Building safety ventilation shaft

Abstract

The utility model provides a building safety ventilation shaft which comprises a first shaft way, a second shaft way and a third shaft way, a filter screen assembly and an air detection sensor are arranged in the first shaft way, and the first shaft way is used for detecting and filtering air; the bottom of the second shaft is fixedly connected with the top of the first shaft, and a fan assembly and a ventilation assembly are arranged in the second shaft and used for controlling air exhaust and air intake; the bottom of the third shaft is fixedly connected with the top of the second shaft, and a shutter assembly is arranged in the third shaft and used for controlling opening and closing of the channel. The vertical ventilation shaft can be used in a building vertical ventilation shaft, the air quality can be improved conveniently, and air can be exhausted easily.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation shafts, in particular to a building safety ventilation shaft. Background Art

[0002] Ventilation shaft is a kind of exhaust facility. In order to ensure safety, ventilation and exhaust channels are set up as needed in engineering design. For the safety of building construction and the safety of building use, building safety ventilation shafts are widely used in the field of ventilation shaft technology.

[0003] The main body of the vertical ventilation shaft is a rectangular structure, and the four adjacent sides are provided with rectangular openings. The main body of the ventilation window is installed at the rectangular openings; the edges of the rectangular openings are fixedly installed with grooved steel; the cross-section of the grooved steel is a hollow concave structure, consisting of a fixed cavity and a cavity, and the inner wall of the fixed cavity relative to the opening of the concave structure is symmetrically provided with limit plates, and rubber blocks are movably inserted on the two limit plates. The main body of the ventilation window is inserted into the fixed cavity and contacts the rubber blocks. The vertical ventilation shaft effectively avoids the problem of obvious cracks at the connection between the ventilation window frame and the brick structure due to metal expansion, or the problem of the decorative wall of the outer wall of the brick structure falling off and cracking.

[0004] At present, when vertical ventilation shafts in buildings are in use, air flows in and out through one channel, which is not conducive to improving air quality, and the exhausted air is easily re-entered into the channel; when vertical ventilation shafts in buildings are in use, dust and dirt in the air enters the ventilation shaft, and there is no air quality monitoring device, which makes it inconvenient to distinguish the quality of the air. Long-term inhalation of harmful gases will affect your health. Utility Model Content

[0005] The utility model aims to solve one of the technical problems in the related art at least to a certain extent.

[0006] Therefore, the utility model proposes a building safety ventilation shaft, which is divided into three parts from bottom to top. The lower shaft has a built-in filter and air detection sensor for air detection and air filtration; the middle shaft has a built-in fan, ventilation components and controller for controlling exhaust and air intake; the upper shaft is equipped with electric shutters for controlling the opening and closing of the passage, which can effectively ventilate and exhaust.

[0007] The utility model provides a building safety ventilation shaft, comprising: a first shaft, a second shaft and a third shaft, wherein:

[0008] The first well has a built-in filter assembly and an air detection sensor for air detection and air filtration;

[0009] The bottom of the second well is fixedly connected to the top of the first well, and the second well has a built-in fan assembly and a ventilation assembly for controlling exhaust and intake of air;

[0010] The bottom of the third well is fixedly connected to the top of the second well, and the third well has a built-in shutter assembly for controlling the opening and closing of the channel.

[0011] In addition, the building safety ventilation shaft according to the above embodiment of the utility model may also have the following additional technical features:

[0012] Furthermore, in an embodiment of the present utility model, a groove is provided inside the first well, the inside of the groove is slidably connected to a filter assembly, and an air detection sensor is installed inside the first well.

[0013] Furthermore, in one embodiment of the utility model, the interior of the second shaft is fixedly connected to a fan frame, the inner bottom wall of the fan frame is fixedly connected to a fan assembly, the top surface of the fan frame is fixedly connected to a ventilation assembly, the top surface of the ventilation assembly is fixedly connected to a fan cover, and a controller is installed on one side of the second shaft; wherein the fan assembly includes a fan and a servo motor, and the ventilation assembly includes a ventilation duct, a solenoid valve, and an exhaust duct.

[0014] Furthermore, in one embodiment of the utility model, a plurality of louver frames are clamped on the surface of the third shaft, guide rails are clamped on both sides of the louver frames, the surface of one side of the guide rails is threadedly connected to the electric push rod assembly through bolts, and the inside of the guide rails is slidably connected to the louver assembly; wherein, the louver assembly includes sliding plates, movable plates and louver blades; and the electric push rod assembly includes an electric push rod and push-pull plates.

