Ventilation facility for energy conservation and emission reduction of building

Abstract

The invention belongs to the technical field of ventilation, and discloses a building energy-saving and emission-reducing ventilation facility which comprises an L-shaped communicating pipe, an electromagnet and a second lifting pump, a first water inlet pipe is arranged on the inner wall of one side of the middle of the L-shaped communicating pipe in a penetrating mode, and the end, located in the L-shaped communicating pipe, of the first water inlet pipe is in threaded connection with a washing spray head; and the other end of the first water inlet pipe communicates with a water outlet of a first lifting pump, a filter screen cover is clamped and fixed to the outer wall of the bottom of an L-shaped communicating pipe, and a first servo motor is fixed to the bottom of the outer wall of one side of the L-shaped communicating pipe through a bolt. When outdoor air is subjected to replacement treatment, the outdoor air penetrates through the cylindrical drying net cage filled with activated carbon, peculiar smell in the air can be absorbed, wet air can be dried, and therefore the air can be effectively purified; and in addition, in the exhaust process, smooth exhaust can be ensured by utilizing the arranged non-return cover plate.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation and air exchange, and in particular to a ventilation and air exchange facility for energy saving and emission reduction in buildings. Background Art

[0002] Building energy conservation refers to reducing energy consumption as much as possible while meeting the same needs or achieving the same purpose during the production of building materials, construction of houses and structures, and use of buildings. Building energy conservation was initially aimed at reducing energy loss in buildings in developed countries. It is generally called "improving energy utilization in buildings". Under the condition of ensuring improved building comfort, energy is used rationally to continuously improve energy efficiency. Ventilation facilities, also known as ventilation, use mechanical or natural methods to deliver enough fresh air to indoor spaces, while expelling dirty air that does not meet hygiene requirements, so that indoor air meets hygiene requirements and production process needs. In the steps of completing ventilation in existing buildings, there are still some problems when using existing building ventilation facilities:

[0003] 1. The facilities are prone to clogging. Due to long-term ventilation, outdoor air needs to be pumped into the room for air replacement. Outdoor air often contains more dust, thus generating PM2.5. Therefore, filtering means are needed to purify the air entering the room. However, due to the high dust content, long-term operation will cause the mesh of the filter inside the ventilation facility to be clogged, thus affecting the overall ventilation effect.

[0004] 2. Poor demand for improvement. Existing building ventilation facilities can only purify the air when replacing indoor and outdoor air, and then discharge it directly into the room. However, due to different outdoor air conditions in different regions, there will be problems such as humid air, low air temperature, and dry air. If such air is directly discharged into the room for replacement, it will cause discomfort to the human body. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a ventilation facility for building energy conservation and emission reduction.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A ventilation facility for energy saving and emission reduction of buildings, comprising an L-shaped connecting pipe, an electromagnet and a second lifting pump, wherein a first water inlet pipe is provided through the inner wall of one side of the middle of the L-shaped connecting pipe, and a flushing nozzle is screwed to one end of the first water inlet pipe located inside the L-shaped connecting pipe, and the other end of the first water inlet pipe is connected to a water outlet of a first lifting pump, a filter screen is fixed to the outer wall of the bottom of the L-shaped connecting pipe by clamping, and a first servo motor is fixed to the bottom of the outer wall of one side of the L-shaped connecting pipe by bolts, a cleaning brush is connected to the output shaft of the first servo motor, and a ventilation duct is plugged and fixed to the inner wall of one end of the top of the L-shaped connecting pipe;

[0008] A guide cover is welded to the inner wall of one side of the ventilation duct, and a cylindrical drying net box is clamped and fixed to the outer wall of the guide cover. An exhaust pipe is welded to one side of the cylindrical drying net box, and a non-return cover is hinged at one end of the exhaust pipe located on the inner wall of the cylindrical drying net box. Electric heating wires are installed in an annular shape at equal distances on the outer wall of the middle part of the ventilation duct, and a heat insulation cover is arranged outside the electric heating wires;

[0009] An ultraviolet sterilization lamp is installed on the middle inner wall of the ventilation duct, and a guide cone shell is welded to the inner wall of the end of the inner wall of the ventilation duct away from the ultraviolet sterilization lamp, a temperature sensor is arranged on the inner wall of the guide cone shell, and a humidity sensor is fixed to the inner wall of one end of the ventilation duct away from the L-shaped connecting pipe, a photovoltaic power generation panel is arranged on one side of the L-shaped connecting pipe, and the photovoltaic power generation panel is respectively connected to a controller and an inverter through wires, the inverter is connected to a battery through wires, and a forward and reverse fan is installed inside the end of the ventilation duct by screws.

