JP2002079038A - Dehumidification element - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dehymidification element of which the dehumidification efficiency can be enhanced by reducing wall thickness. SOLUTION: Connection passage pipes 1, an inlet side air chamber 3 provided with a highly humid air inlet 2, to which one ends of the connection passage pipes 1 are connected, and an outlet air side chamber 6 provided with a dehumidified air outlet 4, to which the other ends of the connection passage pipes 1 are connected, and a drain port 5 are separately formed from a resin. A dehumidification element main body 7 is formed by connecting a plurality of the connection passage pipes 1 to the inlet side air chamber 3 and the outlet air side chamber 6. By passing highly humid air through the connection passage pipes 1 and allowing a cooling fluid to flow along the outsides of the connection passage pipes 1, the connection passage pipes 1 can be formed so as to have thin wall thickness and the dehumidification element capable of enhancing dehumidification efficiency can be obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dew condensation type dehumidifying element formed of a resin which dehumidifies moisture in indoor air by exchanging heat with a cooling fluid.

[0002]

2. Description of the Related Art Conventionally, as an example of this type of dehumidifying element, a resin heat exchanger described in Japanese Patent Application Laid-Open No. 11-304389 has been known. Hereinafter, the configuration of the heat exchanger will be described with reference to FIGS.

As shown in the figure, a condensed fluid introducing portion 101 is provided at an upper portion, and a condensed fluid discharging portion 102 and a condensed liquid discharging portion 103 are provided at a lower portion. Blow-molded translucent / transparent having a larger number of directional passage tubes 105, 106, and 107 and a passage tube portion having a smaller cross-sectional area and a space portion 108 between each passage tube for passing a heat exchange fluid. Resin condensers 109 and 110, condensed fluid introduction portions 101 and 111 and condensed fluid deriving portion 10 at the same positions of the individual condensers 109 and 110.
2 and 112 are respectively connected to the overlapping positions by biting packings 113 and connected by two metal spring plate members 114, and the condensate discharge portions 10 of the individual condensers 109 and 110 are connected.
3, 115 were connected to one discharge pipe 116.

[0004]

In such a conventional heat exchanger, since the resin such as polypropylene is formed by blow molding in a mold, the thickness of the heat exchanger is 1 mm to 1 mm. There is a problem that the heat exchange efficiency with the fluid to be condensed is not yet sufficient due to the large thickness, so that the heat exchange efficiency is increased to obtain a dehumidifying element with good dehumidification efficiency. Is required.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide a dehumidifying element capable of increasing the dehumidifying efficiency by reducing the thickness.

[0006]

In order to achieve the above object, a dehumidifying element according to the present invention is provided with a connecting passage tube having both ends opened and a humid air inlet having a shape to which one end of the connecting passage tube is connected. An inlet-side air chamber, and an outlet-side air chamber provided with a dehumidifying air outlet and a drain port in a shape to which the other end of the connection passage pipe is connected are formed separately with resin, and a plurality of the connection passage pipes are provided. It is provided with a dehumidifying element main body joined to the pipe air chamber and the outlet side air chamber, so that humid air flows through the inside of the connection passage tube and a cooling fluid flows outside.

According to the present invention, a dehumidifying element capable of increasing the dehumidifying efficiency by reducing the thickness of the connecting passage tube is obtained.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention relates to a connecting passage pipe having both ends opened, an inlet-side air chamber provided with a humid air inlet having one end connected to the connecting passage pipe, Dehumidification in which a dehumidification air outlet and an outlet side air chamber provided with a drain port are separately formed of resin in a shape to which the other end is connected, and a plurality of the connection passage pipes are joined to the inlet side air chamber and the outlet side air chamber. The device has an element body, and has a configuration in which humid air is passed through the inside of the connecting passage tube and a cooling fluid flows outside, and the connecting passage tube is formed separately, so that the connecting passage tube is formed thin by extrusion molding or the like. This makes it possible to increase the degree to which the humid air passing through the inside of the connection passage tube is cooled by the cooling fluid flowing outside the connection passage tube, thereby increasing the dehumidifying efficiency of the moisture in the humid air.

