JP2008025229A - Light transmittance variable system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a light transmittance variable system, without becoming design restriction, without becoming a hindrance to an appearance having an opening feeling such as a glass facade, by using an inside space such as double skin glass substantially sealed by two glass and a frame. <P>SOLUTION: This light transmittance variable system can change transmittance of the light passing through a glass part in a state of being substantially sealed by the two glass and the frame, and reflects and absorbs a part or the whole of the transmitted light of passing through an inside air layer by a state change in gas of the inside air layer of the glass part. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a variable light transmittance system using an internal space of glass having a double skin structure or the like that is substantially sealed by two glasses and a frame.

2. Description of the Related Art Conventionally, there is a glass facade or the like using a double skin structure in order to produce an open appearance in a building or the like. In such a structure, there is a system that performs light shielding / dimming by providing a blind in an internal space sandwiched between glasses for the purpose of shielding direct sunlight and blinding, although it is not intended to change the appearance. (Patent Document 1).
JP 2000-248856 A

  However, when such a blind is used in a building using a glass facade or the like, it usually obstructs the open appearance of the glass facade or the like, which is a design restriction. In addition, pasting an opaque film or installing an internal roll screen requires separate construction, requiring a period of several days to several weeks. Furthermore, with such a structure, the appearance could not be changed instantaneously, and it was not possible to attract people's interest more effectively.

  The present invention solves the above-mentioned problem, uses a double skin structure or other internal space without using blinds or the like, maintains an open appearance such as a glass facade, and instantly changes the exterior of the building. An object is to provide a variable light transmittance system.

  The present invention solves the above-mentioned problem, and in a light transmittance variable system capable of changing the transmittance of light transmitted through a glass portion that is almost sealed by two glasses and a frame, A part or all of the transmitted light transmitted through the internal air layer is reflected / absorbed by a change in the state of the gas in the internal air layer.

  Further, the gas state change is generated by cooling the internal air layer.

  The variable light transmittance system includes a condensation nucleus supply device that supplies condensation nuclei to the internal air layer, a humidifier that humidifies the internal air layer, a decompression device that depressurizes the internal air layer, and the condensation agent. And a control means for controlling the tuberculosis supply device, the humidifier, and the decompression device.

  The variable light transmittance system includes a temperature sensor that detects a temperature of the internal air layer, a condensation nucleus sensor that detects a condensation nucleus of the internal air layer, and a humidity sensor that detects the humidity of the internal air layer; And a pressure sensor for detecting the pressure of the internal air layer, and the control means includes the temperature sensor, the condensation nucleus sensor, the humidity sensor, and the state of the internal air layer detected by the pressure sensor, It controls the condensation nucleus supply device, the humidifier, and the pressure reducing device.

  The variable light transmittance system includes a condensation nucleus supply device that supplies condensation nuclei to the internal air layer, a humidifier that humidifies the internal air layer, a cooling device that cools the internal air layer, and the condensation agent. And a control means for controlling the tuberculosis supply device, the humidifier, and the cooling device.

  The variable light transmittance system includes a temperature sensor that detects a temperature of the internal air layer, a condensation nucleus sensor that detects a condensation nucleus of the internal air layer, and a humidity sensor that detects the humidity of the internal air layer; And a pressure sensor for detecting the pressure of the internal air layer, and the control means includes the temperature sensor, the condensation nucleus sensor, the humidity sensor, and the state of the internal air layer detected by the pressure sensor, It controls the condensation nucleus supply device, the humidifier, and the cooling device.

  The gas state change is generated by humidifying the internal air layer.

  The variable light transmittance system includes a humidifier that humidifies the internal air layer, and a control unit that operates the humidifier so that the internal air layer becomes saturated. .

  Furthermore, in a variable light transmittance system capable of changing the transmittance of light transmitted through the glass portion almost sealed by two glasses and a frame, a gas that reflects or absorbs part or all of the light is generated. A non-permeable gas generator is provided, and a part or all of the transmitted light that passes through the internal air layer is reflected / absorbed by the gas sent from the non-permeable gas generator to the internal air layer of the glass part. And

  In addition, the non-permeate gas generator emits a non-permeate gas by water and dry ice.

  Further, the glass portion constitutes a glass father, and the transparent state of the glass father is instantly changed to opaque.

  According to the light transmittance variable system of the present invention, it is possible to use an internal space such as a double skin structure to maintain an open appearance such as a glass facade and to change the appearance of a building instantaneously. Therefore, people's interests can be attracted effectively, and the entire building can be used for advertising and the like.

