WO1999067009A1 - Dispositif commandant le mouvement de la vapeur - Google Patents
Dispositif commandant le mouvement de la vapeur Download PDFInfo
- Publication number
- WO1999067009A1 WO1999067009A1 PCT/JP1999/003382 JP9903382W WO9967009A1 WO 1999067009 A1 WO1999067009 A1 WO 1999067009A1 JP 9903382 W JP9903382 W JP 9903382W WO 9967009 A1 WO9967009 A1 WO 9967009A1
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- WIPO (PCT)
- Prior art keywords
- space
- moisture
- water vapor
- permeable membrane
- moisture permeable
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F6/00—Air-humidification, e.g. cooling by humidification
- F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
- F24F6/08—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements
- F24F6/10—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using heated wet elements heated electrically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/1435—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification comprising semi-permeable membrane
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0042—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater characterised by the application of thermo-electric units or the Peltier effect
Definitions
- the present invention is a steam movement control device for creating a direction in the movement of steam between two spaces having different humidity.
- This device can be used to remove water vapor and moisture from equipment installed outdoors, enclosed spaces inside a west body that is likely to be humid when placed outdoors or indoors, or inside rooms where humans live. It can be used as a dehumidifier to discharge to the outside, and it can be used as a water vapor transfer control device or dehumidifier that can be operated with small power and small power for equipment, face panels, and small rooms. Further, this device can be used as a steam movement control device, a humidifying device or a drying prevention device that takes in water vapor from the outside and keeps it in a high humidity state to prevent drying. Background art
- an electric dehumidifying air-conditioning apparatus in which air is sucked, cooled by an evaporator, dew condensed, water is separated, and the condenser is immediately cooled.
- a method of chemically dehumidifying a small space such as a case box using a moisture absorbent.
- the electric dehumidifying air conditioner requires a fan or a pump for sucking and cooling the air containing moisture, so that the size of the device is increased and the manufacturing cost is increased.
- the fan or the pump must be operated in order to maintain the space in a dehumidified and dry state, so that the operating cost is increased.
- the chemical dehumidification method using a moisture absorbent the amount of moisture absorbed is limited, and replacement and regeneration of the moisture absorbent are required, which also increases costs.
- An object of the present invention is to solve the above-mentioned problems of the prior art, and to maintain the movement of water vapor between two spaces having different humidities in one direction for a long time with very small electric power. It is an object of the present invention to provide a water vapor transfer control device which can dehumidify or humidify one of the spaces, thereby reducing the operation cost as much as possible. Disclosure of the invention
- a water vapor transfer control device for moving water vapor from a first space containing water vapor in air to a second space different from the first space, the first space and the second space
- a heat-insulated passage communicating with the second space to which the water vapor in the one space moves, a plurality of waterproof and breathable moisture-permeable films provided in the passage, and formed in the passage by the moisture-permeable film
- a plurality of small chambers a Peltier element for providing a temperature gradient so that the temperature of the air in the small chamber is always low according to the second space side, and a moisture-permeable membrane of the small chamber heated and cooled by the Peltier element.
- a conductive porous body disposed and arranged, and
- the moisture-permeable film has a water-repellent surface on one surface, and is disposed such that the water-repellent surface is on the second space side in the passage, and an intermediate one of the plurality of moisture-permeable films is substantially conical.
- the plurality of small chambers include at least one or more small chambers surrounded by a substantially conical moisture-permeable membrane and having a substantially conical space, and a heating surface or a cooling surface of the Peltier element is
- the conductive porous body is thermally connected to the moisture permeable membrane via a heat conductor, and the parameter (moisture permeability) X (air permeability) of the plurality of moisture permeable membranes is equal to the moisture permeable membrane on the second space side.
- a water vapor transfer control device for moving the water vapor in the first space to the second space so as to be as small as possible.
- the water vapor movement control device for moving water vapor to a second space having a small temperature fluctuation speed of air different from the first space, the first space; and a second space to which water vapor in the first space moves.
- the moisture-permeable film has a water-repellent surface on one surface, and is disposed such that the water-repellent surface is on the second space side in the passage, and an intermediate one of the plurality of moisture-permeable films is substantially conical.
- the plurality of small chambers includes at least one or more small chambers surrounded by a substantially conical moisture-permeable membrane and having a substantially conical space, and a heating surface or a cooling surface of the Berch two element. Is thermally connected to the conductive porous body via a heat conductor, and the parameter (moisture permeability) X (permeability) of the plurality of moisture permeable films is the moisture permeable film on the second space side.
- a water vapor transfer control device for moving the water vapor in the first space to the second space so as to be larger is provided.
- the first space surrounded by a metal box containing water vapor in the air and having a large temperature fluctuation rate of the air is supplied to a different air from the first space.
- a passage a plurality of moisture-permeable membranes provided in the passage and having a waterproof property and a gas permeability; a plurality of small chambers formed in the passage by the moisture-permeable membrane; A Peltier element for providing a temperature gradient so that the temperature is always low in accordance with the space side, and the Peltier element is heated and cooled.
- a conductive porous body disposed close to the moisture permeable membrane of the chamber to be cooled and grounded,
- the moisture-permeable film has a water-repellent surface on one surface, and is disposed such that the water-repellent surface is on the second space side in the passage, and an intermediate one of the plurality of moisture-permeable films is substantially conical.
- the plurality of small chambers include at least one or more small chambers surrounded by a substantially conical moisture-permeable membrane and having a substantially conical space, and a heating surface or a cooling surface of the Peltier element is
- the conductive porous body is thermally connected to the moisture permeable membrane via a heat conductor, and the parameter (moisture permeability) X (air permeability) of the plurality of moisture permeable membranes is equal to the moisture permeable membrane on the second space side.
