JP2007315679A - Ventilation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation device capable of ventilating indoor air by a simple composition, and capable of providing an aesthetic effect. <P>SOLUTION: The ventilation device 1 is installed in a building to carry out ventilation of air in a room 300 of the building. The ventilation device 1 has a duct 6 opened in a wall 200 of the building and communicated with a room 300 interior, and an opening and closing means 2 for opening and closing the duct 6. The opening and closing means 2 is provided with an LED light source 91, and a movable part 3 installed in a neighborhood of the LED light source 91, having thermal conductivity, and changing shape in response to temperature change to change an opening of the duct 6. The movable part 3 is composed such that the shape is changed due to temperature change caused in the movable part 3 by absorption and emission of heat of the LED light source 91, and by this, the opening of the duct 6 is changed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a ventilation device that is installed in a building and ventilates the air in the room of the building.

  In order to ventilate the air in the room of a building, a ventilation device is used to do it. As this ventilation apparatus, what was described in patent document 1 is known, for example.

  The ventilator includes a duct that communicates between the room and the floor, a damper that opens and closes the duct, a first controller that controls the opening and closing operation of the damper, and a temperature detector that detects the temperature of the room ( A temperature detector), a temperature setting unit (setting device) for setting a desired temperature in the room, a second control unit (direct digital controller) electrically connected to the temperature detection unit and the temperature setting unit, A signal converter that electrically connects the first control unit and the second control unit; In the ventilator having such a configuration, first, the second control unit is configured to reduce the difference between the indoor temperature preset by the temperature setting unit and the indoor temperature detected by the temperature detection unit. Find the opening. The obtained opening (signal) of the duct is input to the signal converter, and is converted into a protocol signal by the signal converter. The first control unit operates the damper to adjust the opening degree of the duct according to (based on) the protocol signal transmitted through the signal converter. Thereby, the room is ventilated.

  However, in this conventional ventilation device (Patent Document 1), there are a relatively large number of components that constitute the device. For this reason, the configuration of the ventilation device has become complicated. Further, as described above, the control when opening the duct is complicated. Moreover, this ventilation apparatus has only the function to ventilate.

JP-A-2005-282929

  An object of the present invention is to provide a ventilating apparatus that can ventilate indoor air with a simple configuration and can provide an aesthetic effect.

Such an object is achieved by the present inventions (1) to (25) below.
(1) A ventilation device installed in a building and ventilating the indoor air of the building,
A duct that opens to the outer wall of the building and communicates with the room;
Opening and closing means for opening and closing the duct,
The opening / closing means includes an LED light source and a movable part that is installed in the vicinity of the LED light source, and at least a part of which has thermal conductivity and changes its shape according to a temperature change to change the opening of the duct. The movable part absorbs or releases the heat of the LED light source, and a temperature change occurs in the movable part to change its shape, thereby changing the opening of the duct. Ventilation equipment to do.

  (2) The said LED light source is a ventilation apparatus as described in said (1) installed in the position where the light emission is confirmed from the said indoor side at the time of lighting.

  (3) The ventilation according to (1) or (2), wherein the LED light source is configured so that the degree of opening of the duct is confirmed according to the magnitude of illuminance confirmed from the indoor side. apparatus.

  (4) The said LED light source is a ventilator in any one of said (1) thru | or (3) which has a function as a pilot lamp which shows whether the said ventilator is operating.

  (5) The ventilation device according to any one of (1) to (4), wherein the LED light source is installed at a position where the light emission is confirmed from the outside of the building at the time of lighting.

  (6) The ventilator according to any one of (1) to (5), wherein the opening / closing means is installed in the duct.

(7) The duct has an outer opening that opens to the outer wall, and an inner opening that opens to the room,
The ventilator according to any one of (1) to (6), wherein the opening / closing means is installed in the vicinity of the outer opening and / or in the vicinity of the inner opening.

  (8) The ventilator according to (7), wherein the outer opening and the inner opening are provided at substantially the same position in the vertical direction.

  (9) The ventilator according to (7), wherein the outer opening and the inner opening are provided at different positions in the vertical direction.

  (10) The ventilator according to any one of (7) to (9), further including a hood that covers the outer opening.

  (11) The ventilator according to any one of (1) to (10), wherein a portion of the movable portion whose shape changes according to a change in temperature is made of a shape memory material.

  (12) The movable part may take a first state in which the opening degree of the duct is maximum and a second state in which the opening degree of the duct is smaller than that in the first state. The ventilator according to any one of 1) to (11).

  (13) The ventilation device according to (12), wherein the movable portion is in the first state by absorbing heat of the LED light source.

  (14) The ventilator according to (12) or (13), wherein the movable part is in the second state when it is cooled.

  (15) The ventilation device according to (14), wherein the movable portion is cooled by outside air flowing into the duct from the outside of the building.

  (16) The ventilation device according to any one of (12) to (15), wherein the LED light source is directed toward the indoor side in the second state.

  (17) The ventilation device according to any one of (1) to (16), wherein the movable portion is a plate-like body that is cantilevered and supported on the inner surface of the duct.

  (18) The ventilation device according to (17), wherein the LED light source is installed near a fixed end or a free end of the movable part.

  (19) The movable portion includes a plate-like body, a shaft supported by the duct, and a connecting portion that connects the plate-like body and the shaft, and the connecting portion is changed according to a temperature change. The ventilator according to any one of (1) to (16), wherein the plate-like body rotates around the axis when the shape changes.

  (20) The ventilation device according to (19), wherein the LED light source is installed on the plate-like body side or the opposite side with respect to the shaft.

(21) The duct has an outer opening that opens to the outer wall, and an inner opening that opens to the room,
The movable part approaches / separates the lid that can cover the outer opening or the inner opening and the opening that can cover the lid by changing its shape in accordance with a temperature change. The ventilator according to any one of (1) to (16), further including a shape changing unit that is moved in a moving direction.

  (22) The ventilation device according to (21), wherein the LED light source is installed in the vicinity of the shape changing unit.

  (23) The ventilation apparatus according to any one of (1) to (22), further including a deformation assisting unit that assists the deformation of the movable part.

  (24) The ventilation device according to (23), wherein the deformation assisting unit includes a spring that biases the movable part.

