EP3882535B1 - Modulares gerät zur beeinflussung des innenklimas - Google Patents

Modulares gerät zur beeinflussung des innenklimas Download PDF

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Publication number
EP3882535B1
EP3882535B1 EP20164560.3A EP20164560A EP3882535B1 EP 3882535 B1 EP3882535 B1 EP 3882535B1 EP 20164560 A EP20164560 A EP 20164560A EP 3882535 B1 EP3882535 B1 EP 3882535B1
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EP
European Patent Office
Prior art keywords
climate
module
appliance
influencing
inlet
Prior art date
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Active
Application number
EP20164560.3A
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English (en)
French (fr)
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EP3882535A1 (de
EP3882535C0 (de
Inventor
Lars Johansson
Joakim Andersson
Armin POPAJA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EL-Bjorn AB
Original Assignee
EL-Bjorn AB
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Publication date
Application filed by EL-Bjorn AB filed Critical EL-Bjorn AB
Priority to EP20164560.3A priority Critical patent/EP3882535B1/de
Publication of EP3882535A1 publication Critical patent/EP3882535A1/de
Application granted granted Critical
Publication of EP3882535C0 publication Critical patent/EP3882535C0/de
Publication of EP3882535B1 publication Critical patent/EP3882535B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
    • F24H3/0411—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems
    • F24H3/0417—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between for domestic or space-heating systems portable or mobile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/0052—Details for air heaters
    • F24H9/0057—Guiding means
    • F24H9/0063—Guiding means in air channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/18—Arrangement or mounting of grates or heating means
    • F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
    • F24H9/1863—Arrangement or mounting of electric heating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
    • F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply

Definitions

  • the present invention relates to a modular inner-climate influencing appliance which normally is used in connection with a temporary set up for influencing the inner-climate of a building site during construction of a building.
  • the inner-climate influencing appliances have different sizes from small units to large units. The smallest units may be hand-held units or easily moved small units which are easy to carry for one person. Medium units may for example comprise wheels used for the relocation and may be relocated/moved by one or two construction workers. Large units are units which has to be moved by some machine like a crane or a forklift or the like.
  • the most common type of an inner-climate influencing appliance is probably the so-called fan heater, which may be a small or medium sized unit which more or less comprises a fan and a heater, where an electrical heater probably is the most common.
  • the fan causes an airflow through the fan heater which air flow is heated by the electrical heater before the air flow leaves the appliance.
  • Medium sized unit may for example be fan heaters with an electrical heater or a water coil, like a heating coil or cooling coil combined with a fan.
  • the fan heater is of course electrically connected to an electricity supply network for the operation of the fan and the electrical heater and if applicable controls which controls the fan heater. If the inner-climate influencing appliance comprises both a fan and a water coil, the inner-climate influencing appliance is also connected to some supply of tempered water/fluid, like a district heating network or the like.
  • Prior art solutions normally are designed as one unit with integrated fan and heater (or cooler or the like) in one single unit, which means that one unit is specially designed for a single purpose. Since a lot of inner-climate influencing appliances are available to the market through rental companies, the rental companies need a lot of different types of machines to cover the needs of a building site and to cover the need of many building sites.
  • an inner-climate influencing appliance with a modular design which may reduce the need of different specialized appliances, each designed for one purpose.
  • Other needs are the need of a less bulky and less noisy inner-climate influencing appliance.
  • An object of the present invention is to provide solutions to the above described problems. These objects of are met by an inner-climate influencing appliance according to claim 1.
  • a modular inner-climate influencing appliance arranged for temporary influencing an inner-climate of a building site, comprises the features of claim 1.
  • the separating wall is preferably made of steel sheet metal and may be one single wall/sheet or may be several walls/sheets which are connected to one separating wall.
  • the separating wall may be flat or bent to a preferred design.
  • centrifugal fan normally comprises a motor arranged directly to the fan/fan impeller and normally, this type of fan comprises a specially designed inlet cone, which follows the fan.
  • the inlet cone is not physically connected to the impeller but arranged really close to the center of the impeller for providing a controlled inflow of air at the center of the fan. The air then leaves the impeller in the radial direction (centrifugally).
  • This type of fan is as told preferred, but it is not necessary to use this specific type of fan.
  • Other names for the preferred type of fan may be plug-fan, chamber fan etc.
  • Such an inner-climate influencing appliance provides a modular design where the housing module comprises inlet, fan, suction chamber, pressure chamber etc. while a climate module of any kind may be connected, disconnected to the housing module, to provide an inner-climate influencing appliance of the kind needed for a special function.
  • the housing module comprises inlet, fan, suction chamber, pressure chamber etc.
  • a climate module of any kind may be connected, disconnected to the housing module, to provide an inner-climate influencing appliance of the kind needed for a special function.