An embodiment of the present invention will be described below with reference to the drawings.

[0010]

(Embodiment 1) As shown in FIGS. 1 to 5, an inlet provided with a humid air inlet 2 having a shape in which a connecting passage tube 1 having both ends opened and one end of the connecting passage tube 1 is connected. Side air chamber 3
And a dehumidifying air outlet 4 and an outlet-side air chamber 6 provided with a drain port 5 in a shape to which the other end of the connecting passage tube 1 is connected, are separately formed of resin. A dehumidifying element body 7 is formed, which is joined to the chamber 3 and the outlet side air chamber 6 and through which humid air flows through the inside of the connecting passage tube 1 and through which a cooling fluid such as a refrigerant flows.

The connecting passage tube 1 is formed in a thin and substantially hexahedral cross section by extrusion molding or the like, and the width B in the flow direction of the cooling fluid is several times larger than the width A facing the flow of the cooling fluid. The humid air inlet 2 is formed by inclining the bottom surface 8 of the outlet side air chamber 6 so that the dew condensation water flows toward the drain port 5.
And the position of the dehumidifying air outlet 4 are provided on a diagonal line.

In the above configuration, when the humid air in the room flows from the humid air inlet 2 provided in the inlet side air chamber 3,
The humid air is distributed to a plurality of connecting passage tubes 1 joined to the humid air inlet 2, and the humid air passes through the inside of the connecting passage tube 1. At this time, a cooling fluid flows outside the connecting passage tube 1, and the cooling fluid contacts the outside of the connecting passage tube 1 so that the humid air passing through the inside of the connecting passage tube 1 is cooled and moisture is condensed. The condensed water descends and is discharged to the outside through a drain port 5 provided in the outlet side air chamber 4, and the dehumidified air from which moisture has been dehumidified passes through a dehumidified air outlet 4 provided in the outlet side air chamber 4. The humid air discharged into the room is dehumidified.

Further, since the connecting passage tube 1 is formed long in the flow direction of the fluid, the degree of contact with the cooling fluid is increased, and the dew condensation water is guided by the inclined surface toward the drain port 5 and the humid air inlet. The humid air flowing in from 2 is easily guided in the diagonal direction in which the dehumidified air outlet 4 is provided, so that the entire dehumidifying element body 7 is dehumidified.

As described above, according to the dehumidifying element of the first embodiment of the present invention, the connecting passage tube 1 having both ends opened and the humid air inlet 2 having a shape to which one end of the connecting passage tube 1 is connected are provided. An inlet-side air chamber 3 and an outlet-side air chamber 6 provided with a dehumidifying air outlet 4 and a drain port 5 in a shape to which the other end of the connecting passage tube 1 is connected are separately formed of resin. A plurality of connection passage tubes 1 joined to the inlet side air chamber 3 and the outlet side air chamber 6
Is formed by the dehumidifying element main body 7 through which humid air is passed inside and the cooling fluid is allowed to flow outside. By separately forming the connecting passage tube 1, it is possible to form the connecting passage tube 1 thin by extrusion molding or the like. The degree of cooling of the humid air passing through the pipe 1 is increased, and the dehumidifying efficiency can be increased.

Further, the width B of the connecting passage tube 1 in the flow direction of the cooling fluid is several times as large as the width A on the side facing the flow of the cooling fluid, the cross section of which is substantially hexahedral. The area increases, the degree of cooling of the humid air increases, and the dehumidifying efficiency can be improved.

Also, the bottom surface 8 of the outlet side air chamber 6 is inclined so that the dew condensation water flows toward the drain port 5, so that the dew condensation in the connection passage pipe 1 and dripping into the outlet side air chamber is smoothly drained. It is guided to the mouth 5 and drained.