[0015] Furthermore, in an embodiment of the present invention, the filter screen assembly includes a filter screen and a handle; the filter screen is slidably connected to the inside of the groove, and one side of the filter screen is fixedly connected to the handle.

[0016] Furthermore, in an embodiment of the present utility model, the output end of the electric push rod is threadedly connected to the push-pull piece via a limiting column.

[0017] Furthermore, in one embodiment of the utility model, a plurality of first through holes are opened on the surface of the sliding sheet, and the first through holes are connected to a plurality of the movable sheets through threads, and tightening holes are opened on the surfaces of a plurality of the movable sheets, and the tightening holes are rotatably connected to the guide rod through tightening columns, and a plurality of the louver blades are fixedly connected to the surfaces of a plurality of the movable sheets, and screw holes are opened on the surface of the sliding sheet, and the screw holes are connected to the push-pull sheet through screw threads.

[0018] Furthermore, in an embodiment of the present invention, the servo motor is fixedly connected to the top surface of the fan frame, the output end of the servo motor is splined to a transmission rod, and one end of the transmission rod is fixedly connected to the fan.

[0019] Furthermore, in an embodiment of the present utility model, the top surface of the third shaft is fixedly connected to a baffle, a second through hole is provided on the surface of the baffle, and the material of the baffle is glass.

[0020] Furthermore, in one embodiment of the utility model, the ventilation duct is fixedly connected to the top surface of the fan frame, one side of the ventilation duct is connected to the solenoid valve, one end of the solenoid valve is connected to the exhaust duct, one side of the solenoid valve is electrically connected to the controller through a power cord, and the exhaust duct is adapted to the second through hole.

[0021] The utility model of building safety ventilation shaft adopts the method of separating exhaust and air inlet channels to improve the air in the building, avoid air stagnation and mutual pollution, and affect the safety of people in the building. The filter screen and air detection sensor are adopted to automatically improve the air quality, avoid people in the building from breathing unclean air and damaging their health. The electric control of the shaft air inlet shutter is adopted to prevent rainwater from entering the room through the ventilation shaft.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0024] Figure 1 This is an overall structural diagram of a building safety ventilation shaft according to an embodiment of the utility model;

[0025] Figure 2 A system structure diagram of a hoistway A according to an embodiment of the utility model;

[0026] Figure 3 A system structure diagram of a hoistway B according to an embodiment of the utility model;

[0027] Figure 4 1 is a system structure diagram of a hoistway C according to an embodiment of the utility model. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] The following describes a building safety ventilation shaft according to an embodiment of the utility model with reference to the accompanying drawings.

[0030] Figure 1 A schematic structural diagram of a building safety ventilation shaft provided in an embodiment of the utility model.

[0031] like Figure 1 As shown, the building safety ventilation shaft includes a first shaft, a second shaft and a third shaft, wherein:

[0032] The first well has a built-in filter assembly and an air detection sensor for air detection and air filtration;

[0033] The bottom of the second well is fixedly connected to the top of the first well, and the second well has a built-in fan assembly and a ventilation assembly for controlling exhaust and intake of air;

[0034] The bottom of the third well is fixedly connected to the top of the second well, and the third well has a built-in shutter assembly for controlling the opening and closing of the passage.

[0035] It can be understood that the first well corresponds to Figure 1 Well A in the middle, the second well corresponds to Figure 1 Well B in the third well corresponds to Figure 1 Well C in the.

[0036] like Figure 1 As shown, the building safety ventilation shaft is divided into three parts from bottom to top, namely shaft A, shaft B, and shaft C. Figure 1 The structural names corresponding to the numbers are as follows: 6 is the shaft C, 11 is the baffle, and 15 is the controller.

[0037] Figure 2 is a structural diagram of shaft A, as shown in Figure 2 As shown, Figure 2 The structural names corresponding to the middle numbers are as follows: 1 is the well A; 2 is the filter assembly, including 201 is the filter and 202 is the handle; 12 is the air detection sensor.

[0038] Exemplarily, a groove is opened inside the well A, a filter assembly 2 is slidably connected inside the groove, and an air detection sensor 12 is installed inside the well A.

[0039] Exemplarily, the filter assembly 2 includes a filter 201 slidably connected to the inside of the groove, and a handle 202 is fixedly connected to one side of the filter 201. The setting of the filter assembly 2 plays a filtering role.