  • one single housing may be used to provide several appliances with different functions such as heating, cooling, filtration, dehumidification (drying), humidification, or combinations thereof. This saves money and also space at the building site, since the same housing may be used for different functions during different states of the building process. No prior art provides such a flexible solution.
  • Another advantage is the positioning of the fan relative the inlet.
  • the inlet of the fan is not directed towards the inlet of the housing as in prior art solutions, which lowers the direct sound (noise) from the fan to outside the housing (i.e. noise via the inlet). It is also positive from sound aspect to relink the airflow as in the invention, from the airflow direction through the inlet to the main airflow direction through the fan, wherein the latter is the main airflow direction of the inner-climate influencing appliance.
  • the at least two connecting portions of the separating wall extends a distance in the airflow direction towards the respective two end portions of the separating wall and are connected to the respective two end portions, such as the center portion is arranged at a first level in the airflow direction and the two end portions are arranged at a second level in the airflow direction.
  • the fan which inlet cone is connected to the separating wall and arranged at the opening of center portion of the wall, is recessed - so to speak - in the separating wall.
  • the separating wall is as mentioned above, preferably a steel sheet which in this embodiment is bent like a "U-form", which means that the center portion of the wall, with the opening and the inlet cone, is at the "bottom” of the U-form, while the end portions of the wall, which are connected to the sidewalls of the housing, are at the top of the shanks of the U-form and finally, the connecting portions connects the "bottom” with the "top” of the "U”.
  • the fan is recessed into the separating wall, since the inlet cone is arranged in close connection to the inlet center of the fan impeller.
  • the inner-climate influencing appliance is less bulky, since the total height/length of the housing module is reduced due to the recessed positioning of the fan in the separating wall. If looking at a section view from the side and compared to a flat separating wall, the separating wall "protrudes” a distance in direction from the pressure chamber "into” the suction chamber. This design also reduces noise, since a linking of the airflow occurs, when air is sucked through the inlet arranged in at least one sidewall and is sucked by the fan through the inlet cone arranged at the opening of the separating wall.
  • the linking is more or less a right angle linking since the sidewall preferably is arranged in a right angle compared to the separating wall and the fan, which means that a main airflow direction from the inlet and through the fan is linked 90 degrees, which is positive concerning noise reduction.
  • the noise is also reduced since the inlet of the fan (inlet cone) is not directed towards the inlet.
  • the reduction of noise due to the inventive design also means that less or no noise dampening insulation is needed which means a less bulky and lighter inner-climate influencing appliance compared to prior art.
  • the climate module comprises a protruding part, which protrudes outside at least one of the sidewalls of the housing module, wherein the protruding part comprises controls and connections arranged for operating the inner-climate influencing appliance.
  • the controls may be arranged for controlling the fan and the climate module, as well as controls for communication with cloud-based functions, main-control units, or other superior systems.
  • the connections may be for example electrical power, connections to water systems like pipe connectors etc.
  • the total height/length of the inner-climate influencing appliance may be lowered since a larger exposed airflow area means lower air speed and better heat transfer if heating or cooling, which in turn means less installed electric power (if electric heating is used) or lower temperature difference (if water based heating or cooling). This ends up in a lower height/thickness in the airflow direction of the climate module both due to heat transfer and due to that the available area is not occupied by the controls as in prior art solutions. Further, lower air speed also means lower pressure drop which is positive if a filter unit is the climate module and also may utilize shorter filters.
  • the connections may be positioned on the underside of the protruding part and by that a weather protection is achieved.
  • Another positive aspect compared to prior art solutions is that because of the large area of the climate module, which is exposed for air flow, for example at electrical heaters, less electrical power is needed. This means lower temperature of the electrical heater which means that less or no heating insulation is needed in the climate module, which also means a less bulky climate module.
  • the climate module comprises an air duct arranged along at least one side of the inflow opening of the climate module, wherein the air duct comprises at least one first duct opening facing the pressure chamber of the housing module, when the climate module is connected to the housing module.
  • the air duct is connected to the protruding part of the climate module and arranged to guide a cooling airflow from the pressure chamber via the first duct opening towards at least the controls arranged in the protruding part, such as the cooling airflow passes the controls.
  • the climate module further comprises at least one outflow opening arranged for letting out said cooling airflow from the climate module.
  • a simple an cost efficient solution for cooling the controls and electrical connections of the climate module is achieved.
  • the outlet opening may be a dedicated opening or may be an outflow through leakage in positions such as the airflow passes the controls.
  • the housing may comprise a lid arranged for access of the controls and connections and the leakage may be through or around the lid.
  • Prior art solutions do not provide such simple and cost efficient solutions for cooling of the controls.
  • the suction chamber is arranged below the pressure chamber in a using position of the inner-climate influencing appliance, which using position is a position of the inner-climate influencing appliance on a substrate such as a floor or the like at a building site.
  • This embodiment thereby discloses an upright standing inner-climate influencing appliance.
