Energy-saving ventilation device for building

Abstract

The utility model discloses an energy-saving ventilation device for a building, and relates to the technical field of air duct systems. The energy-saving ventilation device for the building comprises an exhaust pipe, the rear end of the exhaust pipe is fixedly connected with an air inlet pipe, the interior of the exhaust pipe is slidably connected with a filter screen, and the interior of the exhaust pipe is fixedly connected with a second fixing plate; a cleaning assembly is arranged in the exhaust pipe and comprises a rotating shaft, the rotating shaft is rotationally connected to the interior of the second fixing plate, and the end, away from the second fixing plate, of the rotating shaft is fixedly connected with a cleaning plate; the end, close to the filter screen, of the cleaning plate is fixedly connected with cleaning brush bristles, and the cleaning brush bristles make contact with the filter screen. Compared with an existing ventilation device, the filter screen is cleaned through the cleaning brush bristles, dust and sundries on the filter screen can be removed, and the situation that the follow-up ventilation effect is affected by too many impurities attached to the filter screen is prevented; meanwhile, the use efficiency of the air interchanger is improved, and the service life of the air interchanger is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of air duct systems, in particular to an energy-saving ventilation device for buildings. Background Art

[0002] Ventilation, also known as air exchange, is to use mechanical or natural methods to deliver enough fresh air into the indoor space, and at the same time discharge the dirty air that does not meet the hygiene requirements in the room, so that the indoor air meets the hygiene requirements and the needs of the production process. A ventilation device is needed in the building to complete the indoor ventilation work. The Chinese utility model patent, authorization announcement number "CN217584847U", discloses an indoor ventilation and air exchange device for building energy saving, including a box body, an air inlet and an air outlet respectively arranged at the upper and lower ends of the box body, and a blower installed inside the box body. The air inlet end of the box body is connected to a ventilation duct, the inner side of the ventilation duct is connected to a fixed frame, the inner side of the fixed frame is slidably connected to a filter screen plate, the outer side of the fixed frame is symmetrically penetrated by positioning guide columns, and the positioning guide columns slide through the edge of the filter screen plate, and buffer springs are movably sleeved at both ends of the positioning guide columns.

[0003] The above technical scheme can guide the air flow to be stably transported in the ventilation duct. By arranging buffer springs on both sides of the filter screen, the impact of the air flow on the filter screen can be buffered, and the filter screen can be prevented from being deformed due to the impact of the air flow, thereby ensuring the filtering effect of the filter screen. However, the above technical scheme still has certain defects. After the ventilation device has been used for a period of time, some impurities will adhere to the surface of the filter screen. The filter screen of the ventilation device is arranged inside the ventilation duct, which is not convenient for cleaning the filter screen. Too many impurities attached to the filter screen can easily affect the ventilation effect. For this reason, the utility model proposes a new solution. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an energy-saving ventilation device for buildings, which can solve the problem that after the ventilation device has been used for a period of time, some impurities will adhere to the surface of the filter screen plate, the filter screen plate of the ventilation device is arranged inside the ventilation duct, which is not convenient for cleaning the filter screen plate, and too many impurities attached to the filter screen plate can easily affect the ventilation effect.

[0005] To achieve the above object, the utility model provides the following technical solution: an energy-saving ventilation device for a building, comprising an exhaust duct, the rear end of which is fixedly connected to an air inlet duct, a filter screen is slidably connected to the interior of the exhaust duct, and a second fixing plate is fixedly connected to the interior of the exhaust duct;

[0006] Wherein, a cleaning assembly is arranged inside the exhaust pipe, and the cleaning assembly comprises a rotating shaft, which is rotatably connected to the inside of the second fixed plate, and one end of the rotating shaft away from the second fixed plate is fixedly connected to the cleaning plate;

[0007] One end of the cleaning plate close to the filter screen is fixedly connected with cleaning bristles, and the cleaning bristles are in contact with the filter screen.

[0008] Preferably, a drive motor is fixedly connected to the interior of the exhaust pipe, and a first bevel gear is fixedly connected to the output end of the drive motor;

[0009] Wherein, the surface of the rotating shaft is fixedly connected with a second bevel gear, and the first bevel gear and the second bevel gear are meshed with each other.