  Hereinafter, an embodiment of a variable light transmittance system will be described with reference to the drawings. FIG. 1 shows the structure of a variable light transmittance system A1 that uses clouding of water vapor due to changes in atmospheric pressure according to the first embodiment. In the figure, 1 is a glass part, 2 is glass, 2a is outer glass, 2b is inner glass, 3 is a frame, 4 is a reinforcing rib, 10 is a sensor group, 11 is a temperature sensor, 12 is a condensation nucleus sensor, and 13 is humidity. Sensor, 14 is a pressure sensor, 20 is a control device, 21 is a control panel as an example of control means, 22 is a condensation nucleus supply device, 23 is a humidifier, 24 is a decompression device, 30 is an intake / exhaust section, 31 is a humidifier / coagulator Tuberculosis passage, 32 is a humidification / condensation nucleus valve, 33 is a decompression passage, 34 is a decompression valve, 35 is an intake / exhaust passage, 36 is an intake / exhaust valve, 40 is an external atmosphere layer, 41 is the atmosphere, 50 is an interior air layer, 51 Is internal air, 52 is a condensation nucleus, 53 is humid air, A1 is a variable light transmittance system, and S1 is an input means.

  The light transmittance variable system A1 includes an input unit S1, a glass unit 1, a sensor group 10, a control device 20, and an intake / exhaust unit 30. The input unit S1 is a temperature sensor, a humidity sensor, or the like that indicates a state inside the inner glass 2b such as a building, or a switch that manually sets the temperature and humidity.

  The glass part 1 is composed of a glass 2 composed of two sheets of an outer glass 2a and an inner glass 2b, a frame 3 surrounding the four sides of the glass 2, and a reinforcing rib 4 sandwiched between the outer glass 2a and the inner glass 2b. The internal air layer 50 is substantially sealed with respect to the external air layer 40, and is applied to a double skin structure of a glass father with a large gap between the glasses 2. In addition, the glass part 1 may comprise double glass.

  The sensor group 10 detects the state of the internal air layer 40 in the glass part 1, and includes a temperature sensor 11 that detects the temperature, a condensation nucleus sensor 12 that detects the amount of condensation nucleus 52, and a humidity that detects humidity. It consists of a sensor 13 and a pressure sensor 14 for detecting pressure.

  The control device 20 inputs detection signals from the sensors of the input means S1 and the sensor group 10, and controls the condensation nucleus supply device 22, the humidifier 23, and the decompression device 24. Condensed nucleus supplying device 22 that supplies condensed nuclei 52 such as fine dust to internal air layer 50 of glass part 1 by a signal, and humid air 53 is supplied to internal air layer 50 of glass part 1 by a signal from control panel 21. A humidifier 23 for humidifying and a pressure reducing device 24 for reducing the pressure by exhausting the internal air 51 from the internal air layer 50 of the glass portion 1 by a signal from the control panel 21. The input means S may be provided integrally with the control panel 21.

  The intake / exhaust part 30 passes through the humidification / condensation nucleus passage 31 and the humidification / condensation nucleus passage 31 that communicate the inner air layer 50 of the glass part 1 with the condensation nucleus supply device 22 and the humidifier 23 through the frame 3. A humidification / condensation nucleus valve 32 for controlling the amount of condensation nucleus 52 and humid air 53, a decompression passage 33 communicating the internal air layer 50 of the glass part 1 and the decompression device 24 through the frame 3, and a decompression passage 33 Passes through the intake / exhaust passage 35, the pressure reducing valve 34 for controlling the amount of air passing through the frame 3, the intake / exhaust passage 35 that connects the internal air layer 50 and the external atmospheric layer 40 of the glass portion 1 through the frame 3. And an intake / exhaust valve 36 for controlling the amount of air.

  The operation of the light transmittance variable system A having such a structure will be described. FIG. 2 is a diagram sequentially illustrating the light transmittance variable system A in each state, and FIG. 3 is a graph illustrating a change in the state of the internal air 51 in the internal air layer 50. In the figure, L1 is transmitted light, and L2 is reflected / absorbed light. In the case of this embodiment, it is determined that the temperature inside the inner glass 2b is high, and a part or all of the transmitted light L1 is controlled to become reflected / absorbed light L2.

