JP3032305B2 - Glass window - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a glass window for a building, and more particularly to a glass window capable of automatically changing a shielding effect in response to the intensity of sunlight or radiation.

[0002]

2. Description of the Related Art Conventionally, as a glass window capable of automatically changing a shielding effect in response to the intensity of sunlight or radiation, for example, an electrochromic method in which the transmittance of a glass plate is directly changed by a change in voltage. Using
Alternatively, there is known a device using a liquid crystal device that changes the transmittance of a liquid crystal arranged to shield a glass window with a voltage.

[0003]

However, in such a conventional glass window, the electrochromism or the liquid crystal device is relatively expensive, and the cost is high.
There is also a problem that the shielding effect is relatively small. An object of the present invention is to solve the above-mentioned problems, and to provide a glass window that is inexpensive and that can greatly improve the shielding effect as compared with the related art.

[0004]

The glass window of claim 1 is:
Opposed at predetermined intervals, forming a gap between them
A pair of glass plates that will be, in the lower portion of the pair of glass plates
It is arranged in communication with the gap, and it is
Storage member in which a fluid material having a shielding function is stored
And the intensity of solar radiation or radiation arranged near the glass plate
A solar radiation measurement sensor for measuring weakness,
A pressure sensor for measuring a pressure of the fluid substance;
Pressure changing means for changing the pressure in the retaining member;
Input signals from pressure sensor and solar radiation measurement sensor
And the value of the signal from the pressure sensor is
Predetermined value corresponding to signal from constant sensor
Control means for controlling the pressure changing means as described above.
It is characterized by becoming.

[0005] The glass windows of claim 2 are opposed to each other at intervals.
Are arranged, and the volume of the gap formed therebetween increases the pressure.
The pair of glass plates, which are increased or decreased by
Flow that is contained and has a shielding function against solar radiation or radiation
Substance and solar radiation or radiation disposed near the glass plate.
A solar radiation measurement sensor for measuring the intensity of the radiation, and the gap
Pressure sensor for measuring the pressure in the cavity, and the pressure in the gap
Pressure changing means for changing pressure, the pressure sensor and
And a signal from the solar radiation measurement sensor,
The value of the signal from the sensor is
The pressure is adjusted to a predetermined value corresponding to the signal.
Control means for controlling the change means.
And

[0006]

In the glass window according to the first aspect, a solar radiation measurement sensor is provided.
If the solar radiation or radiation measured by
The set value of the pressure sensor stored in the
The pressure change means increases the pressure inside the storage member by the device
The fluid substance is pressurized and flows
The shielding ratio of the moving substance in the voids is increased. one
The radiation or radiation measured by the radiation measurement sensor
When the injection becomes weaker, the setting of the pressure sensor stored in the controller is made.
The constant value decreases, and the pressure change means is stored by the controller
Actuated to reduce the pressure in the member,
The flowable material is decompressed, and the flowable material occupies the voids.
The concealment ratio is reduced.

In the glass window of the second aspect , the solar radiation measurement
If the solar radiation or radiation measured by the sensor increases,
The set value of the pressure sensor stored in the control device becomes smaller,
The pressure change means reduces the pressure in the gap by the control device.
To reduce the volume of the air gap.
And the shielding ratio of the fluid material in the voids is increased.
You. On the other hand, the solar radiation measured by the solar radiation measurement sensor
Or the radiation is weakened, the pressure sensor stored in the
The set value of the pressure increases, and the controller changes the pressure
Are actuated to increase the pressure in the gap,
Increases the volume of the voids and occupies the voids of the flowable substance.
The shielding rate is reduced.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of the present invention; FIG. 1 shows a first embodiment of a glass window according to the present invention. In the drawing, reference numeral 11 denotes a pair of glass plates which are arranged facing each other at a predetermined interval. A gap 13 is formed between these glass plates 11.

[0009] The void 13 accommodates a fluid substance 15 having a function of shielding solar radiation or radiation, such as oil or mercury. That is, in this embodiment, the end of the gap 13 is sealed by the seal member 17. A storage member 19 for storing the fluid substance 15 is disposed at a lower end of the cavity 13, and a communication port 21 opening to the cavity 13 is formed at an upper end of the storage member 19.

[0010]

[0011]

[0012]

[0013] Then, in this embodiment, the flowable material 15
A pressure increasing / decreasing means 23 for increasing / decreasing pressure according to the intensity of solar radiation or radiation is disposed. This pressurizing / depressurizing means 23
Is a signal from a solar radiation measurement sensor 25 for measuring the intensity of solar radiation or radiation, and a pressure sensor 27 for measuring the pressure in the storage member 19.
And a controller 29 for inputting and outputting a signal from the storage device 19 and pressurizing or depressurizing the fluid substance 15 stored in the storage member 19.