[0010] Preferably, a fan is fixedly connected to the surface of the rotating shaft, a movable plate is rotatably sleeved on the surface of the fan, and an electric push rod is fixedly connected to the inside of the exhaust pipe;

[0011] Wherein, the output end of the electric push rod is fixedly connected to the movable plate.

[0012] Preferably, the left end of the exhaust pipe is fixedly connected to a first fixing plate, and the interior of the first fixing plate is slidably connected to a movable rod.

[0013] Preferably, one end of the movable rod close to the filter is fixedly connected to a limiting block, and the limiting block is engaged with the filter;

[0014] Wherein, a spring is sleeved on the surface of the movable rod, and two ends of the spring are fixedly connected to the limit block and the first fixed plate.

[0015] Preferably, a protective cover is fixedly connected to the front end of the exhaust pipe.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) Compared with the existing ventilation devices, the energy-saving ventilation device for buildings can remove dust and debris on the filter screen by cleaning the filter screen with a cleaning brush, prevent excessive impurities attached to the filter screen from affecting the subsequent ventilation effect, keep the air fresh, and at the same time improve the use efficiency of the ventilation device and extend its service life.

[0018] (2) When the wind outside the building is strong, the energy-saving ventilation device for the building can reduce the resistance to the rotation of the shaft by separating the first bevel gear from the second bevel gear and the cleaning bristles from the filter screen to ensure that the fan can rotate under the influence of natural wind, thereby ensuring continuous ventilation while rationally utilizing wind resources, saving energy consumption, and improving the practicality and convenience of the ventilation device.

[0019] (3) The energy-saving ventilation device for the building fixes the filter screen by means of a limit block, which facilitates the disassembly and cleaning of the filter screen, the cleaning and maintenance of the filter screen, reduces the wear and corrosion of the filter screen, prolongs its service life, and ensures the filtering effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0021] Figure 1 This is a schematic diagram of the structure of an energy-saving ventilation device for buildings according to the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the exhaust duct of the utility model;

[0023] Figure 3 For this utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0024] Figure 4 For this utility model Figure 2 Enlarged schematic diagram of point B in the middle.

[0025] Figure numerals: 1. exhaust duct; 2. air inlet duct; 3. protective cover; 4. filter; 5. first fixed plate; 6. movable rod; 7. limit block; 8. spring; 9. second fixed plate; 10. rotating shaft; 11. fan; 12. driving motor; 13. first bevel gear; 14. second bevel gear; 15. movable plate; 16. electric push rod; 17. cleaning plate; 18. cleaning brush. DETAILED DESCRIPTION

[0026] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] See also Figure 1-4 The utility model provides a technical solution: an energy-saving ventilation device for a building, comprising an exhaust duct 1, the rear end of the exhaust duct 1 is fixedly connected to an air inlet duct 2, the interior of the exhaust duct 1 is slidably connected to a filter screen 4, the interior of the exhaust duct 1 is fixedly connected to a second fixed plate 9, a cleaning component is arranged inside the exhaust duct 1, and the cleaning component comprises a rotating shaft 10, the rotating shaft 10 is rotatably connected to the interior of the second fixed plate 9, one end of the rotating shaft 10 away from the second fixed plate 9 is fixedly connected to a cleaning plate 17, and one end of the cleaning plate 17 close to the filter screen 4 is fixedly connected to a cleaning bristle 18, and the cleaning bristle 18 is in contact with the filter screen 4.

[0031] A driving motor 12 is fixedly connected to the inside of the exhaust duct 1, and a first bevel gear 13 is fixedly connected to the output end of the driving motor 12. A second bevel gear 14 is fixedly connected to the surface of the rotating shaft 10. The first bevel gear 13 and the second bevel gear 14 are meshed with each other. A fan 11 is fixedly connected to the surface of the rotating shaft 10, and a movable plate 15 is rotatably sleeved on the surface of the fan 11. An electric push rod 16 is fixedly connected to the inside of the exhaust duct 1, and the output end of the electric push rod 16 is fixedly connected to the movable plate 15.