- a water vapor transfer control device for moving the water vapor in the second space to the first space so as to be as small as possible.
- a substantially conical moisture-permeable membrane is formed such that a small substantially conical moisture-permeable membrane is formed in a substantially conical small chamber space so as to be inserted in the opposite direction.
- a plurality of small chambers are formed in an annular shape, and a Berch X element can be provided at the center of the moisture-permeable membrane, which is a bottom surface of a substantially cone.
- the substantially conical top in which the Peltier element is inserted at the center of the moisture-permeable membrane is cooled and heated.
- the first space can be used as the space inside the box installed in the outdoor atmosphere
- the second space can be used as the air, so that the water vapor inside the equipment box can be discharged to the atmosphere.
- the first space may be the atmosphere
- the second space may be the space inside the box placed in the atmosphere, and the water vapor in the atmosphere may be moved to the box space.
- air permeability in this specification is defined by JIS.
- the first and second spaces having different temperature and humidity environments are connected to each other by a passage.
- the outer periphery of the passage is insulated, and the internal condition inside the passage is not affected by the temperature of the uncontrollable space of the outer periphery of the passage. I'm trying.
- a plurality of moisture permeable membranes are provided in the passage, at least one of which is a substantially conical moisture permeable membrane, and two or more small chambers are provided in the passage. At least one space of the small room is a substantially conical space.
- the value of (moisture permeability) X (permeability) of each moisture permeable membrane is set as a parameter.
- the difference in the value of the parameter causes a difference in the water vapor transmission rate, and the fact that the movement of the water vapor from the larger value to the smaller value of the parameter is facilitated.
- the water vapor basically tries to move in the direction of lower humidity through the passage, but the value of the above parameter of the moisture permeable membrane becomes smaller In this way, the movement of water vapor is determined by the water vapor transmission rate (product (moisture permeability) X
- the temperature inside a metal box installed outdoors is large due to the effect of wind.For example, the temperature fluctuates up and down more than 15 ° C to 20 ° C, and is 15 ° C to 30 °. Since the value of the above parameter of the moisture permeable membrane is regarded as the air side, and the value of the above parameter over time is regarded as the case side, the water vapor in the case is strong in the direction of discharge. Work and dehumidify the inside of the box. In the case of a plastic box having high heat insulation and a low rate of fluctuation of the internal temperature, a moisture-permeable membrane having a low value of the above parameter is placed on the air side.
- the reason why a plurality of small chambers are provided in the passage is that, by partitioning into small spaces of the small chambers, the temperature and pressure conditions of the partitioned space can be easily adjusted to a state necessary for controlling the movement of water vapor.
- the purpose is to increase the sensitivity of water vapor transfer due to the difference in temperature and pressure between the two spaces.
- by forming a compartment in a small chamber it is possible to increase the temperature difference by heating and cooling with a small Peltier element.
- Peltier temperature between chambers The temperature difference is a temperature difference that hardly causes condensation, for example, about 2 to 5 ° C.
- the surface on the second space side of the moisture permeable membrane has water repellency.
- moisture condensed on the water-repellent surface moves away into the second space side and is prevented from entering the first space side via the moisture-permeable film.
- dew condensation on the water-repellent surface has an advantageous effect of preventing reverse movement of water vapor.
- the dew condensation on the water-repellent surface is released, it takes away heat of vaporization, cools the small chamber below the water-repellent surface, increases the temperature difference, and enhances the directionality of water vapor. In particular, it works in the direction to control the movement of water vapor from the lower chamber to the upper chamber.
- the water-repellent surface is relatively negatively charged, so that NaCl of NaCl can be attached to prevent NaCl invasion, which is effective for reducing salt damage.
- Grounding by providing conductive porous bodies separated from each other on the upper and lower sides of the moisture permeable membrane is due to the moisturizing derivative that forms the outer wall of the small chamber, that is, the path wall of the passage, affects the moving speed of water vapor. Is to prevent giving.
- the conductive porous body suppresses the electrification of the moisture-permeable film, thereby preventing the moisture-permeable film from lowering in moisture-permeable ability. This prevents abnormal charging when the movement of water vapor is large.
- the conductive porous body easily causes convection when the movement of water vapor is small. Further, the conductive porous body becomes a good conductor for heat transfer of heat generation or cooling of the Peltier element, and facilitates temperature control of the small chamber.
- One of the adjacent small chambers is heated by the Peltu element through the conductive porous body, and the other small chamber is cooled through the conductive porous body to form a temperature difference (temperature gradient) between the small chambers.
- Water vapor moves to lower temperature and pressure. Therefore, it is possible to enhance the direction of water vapor transfer depending on the temperature.
- temperature control of the chamber and the porous body controls the dew point and ensures the direction of water vapor movement.
- the conductive porous body of the moisture permeable membrane prevents the electrification of water vapor, and prevents the direction of movement of water vapor from being disturbed by static electricity caused by the dielectric of the moisture permeable membrane and the path wall of the passage. Can be smoothly moved to the other space.
- An auxiliary measure to satisfy this relationship is the combination of the surface area of the chamber.
- the formation of a substantially conical or truncated conical chamber may be applied.
- heat transfer is performed in proportion to the length, and the length is used as a variable.
- the temperature gradient of the target portion can be adjusted.
- the moisture permeable membrane As for the area, by forming the moisture permeable membrane in a substantially conical shape, a larger area is secured compared to the arrangement of the moisture permeable membrane provided so as to cross perpendicularly to the passage, and therefore, it is movable. Dramatically the amount of water vapor To rise. Also, as the surface area increases, the loss energy released from the surface due to radiation or heat of vaporization increases in proportion to the surface area.
- the thermal resistance increases, so that the heat transfer speed in the axial direction decreases.