  • Such a solution may comprise wheels arranged at the bottom of the housing module.
  • the climate module is connectable to the housing module by locking means with a first locking part arranged at the climate module and a corresponding second part arranged at the housing module.
  • the modular system where the climate module is to be connected to the housing module comprises the locking means for safety reasons and for practical reasons - to get a single unit when connected to each other.
  • the locking means may for example be four locking means with first locking parts arranged on the sidewalls near the open top of the housing module and with corresponding second locking parts arranged around the sidewalls near the inflow opening of the climate module. It is a preferred that electrical connectors are arranged at the respective modules such as power supply and control signals may be transferred between the modules when connected to each other.
  • an upper edge of the inlet of the inner-climate influencing appliance is arranged in the at least one sidewall at a third level between the first level and the second level seen in the airflow direction.
  • the inlet has an extension "above" the center portion with the opening where the inlet of airflow to the fan is arranged, and the upper edge of the inlet is thus positioned in the sidewall at a level, seen in the main airflow direction through appliance, between the level of the center portion and the level of the end portions of the separating wall.
  • the upper edge of the inlet comprises an inlet wall part which protrudes from the at least one sidewall in direction towards the nearest connecting portion, wherein the inlet wall part and the connecting portion together with the sidewall forms a protection area of the suction chamber, in which at least one climate sensor is arranged.
  • climate sensors for example humidity sensor, temperature sensor, pressure sensor etc., wherein they are protected from dust, water, physical impact (demolition) which might occur during filter exchange or cleaning of the suction chamber.
  • the positioning of a pressure sensor also enables the use of short pressure hoses, to measure pressure drop over the filter as well as the pressure difference between suction chamber and pressure chamber.
  • the positioning of a pressure sensor in the protection area is also positive due to low disturbance from airflow, since the protection area is more or less free from turbulence.
  • the at least one climate influencing device of the climate module is a coil.
  • a coil is normally meant a "water coil” or a coil where a fluid of some kind is circulating for heating or cooling the airflow on passage through the inner-climate influencing appliance.
  • the climate influencing device may be a cooling coil and in that case the climate module may need one or several drainage outlet for condensation water, which may be arranged at the protruding part of the climate module and/or in the bottom of the housing as well as at the bottom of the separating wall.
  • the cooling coil may be connected to some kind of superior cooling system.
  • the climate influencing device may also be a heating coil, which in that case is connected to a superior heating system like a district heating system or an internal building site heating system connected to a district heating system or the like.
  • the at least one climate influencing device of the climate module is an electrical heater.
  • the electrical heater may be in the form of one or several heated, flanged or not flanged, electrically coupled rod or the like, which is a common solution on the market. It is preferred to use a special kind of flanged electrical heater with a large heat transferring surface and with a special fin structure to lower the power consumption and surface temperature of the electric heater, which also means less or no need of heating insulation.
  • the at least one climate influencing device of the climate module is an air cleaning device.
  • the air cleaning device is climate influencing to the inner climate of a building site and may be in the form of a filter unit, an ozone air purifier or the like.
  • the at least one climate influencing device of the climate module is a dehumidifier.
  • a dehumidifier as the climate module an airflow may be driven through the inner-climate influencing appliance by means of the fan, which airflow is dehumidified.
  • this may be used for drying construction materials as concrete.
  • One other option could be a humidifier as the climate influencing device.
  • the climate module comprises two or more climate modules arranged in the airflow direction after each other.
  • a number of different functions may be connected to the same housing module which gives a possibility to control the inner-climate regarding more parameters than just one single function.
  • the modular inventive concept is also applicable to this solution by for example that all modules are connectable to each other with the same inventive concept as described above.
  • the housing and the climate module each comprises electrical connection means which are connectable to each other for providing electrical power and/or control signals between the modules.
  • electrical connection means which are connectable to each other for providing electrical power and/or control signals between the modules.
  • an inlet grille is arranged at the center portion of the separating wall on a side facing the suction chamber of the housing, wherein the inlet grille is arranged to cover the first opening.
  • the suction chamber comprises at least two inlets, arranged at opposite sidewalls of the housing module.
  • larger airflows may need a great inlet area which means that at least two inlets are arranged at opposite sidewalls of the housing suction chamber.
  • three or four inlets may also be applicable.
  • Fig. 1 shows an isometric view of the modular inner-climate influencing appliance 1, which comprises a housing 10 and two types of climate modules 20 connectable to the housing 10.
  • the climate module 20 is detachably connectable to the housing 10 to provide a modular concept of changing climate modules 20 such as the same housing 10 may be used for different functions such as for example heating, cooling, humidification, dehumidification, filtration etc.
  • the housing module 10 comprises a bottom 11, sidewalls 12a-d and an open top 13, and further a fan 2 (not directly visible). At least one of the sidewalls 12b comprises an inlet 3, which is arranged to allow an airstream to enter the housing module 10 upon operation of the fan 2.
