Ventilation system of energy-saving and environment-friendly house of green building

Abstract

The invention belongs to the technical field of house ventilation, and discloses a ventilation system of an energy-saving and environment-friendly house of a green building, which is mounted at a ventilation opening of a roof and comprises an arc-shaped ventilation pipeline, an outlet of the arc-shaped ventilation pipeline is tightly attached to the roof and is matched and communicated with the ventilation opening, and an inlet of the arc-shaped ventilation pipeline is vertically downward and is aligned to the outer side of a vertical wall of the roof; an air exhaust fan and a fan positioning frame are installed in an inlet of the arc-shaped ventilation pipeline, a large windmill parallel to the vertical wall of the roof is installed on the outer side of the inlet of the arc-shaped ventilation pipeline, a center shaft of the air exhaust fan is rotationally connected with the fan positioning frame, and a center shaft of the large windmill is rotationally connected with the outer wall of the arc-shaped ventilation pipeline. And a central shaft of the large windmill is in transmission connection with a central shaft of the exhaust fan, so that the exhaust fan is driven to rotate through the rotation of the large windmill. External fresh air is pumped into a room, the indoor air quality is improved, and meanwhile rainwater is prevented from entering the room.

Description

Technical Field

[0001] The present invention belongs to the technical field of house ventilation, and in particular relates to a ventilation system for a green building energy-saving and environmentally friendly house. Background Art

[0002] With the development of society, people's living standards are getting better and better, and the requirements for building houses are getting higher and higher. Among them, the ventilation design of the house has become a point that people pay more attention to during the construction process of the house. The ventilation system of the house adjusts the indoor air by guiding the external natural wind into the room, so that the indoor air can circulate better with the outdoor air, thereby improving the indoor air quality. However, the ventilation equipment of the existing house is likely to cause rainwater to enter the room along the ventilation equipment when it rains. For example, the prior art with publication number CN218348800U discloses a ventilation device for house engineering construction, including a fixed base, a fixed support wall panel connected to the fixed base, and the fixed support wall panel. A bottom air exchange component is connected to the wall panel, and the bottom air exchange component includes a ventilation support frame, a sliding closing plate, a ventilation guide port, wind guide vanes, a motor support, an air exchange motor, an air exchange pump, an air exchange intake pipe and an air exchange support cover. A ventilation support frame is connected to one side wall of the fixed support wall panel, a sliding closing plate is slidably connected to the ventilation support frame, a ventilation guide port is provided on the side wall of the fixed support wall panel, and wind guide vanes are connected to the ventilation guide port, a motor support is connected to the fixed base, an air exchange motor is connected to the motor support, an air exchange pump is connected to the air exchange motor, an air exchange intake pipe is connected to the air exchange pump, and an air exchange support cover is connected to the air exchange pump.

[0003] The above-mentioned prior art still has the problem of rainwater entering the interior. It can be seen that it is still necessary to further improve the ventilation structure of the building. Summary of the Invention

[0004] The purpose of the present invention is to provide a ventilation system for a green building energy-saving and environmentally friendly house to solve the above-mentioned problems existing in the prior art.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A ventilation system for a green building, energy-saving and environmentally friendly house is installed at the vent on the roof, and includes a curved ventilation duct. The outlet of the curved ventilation duct is tightly fitted with the roof and matched with the vent, and the inlet of the curved ventilation duct is vertically downward and aligned with the outer side of the vertical wall of the roof; an exhaust fan and a fan positioning frame are installed in the inlet of the curved ventilation duct, and a large windmill arranged parallel to the vertical wall of the roof is installed on the outer side of the inlet of the curved ventilation duct, the central axis of the exhaust fan is rotatably connected to the fan positioning frame, the central axis of the large windmill is rotatably connected to the outer wall of the curved ventilation duct, and the central axis of the large windmill is transmission-connected to the central axis of the exhaust fan, so as to drive the exhaust fan to rotate through the rotation of the large windmill.

[0007] As a preferred technical solution in the invention, a first bevel gear is coaxially mounted on the central axis of the exhaust fan, and a second bevel gear is coaxially mounted on the central axis of the large windmill, and the first bevel gear is meshed with the second bevel gear.

[0008] As a preferred technical solution in the invention, the blades of the large windmill are slidably matched with its central axis, and an elastic seat is connected to the outer outer surface of the central axis of the large windmill. One end of the elastic seat is fixedly connected to the outer wall of the arc-shaped ventilation duct, and the other end of the elastic seat is abutted against the large windmill, and the other end of the elastic seat is rotationally matched with the blades of the large windmill.

[0009] As a preferred technical solution in the invention, the other end of the elastic seat is embedded with multiple balls distributed on the same circular ring. The central axis of the circular ring where all the balls are located coincides with the central axis of the large windmill, and all the balls are in contact with the large windmill.

[0010] As a preferred technical solution in the invention, the elastic seat includes a fixed sleeve, a sliding sleeve, a spring and a ball limiting ring, all of which are sleeved on the outside of the central axis of the large windmill. One end of the fixed sleeve is fixedly connected to the outer wall of the arc-shaped ventilation duct, and one end of the sliding sleeve is slidably connected to the inside of the fixed sleeve. The spring is arranged inside the fixed sleeve, and the two ends of the spring are respectively abutted against the outer wall of the arc-shaped ventilation duct and one end of the sliding sleeve. The other end of the sliding sleeve is provided with an annular groove, and one side of all balls is provided in the annular groove; the ball limiting ring is provided with an annular avoidance opening that fits the ball surface, and the width of the annular avoidance opening away from one end of the sliding sleeve is smaller than the diameter of the ball, and the other side of all balls passes through the annular avoidance opening and abuts against the large windmill.

[0011] As a preferred technical solution in the invention, the ball limiting ring includes an inner ball limiting ring and an outer ball limiting ring. The inner ball limiting ring is detachably connected to the other end of the sliding sleeve by a screw. The outer wall of the inner ball limiting ring is an arc-shaped surface that fits all ball surfaces. One end of the outer ball limiting ring is threadedly connected to the outer wall of the other end of the sliding sleeve. The inner wall of the other end of the outer ball limiting ring is an arc-shaped surface that fits all ball surfaces. The inner wall of the other end of the outer ball limiting ring cooperates with the outer wall of the inner ball limiting ring to form the annular avoidance opening.

[0012] As a preferred technical solution in the invention, the inlet and outlet of the arc-shaped ventilation duct are connected by a connecting plate, and the connecting plate is installed on the upper end of the roof.

[0013] As a preferred technical solution in the invention, both ends of the connecting plate are connected with vertical sealing plates, and the two vertical sealing plates cooperate to form a sealed cavity, in which a small generator is installed. Both vertical sealing plates are rotatably connected with small windmills that provide power for the small generator.

[0014] As a preferred technical solution in the invention, rainwater collecting troughs are installed on both sides of the upper part of the arc-shaped ventilation duct, and the two rainwater collecting troughs are respectively located above the two small windmills, and the inner bottom surfaces of the two rainwater collecting troughs are provided with drain outlets aimed at the blades of the small windmills, so that rainwater flowing out of the drain outlets impacts the small windmills, so that the small windmills rotate under the impact of rainwater; a rainwater buffer cloth is provided on the top surface of the arc-shaped ventilation duct, and both sides of the rainwater buffer cloth extend into the two rainwater collecting troughs.

[0015] As a preferred technical solution in the invention, a solar panel is installed on the outer wall of the rainwater collection trough.

[0016] Beneficial effects: The present invention designs the ventilation duct into an arc-shaped structure, one end of which is connected to the vent on the roof, and the other end is vertically downward and aligned with the outer side of the vertical wall of the roof. In this way, when external air is sent into the room, rainwater can be prevented from entering the interior of the arc-shaped ventilation duct, thereby preventing rainwater from entering the room; the exhaust fan is rotatably connected to the interior of the arc-shaped ventilation duct through the fan positioning frame, which does not affect the air circulation and can ensure the stability and flexibility of the exhaust fan. A large windmill parallel to the vertical wall of the roof is arranged outside the arc-shaped ventilation duct, which can better extend the large windmill so that the large windmill can rotate under natural wind, and then the rotation of the large windmill is used to drive the exhaust fan to rotate, providing sufficient power for the rotation of the exhaust fan, thereby drawing fresh air from the outside into the room, thereby improving the indoor air quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 is a cross-sectional view of the present invention;

[0019] Figure 3 is a cross-sectional view of the elastic seat in the present invention;

[0020] Figure 4 It is a cross-sectional view of the arc-shaped ventilation duct in the present invention.

[0021] In the figure: 1-roof; 2-vent; 3-arc-shaped ventilation duct; 301-connecting plate; 302-vertical sealing plate; 4-exhaust fan; 5-fan positioning frame; 6-large windmill; 7-first bevel gear; 8-second bevel gear; 9-elastic seat; 901-ball; 902-fixing sleeve; 903-sliding sleeve; 904-spring; 905-ball inner limit ring; 906-ball outer limit ring; 10-small windmill; 11-rainwater collection trough; 12-rainwater buffer cloth. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structure of the drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0023] Example:

[0024] like Figure 1-Figure 4As shown, this embodiment provides a ventilation system for a green building energy-saving and environmentally friendly house, which is installed at the vent 2 on the roof 1 and includes a curved ventilation duct 3. The outlet of the curved ventilation duct 3 is tightly fitted with the roof 1 and matched with the vent 2 to be connected, so that the external wind is sent into the room through the vent 2 through the curved ventilation duct 3. The inlet of the curved ventilation duct 3 is vertically downward and aligned with the outer side of the vertical wall of the roof 1, so as to prevent rainwater from entering the interior of the curved ventilation duct 3 and thus prevent rainwater from entering the room; an exhaust fan 4 and a fan positioning frame 5 are installed in the inlet of the curved ventilation duct 3, the fan positioning frame 5 is fixed in the curved ventilation duct 3, and the exhaust fan 4 is rotatably connected to the curved ventilation duct 3, and the rotation of the exhaust fan 4 can draw air in from below. The air is blown into the air through the air vent 2 and then sent into the room through the arc-shaped ventilation duct 3. A large windmill 6 is installed on the outside of the inlet of the arc-shaped ventilation duct 3 and is arranged parallel to the vertical wall of the roof 1. There is no specific size requirement for the large size here. It can be set relatively larger according to the actual situation, so that it can rotate better under natural wind. The central axis of the exhaust fan 4 is rotatably connected to the fan positioning frame 5 to ensure the stability and flexibility of the exhaust fan 4. The central axis of the large windmill 6 is rotatably connected to the outer wall of the arc-shaped ventilation duct 3 to ensure the stability and flexibility of the large windmill 6. The central axis of the large windmill 6 is transmission-connected to the central axis of the exhaust fan 4 to drive the exhaust fan 4 to rotate through the rotation of the large windmill 6, thereby providing sufficient power for the rotation of the exhaust fan 4 and making the air circulation smoother.

[0025] The present invention designs the ventilation duct into an arc-shaped structure, one end of which is connected to the vent 2 of the roof 1, and the other end is vertically downward and aligned with the outer side of the vertical wall of the roof 1, so that rainwater can be prevented from entering the arc-shaped ventilation duct 3 when the outside air is sent into the room, thereby preventing rainwater from entering the room; the exhaust fan 4 is rotatably connected to the inside of the arc-shaped ventilation duct 3 through the fan positioning frame 5, which does not affect the air circulation and can ensure the stability and flexibility of the exhaust fan 4. A large windmill 6 parallel to the vertical wall of the roof 1 is arranged outside the arc-shaped ventilation duct 3, which can better extend the large windmill 6 so that the large windmill 6 can rotate under natural wind, and then the rotation of the large windmill 6 is used to drive the exhaust fan 4 to rotate, providing sufficient power for the rotation of the exhaust fan 4, thereby drawing fresh air from the outside into the room, thereby improving the indoor air quality.

[0026] As a preferred technical solution in the invention, it needs to be further explained that a first bevel gear 7 is coaxially installed on the central axis of the exhaust fan 4, and a second bevel gear 8 is coaxially installed on the central axis of the large windmill 6. The first bevel gear 7 is meshed with the second bevel gear 8, so that the first bevel gear 7 and the second bevel gear 8 can rotate synchronously, thereby realizing the synchronous rotation of the exhaust fan 4 and the large windmill 6. In this way, when the large windmill 6 is rotated by the natural wind, the exhaust fan 4 can be driven to rotate synchronously, and the external air can enter the room more smoothly through the exhaust fan 4 to improve the indoor air quality.

[0027] As a preferred technical solution in the invention, it needs to be further explained that the blades of the large windmill 6 slide in conjunction with its central axis, so that the blades of the large windmill 6 can drive its central axis to rotate. An elastic seat 9 is connected to the outer outer wall of the central axis of the large windmill 6, which does not affect the rotation of the large windmill 6. One end of the elastic seat 9 is fixedly connected to the outer wall of the curved ventilation duct 3 to ensure the stability of the elastic seat 9. The other end of the elastic seat 9 is in contact with the large windmill 6, and the other end of the elastic seat 9 rotates with the blades of the large windmill 6, so that the elastic seat 9 does not affect the rotation of the large windmill 6. The elastic seat 9 can also be extended and retracted according to the size of the wind force, and thereby adjust the distance between the large windmill 6 and the curved ventilation duct 3. The farther the large windmill 6 is from the curved ventilation duct 3, the more flexible it is, and the closer the large windmill 6 is to the curved ventilation duct 3, the more stable it is.

[0028] As a preferred technical solution in the invention, it needs to be further explained that a plurality of balls 901 distributed on the same circular ring are embedded at the other end of the elastic seat 9, and the balls 901 can roll freely at the other end of the elastic seat 9. The central axis of the circular ring where all the balls 901 are located coincides with the central axis of the large windmill 6, and all the balls 901 are in contact with the large windmill 6. Therefore, when the large windmill 6 rotates, all the balls 901 always keep in contact with the large windmill 6, and can roll with the rotation of the large windmill 6, thereby minimizing friction and not affecting the rotation of the large windmill 6.

[0029] As a preferred technical solution in the invention, it needs to be further explained that the elastic seat 9 includes a fixed sleeve 902, a sliding sleeve 903, a spring 904 and a ball limiting ring, all of which are sleeved on the outside of the central axis of the large windmill 6. One end of the fixed sleeve 902 is fixedly connected to the outer wall of the arc-shaped ventilation duct 3 to ensure the stability of the fixed sleeve 902. One end of the sliding sleeve 903 is slidably connected to the inside of the fixed sleeve 902 to ensure the stability of the sliding sleeve 903. The spring 904 is arranged inside the fixed sleeve 902, and the two ends of the spring 904 are respectively in contact with the outer wall of the arc-shaped ventilation duct 3 and one end of the sliding sleeve 903, so that the spring 904 gives the sliding sleeve 903 a natural elastic force, thereby resisting the wind force of the large windmill 6. Under normal circumstances, the large windmill 6 can rotate more easily under natural wind. The other end of the sliding sleeve 903 is provided with an annular groove, and one side of all balls 901 is provided in the annular groove to achieve simple positioning of the balls 901; the ball limiting ring is provided with an annular avoidance opening that fits the surface of the balls 901, and the width of the annular avoidance opening away from one end of the sliding sleeve 903 is smaller than the diameter of the balls 901. The other side of all balls 901 passes through the annular avoidance opening and contacts the large windmill 6, ensuring the stability and flexibility of the balls 901.

[0030] As a preferred technical solution in the invention, it needs to be further explained that the ball limiting ring includes an inner ball limiting ring 905 and an outer ball limiting ring 906. The inner ball limiting ring 905 is detachably connected to the other end of the sliding sleeve 903 by screws, and can also be designed as a threaded connection according to actual conditions. The outer wall of the inner ball limiting ring 905 is an arc-shaped surface that fits the surfaces of all balls 901. One end of the outer ball limiting ring 906 is threadedly connected to the outer wall of the other end of the sliding sleeve 903. The inner wall of the other end of the outer ball limiting ring 906 is an arc-shaped surface that fits the surfaces of all balls 901. The inner wall of the other end of the outer ball limiting ring 906 cooperates with the outer wall of the inner ball limiting ring 905 to form the annular avoidance port, ensuring that the balls 901 can stably abut against the large windmill 6 and realize the loading and unloading of the balls 901.

[0031] As a preferred technical solution in the invention, it needs to be further explained that the inlet and outlet of the arc-shaped ventilation duct 3 are connected by a connecting plate 301, and the connecting plate 301 is installed on the upper end of the roof 1, making the installation of the arc-shaped ventilation duct 3 easier and more stable.

[0032] As a preferred technical solution in the invention, it needs to be further explained that both ends of the connecting plate 301 are connected to vertical sealing plates 302, and the two vertical sealing plates 302 cooperate to form a sealed cavity, in which a small generator is installed, and the battery can be charged by the small generator. The two vertical sealing plates 302 are both rotatably connected to a small windmill 10 that provides power for the small generator, so that the ventilation system can generate electricity for backup.

[0033] As a preferred technical solution in the invention, rainwater collecting troughs 11 are installed on both sides of the upper part of the arc-shaped ventilation duct 3. The two rainwater collecting troughs 11 are respectively located above the two small windmills 10, and the inner bottom surfaces of the two rainwater collecting troughs 11 are provided with drain outlets aimed at the blades of the small windmill 10, so that the rainwater flowing out of the drain outlets can impact the small windmill 10, so that the small windmill 10 rotates under the impact of the rainwater. In practice, in rainy weather, rainwater can be used to impact the small windmill 10, so that the small windmill 10 generates electricity after rotating; a rainwater buffer cloth 12 is provided on the top surface of the arc-shaped ventilation duct 3, and both sides of the rainwater buffer cloth 12 extend into the two rainwater collecting troughs 11, so that the rainwater can be better gathered in the rainwater collecting trough 11.

[0034] As a preferred technical solution in the invention, a solar panel is installed on the outer wall of the rainwater collection trough 11 to further generate electrical energy and improve practicality.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A ventilation system for a green building energy-saving and environmentally friendly house, installed at a vent (2) on a roof (1), characterized in that: The invention comprises an arc-shaped ventilation duct (3), the outlet of the arc-shaped ventilation duct (3) is tightly fitted with the roof (1) and matched with the ventilation port (2) for communication, and the inlet of the arc-shaped ventilation duct (3) is vertically downward and aligned with the outer side of the vertical wall of the roof (1); an exhaust fan (4) and a fan positioning frame (5) are installed in the inlet of the arc-shaped ventilation duct (3), and a large windmill (6) arranged parallel to the vertical wall of the roof (1) is installed on the outer side of the inlet of the arc-shaped ventilation duct (3); the central axis of the exhaust fan (4) is rotatably connected to the fan positioning frame (5), the central axis of the large windmill (6) is rotatably connected to the outer wall of the arc-shaped ventilation duct (3), and the central axis of the large windmill (6) is transmission-connected to the central axis of the exhaust fan (4), so as to drive the exhaust fan (4) to rotate through the rotation of the large windmill (6).

2. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 1, characterized in that: A first bevel gear (7) is coaxially mounted on the central axis of the exhaust fan (4), and a second bevel gear (8) is coaxially mounted on the central axis of the large windmill (6); the first bevel gear (7) and the second bevel gear (8) are meshed with each other.

3. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 1, characterized in that: The blades of the large windmill (6) are in sliding engagement with its central axis. An elastic seat (9) is externally connected to the central axis of the large windmill (6). One end of the elastic seat (9) is fixedly connected to the outer wall of the arc-shaped ventilation duct (3). The other end of the elastic seat (9) is in contact with the large windmill (6), and the other end of the elastic seat (9) is in rotational engagement with the blades of the large windmill (6).

4. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 3, characterized in that: The other end of the elastic seat (9) is embedded with a plurality of balls (901) distributed on the same circular ring, the central axis of the circular ring where all the balls (901) are located coincides with the central axis of the large windmill (6), and all the balls (901) are in contact with the large windmill (6).

5. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 4, characterized in that: The elastic seat (9) comprises a fixed sleeve (902), a sliding sleeve (903), a spring (904) and a ball limiting ring, all of which are sleeved on the outside of the central axis of the large windmill (6); one end of the fixed sleeve (902) is fixedly connected to the outer wall of the arc-shaped ventilation duct (3); one end of the sliding sleeve (903) is slidably connected to the inside of the fixed sleeve (902); the spring (904) is arranged inside the fixed sleeve (902), and both ends of the spring (904) are respectively connected to the outer wall of the arc-shaped ventilation duct (3); 3) and abut against one end of the sliding sleeve (903), the other end of the sliding sleeve (903) is provided with an annular groove, and one side of all the balls (901) is provided in the annular groove; the ball limiting ring is provided with an annular avoidance opening that is in contact with the surface of the ball (901), the width of the annular avoidance opening away from one end of the sliding sleeve (903) is smaller than the diameter of the ball (901), and the other side of all the balls (901) passes through the annular avoidance opening and abuts against the large windmill (6).

6. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 5, characterized in that: The ball limiting ring comprises an inner ball limiting ring (905) and an outer ball limiting ring (906), wherein the inner ball limiting ring (905) is detachably connected to the other end of the sliding sleeve (903) by screws, and the outer wall of the inner ball limiting ring (905) is an arcuate surface that fits the surfaces of all the balls (901). One end of the outer ball limiting ring (906) is threadedly connected to the outer wall of the other end of the sliding sleeve (903), and the inner wall of the other end of the outer ball limiting ring (906) is an arcuate surface that fits the surfaces of all the balls (901). The inner wall of the other end of the outer ball limiting ring (906) cooperates with the outer wall of the inner ball limiting ring (905) to form the annular avoidance opening.

7. The ventilation system for a green building energy-saving and environmentally friendly house according to claim 1, characterized in that: The inlet and outlet of the arc-shaped ventilation duct (3) are connected via a connecting plate (301), and the connecting plate (301) is installed on the upper end of the roof (1).

8. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 7, characterized in that: Both ends of the connecting plate (301) are connected to vertical sealing plates (302), and the two vertical sealing plates (302) cooperate to form a sealed cavity, in which a small generator is installed. The two vertical sealing plates (302) are rotatably connected to a small windmill (10) that provides power for the small generator.

9. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 8, characterized in that: Rainwater collecting troughs (11) are installed on both sides of the upper portion of the arc-shaped ventilation duct (3). The two rainwater collecting troughs (11) are respectively located above the two small windmills (10), and the inner bottom surfaces of the two rainwater collecting troughs (11) are provided with water outlets aligned with the blades of the small windmills (10), so that rainwater flowing out of the water outlets impacts the small windmills (10), so that the small windmills (10) rotate under the impact of the rainwater; a rainwater buffer cloth (12) is provided on the top surface of the arc-shaped ventilation duct (3), and both sides of the rainwater buffer cloth (12) extend into the two rainwater collecting troughs (11).

10. A ventilation system for a green building energy-saving and environmentally friendly house according to claim 9, characterized in that: A solar panel is installed on the outer wall of the rainwater collecting trough (11).

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