JP3534725B2 - High efficiency heat recovery type window and air conditioning management method in building using the same - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a technique capable of effectively recovering heat from sunlight or the like through a window to significantly reduce an indoor cooling load, thereby effectively contributing to energy saving.

[0002]

Kasahara, one of the inventors of the present invention, has already proposed a heat recovery type sash in order to reduce the indoor cooling load of a building to save energy. For example, in Japanese Examined Patent Publication No. 1-27234, an indoor shoji made of a translucent material such as a glass plate is provided on the indoor side of an opening frame provided at the opening of a building, and heat is provided on the outside of the opening frame. A configuration in which an external shoji screen made of a highly reflective material is provided is disclosed. The passage provided between the inner shoji screen and the outer shoji screen is configured to allow passage of indoor air taken in through a vent provided between the inner shoji screen and the shoji frame of the inner shoji screen.

With such a structure, in the heat recovery sash proposed by Kasahara et al., For example, in winter, when the outside of the room is exposed to sunlight, it passes between the translucent inner shoji and outer shoji. It is said that the heated indoor air is warmed by sunlight, and the warmed indoor air is circulated to the cooling / heating heat converter via the duct provided above the passage, thereby further improving cooling / heating efficiency.

Further, the internal shoji is constructed to be openable and closable inside the room, and when opened, the opening of the vent provided between the internal shoji and the shoji frame becomes large, so that the indoor air is directed to the duct side above the passage. It is said that the gas is not discharged, and most of it can be recycled to the indoor side.

Further, in the passage, there is provided a blind which is openable and closable so that the outside light can be taken in and adjusted to the inside of the room, and the replacement and cleaning of the blind can be performed with the inner shoji door open. It has become. Various improvements and modifications based on the basic configuration are also disclosed in Japanese Patent Publication No. 1-2735.
Japanese Patent Publication, Japanese Patent Publication No. 2-61598, Japanese Patent Publication No. 62-4
No. 8142 is disclosed.

[0006]

As described above, some of the heat recovery type sashes invented by one of the inventors, Kasahara, have a remarkably high heat recovery rate as compared with the conventional sashes. It has been implemented in construction and it has been proved that its energy saving effect is remarkably excellent.

However, the present inventors have wondered whether the efficiency of heat recovery can be further improved while effectively maintaining such a basic structure.

It is an object of the present invention to provide a heat recovery window having a much higher heat recovery efficiency than existing ones.

[0009]

The high efficiency heat recovery type window of the present invention comprises a pair of vacuum glasses fitted in a window frame through a glazing channel with a vacuum layer interposed between the glass and the interior side of the window. The glass provided opposite to the vacuum paired glass so as to be opened in the room, and the room air provided in the ventilation space for passing the room air interposed between the vacuum paired glass, and the room air provided by the temperature sensor provided in the room. Is
If the temperature exceeds the reference temperature set for
And a blind that automatically controls opening and closing so as to suppress the incidence of light .

The blind is characterized in that a photothermal reflection material is provided on the blind surface. The vacuum pair glass is characterized in that a photothermal reflection material is provided in the light transmitting range. The present invention is a method for air conditioning management in a building using a high efficiency heat recovery window, wherein the high efficiency heat recovery window has a first transparent member such as glass laminated through a vacuum layer. Between the vacuum translucent member, a second translucent member such as glass provided facing the vacuum translucent member, and between the vacuum translucent member and the second translucent member. An indoor side formed in a window having a ventilation space interposed therethrough for passing indoor air and a blind provided in the ventilation space, and adjusting the opening / closing of the blind in correspondence with the high efficiency heat recovery window. Information from the illuminance sensor that detects the brightness of the, and the temperature of the indoor air flowing into the ventilation space
It is characterized in that it is automatically performed based on the information from the temperature sensor for detection . In this configuration, the ventilation space,
Direct the indoor air to the exhaust port outside the building or to the air conditioner side
Operate the variable damper in the duct based on the temperature of the internal air.
It is connected to an exhaust duct that automatically changes the exhaust direction .

The first of the high-efficiency heat-recovery type windows having the above construction
As the translucent member and the second translucent member,
For example, glass or plastic such as acrylic can be considered. The glass or the like may be made of reflective glass in which aluminum powder or the like is blended. Or iron oxide,
You may comprise in the heat ray absorption glass which blended metal powders, such as cobalt and nickel.