  • the open top 13 is arranged downstream the fan 2 for outflow of air the housing module 10 and is more or less complete open in direction towards the climate module 20.
  • the climate module 20 is connectable to the housing 10 with an inflow side which faces the open top 13 of the housing module 10, when the climate module 20 is connected to the housing module 10, and the climate module 20 comprises an outlet 4 arranged for outflow of air from the climate module.
  • Fig. 1b shows the modular inner-climate influencing appliance 1 arranged with a first type of climate module 20 attached to the housing 10, which first type of climate module 10 comprises an electrical heater arranged for heating of an airflow.
  • the electrical heater is not visible but will be explained further below.
  • a lid 29 is arranged along the front side of the top of the climate module 20, which lid 29 is arranged for access to controls and connections inside the climate module 20 of course for protection of the same.
  • Fig. 1c shows the modular inner-climate influencing appliance 1 arranged with a second type of climate module 20 attached to the housing 10, which second type of climate module 20 comprises a water coil, arranged for heating or cooling an airflow. Also this climate module 20 comprises the lid 29 for access to controls etc. Separated from the electrical equipment is a number of connections 6 arranged, which in this particular case are pipe connectors arranged for connecting the water coil to a central heating or cooling system.
  • Fig. 2 shows a section view of the modular inner-climate influencing appliance 1, which comprises two main modules, the housing module 10 and the climate module 20.
  • the inner-climate influencing appliance 1 is of the type called "fan heater", arranged for heating of an air stream which is obtained by the operation of the fan 2.
  • the main function of the appliance 1 is that an airflow is obtained from an inlet to an outlet (see symbolic arrows), where the airflow is conditioned somehow, in this case heated, during the airflow through the appliance 1.
  • a main airflow direction z through the inner-climate influencing appliance 1 is achieved upon operating the fan 2, that is more or less an upwardly directed airflow in the preferred embodiment.
  • the fan 2 is as mentioned arranged for obtaining an airflow through the inner-climate influencing appliance 1 from the inlet 3 to an outlet 4 of the inner-climate influencing appliance 1.
  • the fan 2 comprises an impeller 2a, a motor 2b, and an inlet cone 2c, which inlet cone 2c is arrangeable at an inlet center of the impeller 2a.
  • This preferred type of fan 2 is called a centrifugal fan and comprises the specially designed inlet cone 2c, which so to speak "follows the fan".
  • the inlet cone 2c is not physically connected to the impeller 2a but arranged really close to the center of the impeller 2a for providing a controlled inflow of air at the center of the fan 2.
  • centrifugal fan The air then leaves the fan 2 via the impeller 2a in the radial direction (centrifugally outwards, see symbolic arrows).
  • Other names than centrifugal fan may be plug-fan, chamber fan etc.
  • the fan 2 may of course be another type of fan, also a type without an inlet cone 2c.
  • the housing module 10 comprises as mentioned above the bottom 11, the sidewalls 12a-d and the open top 13.
  • the housing module 10 is divided into a suction chamber 14 and a pressure chamber 15 wherein the suction chamber 14 is separated from the pressure chamber 15 by a separating wall 16 and the suction chamber 14 is arranged upstream the fan 2 and the pressure chamber 15 is arranged downstream the fan 2 seen in the main airflow direction z.
  • the fan 2 is physically arranged in the pressure chamber 15 which means that the air which leaves the impeller 2a centrifugally enters the pressure chamber 15 when leaving the fan blade.
  • the fan 2 is arranged at a bracket 2d which is attached to the separating wall 16, wherein the fan 2 is arranged with its inlet opening of the impeller center close to inlet cone 2c.
  • the separating wall 16 comprises a center portion 16c which comprises a first opening 17 and at least two end portions 16a, 16b, each fixedly connected to at least respective opposite sidewalls 12a, 12b of the housing module 10.
  • Two connecting portions 16ca, 16cb are connected to the center portion 16c on opposite sides of the opening 17 and extending towards the respective two end portions 16a, 16b and are connected to the respective end portions 16a, 16b.
  • the inlet cone 2c is arranged at the opening 17 of the separating wall 16 to facilitate a smooth and controlled airflow from the suction chamber 14 to the inlet center of the fan impeller 2a.
  • the inlet 3 of the housing module 10 is arranged at the suction chamber 14, in at least one sidewall 12b of the sidewalls 12a-d.
  • the inner-climate influencing appliance 1 is of medium size and the airflow to be handled by the inner-climate influencing appliance 1 is relatively great, why two inlets 3 are needed.
  • the inlet 3 may comprise a filter of some kind, which may be a "simple" air filter or a more advanced filter like a HEPA-filter.
  • the outlet from the housing 10 is the same as the open top 13, which is arranged in the pressure chamber 15 downstream the fan 2.
  • the separating wall 16 may have different designs.
