Automatic smoke exhaust device for building electrical fire protection engineering

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By designing multi-layer smoke exhaust devices and filter devices, the problem of insufficient use of existing fire smoke exhaust equipment in smoke-free situations is solved, the smoke emissions in accidents and the air transport and filtration functions in normal times are realized, and the practicality of the equipment is improved Sex and safety.

CN119268043APending Publication Date: 2025-01-07周长波

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Patent Information

Application Number: CN202411540631.2
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2024-10-31
Publication Date: 2025-01-07

AI Technical Summary

Technical Problem

Existing fire-fighting smoke exhaust equipment is less used without smoke and lacks other functions, resulting in less practicality.

Method used

An automatic smoke exhaust device is designed, including a multi-layer smoke exhaust device and a filter device, which can discharge smoke in the event of an accident, and provides fresh air delivery and air filtration functions in normal times, improving the safety and reliability of living environment and equipment. .

Benefits of technology

Effectively discharge smoke in the event of an accident, improve air purity in normal times, enhance the practicality and safety of the equipment, and is suitable for smoke exhaust needs in multiple rooms.

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Abstract

The invention discloses an automatic smoke exhaust device for building electrical fire protection engineering, which comprises a device body, the device body comprises a first smoke exhaust device, a second smoke exhaust device, a third smoke exhaust device, a top smoke exhaust device and a filter device, the second smoke exhaust device is installed on the top of the first smoke exhaust device, and the third smoke exhaust device is installed on the top of the top smoke exhaust device. The third smoke exhaust device is installed on the top of the second smoke exhaust device, the top smoke exhaust device is installed on the top of the third smoke exhaust device, the filtering device is installed in the top smoke exhaust device, the top smoke exhaust device is of an L-shaped structure, and an air inlet fan is arranged at the outer end of the interior of the top smoke exhaust device. The device can exhaust smoke indoors when an accident occurs, so that the safety and reliability of the device are improved, the practicability is high, fresh air can be conveyed indoors when no accident occurs, and the living environment of a user is improved.

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Description

Technical Field

[0001] The invention relates to the technical field of fire smoke exhaust equipment, in particular to an automatic smoke exhaust device used in building electrical fire protection engineering. Background Art

[0002] In fire protection projects, it is necessary to install automatic smoke exhaust devices in buildings to ensure that when an emergency such as a fire occurs, the thick smoke is discharged to the outside, thereby increasing the chances for people inside the building to escape and reducing the risk of road closures or poisoning due to thick smoke.

[0003] Existing fire smoke exhaust equipment has the following defects:

[0004] Existing fire smoke exhaust equipment is only activated when smoke appears, which leads to less use of the equipment in normal times. The fire smoke exhaust equipment has no other functions, which further leads to the problem of less practicality of the fire smoke exhaust equipment after installation. Therefore, a solution is needed. Summary of the invention

[0005] The object of the present invention is to provide an automatic smoke exhaust device for building electrical fire protection engineering to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] An automatic smoke exhaust device for building electrical fire protection engineering comprises a device body, wherein the device body comprises a first smoke exhaust device, a second smoke exhaust device, a third smoke exhaust device, a top smoke exhaust device and a filtering device, wherein the second smoke exhaust device is installed on the top of the first smoke exhaust device, the third smoke exhaust device is installed on the top of the second smoke exhaust device, the top smoke exhaust device is installed on the top of the third smoke exhaust device, the filtering device is installed inside the top smoke exhaust device, the top smoke exhaust device is in an L-shaped structure, and an air intake fan is provided at the outer end inside the top smoke exhaust device.

[0008] As a preferred embodiment of the present invention, the first smoke exhaust device, the second smoke exhaust device and the third smoke exhaust device all include an input pipe, a first small pipe and a second small pipe, and the input pipe, the first small pipe and the second small pipe are all smoothly transitioned and integrally welded structures. The input pipe is a rectangular structure, the first small pipe is located on the left side of the input pipe, and the second small pipe is located on the right side of the input pipe, and the first small pipe and the second small pipe are both fixed in an inclined manner.

[0009] As a preferred embodiment of the present invention, the outer ends of the first small duct and the second small duct are both provided with exhaust hoods, the exhaust hoods are of rectangular structure, an output frame is provided inside the exhaust hood, and a group of symmetrically distributed output fans are provided inside the output frame.