(25)
The ventilation device according to any one of (1) to (24), wherein at least a part of the inner surface of the duct constitutes a reflection surface on which light emitted from the LED light source is reflected.

  According to the present invention, the duct can be reliably opened and closed with the LED light source and the movable portion, that is, with a simple and simple configuration. Thereby, indoor air can be ventilated. Moreover, the aesthetic effect is acquired by the light which LED light source emits.

  In addition, when the LED light source is installed at a position where the light emission is confirmed from the indoor side when the LED light source is turned on, the interior of the room is reliably illuminated by the LED light source, so that an aesthetic effect is remarkably exhibited.

Hereinafter, the ventilation apparatus of the present invention will be described in detail based on preferred embodiments shown in the accompanying drawings.
<First Embodiment>
1 to 3 are partial sectional views showing a first embodiment of the ventilation device of the present invention, respectively. FIG. 4 is a diagram showing a configuration example of the LED light source according to the present invention (FIG. 4A is a plan view). 4B is a front view, and FIG. 4C is a cross-sectional view. For convenience of description, in FIGS. 1 to 3, the upper side is described as “upper” and the lower side is described as “lower”. Moreover, the up-down direction in FIGS. 1-3 is a vertical direction, the direction perpendicular | vertical with respect to a paper surface, and the left-right direction are horizontal directions.

  A ventilation apparatus (ventilation system) 1 shown in FIGS. 1 to 3 is installed in, for example, a house (house) as a building, and ventilates air in a room (room) 300 (inside) of the house. The room 300 is separated from the outside of the room 300 (outside (outside) the house) by a wall (outer wall (housing)) 200.

  The ventilation device 1 includes a duct 6 installed on the wall 200, opening / closing means 2 for opening and closing the duct 6, and a hood 8 installed on the wall 200. Hereinafter, the configuration of each unit will be described.

  For example, the duct 6 is formed of a cylindrical body whose cross-sectional shape is a circle or a rectangle. The duct 6 is installed in the wall 200 so as to penetrate the wall 200. Thereby, the duct 6 opens into the wall 200 and the room 300, and thus the inside of the room 300 (inside the house) communicates with the outside (outside the house) through the duct 6. Hereinafter, the portion of the duct 6 that opens to the wall 200 is referred to as “outside opening 61”, and the portion that opens into the chamber 300 is referred to as “inside opening 62”.

  Further, the duct 6 is installed such that its central axis (longitudinal direction) is substantially parallel to the horizontal direction. Therefore, the outer opening 61 and the inner opening 62 are substantially at the same position in the vertical direction. Thereby, the length of the duct 6, that is, the length of the flow path through which the air passes can be set to be relatively short, and therefore the ventilation in the chamber 300 depends on the opening degree of the duct 6. Can be easily and reliably performed.

  A part of the inner opening 62 protrudes toward the chamber 300 (inner side) and is inclined with respect to the central axis of the duct 6, that is, faces downward (floor (not shown) side). . Thereby, the upper part 631 of the inner surface (inner peripheral surface) 63 of the duct 6 protrudes from the lower part 632.

  For example, when the duct is installed in the vicinity of the ceiling (not shown) of the chamber 300, the light L emitted from the LED (light emitting diode) light source 91, which will be described later, is reflected on the upper portion 631 of the inner surface 63, and from the inner opening 62. Irradiated downward. Thereby, the chamber 300 is illuminated from the ceiling side (above), and the LED light source 91 exhibits a function as illumination (indirect illumination). Moreover, the illumination by the LED light source 91 provides an aesthetic effect and a healing effect (relaxation effect).

  Although it does not specifically limit as a constituent material of the duct 6, For example, stainless steel, aluminum, an aluminum-type alloy, etc. are mentioned.

  When the duct 6 is made of such a material, the light L emitted from the LED light source 91 is reflected on the inner surface 63 of the duct 6, that is, the inner surface 63 of the duct 6 is a reflecting surface on which the light L is reflected. Yes. Thereby, the light L can be easily and reliably introduced into the chamber 300.

  A hood 8 is installed on the wall 200. The hood 8 covers the outer opening 61, and the opening 81 is formed downward.

  With such a hood 8, for example, rain can be prevented from entering the duct 6 through the outer opening 61, and thus adverse effects due to rainwater (for example, deterioration of the duct 6) can be prevented. .

  The hood 8 is configured separately from the duct 6, but is not limited to this, and may be formed integrally with the duct 6, for example.

  Moreover, although it does not specifically limit as a constituent material of the food | hood 8, For example, stainless steel, aluminum, an aluminum-type alloy, etc. are mentioned.

  Opening / closing means 2 for opening and closing the duct 6 is installed in the duct 6. The opening / closing means 2 includes a movable part 3 that changes the opening degree of the duct 6 and an LED light source 91 that is in contact with (close to) the movable part 3. Moreover, in the ventilation apparatus 1, when the said ventilation apparatus 1 is act | operating, normally, the LED light source 91 is always lighting.

  In the present embodiment, the opening / closing means 2 is installed in the duct 6 as described above, that is, the movable portion 3 and the LED light source 91 are located (stored) in the duct 6.

  For example, when the movable part 3 is exposed (projected) from the inner opening 62 of the duct 6, the view in the chamber 300 may be impaired. However, in this embodiment, since the movable part 3 is prevented from being exposed from the inner opening 62 of the duct 6, it is possible to suppress or prevent the appearance in the chamber 300 from being impaired.

  For example, when the LED light source 91 is exposed (protruded) from the inner opening 62 of the duct 6, the LED light source 91 is directly illuminated so that the light L emitted from the LED light source 91 is directly irradiated into the chamber 300. However, in this embodiment, since the LED light source 91 is prevented from being exposed from the inner opening 62 of the duct 6, the light L emitted from the LED light source 91 passes through the duct 6 (in the duct 6. The light L is irradiated into the chamber 300 (that is, reflected), that is, the light L leaks from the inner opening 62. Thereby, the LED light source 91 becomes indirect illumination, and thus an aesthetic effect and a healing effect (relaxation effect) are obtained. In general, indirect lighting is said to have aesthetic and healing effects.