[0010] Preferably, a circular sealing plate is rotatably mounted on the middle inner wall of the L-shaped connecting pipe, and one side of the circular sealing plate is connected to a second servo motor via a rotating shaft, and the size of the circular sealing plate is adapted to the size of the inner wall of the L-shaped connecting pipe.

[0011] Preferably, a fixing groove is formed on the outer wall of the end of the L-shaped connecting pipe close to the ventilation pipe, and a fixing clamp is provided on the inner wall of the fixing groove, and the fixing clamp, the L-shaped connecting pipe and the ventilation pipe form a tight fit.

[0012] Preferably, an inspection slot is formed on the bottom outer wall of the ventilation duct, and an arc-shaped sealing cover plate is hingedly connected to the inner wall of the inspection slot, and sealing rings are bonded to the outer walls around the arc-shaped sealing cover plate.

[0013] Preferably, an electromagnet is embedded in the bottom of the outer wall of one side of the exhaust pipe close to the non-return cover plate, and a rectangular iron sheet is bonded to the bottom of the outer wall of one side of the non-return cover plate close to the exhaust pipe, and the electromagnet forms a tight fit with the rectangular iron sheet after being energized.

[0014] Preferably, the cylindrical drying grid box is a concentric tubular mesh structure, and the interior of the cylindrical drying grid box is filled with activated carbon.

[0015] Preferably, an annular connecting pipe is provided on the inner wall of the end of the guide cone shell inside the ventilation duct, and the inner wall of the annular connecting pipe is screwed with atomizing nozzles distributed at equal distances. The inner wall of one side of the annular connecting pipe is connected to a second water inlet pipe, and the end of the second water inlet pipe is connected to the water outlet of the second lifting pump.

[0016] Preferably, a limit holder with fixed blocks welded at four corners is screwed onto the outer wall of one side of the ventilation duct, and a ventilation shell is fixedly connected to the outer wall of the limit holder, and rectangular ventilation grooves distributed at equal distances are opened on the outer walls of the four sides of the ventilation shell.

[0017] Preferably, the first lifting pump, the first servo motor, the second servo motor, the electromagnet, the electric heating wire, the ultraviolet sterilization lamp, the temperature sensor, the second lifting pump, the humidity sensor, the controller and the forward and reverse fans are all connected to the PLC controller through signal lines, and the PLC controller is connected to the battery through wires.

[0018] The beneficial effects of the present invention are:

[0019] 1. The ventilation and ventilating facilities for building energy conservation and emission reduction designed in this invention first pass the air through the external filter cover before ventilation treatment, so as to filter the outdoor air preliminarily. The filter cover can also prevent external flying insects, large particles of impurities or other foreign objects from entering the ventilation facilities. When the mesh of the filter cover is clogged, the flushing nozzle can be used with the continuously rotating cleaning brush to achieve self-cleaning treatment, which greatly reduces the workload of later maintenance.

[0020] 2. The ventilation facilities for building energy conservation and emission reduction designed in this paper, when replacing outdoor air, pass it through a columnar drying mesh box filled with activated carbon, which can not only absorb odors in the air, but also dry the moist air, so as to effectively purify the air. In addition, the anti-return cover plate set in the exhaust process can ensure the smooth exhaust and prevent the inflow of external air.

[0021] 3. The ventilation facilities for building energy conservation and emission reduction designed in this paper can effectively purify the air by double filtering operation during the input of external air, and sterilize it by ultraviolet sterilization lamp after purification. With the help of the feedback combination of electric heating wire and temperature sensor, the air can be heated to a suitable temperature, and the feedback combination of atomizing nozzle and humidity sensor can be used to humidify the air, thus effectively improving the comfort of ventilation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a front view of the overall structure of a ventilation facility for energy saving and emission reduction in buildings proposed by the present invention;

[0023] Figure 2 A bottom view of the overall structure of a ventilation facility for energy saving and emission reduction in buildings proposed by the present invention;

[0024] Figure 3 This is a schematic diagram of the overall structure of a ventilation facility for building energy conservation and emission reduction proposed by the present invention;

[0025] Figure 4 A partial structural schematic diagram of a ventilation facility for energy saving and emission reduction in buildings proposed by the present invention;

[0026] Figure 5 A partial structural cross-sectional view of a ventilation facility for energy saving and emission reduction in a building proposed by the present invention;

[0027] Figure 6 An exploded diagram of the internal structure of a ventilation duct of a ventilation and ventilation facility for energy saving and emission reduction in a building proposed by the present invention;

[0028] Figure 7 This is a first-view structural schematic diagram of a ventilation facility for building energy conservation and emission reduction proposed by the present invention;

[0029] Figure 8 This is a schematic diagram of the disassembled structure of a columnar drying box of a ventilation facility for energy saving and emission reduction in buildings proposed by the present invention.