[0010] As a preferred embodiment of the present invention, the top outer side and the bottom outer side of the input pipe are both provided with connecting outer rings, and the surface of the connecting outer rings is provided with a plurality of groups of fixing holes distributed in an annular manner with equal distances.

[0011] As a preferred embodiment of the present invention, a main body fan is installed at the bottom end of the input pipe.

[0012] As a preferred embodiment of the present invention, the filtering device includes a motor frame, an adjusting motor, a mounting frame, a filter and a rotating shaft. The motor frame is fixed to the outside of the top smoke exhaust device, the adjusting motor is mounted on the top of the motor frame, the rotating shaft is inserted into the mounting frame, the mounting frame is mounted inside the top smoke exhaust device through the rotating shaft, one end of the rotating shaft is connected to the adjusting motor, a protective cover is installed on the top of the motor frame, the protective cover is located on the outside of the adjusting motor, and the filter is mounted on the mounting frame.

[0013] As a preferred embodiment of the present invention, the filter includes a filter element frame and a non-woven filter plate. The filter element frame is in a square structure. The non-woven filter plate is installed in the filter element frame. Mounting holes are provided at the four corners of the filter element frame. The non-woven filter plate is in a folded line structure.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The automatic smoke exhaust device for building electrical fire protection engineering of the present invention can exhaust smoke indoors when an accident occurs, and can deliver fresh air indoors when there is no accident, thereby improving the living environment of users. The automatic smoke exhaust device for building electrical fire protection engineering is equipped with a filtering device, which can filter the air discharged into the room, thereby improving the purity of the air. The automatic smoke exhaust device for building electrical fire protection engineering has high practicality and can exhaust smoke from multiple rooms, thereby improving the safety and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a schematic diagram of the overall internal structure of the present invention;

[0018] Figure 3 It is a schematic structural diagram of a second smoke exhaust device of the present invention;

[0019] Figure 4 It is a schematic diagram of the structure of the filtering device of the present invention;

[0020] Figure 5 It is a schematic diagram of the filter structure of the present invention.

[0021] In the figure: 1. device body; 2. first smoke exhaust device; 3. second smoke exhaust device; 4. third smoke exhaust device; 5. top smoke exhaust device; 6. filter device; 7. input pipe; 8. first small pipe; 9. second small pipe; 10. exhaust cover; 11. output frame; 12. output fan; 13. connecting outer ring; 14. fixing hole; 15. main fan; 16. motor frame; 17. adjusting motor; 18. mounting frame; 19. filter; 20. rotating shaft; 21. protective cover; 22. filter element frame; 23. non-woven filter plate; 24. mounting hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-5 , the present invention provides a technical solution:

[0024] An automatic smoke exhaust device for building electrical fire protection engineering includes a device body 1, wherein the device body 1 includes a first smoke exhaust device 2, a second smoke exhaust device 3, a third smoke exhaust device 4, a top smoke exhaust device 5 and a filtering device 6, wherein the second smoke exhaust device 3 is installed on the top of the first smoke exhaust device 2, the third smoke exhaust device 4 is installed on the top of the second smoke exhaust device 3, the top smoke exhaust device 5 is installed on the top of the third smoke exhaust device 4, the filtering device 6 is installed inside the top smoke exhaust device 5, the top smoke exhaust device 5 is an L-shaped structure, and an air intake fan 25 is provided at the outer end inside the top smoke exhaust device 5.

[0025] As a preferred embodiment of the present invention, the first smoke exhaust device 2, the second smoke exhaust device 3 and the third smoke exhaust device 4 all include an input pipe 7, a first small pipe 8 and a second small pipe 9. The input pipe 7, the first small pipe 8 and the second small pipe 9 are all smooth transition and integrally welded structures. The input pipe 7 is a rectangular structure. The first small pipe 8 is located on the left side of the input pipe 7, and the second small pipe 9 is located on the right side of the input pipe 7. The first small pipe 8 and the second small pipe 9 are both fixed in an inclined manner. When an accident occurs, smoke is discharged through the first small pipe 8 and the second small pipe 9. When there is no accident, air is discharged into the first small pipe 8 and the second small pipe 9 respectively through the input pipe 7, and then the air is discharged into different rooms respectively through the first small pipe 8 and the second small pipe 9.

