JPH11182907A - Ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilator which an improve the efficiency of heat exchange. SOLUTION: There are provided an exhaust passage 8b that exhausts air, a suction passage 8a that introduces air, and two or more Peltier modules 2 that provide heat exchanges between the air inside the exhaust passage 8b and the air inside the suction passage 8a. A control part 10 for controlling each Peltier module 2 independently is connected to each Peltier module 2. Outdoor air can be introduced indoors, by the heat exchange between the indoor air passing through the exhaust passage 8b and the outdoor air passing through the suction passage 8a. At that time, the independent control part 10 can impart different motions to the two or more Peltier modules 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator for exhausting indoor dirty air and introducing fresh outdoor air for ventilation.

[0002]

2. Description of the Related Art If a room under air-conditioning is kept closed for a long time, the indoor air is gradually polluted, resulting in an unhealthy environment. For this purpose, air intake and exhaust ports are provided between the indoor and outdoor areas, and fans are used to exhaust indoor dirty air and ventilate to introduce outdoor fresh air indoors to prevent indoor air pollution. ing. However, simply discharging indoor air and introducing outdoor air, for example, during cooling in summer, releases indoor cold air and simultaneously introduces outdoor hot air, thereby improving indoor cooling efficiency. During heating in winter, indoor warm air is exhausted and cold outdoor air is introduced at the same time, and indoor heating efficiency is reduced.

Therefore, an exhaust passage for discharging indoor air and an intake passage for introducing outdoor air are provided, and a heat exchanger is provided between the exhaust passage and the intake passage to form a ventilation device. Japanese Patent Application Laid-Open No. 61-195286 and the like provide that an apparatus is installed between indoors and outdoors to exchange heat between air passing through an exhaust passage and air passing through an intake passage by a heat exchanger. Have been.

[0004] By causing heat to be exchanged between the air passing through the exhaust passage and the air passing through the intake passage by the heat exchanger, the discharged indoor air is cooled, for example, during cooling in summer. When the introduced outdoor air is hot, the outdoor air is introduced into the room in a state where the temperature is exchanged with the discharged cool air and cooled, thereby preventing the efficiency of the indoor cooling from decreasing. Things,
Also, when the discharged indoor air is warm and the introduced outdoor air is cold, such as during winter heating, the outdoor air is warmed after being exchanged with the discharged warm air for warming. It is possible to prevent indoor heating efficiency from decreasing.

Japanese Patent Application Laid-Open No. 2-219936 discloses a ventilating apparatus using a heat exchanger comprising a Peltier module. As shown in FIGS. 2A and 2B, the Peltier module 2 includes an N-type semiconductor Peltier element 3a and a P-type semiconductor Peltier element 3b alternately connected by an electrode 4 and arranged. The substrate 4 is formed by attaching a substrate 5 made of an electric insulator such as ceramics between the surfaces of the substrate 4.

In this Peltier module 2, when one of the electrodes 4 and the substrate 5 becomes a heat-absorbing portion in accordance with the direction of current supply, the other electrode 4 and the substrate 5 become a heat-generating portion, and the other electrode 4 and the substrate 5 become a heat-generating portion. When 5 is a heat generating portion, the other electrode 4 and the substrate 5 are a heat absorbing portion. The heat exchanger 1 can be formed by connecting the heat exchange fins 6 having both open ends to the substrates 5 on both sides as shown in FIG. An exhaust passage 8b of the heat exchange fin 6 that faces either one of the heat exchange portion and the heat generation portion, and an intake passage 8a of the heat exchange fin 6 that faces the other of the heat absorption portion and the heat generation portion are formed.

The heat exchanger 1 using this Peltier module 2 is installed so as to penetrate an outer wall 14 as shown in FIG.
Through the exhaust passage 8b and exhausted to the outside 13 through the exhaust passage 8b. When the air passes through the exhaust passage 8b and the intake passage 8a, the Peltier Heat is taken from the air passing through one of the exhaust passage 8b and the intake passage 8a by the heat absorbing portion of the module 2, and the heat is radiated from the heat generating portion to the air passing through the other of the exhaust passage 8b and the intake passage 8a. Then, heat is exchanged between the air in the exhaust passage 8b and the air in the intake passage 8a.

[0008]

However, in the ventilator using the conventional Peltier module as described above, the Peltier module 2 in the heat exchanger 1 has one control unit connected to the Peltier module 2 in the whole area. For example, when the dehumidified intake air is to be taken into the room 12 during the rainy season, the temperature distribution of the air in the exhaust passage 8b and the intake passage 8a is as shown in FIG.
As shown in FIG. 9, the heat absorbing portion on the side of the intake passage 8a is cooled to a temperature equal to or lower than the dew point temperature to condense and remove the moisture in the air passing through the intake passage 8b. However, due to the cooling during dehumidification, the intake air has been taken in as a wind that is colder than required to keep the room 12 at an appropriate temperature. Here, the horizontal axis in FIG. 19 indicates the positions in the intake passage 8a and the exhaust passage 8b, and the left side indicates the outdoor 13 side and the right side indicates the indoor 12 side.