[0040] Specifically, through the setting of the filter assembly 2 and the air detection sensor 12, when the air quality is lower than the set limit value, the air detection sensor 12 will send a signal, and the controller 15 ( Figure 1 ) will control fan 5( Figure 3 ) for blowing, through the filter 201 ( Figure 2 ) to filter the air, thereby filtering the air and preventing people in the building from breathing unclean air and damaging their health.

[0041] Figure 3 is a schematic diagram of the structure of shaft B, as shown in Figure 3 As shown, Figure 3 The structural names corresponding to the numbers are as follows: 3 is the shaft B; 4 is the fan frame; 5 is the fan assembly, including a servo motor and a fan; 13 is the ventilation assembly, including 1301 for the ventilation duct, 1302 for the solenoid valve, 1303 for the exhaust duct; 14 is the fan cover.

[0042] Exemplarily, the top surface of the well A is fixedly connected to the well B ( Figure 1 ), shaft B( Figure 3 ) is fixedly connected to the interior of the fan frame 4, the inner bottom wall of the fan frame 4 is fixedly connected to the fan assembly 5, and the top surface of the fan frame 4 is fixedly connected to the ventilation assembly 13.

[0043] Exemplarily, the fan assembly 5 includes a servo motor fixedly connected to the top surface of the fan frame 4, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to the fan, and the fan assembly 5 is arranged to play the role of air intake and exhaust.

[0044] Specifically, through the arrangement of the ventilation assembly 13 and the fan assembly 5, when exhaust is required, the controller 15 ( Figure 1 ) controls the electromagnetic valve 1302, opens the exhaust pipe 1303, starts the servo motor, supplies power to the fan, performs reverse operation, and exhausts the gas in the building through the exhaust pipe 1303. When air intake is required, closes the electromagnetic valve 1302, and the fan performs forward operation, exhausting the gas through the well C( Figure 1 ) is inhaled, thereby improving the air in the building and avoiding air stagnation that affects the safety of people in the building. A fan cover 14 is fixedly connected to the top surface of the ventilation component 13, and a controller 15 ( Figure 1 ).

[0045] Figure 4 is a schematic diagram of the structure of the shaft C, as shown in Figure 4 As shown, Figure 4 The structural names corresponding to the middle numbers are as follows: 7 is a louver frame; 8 is a guide rod; 9 is an electric push rod assembly, including 901 an electric push rod and 902 a push-pull piece; 10 is a louver assembly, including 1001 a sliding piece, 1002 a movable piece, and 1003 a louver blade.

[0046] Exemplarily, the electric push rod assembly 9 includes an electric push rod 901 threadedly connected to the surface of the guide rod 8 by a bolt, and the output end of the electric push rod 901 is threadedly connected to a push-pull piece 902 by a limiting column. Through the setting of the electric push rod assembly 9, the telescopic louver 1003 is pushed and pulled.

[0047] Specifically, the louver assembly 10 includes a sliding sheet 1001 slidably connected to the inside of the guide rod 8, a plurality of first through holes are opened on the surface of the sliding sheet 1001, a plurality of movable sheets 1002 are connected to the first through holes through threads, a plurality of tightening holes are opened on the surfaces of the movable sheets 1002, the tightening holes are rotatably connected to the guide rod 8 through tightening columns, a plurality of louver blades 1003 are fixedly connected to the surfaces of the movable sheets 1002, a screw hole is opened on the surface of the sliding sheet 1001, the screw hole is connected to the push-pull sheet 902 through a screw thread, and the setting of the louver assembly 10 plays an opening and closing role.

[0048] Exemplarily, a baffle 11 (such as Figure 1 As described above, a second through hole is opened on the surface of the baffle 11, and the material of the baffle 11 is glass. The glass baffle 11 plays a role of light transmission.

[0049] Exemplarily, the ventilation component 13 includes a ventilation duct 1301 fixedly connected to the top surface of the fan frame 4, one side of the ventilation duct 1301 is connected to a solenoid valve 1302, one end of the solenoid valve 1302 is connected to an exhaust pipe 1303, one side of the solenoid valve 1302 is electrically connected to the controller 15 through a power line, the exhaust pipe 1303 is adapted to the second through hole, and the setting of the ventilation component 13 plays a role in ventilation and exhaust.

