EP0513194A1 - Lüftungsgerät für shelter insbesondere für bewegliche shelter. - Google Patents
Lüftungsgerät für shelter insbesondere für bewegliche shelter.Info
- Publication number
- EP0513194A1 EP0513194A1 EP91904402A EP91904402A EP0513194A1 EP 0513194 A1 EP0513194 A1 EP 0513194A1 EP 91904402 A EP91904402 A EP 91904402A EP 91904402 A EP91904402 A EP 91904402A EP 0513194 A1 EP0513194 A1 EP 0513194A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shelter
- air
- supply air
- ventilation device
- exhaust
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B13/00—Special devices for ventilating gasproof shelters
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
Definitions
- Ventilation unit for shelters, in particular for mobile shelters
- the invention relates to a ventilation device with supply and exhaust air devices for shelters, in particular for movable shelters, which contain heat generating internals, and with a flap control for regulating the inside temperature of the shelter by means of outside air.
- the present invention has for its object to provide a ventilation device which allows to implement a temperature control in the interior of the shelter controlled by outside air, in which the fluctuations in the room temperature, based on the outside air temperature, are minimal.
- this object is achieved by the device-side measures mentioned in claim 1, paragraphs 1.1 to 1.5.
- All components of the ventilation device according to the invention are assigned to the same mounting wall; this also applies to the supply air duct, which in a first embodiment is installed on the floor of the shelter and, in a second embodiment, is suspended from the roof of the shelter and which is connected to the supply air device of the ventilation device on the wall side.
- the entirety of the measures according to the invention results in an entire exhaust air flow directed towards the mounting wall, i.e. towards the ventilation device, and across it a sharp supply air flowing out at high speed from the induction slot outlets of the supply air duct in the manner of a high-speed blowing flow directed against the internals.
- the induction slot outlets enable the jet geometry of this blowing flow to be achieved by suitably adjusting their air-deflecting rollers, such that the internals are flowed at or flowed through sharply, if necessary, at different heights.
- the heat given off by the internals is given off directly at the point of origin to the blown air flow, which is discharged as exhaust air either to the outside via exhaust air openings in the part of the ventilation device harboring the exhaust device or as recirculated air via a Mixing chamber is returned to the circuit.
- Two fans are preferably provided, which are connected on the suction side to the mixing chamber, into which also opens an external air duct which is connected to the surroundings via a suction opening.
- the ventilation device according to the invention is particularly advantageous for a shelter with an approximately rectangular plan, the mounting wall being formed by an end wall of the shelter, on the outside or inside of which the ventilation device is mounted.
- two are under one intermediate floor in the first embodiment of the shelter each have supply air ducts running along a longitudinal wall of the shelter;
- an air supply duct laid under the long-handled ceiling in the longitudinal direction of the shelter is provided.
- the supply air ducts are connected to the pressure-side outlets of the two fans.
- Ventilation systems is sought; rather, the exhaust air flows more or less in a cross-flow (horizontal) to the approximately vertical blowing jets of the supply air from the supply air duct, these blowing jets being directed specifically against the internals generating heat loss.
- one or more exhaust air openings in the upper section of the device box are connected to at least one exhaust hood provided on the outside of the associated end wall of the shelter, and that the outside air duct is connected to a downward-facing suction opening on the outside of the assigned one Front wall of the shelter ends.
- the temperature is preferably controlled as a function of the supply air temperature in such a way that a Venetian blind flap which can be actuated by a servomotor is provided to control the proportion of exhaust air, recirculated air and outside air.
- the stepper motors By a suitable timing of the stepper motors, which are already at very small temperature differences of about 0.1 degrees. responds, it is possible to maintain the target temperature of 22 ° C with an accuracy of +/- 1 ° C, as long as the outside temperature takes a value between 0 ° and 20 ° C. Only at very low temperatures and in very hot weather can deviations from the target temperature be accepted: Depending on the deviation, the fans are switched on and off and the blinds increasingly open or close.
- the Venetian blind flaps are adjusted using the servomotors, preferably in such a way that the flap for the exhaust air follows the adjustment of the flap for the outside air in the same direction, while the flap for the recirculating air is adjusted in the opposite direction to that of the outside air.
- FIG. 1 is a vertical longitudinal section through a shelter with a first embodiment of a ventilation device on the inside of an end wall of the shelter,
- FIG. 2 shows a schematic top view of the arrangement according to FIG. 1,
- FIG. 4 shows a second embodiment of a ventilation device with a mounting wall and supply air duct in a three-dimensional, exploded view
- FIG. 5 shows a spatial representation of the ventilation device according to FIG. 4 in a view from the mounting wall
- Fig. 6 is a vertical longitudinal section through a shelter with ventilation device arranged on the outside and
- FIG. 7 is a plan view of the arrangement of FIG. 6th
- the Fig! to 3 of the drawing show the ventilation unit in a first 'embodiment having bottom-side supply air duct 2.