As the vacuum translucent member, for example,
Vacuum paired glass or the like can be used. In the vacuum pair glass, since the vacuum layer is interposed between the glass plates facing each other, the heat transfer effect of the sunlight trying to pass through the vacuum pair glass can be significantly suppressed by the heat insulating effect of the vacuum layer. Therefore, if the high-efficiency heat recovery window of the present invention having the above configuration is provided with the vacuum translucent member side such as vacuum pair glass facing the outdoor side, the solar heat entering the room from the outside will pass through the vacuum layer. It can be suppressed very effectively as compared with the case where a single glass plate is used without using.

In the blind, a photothermal reflection material may be provided on the blind surface. To provide the photothermal reflection material, for example, a commercially available reflective film, a light-shielding film, or a metal foil having a high reflection efficiency such as an aluminum foil,
Alternatively, a stainless steel plate or the like having a glossy surface such as a mirror finish may be attached to the blind surface. Further, the surface may be coated with a coating material such as a photothermal reflection paint.

In addition to the blind, the light-heat reflecting material may be provided in the light-transmitting range of the vacuum light-transmitting member. When using, for example, a vacuum pair glass as the vacuum translucent member, one or both of the glass surfaces facing each other via the vacuum layer, or one or both of the glass surfaces facing each other in the vacuum layer. It is conceivable to provide it on the light-transmitting surface of the glass, or on both the light-transmitting surface outside the glass and the light-transmitting surface of the opposite glass in the vacuum layer.

When providing the light-heat reflecting material, it may be provided in the vacuum layer as described above or in the light-transmitting surface of the glass outside the vacuum layer. Considering the basic function as a window. Unless there are special circumstances such as damage, windows are normally used in the initial state during the life of the building, so even if the photothermal reflective material peels off during many years of use, it can be corrected. As described above, it is more preferable to provide it on the outside of the glass outside the vacuum layer than to provide it inside the vacuum layer.

The opening and closing of the blind is performed in order to adjust the amount of light entering the room, but conventionally, the opening and closing of the blind has been manually performed. However, the present inventors considered that it is preferable to automatically perform opening / closing control by taking the indoor air conditioning load into consideration and using the indoor temperature as a criterion for opening / closing.

For example, if a temperature sensor is provided and the indoor air temperature exceeds a preset reference temperature, the blind is closed to reflect the incident light so that the solar heat is prevented from entering the indoor side. Good.

Further, it is conceivable that the illuminance sensor may be used to open the blind so that the incident light can be taken into the room when the illuminance falls below a preset indoor standard illuminance. At night, the surface provided with the photothermal reflection material may be closed so as to face the indoor side, and the light of the indoor illumination may be reflected to maintain the indoor illuminance bright.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION (Embodiment 1) Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a cross-sectional view of essential parts showing a usage state of the high-efficiency heat recovery window of the present invention.

In the case shown in FIG. 1, the high-efficiency heat recovery type window of the present invention is provided with a vacuum pair glass 10a (10) as the vacuum translucent member 10 and the vacuum translucent member 10 facing each other. The single plate glass 20a (2
0) and the ventilation space 30 provided between the vacuum light-transmissive member 10 and the light-transmissive member 20. Ventilation space 30
A blind 40 that can be opened and closed is provided inside.

In the case shown in FIG. 1, the vacuum pair glass 10a is provided facing the outside of the building, and the vacuum transparent member 1 is provided.
In the state where the vacuum layer 13 is interposed between the two single-plate glasses 11 and 12 as the first light-transmissive member constituting 0.
It is configured to be fitted into the window frame 15 via the glazing channel 14. The window frame 15 is attached to an opening frame 51 provided in an opening portion of the body 50 including the outer wall of the building and the like.

Light-reflecting materials 61 and 62 (indicated by broken lines in the figure) are provided on the glass surfaces of the single glass sheets 11 and 12 in their light transmitting ranges. To provide the photothermal reflection materials 61 and 62, for example, surface coating may be performed using a photothermal reflection paint or the like. Alternatively, a commercially available reflective film may be attached.

In the case shown in FIG. 1, single glass sheets 11 and 1
Although the case where the photothermal reflection materials 61 and 62 are adhered to both outer glass surfaces 2 is shown, it may be applied to either one of the single glass plates 11 and 12. Further, the photothermal reflection materials 61 and 6
The same material may be used for both of the two, or different materials may be used for each. For example, as the photothermal reflection material 62, it is conceivable to use a material having particularly excellent reflection characteristics in the wavelength range of light that is not reflected by the photothermal reflection material 61 and is transmitted to the single plate glass 12.

On the other hand, the second facing the vacuum translucent member 10
As the translucent member 20, the single plate glass 20a (20) is used. The single plate glass 20a is provided so as to face the vacuum paired glass 10a while being fitted in the window frame 21. The upper end side of the window frame 21 is rotatably attached to a horizontally provided rotating shaft 22 via a locking member 23. By pulling the lower side of the window frame 21, it is possible to open the single plate glass 20a as the second light transmissive member 20 to the indoor side.

Since it can be opened to the indoor side in this way, the blind 40 can be easily repaired, replaced and cleaned.

As shown in FIG. 1, an opening 52 is formed between the lower end of the window frame 21 and the opening frame 51.
The opening 52 communicates with the ventilation space 30 formed between the vacuum pair glass 10a and the single sheet glass 20a, and room air can flow into the ventilation space 30 through the opening 52. ing. Above the ventilation space 30,
It communicates with the exhaust duct 53 on the ceiling side.

The exhaust duct 53 is a chamber (not shown).
The indoor air can be exhausted to the exhaust port outside the building or the indoor air can be recirculated to the heat exchanger side such as an air conditioner through the. When the temperature of the room air is equal to or higher than a preset temperature, the thermostat 54 is selected by the thermostat 54 provided at a position of 150 cm above the floor such as the wall on the room B side or the surface of the pillar, for example. May function to activate the variable damper in the duct to automatically change the exhaust direction.

In addition, a blind 40, which can be housed in a blind box 41, is provided in the ventilation space 30 formed between the vacuum pair glass 10a and the single plate glass 20a. In the case shown in FIG. 1, the blind 40 has a plurality of blades 42, and if necessary,
It is configured so that the opening angle of the blade 42 can be changed appropriately.

The blade 42 is provided with a photothermal reflection material 63 on the blade surface 42a as shown by the broken line in FIG. As the photothermal reflection material 63, for example, a metal foil such as an aluminum foil or a stainless steel foil can be used, and the metal foil may be attached to the blade surface 42a. Alternatively, a commercially available reflective film may be attached. Alternatively, the surface may be coated with a photothermal reflection paint or the like.

In the case of the blade 42 shown in FIG. 1, the blade surface 42a provided with the photothermal reflection material 63 faces the outside A side, but the inside B side is adjusted by adjusting the opening angle. It can also be turned. The blade 42 may be opened and closed manually, but in the present embodiment, the blade 42 is automatically opened and closed based on the temperature of the room air passing through the ventilation space 30.

That is, a temperature sensor 43 is provided on a wall surface or a column surface 150 cm above the floor in the room, and when the temperature of the room air flowing into the ventilation space 30 is equal to or higher than a preset temperature, the signal from the temperature sensor 43 is sent. Causes a motor (not shown) provided in the blind box 41 to operate,
The blade surface 42a is automatically directed to the outdoor A side.

When the temperature of the room air flowing into the ventilation space 30 becomes equal to or lower than the set temperature, the signal from the temperature sensor 43 causes the motor to rotate in the reverse direction so that the outside light is taken into the room A side. The opening angle of is changed.

By adopting the high-efficiency heat recovery type window of the present invention having such a configuration as a window of a building, the air conditioning load such as indoor air conditioning can be remarkably reduced as compared with the prior art, and a significant energy saving can be achieved. The effect can be obtained.

For example, in the cooling season such as summer when the cooling is required, the opening 5 formed between the window frame 21 and the fixed frame 51.
When the temperature of the indoor air that has entered the ventilation space 30 from 2 is lower than the outside air temperature, it returns from the exhaust duct 53 to the air conditioner. When the indoor air entering the ventilation space 30 has a temperature higher than the outside air temperature, it is exhausted to the outside of the building through the exhaust duct 53.

In this way, the air conditioning load is reduced by selectively recirculating the room air to the air conditioner or exhausting it to the outside of the building depending on the temperature condition of the room air entering the ventilation space 30. be able to. In particular, in the high-efficiency heat recovery type window of the present invention, since a vacuum translucent member such as vacuum glass is used, unlike the conventional configuration, due to the heat insulation effect of the vacuum layer, the incident solar heat of the air flowing near the window causes The temperature rise can be greatly suppressed, which greatly contributes to reducing the cooling load.

Further, according to the present invention, the light transmitting of the vacuum light transmitting member is performed.
Transmission of incident solar heat by providing a photothermal reflector in the area
Is suppressed. Therefore, the heat insulation effect of the vacuum layer
Therefore, the heat transfer coefficient is reduced to about 1/20 that of general glass.
can do. The heat transfer coefficient of general glass is 5.6 kcal
/ m²Although said to be .hr. ° C, the highly efficient heat recovery type of the present invention
By adopting the window, it becomes the currently known heat recovery type window.
0.25kcal / m ²Reduce heat transfer rate up to .hr. ° C
be able to.

Further, in the present invention, since the photothermal reflection material is provided also on the blind surface, the heat transfer to the room can be further reduced by using such a blind.

A typical average heat load during cooling in the case of the conventional outer window structure is 0.1 JRt (Japan Lefton) /
It is said to be tsubo (equivalent to about 332 kcal / hr. / Tsubo),
By adopting the high-efficiency heat recovery window of the present invention as the outer window of a building, it is possible to save energy up to a cooling load of about 0.03 to 0.02 JRt / tsubo.

Therefore, it is possible to greatly reduce electric power and fuel, and as a result, it is possible to greatly contribute to the reduction of CO _{2 which is} a global environmental problem at present. At the same time, the capacity of the power transformer of the building can be significantly reduced, and the absorption refrigerator can save fuel, and the space of the facility room can be significantly reduced, thus saving space.

The high-efficiency heat recovery type window of the present invention effectively functions for energy saving not only in the cooling season but also in the heating season such as winter when heating is required. That is, the window frame 2
When the temperature of the window surface passing air that has passed through the opening 52 formed between the fixed frame 51 and the fixed frame 51 into the ventilation space 30 is higher than the room temperature, the air passes through the exhaust duct 53 to the air conditioner. By recirculating, the heating load can be reduced.

In this way, the indoor air can be recirculated to keep the indoor temperature control comfortable while reducing the heating load. However, the fresh air outside air is used as a standard ventilation amount of the building (for example, in the case of an office). Must be at least 30 m ³ / person · hr).

In particular, since the highly efficient heat recovery type window of the present invention uses the vacuum translucent member such as vacuum glass, unlike the conventional configuration, the heat insulation effect of the vacuum layer causes the indoor air flowing near the window to flow. It is possible to effectively suppress the radiation of the heat of the outside of the building. In a window receiving heat from sunlight, the ventilation space 30
The room air passing through is warmed by solar radiation and generally tends to rise. Therefore, the heating load can be significantly reduced by causing the temperature of the warmed indoor air to flow back to the air conditioner through the exhaust duct without being released to the outside due to the heat insulation effect of the vacuum layer.

Further, for example, at night time in winter, by directing the blade surface 42a of the blind 40 provided with the photothermal reflection material toward the room B side, the heat radiation from the room is returned to the room B side by reflection and the room temperature. Can also be suppressed. In such a case, the room light based on the room lighting can be reflected, and the effect of keeping the room illuminance bright can be obtained. It leads to the saving of lighting energy.

That is, the high efficiency heat recovery type window of the present invention is
During the heating season, it will perform the heat collection function of collecting incident solar heat and reducing the heating load. At the same time, it also serves as a heat retaining function by suppressing the transfer of heat of warm indoor air to the outside.

Further, in the high-efficiency heat recovery window of the present invention, it is possible to block the outside noise, which is the indoor entrance noise, by the vacuum layer provided on the vacuum translucent member regardless of the time. Although it depends on the degree of vacuum, the thickness of the vacuum layer, etc., generally, at least about 30 to 50 dB of sound insulation characteristics can be obtained with vacuum glass. It can be considered to be effectively applied to buildings such as sideways and highways.

By using the high-efficiency heat recovery window of the present invention, the indoor environment can be maintained at a constant temperature environment irrespective of the environmental changes outside the window. It is also effective to apply to. With the configuration of the present invention, since the indoor air passes through the ventilation space of the high-efficiency heat recovery type window, there is no fear of stagnation, and in normal use, the propagation of viruses and bacteria is not caused by general management. ing.

