JP2011032649A - Building with sun parlor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a building with a sun parlor allowing efficient use of the sun parlor installed in a veranda in either of winter and summer. <P>SOLUTION: The surface part of a sun parlor floor 20, which constitutes a floor of the sun parlor 16 on the veranda 15, and the surface part of a wall 22 of the sun parlor 16 serve as heat storage parts 20a and 22a, and heat radiated from the heat storage parts 20a and 22a in the night warms the sun parlor 16. A skylight 27 is arranged to be opened/closed in a roof 26 above the sun parlor 16 while a communication part 31 allowing communication between the sun parlor 16 and an attic 30 is arranged to be opened/closed, so that heat in the sun parlor 16 is released to the outside from the skylight 27 and is released to the attic 30 from the communication part 31 in summer. Therefore, the sun parlor can be effectively used in either of winter and summer. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a building with a solarium in which a solarium is provided in a part of Benlanda.

The thing of patent document 1 is known as an example of the solarium which can be easily installed in the veranda of a detached house or an apartment house.
This sunroom is a sunroom that is detachably installed on a veranda of a detached house or an apartment house, and is a sash frame that is assembled and installed on the veranda so that it can be disassembled, and a window that is detachably fitted to the sash frame And glass.

JP-A-8-68218

  By the way, in the solarium provided on the veranda as described above, the solarium can be warmed by inserting solar radiation through the glass window during the winter day, but the solarium does not enter the solarium at night. Therefore, there is a problem that it is difficult to effectively use the solarium because the solarium gets cold, and in the summer, the solarium becomes too hot and may overheat.

  This invention is made | formed in view of the said situation, and makes it a subject to provide the building with a solarium which can utilize effectively the solarium provided in the veranda in both winter and summer.

In order to solve the above problem, a building with a sunroom according to claim 1 is a building with a sunroom in which a sunroom 16 is provided in a part of Benlanda 15 as shown in FIGS.
At least one of the surface portion of the sunroom floor 20 that is a part of the floor of the veranda 15 and that constitutes the floor of the sunroom 16, and the surface portion of the wall 22 of the sunroom 16 are heat storage portions 20a, 22a.

  According to the first aspect of the present invention, the heat storage units 20a and 22a store the heat of the air heated by the sun inserted into the sun room 16 during the winter day, and the heat storage units 20a and 22a dissipate heat at night. Since the solarium 16 is warmed, the solarium 16 can be used effectively.

The invention according to claim 2 is a building with a solarium according to claim 1,
The wall 22 of the sunroom 16 is provided with a take-in portion 25 for taking the air of the sunroom 16 into the room 9 in the building.

  According to the second aspect of the present invention, the air in the sunroom 16 heated by sunlight during the winter day is taken into the room 9 in the building by the take-in part 25, and from the heat storage parts 20a and 22a at night. The room 9 in the building can be warmed by taking in the air in the sunroom 16 that has been heated by the heat radiation of the air into the room 9 in the building by the intake portion 25.

Invention of Claim 3 is a building with a solarium of Claim 1 or 2,
The roof 26 on the sun room 16 is provided with a skylight 27 that can be opened and closed.
The outer wall 29 that supports the roof 26 is provided with an openable / closable communication portion 31 that allows communication between the sunroom 16 and the hut 30.
The roof 26 or the skylight 27 is provided with a shielding member 28 that can shield the solar radiation to the skylight 27 so as to be opened and closed.

According to the third aspect of the present invention, during the summer day, as shown in FIG. 5, the shielding member 28 is closed to block the solar radiation to the skylight 27 and the sunlight to the sunroom 16 is blocked. As a result, the temperature of the sunroom 16 can be prevented from rising, and the sunroom 16 can be prevented from overheating by opening the communicating portion 31 and releasing the hot air from the sunroom 16 to the back of the hut 30.
Further, during the summer night, as shown in FIG. 6, the skylight 27 is opened to let the hot air in the sunroom 16 escape to the outside from the skylight 27, and the hot air from the sunroom 16 is opened to the hut 30 by opening the communication portion 31. By letting it escape, overheating of the sunroom 16 can be prevented.
As shown in FIG. 3, during the winter day, the sunroom 16 is effective by taking sunlight into the sunroom 16 through the skylight 27 in a closed state and closing the communication portion 31 to prevent the outflow of warm air. Heat can be effectively stored, and heat can be effectively stored in the heat storage portions 20a and 22a.
As shown in FIG. 4, in the winter night, the skylight 27, the shielding part 28, and the communication part 31 are closed to prevent outflow of air heated by heat radiation from the heat storage parts 20 a and 22 a, thereby 16 can be effectively warmed.
Therefore, the sunroom 16 can be used effectively in both winter and summer.

Invention of Claim 4 is a building with a solarium as described in any one of Claims 1-3,
The veranda 15 is provided with a translucent first door 34 and an air permeable second door 35 so as to selectively partition the boundary between the sunroom 16 and the outside. And

According to the invention described in claim 4, in winter, as shown in FIGS. 3 and 4, by providing the first house 34 having translucency at the boundary between the sunroom 16 and the outside, the sunroom is provided. The sunlight can be effectively taken into the 16 through the first house 34.
In summer, as shown in FIGS. 5 and 6, by providing a second door 35 having air permeability at the boundary between the sun room 16 and the outside, the outside air is passed through the second house 35 in the sun room 16. Can be used to prevent overheating of the sunroom 16.

Invention of Claim 5 is a building with a solarium as described in any one of Claims 1-4,
The bathroom 11 or the washroom 10 provided in the building is provided so as to extend to the veranda 15 side, and is arranged adjacent to each other so that the bathroom 11 or the washroom 10 and the sunroom 16 can be moved back and forth. It is characterized by being.

  According to the fifth aspect of the present invention, the warm air in the sunroom 16 can be taken into the bathroom 11 or the washroom 10 in the winter, and the moisture in the bathroom 11 or the washroom 10 is transferred from the sunroom 16 to the outside in the summer. I can escape. Further, when the washing machine 10 a is installed in the washroom 10, the laundry can be immediately dried on the sunroom 16.

According to the present invention, the heat storage part stores the heat of the air heated by the sunlight inserted into the solarium during the winter day, and heats the solarium by dissipating it from the heat storage part at night. Available to:
Further, in summer, it is possible to release the hot air of the solarium from the skylight to the outside and escape from the communicating portion to the back of the hut, and furthermore, the sunroom temperature rise can be suppressed by the shielding member, so that the solarium can be prevented from overheating. Therefore, the solarium can be used effectively in both winter and summer.

An example of the building with a solarium which concerns on this invention is shown, and it is a top view of the 2nd floor. It is a top view of the 1st floor. It is a principal part side sectional view of the building which shows the solarium during the winter day. It is a principal part side sectional view of the building which shows the solarium of the winter night. It is a principal part sectional side view of the building which shows the solarium during the summer day. It is a principal part side sectional view of the building which shows the solarium at the same time in the summer.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view of the second floor of a building with a solarium according to the present invention, and FIG. 2 is a plan view of the first floor.
As shown in FIG. 2, a living room 1 is provided on the south side of the first floor. In the living room 1, a Western-style room part 1a and a Japanese-style room part 1b are adjacent to the left and right (east and west), and a stairs 2 leading to the second floor is provided on the east side of the Japanese-style room part 1b. A wet edge 3 is provided on the south side of the living room 1.
On the north side of the living room 1, a kitchen 4 and a washroom 5 are provided adjacent to the east and west. Further, an entrance porch 6 is provided at the southwest corner, and a soil gap 7 is provided on the north side of the entrance porch 6 so as to extend from north to south. The interstitial space 7 is composed of an entrance soil portion 7a and a break soil portion 7b provided on the north side of the entrance soil portion 7a. The entrance space 7 can enter and exit the western room portion 1a of the living room 1.

As shown in FIG. 1, on the south side of the second floor, an atrium 8 and a bedroom 9 are provided adjacent to the east and west, and a washroom 10 is provided on the west side of the bedroom 9. A bathroom 11 is provided adjacent to the bathroom 11. Further, a washing machine 10 a is installed in the washroom 10.
The atrium 8 is a space that blows from the upper part of the Japanese room 1b on the first floor to the ceiling on the second floor.
Further, a corridor 12 extending from east to west is provided on the north side of the bedroom 9, and a bedroom 13 is provided on the north side of the corridor 12. An atrium 14 is provided on the west side of the bedroom 13. The atrium 14 is a space that blows from the upper part of the break space 7b on the first floor to the ceiling on the second floor.

Further, a veranda 15 is provided on the south side of the bedroom 9 and the atrium 8, and a sun room 16 is provided on a part of the veranda 15, that is, on the west end. Accordingly, the veranda 15 is constituted by the sunroom 16 and the external veranda portion 15a.
The bathroom 11 is provided so as to project on the veranda 15 side, and the bathroom 11 and the sun room 16 are arranged adjacent to each other so that they can come and go. That is, the wall 17 that partitions the bathroom 11 and the sunroom 16 is provided with an entrance 17a and a door 17b that opens and closes the entrance 17a.
A wall 18 is provided at the east end of the sunroom 16 so as to partition the sunroom 16 and the external veranda 15a. The wall 18 has an entrance 18a and a door 18b for opening and closing the entrance 18a. Is provided.

As shown in FIGS. 3-6, the surface part of the sunroom floor 20 which comprises the floor of the said sunroom 16 is the heat storage part 20a. That is, the sunroom floor 20 includes a floor main body 21 filled with a heat insulating material 21 a and a plate-like heat storage section 20 a provided on the surface of the floor main body 21.
As the heat storage material constituting the heat storage unit 20a, a latent heat storage material that stores heat using latent heat, for example, is preferable in that the heat storage capacity can be made relatively large and the heat storage effect is enhanced. The latent heat storage material is a material that stores and releases heat by melting and solidifying latent heat of a simple substance, a eutectic mixture, or a freezing point depressing substance. When a latent heat storage material is used as the heat storage unit 20a, for example, an inorganic salt hydrate such as sodium sulfate decahydrate and calcium chloride hexahydrate filled in a hollow plate formed of a hard resin, What is necessary is just to spread on the surface of the floor main body 21.

Moreover, the wall 22 of the sunroom 16, that is, the surface portion of the outer wall 22 that partitions the sunroom 16 and the room (bedroom 9) in the building is a heat storage portion 22a. The outer wall 22 includes a wall body 23 filled with a heat insulating material 23 a and a plate-like heat storage section 22 a provided on the surface of the wall body 23.
As the heat storage material constituting the heat storage unit 22a, a latent heat storage material can be used in the same manner as the heat storage unit 20a. When a latent heat storage material is used as the heat storage section 22a, for example, a wall body made by sealing an inorganic salt hydrate such as sodium sulfate decahydrate or calcium chloride hexahydrate with an aluminum sheet processed with special resin paraffin is used. What is necessary is just to attach to the surface of 23.

  In addition, at the upper end portion of the wall 22 of the sunroom 16, a take-in portion 25 that takes in the air of the sunroom 16 into the room (bedroom) 9 in the building is provided. The take-in portion 25 includes an opening 25a formed at the upper end of the wall 22, a fan 25b provided in the opening 25a, and a shutter (not shown) that opens and closes the opening 25a. The fan 25b can be turned on and off by a controller (not shown) provided in the building. When the fan 25b is ON, the shutter is opened, and when the fan 25b is OFF, the shutter is closed.

A roof 26 of a building is located on the sun room 16, and a skylight 27 is provided on the roof 26 so as to be opened and closed. That is, an opening is formed in the eaves portion of the roof 26, and a skylight 27 is provided in the opening so as to be rotatable up and down around one end thereof. The opening is opened by rotating the skylight 27 upward, and the opening is closed by rotating downward from that position. The skylight 27 is composed of a window frame and a transparent plate glass fitted in the window frame, and sunlight (sunlight) is inserted into the sunroom 16 through the plate glass. The skylight 27 can be opened and closed by a controller (not shown) provided in the building.
The window frame of the skylight 27 is provided with a shielding member 28 that can shield sunlight from the skylight 27 so as to be opened and closed. The shielding member 28 is, for example, a roll blind. When the roll blind is unwound, it shields sunlight from the skylight 27 to shield the sunlight from the skylight 27 to the sunroom 16, and the roll blind is wound up. As a result, the sunlight enters the sun room 16 through the skylight 27.
The roll blind can be opened and closed (winding and unwinding operation) by a controller (not shown) provided in the building.

The outer wall 29 that supports the roof 26 is provided with a communication portion 31 that allows the sunroom 16 and the cabin back 30 to communicate with each other. The communication part 31 is comprised from the opening part 31a formed in the wall 29, and the damper 31b which is provided in this opening part 31a and opens and closes this opening part 31a. The damper 31b pivots back and forth (left and right in FIG. 3) with the upper end portion as an axis. Then, the opening 31a is opened by rotating the damper 31b rearward (at the back of the hut 30), the sunroom 16 and the shed 30 are communicated, and the opening 31a is rotated forward from that position. 31a is closed.
The damper 31b can be opened and closed by a controller (not shown) provided in the building. The damper 31b is normally opened during the summer and normally closed during the winter.

  The sunroom floor 20 is formed with a plurality of slits 32 penetrating vertically. In the summer, external air can be taken into the sunroom 16 through the slits 32. . A closing plate 33 is detachably attached to the lower surface of the sunroom floor 20. The closing plate 33 is attached to the lower surface of the sunroom floor 20 in winter so as to block the lower end opening of the slit 32 and prevent external cold air from flowing into the sunroom 16 through the slit 32. It is. The closing plate 33 is formed of, for example, a relatively flexible resin and is in close contact with the lower surface of the sunroom floor 20. The closing plate 33 is removed from the lower surface of the sunroom floor 20 in the summer.

Further, the first land 34 having translucency and the second door 35 having air permeability are provided in the benlander 15 so as to selectively partition the boundary between the sun room 16 and the outside. .
That is, as shown in FIG. 1, a door pocket 36 is provided at a front edge of the veranda 15 at a right angle to the wall 17. The door pocket 36 has two sliding first doors 34, 34. And two sliding-type second houses 35, 35 are provided so as to be selectively pulled out.
As shown in FIGS. 3 and 4, the first door 34 is a transparent glass door, and when the two doors are pulled out from the door pocket 36, the front opening of the sunroom 16 is closed, and one of the first doors 34 is It protrudes from the end of the wall 18 to the veranda 15 side. In such a first house 34, sunlight can be taken into the sunroom 16, but outside air is prevented from flowing into the sunroom 16.
As shown in FIGS. 5 and 6, the second door 35 is a gallery door, and has a plurality of openings 35 a penetrating in the thickness direction. The opening 35a may be a slit-like shape extending in the left-right direction, or may be a rectangular hole-like shape arranged in a lattice shape in the vertical and horizontal directions. An insect screen (not shown) is attached to the second door 35 so as to cover the surface of the second door 35. When the second door 35 is pulled out from the door pocket 36, the second door 35 is disposed in the front opening of the sun room 16, and one second door 35 projects from the end of the wall 18 toward the veranda 15. ing. In such a second house 35, it is possible to prevent sunlight from obliquely upward to the sunroom 16, and to take outside air into the sunroom 16 through the opening 35a.

Next, the usage method of the building with a sunroom of the said structure is demonstrated.
(1) Winter daytime During the winter daytime, as shown in FIG. 3, the skylight 27 is closed and the shielding member 28 is opened. Accordingly, the sunlight can be taken into the sunroom 16 through the plate glass of the skylight 27 and the outside cold air from the skylight 27 is prevented from flowing into the sunroom 16.
Further, the two first doors 34 are pulled out from the door pocket 36 and the front opening of the sunroom 16 is closed. As a result, the sunlight can be taken into the sunroom 16 through the first house 34 and the inflow of external cold air into the sunroom 16 is prevented.
Further, the fan 25 b of the take-in part 25 is rotated, the damper 31 b of the communication part 31 is closed, and the closing plate 33 is attached to the lower surface of the sunroom floor 20.

Then, the sunroom 16 is warmed by the sunlight S1 inserted into the sunroom 16 through the skylight 27, and a part of the heat of the warmed air is stored in the heat storage portion 22a on the surface portion of the wall 22 and the surface of the sunroom floor 20 The heat is stored in the heat storage section 20a. In particular, since the sunlight S1 directly hits the heat storage unit 22a, the air in the vicinity is effectively warmed and the heat is stored in the heat storage unit 22a.
Further, the sunroom 16 is warmed by the sunlight S2 inserted into the sunroom 16 through the first house 34, and a part of the heat of the warmed air is stored in the heat storage section 22a and the sunroom floor 20 on the surface of the wall 22. The heat is stored in the heat storage section 20a of the surface portion of. In particular, since the sunlight S2 directly hits the heat storage unit 20a, the air in the vicinity is effectively warmed and the heat is stored in the heat storage unit 20a.
Further, the warm air in the sunroom 16 is taken into the bedroom 9 in the building by the fan 25b of the take-in portion 25, and the inside of the bedroom 9 is warmed. Moreover, since the damper 31b of the communication part 31 is closed, the warm air of the sunroom 16 does not escape to the hut 30. Further, the external cold air does not flow into the sunroom 16 from below by the closing plate 33 attached to the lower surface of the sunroom floor 20.

(2) Nighttime in winter In the nighttime in winter, as shown in FIG. 4, the skylight 27 is closed and the shielding member 28 is closed. As a result, the heat of the warm air in the sunroom 16 is prevented from being radiated from the skylight 27 to the outside.
Further, since the two first houses 34 are pulled out and the front opening of the sunroom 16 is closed, the inflow of external cold air into the sunroom 16 is prevented.
Further, the fan 25 b of the take-in part 25 is rotated, the damper 31 b of the communication part 31 is closed, and the closing plate 33 is attached to the lower surface of the sunroom floor 20.

  And at night, the sunroom 16 is warmed by radiating heat from the heat storage units 20a, 22a stored during the day, and the warm air in the sunroom 16 is heated in the building by the fan 25b of the intake unit 25. It is taken into the bedroom 9 and the inside of the bedroom 9 is warmed. Moreover, since the damper 31b of the communication part 31 is closed, the warm air of the sunroom 16 does not escape to the back of the hut 30. In addition, the external cold air does not flow into the sunroom 16 from below by the closing plate 33 attached to the lower surface of the sunroom floor 20.

(3) Summer daytime During the summer daytime, the skylight 27 is closed and the shielding member 28 is closed as shown in FIG. As a result, the sunlight S3 is reflected by the shielding member 28, thereby shielding the solar radiation to the skylight by the shielding member 28, preventing the sunlight from being inserted into the sunroom 16 through the skylight 27, and increasing the temperature of the sunroom 16. Suppress.
Further, the two second doors 35 are pulled out from the door pocket 36 and arranged in the front opening of the sunroom 16. This prevents sunlight from obliquely above the sunroom 16 and allows outside air to be taken into the sunroom 16 through the opening 35a.
Further, the fan 25b of the take-in portion 25 is stopped, the damper 31b of the communication portion 31 is opened, and the closing plate 33 is removed from the lower surface of the sunroom floor 20.

  The sun light from the skylight 27 to the sunroom 16 is shielded by the shielding member 28, thereby preventing the sunroom 16 from rising in temperature and allowing the hot air from the sunroom 16 to open to the hut 30 by opening the communication portion 31. Furthermore, by taking outside air into the sunroom 16 from the opening 35a of the second door 35 and the slit 32 of the sunroom floor 20, overheating of the sunroom 16 is prevented. Further, the hot air in the sunroom 16 does not flow into the bedroom 9 in the building from the intake portion 25.

(4) Summertime nighttime In summertime nighttime, as shown in FIG. 6, the skylight 27 and the shielding member 28 are opened. Thereby, the hot air in the sunroom 16 is radiated from the skylight 27 to the outside.
Further, since the two second doors 35 are pulled out and disposed in the front opening of the sunroom 16, external air can be taken into the sunroom 16 through the opening 35a.
Further, the fan 25b of the take-in portion 25 is stopped, the damper 31b of the communication portion 31 is opened, and the closing plate 33 is removed from the lower surface of the sunroom floor 20.

  Then, by opening the skylight 27, the hot air in the sunroom 16 is released from the skylight 27 to the outside, the communication portion 31 is opened to escape to the back of the hut 30, and the opening 35a of the second door 35 and the sunroom floor 20 are further opened. By taking outside air into the sunroom 16 from the slit 32, overheating of the sunroom 16 is prevented. Further, the hot air in the sunroom 16 does not flow into the bedroom 9 in the building from the intake portion 25.

As described above, according to the present embodiment, the heat storage units 20a and 22a store the heat of the air heated by the sun inserted into the sunroom 16 during the winter day, and the heat is dissipated from the heat storage units 20a and 22a at night. Since the sunroom 16 is warmed, the sunroom 16 can be used effectively.
In addition, the sunroom 16 warmed by sunlight during the winter season is taken into the bedroom 9 in the building by the intake section 25, and the sunroom 16 is warmed by heat radiation from the heat storage sections 20a and 22a at night. The bedroom 9 can be warmed by taking the air into the bedroom 9 by the intake section 25.

Furthermore, during the summer day, by closing the shielding member 28 and shielding the sunlight from the skylight 27 to the sunroom 16, the temperature of the sunroom 16 is prevented from rising, and the opening 35a of the second door 35 and By taking outside air into the sunroom 16 through the slit 32 of the sunroom floor 20 and releasing the hot air from the sunroom 16 to the back of the hut by opening the communication portion 31, the sunroom 16 can be prevented from overheating.
Further, during the summer night, the outside air is taken into the sunroom 16 through the opening 35a of the second door 35 and the slit 32 of the sunroom floor 20, and the skylight 27 is opened, so that the hot air in the sunroom 16 is taken from the skylight 27. The sunroom 16 can be prevented from overheating by letting it escape to the outside and opening the communication part 31 to escape to the back of the hut 30.
During the winter season, the sun is taken into the sun room 16 through the skylight 27 in the closed state, and the sun is taken into the sun room 16 through the first house 34 to close out the communication part 31 and prevent the outflow of warm air. The sunroom 16 can be effectively warmed and heat can be effectively stored in the heat storage portions 20a and 22a.
During the night in winter, the skylight 27, the shielding member 28, the communication portion 31, and the slit 32 of the sunroom floor 20 are closed to prevent the outflow of air warmed by heat radiation from the heat storage portions 20a and 22a. 16 can be effectively warmed.
Therefore, the sunroom 16 can be used effectively in both summer and winter.

In addition, since the bathroom 11 is provided so as to project on the veranda 15 side, and the bath 11 and the solarium 16 are arranged adjacent to each other so that they can go back and forth, the warm air of the solarium 16 is supplied to the bathroom in winter. 11, and the moisture in the bathroom 11 can escape from the sunroom 16 to the outside in the summer. Further, since the washing machine 10 a is installed in the washroom 10 adjacent to the bathroom 11, the laundry can be immediately dried through the bathroom 11 to the sunroom 16.
In the summer, it is possible to go out to the sunroom 16 and cool down while taking a bath in the bathroom 11. In winter, the houseplants and the like placed on the outside veranda portion 15a of the veranda 15 can be put in the sunroom 16 to protect the houseplants.

DESCRIPTION OF SYMBOLS 10 Washroom 11 Bathroom 15 Veranda 16 Solarium 20 Solarium floor 20a, 22a Thermal storage part 17 Exterior wall (wall)
25 Taking-in part 26 Roof 27 Skylight 28 Shield member 30 Hut back 31 Communication part 34 1st house 35 2nd house

Claims (5)

In a building with a solarium that is part of Benlanda,
At least one of a surface portion of a sunroom floor that is a part of the floor of the veranda and constitutes the floor of the sunroom and a surface portion of the wall of the sunroom is a heat storage portion. A building with a solarium. In the building with a solarium according to claim 1,
A building with a solarium, wherein the solarium wall is provided with a take-in portion that takes in the air of the solarium into a room in the building. In the building with a solarium according to claim 1 or 2,
The roof above the solarium is provided with a skylight that can be opened and closed,
On the outer wall that supports this roof, a communication portion that allows communication between the sunroom and the back of the hut is provided so that it can be opened and closed.
The roof or skylight is provided with a sunroom that can be opened and closed with a shielding member capable of shielding sunlight from the skylight. In the building with a solarium as described in any one of Claims 1-3,
A solarium characterized in that a first light-transmitting door and a second air-permeable door are provided on the veranda so as to selectively partition the boundary between the sunroom and the outside. Building with. In the building with a solarium as described in any one of Claims 1-4,
A bathroom or a washroom provided in the building is provided so as to extend to the veranda side, and the bathroom or the washroom and the sunroom are arranged adjacent to each other so as to be able to come and go. A building with a solarium.

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