In such a ventilating apparatus, in different operations in winter, rainy season, summer, etc., the heat generating portion and the heat absorbing portion of the Peltier module 2 from the indoor 12 side to the outdoor 13 side of the exhaust passage 8b and the intake passage 8a. Despite the fact that there is an optimal current value to flow through the Peltier element at each part over
This has led to a reduction in efficiency.

Since the Peltier module 2 and the heat exchange fins 6 are connected via an electrically insulating material such as the ceramic substrate 5 as described above, the thermal resistance between the Peltier module 2 and the heat exchange fins 6 is large. Therefore, it was difficult to perform the heat exchange operation with high efficiency. The present invention has been made in view of the above points, and has as its object to provide a ventilation device that can improve the efficiency of heat exchange.

[0011]

According to a first aspect of the present invention, there is provided a ventilator including an exhaust passage 8b for discharging air, an intake passage 8a for introducing air, and air and an intake passage 8a in the exhaust passage 8b. And a plurality of Peltier modules 2 for exchanging heat between the air inside, and a control unit 10 for independently controlling each Peltier module 2 is connected to each Peltier module 2. Is what you do.

The ventilating apparatus according to a second aspect of the present invention, in addition to the configuration according to the first aspect, includes a plurality of the Peltier modules 2 for decreasing the temperature of the air in the intake passage 8a below the dew point. Control unit 1 for controlling at least one of
0, and a control unit 10 for controlling at least one of the plurality of Peltier modules 2 so as to control the temperature of the air below the dew point in the intake passage 8a. It is.

A third aspect of the present invention is directed to the ventilating apparatus according to the first or second aspect, wherein the intake passage 8a is formed to be inclined. The ventilator according to a fourth aspect of the present invention further includes a moisture moving means 19 for moving moisture between the exhaust passage 8b and the intake passage 8a. It is characterized by becoming.

According to a fifth aspect of the present invention, in addition to any one of the first to fourth aspects, the heat exchange fins 6 having the exhaust passages 8b or the intake passages 8a are connected to the Peltier module 2. And a heat insulating portion 22 is provided between adjacent heat exchange fins 6. Further, in the ventilation device according to claim 6 of the present invention, in addition to the configuration according to any one of claims 1 to 5, the electrode 4 is embedded in the heat exchange fin 6 in which the exhaust passage 8b or the intake passage 8a is formed, A Peltier module 3 is formed by arranging Peltier elements 3 on the electrodes 4 and electrically connecting the Peltier elements 3 in series.

[0015]

Embodiments of the present invention will be described below. FIG. 2 shows an example of a Peltier module 2. First, a Peltier element 3 is connected in series with an electrode 4. Here, as the Peltier element 3, an N-type semiconductor Peltier element 3a and a p-type semiconductor Peltier element 3b are used.
FIG. 2A shows a substrate 5 made of an electric insulator such as ceramics in which the upper and lower surfaces of a Peltier element 3a of a p-type semiconductor and a Peltier element 3b of a p-type semiconductor are alternately connected and arranged by electrodes 4. As shown in FIG. 2B, the Peltier module 2 is formed by attaching between the surfaces of the electrodes 4 on the upper surface and attaching between the surfaces of the electrodes 4 on the lower surface as shown in FIG. In this Peltier module 2, when one of the electrodes 4 and the substrate 5 becomes a heat-absorbing part depending on the direction of energization to the electrode 4, the other electrode 4
When the one electrode 4 and the substrate 5 become a heat generating part, the other electrode 4 and the substrate 5 become a heat absorbing part.

The heat exchange fins 6 are formed in a box shape having both ends opened, and the inside thereof is partitioned by providing a plurality of fin portions 7 extending from one end to the other end of the heat exchange fins 6. A plurality of air passages 8 communicating with the openings may be formed between adjacent fin portions 7. Then, by connecting the heat exchange fins 6 to the respective boards 5 of the Peltier module 2, parallel air passages 8 are formed on the upper and lower sides of the Peltier module 2, and the heat exchanger 1 as shown in FIG. 3 is formed. You.

As shown in FIGS. 4 and 5, the Peltier devices 3a, 3a are used without using the substrate 5 made of an electrical insulator.
The heat exchanger 1 can also be formed by directly connecting the electrode 4 connected to b to the heat exchange fins 6. At this time, for example, aluminum can be used as a material of the heat exchange fins 6, and the surface thereof is subjected to an alumite insulating treatment to form an alumite insulating layer 9 to secure insulation. Here, the insulating layer 9 is preferably formed to have a thickness of 5 μm to 60 μm so that sufficient insulating properties can be secured. If the thickness of the insulating layer 9 is less than 5 μm, current conduction may partially occur, and handling becomes very difficult, for example, it is difficult to form the insulating layer 9.
If it exceeds 60 μm, cracks may occur due to the difference in the coefficient of thermal expansion between the insulating layer 9 and the aluminum phase, or the heat resistance of the insulating layer 9 may increase, resulting in poor heat exchange. When the electrode 4 is directly connected to the heat exchange fins 6, FIG.
(A) As shown in FIG.
0 is formed, and the electrode 4 is preferably buried in the recess 20. When burying the electrode 4 in the concave portion 20,
After the silicon resin is applied to the inside, the electrode 4 is inserted into the recess 20 and a silicon resin layer 21 is formed between the inner surface of the recess 20 and the electrode surface as shown in FIG. it can. By doing so, there is no need to provide a substrate 5 made of an electrical insulator such as ceramic between the heat exchange fins 6 and the electrodes 4 to insulate them. The resistance can be reduced, and the contact area between the electrode 4 and the heat exchange fin 6 becomes larger than when the electrode 4 is provided on the surface of the heat exchange fin 6, so that the heat conduction between the electrode 4 and the heat exchange fin 6 is improved. Efficiency is improved.

