh air correspond to an energy consumption of about 80 MWh / year.
    The audit shows that the occupancy rate of this room is low but classic for this type of use: 15%.
    Predictive balance of the equipment: - Gain of thermal comfort by significant decrease of the air flows under the seats of the listeners.
    - Measured decrease in air turbulence.
    - Reduction of ventilation noise, during the phase of penetration in the auditorium: 2 to 3 dB acoustics.
    - Ambient temperature and sanitary quality of the air undisturbed.
    - Energy savings: about 30 MWh thermal and 8 MWh electric smoothed over a year.
    This test of implementation of the automaton object of the invention gave the results illustrated by FIG. 13 during an assembly
    This FIG. 13 comprises several curves plotted according to a system of rectangular axes comprising, on the abscissa, the time expressed in hours, and on the ordinate, on the vertical axis of the right, the scale of temperature in ° C whose graduations also serve as a percentage of energy consumed, and, on the left vertical axis, the CO2 content of the air expressed in ppm.
    The temperature, maintained at 21 ° C is plotted in full line. The CO2 measurement, drawn in dashed lines, expresses the quality of the air (the regulatory threshold is 1000 ppm). The energy consumed, expressed as a percentage of the energy used without the equipment is plotted in bold: the energy expenditure is adapted to the variations of assistance.
    At some sites, the energy savings achieved should allow the equipment to be depreciated in less than 6 months.
    权利要求:
    Claims (8)
    [1]
    1. PLC (A) intended to provide both the thermal regulation and air renewal functions of a room (L), which can adapt to an air handling unit ensuring one or the other or both functions and comprising: - a fresh air intake damper (1), - an exhaust air extraction damper (2), - a mixing damper (3) for effecting a mixture of fresh air with recirculated air from the exhaust air, - a blower for blowing the mixture (4), - an exhaust fan for exhaust air (5), and - a thermal control unit (6) for supplying calories (6a) or frigories (6b) to said mixture before blowing in the room, these elements being controlled by a regulation (7) of said plant according to thermal comfort criteria measured by the temperatures of the room. air (AN), exhaust air (A.Ev.) and air coming out of the ther control unit said automaton (A) being sensitive to air quality parameters selected from measurements of the amount of CO2, or measurements of humidity, or both, performed in the exhaust air, characterized in that it comprises an inverter (B4, B5) for each blower (4) and extraction fan (5), and in that the controller (A) initially manages only the control ( 3) mix of fresh air / air recirculated in the forced air, then the control of the two inverters (B4, B5) of ventilation acting on the fans (4,5), according to the thermal comfort and the quality of the look expected.
    [2]
    2. An automaton according to claim 1, characterized in that it controls, according to these quality parameters, the opening: - the fresh air admission register (1), and - the extraction register exhaust air (2).
    [3]
    3. An automaton according to claim 1 or 2, characterized in that it also comprises humidifying means of the mixture of fresh air and recirculated air.
    [4]
    4. An automaton according to any one of claims 1 to 3, characterized in that it: - first regulates the air quality of said room by increasing the opening of the admission registers with minimum ventilation speed up to that the regulation setpoint can no longer be obtained, then - progressively increases the blowing speed of the fans, then - checks the temperature setpoint, - regulates the intake and the blowing speed according to the air quality setpoint or temperature that requires the most intake of fresh air.
    [5]
    5. An automaton according to any one of claims 1 to 4, characterized in that it also comprises a cooling mode or natural heating to avoid the energetic intake of frigories or calories by which, before any implementation. In this case, the outside temperature is checked and the fresh air flow is gradually opened as a function of the difference between the indoor temperature and the outside temperature.
    [6]
    6. PLC according to any one of claims 1 to 5, characterized in that it also comprises a night cooling mode by which the outside temperature is recorded around 6:00, and if this temperature exceeds a temperature setpoint, Prevent ventilation to cool the room until the temperature equals the outdoor temperature plus 0.5 ° C with a maximum ventilation of 30 minutes.
    [7]
    7. An automaton according to any one of claims 1 to 6, characterized in that it also comprises a purification mode of the air by which one forces a purification of the air of said room according to a schedule or a date when it is known that the quality of the outside air will be degraded during the day by triggering the ventilation during a determined period.
    [8]
    8. Air handling unit providing one and / or the other functions of thermal regulation and air renewal of a room, characterized in that it comprises a controller according to any one of the claims. 1 to 7.>
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    同族专利:
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    引用文献:
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    US5791408A|1996-02-12|1998-08-11|Johnson Service Company|Air handling unit including control system that prevents outside air from entering the unit through an exhaust air damper|
    US6161764A|1999-01-22|2000-12-19|Honeywell International Inc.|Enhanced economizer controller|
    US6415617B1|2001-01-10|2002-07-09|Johnson Controls Technology Company|Model based economizer control of an air handling unit|FR2945335B1|2009-05-05|2012-10-26|Ct Scient Tech Batiment Cstb|METHOD FOR CONTROLLING AND CONTROLLING INTERNAL AIR CONTAINMENT|
    BE1018550A3|2009-05-25|2011-03-01|Qbus Nv Nv|IMPROVED METHOD FOR CONDITIONING A SPACE AND AN APPARATUS APPLIED.|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR0703134|2007-04-30|
    FR0703134A|FR2915558B1|2007-04-30|2007-04-30|AUTOMATE OF REGULATION AND / OR RENEWAL OF AIR.|
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