[0026] As a preferred embodiment of the present invention, an exhaust hood 10 is provided at the outer ends of the first small pipe 8 and the second small pipe 9. The exhaust hood 10 is in a rectangular structure. An output frame 11 is provided inside the exhaust hood 10. A group of output fans 12 distributed in a symmetrical manner are provided inside the output frame 11. When the smoke is discharged, a group of output fans 12 in the output frame 11 are started, and then the output fans 12 output the indoor smoke into the exhaust hood 10, and then the smoke in the exhaust hood 10 can be transported to the input pipe 7 through the first small pipe 8 or the second small pipe 9.

[0027] As a preferred embodiment of the present invention, the top outer side and the bottom outer side of the input pipe 7 are both provided with connecting outer rings 13, and the surface of the connecting outer rings 13 is provided with a plurality of groups of fixing holes 14 distributed in a ring-shaped and equidistant manner. The connecting outer rings 13 on the top outer side and the bottom outer side of the input pipe 7 are for facilitating the connection between the first smoke exhaust device 2, the second smoke exhaust device 3, the third smoke exhaust device 4 and the top smoke exhaust device 5.

[0028] As a preferred embodiment of the present invention, a main fan 15 is installed at the bottom end of the input pipe 7. When the smoke in the first smoke exhaust device 2, the second smoke exhaust device 3, the third smoke exhaust device 4 and the top smoke exhaust device 5 is discharged, the main fan 15 in the input pipe 7 is started, and then the smoke in the first smoke exhaust device 2, the second smoke exhaust device 3, the third smoke exhaust device 4 and the top smoke exhaust device 5 can be quickly transported out.

[0029] As a preferred embodiment of the present invention, the filtering device 6 includes a motor frame 16, an adjusting motor 17, a mounting frame 18, a filter 19 and a rotating shaft 20. The motor frame 16 is fixed to the outside of the top smoke exhaust device 5, the adjusting motor 17 is mounted on the top of the motor frame 16, the rotating shaft 20 is inserted into the mounting frame 18, the mounting frame 18 is mounted inside the top smoke exhaust device 5 through the rotating shaft 20, one end of the rotating shaft 20 is connected to the adjusting motor 17, a protective cover 21 is installed on the top of the motor frame 16, the protective cover 21 is located on the outside of the adjusting motor 17, and the filter 19 is installed on the mounting frame 18. When an accident occurs, the filter 19 in the filter device 6 is tilted, which will block the internal channel of the top smoke exhaust device 5. The internal channel of the top smoke exhaust device 5 needs to be opened to facilitate the smoke exhaust work. The staff starts the adjustment motor 17 in the filter device 6, and the driving shaft of the adjustment motor 17 drives the rotating shaft 20 to rotate, and the mounting frame 18 on the rotating shaft 20 and the filter 19 on the mounting frame 18 can be driven, and finally the mounting frame 18 and the filter 19 on the mounting frame 18 are rotated and adjusted to be horizontal, so that the smoke can be discharged conveniently.

[0030] As a preferred embodiment of the present invention, the filter 19 includes a filter element frame 22 and a non-woven filter plate 23. The filter element frame 22 has a square structure. The non-woven filter plate 23 is installed in the filter element frame 22. The filter element frame 22 has four corners with mounting holes 24. The non-woven filter plate 23 has a zigzag structure. During filtering, air will pass through the non-woven filter plate 23 in the filter 19, and the non-woven filter plate 23 can filter impurities in the air and then discharge them into the top smoke exhaust device 5. When installing the filter 19, the staff puts the filter element frame 22 into the mounting frame 18, and then uses screws to insert into the mounting holes 24 on the filter element frame 22, and further installs the filter 19 on the mounting frame 18.