FIG. 1 shows an embodiment of the present invention. The outer wall 14 of the house 11 is changed from the indoor 12 to the outdoor 13
A plurality (three in FIG. 1) of heat exchangers 1 are arranged so as to penetrate through. Here, each heat exchanger 1 has an outer wall 1
4, heat exchange fins 6 arranged in series in the thickness direction.
The air passages 8 of the heat exchange fins 6 communicate with the indoor 12 side and the outdoor 13 side of the house 11. Here, the air passage 8 of the heat exchange fins 6 arranged below the plurality of Peltier modules 2 is formed as an intake passage 8a, and the air passage 8 of the heat exchange fins 6 arranged above is formed as an exhaust passage 8b. The Peltier modules 2 are arranged along the flow direction of air sucked and exhausted through the intake passage 8a and the exhaust passage 8b. In the air passage 8, fans 17 are provided, each facing the outside 13 and driven to rotate by a motor. Further, an independent control unit 10 for controlling the direction and amount of current flowing through the Peltier module 2 is electrically connected to the Peltier module 2 of each heat exchanger 1. The control unit 10 is provided with a power supply and a control circuit so that each Peltier module 2 can operate independently of each other.

When operating such a ventilation device, the fan 17 in the exhaust passage 8b is operated to discharge the air in the indoor 12 to the outdoor 13 through the exhaust passage 8b, and the fan 17 in the intake passage 8a is The operation is performed so that the air outside 13 is introduced into the inside 12 through the intake passage 8a, and a current is supplied from the control unit 10 to the Peltier module 2 of each heat exchanger 1 so that the air passage of each heat exchange fin 6 is changed. It heats or cools the passing air. The operation of the ventilator will be described below.

FIG. 6 shows the operation of the ventilator shown in FIG. 1 in winter. In this case, a plurality (FIGS. 1 and 6)
In each of the three heat exchangers 1, each control unit is configured such that the side facing the exhaust passage 8 b of all the Peltier modules 2 becomes a heat absorbing unit, and the side facing the intake passage 8 a of the Peltier module 2 becomes a heat generating unit. At 10, the direction of power supply to the Peltier module 2 is set. And the heated indoor 1
When the warm air passes through the exhaust passage 8b of the heat exchanger 1, the heat of the air is absorbed by the heat absorbing portion of the Peltier module 2, and the absorbed heat is radiated from the heat generating portion of the Peltier module 2. When the cold air outside 13 passes through the intake passage 8a, the air is heated by the heat generating portion. At this time, the temperatures of the air in the exhaust passage 8b and the air in the intake passage 8a are as shown in FIG.
The air passing through the inside is continuously cooled from the indoor 12 side to the outdoor 13 side, and the air passing through the intake passage 8a is continuously heated from the outdoor 13 side to the indoor 12 side. Here, the horizontal axis in FIG. 15 shows the positions in the exhaust passage 8b and the intake passage 8a, the left side is the outdoor 13 side, and the right side is the indoor 1 side.
Two sides. The regions indicated by a, b, and c are:
The three heat exchangers 1a, 1b, and 1c arranged from the outdoor 13 side to the indoor 12 side are in the exhaust passage 8b and the intake passage 8a, respectively.

As described above, the heat exchanger 1 exchanges heat between the warm air in the room 12 passing through the exhaust passage 8b and the cool air in the room 13 passing through the intake passage 8a. When the indoor 12 is ventilated with fresh air outside 13, it is possible to prevent the heating efficiency of the indoor 12 from being reduced.

