JPH03224610A - Dehumidifier - Google Patents

Abstract

PURPOSE:To effectively dehumidify while avoiding the complification or the magnification of the constitution of device by passing the air current generated by a fan through the apertures of a 1st grid to accelerate it, and allowing the accelerated air current to collide with a 2nd grid to generate a turbulent flow to dehumidify the air current. CONSTITUTION:The air current generated by the fan 3 is accelerated when passed through the apertures 4b of the 1st grid 4. The accelerated air current is collided with the recessed parts 5a of the 2nd grid 5 and made into the turbulent flow in which the moisture in the air current is made into water drops and becomes the dehumidified water. The dehumidified water generated in the recessed parts of the 2nd grid is stuck on the recessed parts of the 1st grid, but the dehumidified water scattered at the 1st grid 4 and the 2nd grid 5 is stuck on the plate part of a 3rd grid 6. The dehumidified water stuck on the 1st grid 4 drops from the recessed parts 4a by gravity and is recovered in dehumidified water recovery parts 7, 8 provided downwards. The dehumidified water stuck on the 3rd grid 6 drops by gravity from the folded-back parts 6a of the plate parts and is recovered in the dehumidified water recovery part 7, 8 provided downwards.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a dehumidifying device, and particularly to a dehumidifying device that can obtain an effective dehumidifying effect while avoiding complication or enlargement of the device configuration. .

(Prior Art) A control panel is a panel on which various instruments such as control devices are attached and wired, and generally has the function of mainly monitoring, controlling, and protecting the operation of a power consumption system. Recently, electronics have been widely used in control panels, and many electronic components are used in the control devices that make up the control panels.

Therefore, the temperature inside the control panel may rise due to internal heat generation from the electronic components during operation of the control panel, which may adversely affect the function of the control panel. In this respect, in the case of a fully enclosed type control panel, the inside of the control panel is particularly likely to become a high temperature environment. Also,
The temperature inside the ILJ control panel may rise due to the external environment, such as when a heat source such as a heater is installed nearby. Therefore, it is generally necessary to cool the inside of the control panel so that the inside of the control panel does not become a high temperature environment.

For example, in the case of a completely closed type control panel, a conventional method for cooling the inside thereof is to forcibly circulate the air (inside air) inside the control panel using a fan, as shown in FIG.

That is, FIG. 6 is a schematic horizontal cross-sectional view of a fully enclosed control panel, and this control panel 1o has inside the panel 11 not only instruments such as the control equipment 12 but also a ventilation duct 14 to which a fan 13 is attached.
is installed. When the fan 13 rotates, the control panel 1
An air current is generated within the control panel 10, and air circulation occurs between the internal space of the control panel 10 and the ventilation duct 14 as shown by the arrows in the figure.

In this way, the wind generated by the fan 13 causes the control panel 1 to
0, that is, the control equipment 12 and the like attached to the panel 11 are cooled.

(Problem to be solved by the invention) However, in the prior art, even if the control panel 10 is a completely enclosed type, it is impossible to completely seal the control panel 10 from the air outside (outside air). Therefore, moisture in the outside air may enter the control panel 10 and increase the humidity of the inside air. When the humidity of the indoor air increases, condensation tends to form on the control equipment 12, which is directly exposed to the wind from the fan 13.
Water droplets and dust adhere to it. Such high humidity or dew condensation within the control panel 10 may also have an adverse effect on the function of the control panel 10.

Therefore, it is necessary to dehumidify the interior of the control panel 10 in addition to cooling it, and one method of dehumidifying the interior of the control panel is to use a refrigerator for boat fishing. In other words, a refrigerator consists of a compressor, a condenser, a filter, a pressure reducing device,
It has a refrigeration cycle consisting of an evaporator and piping that connects them, and as the refrigerant circulates through this refrigeration cycle, the evaporator cools the air by heat exchange between the liquid refrigerant and the air. , thereby removing moisture from the air. When a refrigerator is used in this way, cooling and dehumidification of the inside of the control panel are performed at the same time.