[0050] In summary, based on the current vertical ventilation shafts of buildings, dust or foreign objects such as leaves will enter, which will lead to low air quality and is not conducive to safety. The setting of the filter and air detection sensor is adopted. When the air quality is lower than the set limit, the solenoid valve and fan will be automatically opened for filtering. Through the action of the fan and the filter, the air quality meets the standard and foreign objects or harmful gases are prevented from entering the room. In the current vertical ventilation shafts of buildings, ventilation and exhaust are integrated, and the air intake cannot be controlled separately. The setting of the solenoid valve and the channel separation is adopted. When exhaust or intake is required, the solenoid valve and the fan can be opened for exhaust and intake, thereby achieving the effect of improving the air in the building, avoiding air stagnation and mutual contamination, and affecting the safety of people in the building. The shutters of the existing vertical ventilation shafts of buildings are always open and there is no closing setting. The shutter frame is added with a slide rail, and the shutter blades are rotated to enable the shutter blades to be opened and closed. Because they need to be closed manually, an electric push rod is adopted. The push-pull piece of the electric push rod is connected to the shutter blade. When the power is turned on, it can be opened and closed automatically, reducing manpower.

[0051] According to the building safety ventilation shaft of this embodiment, the exhaust and air inlet channels are separated to improve the air in the building, avoid air stagnation and mutual contamination, and affect the safety of people in the building. Filters and air detection sensors are used to automatically improve the air quality, avoid people in the building breathing unclean air, and damage their health. Electric control of the shaft air inlet shutters is used to prevent rainwater from entering the room through the ventilation shaft.

[0052] 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 at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A building safety ventilation shaft, characterized in that: It includes a first well, a second well and a third well, wherein: The first well has a built-in filter assembly and an air detection sensor for air detection and air filtration; The bottom of the second well is fixedly connected to the top of the first well, and the second well has a built-in fan assembly and a ventilation assembly for controlling exhaust and intake of air; The bottom of the third well is fixedly connected to the top of the second well, and the third well has a built-in shutter assembly for controlling the opening and closing of the channel.

2. The building safety ventilation shaft according to claim 1, characterized in that: A groove is provided inside the first well, and the inside of the groove is slidably connected to a filter assembly, and the air detection sensor is installed inside the first well.

3. The building safety ventilation shaft according to claim 1, characterized in that: The interior of the second shaft is fixedly connected to a fan frame, the inner bottom wall of the fan frame is fixedly connected to a fan assembly, the top surface of the fan frame is fixedly connected to a ventilation assembly, the top surface of the ventilation assembly is fixedly connected to a fan cover, and a controller is installed on one side of the second shaft; wherein the fan assembly includes a fan and a servo motor, and the ventilation assembly includes a ventilation duct, a solenoid valve and an exhaust duct.

4. The building safety ventilation shaft according to claim 1, characterized in that: The surface of the third shaft is clamped with several louver frames, both sides of the louver frames are clamped with guide rods, the surface of one side of the guide rod is threadedly connected to the electric push rod assembly through bolts, and the inside of the guide rod is slidably connected to the louver assembly; wherein, the louver assembly includes sliding plates, movable plates and louver blades; the electric push rod assembly includes an electric push rod and push-pull plates.

5. The building safety ventilation shaft according to claim 1, characterized in that: The filter screen assembly comprises a filter screen and a handle; the filter screen is slidably connected to the inside of the groove, and one side of the filter screen is fixedly connected to the handle.

6. The building safety ventilation shaft according to claim 4, characterized in that: The output end of the electric push rod is threadably connected to the push-pull sheet via a limiting column.

7. The building safety ventilation shaft according to claim 4, characterized in that: A plurality of first through holes are provided on the surface of the sliding sheet, and the first through holes are connected to a plurality of the movable sheets through threads, and tightening holes are provided on the surfaces of a plurality of the movable sheets, and the tightening holes are rotatably connected to the guide rail through tightening columns, and a plurality of the louver blades are fixedly connected to the surfaces of the plurality of movable sheets, and screw holes are provided on the surface of the sliding sheet, and the screw holes are connected to the push-pull sheet through screw threads.

8. The building safety ventilation shaft according to claim 3, characterized in that: The servo motor is fixedly connected to the top surface of the fan frame, the output end of the servo motor is spline-connected to the transmission rod, and one end of the transmission rod is fixedly connected to the fan.

9. The building safety ventilation shaft according to claim 3, characterized in that: The top surface of the third well is fixedly connected to a baffle, a second through hole is provided on the surface of the baffle, and the material of the baffle is glass.

10. The building safety ventilation shaft according to claim 9, characterized in that: The ventilation duct is fixedly connected to the top surface of the fan frame, one side of the ventilation duct is connected to the solenoid valve, one end of the solenoid valve is connected to the exhaust duct, one side of the solenoid valve is electrically connected to the controller through a power line, and the exhaust duct is adapted to the second through hole.

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