  • the separating wall 16 may be flat, and for larger airflows (i.e. medium to large appliances) the separating wall 16 has the form like in Fig. 2 , that is with an extension of the wall 16 in the airflow direction z.
  • the two connecting portions 16ca, 16cb extends in direction towards the respective two end portions 16a, 16b of the separating wall 16, wherein the center portion 16c is arranged at a first level z 1 in the airflow direction z and the two end portions 16a, 16b are arranged at a second level z 2 in the airflow direction z.
  • the center portion 16c of the separating wall 16 is arranged below an upper edge 3b of the inlet 3 seen in the using position of the inner-climate influencing appliance 1, i.e. when positioned on a floor in an upright position like in Fig. 2 .
  • the upper edge 3b of the inlet 3 is arranged in the at least one sidewall 12b at a third level z 3 between the first level z 1 and the second level z 2 seen in the main airflow direction z of the inner-climate influencing appliance 1.
  • the upper edge 3b of the inlet 3 comprises an inlet wall part 3b which protrudes from the at least one sidewall 12b in direction towards the nearest connecting portion 16cb, wherein the inlet wall part 3b and the connecting portion 16cb together with the sidewall 12b forms a protection area p of the suction chamber 14, in which at least one climate sensor is arranged (not visible).
  • the protection area p enables a protected positioning of the climate sensors, which for example may be a humidity sensor, a temperature sensor, a pressure sensor etc.
  • the protection area p provides an area/volume in which the sensors are protected from for example dust and water. They are also protected from physical impact which might occur during for example filter exchange or cleaning of the suction chamber.
  • the protection area p is not a closed area but provides a "calm" volume of the suction chamber 14, which despite the contact with the suction chamber 14 provides an air volume more or less free from turbulence which is positive for the accuracy of measurements of for example a pressure sensor.
  • the positioning of a pressure sensor also enables the use of short pressure hoses, to measure pressure drop over the filter as well as the pressure difference between suction chamber and pressure chamber.
  • the climate module 20 is to be arranged downstream the pressure chamber 15 of the housing module 10 and is connectable to the housing module 10.
  • the climate module 20 comprises an inflow opening 22 (see Fig. 4a-b ) for inflow of the airflow to the climate module 20 and which inflow opening 22 faces the open top 13 of the housing module 10 when the climate module 20 is connected to the housing module 10.
  • the climate module 20 further comprises at least one climate influencing device 21 downstream the inflow opening 22 and the climate module 20 further comprises the outlet 4 of the inner-climate influencing appliance 1.
  • the outlet 4 is arranged downstream the climate influencing device 21.
  • the climate influencing device 21 may for example be a coil, like a "water coil” or a coil where a fluid of some kind is circulating for heating or cooling the airflow on passage through the inner-climate influencing appliance 1.
  • the climate influencing device 21 may be a cooling coil and in that case the climate module 20 may need a drainage outlet for condensation water.
  • the cooling coil may be connected to a superior cooling system.
  • the climate influencing device 21 may also be a heating coil, which in that case is connected to a superior heating system like a district heating system or an internal building site heating system, connected to a district heating system or the like.
  • the at least one climate influencing device 21 is an electrical heater in the form of a cluster of heating rods or heated threads with or without flanges. It is preferred to use a special kind of flanged electrical heater with a large heat transferring surface and with a special fin structure to lower the power consumption and surface temperature of the electric heater, which also means less or no need of heating insulation in the climate module 20.
  • the climate module 20 comprises a protruding part 23, which protrudes outside at least one of the sidewalls 12b of the housing module 10 when the climate module 20 is connected to the housing module 10.
  • the protruding part 23 comprises controls 5 and connections 6 arranged for operating the inner-climate influencing appliance 1.
  • the connections 6 may be for example electrical power connections and the controls 5 may be comprise controls for example the fan 2, the electrical heater 21, sensors and communication equipment etc., to be able to measure, evaluate, and control the indoor-climate at the building site in best possible way. This, to keep for example the time schedule of the building process and in operating the inner-climate influencing appliance 1 in the most environmentally friendly way.
  • the climate module 20 comprises an air duct 25 along at least one side 20d, through which air is drawn from the pressure chamber 15 and which air upon its way out to the free (outside the heating module) passes the controls 5 and preferably the connections 6. This is further explained in connection to Fig. 4a-b .
  • An inlet grille 19 is arranged at the center portion 16c of the separating wall 16 on a side facing the suction chamber 14 of the housing 10.
  • the inlet grille 19 "covers" the first opening 17, such as the airflow passes the inlet grille 19 on its way from the suction chamber 14, via the fan 2 to the pressure chamber 15.
  • air is drawn from the room in a horizontal direction into the suction chamber 14. The air is then changing direction vertically upwards (to the airflow direction z), and flows up through the inlet grille 19, via the opening 17 and is guided by the inlet cone 2c and flows further into the center of the fan impeller 2a.