[0030] In the figure: 1, L-shaped connecting pipe; 2, first water inlet pipe; 3, first lifting pump; 4, flushing nozzle; 5, filter screen; 6, first servo motor; 7, cleaning brush; 8, circular sealing plate; 9, second servo motor; 10, ventilation duct; 11, fixed card slot; 12, fixed clamp; 13, guide cover platform; 14, maintenance notch; 15, arc-shaped sealing cover plate; 16, cylindrical drying net box; 17, exhaust pipe; 18, non-return cover plate; 19, electromagnet; 20, rectangular iron sheet; 21, Electric heating wire; 22. Heat-insulating cover; 23. Ultraviolet sterilization lamp; 24. Guide cone shell; 25. Temperature sensor; 26. Annular connecting pipe; 27. Atomizing nozzle; 28. Second water inlet pipe; 29. ​​Second lifting pump; 30. Humidity sensor; 31. Limiting card seat; 32. Fixed card block; 33. Ventilation cover; 34. Rectangular ventilation slot; 35. Photovoltaic power generation panel; 36. Controller; 37. Inverter; 38. Battery; 39. PLC controller; 40. Forward and reverse fan. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] Example 1, reference Figure 1-8 A ventilation facility for energy saving and emission reduction of buildings, comprising an L-shaped connecting pipe 1, an electromagnet 19 and a second lifting pump 29, a first water inlet pipe 2 is provided through the inner wall of one side of the middle of the L-shaped connecting pipe 1, and a flushing nozzle 4 is screwed on one end of the first water inlet pipe 2 located inside the L-shaped connecting pipe 1, the other end of the first water inlet pipe 2 is connected to the water outlet of the first lifting pump 3, and a filter screen cover 5 is fixed to the bottom outer wall of the L-shaped connecting pipe 1;

[0033] A first servo motor 6 is fixed to the bottom of the outer wall of one side of the L-shaped connecting pipe 1 by bolts, and a cleaning brush 7 is connected to the output shaft of the first servo motor 6. A circular sealing plate 8 is rotatably installed on the inner wall of the middle part of the L-shaped connecting pipe 1, and a second servo motor 9 is connected to one side of the circular sealing plate 8 by a rotating shaft. The size of the circular sealing plate 8 is adapted to the size of the inner wall of the L-shaped connecting pipe 1, and a ventilation pipe 10 is plugged and fixed to the inner wall of the top end of the L-shaped connecting pipe 1. A fixed card groove 11 is opened on the outer wall of the end of the L-shaped connecting pipe 1 close to the ventilation pipe 10, and a fixed clamp 12 is provided on the inner wall of the fixed card groove 11, and the fixed clamp 12, the L-shaped connecting pipe 1 and the ventilation pipe 10 form a tight fit;

[0034] The bottom outer wall of the ventilation duct 10 is provided with an inspection slot 14, and the inner wall of the inspection slot 14 is hinged with an arc-shaped sealing cover plate 15, and the outer walls of the arc-shaped sealing cover plate 15 are all bonded with sealing rings. The cylindrical drying net box 16 is a concentric tubular mesh structure, and the interior of the cylindrical drying net box 16 is filled with activated carbon;

[0035] Before the air is ventilated, it is first passed through the external filter screen 5, so that the outdoor air can be initially filtered, and the filter screen 5 can also prevent external flying insects, large particles of impurities or other foreign matter from entering the ventilation facility. When the mesh of the filter screen 5 is clogged, the flushing nozzle 4 can be used in conjunction with the continuously rotating cleaning brush 7 to achieve self-cleaning, which greatly reduces the workload of later maintenance.