- the device body 1 is located on the inside of an end wall 4 of a shelters 5 with a rectangular ground plan.
- a control unit 6 is also installed in the device box 1.
- the equipment box! has in the area of its upper corners and in its upper cover plate 38 exhaust air openings 7 which are connected to an exhaust air chamber 25.
- the latter is connected via a blind 29 and an exhaust air opening 14 in the end wall 4 to an exhaust air hood 26 arranged on the outside of the end wall 4.
- the exhaust air chamber 25 is connected via another blind 30 to a mixing chamber 22, in which a circulating air portion from the exhaust air chamber 25 and the outside air are mixed. This reaches the mixing chamber 22 via an outside air duct 23, an outside air opening 15 in the end wall 4 and a blind 40.
- the outside air duct 23 is opposite the exhaust hood attached to it
- the mixing chamber 22 is via a dust filter 37 and a silencer
- the fans 21 draw in either pure outside air, pure circulating air or a mixture thereof from the suction chamber 36.
- the fans 21 are each connected on the pressure side via a flap 8 to a supply air chamber 20, to which supply air ducts 2 laid on both sides along the side walls of the shelter 5 are connected.
- the supply air chamber 20 and supply air ducts 2 are arranged under an intermediate floor 16, on which the internals 33 generating waste heat or cabinets 9 containing such internals are constructed.
- the supply air ducts 2 In its upper side formed by the intermediate floor 16, the supply air ducts 2 have so-called induction slot outlets, which are provided either in the form of rows 32 or of grids 3. Such rows 32 are arranged parallel to the longitudinal edges of the supply air duct 2. As is known per se, such induction slot outlets have adjustable Bare air deflecting rollers, which form nozzle-like blow-out slots between them, which enable a sharp and targeted flow against the internals 33 generating the heat loss. Such internals 33 are drawn in FIG. 3 above the left supply air duct 2 with dash-dotted lines; in practice, these are mostly switching devices for electrical systems, for example for switching telephone connections. The supply air emerging from the rows 32 of induction contactor outlets is shown by arrows 34, which represent deliberate sharp blowing currents.
- the supply air blown into the room passes as exhaust air according to arrows A through the exhaust air openings 7 into the exhaust air chamber 25, which is arranged in the upper region of the equipment box 1, and from there into the open air.
- Both the blind 29 adjoining the exhaust air chamber 25 for the outflowing exhaust air A and the blind 40 adjoining the mixing chamber 22 for the inflowing outside air L and the blind 30 for the recirculating air U can be adjusted in both directions of rotation by means of switching motors (not shown) and in the entrance explained manner controlled.
- FIGS. 6 and 7 show the ventilation device in a second embodiment with a ceiling-side supply air duct 2 '.
- a mounting wall 103 which in the embodiment according to FIGS. 6 and 7 is formed by an end wall 4 'of the shelter 5'. 4 also shows a control device 6 ', the inputs and outputs of which are described in more detail below.
- the device box 1 ' is shown rotated by 180 ° with respect to FIG. 4, namely with its connection side facing the mounting wall 103.
- the mounting wall 103 has exhaust air openings 7 'in the area of its upper corners, between the exhaust air openings 7 1 two supply air openings 108 for the connection of associated fans on the pressure side, and a recirculating air opening 109 through which the fans draw in exhaust air on the suction side for circulating operation, so-called recirculating air.
- the supply air duct 2 ' consists of three duct sections.
- a first duct section 10 is connected to the inside of the mounting wall 103 in such a way that both supply air openings 108 are located within the passage cross section of the supply air duct 2 '.
- the first channel section 110 has no blow-out openings. The latter are distributed over the two adjacent channel sections 111 and 112 and are described in more detail in relation to FIG. 7.
- a temperature guide 113 for measuring the supply air temperature is arranged in the middle duct section 111; the temperature sensor cable 114 connected to it forms an input into the control unit 6 '.
- the canal sections 110, 111, 112 of the supply air duct 2 1 have at their upper edges angular fastening flanges 115, on which the supply air duct is mounted on the underside of the ceiling 116 (FIG. 6) of the shelter 5 '.
- the control device 6 ' is connected to the equipment box 1' via a control cable 117 and a power cable 118; a power cord 119 is also connected to the control unit 6 '.
- Other cable connections for fault messages, equipotential bonding or the like are omitted to simplify the drawing.
- the device box 1 ' is composed of several components.
- two fans 21 ' (FIG. 7) are accommodated, which are connected on the pressure side to the supply air openings 108 of the mounting wall 103 and which are connected on the suction side to a mixing chamber 22' (FIG. 6).