  • the fan 2 throws the air radially outwards to the pressure chamber 15, wherefrom the air enters the climate module 20 in a vertical direction z and then leaves to the free via the outlet 4.
  • the redirection of airflow together with the functionality of the inlet grille 19 and the positioning of the fan 2 at the center portion 16c of the separating wall 16, in relation to the inlet 3 of the housing 10, provide a good noise reduction which is very positive for the inner-climate at the building site.
  • Fig. 3a shows a side view of the modular inner-climate influencing appliance 1
  • Fig. 3b shows an isometric view of the first and the second type of climate modules 20
  • Fig. 3c shows an isometric view of the housing module 10.
  • Most preferred is to use the inner-climate influencing appliance 1 in an upright using position like in Fig. 3a , where the housing 10 is arranged below the climate module 20.
  • the protruding part 23 which protrudes a distance relative the front wall 12b of the housing when the climate module 20 is connected to the housing 20, enables a protection of the connections 6, both like a weather protection and a physical protection due to the protected location.
  • the climate module 20 may be fixedly connected to the housing module 10 by locking means 30, with a first locking part 30a arranged at the climate module 20 and a corresponding second part 30b arranged at the housing module 10. It is preferred that the climate module 20 comprises the outlet 4, but of course, it is possible to have the outlet 4 as a connectable "lid-part" including the outlet 4, which then may be connected to the housing portion. Especially, if a number of climate modules 20 are arranged after (on top of) each other, to provide an inner-climate influencing appliance 1 with more than one function, like heating and filtration or the like. To access the controls 5, the climate module comprises a lid 29, which preferably is attached to the top cover in an articulated manner. The "dotted" arrow at the top left corner of Fig.
  • the housing module 10 may also comprise lifting loops 65 and wheels 70 to facilitate and easy moving of the inner-climate influencing appliance 1 and the climate module 20 may comprise handles 60.
  • the left climate module 20 is provided with an electrical heater why the lid 29 covers the whole top of the protruding part 23 and the controls 5 and connections 6 are accessible under the lid 29 and some of them from the underside.
  • the right climate module 20 is provided with a water coil, why the water connections 6 like pipe couplings may be arranged at one side of the protruding part 23 (for connection upwards) and the electrical controls and connections 6 at the other side of the protruding part 23.
  • Another modular design feature is that the climate module 20 and the housing module 10 each comprises electrical connection means 40, which are connectable to each other for providing electrical power and/or control signals to and between the modules 10, 20.
  • the fan motor 2b and the pressure chamber 15 is as seen in Fig. 3c accessible from the open top 13 of the housing module 10.
  • the suction chamber 14 is accessible via the inlet 3 by removing a filter module or inlet grid from the inlet 3.
  • Fig. 4a shows a view of the underside of the first type of climate module 20 including an electrical heater and Fig. 4b shows a section view of the first type of the same.
  • the inflow opening 22 is large wherein a large area is accessible for the airflow through the climate module 20 which is positive.
  • the climate influencing device 21 is an electrical heater, like in Fig. 4a-b
  • the large area means an effective heat transfer which, enables the use of an electrical heater with less power which in turn leads to lower or no need of heating insulation of the climate module 20.
  • One problem with known fan heaters with electrical heaters is that the inflow area is quite small, why a high power electrical heater is needed which leads to the use of heating insulation and thereby the fan heater gets bulky.
  • the climate module 20 comprises as mentioned before an air duct 25, which is arranged along at least one side 20d of the inflow opening 22 of the climate module 20.
  • the air duct 25 is arranged along three sides of the climate module 20 like an air duct 25 surrounding the inflow opening 22 where walls separates the air duct 25 from the inflow opening 22.
  • the air duct is connected to/open towards the protruding part 23 of the climate module 20 and is arranged to guide a cooling airflow from the pressure chamber 15 via a first duct opening 26 towards at least the controls 5 arranged in the protruding part 23.
  • the climate module 20 further comprises at least one outflow opening arranged for letting out said cooling airflow from the climate module 20 to the free, the cooling airflow passes the controls 5 and thereby cools down the controls.
  • the duct opening 26 may be a hole with a tested size to provide a wanted volume of air to the air duct 25.
  • the outflow opening may be a dedicated outflow hole or as mentioned above, leakages for example around the lid 29.