[0036] A guide cover 13 is welded to the inner wall of one side of the ventilation duct 10, and a cylindrical drying net box 16 is clamped and fixed to the outer wall of the guide cover 13, an exhaust pipe 17 is welded to one side of the cylindrical drying net box 16, and a non-return cover plate 18 is hinged at one end of the exhaust pipe 17 located on the inner wall of the cylindrical drying net box 16, an electromagnet 19 is embedded at the bottom of the outer wall of one side of the exhaust pipe 17 close to the non-return cover plate 18, and a rectangular iron sheet 20 is bonded to the bottom of the outer wall of one side of the non-return cover plate 18 close to the exhaust pipe 17, and the electromagnet 19 forms a tight fit with the rectangular iron sheet 20 after being energized, and an electric heating wire 21 is installed in an annular shape on the outer wall of the middle part of the ventilation duct 10 at equal distances, and a heat insulation cover shell 22 is arranged outside the electric heating wire 21;

[0037] An ultraviolet germicidal lamp 23 is installed on the inner wall of the middle part of the ventilation duct 10, and a guide cone shell 24 is welded to the inner wall of the end of the inner wall of the ventilation duct 10 away from the ultraviolet germicidal lamp 23, a temperature sensor 25 is arranged on the inner wall of the guide cone shell 24, and a humidity sensor 30 is fixed to the inner wall of one end of the ventilation duct 10 away from the L-shaped connecting pipe 1, an annular connecting pipe 26 is arranged on the inner wall of the end of the guide cone shell 24 inside the ventilation duct 10, and atomizing nozzles 27 distributed at equal distances are screwed on the inner wall of the annular connecting pipe 26, and a second water inlet pipe 28 is connected to the inner wall of one side of the annular connecting pipe 26, and the end of the second water inlet pipe 28 is connected to the water outlet of the second lifting pump 29;

[0038] When replacing outdoor air, it passes through the columnar drying mesh box 16 filled with activated carbon, which can not only absorb the odor in the air, but also dry the moist air, so that the air can be effectively purified. In addition, the anti-return cover plate 18 can be used to ensure smooth exhaust and prevent the inflow of external air during the exhaust process.

[0039] A limit holder 31 with fixed blocks 32 welded at four corners is screwed on the outer wall of one side of the ventilation duct 10, and a ventilation cover 33 is fixed to the outer wall of the limit holder 31, and rectangular ventilation slots 34 distributed at equal distances are opened on the outer walls of the four sides of the ventilation cover 33; a photovoltaic power generation panel 35 is provided on one side of the L-shaped connecting pipe 1, and the photovoltaic power generation panel 35 is respectively connected to a controller 36 and an inverter 37 through wires, and the inverter 37 is connected to a battery 38 through wires, and a forward and reverse fan 40 is installed inside the end of the ventilation duct 10 by screws, and the first lifting pump 3, the first servo motor 6, the second servo motor 9, the electromagnet 19, the electric heating wire 21, the ultraviolet sterilization lamp 23, the temperature sensor 25, the second lifting pump 29, the humidity sensor 30, the controller 36 and the forward and reverse fan 40 are all connected to a PLC controller 39 through signal lines, and the PLC controller 39 is connected to a battery 38 through wires.

[0040] When the ventilation and ventilation facilities for energy saving and emission reduction of the building are used, the ventilation duct 10 is first installed on the wall of the building that needs ventilation, and the end located indoors is screwed and fixed by the limit clamp 31, and the end of the ventilation duct 10 located outdoors is inserted into the L-shaped connecting pipe 1, and is installed in the fixed card slot 11 by the fixing clamp 12, and the L-shaped connecting pipe 1 and the ventilation duct 10 are fixed. After the other components are installed, the photovoltaic power generation panel 35, the controller 36, and the inverter 37 cooperate with each other to convert light energy into electrical energy and store it in the battery 38, and then the PLC control is used. The device 39 first starts the forward and reverse fans 40 to draw outdoor air into the room. Since the outdoor air contains more dust, it will undergo preliminary filtering when passing through the filter cover 5. The filtered air passes through the cylindrical drying mesh box 16 filled with activated carbon again, which can not only further filter the air, but also remove odor and moisture in the air. After the treatment, the air passes through the guide cone shell 24 to complete the acceleration, and then is discharged from the rectangular ventilation slots 34 around the ventilation cover shell 33. When there is still odor in the air, the ultraviolet sterilization lamp 23 is started to irradiate the air for sterilization and odor removal.