[0031] Working principle: in daily use, the air intake fan 25 in the top smoke exhaust device 5 draws in external air, and then the air will contact the filter device 6, and the air will pass through the non-woven filter plate 23 in the filter 19, and the non-woven filter plate 23 can filter impurities in the air, and then be discharged into the rear end of the top smoke exhaust device 5. The top smoke exhaust device 5 transports the air to the first smoke exhaust device 2, the second smoke exhaust device 3 and the third smoke exhaust device 4 respectively, and the air is discharged into the first small pipe 8 and the second small pipe 9 respectively through the input pipe 7, and then the air is discharged into different rooms through the first small pipe 8 and the second small pipe 9 respectively. In the event of an accident, the filter 19 in the filter device 6 is tilted, which will block the internal channel of the top smoke exhaust device 5. The internal channel of the top smoke exhaust device 5 needs to be opened to facilitate the smoke exhaust work. The personnel starts the adjustment motor 17 in the filter device 6, and the driving shaft of the adjustment motor 17 drives the rotating shaft 20 to rotate, and the mounting frame 18 on the rotating shaft 20 and the filter 19 on the mounting frame 18 can be driven, and finally the mounting frame 18 and the filter 19 on the mounting frame 18 are rotated and adjusted to be horizontal, so that the smoke can be discharged conveniently. When the smoke is discharged, a group of output fans 12 in the output frame 11 are started, and then the output fan 12 outputs the indoor smoke to the exhaust hood 10, and then the smoke in the exhaust hood 10 can be transported to the input pipe 7 through the first small pipe 8 or the second small pipe 9, and the main fan 15 in the input pipe 7 is started, and then the smoke in the first smoke exhaust device 2, the second smoke exhaust device 3, and the third smoke exhaust device 4 can be quickly transported out through the top smoke exhaust device 5.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic smoke exhaust device for building electrical fire protection engineering, characterized in that: The invention comprises a device body (1), wherein the device body (1) comprises a first smoke exhaust device (2), a second smoke exhaust device (3), a third smoke exhaust device (4), a top smoke exhaust device (5) and a filter device (6), wherein the second smoke exhaust device (3) is installed on the top of the first smoke exhaust device (2), the third smoke exhaust device (4) is installed on the top of the second smoke exhaust device (3), the top smoke exhaust device (5) is installed on the top of the third smoke exhaust device (4), and the filter device (6) is installed inside the top smoke exhaust device (5); the top smoke exhaust device (5) is in an L-shaped structure, and an air intake fan (25) is provided at the outer end of the top smoke exhaust device (5).

2. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 1 is characterized by: The first smoke exhaust device (2), the second smoke exhaust device (3) and the third smoke exhaust device (4) all comprise an input pipe (7), a first small pipe (8) and a second small pipe (9); the input pipe (7), the first small pipe (8) and the second small pipe (9) are all smoothly transitioned and integrally welded structures; the input pipe (7) is a rectangular structure; the first small pipe (8) is located on the left side of the input pipe (7); the second small pipe (9) is located on the right side of the input pipe (7); and the first small pipe (8) and the second small pipe (9) are both fixed in an inclined manner.

3. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 2 is characterized by: The outer ends of the first small duct (8) and the second small duct (9) are both provided with a discharge cover (10), the discharge cover (10) being a rectangular structure, an output frame (11) being provided inside the discharge cover (10), and a group of output fans (12) being symmetrically distributed inside the output frame (11).

4. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 2 is characterized by: The top outer side and the bottom outer side of the input pipe (7) are both provided with connecting outer rings (13), and the surface of the connecting outer ring (13) is provided with a plurality of groups of fixing holes (14) distributed in an annular manner with equal spacing.

5. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 1 is characterized by: A main body fan (15) is installed at the bottom end of the input pipe (7).

6. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 1 is characterized by: The filtering device (6) comprises a motor frame (16), an adjusting motor (17), a mounting frame (18), a filter (19) and a rotating shaft (20); the motor frame (16) is fixed to the outside of the top smoke exhaust device (5); the adjusting motor (17) is mounted on the top of the motor frame (16); the rotating shaft (20) is inserted into the mounting frame (18); the mounting frame (18) is mounted inside the top smoke exhaust device (5) via the rotating shaft (20); one end of the rotating shaft (20) is connected to the adjusting motor (17); a protective cover (21) is mounted on the top of the motor frame (16); the protective cover (21) is located on the outside of the adjusting motor (17); and the filter (19) is mounted on the mounting frame (18).

7. The automatic smoke exhaust device for building electrical fire protection engineering according to claim 6 is characterized by: The filter (19) comprises a filter element frame (22) and a non-woven filter plate (23); the filter element frame (22) is in a square structure; the non-woven filter plate (23) is installed in the filter element frame (22); four corners of the filter element frame (22) are provided with mounting holes (24); and the non-woven filter plate (23) is in a folded line structure.