- the mixing chamber 22 ' is connected on the one hand to a circulating air opening 109 in the mounting wall 103, and on the other hand to an outside air duct 23', in the interior of which a silencer 24 'is installed.
- Exhaust air chambers 25 ' are provided on both sides of the central cabinet 120 and are connected to the interior of the shelter 5' via the exhaust air openings 7 'of the mounting wall 103.
- Each exhaust air chamber 25 ' has an exhaust hood 26' attached to its side wall, each with an upper exhaust grille 127 and a lower exhaust grille 128.
- Mounting wall 103 assigned wall cutouts 131 to which the pressure side outputs of the fans
- the device box 1 ' is installed in a rectangular shelter 5'.
- the supply air duct 2 'with induction protector outlets 132 runs along the ceiling 116 of the shelter 5' on the underside of the central duct section 111 and third channel section 112.
- the induction slot outlets 132 are arranged parallel to the longitudinal edges of the channel sections and to the front edge of the third channel section 112. They enable a sharp and targeted inflow of internals 33 'in the shelter 5' that generate the waste heat.
- the internals 33 ' are shown in FIGS. 6 and 7 with dash-dotted lines.
- the supply air emerging from the induction slot outlets 132 is shown by arrows 34 ', which represent deliberate sharp blowing currents.
- the supply air blown into the room is either sucked off again as recirculating air according to arrow U through the recirculating air opening 109 or exits as exhaust air according to arrows A through the side exhaust air openings 7 '.
- the circulating air opening 109 is connected to the mixing chamber 22 'via a circulating air duct 139, the circulating air duct 139 essentially corresponding to the housing of the associated louver flap 30'.
- the multi-leaf flap 40 ' like the upper multi-leaf flaps 29' of the exhaust air openings 7 'and the multi-leaf flap 30' of the recirculation air opening 109, can be adjusted in both directions of rotation by means of switching motors (not shown) and controlled in the manner explained at the beginning.
- the delivery rate of the two fans is selected so that a full air change can be achieved at full power and that the outside air temperature rises to a maximum of 40 ° C at an outside air temperature of 32 ° C and a maximum heat loss of 8 kW.
- a target value of 22 ° C is set for the supply air temperature, which is achieved at average outside air temperatures by enriching the outside air with recirculated air.
- the supply air temperature only rises accordingly from an outside air temperature of approx. 21 ° C.
- the fans are switched off and the louvre flaps are closed as soon as the room air in the shelter has dropped to a temperature of around 18.5 ° C.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
- Air-Conditioning For Vehicles (AREA)
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9002189U DE9002189U1 (de) | 1990-02-23 | 1990-02-23 | |
DE9002189U | 1990-02-23 | ||
DE4016078 | 1990-05-18 | ||
DE4016078A DE4016078C1 (de) | 1990-02-23 | 1990-05-18 | |
PCT/EP1991/000343 WO1991013295A1 (de) | 1990-02-23 | 1991-02-25 | Lüftungsgerät für shelter insbesondere für bewegliche shelter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0513194A1 true EP0513194A1 (de) | 1992-11-19 |
EP0513194B1 EP0513194B1 (de) | 1997-05-14 |
Family
ID=25893353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91904402A Expired - Lifetime EP0513194B1 (de) | 1990-02-23 | 1991-02-25 | Lüftungsgerät für shelter insbesondere für bewegliche shelter |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0513194B1 (de) |
AT (1) | ATE153125T1 (de) |
DE (2) | DE4016078C1 (de) |
WO (1) | WO1991013295A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5232401A (en) * | 1991-04-23 | 1993-08-03 | Kawasaki Steel Corporation | Air supplying apparatus |
GB201322916D0 (en) * | 2013-12-23 | 2014-02-12 | Breathing Buildings Ltd | Ventilation arrangement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2062120A5 (de) * | 1969-10-10 | 1971-06-25 | Messier Fa | |
US4037783A (en) * | 1976-02-19 | 1977-07-26 | International Telephone And Telegraph Corporation | Reduced outside air capability for unit ventilators |
-
1990
- 1990-05-18 DE DE4016078A patent/DE4016078C1/de not_active Expired - Lifetime
-
1991
- 1991-02-25 EP EP91904402A patent/EP0513194B1/de not_active Expired - Lifetime
- 1991-02-25 DE DE59108704T patent/DE59108704D1/de not_active Expired - Fee Related
- 1991-02-25 WO PCT/EP1991/000343 patent/WO1991013295A1/de active IP Right Grant
- 1991-02-25 AT AT91904402T patent/ATE153125T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO9113295A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0513194B1 (de) | 1997-05-14 |
ATE153125T1 (de) | 1997-05-15 |
DE4016078C1 (de) | 1991-03-21 |
WO1991013295A1 (de) | 1991-09-05 |
DE59108704D1 (de) | 1997-06-19 |
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