  The movable part 3 is configured by a plate-like body having a plate shape. The movable portion 3 (plate-like body) is supported by the upper portion 631 of the inner surface 63 of the duct 6 at the inner opening 62 side, that is, is cantilevered. Thereby, in the movable part 3, the outer opening 61 side becomes the free end 31, and the inner opening 62 side becomes the fixed end 32.

  The movable part 3 has thermal conductivity, and its shape changes according to a temperature change, and a first state (see FIG. 1) and a second state (see FIGS. 2 and 3). I can take it. That is, in this embodiment, the movable part 3 is shape-memorized in the first state. In the first state (first shape), the opening degree of the duct 6 is maximized, and the ventilation efficiency (ventilation rate) is maximized. Further, in the second state (second shape), the opening degree of the duct 6 is smaller than that in the first state, and ventilation is suppressed.

  Moreover, as a constituent material used for such a movable part 3, a shape memory material is mentioned, for example.

  A shape memory material has the property that a shape formed in a certain phase (parent phase) is deformed when it is in another phase and then returns to its original shape when it is returned to the parent phase, that is, a shape memory effect. For example, it is a material that returns to its original shape by heating (reverse transformation) even if the shape formed at high temperature is deformed at room temperature. Here, the temperature at which the reverse transformation starts (the temperature at which it returns to the original shape) is called the reverse transformation start temperature, and the temperature at which the reverse transformation ends is called the reverse transformation end temperature.

  Examples of shape memory materials having such a shape memory effect include shape memory alloys and shape memory polymers.

  Among these, as shape memory alloys, Ti-Ni alloys, Ti-Ni-Cu alloys, Ti-Ni-Fe alloys, Cu-Zn alloys, Cu-Zn-Al alloys, Cu-Al-Ni alloys Examples include alloys, Cu—Au—Zn alloys, Cu—Sn alloys, Ni—Al alloys, Ag—Cd alloys, Au—Cd alloys, In—Tl alloys, In—Cd alloys, and the like. In these shape memory alloys, for example, the reverse transformation start temperature, the reverse transformation end temperature, and the like can be adjusted by changing the content of the constituent elements.

  Examples of the shape memory polymer include styrene-butadiene copolymer, polyurethane, and high density polyethylene.

As described above, the movable portion 3 is deformed into the first state and the second state.
This movable part 3 will be in a 1st state, when the heat | fever which LED light source 91 generate | occur | produces and it reaches reverse transformation start temperature.

  Further, when the movable part 3 in the first state is cooled to a temperature lower than the reverse transformation start temperature, the second state depends on the weight of the LED light source 91 and the portion near the free end 31 of the movable part 3. It becomes. In the second state, as the temperature of the movable part 3 itself is lower than the reverse transformation start temperature, the deflection (deformation) of the movable part 3 increases. In the state shown in FIG. 3, the temperature of the movable part 3 itself is lower than the state shown in FIG. Thereby, the opening degree of the duct 6 shown in FIG. 3 is smaller than the opening degree of the duct 6 shown in FIG.

  Moreover, the movable part 3 in the second state again enters the first state when the heat of the LED light source 91 is absorbed and the reverse transformation start temperature is reached as described above.

  Thus, the opening / closing means 2 is configured such that the bending of the movable part 3 changes depending on the temperature of the movable part 3 itself. Thereby, the opening degree of the duct 6 can be changed with a simple configuration, and therefore the air in the chamber 300 can be reliably ventilated.

  The movable part 3 is cooled by outside air flowing into the duct 6 from the outside (outside the house).

  Thereby, when the temperature (air temperature) of outside air is relatively high (for example, in summer), the cooling of the movable part 3 is suppressed, and the movable part 3 maintains the first state. As a result, the ventilation rate becomes the highest, and therefore the interior of the room 300 becomes comfortable.

  In addition, when the temperature (air temperature) of the outside air is relatively low (for example, in winter), cooling of the movable part 3 is promoted, and the movable part 3 is caused by the weight of the LED light source 91 and the portion near the free end 31 of the movable part 3. The second state is easily achieved, that is, the opening degree of the duct 6 is smaller than that in the first state. Thereby, for example, when the inside of the chamber 300 is kept warm, air (warm air) in the chamber 300 flows out through the duct 6, and outside air (cold air) flows into the chamber 300 through the duct 6. Is prevented. Therefore, the interior of the room 300 becomes comfortable.

  In the present invention, the air flow path (duct 6) may be blocked (closed) by the movable portion 3 in the second state.

  Further, the movable part 3 is deformed by the weight of the portion near the free end 31 of the LED light source 91 and the movable part 3 when cooled, but is not limited to this, and the movable part 3 itself is changed by temperature change. It may have a bi-directional shape memory effect that becomes the first state and the second state (a predetermined state of the second state).

  The movable part 3 is preferably made of a shape memory material, but is not limited to this. For example, the movable part 3 is formed by bonding (bonding) two metal plates having different linear expansion coefficients, that is, bimetal. It may be constituted by.

An LED light source 91 is installed near the free end 31 of the lower surface 33 of the movable portion 3.
As shown in FIG. 4, the LED light source 91 includes a rectangular plate-shaped base 92, a reflecting plate 93 provided on one surface of the base 92 (upper surface in FIG. 4C), and an LED element 94. And a phosphor 95 and a lens 96.

  The base 92 is formed by stacking rectangular metal plates in multiple layers. Further, a plus electrode 97 and a minus electrode 98 are attached to the base 92 by being sandwiched between the multilayer metal plates. In this case, the plus electrode 97 and the minus electrode 98 are not short-circuited. Further, as the main material of the base 92, a material that easily releases the heat of the LED element 94, that is, a metal material having a relatively high thermal conductivity, such as aluminum or an aluminum-based alloy, is used.

  The reflector 93 has a frame shape and is disposed on the outer periphery of the base 92, and reflects the light L on the inner surface thereof.

  The LED element 94 is installed inside the reflector 93, that is, at the center of the base 92. The LED element 94 has a plus electrode 94a and a minus electrode 94b on its lower surface. The plus electrode 94a and the minus electrode 94b are connected to the plus electrode 97 and the minus electrode 98 of the base 92, respectively. The LED element 94 is lit (emitted) when a low-voltage direct current is supplied via the plus electrode 94a and the minus electrode 94b.