  Normally, as shown in FIG. 2 (a), the humidification / condensation nucleus valve 32 and the decompression valve 34 are closed, and only the intake / exhaust valve 36 is opened, and the internal air layer 50 of the glass part 1 is external atmosphere. As shown in FIG. 3, the internal air 51 communicates with the layer 40 and is in a state of atmospheric pressure, room temperature, and normal humidity, so that the light from the outside of the outer glass 2a becomes the transmitted light L1, and the inner air 51 It penetrates the glass 2b and reaches the inside of a building or the like.

  The operation of the variable light transmittance system A1 is performed when the temperature or humidity in the inner glass 2b of the building is separated from a preset value by a predetermined value or more, or when the current target temperature or humidity is manually input. This is started by outputting the current temperature and humidity in the inner glass 2b of the building and the target temperature and humidity together with the control start signal from the input means S to the control panel 21.

  Next, as shown in FIGS. 2 (b) and 2 (c), the control panel 21 detects the signal from the input means S1, the temperature sensor 11 indicating the state of the internal air layer 50 in the glass part 1, and the condensation. Signals from the tuberculosis sensor 12, the humidity sensor 13, and the pressure sensor 14 are calculated, and the condensation nucleus supply device 22, the humidifier 23, the decompression device 24, the humidification / condensation nucleus valve 32, the decompression valve 34, and the intake / exhaust valve 36 are controlled. .

  In the case of the present embodiment, first, at the time of humidification, as shown in FIG. 2B, the control panel 21 opens the humidification / condensation nucleus valve 32, and the humidification / condensation nucleus passage 31 causes the internal air layer in the glass portion 1. 50 communicates with the condensed nucleus supply device 22 and the humidifier 23, and closes the intake / exhaust valve 36 to shut off the internal air layer 50 and the external air layer 40 in the glass part 1. Moreover, the condensation nucleus supply device 22 and the humidifier 23 are operated, and the condensation nucleus 52 and the humid air 53 are discharged from the condensation nucleus supply device 22 and the humidifier 23 to the internal air layer 50 in the glass portion 1. The pressure reducing valve 34 is closed and the pressure reducing device 24 is not operating.

  In this state, as shown in FIG. 3, the internal air 51 of the internal air layer 50 is in an atmospheric pressure, normal temperature, and high humidity state, and light from the outside of the outer glass 2a becomes transmitted light L1. Through the inner glass 2b, it reaches the inside of the building or the like.

  Next, when decompression-mist occurs, as shown in FIG. 2C, the control panel 21 opens the decompression valve 34 and communicates the internal air layer 50 in the glass portion 1 and the decompression device 24 through the decompression passage 33. At the same time, the intake / exhaust valve 36 is kept closed, and the internal air layer 50 and the external air layer 40 in the glass portion 1 are kept shut off. Moreover, the decompression device 24 is operated to decompress the internal air layer 50 in the glass part 1. At this time, since the internal air 51 of the internal air layer 50 in the glass part 1 is depressurized in a humidified state and the humid air 53 attached to the condensation nucleus 52 becomes saturated and becomes mist, The layer 50 is clouded. The humidification / condensation nucleus valve 32 is closed, and the condensation nucleus supply device 22 and the humidifier 23 are not operated.

  In this state, as shown in FIG. 3, the internal air 51 of the internal air layer 50 is in a reduced pressure, low temperature, and high humidity state, and a part or all of the light from the outside of the outer glass 2a is reflected / The absorbed light L2 is reflected and absorbed before reaching the inner glass 2a, and does not reach the inside of a building or the like.

  Finally, at the time of restoration, as shown in FIG. 2D, the humidification / condensation nucleus valve 32 and the pressure reducing valve 34 are closed, and only the intake / exhaust valve 36 is opened. Since the internal air layer 50 of the glass part 1 communicates with the external air layer 40 and the inside of the glass part 1 is in a decompressed state, the air 41 is sucked. And since the internal air 51 will be in the state of atmospheric pressure, low temperature, and high humidity, the light from the exterior of the outer side glass 2a turns into the transmitted light L1, permeate | transmits the inner side glass 2b, and reaches | attains the inside of a building etc. .

  In addition, in 1st Embodiment, it controlled from the normal time of FIG. 2 (a) to the stage at the time of humidification of FIG.2 (b), However, The internal air layer 50 of the glass part 1 is the normal time of FIG. 2 (a). If the condensation nuclei 52 are already sufficiently contained or if the humidity is sufficiently high, the condensation nucleation supply device 22, the humidifier 23 or the condensation nucleation / humidification valve 32 does not operate, and the pressure reduction- You may control to the stage at the time of mist generation.

  In the first embodiment, by reducing the pressure, mist is generated in the glass part 1 and the internal air 51 is clouded. However, a cooling element such as dry ice or liquefied nitrogen is used to The internal air 51 may be clouded by cooling the internal air layer 50. In that case, instead of the decompression device, the storage means of the cooling element and the internal air layer 50 in the glass part 1 are communicated, and instead of the decompression valve, the cooling element is placed inside the glass part 1 by controlling the opening and closing of the cooling valve. By sending it to the air layer 50, the internal air 51 is clouded.

  Next, a second embodiment of the light transmittance variable system will be described. FIG. 4 shows the structure of a variable light transmittance system A2 that utilizes the dew condensation action of the glass surface according to the second embodiment. In the figure, 101 is a glass part, 102 is glass, 102a is outer glass, 102b is inner glass, 103 is a frame, 110 is a sensor group, 111 is a temperature sensor, 113 is a humidity sensor, 120 is a control device, and 121 is control means. As an example of the control panel, 123 is a humidifier, 125 is a blower, 130 is an intake / exhaust section, 131 is a humidification passage, 132 is a humidification valve, 133 is a blower passage, 134 is a blower valve, 135 is an intake / exhaust passage, 136 is an intake Exhaust valve, 137 is a drainage passage, 138 is a drainage valve, 140 is an external air layer, 141 is the air, 150 is an internal air layer, 151 is an internal air, 153 is humid air, 154 is dew condensation, 155 is dew condensation water, A2 is The variable light transmittance system, S2, is an input means.

  The sensor group 110 detects the state of the internal air layer 40 in the glass part 1 and includes a temperature sensor 111 that detects temperature and a humidity sensor 113 that detects humidity.

  The control device 120 inputs detection signals from the respective sensors of the input means S2 and the sensor group 110, and controls the humidifier 123 and the blower 125. The control panel 121 controls the inside of the glass unit 101 by signals from the control panel 121. It has the humidifier 123 which humidifies the air layer 150, and the air blower 125 which ventilates the air | atmosphere 141 to the internal air layer 50 of the glass part 1 with the signal from the control panel 121. FIG. The input unit S2 may be provided integrally with the control panel 121.

  The intake / exhaust unit 130 includes a humidifying passage 131 that allows the internal air layer 150 of the glass unit 101 and the humidifier 123 to communicate with each other through the frame 103, a humidifying valve 132 that controls the amount of water vapor 153 that passes through the humidifying passage 131, and A blower passage 133 that allows the internal air layer 50 of the glass part 1 and the blower 125 to communicate with each other through the frame 103, a blower valve 134 that controls the amount of air passing through the blower path 133, and an internal air layer of the glass part 101 150 and the external atmospheric layer 140 through the frame 103, an intake / exhaust passage 135, an intake / exhaust valve 136 for controlling the amount of air passing through the intake / exhaust passage 135, and the condensed drainage 155 are disposed inside the glass portion 101. A drainage passage 137 that discharges from the air layer 150 and a drainage valve 138 that controls the condensed drainage 155 that passes through the drainage passage 137 are provided.

  Since the input unit S2 and the glass part 101 have the same structure as that of the first embodiment, description thereof is omitted.

  The operation of the light transmittance variable system A2 having such a structure will be described. FIG. 5 is a diagram sequentially illustrating the light transmittance variable system A2 in each state, and FIG. 6 is a graph illustrating a change in the state of the internal air 151 of the internal air layer 150. In the figure, L1 is transmitted light, and L2 is reflected / absorbed light. In the case of the present embodiment, it is determined that the temperature inside the inner glass 102b is high, and a part or all of the transmitted light L1 is controlled to become reflected / absorbed light L2.

  In a normal state, as shown in FIG. 5A, the humidification valve 132 and the blower valve 134 are closed, and only the intake / exhaust valve 136 is opened, and the internal air layer 150 of the glass portion 101 is connected to the external air layer 140. As shown in FIG. 6, the internal air 151 is in the state of atmospheric pressure, room temperature, and normal humidity, so that the light from the outside of the outer glass 102a becomes transmitted light L1, and the inner glass 102b passes through the inner glass 102b. It penetrates and reaches inside the building.