[0032] A protective cover 3 is fixedly connected to the front end of the exhaust duct 1, a first fixed plate 5 is fixedly connected to the left end of the exhaust duct 1, a movable rod 6 is slidably connected inside the first fixed plate 5, one end of the movable rod 6 close to the filter screen 4 is fixedly connected to a limiting block 7, the limiting block 7 is clamped with the filter screen 4, a spring 8 is sleeved on the surface of the movable rod 6, and both ends of the spring 8 are fixedly connected to the limiting block 7 and the first fixed plate 5.

[0033] When the ventilation device is used, the protection cover 3 is used to protect the ventilation device to prevent harm to surrounding personnel when the ventilation device is working abnormally. The drive motor 12 is started to drive the first bevel gear 13 to rotate, the first bevel gear 13 drives the second bevel gear 14 to rotate, the second bevel gear 14 drives the rotating shaft 10 to rotate inside the second fixed plate 9 and the movable plate 15, the rotating shaft 10 drives the fan 11 to rotate, and the external air is discharged from the air inlet pipe 2 and the exhaust pipe 1 to the interior of the building.

[0034] When the ventilation device is used for a long time, dust and debris will adhere to the surface of the filter 4. The dust and debris may block the filter holes on the surface of the filter and affect the air intake. At this time, the rotating shaft 10 drives the cleaning plate 17 and the cleaning brush 18 to rotate to clean the debris and dust on the surface of the filter 4. The movable rod 6 is pulled to the side away from the filter 4. The movable rod 6 drives the limit block 7 to move. The limit block 7 squeezes the spring 8, and the limit block 7 is separated from the filter 4. At this time, the filter 4 is pulled out to the outside of the exhaust duct 1 and the filter 4 is taken out to facilitate cleaning of the filter 4.

[0035] When the wind force outside the building is small, the fan 11 is driven by the driving motor 12 to ventilate other parts inside the building. When the wind force outside the building is large, the electric push rod 16 is started to drive the movable plate 15 to move, and the movable plate 15 drives the rotating shaft 10 to move, so that the rotating shaft 10 slides inside the second fixed plate 9, and the rotating shaft 10 drives the cleaning plate 17 and the cleaning bristles 18 to move, so that the cleaning bristles 18 are separated from the filter 4 to reduce the resistance when the fan 11 rotates. The rotating shaft 10 drives the second bevel gear 14 to move, so that the first bevel gear 13 is separated from the second bevel gear 14, which is convenient for the larger separation outside the building to blow the fan 11, so that the fan 11 rotates under the action of natural wind. When the wind force decreases, the electric push rod 16 drives the movable plate 15 and the rotating shaft 10 to move, so that the second bevel gear 14 and the cleaning bristles 18 are reset, so that the cleaning bristles 18 contact with the filter 4, and the second bevel gear 14 is meshed with the first bevel gear 13, so as to improve the energy saving performance of the device.

[0036] Furthermore, compared with the existing ventilation device, cleaning the filter 4 by cleaning the bristles 18 can remove dust and debris on the filter 4, prevent excessive impurities attached to the filter from affecting the subsequent ventilation effect, keep the air fresh, and at the same time improve the use efficiency of the ventilation device and extend its service life.

[0037] When the wind outside the building is strong, the first bevel gear 13 is separated from the second bevel gear 14, and the cleaning bristles 18 are separated from the filter 4, thereby reducing the resistance to the rotation of the shaft 10 to ensure that the fan 11 can rotate under the blowing of natural wind, thereby ensuring continuous ventilation while rationally utilizing wind resources, saving energy consumption, and improving the practicality and convenience of the ventilation device.

[0038] The filter screen 4 is fixed by the limit block 7, which is convenient for disassembly and cleaning of the filter screen 4, and is convenient for cleaning and maintenance of the filter screen 4, thereby reducing the wear and corrosion of the filter screen 4, extending its service life, and ensuring the filtering effect of the filter screen 4.

[0039] Working principle: When the ventilation device is used, the protective cover 3 is used to protect the ventilation device to prevent harm to surrounding personnel when the ventilation device is working abnormally. The drive motor 12 is started to drive the first bevel gear 13 to rotate, and the first bevel gear 13 drives the second bevel gear 14 to rotate. The second bevel gear 14 drives the rotating shaft 10 to rotate inside the second fixed plate 9 and the movable plate 15. The rotating shaft 10 drives the fan 11 to rotate, and the external air is discharged from the air inlet pipe 2 and the exhaust pipe 1 to the interior of the building.