That is, in the control device 29, the value of the required pressure in the storage member 19 corresponding to the signal from the solar radiation measurement sensor 25, for example, the magnitude of the signal from the solar radiation measurement sensor 25, is set in advance. A value set so as to increase in proportion is stored.
Controls the opening and closing of the three-way control valve 31 so that the value from the pressure sensor 27 becomes the predetermined value.

In the glass window constructed as described above, the setting value of the pressure sensor 27 stored in the control device 29 increases when insolation or radiation increases, so that the control device 29
, The pressurizing device 33 side of the three-way control valve 31 is opened, the pressurized air from the pressurizing device 33 is supplied to the storage member 19, the fluid substance 15 is pressurized, and the gap of the fluid substance 15 is The shielding ratio of the portion 13 is increased.

At this time, the air in the gap 13 is
It is released through the permeable sealing member 17. On the other hand, when the solar radiation or the radiation becomes weak, the set value of the pressure sensor 27 stored in the control device 29 becomes small.
, The atmospheric pressure side of the three-way control valve 31 is opened, the pressure in the storage member 19 is reduced, and the fluid substance 15 is reduced,
Air flows into the gap 13 through the air-permeable sealing member 17, and the shielding ratio of the fluid substance 15 in the gap 13 is reduced.

[0017] That is, in this embodiment, for example, FIG. 2
As shown by a straight line b, the shielding rate increases in proportion to the pressure in the storage member 19, and the transmittance of the glass window decreases in inverse proportion thereto. In the glass window constructed as described above, the pressurizing and depressurizing means 23 for pressurizing and depressurizing the fluid substance 15 in accordance with the intensity of solar radiation or radiation is disposed, so that it is the same as in the first embodiment. Inexpensive, and the shielding effect can be greatly improved as compared with the conventional case.

[0018] FIG. 3 shows a second embodiment of a glass window of the present invention, in this embodiment, the reservoir member 19 is not disposed directly flowable material 15 is housed in the gap portion 13 Have been. Further, a pressurizing means 35 for pressurizing the fluid substance 15 in accordance with the intensity of solar radiation or radiation is provided.

The pressurizing means 35 is arranged near the glass plate 11 and has a signal from a solar radiation measuring sensor 25 for measuring the intensity of solar radiation or radiation and a pressure sensor 27 for measuring the pressure in the gap 13. And a control device 37 for inputting a signal from the controller and pressurizing the gap 13. That is, in the control device 37, the value of the required pressure in the gap 13 corresponding to the signal from the solar radiation measurement sensor 27 in advance, for example, is inversely proportional to the magnitude of the signal from the solar radiation measurement sensor 25. The control device 37 stores the control valve 31 so that the value from the pressure sensor 27 becomes the predetermined value.
Control the opening and closing of

In the glass window constructed as described above, when the solar radiation or radiation becomes weak, the set value of the pressure sensor 27 stored in the control device 37 becomes large.
, The pressurizing device 33 side of the three-way control valve 31 is opened, and the pressurized air from the pressurizing device 33 is supplied to the gap 13, and the glass plate 11 is deformed to the outside of the center, thereby forming the gap. 13 is increased, and the shielding ratio of the fluid substance 15 in the void 13 is reduced.

Meanwhile, when the solar radiation or radiation becomes strong, since the set value of the pressure sensor 27, which is stored in the control device 37 decreases, the atmospheric pressure side of the 3-way control valve 31 by the control device 37 is opened, Figure 4 As shown, the pressure in the gap 13 is reduced, and the shielding ratio of the fluid substance 15 in the gap 13 is increased. That is, in this embodiment, for example, as shown by curve c in FIG. 2, in inverse proportion to the pressure in the gap portion 13, the shielding ratio increases, the transmittance of the glass window is reduced.

However, in the glass window configured as described above, the pressurizing means 35 for changing the volume of the gap 13 between the pair of glass plates 11 according to the intensity of solar radiation or radiation is provided. As in the case of the first embodiment, it is inexpensive and the shielding effect can be greatly improved as compared with the conventional case. FIG. 5 shows a third embodiment of the glass window of the present invention. In this embodiment, the storage member 19 is not arranged, and the fluid substance 15 is directly accommodated in the gap 13. .

Further, a decompression means 39 for decompressing the fluid substance 15 in accordance with the intensity of solar radiation or radiation is provided. The decompression means 39 is disposed near the glass plate 11 and receives a signal from the solar radiation measurement sensor 25 for measuring the intensity of solar radiation or radiation, and a signal from the pressure sensor 27 for measuring the pressure in the gap 13. A control device 41 for inputting and depressurizing the gap 13 is provided.