FIG. 7 shows how the ventilation system shown in FIG. 1 is used during the rainy season. At this time, the heat exchanger 1 attached to the outdoor 13 side (in FIG.
The side of the Peltier module 2 facing the exhaust passage 8b of the heat exchangers 1a, 1b) serves as a heat generating portion, and the side of the Peltier module 2 facing the intake passage 8a serves as a heat absorbing portion, and at least one heat exchanger 1a. (In FIG. 7, the heat exchanger 1
In each control unit 10 connected to the Peltier module 2, power is supplied to the Peltier module 2 so that the temperature of the heat exchange fins 6 forming the intake passage 8a of b) is set to be equal to or lower than the dew point of the air outside 13. Of the Peltier module 2 of the heat exchanger 1 (the heat exchanger 1c on the indoor 13 side in FIG. 7) attached to the indoor 12 side is a heat absorbing portion. The side facing the intake passage 8a of the Peltier module 2 becomes a heat generating part, and the heat exchanger 1 attached to the indoor 12 side
The control section 10 connected to the Peltier module 2 controls the Peltier module 2 so that the air outside 13 that has passed through the intake passage 8b is heated up to near the temperature of the interior 12.
The direction and amount of energization of the power supply are set. Then, the air in the outdoor 13 flows from the intake passage 8a to the heat exchanger 1 on the outdoor 13 side.
When the air passes through the air intake passage 8a of the Peltier module 2, the heat of the air is absorbed by the heat absorbing portion of the Peltier module 2, and the absorbed heat is radiated from the heat generating portion of the Peltier module 2 so that the air Is the exhaust passage 8 of the heat exchanger 1c
b to the exhaust path 8b of the heat exchanger 1a, 1b on the outdoor 13 side
This air is heated by the heat-generating part when passing through
The moisture (humidity) in the air of the third is the heat exchanger 1 on the outdoor 13 side.
Water droplets 18 are formed in the intake passage 8a of FIGS. Further, when the air in the indoor 12 passes from the exhaust passage 8b of the heat exchangers 1a and 1b to the exhaust passage 8b of the heat exchanger 1c on the indoor 12 side, the heat of the air is absorbed by the heat absorbing portion of the Peltier module 2. At the same time, the absorbed heat is radiated from the heat generating portion of the Peltier module 2, and the air outside 13 passes through the intake passage 8 a of the heat exchanger 1 c on the indoor 12 side from the intake passage 8 a of the heat exchangers 1 a and 1 b. Then, this air is heated by the heat generating portion. At this time, the temperatures of the air in the exhaust passage 8b and the air in the intake passage 8a are as shown in FIG.
The air passing through the intake passage 8a is continuously cooled to the dew point or lower from the outdoor 13 side until passing through the heat exchanger 1b, and is continuously heated to approximately room temperature when passing through the heat exchanger 1c. Further, the air passing through the exhaust passage 8b is continuously cooled from the indoor 12 side until passing through the heat exchanger 1c, and is continuously heated when passing through the heat exchangers 1b and 1a.

During the rainy season, a large amount of moisture (humidity) is contained in the air outside 13, and if introduced directly into the indoor 12, the humidity inside the indoor 12 will increase and the comfort will be impaired. As described above, at the time of introducing the air outside 13, at least one of the plurality of Peltier modules 2 is controlled by the control unit 10 so as to lower the temperature of the air in the intake passage 8 a below the dew point. Moisture (moisture) can be dehumidified by dew condensation in the intake passage 8a of the heat exchangers 1a and 1b on the outdoor 13 side.
If the air outside 13 cooled below the dew point is directly introduced into the indoor 12, cool air will be introduced into the indoor 12. However, the air below the dew point in the intake passage 8 a is heated to near the indoor 13 temperature. By controlling at least one of the plurality of Peltier modules 2 by the control unit 10 so as to control the temperature, the air outside 13 is passed through the intake passage 8a to be controlled to a comfortable temperature, and then the indoor 12 is controlled. Can be introduced.

FIG. 8 shows the summer operation of the ventilation system shown in FIG. At this time, a plurality (FIGS. 1 and 8)
All 3 Peltier modules 2 of the heat exchanger 1
Each of the control units 10 connected to the Peltier module 2 is configured such that the side facing the exhaust passage 8b of the Peltier module 2 is a heat generating unit, and the side of the Peltier module 2 facing the intake passage 8a is a heat absorbing unit.
Sets the direction and amount of power to the Peltier module 2. Here, in the embodiment shown in FIG. 8, the heat exchange fins forming the intake passage 8a of at least one of the heat exchangers 1 (the heat exchangers 1a and 1b in FIG. 8) on the outdoor 13 side. Each control unit 10 is connected to the electrode 4 of the Peltier module 2 so that
The amount of electricity supplied to the Peltier module 2 is set, and the temperature of the heat exchange fins 6 forming the intake passage 8a of the heat exchanger 1c on the indoor 12 side is reduced, and the air outside 13 reaching the dew point is cooled. The control unit 10 sets the amount of electricity to be supplied to the Peltier module 2 so that the temperature is further cooled to near the indoor temperature, and the Peltier module 2 of the heat exchangers 1a and 1b on the outdoor 13 side and the indoor 12 side Heat exchanger 1c of the Peltier module 2 operates differently. Then, the hot air outside 13 is taken into the intake passage 8a.
When the air passes through the intake passages 8a of the heat exchangers 1a and 1b on the outdoor 13 side, the heat of this air is absorbed by the heat absorbing portion of the Peltier module 2, so that the air in the intake passage 8a is cooled and the air in the intake passage 8a is cooled. The moisture (humidity) of the air in the intake passage 8
Water droplets 18 are formed in the space a. Then, the air outside 13 passes through the intake passage 8a of the heat exchangers 1a and 1b on the outside 13 side, and then passes through the intake passage 8a of the heat exchanger 1c on the indoor 12 side.
, The air is further cooled to the vicinity of the temperature of the room 12 being cooled. The heat absorbed from the heat absorbing portion is radiated from the heat generating portion of the Peltier module 2 into the exhaust passage 8b. When the cold air in the indoor 12 passes through the exhaust passage 8b, the heat is received and discharged to the outside 13. . The temperature of the air in the exhaust passage 8b and the air in the intake passage 8a at this time is as shown in FIG.
The air passing through the intake passage 8a is continuously cooled to the dew point or lower until it passes through the two heat exchangers 1a and 1b on the outdoor 13 side, and is continuously cooled when passing through the heat exchanger 1c. It is cooled down to the indoor 12 temperature which is almost air-conditioned. The air passing through the exhaust passage 8b is supplied to the heat exchanger 1 on the indoor 12 side.
c, and is further heated when passing through the heat exchangers 1b, 1a on the outdoor 13 side.