- the increase in the length increases the surface area and increases the heat. Since the loss increases, the relationship between heat transfer and heat loss differs between the case of a cylindrical body and the case of a cone. Since the rate of increase of the surface area in the longitudinal direction of a cone is smaller than that of a cylinder, the inverse of this relationship is that the rate of conduction velocity loss per unit is smaller for a cone than for a cylinder.
- the minimum value of the surface area is obtained when the diameter of the cylinder is equal to the height, and when the height of the cone is 1.73 times the square root of the diameter of 3. (See Figure 23).
- a device configuration that satisfies the relationship between length and surface area may be used.
- the moisture permeable membrane that divides the small chamber into a substantially conical shape, and further combining large and small moisture permeable membranes in a nested manner, it is possible to form a small chamber in the compact, and it becomes a conical small chamber space, and the surface area to volume By increasing the size, heat loss is reduced and the direction of water vapor transfer is efficiently improved.
- the moisture permeable membrane will be described in more detail.
- Fig. 14 is a diagram of the product of moisture permeability and air permeability (moisture permeability) X (air permeability) converted to dew point. This indicates the comparative temperature when the inside of the porous material inside the moisture permeable membrane part is physically saturated or reaches the dew point.
- the comparative dew point temperature difference corresponding to the horizontal axis showing the first moisture permeable membrane, the second moisture permeable membrane, and the third moisture permeable membrane is shown on the case side from the left side of the figure.
- FIG.14 the air permeability is measured according to JIS-P-8117. This is a plot made from the sample, and it seems that a certain amount of air passes through the part sandwiching the specimen, especially in the air permeability measurement from the nonwoven fabric side to the water-repellent surface due to air leakage. . This is air leakage due to the three-dimensional irregularities of the nonwoven fabric.
- Figures 24 to 27 are graphs created based on the results of measurements performed with sealing to prevent air leakage.
- FIGS. 24 to 27 show the characteristics of the permeable membrane prepared based on the measurement results at 65% RH and 20 ° C.
- Figure 25 shows the values of the product (moisture permeability) X (permeability) at 65% RH and 20 ° C in each moisture permeable membrane converted to a virtual dew point from the above-mentioned dew point calculation formula. The values are shown, and the comparison is made based on the heat capacity in consideration of the heat transfer characteristics of steam.
- Figure 26 shows the value of (moisture permeability) / (air permeability).
- the unit is (100 cc-g) / (m 2 -sec 2 ), which is the quantity to compare the permeation acceleration of water vapor per unit area.
- Figure 27 shows the value obtained by converting the value of (moisture permeability) / (air permeability) of each moisture permeable membrane into a virtual dew point from the above-mentioned formula for calculating the dew point, taking into account the heat transfer characteristics of water vapor. A comparison is made based on the heat capacities obtained.
- This figure can be plotted at the enthalpy, or at the position corresponding to the temperature difference between the compartments in the steam mass (steam saturated vapor pressure curve).
- the water vapor mass curve is considered as a carrier of heat energy, it can be considered that it can be replaced by enthalpy. Between each small room, or each space (a container that is a dehumidifying or humidifying space, or a matter that can be converted into the amount of heat energy by the mass of water vapor on the outside air side) This has important significance in capacity conversion.
- the permeation amount of the water vapor is basically governed by the capacity of the moisture permeable membrane in the small chamber formed by each moisture permeable membrane.
- the pressure difference caused by the temperature difference can be calculated at a specific temperature depending on the mass of water vapor at each part, given that the figures above are converted at 20 ° C and 40 ° C, respectively. Expressed as heat energy gap.
- Fig. 15 is a schematic plot of enthalpy and vapor pressure curves as shown in Fig. 15.
- the outside air side or the space to be dehumidified or humidified is indicated by AU1 to AU4, respectively.
- the inherent separation ability of the moisture permeable membrane itself is expressed as aZ (g-h) x l00 (%).
- process af seems to be acting to prevent the temperature difference of the dew point from being too large to prevent a sudden inflow from the outside air.
- f is determined to have a buffering effect to facilitate the transfer of mass to be dehumidified or humidified.
- the energy moves in order to stabilize from a high energy state to a low energy state and stops when it reaches an equilibrium state, so the direction of energy movement is defined at each virtual point (AU to h). . That is, the energy moves from a high direction to a low direction, and is defined as follows.
- AU 1 ⁇ a ⁇ AU 2; AU 3 ⁇ g; (AU 3 to AU 4) ⁇ g ⁇ h ⁇ f; h ⁇ AU 4
- an electric heating coil or heater is used as the heating means, the ability to move from a warm direction to a cold direction naturally is inferior to that of a Peltier element.
- a material with high heat absorption capacity as a cooling body, in other words, a material with high thermal conductivity, for example, a metal material such as aluminum (including aluminum alloy) and copper (including copper alloy). In this case, it is necessary to provide a fin shape that increases the heat radiation area.
- the above-mentioned means is a theory derived from the amount of heat energy possessed by the water vapor when considering the discharge from the outside air and the backflow phenomenon based on the analysis results of the basic form model of this device.
- each block is water vapor
- Each is recognized as thermal energy. That is, since the energy transfer moves from the high direction to the low direction, it gradually moves (moves) from the inside of the box to the outside air side on the block diagram.
- a moisture-permeable membrane is used for the direction of dehumidification.
- the following conditions are required for the function. In the case of the first space where the temperature fluctuation is smaller than that of the second space, the movement in the direction of the first space occurs from the side of the second space, so the movement first moves from the small room in the second space to the small room in the first space. .
- the moisture permeability is high from the first space to the second space.
- Water vapor tends to move toward the outside air due to the difference in expansion speed, and diffuses at a speed dependent on the difference in moisture permeability between the moisture permeable membrane 3 and the moisture permeable membranes 2 and 1. From the first space to the second space, the water vapor moves from the first chamber to the outer chamber and to the inner chamber until the diffusion velocity and the diffusion energy are balanced.