[0041] Example 2, reference Figure 3-7 A ventilation facility for energy saving and emission reduction of buildings, comprising an L-shaped connecting pipe 1, an electromagnet 19 and a second lifting pump 29, a first water inlet pipe 2 is provided through the inner wall of one side of the middle of the L-shaped connecting pipe 1, and a flushing nozzle 4 is screwed on one end of the first water inlet pipe 2 located inside the L-shaped connecting pipe 1, the other end of the first water inlet pipe 2 is connected to the water outlet of the first lifting pump 3, and a filter screen cover 5 is fixed to the bottom outer wall of the L-shaped connecting pipe 1;

[0042] A first servo motor 6 is fixed to the bottom of the outer wall of one side of the L-shaped connecting pipe 1 by bolts, and a cleaning brush 7 is connected to the output shaft of the first servo motor 6. A circular sealing plate 8 is rotatably installed on the inner wall of the middle part of the L-shaped connecting pipe 1, and a second servo motor 9 is connected to one side of the circular sealing plate 8 by a rotating shaft. The size of the circular sealing plate 8 is adapted to the size of the inner wall of the L-shaped connecting pipe 1, and a ventilation pipe 10 is plugged and fixed to the inner wall of the top end of the L-shaped connecting pipe 1. A fixed card groove 11 is opened on the outer wall of the end of the L-shaped connecting pipe 1 close to the ventilation pipe 10, and a fixed clamp 12 is provided on the inner wall of the fixed card groove 11, and the fixed clamp 12, the L-shaped connecting pipe 1 and the ventilation pipe 10 form a tight fit;

[0043] In the process of inputting external air, the double filtering operation can effectively purify the air, and after purification, the ultraviolet sterilization lamp 23 is used for sterilization, and the air can be heated to a suitable temperature by the combination of the electric heating wire 21 and the feedback of the temperature sensor 25, and the air can be humidified by the combination of the feedback of the atomizing nozzle 27 and the humidity sensor 30, so that the comfort of ventilation can be effectively improved;

[0044] The bottom outer wall of the ventilation duct 10 is provided with an inspection slot 14, and the inner wall of the inspection slot 14 is hinged with an arc-shaped sealing cover plate 15, and the outer walls of the arc-shaped sealing cover plate 15 are all bonded with sealing rings. The cylindrical drying net box 16 is a concentric tubular mesh structure, and the interior of the cylindrical drying net box 16 is filled with activated carbon;

[0045] A guide cover 13 is welded to the inner wall of one side of the ventilation duct 10, and a cylindrical drying net box 16 is clamped and fixed to the outer wall of the guide cover 13, an exhaust pipe 17 is welded to one side of the cylindrical drying net box 16, and a non-return cover plate 18 is hinged at one end of the exhaust pipe 17 located on the inner wall of the cylindrical drying net box 16, an electromagnet 19 is embedded at the bottom of the outer wall of one side of the exhaust pipe 17 close to the non-return cover plate 18, and a rectangular iron sheet 20 is bonded to the bottom of the outer wall of one side of the non-return cover plate 18 close to the exhaust pipe 17, and the electromagnet 19 forms a tight fit with the rectangular iron sheet 20 after being energized, and an electric heating wire 21 is installed in an annular shape on the outer wall of the middle part of the ventilation duct 10 at equal distances, and a heat insulation cover shell 22 is arranged outside the electric heating wire 21;

[0046] An ultraviolet germicidal lamp 23 is installed on the inner wall of the middle part of the ventilation duct 10, and a guide cone shell 24 is welded to the inner wall of the end of the inner wall of the ventilation duct 10 away from the ultraviolet germicidal lamp 23, a temperature sensor 25 is arranged on the inner wall of the guide cone shell 24, and a humidity sensor 30 is fixed to the inner wall of one end of the ventilation duct 10 away from the L-shaped connecting pipe 1, an annular connecting pipe 26 is arranged on the inner wall of the end of the guide cone shell 24 inside the ventilation duct 10, and atomizing nozzles 27 distributed at equal distances are screwed on the inner wall of the annular connecting pipe 26, and a second water inlet pipe 28 is connected to the inner wall of one side of the annular connecting pipe 26, and the end of the second water inlet pipe 28 is connected to the water outlet of the second lifting pump 29;