As described above, the heat exchanger 1 exchanges heat between the cold air in the indoor room 12 passing through the exhaust passage 8b and the hot air in the outdoor room 13 passing through the intake passage 8a. It is introduced into the indoor 12 from the passage 16a, and when the indoor 12 is ventilated with fresh air outside 13, the cooling efficiency of the indoor 12 can be prevented from lowering. In addition, a large amount of moisture (humidity) is contained in the air outside 13 in the summer, and if the air is introduced into the indoor 12 as it is, the humidity inside the indoor 12 becomes high and the comfort is impaired. When introducing the air, the moisture (humidity) in the air is removed by the intake passage 8a of the heat exchanger 1.
It can be dehumidified by dew condensation inside.

As described above, in the ventilating apparatus of the present invention, heat is exchanged between the air in the room 12 passing through the exhaust passage 8b and the air in the outside 13 passing through the intake passage 8a. In the winter, the air outside 13 can be warmed and introduced into the indoor 12, and in the summer, the air outside 13 can be cooled and dehumidified and introduced into the indoor 12. Ventilation can be performed without lowering the efficiency of heating and cooling of the Peltier module 2. In the heat exchanger 1 using the Peltier module 2, the amount of heat exchange is adjusted by adjusting the amount of electricity supplied to the Peltier module 2. The temperature of the air introduced into the indoor 12 can be adjusted to adjust the temperature of the indoor 12, and the exhaust passage 8 b or the intake passage 8 can be adjusted.
a, by controlling the temperature of the heat exchange fins 6 forming the a to be equal to or lower than the dew point, to condense and dehumidify the moisture in the air passing through the exhaust passage 8b or the intake passage 8a.
The independent control unit 10 allows the plurality of Peltier modules 2 to perform different operations, thereby
By changing the distributions of the heat generation amount and the heat absorption amount in the exhaust passage 8a and the exhaust passage 8b, the temperature distribution of the air in the intake passage 8a and the exhaust passage 8b is changed at different times such as winter, rainy season, and summer. In order to efficiently control the temperature and humidity of the air introduced into the room 12, the temperature can be controlled so as to have an optimum temperature distribution.

The independent heat exchanger 1 using the Peltier module 2 is arranged with a gap provided between adjacent heat exchange fins 6 to form a heat insulating portion 22. When causing the modules 2 to perform different operations, it is possible to suppress the occurrence of interference between heat generation and heat absorption in a portion where the Peltier module 2 and the heat exchange fins 6 performing different operations are adjacent to each other, and the exhaust passage 8b and the intake passage 8a It is possible to easily control the temperature distribution of the air inside.

In the ventilating apparatus shown in FIGS. 9 to 11, one air passage 8 of the heat exchanger 1 is arranged above the other air passage 8, and the heat exchanger 1 (FIGS.
1, the heat exchangers 1a and 1b) are moved from the outdoor 13 side to the indoor 12 side.
The heat exchanger 1 on the indoor 12 side (the heat exchanger 1c in FIGS. 9 to 11) is provided to be inclined upward from the outdoor 13 side to the indoor 12 side. Accordingly, the air passage 8 on the outdoor 13 side is
It is arranged to be inclined downward from the side toward the indoor 12 side,
The air passage 8 on the indoor 12 side is arranged to be inclined upward from the outdoor 13 side to the indoor 12 side. Further, between the heat exchangers 1 arranged at different inclinations (between the heat exchangers 1b and 1c in FIGS. 9 to 11), the lower part of the upper air passage 8 and the upper part of the lower air passage 8 are arranged. In addition, there is provided a water transfer means 19 formed of a material such as a nonwoven fabric, a hygroscopic paper, a sponge or the like, which can transfer water by capillary action or the like. Also, by controlling the rotation direction of the fan 17,
The upper air passage 8 can be an exhaust passage 8b and the lower air passage 8 can be an intake passage 8a, or the lower air passage 8 can be an exhaust passage 8b and the upper air passage 8 can be an intake passage 8a. . Other configurations are the same as those of the ventilator shown in FIG.

FIG. 9 shows the operation of the above-described ventilator in winter. At this time, the rotation of the fan 17 is controlled so that the upper air passage 8 is used as the exhaust passage 8b and the lower air passage 8 is used as the intake passage 8a. 6 is controlled in the same manner as in the winter operation shown in FIG. 6, and the temperature of the air in the exhaust passage 8b and the intake passage 8a is controlled in the same manner as in the winter operation of the ventilation device shown in FIG. It becomes as shown in. In this case, the temperature of the heat exchange fins 6 forming the exhaust passage 8b is cooled to a temperature equal to or lower than the dew point, and moisture in the air in the exhaust passage 8b causes dew condensation to form water droplets 18. The water droplets 18 easily reach the intersections of the exhaust passages 8b having different inclinations along the inclination of the exhaust passages 8b, and are arranged at the intersections of the exhaust passages 8b having the different inclinations. The water moves to the intake passage 8a via the moisture transfer means 19 and evaporates in the intake passage 8a.
The air taken in from 3 absorbs moisture and the humidity is increased. During the heating in winter, the air inside 12 is humidified and the humidity is increased, and the air outside 13 is dry,
Although the humidity of the air outside 13 is low, the fresh air of the outside 13 is introduced into the indoor 12 in such a state where the humidity is increased, so that ventilation can be performed without causing a large change in the humidity of the indoor 12. Can be done.