- the first space has a cooling or heating rate significantly greater than outside air, For example, in the case of a space inside a metal box, the amount of energy transferred due to moisture permeation is smaller than the amount of energy dropped by adiabatic cooling. Then, due to the transfer of the heat energy to the condensed moisture due to the condensation, the change in the moisture permeability due to the difference in the probability of the moisture permeability set from the box side to the outside air in the second space reduces the heat energy associated with the movement of the water vapor due to the difference in the moisture permeability. The difference greatly due to the suction (due to cooling) on the box side acts as humidification into the box, and the evaluation is the same as that for dehumidification.
- the amount of heat energy that is significantly larger than the amount of transferred heat energy due to the movement of water vapor, that is, the amount of water vapor passing through the moisture permeable membrane is large.
- the transfer of water vapor is likely to move to the container side due to the thermal energy due to adiabatic compression because the difference in probability is large (Fig. 11).
- the setting conditions must be changed between when the heat energy is constantly driven by the Peltier element and when only the daytime is driven.
- FIGS. 21A to 21A a metal box and a plastic box installed outdoors which function as the water vapor transfer control device of the present invention, and the parameters of the moisture permeable membrane (permeable) It shows the relationship between humidity and X (air permeability).
- FIG. 21A shows an example of a fail-safe arrangement in which the size of the moisture permeable membrane is large and small even when the Peltier device does not operate.
- FIGS. 22A to 22C show a metal box, a plastic box, and a moisture permeability when the water vapor transfer control device of the present invention is used as a humidifier for moving water vapor into the case.
- a theory showing the magnitude of the membrane parameter (moisture permeability) X (air permeability) and the condition of how to apply the temperature gradient by the Peltier element. If the force shown in the figure is basically set to the opposite of the water vapor transfer direction shown in FIGS. 22A to 22C, it will function as dehumidification to humidification of the box.
- a case a having only a single moisture permeable membrane in the passage a case b having two single moisture permeable membranes in the passage to form a single small chamber, Separate from Case c, which has three or more single moisture-permeable membranes and multiple chambers, and clarify the difference in the following effects o
- the innermost moisture permeable membrane is affected by the temperature of the space to be installed and the inner small chamber
- the outermost moisture permeable membrane is affected by the temperature relationship of the outer small chamber and the outside air.
- the central permeable membrane it is maintained by the inner or outer small chamber or passage structure (mesh for supporting the permeable membrane, porous body set in the passageway, small chamber wall, etc.) or moisture permeable membrane.
- the inner or outer small chamber or passage structure mesh for supporting the permeable membrane, porous body set in the passageway, small chamber wall, etc.
- moisture permeable membrane Depending on the surface temperature of the structure and the surface temperature of the moisture permeable membrane due to the fluctuation characteristics of the water vapor inside the small chamber, storage or reduction or adjustment of the calorific value is easily performed.
- Case a Case b Case C Single moisture permeable membrane
- Single cell Multiple cells
- Case a Case b Case c Single moisture permeable membrane
- Single chamber Multiple chambers
- Possibility of reduction Impossible Set temperature conditions Set temperature conditions or reduce as much as possible Possible as much as possible ⁇ Easy to obtain stable effect
- Case a Case b Case c Single moisture permeable membrane
- Single cell Multiple cells
- Humidity transfer speed Inside / outside temperature: Set arbitrarily Set depending on temperature characteristics Easy to adjust It is possible to obtain large fluctuations
- the members that form the passages are made of vinyl chloride, PVC, PE, or PET plastic resin, and have a laminated structure. Composite materials are preferred because they have excellent heat insulation properties and can reduce the thermal effect through the passage wall.
- the conductive porous body is preferably mesh # 34 x 32, such as copper mesh, stainless mesh, platinum mesh, metal plating, and metal-deposited plastic. It has good electrical conductivity and good thermal conductivity, and is separated from the moisture-permeable membrane within 1 millimeter.
- the Berch X element and the conductive porous body are covered with an insulating film (dielectric) such as a polyethylene film on both the cooling and heating surfaces of the conductive porous body and both electrodes.
- the power consumption of the Peltier device varies depending on the size of the cell, but it can be as low as about 0.5 W or less, and sufficient power can be supplied by solar cells. It is practical to use a polyolefin-based or nylon-based nonwoven fabric as the moisture-permeable membrane, and to use a porous membrane on the back surface.
- the inner surface of the small chamber is a metal plating or a metal film is coated by metal deposition or the like to form an electric path for grounding.
- the metal film on the inner surface also serves to prevent charging of the inner surface of the small chamber, and prevents the movement of water vapor from being reduced due to charging. At the same time, temperature fluctuations on the surface of the small room will be made faster.
- the surface of the passage wall, the moisture permeable membrane, and other members of the present invention is preferably subjected to fungicide and antibacterial treatment in order to prevent mold and bacteria from growing and changing the surface properties.
- antifungal and antibacterial methods include surface treatment with copper or silver ions, application of antifungal antibacterial agents such as oligodamine, ethylene glycol, and benzalkonium chloride. Can be used. BRIEF DESCRIPTION OF THE FIGURES
- FIG. 1 is an explanatory diagram showing a use state of the steam movement control device according to the embodiment of the present invention.
- FIG. 2 is a longitudinal sectional view of the water vapor transfer control device according to the embodiment of the present invention.
- FIG. 3 is an enlarged sectional view taken along line AA of FIG.
- FIG. 4 is an enlarged sectional view taken along line BB of FIG.
- FIG. 5 is an enlarged sectional view taken along the line C-C of FIG.
- FIG. 6 is an enlarged sectional view taken along the line DD of FIG.