  The operation of the light transmittance variable system A2 is performed when the temperature or humidity in the inner glass 102b of the building is separated from a preset value by a predetermined value or more, or when the current target temperature or humidity is manually input. This is started by outputting the current temperature and humidity in the inner glass 102b of the building and the target temperature and humidity together with the control start signal from the input means S2 to the control panel 121.

  Next, as shown in FIG. 5B and FIG. 5C, the control panel 121 includes a signal from the input means S2, a temperature sensor 111 indicating the state of the internal air layer 150 in the glass portion 101, and humidity. The signal from the sensor 113 is calculated, and the humidifier 123, the blower 125, the humidification valve 132, the blower valve 134, the intake / exhaust valve 136, and the drain valve 138 are controlled.

  In the case of the present embodiment, first, as shown in FIG. 5B, the control panel 121 opens the humidification valve 132 and communicates the internal air layer 150 in the glass portion 101 and the humidifier 123 through the humidification passage 131. At the same time, the intake / exhaust valve 136 is closed to shut off the internal air layer 150 and the external air layer 140 in the glass portion 101. Moreover, the humidifier 123 is operated and the humid air 153 is discharged from the humidifier 123 to the internal air layer 150 in the glass part 101 until the internal air 151 is saturated. The blower valve 134 and the drain valve 138 are closed, and the blower 125 is not operating.

  In this state, as shown in FIG. 6, the internal air 151 of the internal air layer 150 is in a saturated state, and dew condensation is generated on the internal air layer 150 in the glass portion 101, particularly on the outer glass 102a and the inner glass 102b. 154 is generated, and part or all of the light from the outside of the outer glass 102a becomes reflected / absorbed light L2, reflected and absorbed before reaching the inner glass 102a, and does not reach the inside of the building or the like.

  Finally, as shown in FIG. 5 (c), the humidification valve 132 is closed, the air supply valve 134, the intake / exhaust valve 136, and the drain valve 138 are opened, the air blower 125 is operated, and the internal air layer 150 of the glass portion 101 is made to flow. It communicates with the external atmospheric layer 140. At this time, the dew condensation 154 is dried by the air 144 blown from the blower 125 through the blow passage 133 and simultaneously drained from the drain passage 137, so that the light from the outside of the outer glass 102a is transmitted light L1. Thus, the light passes through the inner glass 102b and reaches the inside of a building or the like.

  Next, a third embodiment of the light transmittance variable system will be described. FIG. 7 shows the structure of a light transmittance variable system A3 using dry ice according to the third embodiment. In the figure, 201 is a glass part, 202 is glass, 202a is outer glass, 202b is inner glass, 203 is a frame, 220 is a control device, 221 is a control panel as an example of control means, 225 is a blower, 226 is non- A mist generating device as an example of a permeated gas generating device, 230 is an intake / exhaust section, 231 is a mist passage, 232 is a mist valve, 233 is a blower passage, 234 is a blower valve, 235 is an intake / exhaust passage, 236 is an intake / exhaust valve, 240 Is an external air layer, 241 is the air, 250 is an internal air layer, 251 is internal air, 253 is water, 254 is dry ice, 255 is dry ice mist, A3 is a variable light transmittance system, and S3 is an input means.

  The control device 220 inputs the detection signal from the input means S3, and controls the mist generating device 226 and the blower 225. The control panel 221 controls the water 253 in the internal air layer 250 of the glass unit 201 by the signal from the control panel 221. A mist generator 226 that sends out dry ice mist 255 generated from the dry ice 254 and a blower 225 that blows the air 241 to the internal air layer 250 of the glass unit 201 by a signal from the control panel 221. The input means S3 may be provided integrally with the control panel 221.

  The intake / exhaust section 230 includes a mist passage 231 that allows the internal air layer 250 of the glass section 201 and the mist generator 226 to communicate with each other through the frame 203, and a mist valve that controls the amount of dry ice mist 255 that passes through the mist passage 231. 232, the air passage 250 that communicates the internal air layer 250 of the glass part 201 and the blower 225 through the frame 203, the air supply valve 234 that controls the amount of air that passes through the air supply path 233, and the glass part 201 An intake / exhaust passage 235 that communicates the internal air layer 250 and the external atmospheric layer 240 through the frame 203 and an exhaust valve 236 that controls the amount of air passing through the intake / exhaust passage 235 are provided.

  In addition, since the input means S3 and the glass part 201 are the same structures as 1st Embodiment, description is abbreviate | omitted.