FIG. 10 shows the operation of the above-described ventilator during the rainy season. At this time, the rotation of the fan 17 is controlled so that the upper air passage 8 serves as the intake passage 8a and the lower air passage 8 serves as the exhaust passage 8b, and the Peltier module 2 of each heat exchanger 1 Is controlled similarly to the operation in the rainy season shown in FIG. 7, and the temperature of the air in the exhaust passage 8b and the intake passage 8a is
The operation of the ventilator shown in FIG. 1 in the rainy season shown in FIG. 7 is as shown in FIG. In this case, as in the case of the ventilator shown in FIG. 1, moisture in the air in the intake passage 8a of the heat exchange fins 6 causes condensation to form water droplets 18, but the intake passage 8a is inclined as described above. Therefore, the water droplet 18 easily reaches the portion where the intake passages 8a having different inclinations intersect along the inclination of the intake passage 8a, and is disposed at the portion where the intake passages 8a having the different inclinations intersect. It moves to the exhaust passage 8b via the moisture transfer means 19 and evaporates in the exhaust passage 8b, and the indoor 1
The air exhausted from 2 absorbs moisture to increase the humidity. For this reason, water droplets 18 generated in the intake passage 8a of the heat exchange fins 6 when the air outside the outdoor 13 is dehumidified and then introduced into the indoor 12 can be easily removed to the outdoor 13.

FIG. 11 shows the operation of the above-described ventilator in summer. At this time, the rotation of the fan 17 is controlled so that the upper air passage 8 is used as the intake passage 8a and the lower air passage 8 is used as the exhaust passage 8b as in the rainy season, and the Peltier module of each heat exchanger 1 is used. 2 is controlled in the same manner as the operation of the ventilator shown in FIG. 1 in the summertime shown in FIG. 8, and the temperatures of the air in the exhaust passage 8b and the intake passage 8a are shown in FIG. FIG. 17 is similar to the operation in summer. In this case, as in the case of the ventilator shown in FIG. 4, dew condensation occurs on the intake passage 8a of the heat exchange fins 6 and water droplets 18 are generated. However, since the intake passage 8a is inclined as described above, FIG.
Similarly to the case shown in FIG. 0, the water droplet 18 easily reaches the portion where the intake passages 8a having different inclinations intersect along the inclination of the intake passage 8a, and is arranged at the portion where the intake passages 8a having the different inclinations intersect. The air moves to the exhaust passage 8b via the moisture transfer means 19 and evaporates in the exhaust passage 8b, and the air exhausted from the indoor 12 absorbs moisture and the humidity is increased. Therefore, when the air in the outdoor 13 is dehumidified and introduced into the indoor 12, the intake passage 8 a of the heat exchange fin 6
Can be easily removed to the outside 13.

As described above, the ventilator shown in FIGS. 9 to 11 is provided with the moisture moving means for moving moisture between the air in the exhaust passage 8b and the air in the intake passage 8a. The moisture in the indoor 13 passing through the indoor 1 and the outdoor 13 passing through the intake passage 8a are moved from the higher humidity to the lower humidity so that the air in the outdoor 13
2, and in winter, the humidity of the air outside 13 is increased and introduced into the indoor 12, and the indoor 1
2 can perform ventilation without large fluctuations in the humidity of the air. In the rainy season or summer, moisture condensed in the intake passage 8a moves to the exhaust passage 8b and is exhausted to the outside 13 The air can be exhausted by increasing the humidity of the air, and the condensed water droplets 18 in the intake passage 8a are removed from the outside 13
Can be discharged to

Further, since the exhaust passage 8b and the intake passage 8a have a structure having an inclination, water droplets condensed in the exhaust passage 8b or the intake passage 8a can be moved along the inclination and collected at one place. In addition, by collecting the moisture in the moisture moving means 19, the movement of the moisture between the intake passage 8a and the exhaust passage 8b can be efficiently performed.

The ventilator shown in FIGS. 12 to 14 has a plurality (three in FIGS. 12 to 14) of heat exchangers 1 arranged in series in the outer wall 14 in the vertical direction. Each air passage 8 of the arranged heat exchanger 1a is connected to the outdoor 1
3 is connected to a ventilation passage 15 opening to the outside. Each air passage 8 of the heat exchanger 1c disposed at the uppermost position
It is connected to a ventilation passage 16 that opens to 2. That is, in the plurality of heat exchangers 1, the Peltier modules are arranged in series in the vertical direction, and the air passages 8 communicate with each other in the vertical direction, and communicate with the outdoor 13 and the indoor 12. Further, the moisture transfer means 19 is provided below the heat exchanger 1a attached to the opening side closest to the outdoor 13 from the side of one air passage 8 to the side of the other air passage 8. . Other configurations are the same as those of the ventilator shown in FIG.