However, although it is true that using a refrigerator can perform cooling and dehumidification within the control panel 10 very effectively, the refrigerator has a complicated structure, is relatively large, and is expensive, so it is difficult to install it. It costs a lot of money.

The present invention has been made to solve the problems of the prior art described above, and it is an object of the present invention to provide a dehumidifying device that can obtain an effective dehumidifying effect while avoiding complication or enlargement of the device configuration.

[Structure of the Invention] (Means for Solving the Problems) The present invention for achieving the above object includes a fan that generates an airflow, and a recess that collects dehumidified water from the airflow generated by the fan. a first lattice that accelerates the airflow and collects dehumidified water from the airflow, the first lattice being disposed in a horizontal row downstream of the fan with the concave portion facing the downstream side of the fan; A recess that causes airflow to collide and generate turbulence is nailed, and the recess is disposed downstream of and parallel to the first grid, with the recess facing the gap of the first grid, for dehumidifying the airflow. a second lattice; and a plate-shaped part having folded parts formed at both ends to collect dehumidified water scattered in the first lattice and the second lattice, and the plate-shaped part is opposed to the gap between the second lattice. A third grate is arranged downstream of the second grate and parallel to the second grate, and prevents the dehumidified water from scattering to the outside and collects the dehumidified water, and a third grate is arranged below the first to third grate. and a dehumidified water recovery section for recovering dehumidified water, which is disposed in the dehumidified water recovery section.

(Function) The airflow generated by the fan is accelerated when passing through the gaps in the first grid. This accelerated airflow collides with the concave portion of the second grid to generate a turbulent flow, where the moisture in the airflow is turned into water droplets and becomes dehumidified water.

The dehumidified water generated in the recesses of the second lattice adheres to the recesses of the first lattice, while the dehumidified water scattered in the first and second lattices adheres to the plate-like portions of the third lattice.

The dehumidified water adhering to the first grid falls down the recess due to its own weight and is collected in the dehumidified water collection section below. Moreover, the dehumidified water adhering to the third grid falls down the folded part of the plate-like part due to its own weight and is collected in the dehumidified water collection part below.

(Example) Hereinafter, an example of the present invention will be described in detail based on the drawings.

1A and 1B are a schematic front view and a schematic side view, respectively, of a dehumidifying device according to an embodiment of the present invention, and FIG.
6 is a schematic cross-sectional view taken along the line ■-■ of FIG.
It is installed at the position of the fan 13 in the.

This dehumidifier 1 has a fan 3 for generating airflow, and a semicircular cylinder having a recess 4a with a semicircular cut part placed at a predetermined interval smaller than the diameter of the semicircle in one box-shaped container (housing) 2. A first lattice 4 formed in horizontal rows, a second lattice 5 having the same shape and the same chair as the first lattice 4, and a plate-shaped portion 6a with both ends folded back and extending downward into a skirt shape are predetermined. The third lattice 6 is formed in horizontal rows with an interval of 1, and a water receiving tray 7 having an inclined surface for receiving water droplets is housed therein. A drain pipe 8 is connected to the water tray 7, and the water tray 7 and the drain pipe 8 constitute a dehumidified water recovery section.

The arrangement of each member inside the housing 2 is clearly shown in FIG. In other words, the rotation of the fan 3 attached to the inner wall of the casing 2 generates an airflow passing through the casing 2 as shown by the arrow in the figure, but there is a fan downstream of this airflow, that is, downstream of the fan 3 (the same applies hereinafter). A first grating 4 is arranged parallel to 3.

At this time, the semicircular recess 4a of the semicylindrical member is disposed toward the downstream side of the fan 3. The second lattice 5 is disposed downstream of the first lattice 4 and parallel to the first lattice 4, with its recess 5a facing the gap 4b of the first lattice 4. In this embodiment, both ends of the semi-cylinder of the first grid 4 and both ends of the semi-cylinder of the second grid 5 are arranged on the same plane (see also FIG. 1(B)).
. Further, the third grating 5 is arranged in T rows with the second grating 5, with the folded portions 6a facing inward and the plate-like portions 6a facing the gaps 5b of the second grating 5. In this embodiment, the third lattice 5 is arranged at a plane position that is in line with the center of each recess 5a of the second lattice 5, and forms one surface of the housing 2. The water tray 7 is arranged below the first to third grids 4 to 6 and forms the bottom of the housing 2.

In the dehumidifier 1 configured in this way, the dehumidifier 1
FIG. 3 schematically shows the flow of air in the interior, particularly in the vicinity of the first to third grids 4 to 6.

The air sucked into the housing 2 by the fan 3 passes through the gap 4b of the first lattice 4, collides with the inner surface of the recess 5a of the second lattice 5, and changes direction, as shown by the arrow in FIG. Then, after hitting the inner surface of the four parts 4a of the first grating 4 and changing its direction, it passes through the gap 5b of the second grating 5, and further collides with the plate-like part 6a of the third grating 6, and then folds back of the third grating 6. Part 6
b and the outer surface of the recess 5a of the second lattice 5, and is discharged from the gap 6c of the third lattice 6 to the outside of the casing 3.

In this way, the moisture in the air is removed in the process of the air flowing inside the housing 2, and the principle is as follows.

The air sucked in by the fan 3 increases the air pressure inside the housing 2 and is narrowed by the gaps 4b of the first grid 4, so that it is accelerated and its flow velocity increases. When this accelerated airflow collides around the center of the inner surface of the recess 5a of the second lattice 5, turbulence is generated around both ends of the inner surface of the four parts 5a of the second lattice 5. At this time, pressure unevenness occurs in the airflow, resulting in partial negative pressure. This negative pressure converts moisture in the air into water droplets. In this way, housing 2
The air sucked in is dehumidified, and the dehumidified air is discharged from the gap 6C of the third grid 6.

In this regard, each gap 4b of the first to third gratings 4 to 6,
The sizes C1, C2, and C3 of 5b and 6C are those of this dehumidifier 1.
It is preferable to set the control panel 10 so as to obtain the maximum cooling effect and dehumidification effect.

Now, most of the water droplets removed from the air adhere to the inner surface of the four parts 4a of the first lattice 4, and some amount adhere to the inner surface of the recess 5a of the second lattice 5, but the remaining water droplets, that is, the recess of the first lattice 4, 4
Water droplets scattered around the inner surface a and both ends of the inner surface of the concave portion 5a of the second grating 5 are carried by the airflow to the plate-shaped portion 6a of the third grating 6.
Attach to.

Therefore, dehumidified water droplets do not scatter to the outside of the housing 2.

The water droplets adhering to the first to third grids 4 to 6 are collected in the lower water tray 7 and drained through the drain pipe 8 to the outside of the casing 2 and further to the outside of the control panel 1o. Figures 4 and 3 show the water droplet recovery path in the first grid during this process.
FIGS. 5(A) and 5(B) show the water droplet collection route at Sawako 6.

Note that the water droplet recovery path in the second lattice 5 is the same as the water droplet recovery path in the first lattice, so its drawing and description will be omitted.

As shown in FIG. 4, the water iD adhering to the inner surface of the recess 4a of the first grid 4 is suppressed by the airflow, moves in the direction of the arrow, and gathers at the center. During this process, the water droplet that forms the nucleus in the center gradually becomes larger and falls into the water tray 7 at the bottom due to its own weight.

In addition, water i that has scattered and adhered to the plate-shaped portion 6a of the third grid 6
As shown in FIG. 5(A), D is restrained by the airflow and moves in the direction of the arrow, and gathers at the folded portions 6b at both ends. The water droplets that gathered on the folded part 6b and became large are shown in Fig. 5(B).
As shown in FIG. 2, the water falls along the folded part 6b that spreads downward like a skirt while being restrained by the airflow due to its own weight, and is collected in the water receiving tray 7 at the bottom.

Since the water tray 7 is inclined toward the drain pipe 8, the water droplets that have fallen onto the water tray 7 move along the slope to the drain tube 8, and are discharged from there to the outside.

Therefore, according to this embodiment, the turbulent flow generated by attaching the first grid 4 and the second grid 5 and causing the accelerated airflow that passes through the gap 4b of the first grid 4 to collide with the second grid 5 Since the moisture in the airflow is removed using pressure unevenness, an effective dehumidification effect can be obtained without making the device configuration complicated and large like a refrigerator.

Further, according to this embodiment, the third grid 6 is installed downstream of the first grid 4 and the second grid 5, so that the dehumidified water scattered from the first grid 4 and the second grid 5 is attached. , scattering of dehumidified water to the outside of the device 1 can be prevented.

Furthermore, according to this embodiment, a water tray 7 with a slope to which a drain pipe 8 is connected is arranged below each grid 4 to 6, and each grid 4
Since the dehumidified water adhering to water droplets 6 to 6 is made to fall into the water tray 7 using its own weight and guided to the drain pipe 8, the dehumidified water in the form of water droplets can be naturally and easily collected. Therefore, in addition to preventing the dehumidified water from scattering, the additional effect of not causing clogging due to the dehumidified water and not reducing the cooling effect of the fan 3 can also be obtained.

[Effects of the Invention] As is clear from the above description, according to the present invention, the airflow generated by the fan is accelerated by passing through the gap in the first grid, and the accelerated air is transferred to the second grid. Since the airflow is dehumidified by colliding with each other to generate turbulence, it is possible to obtain an effective dehumidification effect while avoiding complication or enlargement of the device configuration.

Further, according to the present invention, the third grid is installed downstream of the first grid and the second grid, so that the dehumidified water scattered from the first grid and the second grid is attached to the dehumidified water device. Scattering to the outside can be prevented.

Further, according to the present invention, the dehumidified water is made to adhere to the first grid and the third grid, and then falls downward by its own weight and is collected in the dehumidified water recovery section, so that the dehumidified water can be easily collected. can be recovered.

[Brief explanation of drawings]

1A and 1B are a schematic front view and a schematic side view, respectively, of a dehumidifying device according to an embodiment of the present invention, and FIG.
A schematic cross-sectional view along the line ■-■ in Figure (A), Figure 3 is an explanatory diagram showing the air flow near each grid, Figure 4 is an explanatory diagram showing the water droplet recovery path in the first grid, and Figure 5 (A) and (B
) is an explanatory diagram showing the water droplet collection path in the third grid,
The figure is a schematic horizontal sectional view of a conventional fully enclosed control panel. 1... Dehumidifier, 2... Housing, 3... Fan, 4
...first lattice, 5...second lattice, 6...third lattice, 4a, 5a...recess, 4b, 5b, 6c...gap,
6a... Plate-shaped part, 6b... Turned part, 7... Water receiving part (dehumidified water collection part), 8... Drain pipe (dehumidified water collection part)
, 10... control panel, 12... control equipment, 14...
Ventilation duct, D...Water droplets.

Claims (1)

[Claims] A fan that generates an airflow, and a recess that collects dehumidified water from the airflow generated by the fan, and is arranged in a row downstream of the fan with the recess facing the downstream side of the fan, accelerating the airflow. and a first lattice for collecting dehumidified water from the airflow, and a recess for causing the airflow that has passed through the gap in the first lattice to collide with each other to generate turbulence, the recess facing the gap in the first lattice. a second grating disposed downstream of the first grating and parallel to the first grating for dehumidifying the airflow; the plate-shaped part is arranged downstream of the second grid and parallel to the second grid, with the plate-shaped part facing the gap between the second grid and the dehumidified water to the outside. A dehumidifying device comprising: a third grid that prevents the scattering of water and collects dehumidified water; and a dehumidified water recovery section that collects the dehumidified water and is disposed below the first to third grids.