[0047] A limit holder 31 with fixed blocks 32 welded at four corners is screwed on the outer wall of one side of the ventilation duct 10, and a ventilation cover 33 is fixed to the outer wall of the limit holder 31, and rectangular ventilation slots 34 distributed at equal distances are opened on the outer walls of the four sides of the ventilation cover 33; a photovoltaic power generation panel 35 is provided on one side of the L-shaped connecting pipe 1, and the photovoltaic power generation panel 35 is respectively connected to a controller 36 and an inverter 37 through wires, and the inverter 37 is connected to a battery 38 through wires, and a forward and reverse fan 40 is installed inside the end of the ventilation duct 10 by screws, and the first lifting pump 3, the first servo motor 6, the second servo motor 9, the electromagnet 19, the electric heating wire 21, the ultraviolet sterilization lamp 23, the temperature sensor 25, the second lifting pump 29, the humidity sensor 30, the controller 36 and the forward and reverse fan 40 are all connected to a PLC controller 39 through signal lines, and the PLC controller 39 is connected to a battery 38 through wires.

[0048] When the ventilation and ventilation facilities for energy saving and emission reduction of the building are used, the ventilation duct 10 is first installed on the wall of the building that needs ventilation, and the end located indoors is screwed and fixed by the limit clamp 31, and the end of the ventilation duct 10 located outdoors is inserted into the L-shaped connecting pipe 1, and is installed in the fixed card slot 11 by the fixing clamp 12, and the L-shaped connecting pipe 1 and the ventilation duct 10 are fixed. After the other components are installed, the photovoltaic power generation panel 35, the controller 36, and the inverter 37 cooperate with each other to convert light energy into electrical energy and store it in the battery 38, and then the PLC control is used. The device 39 first starts the forward and reverse fan 40 to draw outdoor air into the room. Since the outdoor air contains more dust, it will be initially filtered when passing through the filter screen 5. The filtered air will pass through the columnar drying mesh box 16 filled with activated carbon again, which can not only further filter the air, but also remove the odor and moisture in the air. After the treatment, the air passes through the guide cone shell 24 to complete the acceleration, and then is discharged from the rectangular ventilation slots 34 around the ventilation cover shell 33. When there is still odor in the air, the ultraviolet sterilization lamp 23 is started to irradiate the air for sterilization and odor removal;

[0049] When the air entering the room is too cold, the PLC controller 39 is used to control the electric heating wire 21 to heat the air, and combined with the feedback of the temperature sensor 25, the air is heated to a suitable temperature and then discharged to the adapter to complete the ventilation process. When the air entering the room is too dry, the second lift pump 29 is used to pump water, and the atomizing nozzle 27 is used to spray water mist in the air for humidification. The feedback of the humidity sensor 30 is used to process the indoor air so that the indoor air can be at a suitable humidity. When exhausting, the electric Magnet 19, thereby check cover 18 is loosened, and at this time, the turbid air in the room is extracted by the forward and reverse fan 40, and discharged from the check cover 18, and the air extraction is successfully completed. When the mesh of the filter cover 5 is blocked, the flushing nozzle 4 is used to flush water, and the first servo motor 6 at the bottom drives the cleaning brush 7 to rotate, so as to complete the self-cleaning process. When an emergency situation does not require ventilation, the forward and reverse fan 40 is turned off, and the second servo motor 9 is used to drive the circular sealing plate 8 to rotate, so that the inner wall of the L-shaped connecting pipe 1 is blocked to complete the blocking.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0052] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A ventilation facility for energy saving and emission reduction in buildings, comprising an L-shaped connecting pipe (1), an electromagnet (19) and a second lifting pump (29), characterized in that: A first water inlet pipe (2) is provided through the inner wall of one side of the middle of the L-shaped connecting pipe (1), and a flushing nozzle (4) is screwed to one end of the first water inlet pipe (2) located inside the L-shaped connecting pipe (1), and the other end of the first water inlet pipe (2) is connected to the water outlet of the first lifting pump (3). A filter screen (5) is fixed to the outer wall of the bottom of the L-shaped connecting pipe (1), and a first servo motor (6) is fixed to the bottom of the outer wall of one side of the L-shaped connecting pipe (1) by bolts, and a cleaning brush (7) is connected to the output shaft of the first servo motor (6), and a ventilation pipe (10) is plugged and fixed to the inner wall of one end of the top of the L-shaped connecting pipe (1); A guide cover (13) is welded to the inner wall of one side of the ventilation duct (10), and a columnar drying net box (16) is fixedly connected to the outer wall of the guide cover (13), an exhaust pipe (17) is welded to one side of the columnar drying net box (16), and a non-return cover plate (18) is hingedly connected to one end of the exhaust pipe (17) located on the inner wall of the columnar drying net box (16), and electric heating wires (21) are installed in an annular shape and at equal distances on the outer wall of the middle part of the ventilation duct (10), and a heat insulation cover shell (22) is arranged outside the electric heating wires (21); An ultraviolet sterilization lamp (23) is installed on the inner wall of the middle part of the ventilation duct (10), and a guide cone shell (24) is welded to the inner wall of the end of the inner wall of the ventilation duct (10) away from the ultraviolet sterilization lamp (23), and a temperature sensor (25) is arranged on the inner wall of the guide cone shell (24), and a humidity sensor (30) is fixed to the inner wall of one end of the ventilation duct (10) away from the L-shaped connecting pipe (1), a photovoltaic power generation panel (35) is arranged on one side of the L-shaped connecting pipe (1), and the photovoltaic power generation panel (35) is respectively connected to a controller (36) and an inverter (37) through wires, and the inverter (37) is connected to a battery (38) through wires, and a forward and reverse fan (40) is installed inside the end of the ventilation duct (10) through screws.

2. A ventilation facility for building energy saving and emission reduction according to claim 1, characterized in that: A circular sealing plate (8) is rotatably mounted on the inner wall of the middle portion of the L-shaped connecting pipe (1), and one side of the circular sealing plate (8) is connected to a second servo motor (9) via a rotating shaft. The size of the circular sealing plate (8) is compatible with the size of the inner wall of the L-shaped connecting pipe (1).

3. A ventilation facility for building energy saving and emission reduction according to claim 1, characterized in that: A fixing groove (11) is formed on the outer wall of the end of the L-shaped connecting pipe (1) close to the ventilation pipe (10), and a fixing clamp (12) is provided on the inner wall of the fixing groove (11); the fixing clamp (12), the L-shaped connecting pipe (1) and the ventilation pipe (10) form a tight fit.

4. A ventilation facility for building energy saving and emission reduction according to claim 1, characterized in that: The bottom outer wall of the ventilation duct (10) is provided with an inspection slot (14), and the inner wall of the inspection slot (14) is hinged with an arc-shaped sealing cover plate (15), and the outer walls around the arc-shaped sealing cover plate (15) are all bonded with sealing rings.

5. The ventilation facility for building energy saving and emission reduction according to claim 1, characterized in that: An electromagnet (19) is embedded in the bottom of the outer wall of one side of the exhaust pipe (17) close to the non-return cover plate (18), and a rectangular iron sheet (20) is bonded to the bottom of the outer wall of one side of the non-return cover plate (18) close to the exhaust pipe (17). When the electromagnet (19) is energized, it forms a tight fit with the rectangular iron sheet (20).

6. A ventilation facility for building energy saving and emission reduction according to claim 1, characterized in that: The columnar drying net box (16) is a concentric tubular mesh structure, and the interior of the columnar drying net box (16) is filled with activated carbon.

7. A ventilation facility for building energy saving and emission reduction according to claim 4, characterized in that: An annular connecting pipe (26) is provided on the inner wall of the end of the guide cone shell (24) inside the ventilation duct (10), and atomizing nozzles (27) distributed at equal distances are screwed to the inner wall of the annular connecting pipe (26), and a second water inlet pipe (28) is connected to the inner wall of one side of the annular connecting pipe (26), and the end of the second water inlet pipe (28) is connected to the water outlet of the second lift pump (29).

8. A ventilation facility for building energy saving and emission reduction according to claim 7, characterized in that: A limit clamping seat (31) having fixed clamping blocks (32) welded at four corners is screwed to the outer wall of one side of the ventilation duct (10), and a ventilation cover (33) is clamped and fixed to the outer wall of the limit clamping seat (31), and rectangular ventilation slots (34) distributed at equal distances are formed on the outer walls of the four sides of the ventilation cover (33).

9. A ventilation facility for building energy saving and emission reduction according to claim 2, characterized in that: The first lift pump (3), the first servo motor (6), the second servo motor (9), the electromagnet (19), the electric heating wire (21), the ultraviolet sterilization lamp (23), the temperature sensor (25), the second lift pump (29), the humidity sensor (30), the controller (36) and the forward and reverse rotating fan (40) are all connected to a PLC controller (39) via signal lines, and the PLC controller (39) is connected to a battery (38) via wires.

Images