FIG. 12 shows the operation in winter. At this time, the Peltier module 2 of each heat exchanger 1 is controlled in the same manner as the operation of the ventilator shown in FIG. 1 in use shown in FIG. 6, and the temperature of the air in the exhaust passage 8b and the air in the intake passage 8a becomes The use of the ventilator shown in FIG. 1 in the winter season shown in FIG. 8 is as shown in FIG. in this case,
As in the case of the ventilator shown in FIG. 1, water in the air in the exhaust passage 8b of the heat exchange fins 6 is condensed to form water droplets 18, which are condensed into the vertical exhaust passage 8b.
It moves down inside and easily reaches the water movement means 19,
After moving to the intake passage 8a via the moisture moving means 19, the air taken in from the outside 13 absorbs moisture and the humidity is increased. During the heating in winter, the air in the indoor 12 is humidified and the humidity is increased, and the air in the outdoor 13 is dry, and the humidity of the air in the outdoor 13 is low. By introducing fresh air outside 13 into the indoor 12, ventilation can be performed without causing a significant change in humidity inside the indoor 12.

FIG. 13 shows the operation of the above-described ventilator during the rainy season. At this time, each heat exchanger 1
The Peltier module 2 is controlled in the same manner as the operation of the ventilator shown in FIG. 1 during the rainy season shown in FIG. 7, and the temperature of the air in the exhaust passage 8b and the intake passage 8a is controlled by the rainy season of the ventilator shown in FIG. FIG. 16 is similar to the operation at the timing. In this case, as in the case of the ventilator shown in FIG. 1, moisture in the air in the intake passage 8 a of the heat exchange fins 6 causes dew condensation to form water droplets 18. The air moves downward in the vertical intake passage 8a and easily reaches the moisture moving means 19, moves to the exhaust passage 8b via the water moving means 19, and the air exhausted from the indoor 12 absorbs moisture and the humidity is reduced. Enhanced. For this reason, when dehumidifying the air outside 13 and introducing it into the interior 12, the moisture condensed on the intake passage 8 a of the heat exchange fins 6 can be easily removed.

FIG. 14 shows the operation of the above-described ventilator in summer. At this time, the Peltier module 2 of each heat exchanger 1 is controlled in the same manner as the operation of the ventilator shown in FIG. 1 in the summertime shown in FIG. 8, and the temperatures of the air in the exhaust passage 8b and the intake passage 8a are: FIG. 17 is similar to the operation of the ventilator shown in FIG. 1 in summer.
In this case, as in the case of the ventilator shown in FIG. 1, moisture in the air in the intake passage 8 a of the heat exchange fins 6 causes dew condensation to form water droplets 18. The air moves downward in the vertical intake passage 8a and easily reaches the moisture moving means 19, moves to the exhaust passage 8b via the water moving means 19, and the air exhausted from the indoor 12 absorbs moisture and the humidity is reduced. Enhanced. Therefore, when the air outside the outdoor 13 is dehumidified and then introduced into the indoor 12, the moisture condensed in the intake passage 8 a of the heat exchange fin 6 can be easily removed.

As described above, in the ventilators shown in FIGS. 12 to 14, since the exhaust passage 8b and the intake passage 8a are vertically arranged, the water droplet 18 condensed in the exhaust passage 8b or the intake passage 8a is formed along the slope. The water can be moved and collected in one place. By collecting the water in the water moving means 19, the water can be more efficiently moved between the intake passage 8a and the exhaust passage 8b. You can do it.

[0039]

As described above, the ventilating apparatus according to the first aspect of the present invention has an exhaust passage for discharging air, an intake passage for introducing air, air in the exhaust passage, and air in the intake passage. A plurality of Peltier modules for exchanging heat between the Peltier modules, and a control unit for independently controlling each Peltier module is connected to each Peltier module. Heat can be exchanged between the outdoor air passing through the passage and the outdoor air can be introduced indoors. In winter, the outdoor air is heated and introduced indoors, and in summer, Air can be cooled and introduced indoors, and ventilation can be performed without reducing the efficiency of indoor heating and cooling,
The amount of heat exchange can be adjusted by adjusting the amount of electricity supplied to the Peltier module, and the temperature of the air introduced indoors can be adjusted to adjust the indoor temperature. By controlling the temperature in the passage or the intake passage below the dew point, moisture in the air passing through the exhaust passage or the intake passage can be dew-condensed and dehumidified. By causing the Peltier module to operate differently, the distribution of heat generation and heat absorption in the intake passage and the exhaust passage is changed, and the temperature distribution of air in the intake passage and the exhaust passage is changed in winter, rainy season, summer, etc. At different times, it is possible to control the temperature and humidity of the air introduced indoors during ventilation so as to have an optimal temperature distribution for efficient control.

A ventilating apparatus according to a second aspect of the present invention includes a control unit for controlling at least one of the plurality of Peltier modules so as to lower the temperature of the air in the intake passage below the dew point; A control unit for controlling at least one of the plurality of Peltier modules so as to control the temperature of the air below the dew point temperature in the passage, so that the air is introduced into the intake passage during summer or rainy season. By lowering the temperature of the humid air below the dew point, the moisture in the air is condensed and dehumidified.After that, the temperature can be adjusted to an appropriate temperature and then introduced indoors. In this way, the air cooled when the moisture in the air is condensed and dehumidified is introduced into the room as it is to prevent the room from being cooled more than necessary.