- FIG. 7 is an enlarged sectional view taken along line EE of FIG.
- FIG. 8 is an explanatory view showing an attached state of the Peltier element of the first moisture-permeable film in FIG.
- FIG. 9 is a front view showing the conical supporting frame of the moisture permeable membrane according to the embodiment of the present invention.
- FIG. 10 is a drive circuit diagram for a Peltier device according to an embodiment of the present invention. Deme
- FIG. 11 is a schematic diagram showing each value of a parameter (moisture permeability) X (air permeability) of three moisture-permeable films according to the embodiment of the present invention.
- FIG. 12A is a cross-sectional view showing an example of the moisture-permeable film according to the present invention.
- FIG. 12B is a cross-sectional view showing another example of the moisture-permeable film according to the present invention.
- FIG. 12C is a sectional view showing another example of the moisture-permeable film according to the present invention.
- FIG. 13 is a view showing a conductive porous body and a Peltier device of the first moisture-permeable film according to the embodiment of the present invention.
- FIG. 14 is a dew point conversion diagram of the parameter (moisture permeability) X (air permeability) of the present invention.
- FIG. 15 is an operation explanatory diagram according to the embodiment of the present invention.
- FIG. 16 is a model explanatory diagram showing the movement of water vapor depending on the difference of the parameter (moisture permeability) X (air permeability) of the moisture permeable membrane according to the embodiment of the present invention.
- FIG. 17 is an explanatory diagram of a transition model from the inside of the container to the equilibrium state from the outside air side when the outside air side is lower than the face body according to the embodiment of the present invention.
- Figure 18 is an explanatory diagram showing the moisture permeability, air permeability, parameter (moisture permeability) X (air permeability) of the moisture permeable membrane, the ease of inflow of water vapor, and the adiabatic cooling tendency in the plastic box.
- Figure 19 is an explanatory diagram showing the moisture permeability, air permeability, parameter (moisture permeability) X (air permeability) of the moisture permeable membrane, the ease of inflow of water vapor, and the adiabatic cooling tendency in a metal box.
- Fig. 20 is an explanatory diagram showing the moisture permeability, air permeability, parameter (moisture permeability) X (air permeability) of the moisture permeable membrane, the ease of inflow of water vapor, and the adiabatic cooling tendency in a metal box.
- FIG. 21A is an explanatory diagram showing an arrangement of moisture permeable membranes when the water vapor transfer control device according to the present invention is used as a dehumidifier.
- Fig. 21B shows the water vapor transfer control device according to the present invention used as a dehumidifier. It is explanatory drawing which shows arrangement
- FIG. 21C is an explanatory diagram showing the arrangement of the moisture permeable membranes when the water vapor transfer control device according to the present invention is used as a dehumidifier.
- FIG. 22A is an explanatory diagram of conditions when the water vapor transfer control device of the present invention is used as a humidifier.
- FIG. 22B is an explanatory diagram of conditions when the water vapor transfer control device of the present invention is used as a humidifier.
- FIG. 22C is an explanatory diagram of conditions when the water vapor transfer control device of the present invention is used as a humidifier.
- FIG. 23 is an explanatory diagram showing the relationship between surface area and volume in the shape of a cone and a cylinder.
- Figure 24 is a plot of the parameters (moisture permeability) X (permeability) of each moisture permeable membrane at 65% RH and 20 ° C.
- Figure 25 shows the integration of the measurement results of the parameters (permeability S) x (permeability) at 65% RH and 20 ° C for each moisture permeable membrane in the dew point calculation formula described above.
- FIG. 4 is a plot of the results obtained with each moisture permeable membrane.
- Figure 26 is a plot of each moisture permeable membrane with (moisture permeability) / (air permeability) measured at 65% RH.20 ° C.
- Figure 27 shows the results obtained by substituting the results of dividing the measurement results of (moisture permeability) / (air permeability) at 65% RH and 20 ° C for each moisture permeable membrane into the dew point calculation formula. It is a plot diagram plotted with a wet film.
- FIG. 28 is an explanatory diagram showing another embodiment of the present invention.
- FIG. 29A is an explanatory view showing another example of the formation of the substantially conical small chamber by the substantially conical moisture-permeable membrane of the present invention.
- FIG. 29B is an explanatory view showing another example of the formation of the substantially conical small chamber using the substantially conical moisture-permeable membrane of the present invention.
- Fig. 29C shows the formation of a substantially conical chamber by the substantially conical moisture-permeable membrane of the present invention. It is explanatory drawing which shows another example. BEST MODE FOR CARRYING OUT THE INVENTION
- the present embodiment is used as a water vapor transfer control device in an electric equipment storage box installed outdoors, a space having a high temperature fluctuation speed in a metal box is defined as a first space, and the atmosphere is defined as a second space.
- a double-layered moisture-permeable membrane is provided in a substantially conical shape, with the upper surface of the cone serving as an upper vent for the first space and the lower surface of the cylinder.
- the lower ventilation port with the atmosphere in the two spaces is provided, a moisture permeable film is provided also in each ventilation port, and a Peltier element is provided in the center of the moisture permeable film in the upper ventilation port.
- 1 is a metal box with an internal volume of 12.5 liters
- 1a is the first space in the box 1
- lb is the bottom of the box 1
- 1c is the lower ventilation opening to the bottom.
- 1 d is the electrical equipment housed in the metal box 1
- 2 is the atmosphere that is the second space of the other
- 3 is the passage
- 3 a is the insulated PVC inner cylinder that forms the passage 3
- 3b is a heat-insulated outer cylinder made of PVC
- 3c is a threaded portion with a small contact area
- 3d is an aluminum frame that serves as a heat insulator or heat absorber provided at the upper end of the heat-insulated outer cylinder 3a.