Further, the high-efficiency heat recovery window of the present invention is not only used as an external window provided between a building and the outside of the building, but also can be reduced in size and weight so that it can be used in various vehicles, aircraft, ships and spacecraft. It can be considered to be applied to vehicles such as and space stations.

(Second Embodiment) In the second embodiment, the case where the air conditioning in the building is managed by computer-controlling the high efficiency heat recovery window of the present invention described in the first embodiment will be described. To do. Fig. 2 shows a control system in the case of applying a high-efficiency heat recovery window to the exterior windows provided on the north, south, east, and west walls of the building to appropriately reduce the air conditioning load of the entire room by computer control to save energy. It is an explanatory view shown.

In FIG. 2, for the sake of explanation, in the center of the building 100,
The case where the air-conditioning management room 110 is provided is shown. An air conditioning management computer is provided in the air conditioning management room 110,
It is possible to intensively open and close the blinds of the high-efficiency heat recovery type windows provided on the north, south, east, and west outer walls of the building 100, adjust the opening angle, and select the exhaust direction of the indoor air discharged from the ventilation space. . The position of the air conditioning management room 110 is
It may be provided not in the room or in the vicinity of the air-conditioned section, but in a remote place.

As shown in FIG. 2, the high-efficiency heat recovery window 200 having the structure described in the first embodiment is provided on the north, south, east, and west walls. Each highly efficient heat recovery window 2
The exhaust duct of 00 is the common duct 31 indicated by the broken line in the figure.
0, and the common duct 310 is connected to the external exhaust port 330 and the air conditioner 400 via the chamber 320. In the common duct 310, a temperature sensor 340 that detects the temperature of the indoor air passing through is provided.

Each high-efficiency heat recovery window 200 is provided with a motor 500 for controlling the opening / closing of blind blades provided in the respective ventilation spaces. A temperature sensor 600 for the indoor air flowing into the ventilation space is provided on the wall or the surface of the pillar on the indoor side. An illuminance sensor 700 for detecting the brightness on the indoor side is also provided on a typical desk in the room.

In such a structure, for example, in the early morning,
By computer control from the computer management room 110 side, the blinds in the north, south, east, and west are opened so that outside light can be taken into the room.

As the sun rises, based on the illuminance information sent from the illuminance sensor 700 provided corresponding to each high-efficiency heat-recovery window 200 to the management computer, the illuminance in the room becomes dazzling. In some cases, the management computer issues a command to the motor 500 to close the blind until the illuminance of the illuminance sensor 700 drops to a preset illuminance. The closing degree of the blinds is individually adjusted according to the position of the high-efficiency heat-recovery windows 200 in the north, south, east, and west.

Although it depends on the installation environment of the building, for example, in an average Japanese regional environment, for example, the blinds on the east side are automatically generated in the morning when the sun rises, and the blinds on the west side are automatically set in the evening when the sun sets. It will be controlled to close. The blinds may be automatically opened and closed continuously as the sun rises. If necessary, a solar tracking device may be provided on the roof, and the motor 500 may be controlled so that the opening / closing adjustment of the blind can be performed from the management computer based on the tracking information.

At the same time, the temperature sensor 600 detects the temperature of the indoor air whose temperature has been adjusted by indoor air conditioning, and sends the temperature information to the management computer. The management computer compares the temperature of the indoor air with the outside temperature, and during the cooling period, the damper in the duct was switched on the side where the indoor air was lower than the outside temperature and passed through the common duct 310. The indoor air is returned to the air conditioner 400 to reduce the air conditioning load. Such adjustment may be performed independently for each of the high-efficiency heat recovery windows 200 provided in the north, south, east, and west.

During the heating period, the temperature of the indoor air (air passing through the window) that has passed through the ventilation space is detected by the temperature sensor 340 provided in the common duct 310, and if this indoor air is higher than room temperature, The heating load may be reduced by returning the indoor air to the air conditioner. It is preferable to confirm the temperature of the indoor air because the temperature can be grasped as a whole, as compared with the case where the temperature of each high efficiency heat recovery window is used.

In the management computer, the blinds are opened / closed and the indoor air is exhausted or recirculated according to the environmental conditions such as the amount of solar radiation, wind direction and temperature in the location environment of the building. A program that minimizes the air conditioning load may be input, and the opening and closing of the blinds of the highly efficient heat recovery window of the building may be controlled based on the program.

In the basic control by such a program, an illuminance sensor provided corresponding to the high efficiency heat recovery type window,
It suffices to perform the control suitable for the actual situation while automatically correcting the basic control based on the information on the actual situation from the temperature sensor.

The present invention is not limited to the description of the above embodiment, and various changes may be made without departing from the spirit of the present invention.

For example, in the above-described embodiment, when the vacuum translucent member is a vacuum pair glass having a structure in which two single glass sheets as the first translucent member are opposed to each other with the vacuum layer interposed therebetween. However, vacuum glass having a structure having a plurality of vacuum layers may be used.

Further, as the vacuum translucent member, a plastic other than glass may be used for the translucent member constituting the vacuum translucent member. The fact that materials other than glass, such as plastic, can be used also applies to the second light-transmissive member using single glass in the embodiment.

Further, in the above-mentioned embodiment, the case where the single plate glass is used for the second light transmissive member has been described, but the second light transmissive member may be a vacuum light transmissive member such as vacuum glass. May be used.

In the above embodiment, the case of using a blind having a plurality of horizontal blades has been described, but a blind having a plurality of blades in the vertical direction may be used. Further, a blind having a structure in which the seat surface is moved up and down may be used. In this case, a light heat reflection material may be provided on the sheet surface facing the vacuum translucent member side. When external light is taken in, it may be stored in a blind box.

Further, in the above-mentioned embodiment, the open / closed state of the high-efficiency heat recovery type window is not particularly mentioned, but it is applied to a conventionally known open / closed structure such as single-opening, double-opening, double-opening and double-door opening. be able to. Furthermore, although the application to the outer window provided on the outer wall of the building has been described, the invention can be applied to a door window, for example. Further, it can be applied to a skylight or the like provided on the roof surface.

In the above-described embodiment, the case where the blind is opened and closed by the management computer has been described, but it goes without saying that the remote control may be performed from the room side by the control of a hand button or the like.

In the above-mentioned embodiment, the structure in which the photothermal reflection material is provided on one surface of the blade of the blind has been described, but it is also possible to provide it on both surfaces. If provided on both sides, for example, when the blade surfaces are arranged in the vertical direction to suppress the incidence of external light, in the summer, photothermal reflection of the blade surface facing the vacuum translucent member side is performed. Outside light is reflected by the material, and at the same time, indoor illuminance can be secured by the photothermal reflection material on the back surface of the blade facing the indoor side.

In winter, the photothermal reflection material on the surface of the blade facing the vacuum translucent member is used to reflect external light so that the room air passing through the ventilation space is blown from both sides of the vacuum translucent member and the blade. It is possible to heat and, at the same time, heat radiation from the room can be suppressed by the photothermal reflection material on the back surface of the blade facing the room.

Further, in the above-mentioned embodiment, only the case where the vacuum translucent member side is directed to the outdoor side has been described. However, in severe cold climates and extremely hot climates, vacuum transmissive glass such as vacuum glass can be applied to the single-sided glass on the indoor side. By using the optical member, it is possible to obtain uniform properties up to the window of the room temperature, and it is possible to widely use the indoor space such as a room.

The high-efficiency heat recovery window of the present invention may be configured to be rotatable with respect to the opening frame so that it is easy to take in outside air and clean the window surface on the outdoor side. .

[0070]

Since the high-efficiency heat recovery window of the present invention employs a vacuum translucent member such as vacuum pair glass as a constituent member, it is possible to utilize the heat insulating effect of the vacuum layer to realize the conventional single window. It is possible to suppress the solar heat entering the room as compared with the configuration using the plate glass. So, for example,
Even in the summer, the increase in the indoor temperature due to the incident solar heat can be suppressed much more efficiently than in the conventional technique, and the indoor cooling load can be significantly reduced.

In the present invention, since the photothermal reflecting material can be provided in the light transmitting range of the vacuum translucent member, the heat insulating effect by utilizing the vacuum layer and the solar heat reflecting effect by the photothermal reflecting material are synergistic. As compared with the case where the vacuum heat transmissive member is not provided with the photothermal reflection material, it is possible to further improve the suppression of solar heat entering the room.

In the present invention, by providing the photothermal reflection material on the blind surface, the heat insulation effect utilizing the vacuum layer, the solar heat reflection effect by the photothermal reflection material on the vacuum translucent member side, and the vacuum translucent member are provided. Due to the synergistic effect with the effect that the transmitted solar heat is further reflected by the blind photothermal reflection material, the suppression of the solar heat entering the room can be reduced to a level unpredictable from the related art.

In the present invention, since the vacuum translucent member is used, it is possible to suppress the heat radiation of the room air to the outside, and the heating load can be reduced accordingly. At the same time, it is possible to obtain a sound insulation effect that prevents external noise from entering the room.

According to the present invention, since the photothermal reflection material can be provided on the blind surface, the surface provided with the photothermal reflection material should be directed toward the indoor side when the indoor illuminance is smaller than at daytime such as at night. Thereby, the effect of keeping the illuminance of the room brighter can be obtained by reflecting the light based on the room illumination to the room side.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an example of a mounting state of a highly efficient heat recovery window of the present invention.

FIG. 2 is an explanatory diagram showing a control system for indoor computer air-conditioning management using the highly efficient heat recovery window of the present invention.

[Explanation of symbols]

10 Vacuum translucent member 10a Vacuum pair glass 20 Translucent member 20a Single plate glass 21 window frame 22 rotation axis 23 Locking member 30 ventilation space 40 blinds 41 blind box 42 blade 42a blade surface 43 Temperature sensor 50 skeleton 51 Opening frame 52 opening 53 Exhaust duct 54 thermostat 61 Photothermal reflector 62 Photothermal reflector 63 Photothermal reflection material 100 buildings 110 air conditioning control room 200 High efficiency heat recovery window 310 common duct 320 chamber 330 External exhaust port 340 temperature sensor 400 air conditioner 500 motor 600 temperature sensor 700 Illuminance sensor A outdoors B room

Front page continuation (72) Inventor Rifumi Kasahara 279-1, Funatsu, Kawaguchiko-cho, Minamitsuru-gun, Yamanashi (56) Reference JP-A-7-150870 (JP, A) JP-A-2001-164843 (JP, A) JP Flat 5-179868 (JP, A) Actually open 56-40348 (JP, U) Actually open 64-11284 (JP, U) Actually open 7-14073 (JP, U) Japanese Patent Publication 1-27234 (JP , B2) Japanese Patent Publication Sho 53-1989 (JP, B1) (58) Fields investigated (Int.Cl. ⁷ , DB name) E06B 5/00

Claims (5)

(57) [Claims] 1. A vacuum pair glass fitted into a window frame through a glazing channel with a vacuum layer interposed between the glass and a pair of vacuum glasses facing the vacuum pair glass so as to be opened to the inside of the room. A temperature sensor provided in a room is provided in a ventilation space that allows room air to pass between the glass and the vacuum pair glass.
The indoor air temperature exceeds a preset reference temperature
In some cases, automatic control to suppress solar heat from entering the room
A high-efficiency heat-recovery type window having a blind that controls opening and closing selectively . 2. The high-efficiency heat-recovery window according to claim 1, wherein the blind is provided with a photothermal reflecting material on a blind surface thereof. 3. The high-efficiency heat-recovery window according to claim 1, wherein the vacuum pair glass is provided with a light-heat reflecting material in a light-transmitting range. 4. A method for controlling air conditioning in a building using a high-efficiency heat recovery window, wherein the high-efficiency heat recovery window has a first transparent member such as glass laminated through a vacuum layer. Of the vacuum translucent member, a second translucent member such as glass provided facing the vacuum translucent member, the vacuum translucent member and the second translucent member. It is formed in a window having a ventilation space interposed between the ventilation space for passing indoor air and a blind provided in the ventilation space, and the opening / closing adjustment of the blind is provided corresponding to the high efficiency heat recovery window. Information from the illuminance sensor that detects the brightness on the indoor side and the indoor air flowing into the ventilation space.
A method for managing air conditioning in a building using a highly efficient heat recovery type window, characterized in that it is automatically performed based on information from a temperature sensor that detects the temperature. 5. The method for air conditioning management in a building using a high efficiency heat recovery window according to claim 4, wherein the ventilation space is communicated with an exhaust duct communicating with an air conditioner, and the exhaust duct allows indoor air to flow through the building. Outside exhaust port or
To the air conditioner, inside the duct based on the temperature of the room air
Operates the variable damper to automatically change the exhaust direction
Air conditioning management method in a building with a high efficiency heat recovery type window, wherein the exhaust duct der Rukoto.