In the ventilating apparatus according to the third aspect of the present invention, since the intake passage is formed to be inclined, water droplets formed by condensation of moisture in the air in the intake passage are moved along the inclination. Can be gathered in several places. Further, the ventilating apparatus according to claim 4 of the present invention includes a moisture moving means for moving moisture between the exhaust passage and the intake passage, so that the indoor air passing through the exhaust passage and the outdoor air passing through the intake passage. Moisture can be transferred from the high humidity to the low humidity between the air and the outdoor air to move indoors.In winter, the humidity of the outdoor air is increased and introduced indoors. It can provide ventilation without large fluctuations in indoor air humidity, and in the rainy season or summertime, water droplets formed by condensation of moisture in the air in the intake passage move into the exhaust passage. Thus, the humidity of the air exhausted to the outside can be increased and the air can be exhausted, and water droplets generated by condensation in the intake passage can be discharged to the outside.

In the ventilating apparatus according to the fifth aspect of the present invention, a heat exchange fin having an exhaust passage or an intake passage is provided in a Peltier module, and a heat insulating portion is provided between adjacent heat exchange fins. When causing the Peltier modules to perform different operations, it is possible to suppress the occurrence of interference between heat generation and heat absorption in adjacent portions of the Peltier modules that perform different operations, and to reduce the temperature of the air inside the exhaust passage and the intake passage. The distribution can be easily controlled. The ventilating device according to claim 6 of the present invention,
An electrode is embedded in the heat exchange fin in which the exhaust passage or the intake passage is formed, a Peltier element is arranged in this electrode, and each Peltier element is electrically connected in series to form a Peltier module. There is no need to provide a substrate made of an electrical insulator such as ceramics between the electrodes to insulate them, and to reduce the thermal resistance between the electrodes and the heat exchange fins, and to reduce the heat resistance between the electrodes and the heat exchange fins. This increases the contact area and improves the heat transfer efficiency between the electrode and the heat exchange fin.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view illustrating an example of an embodiment of the present invention.

FIG. 2A is a perspective view showing an example of a Peltier module before completion without mounting a substrate on the upper surface, and FIG. 2B is a perspective view showing a Peltier module after completion with mounting the substrate on the upper surface.

FIG. 3 is a perspective view showing an example of a heat exchanger.

FIG. 4 is a perspective view showing another example of the heat exchanger.

FIG. 5A is a sectional view of the same, and FIG. 5B is an enlarged view of a part of FIG.

FIG. 6 is a cross-sectional view showing an operation of the example of the embodiment of the present invention shown in FIG.

FIG. 7 is a sectional view showing another operation of the above.

FIG. 8 is a sectional view showing still another operation of the above.

FIG. 9 is a cross-sectional view showing the operation of another example of the embodiment of the present invention.

FIG. 10 is a sectional view showing another operation of the above.

FIG. 11 is a sectional view showing still another operation of the above.

FIG. 12 is a sectional view showing the operation of still another example of the embodiment of the present invention.

FIG. 13 is a sectional view showing another operation of the above.

FIG. 14 is a sectional view showing still another operation of the above.

FIG. 15 shows the operation of the ventilation device of the present invention in winter.
5 is a graph illustrating an example of a temperature distribution of air in an exhaust passage and an intake passage.

FIG. 16 is a graph showing an example of the temperature distribution of air in the exhaust passage and the intake passage in the operation of the ventilation device of the present invention during the rainy season.

FIG. 17 shows the operation of the ventilation device of the present invention in summer.
5 is a graph illustrating an example of a temperature distribution of air in an exhaust passage and an intake passage.

FIG. 18 is a sectional view showing an example of a conventional ventilation device.

FIG. 19 is a graph showing an example of a temperature distribution of air in an exhaust passage and an intake passage in an operation of the above ventilation device in a rainy season.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heat exchanger 2 Peltier module 3 Peltier element 8a Intake passage 8b Exhaust passage 10 Control part 19 Moisture transfer means 22 Heat insulation part

Claims (6)

[Claims] An exhaust passage for discharging air, an intake passage for introducing air, and a plurality of Peltier modules for exchanging heat between air in the exhaust passage and air in the intake passage. A ventilator, wherein a control unit for controlling each module independently is connected to each Peltier module. 2. A control unit for controlling at least one of the plurality of Peltier modules so as to lower the temperature of the air in the intake passage below the dew point, and controlling the temperature of the air in the intake passage below the dew point. The ventilation device according to claim 1, further comprising a control unit configured to control at least one of the plurality of Peltier modules. 3. The ventilation device according to claim 1, wherein the intake passage is formed to be inclined. 4. The ventilator according to claim 1, further comprising a water moving means for moving water between the exhaust passage and the intake passage. 5. The heat exchange fin having an exhaust passage or an intake passage formed in a Peltier module, and a heat insulating portion provided between adjacent heat exchange fins. A ventilator according to claim 1. 6. An electrode is buried in a heat exchange fin in which an exhaust passage or an intake passage is formed, a Peltier element is arranged in the electrode, and each Peltier element is electrically connected in series to form a Peltier module. The ventilation device according to any one of claims 1 to 5, wherein the ventilation device comprises: