EP0928855A1 - Verfahren und Vorrrichtung zum Entfeuchten und/oder Entsalzen von Bauwerken - Google Patents
Verfahren und Vorrrichtung zum Entfeuchten und/oder Entsalzen von Bauwerken Download PDFInfo
- Publication number
- EP0928855A1 EP0928855A1 EP99100060A EP99100060A EP0928855A1 EP 0928855 A1 EP0928855 A1 EP 0928855A1 EP 99100060 A EP99100060 A EP 99100060A EP 99100060 A EP99100060 A EP 99100060A EP 0928855 A1 EP0928855 A1 EP 0928855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frequency
- signal
- low
- frequency signal
- sequences
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/70—Drying or keeping dry, e.g. by air vents
- E04B1/7007—Drying or keeping dry, e.g. by air vents by using electricity, e.g. electro-osmosis
Definitions
- the invention relates to a first inventive concept Process for dehumidifying and / or desalting buildings by applying it in time with a first low-frequency Signal successive sequences of a high-frequency, by applying at least one voltage accordingly Coil generated electromagnetic vibration, its frequency is in the range of 141 kHz and its amplitude is in the range of each Sequence preferably decays exponentially, and goes according to one further inventive ideas on a preferred device for Carrying out this procedure with a building associated transmission device containing at least one coil, the one that preferably contains an oscillator Vibration generator with a high frequency Vibration-executing voltage can be applied by means of successive, damped sequences of a modulator are impressed by modulation of a high-frequency signal be formed with a low-frequency signal by a upstream of the modulator, processing a square-wave signal Differentiator is formed.
- a method and a device of this type are known from EP 0 736 639 A1 known.
- the length is successive sequences of high frequency vibration equal.
- the consequent pushing of the moisture particles or the one surrounded by a hydration shell, from which in the Moisture dissolved salt resulting ions therefore takes place in always the same intervals. This can lead to some Habituation effect that adversely affects the achievable Dehumidification effect.
- the length of successive sequences can be expedient be changed periodically. This simplifies the device technology Realization.
- the period length can expediently be at least comprise four, preferably ten full sequences. this makes possible a gradation in comparatively large levels and results at the same time a sufficiently long period.
- the vibration level of the high frequency vibration in preferably the same intervals can be changed. This will the desired irregularity and thus the mode of action elevated.
- the change in the vibration level of the high frequency oscillation in time with a second low frequency Signal can be a square wave signal act, with one on each rising or falling edge Change can be made.
- the frequency can expediently so be chosen that the distance of the changes of the Vibration levels of the period length of the Sequence change periods corresponds. This therefore results in at the beginning of each period also a change in the Vibration levels, which has a particularly good effect can be.
- Another, particularly preferable measure to increase the dehumidification effect can advantageously consist in that in the area surrounding the building a potential sink regarding of the potential existing in the building is generated.
- a potential sink regarding of the potential existing in the building is generated.
- the Moistures are usually dissolved in salts, so that ions result in which the moisture accumulates. These particles are attracted by a potential sink depending on their charge.
- the modulator can expediently be combined with a further, low-frequency signal.
- this signal can the voltage applied to the coil of the transmitter in Clock of this signal can be changed by leaps and bounds. Preferably done a jump of 11 volts each. This advantageously results in desired level shift of the high-frequency vibration, a jump of 11 volts, as experiments have shown, especially good results can be expected.
- the Signal generating device a power supply with an upstream power transformer is assigned, the power supply two DC outputs for plus and has minus, via which the signal generating device and the transmitter can be supplied with plus and minus voltage and are optionally used to form a potential sink with a at least near the structure, conductors that can be inserted into the ground are connectable.
- the supply of the signaling device and the Transmitter with plus and minus voltage makes one unnecessary Ground connection. This will double the performance of the operational amplifier there enables.
- the optional supply that can be brought into the earth to form a potential sink Conductor with plus or minus voltage allows in a more advantageous Wise adaptation to the local earth potential, the plus or Can be minus. This results in a high level of versatility.
- the device on which FIG. 1 is based is used for Dehumidification and desalination of, for example, by ascending Moisture of damp masonry of all kinds of structures, for example buildings or parts of buildings.
- a corresponding one Building is indicated in Figure 1 by a wall 1.
- electromagnetic Generates vibrations 2 with which the wall 1 is applied are sequences of a high frequency Vibration with a frequency in the range of 141 kHz, preferably exactly 141 kHz.
- the device according to the invention preferably contains one with an antenna provided transmitter 3 with at least a coil.
- the transmitter has only one outdoor antenna. Additionally or alternatively, one can also be physical Connection to the structure bringable contact antenna provided be. This must be electrically insulated from the building.
- On the coil of the transmitter 3 is a high frequency Voltage signal from one of the transmitting device 3 upstream signal generating device 4 is supplied, the one Oscillator 5 can contain.
- the one provided with an oscillator 5 Vibration generator 4 is here from a power supply 6, which is preceded by a mains transformer 7, with the mains frequency and like all Aggregates of the device according to the invention, the one Need supply voltage with a supply voltage provided.
- the power supply 6 contains a rectifier 8, which on the Two fixed voltage regulators 9, 10 are arranged downstream, one of which has a positive DC voltage and one a negative one DC voltage is generated, as indicated by the signs ⁇ .
- the Power supply unit 6 accordingly has two DC voltage outputs for plus and minus.
- the fixed voltage regulators 9, 10 are useful set to ⁇ 15 V.
- the transmission device 3 together with one of these associated amplifier etc. and the signal generating device 4 are supplied by the power supply 6 with positive and negative voltage. This eliminates the need for a ground connection to these devices, which doubled the power of the operational amplifiers there enables.
- the mains transformer 7 is expediently designed such that its outputs are electrically isolated from the network and accordingly are not earthed.
- the oscillator 5 of the signal generating device 4 contains one Phase comparison 11 and a VCO 12 (voltage-controlled oscillator), which is controlled by the phase comparison 11, that with the mains frequency is acted upon by 100 Hz. This forms the reference frequency for phase comparison 11.
- the VCO 12 generates a stable, high-frequency output signal 14 at 141 kHz. This is what it is about itself, as can be seen from FIG. 2, second line from above by one harmonic vibration.
- This signal becomes a frequency divider 15 driven, which has a division factor of 1/1410 and accordingly a low frequency signal of also 100 Hz generated.
- the phase comparison is carried out with this signal, as indicated by the signal line 16.
- the result of Phase comparison forms a signal for controlling the VCO 12.
- the output of the signal generating device 4 is a modulator 17 upstream, which also with the high-frequency signal 14th is acted on, as indicated by the signal line 18.
- the high-frequency signal 14 is modulated so that damped, as indicated in Figure 2 above Vibration sequences 19 with a large output amplitude and a low-frequency falling exponentially from this Damping result.
- A is used to form the damping envelope the modulator 17 upstream differentiator 20 provided can contain an RC circuit and over which one of one low-frequency vibration signal 21 derived signal becomes.
- the damping is the same in the area of each sequence 19.
- the distance the successive sequences 19 is, however, different. In this way, unfavorable resonance phenomena and Suppress system vibrations.
- the different distance of the sequences 19 is separated by a different distance Impulse 22 specified.
- the low-frequency signal 21 from which the pulses 22 are derived can be generated by a separate oscillator or by a frequency divider derived from the high-frequency signal 14 become.
- the oscillator 5 has next to that Output for the high-frequency signal 14 a second output for the low-frequency signal 21, which has a frequency of 500 Hz can have.
- Signal 21 is an even one oscillating square wave. This is done using a Pulse shaper 24 converted into a needle pulse signal 25, which in a downstream inverter 26 is inverted so that a to signal 25 mirror-image signal 27 with downward directed Results in needles that are connected at the upper level.
- This always even signal 27 is a length variator 28th supplied, which is the same as the downward-pointing needle pulses leaves, but their distance according to an internal program periodically changed so that a signal of the indicated at 29 Kind with downward-pointing needle pulses with different Distance results.
- the length variator 28 can do this with a Counter circuit interacting capacitor circuit exhibit.
- the differentiating element 20 becomes the signal 29 acted upon.