- e is a metal heat absorber
- 4 is a first moisture permeable membrane
- 5 is a second moisture permeable membrane
- 6 is a third moisture permeable membrane
- 7 is a fourth moisture permeable membrane
- 8 is a fifth moisture permeable membrane
- 9 is a permeable membrane.
- 10 is a 0.5-watt Peltier element
- 10a is a heating surface of the Peltier element 10
- a heat transfer body of an electrical insulator for thermally connecting the conductive porous body 9 to the heat transfer member 10 b is an aluminum alloy for thermally connecting the cooling surface of the Peltier element 10 to the second moisture permeable membrane 5.
- 1 and 1 2 are water-repellent treated PVC dust-resistant insect nets
- 1 3 is a solar cell for the belch element 10 wrapped around the outer circumference of the heat-insulated outer cylinder 3a
- 1 4 is made of aluminum wire 14a
- 15 is a power supply circuit of the Peltier element 10, While charging the battery of the power supply of No. 3, the required voltage is supplied to the Peltier element 10 at a predetermined voltage for the required time.
- reference numeral 201 denotes a PE porous membrane serving as a water-repellent surface of the moisture-permeable membrane 4
- 202 denotes a special porous membrane
- 203 denotes a nonwoven nonwoven fabric
- 204 is a porous PE film that serves as a water-repellent surface for the moisture permeable films 5 and 6
- 205 is a special porous film of a moisture permeable film
- 206 is a polyolefin nonwoven fabric
- 207 is a permeable nonwoven fabric.
- 208 is a special porous film
- 209 is a polyolefin-based nonwoven fabric.
- Fig. 10 is a circuit diagram for operating the Peltier element 10.
- the electromotive force of the solar cell 13 is charged to the battery 15b by the charging circuit 15a, and the daytime is supplied only by the timer device 15c. Or all day running o
- the threaded portion of this embodiment is waterproof-sealed on a part thereof and a surface portion thereof to prevent water leakage and airtightness.
- a material having a high dielectric property such as ethylene tetrafluoride may be used partially or entirely on the water-repellent surface side.
- a non-woven fabric made of carbon fiber or highly conductive metal fiber is used as the non-woven fabric to remove static electricity from the moisture-permeable membrane or promote heat transfer (transmission between the non-woven fabric side and the water-repellent surface side). You may.
- the values of moisture permeability, air permeability, parameter (moisture permeability) X (air permeability) and maximum pore diameter of the moisture permeable membranes 4, 5, 6, 7, and 8 used in this example are as follows. . ⁇ / ff. La — Evening * vi. Large hole J diameter whistle 1 ⁇ ⁇ 4 ⁇ ⁇ 18000 4500000 1.0 / m whistle 2 ⁇ ⁇ 5 2000 1000 2000000 1.5 m whistle 1.5 / m 4th moisture permeable membrane ⁇ 4600 350 1610000 2.0 ⁇ 5th moisture permeable membrane 8 4600 350 1610000 2.0 m
- the test method was JIS-L1099 and JIS-P811 gas permeation method.
- Figure 1 shows the relationship between the values of the parameters (moisture permeability) X (permeability) of these three types of moisture permeable membranes.
- the arrangement of 1 2 ⁇ 3 4 ⁇ 5 with the moisture permeable membrane is an example of the reverse arrangement.
- the water vapor in the box 1 has a large or small humidity and the first and second moisture permeable membranes 4 5 6 7 Parameter 8 (moisture permeability) X (permeability), the water-repellent surface of the PE porous membrane that is the water-repellent surface, the heating of the small chamber 20 by the Peltier element 10, and the temperature gradient caused by the cooling of the small chamber 22 Due to the direction of the movement of water vapor, the water vapor moves from the inside 1a of the housing 1 to the atmosphere 2, and the humidity in the space 1a of the housing 1 is reduced and dried.
- the temperature gradient suppresses the movement of water vapor into the space 1 a of the case 1 so that the presence of 2 0 4 2 0 7 and the Peltier element 10 will make the case side hot and the atmosphere side cool.
- Both the heating surface and the cooling surface of the Peltier element 10 are connected to the conductive porous body 9 by a polyethylene film while maintaining good heat conduction and electrical insulation.
- the conductive porous body 9 is made of a copper mesh, and the heat transfer end of the vertice element 10 and the small chamber 20 are made substantially equal in the heat transfer distance of the mesh, so that the small chamber wall and the conductive porous body are uniformly formed. 9 was heated to quickly bring the temperature of the compartment 20 to a uniform temperature, and a temperature gradient was maintained between the compartments 20, 21 and 22 (see Fig. 13).
- the moisture-permeable membrane 5 since the moisture-permeable membrane 5 itself is a soft body, the moisture-permeable membrane 5 is held by using a support frame 14 assembled in a basket-like conical shape with aluminum wire 14a.
- the support frame 14 can be a good heat transfer material to uniformly cool the small chamber.
- the spacing of the aluminum wires 14a differs between the upper and lower 1a and 1b. As a result, a temperature gradient of the contacting gas is generated, thereby promoting the convection of the small chamber and promoting the movement of water vapor.
- the difference in surface area for a specific volume of gas between part a and part b is used.
- the distance 1a above the aluminum wire 14a is about 10 mm.
- the heating surface of the Peltier element 10 heats the upper small chamber via the heat transfer body 10a, and the cooling surface of the Peltier element 10 is the top aluminum of the inserted substantially conical moisture-permeable membrane 5. Cooling is carried out through aluminum wires 14a, which are provided at a distance of about 10 between the top plate 10b and the supporting frames 14 at the same time (see Figures 13, 9, and 8).