That is, in the control device 41, the value of the required pressure in the gap 13 corresponding to the signal from the solar radiation measurement sensor 25, for example, the magnitude of the signal from the solar radiation measurement sensor 25, is set in advance. A value set to decrease in inverse proportion is stored.
Controls the opening and closing of the three-way control valve 31 so that the value from the pressure sensor 27 becomes the predetermined value.

In the glass window configured as described above, when the amount of solar radiation or radiation increases, the set value of the pressure sensor 27 stored in the control device 41 decreases.
1, the pressure reducing device 43 side of the three-way control valve 31 is opened,
The space 13 is decompressed by the decompression device 43, and the volume of the space 13 is reduced due to the deformation of the inside of the central portion of the glass plate 11, and the shielding ratio of the fluid substance 15 in the space 13 is increased. .

On the other hand, when the solar radiation or radiation becomes weak, since the set value of the pressure sensor 27, which is stored in the control device 41 increases, the atmospheric pressure side of the 3-way control valve 31 by the control device 41 is opened, FIG. 6 As shown, the pressure in the gap 13 is increased, and the shielding ratio of the fluid substance 15 in the gap 13 is reduced. That is, in this embodiment, for example, as shown by curve c in FIG. 2, the pressure of the air gap 13
Inversely proportional to, the shielding ratio increases, the transmittance of the glass window is reduced.

In the glass window constructed as described above, the decompression means 39 for changing the volume of the gap 13 between the pair of glass plates 11 according to the intensity of solar radiation or radiation is provided. As in the case of the first embodiment, it is inexpensive and the shielding effect can be greatly improved as compared with the conventional case.

[0028]

As described above, in the glass window of the first aspect, the control means controls the pressure in the storage member.
Occupies the gap formed between the pair of glass plates.
The ratio of the flowable substance to be changed
And the shielding effect is significantly improved
Can be.

In the glass window of the second aspect, the control means
Pressure in the gap formed between the pair of glass plates.
By controlling, the ratio of the flowable substance in the void
The cost is low and the shielding effect is low.
The result can be greatly improved compared to the conventional case.

[0030]

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a first embodiment of a glass window of the present invention.

FIG. 2 shows the relationship between the temperature, the shielding rate, and the transmittance of the glass window of FIG.
It is a graph which shows a relationship .

FIG. 3 is a longitudinal sectional view showing a second embodiment of the glass window of the present invention .
FIG .

FIG. 4 is a flow diagram when the solar radiation intensity of the glass window of FIG . 3 is high.
It is a longitudinal cross-sectional view which shows the state of an active substance .

FIG. 5 is a longitudinal section showing a third embodiment of the glass window of the present invention .
FIG .

FIG. 6 is a flow chart when the solar radiation intensity of the glass window of FIG . 5 is low.
It is a longitudinal cross-sectional view which shows the state of an active substance .

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Glass plate 13 Void part 15 Fluid substance 23 Pressurizing / depressurizing means 35 Pressurizing means 39 Depressurizing means

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-61-117388 (JP, A) JP-A-51-58966 (JP, A) JP-A-3-47393 (JP, A) (58) Survey Field (Int.Cl. ⁷ , DB name) E06B 9/24

Claims (2)

(57) [Claims] 1. A are opposed to each other with a predetermined interval, during which
A pair of glass plates which void portions Ru is formed, communicating to the gap portion in the lower portion of the pair of glass plates arranged in
Fluidity that has a shielding function against sunlight or radiation
A storage member for accommodating a substance, and arranged near the glass plate to reduce the intensity of solar radiation or radiation.
A solar radiation measurement sensor to measure, and a pressure to measure the pressure of the fluid substance in the storage member
Sensor and pressure changing means for changing pressure in the storage member
And the signals from the pressure sensor and the solar radiation measurement sensor
Input and the value of the signal from the pressure sensor is
To a predetermined value corresponding to the signal from the radiation measurement sensor.
So as to the glass window of the control means for controlling the pressure changing means, characterized in that it comprises a. 2. The method according to claim 1, further comprising a plurality of opposing members spaced apart from each other.
The volume of the formed void is increased or decreased by increasing or decreasing the pressure.
A pair of glass plates and a shielding machine housed in the gap and protected against solar radiation or radiation
A fluid substance having the ability to reduce the intensity of solar radiation or radiation disposed near the glass plate.
A solar radiation measurement sensor to measure, a pressure sensor to measure the pressure in the gap , a pressure changing unit for changing the pressure in the gap , and a signal from the pressure sensor and the solar radiation measurement sensor.
Input and the value of the signal from the pressure sensor is
To a predetermined value corresponding to the signal from the radiation measurement sensor.
So as to the glass window of the control means for controlling the pressure changing means, characterized in that it comprises a.