- the change in distance brought about by the length variator 28 the inverted needle pulse is periodic. This applies accordingly also for those formed by differentiation, sawtooth-like pulses 22, whose upward flank 22a, as can be clearly seen from FIG. 2, the beginning of each assigned sequence 19 marked and their exponentially decreasing Edge 22b represents the damping envelope.
- the schematic Representation according to Figure 2 extends a period of Length variator 28 over four sequences 19. By experiment a preferred period length of ten sequences determined.
- the distance between the individual signals can be in one same ratio, e.g. 25%, or like this one constant fixed amount can be changed, i.e. in the manner of a geometric or arithmetic series.
- FIG. 2 further reveals the vibration level of the high frequency Vibration signal 14, ie the center line around which the vibration be carried out in leaps and bounds. For this, the tension changed by leaps and bounds.
- the voltage jump is appropriately ⁇ 11 V.
- the modulator 17 is connected via a further signal line 30 applied with a second low-frequency signal 31, the specifies the clock of the voltage change, as from FIG. 2 is clearly visible.
- the signal 31 can be a Act a square wave with a frequency of 50 Hz. in the The example shown is the signal 31 by a frequency divider 32 generated that with the output of the above Frequency divider 15 is applied.
- the frequency divider 32 works accordingly with the division factor 2.
- an electrically conductive material preferably stainless steel, existing, here as perpendicular to the earth drivable skewer trained conductor 33 provided, optionally can be charged with a plus or minus voltage and in illustrated example of this by means of a switch 34 optionally can be connected to the plus or minus output of the power supply 6.
- a switch 34 optionally can be connected to the plus or minus output of the power supply 6.
- the current flow from minus to plus is, the conductor 33 is still in the case of a positive earth potential higher plus voltage and in the case of a minus earth potential even more negative voltage.
- it works the conductor as the anode, to which anions migrate, in the other case as Cathode to which the cations migrate.
- the switch 34 can be a potential controller be integrated, with the help of which the effective potential in adaptation to the circumstances of the individual case deviating from that of the power supply 6 delivered maximum value of, for example, ⁇ 15 V, is adjustable.
- the setting of the switch 34 and the potential controller in Depending on the measured potential in the wall 1 can done manually.
- a control device 36 is provided, which the above Performs operations automatically.
- the control device 36 is with actual values measured in the area of wall 1 e.g. of the earth potential and the current flow as supplied by the signal lines 37 is indicated. Suitable ones are used to record the actual values Measuring pins 38 used. These are introduced into the wall 1.
- the Measuring pins 38 like the earth spike forming the conductor 33, consist of electrically conductive, rust-free material, expediently not rusting steel.
- control device 37 With the help of the control device 37, the other units, such as the signal generating device 4 and the Transmitter 3 together with an associated amplifier controlled as by unspecified signal lines is indicated. In such a case, they will also be useful other actual values, such as the humidity, the Vibration exposure, etc. added and the Control device 36 supplied.
- the power grid is as Frequency and voltage source used. But it would also be without further conceivable to other voltage sources, for example one To resort to battery and / or a solar cell arrangement etc. In cases of this kind, this would of course have to be due to the network frequency predetermined input signal are generated in a different way, for example by means of a quartz generator. To generate a Plus and minus DC voltage would need suitable means be provided. The version shown with recourse to accordingly, the power grid proves to be preferable Execution.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Drying Of Gases (AREA)
- Drying Of Solid Materials (AREA)
- Air Conditioning Control Device (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
- Figur 1
- ein Blockschaltbild einer erfindungsgemäßen Vorrichtung und
- Figur 2
- ein Spannungs-Zeitdiagramm mit mehreren übereinander gezeichneten Signalverläufen.