  • the electrical connection means 40 for a modularized electrical connection between the climate module 20 and the housing module 10 may also be seen in Fig. 4a-b .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Claims (13)

  1. Modulare, ein Innenklima beeinflussende Einrichtung (1), die zum vorübergehenden Beeinflussen eines Innenklimas einer Baustelle angeordnet ist, wobei die ein Innenklima beeinflussende Einrichtung (1) Folgendes umfasst:
    ein Gebläse (2), das dazu angeordnet ist, einen Luftstrom durch die ein Innenklima beeinflussende Einrichtung (1) von einem Einlass (3) zu einem Auslass (4) der ein Innenklima beeinflussenden Einrichtung (1) zu erzielen, wobei das Gebläse (2) ein Gebläserad (2a), einen Motor (2b) und einen Einlasskegel (2c), der an einer Einlassmitte des Gebläserads (2a) anordenbar ist, umfasst,
    ein Gehäusemodul (10), umfassend einen Boden (11), Seitenwände (12a-d) und eine offene Oberseite (13), wobei das Gehäusemodul (10) ferner eine Saugkammer (14) und eine Druckkammer (15) umfasst, wobei das Gebläse (2) in der Druckkammer (15) angeordnet ist und die Saugkammer (14) stromaufwärts des Gebläses (2) angeordnet ist und eine Druckkammer (15) in der Luftströmungsrichtung gesehen stromabwärts des Gebläses (2) angeordnet ist, wobei die Saugkammer (14) von der Druckkammer (15) durch eine Trennwand (16) getrennt ist, wobei die Trennwand (16) eine erste Öffnung (17) umfasst, an der der Einlasskegel (2a) des Gebläses (2) angebracht ist, und wobei die Saugkammer (14) den Einlass (3) der ein Innenklima beeinflussenden Einrichtung (1) umfasst, wobei der Einlass (3) in mindestens einer Seitenwand (12b) der Seitenwände (12a-d) angeordnet ist und die Druckkammer (15) die offene Oberseite (13) stromabwärts des Gebläses (2) zum Ausströmen von Luft aus der Druckkammer (15) des Gehäusemoduls (10) umfasst,
    ein Klimamodul (20), das stromabwärts der Druckkammer (15) des Gehäusemoduls (10) anzuordnen und mit dem Gehäusemodul (10) verbindbar ist, wobei das Klimamodul (20) eine Einströmöffnung (22) zum Einströmen des Luftstroms zu dem Klimamodul (20) umfasst, wobei die Einströmöffnung (22) der offenen Oberseite (13) des Gehäusemoduls (10) zugewandt ist, wenn das Klimamodul (20) mit dem Gehäusemodul (10) verbunden ist, und wobei das Klimamodul (20) ferner mindestens eine ein Klima beeinflussende Vorrichtung (21) stromabwärts der Einströmöffnung (22) umfasst und das Klimamodul (20) ferner den Auslass (4) der ein Innenklima beeinflussenden Einrichtung (1) umfasst, wobei der Auslass (4) stromabwärts der ein Klima beeinflussenden Vorrichtung (21) angeordnet ist,
    wobei die Trennwand (16) des Gehäusemoduls (10) ferner Folgendes umfasst:
    einen mittleren Abschnitt (16c), der die erste Öffnung (17) umfasst,
    mindestens zwei Endabschnitte (16a, 16b), die jeweils fest mit mindestens einer jeweiligen gegenüberliegenden Seitenwand (12a, 12b) des Gehäusemoduls (10) verbunden sind,
    mindestens zwei Verbindungsabschnitte (16ca, 16cb), die mit dem mittleren Abschnitt (16c) auf gegenüberliegenden Seiten der Öffnung (17) verbunden sind und sich hin zu den jeweiligen zwei Endabschnitten (16a, 16b) erstrecken und mit den jeweiligen Endabschnitten (16a, 16b) der Trennwand (16) verbunden sind, wobei sich die mindestens zwei Verbindungsabschnitte (16ca, 16cb) der Trennwand (16) eine Distanz in der Luftströmungsrichtung (z) hin zu den jeweiligen zwei Endabschnitten (16a, 16b) der Trennwand (16) erstrecken und mit den jeweiligen zwei Endabschnitten (16a, 16b) derart verbunden sind, dass der mittlere Abschnitt (16c) auf einer ersten Höhe (z1) in der Luftströmungsrichtung (z) angeordnet ist und die zwei Endabschnitte (16a, 16b) auf einer zweiten Höhe (z2) in der Luftströmungsrichtung (z) angeordnet sind, und wobei
    eine Oberkante (3b) des Einlasses (3) der ein Innenklima beeinflussenden Einrichtung (1) in der mindestens einen Seitenwand (12b) in der Luftströmungsrichtung (z) gesehen auf einer dritten Höhe (z3) zwischen der ersten Höhe (z1) und der zweiten Höhe (z2) angeordnet ist.
  2. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach Anspruch 1, wobei das Klimamodul (20) einen hervorstehenden Teil (23) umfasst, der außerhalb mindestens einer der Seitenwände (12b) des Gehäusemoduls (10) hervorsteht, wobei der hervorstehende Teil (23) Steuerungen (5) und Verbindungen (6) umfasst, die dazu angeordnet sind, die ein Innenklima beeinflussende Einrichtung (1) zu bedienen.