  The phosphor 95 is formed so as to cover the LED element 94, and the lens 96 is formed so as to cover the inner surface of the reflecting plate 93 and the phosphor 95.

  The structure of the LED light source 91 is not limited to that described above, and various types can be used.

  In this case, for example, the outer shape of the LED light source 91 is not limited to a rectangular parallelepiped, and may be, for example, a disk shape or a spherical shape.

  Further, as the lens 96, other shapes and characteristics may be used, and the lens 96 may be omitted.

  The LED light source 91 having such a configuration is connected to a power supply unit (not shown) through a conductive wire, and lights (emits light) when a current (for example, a low-voltage direct current) is supplied from the power supply unit.

  Note that the color of the light L (illumination light) emitted from the LED light source 91, that is, the emission color of the LED element 94 may be white, for example, various color colors such as red, green, and blue. There may be.

  Moreover, since the power consumption of the LED light source 91 is relatively small, it is safe to operate the ventilation device 1 continuously for a long time.

  The LED light source 91 installed in the vicinity of the free end 31 of the movable portion 3 is confirmed (viewed) from the inside of the chamber 300 when it is turned on. In other words, the duct 6 becomes an optical path of the light L of the LED light source 91, and the light L is introduced into the chamber 300.

  As a result, the light L leaks from the inner opening 62 (see FIGS. 1 to 3), that is, the LED light source 91 functions as indirect illumination, and thus an aesthetic effect and a healing effect are obtained.

  Moreover, since the free end 31 is located on the outer opening 61 side, the LED light source 91 installed in the vicinity of the free end 31 can confirm its light emission from the outside when it is turned on. Thereby, the feeling that there is a person in the house can be given, and thus a crime prevention effect can be obtained.

  As shown in FIG. 1 (also in FIG. 2), the light L confirmed from the outside reflects the inner surface 82 of the hood 8 and is irradiated downward from the opening 81. Thereby, also on the outside, the LED light source 91 functions as indirect illumination, so that an aesthetic effect and a healing effect are obtained.

In addition, when the ventilator 1 is operating, the LED light source 91 is turned on. Conversely, when the ventilator 1 is not operating, the LED light source 91 is turned off. It functions as a pilot lamp that indicates whether or not the ventilation device 1 is in operation. Thereby, it can be grasped easily and surely whether the ventilator 1 is operating.
Thus, the LED light source 91 emits light L and heat.

  As described above, the LED light source 91 is installed near the free end 31 of the movable portion 3. For this reason, the heat generated by the LED light source 91 is quickly transmitted to the portion of the movable portion 3 on the free end 31 side that is deformed. Thereby, the movable part 3 is easily deformed into the first state. As shown in FIG. 1, in the first state, the optical axis of the LED light source 91 faces vertically downward.

  Further, since the free end 31 is located on the outer opening 61 side, the vicinity of the free end 31 is easily cooled by the outside air. Thereby, the movable part 3 is easily deformed to the second state. As shown in FIGS. 2 and 3, in the second state, the optical axis of the LED light source 91 is directed (inclined) toward the inside of the chamber 300.

  Thus, the direction of the optical axis of the LED light source 91 changes depending on the degree of deformation of the movable portion 3. Thereby, a change (large or small) occurs in the illuminance of the LED light source 91 confirmed from the inside of the chamber 300. By visually recognizing this change in illuminance, the degree of opening of the duct 6 can be easily grasped (confirmed).

  In the ventilator 1, the LED light source 91 and the movable part 3 whose shape changes due to temperature change caused by absorbing or releasing heat of the LED light source 91, that is, the duct 6 is automatically configured with a simple configuration. Can be opened and closed automatically. Thereby, as mentioned above, the magnitude | size of the opening degree of the duct 6 changes suitably according to a season, Therefore, the air in the chamber 300 can be ventilated suitably.

Second Embodiment
FIGS. 5-7 is a fragmentary sectional view which respectively shows 2nd Embodiment of the ventilation apparatus of this invention. For convenience of explanation, in FIGS. 5 to 7, the upper side is described as “upper” and the lower side is described as “lower”. Moreover, the up-down direction in FIGS. 5-7 is a vertical direction, the direction perpendicular | vertical with respect to a paper surface, and the left-right direction are horizontal directions.

  Hereinafter, the second embodiment of the ventilator according to the present invention will be described with reference to these drawings, but the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.

  This embodiment is the same as the first embodiment except that the installation position of the LED light source is different.

  In the ventilation device 1 </ b> A shown in FIGS. 5 to 7, the LED light source 91 is installed in the vicinity of the fixed end 32 of the lower surface 33 of the movable part 3. The LED light source 91 installed in this way is confirmed to emit light from the inside of the chamber 300 when it is turned on. As a result, the light L leaks from the inner opening 62 (see FIGS. 5 to 7), that is, the LED light source 91 functions as indirect illumination, and thus an aesthetic effect and a healing effect are obtained.

  As shown in FIG. 6 and FIG. 7, in the second state, the light L of the LED light source 91 is reflected on the free end 31 side portion of the movable part 3, and the illuminance of the LED light source 91 is in the first state (FIG. (State shown in FIG. 5).

  Moreover, in the state shown in FIG. 7, since the site | part by the side of the free end 31 of the movable part 3 becomes larger than the state shown in FIG. 6, the said site | part will face an inner side. Thereby, in the state shown in FIG. 7, the illuminance of the LED light source 91 is larger than that in the state shown in FIG.

  With such a configuration, a change in illuminance can be visually recognized, and thus the degree of opening of the duct 6 can be easily grasped (confirmed).

<Third Embodiment>
8 to 10 are partial cross-sectional views showing a third embodiment of the ventilation device of the present invention. For convenience of explanation, in FIGS. 8 to 10, the upper side is described as “upper” and the lower side is described as “lower”. Also, the vertical direction in FIGS. 8 to 10 is the vertical direction, the direction perpendicular to the page and the horizontal direction are the horizontal direction.

  Hereinafter, the third embodiment of the ventilating apparatus of the present invention will be described with reference to these drawings, but the description will focus on the differences from the above-described embodiment, and the description of the same matters will be omitted.