Claims (10)
- Verfahren zum Entfeuchten und/oder Entsalzen von Bauwerken (1) durch Beaufschlagung mit im Takt eines ersten niederfrequenten Signals (21) aufeinander folgenden Sequenzen einer hochfrequenten, durch entsprechende Spannungsbeaufschlagung mindestens einer Spule erzeugten, elektromagnetischen Schwingung (2), deren Frequenz im Bereich von 141 kHz liegt und deren Amplitude im Bereich jeder Sequenz vorzugsweise exponentiell abklingt, dadurch gekennzeichnet, dass die Länge der aufeinander folgenden Sequenzen unterschiedlich ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Länge aufeinander folgender Sequenzen periodisch geändert wird, wobei die Periodenlänge mindestens vier, vorzugsweise zehn volle Sequenzen umfasst.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Schwingungsniveau der hochfrequenten Schwingung in vorzugsweise gleichen Abständen geändert wird, wobei der Abstand zwischen zwei Änderungen des Schwingungsniveaus mindestens vier, vorzugsweise zehn volle Sequenzen umfasst.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass das Schwingungsniveau der hochfrequenten Schwingung (2) im Takt eines zweiten niederfrequenten Signals (31) geändert wird, dessen Frequenz vorzugsweise 50 Hz beträgt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Frequenz des ersten niederfrequenten Signals 500 Hz beträgt.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in der Umgebung des Bauwerks (1) eine Potentialsenke bezüglich des im Bauwerk (1) vorhandenen Erdpotentials erzeugt wird.
- Vorrichtung zur Durchführung des Verfahrens nach einem der vorhergehenden Ansprüche, mit einer dem Bauwerk (1) zugeordneten, zumindest eine Spule enthaltenden Sendeeinrichtung (3), die über eine vorzugsweise einen Oszillator (5) enthaltende Signalerzeugungseinrichtung mit einer eine hochfrequente Schwingung ausführenden Spannung beaufschlagbar ist, der mittels eines Modulators (17) aufeinander folgende, gedämpfte Sequenzen (19) aufgeprägt sind, die durch Modulation eines hochfrequenten Signals (14) mit einem niederfrequenten Signal (22) gebildet werden, das durch ein dem Modulator (17) vorgeordnetes, ein Rechtecksignal verarbeitendes Differenzierglied (20) gebildet wird, dadurch gekennzeichnet, dass dem Differenzierglied (20) ein aus einem ersten niederfrequenten Signal (21) Nadelimpulse bildender Pulsformer (24) zugeordnet ist, dem ein Inverter (26) nachgeordnet ist, der einen Längenvariator (28) beaufschlagt, der den Abstand der invertierten Signale (27) nach einem internen Programm periodisch ändert und das Differenzierglied (20) beaufschlagt.
- Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, dass der Modulator (17) mit einem weiteren niederfrequenten Signal (31) beaufschlagbar ist, durch das die Ausgangsspannung taktweise um vorzugsweise ± 11 V verschiebbar ist, und dass das zweite niederfrequente, dem Modulator (17) zugeführte Signal (31) mittels eines dem Modulator (17) vorgeordneten Frequenzteilers (32) erzeugbar ist, wobei der dem Modulator (17) vorgeordnete Frequenzteiler (32) vorzugsweise mittels eines ihm vorgeordneten, weiteren Frequenzteilers (15), der mit dem hochfrequenten Signal (14) beaufschlagbar ist, mit einem von diesem abgeleiteten, niederfrequenten Signal beaufschlag ist.
- Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass bei Verwendung eines Oszillators (5) dieser zwei Ausgänge für das hochfrequente Signal (14) und für das erste niederfrequene, dem Pulsformer (24) zugeordnete Signal (21) aufweist.