  The operation of the light transmittance variable system A3 having such a structure will be described. FIG. 8 is a diagram sequentially illustrating the light transmittance variable system A3 in each state. In the figure, L1 is transmitted light, and L2 is reflected / absorbed light. In the case of this embodiment, it is determined that the temperature inside the inner glass 202b is high, and a part or all of the transmitted light L1 is controlled to become reflected / absorbed light L2.

  Normally, as shown in FIG. 8A, the mist valve 232 and the blower valve 234 are closed, and only the intake / exhaust valve 236 is opened, and the internal air layer 250 of the glass part 201 is connected to the external air layer 240. Since the internal air 251 communicates with atmospheric pressure, room temperature, and normal humidity, the light from the outside of the outer glass 202a becomes transmitted light L1, passes through the inner glass 202b, and passes through the interior of the building or the like. To reach.

  The operation of the light transmittance variable system A3 is performed when the temperature or humidity in the inner glass 202b of the building is separated from a preset value by a predetermined value or when the current target temperature or humidity is manually input. This is started by outputting the current temperature and humidity in the inner glass 202b of the building and the target temperature and humidity together with the control start signal from the input means S2 to the control panel 221.

  Next, as shown in FIG. 8B and FIG. 8C, the control panel 221 calculates a signal from the input means S3, and a mist generator 226, a blower 225, a mist valve 232, a blower valve 234, and The intake / exhaust valve 236 is controlled.

  In the case of the present embodiment, first, as shown in FIG. 8B, the control panel 221 opens the mist valve 232 and communicates the internal air layer 250 in the glass portion 201 and the mist generating device 226 through the mist passage 231. At the same time, the blower valve 234 and the intake / exhaust valve 236 are closed, and the internal air layer 250 and the external air layer 240 in the glass part 201 are shut off. Further, the mist generating device 226 is operated, and the dry ice mist 255 generated by the water 253 and the dry ice 254 is sent from the mist generating device 226 to the internal air layer 250 in the glass unit 201. The blower valve 234 and the intake / exhaust valve 236 are closed, and the blower 225 is not operating.

  In this state, the inner air layer 250 is filled with mist, and part or all of the light from the outside of the outer glass 202a becomes reflected / absorbed light L2, and is reflected / absorbed before reaching the inner glass 202a. It is absorbed and does not reach the inside of the building.

  Finally, as shown in FIG. 8C, the mist valve 232 is closed, the air supply valve 234 and the intake / exhaust valve 236 are opened, the air blower 225 is operated, and the internal air layer 250 of the glass part 201 is changed to the external air layer 240. Communicate with. At this time, the dry ice mist 255 is discharged from the intake / exhaust passage 235 by the atmosphere 244 blown from the blower 225 through the blow passage 233, so that the light from the outside of the outer glass 202a becomes the transmitted light L1, The light passes through the inner glass 202b and reaches the inside of a building or the like.

As described above, the variable light transmittance system of the present embodiment can change the light transmittance instantaneously with a simple structure, and can open the glass facade and the like using an internal space such as double skin glass or double glass. While maintaining a pleasing appearance, the appearance of the building can be instantly changed. Therefore, it can attract people's interests effectively. Also, by making the building windows partially changeable,
The entire building can be used for advertising.