Since the positions of the humid air inlet 2 and the dehumidified air outlet 4 are provided diagonally, the humid air flowing into the inlet side air chamber 3 from the humid air inlet 2 is supplied to the dehumidified air outlet 4 provided diagonally. As a result, the humid air is distributed substantially evenly to the plurality of connection passage tubes 1 provided in the dehumidifying element main body 7, and the dehumidifying efficiency is enhanced.

(Embodiment 2) As shown in FIG. 6, a hydrophilic surface E is applied to a humid air contact surface 9 of a connecting passage tube 1A.

By applying the hydrophilic treatment E to the humid air contact surface 9 of the connecting passage tube 1A as described above, the wettability of the dew condensation water 10 is increased, the water collection is enhanced, and the drainage efficiency of the dew condensation water 10 is improved. Becomes

(Embodiment 3) As shown in FIG. 7, a water repellent treatment F is applied to a humid air contact surface 9A of a connecting passage tube 1B.

As described above, by performing the water repellency treatment on the humid air contact surface 9A of the connection passage tube 1B, the dew water condensed on the humid air contact surface 9A tends to become granular, and the water collection is enhanced. The drainage efficiency of the condensed water will be improved.

(Embodiment 4) As shown in FIG. 8, the humid air contact surface 9B of the connecting passage tube 1C is formed in a corrugated shape to increase the contact area.

In the above structure, when the humid air flows in the direction of arrow C inside the connecting passage tube 1C and the cooling fluid flows in the direction of arrow D outside the connecting passage tube 1C, the contact surface 9B of the humid air has a wavy shape. The formation area increases the contact area of the humid air and the contact area with the cooling fluid.

As described above, according to the dehumidifying element of the fourth embodiment of the present invention, the humid air contact surface 9B of the connecting passage tube 1C is formed into a waveform that increases the contact area, so that the humid air passing through the connecting passage tube 1C. Heat exchange between the air and the cooling air flowing to the outside of the connection passage tube 1C is enhanced, and the dehumidifying efficiency is enhanced.

(Embodiment 5) As shown in FIG. 9, a plurality of corrugations 11 are provided on the connecting passage wall so that the shape of the connecting passage tube 1D has a large second moment of area.

In the above configuration, even if the pressure fluctuation occurs in the humid air or the cooling fluid, the secondary moment of area is larger than that in the case where the connecting passage wall is formed in a flat plate shape.
It is possible to maintain that shape.

As described above, according to the dehumidifying element of the fifth embodiment of the present invention, since the shape of the connecting passage tube 1D is formed so as to increase the second moment of area, the pressure fluctuation of the humid air or the cooling fluid occurs. In this case, the contact surface between the humid air and the cooling fluid is deformed, the passage of the humid air or the cooling fluid is narrowed, and the dehumidifying efficiency is reduced. By adopting a shape having a large moment, the shape can be maintained even if a pressure fluctuation occurs, so that a change in dehumidifying efficiency can be prevented.

Further, since the passage of the humid air or the cooling fluid can be prevented from being narrowed, it is not necessary to maintain the passage by attaching a rib or a spacer, and the number of parts can be reduced.

(Embodiment 6) As shown in FIG. 10, a vibration device 12 for applying vibration to the dehumidifying element body 7A is provided.

In the above configuration, since the dehumidifying element main body 7A is vibrated by the vibrating device 12, the dew condensation water, which is formed as particles and falls on the inner surface of the connecting passage pipe 1 of the dehumidifying element main body 7A through which the humid air passes, falls and is collected. The Rukoto.

As described above, according to the dehumidifying element of the sixth embodiment of the present invention, the vibration device 12 for applying vibration to the dehumidifying element main body 7A.
Is provided, the water collecting of the dew condensation water is increased, and the dehumidifying efficiency is improved.

(Embodiment 7) As shown in FIG. 11, a magnet 14 is provided movably on the cooling fluid contact surface 13 side of the connection passage tube 1E, and magnetism is provided on the humid air contact surface 9C side of the connection passage tube 1E. The wiper 15 is provided.

In the above configuration, the dew condensation water 10 condensed on the humid air contact surface 9C is removed by moving the magnet 14 provided on the cooling fluid contact surface 13 side to move the wiper 15 of the humid air contact surface 9C. It will be.

As described above, according to the dehumidifying element of the seventh embodiment of the present invention, since the wiper 15 is provided on the humid air contact surface 9C of the connection passage tube 1E, the dew condensation water 10 attached to the humid air contact surface 9C is forcibly removed. The water can be collected efficiently, and the dehumidification efficiency can be increased.

The cooling fluid contact surface 1 of the connecting passage tube 1E
The magnet 14 is movably provided on the third side, and the humid air contact surface 9 is provided.
Since the magnetized wiper 15 is provided on the C side, the magnet 1 is disposed on the side of the cooling fluid contact surface 13 which is the outside of the connecting passage tube 1E.
By moving the wiper 4, the condensed water 10 that has condensed on the humid air contact surface 9C can be forcibly removed by the movement of the wiper 15.

[0036]

As is clear from the above embodiments, according to the present invention, the connecting passage tube having both ends opened and the inlet side provided with the humid air inlet in a shape to which one end of the connecting passage tube is connected. An air chamber and an outlet-side air chamber provided with a dehumidifying air outlet and a drain port in a shape to which the other end of the connection passage pipe is connected are formed separately from resin, and a plurality of the connection passage pipes and an inlet-side air chamber are provided. And a dehumidifying element main body joined to the outlet side air chamber, and the humid air is passed through the inside of the connection passage tube and the cooling fluid is caused to flow to the outside, so that the connection passage tube is formed to be thin by extrusion molding or the like. And a dehumidifying element having an effect of increasing the dehumidifying efficiency can be provided.

Further, since the cross section of the connecting passage tube is hexahedral and the width in the flow direction of the cooling fluid is formed to be several times larger than the width on the side facing the flow of the cooling fluid, the contact area of the cooling fluid is reduced. The dehumidification efficiency is increased.

Further, since the bottom surface of the outlet side air chamber is inclined so that the dew water flows toward the drain port, the dew water can be smoothly drained.

Further, since the positions of the humid air inlet and the dehumidified air outlet are provided diagonally, the humid air is substantially evenly distributed to the plurality of connecting passage pipes, thereby improving the dehumidifying efficiency.

Further, since the humid air contact surface of the connecting passage tube is subjected to the hydrophilic treatment, the water collection is enhanced and the drainage efficiency of the condensed water is enhanced.

Further, since the water-repellent treatment is applied to the humid air contact surface of the connecting passage tube, the water collection is enhanced and the drainage efficiency of the condensed water is enhanced.

Further, since the humid air contact surface of the connecting passage tube is formed into a waveform having an increased contact area, heat exchange between the humid air and the cooling air is enhanced, and the dehumidifying efficiency is enhanced.

Further, since the shape of the connecting passage tube is formed so as to increase the second moment of area, a change in the dehumidifying efficiency can be prevented.

Further, since the vibration device for applying vibration to the dehumidifying element main body is provided, the water collecting of the dew condensation water is increased, and the dehumidifying efficiency is improved.

Further, since the wiper is provided on the humid air contact surface of the connecting passage tube, dew water adhering to the humid air contact surface can be forcibly collected, and the dehumidifying efficiency can be improved.

In addition, since a magnet is movably provided on the cooling fluid contact surface side of the connecting passage pipe and a magnetized wiper is provided on the humid air contact surface side, dew water condensed on the humid air contact surface is removed by the wiper. It can be forcibly removed by moving.

[Brief description of the drawings]

FIG. 1 is a front view of a removing element according to a first embodiment of the present invention.

FIG. 2 is a top view of the dehumidifying element.