[0040] When the ventilation device is used for a long time, dust and debris will adhere to the surface of the filter 4. The dust and debris may block the filter holes on the surface of the filter and affect the air intake. At this time, the rotating shaft 10 drives the cleaning plate 17 and the cleaning brush 18 to rotate to clean the debris and dust on the surface of the filter 4. The movable rod 6 is pulled to the side away from the filter 4. The movable rod 6 drives the limit block 7 to move. The limit block 7 squeezes the spring 8, and the limit block 7 is separated from the filter 4. At this time, the filter 4 is pulled out to the outside of the exhaust duct 1 and the filter 4 is taken out to facilitate cleaning of the filter 4.

[0041] When the wind force outside the building is small, the fan 11 is driven by the driving motor 12 to ventilate other parts inside the building. When the wind force outside the building is large, the electric push rod 16 is started to drive the movable plate 15 to move, and the movable plate 15 drives the rotating shaft 10 to move, so that the rotating shaft 10 slides inside the second fixed plate 9, and the rotating shaft 10 drives the cleaning plate 17 and the cleaning bristles 18 to move, so that the cleaning bristles 18 are separated from the filter 4 to reduce the resistance when the fan 11 rotates. The rotating shaft 10 drives the second bevel gear 14 to move, so that the first bevel gear 13 is separated from the second bevel gear 14, which is convenient for the larger separation outside the building to blow the fan 11, so that the fan 11 rotates under the action of natural wind. When the wind force decreases, the electric push rod 16 drives the movable plate 15 and the rotating shaft 10 to move, so that the second bevel gear 14 and the cleaning bristles 18 are reset, so that the cleaning bristles 18 contact with the filter 4, and the second bevel gear 14 is meshed with the first bevel gear 13, so as to improve the energy saving performance of the device.

[0042] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An energy-saving ventilation device for a building, comprising an exhaust pipe (1), the rear end of the exhaust pipe (1) being fixedly connected to an air inlet pipe (2), characterized in that: The exhaust pipe (1) is slidably connected to a filter screen (4), and the exhaust pipe (1) is fixedly connected to a second fixing plate (9); A cleaning assembly is arranged inside the exhaust pipe (1), and the cleaning assembly comprises a rotating shaft (10), the rotating shaft (10) is rotatably connected to the inside of the second fixing plate (9), and one end of the rotating shaft (10) away from the second fixing plate (9) is fixedly connected to a cleaning plate (17); One end of the cleaning plate (17) close to the filter screen (4) is fixedly connected with a cleaning bristle (18), and the cleaning bristle (18) is in contact with the filter screen (4).

2. The energy-saving ventilation device for buildings according to claim 1, characterized in that: The exhaust pipe (1) is fixedly connected to a driving motor (12) inside, and the output end of the driving motor (12) is fixedly connected to a first bevel gear (13); The surface of the rotating shaft (10) is fixedly connected with a second bevel gear (14), and the first bevel gear (13) and the second bevel gear (14) are meshed with each other.

3. The energy-saving ventilation device for buildings according to claim 1, characterized in that: The surface of the rotating shaft (10) is fixedly connected to a fan (11), a movable plate (15) is rotatably sleeved on the surface of the fan (11), and an electric push rod (16) is fixedly connected inside the exhaust pipe (1); The output end of the electric push rod (16) is fixedly connected to the movable plate (15).

4. The energy-saving ventilation device for buildings according to claim 1, characterized in that: The left end of the exhaust pipe (1) is fixedly connected to a first fixing plate (5), and a movable rod (6) is slidably connected inside the first fixing plate (5).

5. The energy-saving ventilation device for buildings according to claim 4, characterized in that: One end of the movable rod (6) close to the filter screen (4) is fixedly connected to a limiting block (7), and the limiting block (7) is clamped with the filter screen (4); A spring (8) is sleeved on the surface of the movable rod (6), and two ends of the spring (8) are fixedly connected to the limit block (7) and the first fixed plate (5).

6. The energy-saving ventilation device for buildings according to claim 1, characterized in that: A protective cover (3) is fixedly connected to the front end of the exhaust pipe (1).

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