The figure which shows the light transmittance variable system of 1st Embodiment. The figure which shows the action | operation of the light transmittance variable system of 1st Embodiment. The figure which shows the state of the internal air of the light transmittance variable system of 1st Embodiment. The figure which shows the light transmittance variable system of 2nd Embodiment. The figure which shows the action | operation of the light transmittance variable system of 2nd Embodiment. The figure which shows the state of the internal air of the light transmittance variable system of 2nd Embodiment. The figure which shows the light transmittance variable system of 3rd Embodiment. The figure which shows the action | operation of the light transmittance variable system of 3rd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,101,201 ... Glass part, 2,102,202 ... Glass, 2a, 102a, 202a ... Outer glass, 2b, 102b, 202b ... Inner glass, 3,103, 203 ... Frame, 4 ... Reinforcement rib, 10, DESCRIPTION OF SYMBOLS 110 ... Sensor group, 11, 111 ... Temperature sensor, 12 ... Condensation nucleus sensor, 13, 113 ... Humidity sensor, 14 ... Pressure sensor, 20, 120, 220 ... Control device, 21, 121, 221 ... Control panel (control means) ), 22 ... Condensation nucleus supply device, 23, 123 ... Humidifier, 24 ... Depressurization device, 124, 224 ... Blower, 226 ... Mist generator (non-permeate gas generator), 30, 130, 230 ... Intake / exhaust part, 31 ... Humidification / condensation nucleus passage, 131 ... Humidification passage, 32 ... Humidification / condensation nucleus valve, 132 ... Humidification valve, 33 ... Decompression passage, 34 ... Decompression valve, 133, 233 ... Blower passage 134,234 ... Blower valve, 35,135,235 ... Intake / exhaust passage, 36,136,236 ... Intake / exhaust valve, 137 ... Drain passage, 138 ... Drain valve, 231 ... Mist passage, 232 ... Mist valve, 40,140 240, external air layer, 41, 141, 241 ... air, 50, 150, 250 ... internal air layer, 51, 151, 251 ... internal air, 52 ... condensation nucleus, 53, 153 ... humid air, 154 ... condensation, 155 ... dew condensation water, 253 ... water, 254 ... dry ice, 255 ... dry ice mist, A1, A2, A3 ... variable light transmittance system, S1, S2, S3 ... input means, L1 ... transmitted light, L2 ... reflection Absorbed light

Claims (11)

  In the light transmittance variable system capable of changing the transmittance of light transmitted through the glass portion in a state of being substantially sealed by two glasses and a frame, the internal air is changed by the change in the state of the gas in the internal air layer of the glass portion. A variable light transmittance system characterized by reflecting or absorbing part or all of transmitted light transmitted through a layer.   The variable light transmittance system according to claim 1, wherein the state change of the gas is generated by cooling the internal air layer.   The variable light transmittance system includes a condensation nucleus supply device that supplies condensation nuclei to the internal air layer, a humidifier that humidifies the internal air layer, a decompression device that depressurizes the internal air layer, and the condensation nucleus supply. The variable light transmittance system according to claim 2, further comprising a control unit that controls the device, the humidifier, and the pressure reducing device.   The variable light transmittance system includes a temperature sensor that detects a temperature of the internal air layer, a condensation nucleus sensor that detects a condensation nucleus of the internal air layer, a humidity sensor that detects humidity of the internal air layer, A pressure sensor for detecting the pressure of the internal air layer, and the control means is configured to detect the condensation nucleus based on the temperature sensor, the condensation nucleus sensor, the humidity sensor, and the state of the internal air layer detected by the pressure sensor. The light transmittance variable system according to claim 3, wherein the supply device, the humidifier, and the pressure reducing device are controlled.   The variable light transmittance system includes a condensation nucleus supply device that supplies condensation nuclei to the internal air layer, a humidifier that humidifies the internal air layer, a cooling device that cools the internal air layer, and the condensation nucleus supply. The light transmittance variable system according to claim 2, further comprising a control unit that controls the device, the humidifier, and the cooling device.   The variable light transmittance system includes a temperature sensor that detects a temperature of the internal air layer, a condensation nucleus sensor that detects a condensation nucleus of the internal air layer, a humidity sensor that detects humidity of the internal air layer, A pressure sensor for detecting the pressure of the internal air layer, and the control means is configured to detect the condensation nucleus based on the temperature sensor, the condensation nucleus sensor, the humidity sensor, and the state of the internal air layer detected by the pressure sensor. 6. The variable light transmittance system according to claim 5, wherein the supply device, the humidifier, and the cooling device are controlled.   The light transmittance variable system according to claim 1, wherein the gas state change is generated by humidifying the internal air layer.   The variable light transmittance system includes a humidifier that humidifies the internal air layer, and a control unit that operates the humidifier so that the internal air layer is saturated. The light transmittance variable system according to claim 7.   Non-transmission that generates gas that reflects and absorbs part or all of light in a variable light transmittance system that can change the transmittance of light that passes through a glass part that is almost sealed by two glasses and a frame. A gas generator is provided, and a part or all of the transmitted light that passes through the internal air layer is reflected / absorbed by the gas sent from the non-permeate gas generator to the internal air layer of the glass part. Variable light transmittance system.   The variable light transmittance system according to claim 9, wherein the non-permeable gas generating device generates non-permeable gas using water and dry ice.   The light transmittance variable system according to any one of claims 1 to 10, wherein the glass portion constitutes a glass father, and the transparent state of the glass father is changed to opaque instantly.

Images