  This embodiment is the same as the second embodiment except that the ventilator further includes a deformation assisting means for assisting the deformation of the movable part.

  The ventilation apparatus 1B shown in FIGS. 8 to 10 further includes a tension coil spring 5 as a deformation assisting means for assisting the deformation of the movable portion 3. The tension coil spring 5 biases the movable part 3 in a direction to deform it into the second state.

  One end (upper end) 51 of the tension coil spring 5 is supported near the free end 31 of the lower surface 33 of the movable portion 3, and the other end (lower end) 52 is an inner opening 62 of the inner surface 63 of the duct 6. Is supported on the side.

  When such a tension coil spring 5 is installed, the movable part 3 is deformed from the first state (the state shown in FIG. 8) to the second state (the state shown in FIGS. 9 and 10). The deformation is assisted and performed reliably.

  The tension coil spring 5 biases the movable part 3 in the direction in which the movable part 3 is deformed to the second state, but is not limited to this. For example, the tension coil spring 5 is applied in the direction in which the movable part 3 is deformed to the first state. It may be a force.

  Moreover, although the deformation | transformation auxiliary | assistance means is comprised by the tension coil spring 5, it is not limited to this, For example, you may be comprised by the compression coil spring.

<Fourth embodiment>
FIGS. 11-13 is a fragmentary sectional view which respectively shows 4th Embodiment of the ventilation apparatus of this invention. For convenience of explanation, in FIGS. 11 to 13, the upper side is described as “upper” and the lower side is described as “lower”. Moreover, the up-down direction in FIGS. 11-13 is a vertical direction, the direction perpendicular | vertical with respect to a paper surface, and the left-right direction are horizontal directions.

Hereinafter, the fourth embodiment of the ventilating apparatus of the present invention will be described with reference to these drawings, but the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.
This embodiment is the same as the first embodiment except that the configuration of the movable part is different.

  In the ventilation device 1C shown in FIGS. 11 to 13, the movable portion 3A includes a plate-like body 34, a shaft 35 supported by the duct 6, a connecting portion 36 that connects the plate-like body 34 and the shaft 35, and an LED. It is comprised with the light source installation part 37 in which the light source 91 is installed.

  The axis | shaft 35 is comprised by the rod-shaped body. The shaft 35 is installed in the vicinity of the upper portion 631 of the inner surface 63 of the duct 6 in a direction substantially perpendicular to the central axis of the duct 6.

  The plate-like body 34 is a metal plate made of, for example, stainless steel, aluminum, an aluminum alloy, or the like. The plate-like body 34 is installed so as to be rotatable with respect to the shaft 35. As a result, the plate-like body 34 approaches / separates from the lower portion 632 of the inner surface 63 of the duct 6. That is, 3 A of movable parts are the 1st state (state shown in FIG. 11) in which the opening degree of the duct 6 becomes the maximum, and the 2nd state (in which the opening degree of the duct 6 becomes smaller than the time of a 1st state ( 12 and FIG. 13).

  The connecting portion 36 is a torsion coil spring. The connecting portion 36 is made of a shape memory material as mentioned in the description of the movable portion 3 of the first embodiment. Further, the connecting portion 36 is installed on the outer peripheral side of the shaft 35. The plate-like body 34 is connected to the shaft 35 on the outer opening 61 side through such a connecting portion 36.

  The light source installation unit 37 is a metal plate made of, for example, stainless steel, aluminum, an aluminum alloy, or the like. The light source installation portion 37 is connected to the shaft 35 via the connection portion 36 on the opposite side (inner opening 62 side) to the plate-like body 34 with respect to the shaft 35.

  The LED light source 91 installed in such a light source installation unit 37 is located in the vicinity of the inner opening 62 side. Thereby, the light L of the LED light source 91 is supplied to the chamber 300 through the inner opening 62, and the interior of the chamber 300 is illuminated. Thereby, an aesthetic effect and a healing effect are obtained.

  In the movable part 3 </ b> A configured as described above, the heat of the LED light source 91 is transmitted to the connecting part 36 via the light source installation part 37. The connecting portion 36 absorbs this heat, and a temperature change occurs in the connecting portion 36. Thereby, the connection part 36 deform | transforms and the plate-shaped body 34 rotates clockwise with respect to the axis | shaft 35, ie, the movable part 3A will be in a 1st state (refer FIG. 11).

  In addition, when the connecting portion 36 is cooled in the first state and becomes less than the reverse transformation start temperature, the connecting portion 36 is deformed by the weight of the plate-like body 34, and the plate-like body 34 is moved with respect to the shaft 35. It rotates counterclockwise, that is, the movable part 3A is in the second state (see FIGS. 12 and 13).

  The duct 6 can be reliably opened and closed by the movable portion 3A having such a simple configuration, so that the inside of the chamber 300 can be easily and reliably ventilated.

  In the state shown in FIG. 13, the plate-like body 34 is inclined more with respect to the central axis of the duct 6 than in the state shown in FIG. 12. For this reason, the plate-shaped body 34 will face inside. Accordingly, in the state illustrated in FIG. 13, the light L of the LED light source 91 is reflected by the plate-like body 34, that is, the illuminance of the LED light source 91 is greater than that in the state illustrated in FIG. 12.

  With such a configuration, a change in illuminance can be visually recognized, and thus the degree of opening of the duct 6 can be easily grasped (confirmed).

  In addition, although the LED light source 91 is installed on the opposite side to the plate-like body 34 with respect to the shaft 35, the present invention is not limited to this and may be installed on the plate-like body 34 side.

<Fifth Embodiment>
FIGS. 14-16 is a fragmentary sectional view which respectively shows 5th Embodiment of the ventilation apparatus of this invention. For convenience of explanation, in FIGS. 14 to 16, the upper side is described as “upper” and the lower side is described as “lower”. 14 to 16, the vertical direction is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

Hereinafter, the fifth embodiment of the ventilator of the present invention will be described with reference to these drawings. However, the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.
This embodiment is the same as the first embodiment except that the configuration of the movable part is different.

  In the ventilation device 1D shown in FIGS. 14 to 16, the movable part 3 </ b> B has a lid 38 that can cover the inner opening 62, and a shape change that moves the lid 38 in a direction to approach / separate the inner opening 62. A portion 39, and a support member 40 that supports the lid 38 and the shape deforming portion 39 in the duct 6 are configured.

  In the ventilation device 1D, the movable portion 3B includes a first state (state shown in FIG. 14) in which the lid 38 is spaced apart from the inner opening 62 and the opening of the duct 6 is maximized, and the lid 38 is It changes to the 2nd state (state shown in Drawing 15 and Drawing 16) which approaches inner side opening part 62, and the opening of duct 6 becomes smaller than the 1st state.

  In the state shown in FIGS. 14 and 15, the light L of the LED light source 91 leaks through a gap formed between the lid 38 and the inner opening 62. As a result, the interior of the room 300 is illuminated, so that an aesthetic effect and a healing effect are obtained.

  In the state shown in FIG. 16, the lid 38 is in contact with the inner opening 62 and the air flow path (duct 6) is blocked.

  The lid body 38 includes a lid body 381 having a disk shape whose outer diameter is larger than that of the inner opening 62, and a shaft 382 protruding from the outer surface of the lid body 381.

  The lid body 381 may be light transmissive or light opaque. When the lid body 381 is light transmissive, the light L of the LED light source 91 is visually recognized through the lid body 381. When the lid body 381 is light-impermeable, a large number of small holes may be formed in the lid body 381. Thereby, the light L of the LED light source 91 is visually recognized through each small hole.

  The shape deforming portion 39 has a coil shape. The shape deforming portion 39 is made of a shape memory material as mentioned in the description of the movable portion 3 of the first embodiment. Further, a part of the shape deforming portion 39 is installed on the outer peripheral side of the shaft 35.

  The support member 40 has a U-shaped longitudinal section. The shaft 382 of the lid 38 is inserted through the support member 40 in the longitudinal direction of the support member 40. Further, the shape deforming portion 39 is located on the outer opening 61 side inside the support member 40 (U-shaped).

  Further, the LED light source 91 is installed in the vicinity of the shape changing portion 39 of the shaft 382 of the lid 38. Thereby, the heat generated by the LED light source 91 is easily transmitted to the shape changing portion 39. Thereby, the shape change part 39 can absorb the heat | fever of the LED light source 91 easily, Therefore A temperature change arises in the shape change part 39, and it deform | transforms. At this time, the movable portion 3B is in the first state.

  Moreover, when the shape change part 39 is cooled and becomes less than the reverse transformation start temperature in the first state, the shape change part 39 is deformed by the urging force of the compression coil spring 7. At this time, the movable portion 3B is in the second state.

  In addition, the movable portion 3B is provided with a compression coil spring 7 as a deformation assisting means for assisting the deformation of the shape deforming portion 39. The compression coil spring 7 biases the shape deforming portion 39 in a direction for deforming it into the second state.

  The compression coil spring 7 is installed on the side opposite to the shape changing portion 39 via the plate member 41. That is, the compression coil spring 7 is sandwiched (compressed) by the plate member 41 and the portion inside the support member 40.

  When such a compression coil spring 7 is installed, the movable portion 3B changes from the first state (the state shown in FIG. 14) to the second state (the state shown in FIGS. 15 and 16). That change will surely take place.

  The compression coil spring 7 biases the movable part 3B in the direction to change to the second state, but is not limited to this. For example, the compression coil spring 7 is attached in the direction to change the movable part 3B to the first state. It may be a force.

  Moreover, although the deformation | transformation auxiliary | assistant means is comprised by the compression coil spring 7, it is not limited to this, For example, you may be comprised by the tension coil spring.

  By such a movable part 3B having a simple configuration, the duct 6 is reliably opened and closed, so that the inside of the chamber 300 can be easily and reliably ventilated.

<Sixth Embodiment>
17 to 19 are partial cross-sectional views showing a sixth embodiment of the ventilation device of the present invention. For convenience of explanation, in FIGS. 17 to 19, the upper side is described as “upper” and the lower side is described as “lower”. Moreover, the up-down direction in FIGS. 17-19 is a vertical direction, the direction perpendicular | vertical with respect to a paper surface, and the left-right direction are horizontal directions.

  Hereinafter, the sixth embodiment of the ventilator of the present invention will be described with reference to these drawings. However, the difference from the above-described embodiment will be mainly described, and description of similar matters will be omitted.

  This embodiment is the same as the fifth embodiment except that the installation direction (installation form) of the movable part is different.

  In the ventilation device 1E shown in FIGS. 17 to 19, the movable portion 3B is such that the lid body 38 can cover the outer opening 61.

  In the state shown in FIGS. 14 and 15, air can flow through the duct 6 through a gap formed between the lid 38 and the outer opening 61.

  In the state shown in FIG. 19, the lid 38 is in contact with the inner opening 62 to block the air flow path (duct 6). Moreover, in the state shown in FIG. 19, it is suppressed that the light L leaks outside.

  The movable part 3B having such a simple configuration ensures that the duct 6 is opened and closed reliably in the same manner as in the fifth embodiment. Therefore, the inside of the chamber 300 can be easily and reliably ventilated.

  Further, in the ventilator 1E, the interior of the chamber 300 is reliably illuminated by the light L of the LED light source 91 regardless of whether the duct 6 is opened or closed, that is, the inner opening 62 is not covered with the lid 38.

<Seventh embodiment>
FIG. 20 is a partial cross-sectional view showing a seventh embodiment of the ventilation device of the present invention. For convenience of explanation, in FIG. 20, the upper side is described as “upper” and the lower side is described as “lower”. Further, the vertical direction in FIG. 20 is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

Hereinafter, the seventh embodiment of the ventilating apparatus of the present invention will be described with reference to this figure, but the description will focus on the differences from the above-described embodiment, and the description of the same matters will be omitted.
The present embodiment is the same as the first embodiment except that the shape of the duct is different.

  In the ventilation device 1F shown in FIG. 20, the outer opening 61 and the inner opening 62 are provided at different positions in the vertical direction, and the opening / closing means 2 is installed in the vicinity of each opening. Thereby, for example, even when one of the opening / closing means 2 breaks down, the duct 6A can be opened and closed, and the chamber 300 can be ventilated.

  Further, as described above, the outer opening 61 and the inner opening 62 are provided at different positions in the vertical direction, that is, the outer opening 61 is located above the inner opening 62.

  In the ventilator 1F, the outer wall 64 and the inner wall 65 of the duct 6A are light transmissive.

  The light L of the LED light source 91 can be seen from the outside of the house through the wall portion 64. In addition, this makes it possible to give a feeling that there is a person in the house, and when a person approaches the ventilator 1F outside the house, the person is brightly illuminated by the illumination to the outside. Thereby, the crime prevention effect is acquired.

  Further, the light L of the LED light source 91 can be seen from the chamber 300 through the wall portion 65. Thereby, an aesthetic effect and a healing effect (relaxation effect) are obtained.

  Moreover, the outer wall 64 and the inner wall 65 are heated by the heat generated by the LED light source 91 and the air heated by the heat, and these condensations can be prevented.

  Moreover, the wall parts 64 and 65 may each be installed so that opening and closing is possible, and may be installed fixedly.

<Eighth Embodiment>
FIG. 21 is a partial cross-sectional view showing an eighth embodiment of the ventilation device of the present invention. For convenience of explanation, in FIG. 21, the upper side is described as “upper” and the lower side is described as “lower”. Further, the vertical direction in FIG. 21 is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

Hereinafter, the eighth embodiment of the ventilator of the present invention will be described with reference to this figure. However, the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.
The present embodiment is the same as the seventh embodiment except that the number of opening / closing means is different.

  In the ventilation device 1G shown in FIG. 21, the opening / closing means 2 is installed only in the vicinity (side) of the inner opening 62. Thereby, the structure can be simplified.

<Ninth Embodiment>
FIG. 22 is a partial cross-sectional view showing a ninth embodiment of the ventilation device of the present invention. For convenience of explanation, in FIG. 22, the upper side is described as “upper” and the lower side is described as “lower”. Further, the vertical direction in FIG. 22 is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

Hereinafter, the ninth embodiment of the ventilating apparatus of the present invention will be described with reference to this figure, but the description will focus on the differences from the above-described embodiment, and the description of the same matters will be omitted.
The present embodiment is the same as the seventh embodiment except that the number of opening / closing means is different.

  In the ventilation device 1H shown in FIG. 22, the opening / closing means 2 is installed only in the vicinity (side) of the outer opening 61. Thereby, the structure can be simplified.

<Tenth Embodiment>
FIG. 23 is a partial cross-sectional view showing a tenth embodiment of the ventilation device of the present invention, and FIG. 24 is a perspective view showing a configuration example of the LED light source in the present invention. For convenience of explanation, in FIG. 23B, the upper side is described as “upper” and the lower side is described as “lower”. In addition, a direction perpendicular to the paper surface in FIG. 23A is a vertical direction, and an up-down direction and a left-right direction are horizontal directions. In FIG. 23B, the vertical direction is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

Hereinafter, the tenth embodiment of the ventilator of the present invention will be described with reference to these drawings. However, the description will focus on differences from the above-described embodiment, and the description of the same matters will be omitted.
This embodiment is the same as the seventh embodiment except that the configuration of the LED light source is different.

  In the ventilation device 1i shown in FIG. 23, a plurality of LED light sources 91 constitutes an LED unit 90 formed by connecting them. As this LED unit 90, as shown in FIG. 24 (A), it is packaged, and as shown in FIG. 24 (B), it is connected by a conducting wire (cable) etc. whose surface is insulated. The thing of various forms, such as what is, can be used. In the present embodiment, a plurality of LED light sources 91 shown in FIG. 24A are connected in a substantially straight line, packaged, and a long LED unit 90 is used.

  The LED unit 90 having such a configuration is arranged along the vertical direction on the wall 64 side and the wall 65 side, respectively.

  Thereby, the light L of the LED unit 90 can be seen from the outside of the house through the wall portion 64. In addition, this makes it possible to give a feeling that there is a person in the house, and when a person approaches the ventilator 1i outside the house, the person is brightly illuminated by the illumination to the outside. Thereby, the crime prevention effect is acquired.

  Further, the light L of the LED unit 90 can be seen from the chamber 300 through the wall portion 65. Thereby, an aesthetic effect and a healing effect (relaxation effect) are obtained.

<Eleventh embodiment>
FIG. 25 is a partial cross-sectional view showing an eleventh embodiment of the ventilation device of the present invention. For convenience of explanation, in FIG. 25B, the upper side is described as “upper” and the lower side is described as “lower”. In addition, a direction perpendicular to the paper surface in FIG. 25A is a vertical direction, and a vertical direction and a horizontal direction are horizontal directions. In FIG. 25B, the vertical direction is the vertical direction, the direction perpendicular to the paper surface, and the horizontal direction are the horizontal direction.

  Hereinafter, the eleventh embodiment of the ventilator of the present invention will be described with reference to this figure, but the description will focus on the differences from the above-described embodiment, and the description of the same matters will be omitted.

  The present embodiment is the same as the tenth embodiment except that the number of LED units installed is different.

  In the ventilation device 1J shown in FIG. 25, the LED unit 90 is arranged along the vertical direction on the wall 65 side. Thereby, the light L of the LED unit 90 can be seen from the chamber 300 through the wall portion 65. Thereby, an aesthetic effect and a healing effect (relaxation effect) are obtained. Further, the light L of the LED unit 90 indirectly illuminates the outside through the wall portion 64. That is, on the outside, the LED unit 90 becomes indirect illumination, and an aesthetic effect and a healing effect are obtained.

  In addition, you may provide the opening-closing means 2 (the movable part 3 and LED unit 90) not on the wall part 65 side but on the wall 64 side, for example.

  As mentioned above, although the ventilation apparatus of this invention was demonstrated about embodiment of illustration, this invention is not limited to this, Each part which comprises a ventilation apparatus is a thing of arbitrary structures which can exhibit the same function. Can be substituted. Moreover, arbitrary components may be added.

  Moreover, the ventilation apparatus of the present invention may be a combination of any two or more configurations (features) of the above embodiments.

  For example, in the ventilators of the second to fourth embodiments and the seventh to eleventh embodiments, hoods that are substantially the same as those of the ventilator of the first embodiment may be installed, respectively.