  3. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach Anspruch 2, wobei das Klimamodul (20) einen Luftkanal (25) umfasst, der entlang mindestens einer Seite (20d) der Einströmöffnung (22) des Klimamoduls (20) angeordnet ist, wobei der Luftkanal (25) mindestens eine erste Kanalöffnung (26) umfasst, die der Druckkammer (15) des Gehäusemoduls (10) zugewandt ist, wenn das Klimamodul (20) mit dem Gehäusemodul (10) verbunden ist, und wobei der Luftkanal (25) mit dem hervorstehenden Teil (23) des Klimamoduls (20) verbunden und dazu angeordnet ist, einen Kühlluftstrom von der Druckkammer (15) über die erste Kanalöffnung (26) hin zu mindestens den in dem hervorstehenden Teil (23) angeordneten Steuerungen (5) zu leiten, so dass der Kühlluftstrom die Steuerungen (5) passiert, wobei das Klimamodul (20) ferner mindestens eine Ausströmöffnung umfasst, die dazu angeordnet ist, den Kühlluftstrom aus dem Klimamodul (20) auszulassen.
  4. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei die Saugkammer (14) in einer Verwendungsposition der ein Innenklima beeinflussenden Einrichtung (1) unterhalb der Druckkammer (15) angeordnet ist, wobei die Verwendungsposition eine Position der ein Innenklima beeinflussenden Einrichtung (1) auf einem Untergrund wie etwa einem Boden oder dergleichen auf einer Baustelle ist.
  5. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei das Klimamodul (20) mit dem Gehäusemodul (10) durch Arretierungsmittel (30) mit einem ersten Arretierungsteil (30a), der an dem Klimamodul (20) angeordnet ist, und einem entsprechenden zweiten Teil (30b), der an dem Gehäusemodul (10) angeordnet ist, verbindbar ist.
  6. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei die Oberkante (3b) des Einlasses (3) einen Einlasswandteil (3b) umfasst, der aus der mindestens einen Seitenwand (12b) in einer Richtung hin zu dem nächsten Verbindungsabschnitt (16cb) hervorragt, wobei der Einlasswandteil (3b) und der Verbindungsabschnitt (16cb) zusammen mit der Seitenwand (12b) einen Schutzbereich (p) der Saugkammer (14) bilden, in dem mindestens ein Klimasensor angeordnet ist.
  7. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei die mindestens eine ein Klima beeinflussende Vorrichtung (21) des Klimamoduls (20) eine Spule ist.
  8. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der Ansprüche 1-6, wobei die mindestens eine ein Klima beeinflussende Vorrichtung (21) des Klimamoduls (20) eine Elektroheizung ist.
  9. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der Ansprüche 1-6, wobei die mindestens eine ein Klima beeinflussende Vorrichtung (21) des Klimamoduls (20) eine Luftreinigungsvorrichtung ist.
  10. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der Ansprüche 1-6, wobei die mindestens eine ein Klima beeinflussende Vorrichtung (21) des Klimamoduls (20) ein Entfeuchter ist.
  11. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei das Klimamodul (20) zwei oder mehr Klimamodule (20) umfasst, die in der Luftströmungsrichtung hintereinander angeordnet sind.
  12. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei das Gehäuse (10) und das Klimamodul (20) jeweils elektrische Verbindungsmittel (40) umfassen, die miteinander verbindbar sind, um elektrische Leistung und/oder Steuersignale zwischen den Modulen (10, 20) bereitzustellen.
  13. Modulare, ein Innenklima beeinflussende Einrichtung (1) nach einem der vorhergehenden Ansprüche, wobei ein Einlassgitter (19) an dem mittleren Abschnitt (16c) der Trennwand (16) auf einer Seite angeordnet ist, die der Saugkammer (14) des Gehäuses (10) zugewandt ist, wobei das Einlassgitter (19) so angeordnet ist, dass es die erste Öffnung (17) abdeckt.
EP20164560.3A 2020-03-20 2020-03-20 Modulares gerät zur beeinflussung des innenklimas Active EP3882535B1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1050806A (en) * 1975-09-02 1979-03-20 Rampe Research (A Partnership) Methods and apparatus for ductlessly circulating and selectively supplementally heating large volumes of air in industrial facilities
US5997619A (en) * 1997-09-04 1999-12-07 Nq Environmental, Inc. Air purification system
DE102009011475B4 (de) * 2009-03-06 2012-05-16 Lichtblick Zuhausekraftwerk Gmbh Modulares Blockheizkraftwerk
TWI588419B (zh) * 2014-03-24 2017-06-21 台達電子工業股份有限公司 分離式模組之空調設備組合
IT201700104429A1 (it) * 2017-09-20 2017-12-20 Moreno Priolo Modello di termoventilatore elettrico per il trattamento termico di volumi verticali.
CN110145865A (zh) * 2019-06-12 2019-08-20 莱克电气绿能科技(苏州)有限公司 能充分净化空气的暖风机

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