- the heating surface of the Peltier element 10 Heat is applied to the electric insulating film 10 c, the electric heating element 10 a, the conductive porous body 9 of the moisture permeable membrane 4, the conductive porous body 9 of the moisture permeable membrane 6, the aluminum portion under the moisture permeable membrane 6,
- the aluminum wire 14 a, the conductive porous body 9 of the moisture permeable film 5, and the aluminum top plate 1 Ob move to the cooling surface of the Peltier element 10.
- a temperature gradient is formed between the first moisture permeable film 4 and the aluminum top plate 10b of the second moisture permeable film 5.
- a temperature difference is generated in the substantially conical space, thereby facilitating the movement of water vapor by the moisture permeable films 4, 5, and 6, and a temperature gradient caused by the Berch!: Element 10 is effectively generated.
- FIG. 28 is an example in which a Peltier element is provided in an intermediate small chamber.
- 170 is the moisture permeable membrane on the housing side
- 1 71 is the moisture permeable membrane 1 of the moisture permeable membrane
- 1 7 2 is a moisture permeable membrane 2
- 1 7 3 is a moisture permeable membrane 3
- 1 7 5 is a cell wall
- 1 7 6 is a Peltier element
- 1 7 and 1 7 8 are conductive porous materials
- 1 7 9 is dustproof Or
- a net 175a is a drainer
- 176a is a solar cell for driving a Peltier element
- 175b is packing
- 175c is a heat insulator or heat absorber.
- the conductive porous body 177 inside 1 is heated, and the conductive porous body 178 inside the moisture permeable membrane 17 2 is cooled via a heat transfer body.
- a temperature difference is provided between two inner and outer small chambers having a substantially conical shape. Otherwise, the structure and operation are the same as those of the above embodiment.
- FIGS. 29A, 29B, and 29 ⁇ show various examples of forming a substantially conical space 270 to 277 along the moisture-permeable membrane 260 to 269. 280, 281, 282 and the adiabatic passages are indicated by 290, 291 and 292.
- Fig. 29A shows a large truncated conical space 27 0 and a conical space 27 1 in a passageway 29 0 through a moisture permeable membrane 260, 261, 262 and a moisture permeable membrane 2
- the Peltier element 280 is formed in the center of a moisture-permeable film 260 serving as a bottom surface of the space 270.
- FIG. 29B is a diagram in which the large and small conical spaces 272 and 273 shown in FIG.
- FIG. 29C shows an example in which a number of conical spaces 2 7 4, 2 7 5, 2 7 6 and 2 7 7 are formed by folding the moisture permeable membrane 2 6 6 c three times.
- FIG. 29B shows an example in which, like FIG. 29B, a horizontal moisture-permeable film 266a is provided at the center and joined to the top of the moisture-permeable film 276a.
- the heat quantity of the heat absorber is determined by the heat release, the volume of the heat retaining cavity, the total surface area of the device, the contact area of the support between the case and the main unit of the device, the contact area of the support of the main unit with the small chamber, the total surface area of the device
- the temperature gradient is set as the tendency of the fluctuation speed.
- an infrared reflection layer may be formed on the surface of the heat-retaining cavity.
- This means performs metal plating, printing, vapor deposition, etc., and performs this treatment on the outer wall of the small chamber, and performs this surface treatment on the inner wall of the heat insulation cavity. Transmission is delayed.
- a vacuum mirror of Mahobon may be used as a heat retaining cavity.
- a sheet such as a metal foil
- a time margin before heat is transmitted from the outer periphery of the roll to the inside.
- the transmission time of the temperature speed between the inner and outer chambers prevent backflow or move actively Or to fill inefficient time up to time.
- the case where a metal foil with a high heat transfer speed is used and the case where a sheet with a low heat transfer speed is used may be set separately for the outer small chamber and the inner small chamber. May be set.
- the heat transfer efficiency can be actively controlled by selecting these sheets in a triangular shape so that the short side contacts the small chamber or the long side contacts the small chamber. It is possible to
- the surface that has been in contact with the side on which the foil is easily wound has a characteristic that a gap is generated as the temperature rises.
- the heat transfer around the small chamber is less susceptible to heat imbalance on the container side, for example, cooling phenomena due to heat of vaporization due to direct sunlight or wind after rain. It has the feature that it can perform homogenized heat transfer.
- the seat is printed with the average temperature, the average power outlet, the characteristics of the location, etc. of the installation part or the environment side, and the wearer cuts it arbitrarily, It may be reassembled so that the heat transfer speed can be freely adjusted.
- the configuration of the heat absorber or the heat retaining tank may be as follows. Insulation tank component example
- Aluminum lumps (alumina-treated), surface treatment materials for the purpose of increasing the absorptivity of the aluminum-treated lumps as small chamber materials, or as real materials
- the thermal paint may be applied to the lowermost or uppermost mesh, or to a position that is easy to see from the outside, such as the surface of the moisture-permeable membrane, or the outer cylindrical body, and this discoloration may be used to make it easier to identify the replacement time.
- This method applies a thermal paint, for example, from below at high altitudes or over the entire perimeter of the device, or above or above the perimeter of the device at locations near the ground or the dwelling space, so that a certain prominent color (red, blue or yellow) is applied. ), Etc., when it becomes clear, inform the replacement time (such as the prominence of a company mark, or the emergence of a letter indicating the replacement time).
- the thermal paint used in sheet-type thermometers has the advantage that the temperature fluctuations of the moisture-permeable membrane are less effective due to clogging, etc.
- this treatment is performed in the direction in which the surface of the moisture-permeable membrane can be seen. That is, since the clogging reduces the porosity of the surface of the moisture-permeable membrane, the compression causes the fluctuation of the heat of vaporization to increase. It is easy to understand if you sense and change the color.
- the values of (moisture permeability) X (permeability) of the moisture permeable membrane are arranged according to the direction in which the water vapor moves, and the lower surface of the moisture permeable membrane is a water-repellent surface.