- Vorrichtung nach einem der vorhergehenden Ansprüche 7 bis 9, dadurch gekennzeichnet, dass der Signalerzeugungseinrichtung (4) ein Netzteil (6) mit vorgeordnetem Netztrafo (7) zugeordnet ist, wobei das Netzteil (6) zwei Gleichstromausgänge für Plus und Minus aufweist, über welche die Signalerzeugungseinrichtung (4) und die Sendeeinrichtung (3) mit Plus- und Minus-Spannung versorgbar sind und die wahlweise zur Bildung einer Potentialsenke gegenüber dem im Bauwerk (1) vorhandenen Potential mit einem zumindest in der Nähe des Bauwerks (1) in die Erde einbringbaren Leiter (33) verbindbar sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI9930495T SI0928855T1 (en) | 1998-01-09 | 1999-01-05 | Device for drying and/or desalting of buildings |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19800596 | 1998-01-09 | ||
DE19800596A DE19800596A1 (de) | 1998-01-09 | 1998-01-09 | Verfahren und Vorrichtung zum Entfeuchten und/oder Entsalzen von Bauwerken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0928855A1 true EP0928855A1 (de) | 1999-07-14 |
EP0928855B1 EP0928855B1 (de) | 2003-10-08 |
Family
ID=7854245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99100060A Expired - Lifetime EP0928855B1 (de) | 1998-01-09 | 1999-01-05 | Verfahren und Vorrrichtung zum Entfeuchten und/oder Entsalzen von Bauwerken |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0928855B1 (de) |
AT (1) | ATE251699T1 (de) |
DE (2) | DE19800596A1 (de) |
ES (1) | ES2209248T3 (de) |
SI (1) | SI0928855T1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1791137A1 (de) | 2005-11-23 | 2007-05-30 | Schwille-Elektronik Produktions- und Vertriebs Gmb | Vorrichtung und Verfahren zum Beeinflussen von kapillaren Flußvorgängen |
EP2354349B1 (de) * | 2010-01-25 | 2017-11-22 | Helmholtz-Zentrum für Umweltforschung GmbH-UFZ | Vorrichtung zur Trocknung und Dekontamination von Mauerwerk, Beton, Holz und anderen Feststoffen |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL3204564T3 (pl) | 2014-10-08 | 2020-03-31 | Tecnova Group S.R.L. | System osuszania ścian |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401519A1 (de) * | 1989-06-09 | 1990-12-12 | John B. Miller | Verfahren zur elektrochemischen Behandlung von porösen Baumaterialien, insbesondere für das Trocknen und die Realkalisation |
EP0736639A1 (de) | 1995-03-10 | 1996-10-09 | Hildegard Berger | Vorrichtung zur Entfeuchtung von Mauerwerk |
-
1998
- 1998-01-09 DE DE19800596A patent/DE19800596A1/de not_active Withdrawn
-
1999
- 1999-01-05 DE DE59907240T patent/DE59907240D1/de not_active Expired - Lifetime
- 1999-01-05 EP EP99100060A patent/EP0928855B1/de not_active Expired - Lifetime
- 1999-01-05 ES ES99100060T patent/ES2209248T3/es not_active Expired - Lifetime
- 1999-01-05 AT AT99100060T patent/ATE251699T1/de active
- 1999-01-05 SI SI9930495T patent/SI0928855T1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401519A1 (de) * | 1989-06-09 | 1990-12-12 | John B. Miller | Verfahren zur elektrochemischen Behandlung von porösen Baumaterialien, insbesondere für das Trocknen und die Realkalisation |
EP0736639A1 (de) | 1995-03-10 | 1996-10-09 | Hildegard Berger | Vorrichtung zur Entfeuchtung von Mauerwerk |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1791137A1 (de) | 2005-11-23 | 2007-05-30 | Schwille-Elektronik Produktions- und Vertriebs Gmb | Vorrichtung und Verfahren zum Beeinflussen von kapillaren Flußvorgängen |
EP2354349B1 (de) * | 2010-01-25 | 2017-11-22 | Helmholtz-Zentrum für Umweltforschung GmbH-UFZ | Vorrichtung zur Trocknung und Dekontamination von Mauerwerk, Beton, Holz und anderen Feststoffen |
EP3287569A1 (de) * | 2010-01-25 | 2018-02-28 | Helmholtz-Zentrum für Umweltforschung GmbH-UFZ | Vorrichtung zur trocknung und dekontamination von mauerwerk, beton, holz und anderen feststoffen |
Also Published As
Publication number | Publication date |
---|---|
SI0928855T1 (en) | 2004-04-30 |
DE59907240D1 (de) | 2003-11-13 |
ES2209248T3 (es) | 2004-06-16 |
DE19800596A1 (de) | 1999-07-22 |
EP0928855B1 (de) | 2003-10-08 |
ATE251699T1 (de) | 2003-10-15 |
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