  Moreover, the deformation | transformation assistance means may be provided in the movable part of 1st Embodiment, 4th Embodiment, and 7th Embodiment-11th Embodiment, respectively.

  In the seventh to eleventh embodiments, the outer side and the inner side may be reversed (inverted) with respect to the outer wall. That is, in the seventh to eleventh embodiments, the outer opening is located above the inner opening, but the present invention is not limited to this, and the inner opening may be located above the outer opening. Good.

It is a fragmentary sectional view which shows 1st Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 1st Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 1st Embodiment of the ventilation apparatus of this invention. FIGS. 4A and 4B are diagrams illustrating a configuration example of an LED light source according to the present invention (FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. 4C is a cross-sectional view). It is a fragmentary sectional view which shows 2nd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 2nd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 2nd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 3rd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 3rd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 3rd Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 4th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 4th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 4th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 5th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 5th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 5th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 6th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 6th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 6th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 7th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 8th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 9th Embodiment of the ventilation apparatus of this invention. It is a fragmentary sectional view which shows 10th Embodiment of the ventilation apparatus of this invention. It is a perspective view which shows the structural example of the LED light source in this invention. It is a fragmentary sectional view which shows 11th Embodiment of the ventilation apparatus of this invention.

Explanation of symbols

1, 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1i, 1J Ventilator (ventilation system)
2 Opening / closing means 3, 3A, 3B Movable portion 31 Free end 32 Fixed end 33 Lower surface 34 Plate body 35 Axis 36 Connecting portion 37 Light source installation portion 38 Lid body 381 Lid body body 382 Shaft 39 Shape changing portion 40 Support member 41 Plate member 5 Tension coil spring 51 One end (upper end)
52 Other end (lower end)
6, 6A Duct 61 Outer opening 62 Inner opening 63 Inner surface (inner peripheral surface)
631 Upper part 632 Lower part 64, 65 Wall part 7 Compression coil spring 8 Hood 81 Opening part 82 Inner surface 90 LED unit 91 LED (light emitting diode) light source 92 Base 93 Reflecting plate 94 LED element 94a Plus electrode 94b Negative electrode 95 Phosphor 96 Lens 97 Plus Electrode 98 Negative electrode 200 Wall (outer wall (frame))
300 rooms
L light

Claims (25)

A ventilation device that is installed in a building and ventilates the indoor air of the building,
A duct that opens to the outer wall of the building and communicates with the room;
Opening and closing means for opening and closing the duct,
The opening / closing means includes an LED light source and a movable part that is installed in the vicinity of the LED light source, and at least a part of which has thermal conductivity and changes its shape according to a temperature change to change the opening of the duct. The movable part absorbs or releases the heat of the LED light source, and a temperature change occurs in the movable part to change its shape, thereby changing the opening of the duct. Ventilation equipment to do.   The ventilation device according to claim 1, wherein the LED light source is installed at a position where the light emission is confirmed from the indoor side when the LED light source is turned on.   The ventilator according to claim 1 or 2, wherein the LED light source is configured so that the degree of opening of the duct is confirmed according to the level of illuminance confirmed from the indoor side.   The ventilator according to any one of claims 1 to 3, wherein the LED light source has a function as a pilot lamp indicating whether or not the ventilator is in operation.   The ventilator according to any one of claims 1 to 4, wherein the LED light source is installed at a position where the light emission is confirmed from the outside of the building at the time of lighting.   The ventilation apparatus according to any one of claims 1 to 5, wherein the opening / closing means is installed in the duct. The duct has an outer opening that opens to the outer wall and an inner opening that opens to the room,
The ventilator according to any one of claims 1 to 6, wherein the opening / closing means is installed in the vicinity of the outer opening and / or in the vicinity of the inner opening.   The ventilator according to claim 7, wherein the outer opening and the inner opening are provided at substantially the same position in the vertical direction.   The ventilator according to claim 7, wherein the outer opening and the inner opening are provided at different positions in the vertical direction.   The ventilator according to any one of claims 7 to 9, further comprising a hood that covers the outer opening.   The ventilation device according to any one of claims 1 to 10, wherein a portion of the movable portion whose shape changes according to a temperature change is made of a shape memory material.   The said movable part can take the 1st state in which the opening degree of the said duct becomes the maximum, and the 2nd state in which the opening degree of the said duct becomes smaller than the time of this 1st state. The ventilation apparatus in any one of.   The ventilator according to claim 12, wherein the movable part is in the first state by absorbing heat of the LED light source.   The ventilation device according to claim 12 or 13, wherein the movable portion is in the second state when the movable portion is cooled.   The ventilator according to claim 14, wherein the movable part is cooled by outside air flowing into the duct from the outside of the building.   The ventilation device according to any one of claims 12 to 15, wherein in the second state, the LED light source faces the indoor side.   The ventilator according to any one of claims 1 to 16, wherein the movable part is a plate-like body that is cantilevered on the inner surface of the duct.   The ventilation device according to claim 17, wherein the LED light source is installed near a fixed end or a free end of the movable part.   The movable portion includes a plate-like body, a shaft supported by the duct, and a connecting portion that connects the plate-like body and the shaft, and the shape of the connecting portion changes according to a temperature change. The ventilator according to any one of claims 1 to 16, wherein the plate-like body is configured to rotate about the axis.   The ventilation device according to claim 19, wherein the LED light source is installed on the plate-like body side or the opposite side with respect to the shaft. The duct has an outer opening that opens to the outer wall and an inner opening that opens to the room,
The movable part approaches / separates the lid that can cover the outer opening or the inner opening and the opening that can cover the lid by changing its shape in accordance with a temperature change. The ventilator according to any one of claims 1 to 16, further comprising a shape changing portion that is moved in a moving direction.   The ventilation device according to claim 21, wherein the LED light source is installed in the vicinity of the shape changing portion.   The ventilation apparatus according to any one of claims 1 to 22, further comprising a deformation assisting unit that assists the deformation of the movable part.   The ventilation apparatus according to claim 23, wherein the deformation assisting means is configured by a spring that biases the movable part.   The ventilation device according to any one of claims 1 to 24, wherein at least a part of the inner surface of the duct constitutes a reflection surface on which light emitted from the LED light source is reflected.

Images