- the temperature gradient is given using the body and the Peltier element, and one of the small chambers has a substantially conical shape made of a moisture-permeable membrane, which gives a strong direction of movement of water vapor. Or, it can be humidified. It was small and inexpensive to manufacture, with no moving parts, and the running cost was extremely low.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/486,448 US6309448B1 (en) | 1998-06-24 | 1999-06-24 | Vapor movement controlling device |
EP99926800A EP1048339A4 (en) | 1998-06-24 | 1999-06-24 | CONTROL DEVICE FOR MOVING STEAM |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19495398A JP3544621B2 (ja) | 1998-06-24 | 1998-06-24 | 水蒸気移動制御装置 |
JP10/194953 | 1998-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999067009A1 true WO1999067009A1 (fr) | 1999-12-29 |
Family
ID=16333084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/003382 WO1999067009A1 (fr) | 1998-06-24 | 1999-06-24 | Dispositif commandant le mouvement de la vapeur |
Country Status (4)
Country | Link |
---|---|
US (1) | US6309448B1 (ja) |
EP (1) | EP1048339A4 (ja) |
JP (1) | JP3544621B2 (ja) |
WO (1) | WO1999067009A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4547075B2 (ja) * | 2000-08-03 | 2010-09-22 | 株式会社九州山光社 | 水蒸気移動制御装置 |
JP3802398B2 (ja) * | 2001-10-04 | 2006-07-26 | 株式会社九州山光社 | 水蒸気移動制御装置 |
US6593525B1 (en) | 2002-03-04 | 2003-07-15 | Andrew Corporation | Direct burial outdoor membrane pressurization system |
EP1934536A4 (en) * | 2005-08-15 | 2010-08-04 | Carrier Corp | THERMOELECTRIC HEAT PUMP FOR VENTILATION OF HEAT AND ENERGY RECOVERY |
DE202005014282U1 (de) * | 2005-09-10 | 2005-11-24 | Blum, Theodor | Klimagerät |
US20110024355A1 (en) * | 2007-10-10 | 2011-02-03 | Polymers Crc Ltd. | Antimicrobial membranes |
DE102009024040B4 (de) * | 2009-06-05 | 2020-09-10 | Drägerwerk AG & Co. KGaA | Wasserfalle mit verbesserter Schutzfunktion |
DE102009054921B4 (de) | 2009-12-18 | 2020-09-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Minderung der Feuchtigkeit eines Gases in einem Batteriegehäuseinnenraum |
DE102011005916A1 (de) * | 2011-03-22 | 2012-09-27 | Sb Limotive Co., Ltd. | Druckausgleichelement, Gehäuse ein Druckausgleichelement aufweisend, Lithium Ionen-Akkumulator sowie Kraftfahrzeug |
EP2762810A1 (en) * | 2013-02-04 | 2014-08-06 | ABB Oy | Cooling assembly and dehumidification method |
US10201779B2 (en) * | 2014-08-07 | 2019-02-12 | Industry-University Cooperation Foundation Hanyang University Erica Campus | Dehumidifying and humidifying device |
TWM493020U (zh) * | 2014-08-26 | 2015-01-01 | Ind Tech Res Inst | 除濕單體、分層溫控除濕元件及乾燥裝置 |
DK3012568T3 (en) * | 2014-10-20 | 2018-12-10 | Abb Schweiz Ag | Cooling device and cooled electrical device comprising it |
DE102016101962A1 (de) * | 2016-02-04 | 2017-08-10 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Entfeuchtungsvorrichtung für ein Gehäuse |
CN111397758A (zh) * | 2020-03-31 | 2020-07-10 | 海信集团有限公司 | 温度检测器 |
CN111623468B (zh) * | 2020-05-18 | 2022-05-10 | 珠海格力电器股份有限公司 | 一种新风机防凝露控制方法、装置及空调 |
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JPH0768124A (ja) * | 1993-07-03 | 1995-03-14 | Kunitaka Mizobe | 除湿装置 |
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JP2673477B2 (ja) * | 1992-05-22 | 1997-11-05 | 都孝 溝部 | 除湿装置 |
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- 1998-06-24 JP JP19495398A patent/JP3544621B2/ja not_active Expired - Fee Related
-
1999
- 1999-06-24 US US09/486,448 patent/US6309448B1/en not_active Expired - Fee Related
- 1999-06-24 WO PCT/JP1999/003382 patent/WO1999067009A1/ja not_active Application Discontinuation
- 1999-06-24 EP EP99926800A patent/EP1048339A4/en not_active Withdrawn
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JPH0768124A (ja) * | 1993-07-03 | 1995-03-14 | Kunitaka Mizobe | 除湿装置 |
JPH08323132A (ja) * | 1995-06-05 | 1996-12-10 | Kunitaka Mizobe | 除湿装置 |
JPH08327101A (ja) * | 1995-06-06 | 1996-12-13 | Kunitaka Mizobe | 加湿装置 |
JPH0957044A (ja) * | 1995-08-24 | 1997-03-04 | Kunitaka Mizobe | 除湿装置 |
JPH10192640A (ja) * | 1996-12-28 | 1998-07-28 | Fumitaka Mizobe | 水蒸気移動制御装置 |
JPH10290916A (ja) * | 1997-02-20 | 1998-11-04 | Kunitaka Mizobe | 除湿装置 |
JPH10246475A (ja) * | 1997-03-01 | 1998-09-14 | Kunitaka Mizobe | 加湿装置 |
Also Published As
Publication number | Publication date |
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US6309448B1 (en) | 2001-10-30 |
JP3544621B2 (ja) | 2004-07-21 |
JP2000005548A (ja) | 2000-01-11 |
EP1048339A1 (en) | 2000-11-02 |
EP1048339A4 (en) | 2002-06-05 |
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