FIG. 3 is a perspective view of a connection passage tube of the dehumidifying element.

FIG. 4 is a front view showing a shape of a connection passage tube of the dehumidifying element.

FIG. 5 is a top view showing a state in which connection passage tubes of the dehumidifying element are arranged in two rows.

FIG. 6 is a cross-sectional view illustrating a configuration of a connection passage tube of a dehumidifying element according to a second embodiment of the present invention.

FIG. 7 is a cross-sectional view illustrating a configuration of a connection passage tube of a dehumidifying element according to a third embodiment of the present invention.

FIG. 8 is a sectional view showing a configuration of a connection passage tube of a dehumidifying element according to a fourth embodiment of the present invention.

FIG. 9 is a perspective view illustrating a configuration of a connection passage tube of a dehumidifying element according to a fifth embodiment of the present invention.

FIG. 10 is a front view illustrating a configuration of a dehumidifying element according to a sixth embodiment of the present invention.

FIG. 11 is a schematic view showing an installation state of a wiper of a dehumidifying element according to a seventh embodiment of the present invention.

FIG. 12 is a perspective view of a conventional heat exchanger.

FIG. 13 is a front view of the heat exchanger.

FIG. 14 is a sectional view of the heat exchanger taken along the line AA in FIG. 13;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connection passage pipe 1A Connection passage pipe 1B Connection passage pipe 1C Connection passage pipe 1D Connection passage pipe 1E Connection passage pipe 2 Humid air inlet 3 Inlet side air chamber 4 Dehumidification air outlet 5 Drain port 6 Exit side air chamber 7 Dehumidification element main body 7A Dehumidifying element body 8 Bottom 9 Humid air contact surface 9A Humid air contact surface 9B Humid air contact surface 9C Humid air contact surface 12 Vibration device 13 Cooling fluid contact surface 14 Magnet 15 Wiper E Hydrophilic treatment F Water repellency treatment

Claims (11)

[Claims] 1. A connecting passage tube having both ends opened, an inlet-side air chamber provided with a humid air inlet in a shape to which one end of the connecting passage tube is connected, and the other end of the connecting passage tube connected. Dehumidifying air outlet and outlet-side air chamber provided with a drain port are separately formed of resin in shape, and a plurality of the connection passage pipes, a dehumidifying element body joined to the inlet-side air chamber and the outlet-side air chamber, A dehumidifying element having a configuration in which humid air flows through the inside of the connection passage tube and a cooling fluid flows outside. 2. The dehumidifying element according to claim 1, wherein a cross section of the connecting passage tube is substantially hexahedral, and a width in a flow direction of the cooling fluid is formed to be several times larger than a width on a side facing the flow of the cooling fluid. . 3. The dehumidifying element according to claim 1, wherein the bottom surface of the outlet-side air chamber is inclined so that dew condensation water flows toward the drain port. 4. The dehumidifying element according to claim 1, wherein the positions of the humid air inlet and the dehumidified air outlet are provided diagonally. 5. The dehumidifying element according to claim 1, wherein a hydrophilic treatment is applied to a contact surface of the connecting passage tube with the humid air. 6. The dehumidifying element according to claim 1, wherein a water repellent treatment is applied to a humid air contact surface of the connecting passage tube. 7. The humid air contact surface of the connecting passage tube is formed in a waveform having an increased contact area.
7. The dehumidifying element according to 5 or 6. 8. The connecting passage tube is formed so as to have a large second moment of area.
The dehumidifying element according to 5, 6, or 7. 9. The dehumidifying element according to claim 1, further comprising a vibration device for applying vibration to the dehumidifying element main body. 10. The connecting passage tube is provided with a wiper on a humid air contacting surface thereof.
The dehumidifying element as described in the above. 11. The dehumidifying element according to claim 10, wherein a magnet is movably provided on the cooling fluid contact surface side of the connection passage tube, and a magnetic wiper is provided on the humid air contact surface side.