Building fire-fighting smoke exhaust system

Abstract

The utility model discloses a building fire protection smoke exhaust system, and belongs to the field of building fire protection, the building fire protection smoke exhaust system comprises a pipeline I and a plurality of smoke sensors, one end of the pipeline I is fixedly connected with a pipeline II, the inner wall of the pipeline II is fixedly communicated with an exhaust pipe, and one end, far away from the pipeline II, of the pipeline I is fixedly connected with a smoke suction pipe; a smoke suction fan and a filter screen are mounted on the inner wall of the smoke suction pipe, a rotating rod is rotationally connected to the inner wall of the smoke suction pipe, a positioning plate is fixedly connected to one end of the outer side of the rotating rod, one end of a spring is fixedly connected to the inner wall of the positioning plate, and a pressing disc is fixedly connected to the other end of the spring; by arranging the smoke sensor, the smoke suction fan and the motor, the smoke exhaust speed and efficiency are remarkably improved, the smoke accumulation time is shortened, the life safety of trapped persons is protected, unattended automatic operation in the whole process is achieved, the possibility of human intervention is reduced, and the reliability and stability of the system are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building fire protection, and particularly relates to a building fire smoke exhaust system. BACKGROUND

[0002] At present, with the acceleration of urbanization, high-rise buildings, large commercial complexes and the like are increasing, and once a fire occurs in these places, smoke spreads rapidly, seriously affecting the safety evacuation of personnel and the efficiency of fire fighting and rescue.

[0003] Traditional smoke exhaust methods mainly rely on natural ventilation or simple manual operation to open the smoke exhaust port, and the reaction speed is slow, and the smoke exhaust cannot be accurately controlled, so it is difficult to meet the needs of modern fire safety, and therefore the building fire smoke exhaust system is provided to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the building fire smoke exhaust system is provided to overcome the deficiencies of the prior art and solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted: a building fire smoke exhaust system, comprising a pipeline one and a plurality of smoke sensors, one end of the pipeline one is fixedly connected with a pipeline two, the inner wall of the pipeline two is fixedly communicated with an exhaust pipe, the end of the pipeline one away from the pipeline two is fixedly connected with a smoke suction pipe, the inner wall of the smoke suction pipe is installed with a smoke suction fan and a filter screen, the inner wall of the smoke suction pipe is rotatably connected with a rotating rod, the outer side of one end of the rotating rod is fixedly connected with a positioning plate, the inner wall of the positioning plate is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with a pressure plate, the side of the pressure plate close to the spring is fixedly connected with a pull rod, the outer edge of the pipeline two is fixedly communicated with a pipeline three, the top of the pipeline three is fixedly installed with an outer shell, the top of the outer shell is fixedly installed with a motor, and the power output shaft of the motor is fixedly installed with a fan.

[0006] As a preferred embodiment, the end of the pull rod away from the pressure plate is fixedly installed with a pull ball, and the pull rod is slidingly connected to the inner wall of the positioning plate.

[0007] By adopting the above technical scheme, the pull ball can drive the pull rod to slide on the inner wall of the positioning plate, so as to drag the spring to be in a stressed state, and the position of the pressure plate can be adjusted.

[0008] As a preferred embodiment, the inner wall of the smoke suction pipe is fixedly installed with a circular ring, the side of the filter screen close to the smoke suction fan is in abutment with the circular ring, and the side of the pressure plate away from the spring is in abutment with the filter screen.

[0009] By adopting the technical scheme, the circular ring can be used to cooperate with the pressing plate to position the filter screen, so that the filter screen can be stably arranged in the inner cavity of the smoke suction pipe, and the filter screen can be stably positioned in the inner cavity of the smoke suction pipe to filter and intercept floating soot impurities in the smoke.

[0010] As a preferred embodiment, the fan is rotationally connected to the inner wall of the shell, and the shell is provided with an inlet on one side.

[0011] By adopting the technical scheme, the wind force can be absorbed into the inner cavity of the third pipeline through the fan, and then discharged to the outer environment through the exhaust pipe.

[0012] As a preferred embodiment, four connecting rods are symmetrically and fixedly installed on the outer side of the shell, and baffles are fixedly installed on the middle portions of the four connecting rods.

[0013] By adopting the technical scheme, the baffles can be used to intercept the openings on the outer side of the shell, so that large foreign matters cannot enter the inner wall of the shell through the openings.

[0014] As a preferred embodiment, electric valves are installed in the inner cavities of the second pipeline and the third pipeline.

[0015] By adopting the technical scheme, the inner cavities of the second pipeline and the third pipeline can be closed when not in use, so that they are in a sealed state.

[0016] As a preferred embodiment, the smoke sensors are uniformly distributed in each area of the building, and the smoke sensors, the smoke suction fan and the motor are electrically connected to the controller of the machine room.

[0017] By adopting the technical scheme, the system can be used to monitor whether smoke is generated in the environment. When smoke is detected, a signal is sent to the controller located in the central machine room. After processing, the controller will issue an instruction to open the electric valve of the corresponding area, and start the smoke suction fan and the motor. The whole process can be automatically completed without human intervention, or manually controlled through a remote terminal. In order to ensure the reliable operation of the system.

[0018] The beneficial effects of the present application are as follows:

[0019] 1. The building fire smoke exhaust system significantly improves the smoke exhaust speed and efficiency, shortens the smoke accumulation time, is beneficial to the safety of trapped personnel, realizes automatic operation without human intervention, reduces the possibility of human intervention, and improves the reliability and stability of the system.

[0020] 2. The building fire smoke exhaust system, the pull ball can drive the pull rod to slide in the inner wall of the positioning plate, thereby dragging the spring to be in a stressed state, thereby adjusting the position of the pressure plate, thereby rotating the rotating rod to drive the positioning plate and the pressure plate to separate from the inner wall of the smoke pipe, thereby facilitating the removal of the filter screen to the outside for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0022] Figure 2 It is a schematic diagram of the smoke pipe cross-sectional structure of the present application;

[0023] Figure 3 It is a schematic diagram of the positioning plate of the present application; Figure 2

[0024] Figure 4 It is a schematic diagram of the shell cross-sectional structure of the present application;

[0025] Figure 5 It is a schematic diagram of the baffle structure of the present application.

[0026] Reference signs in the figure: 1, pipe one; 2, pipe two; 3, exhaust pipe; 4, smoke pipe; 5, smoke fan; 6, filter screen; 7, rotating rod; 8, positioning plate; 9, spring; 10, pressure plate; 11, pull rod; 12, pull ball; 13, pipe three; 14, shell; 15, motor; 16, fan; 17, connecting rod; 18, baffle; 19, smoke sensor. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0028] Referring to Figures 1-5 A building fire smoke exhaust system, comprising a pipe one 1 and a plurality of smoke sensors 19, one end of the pipe one 1 is fixedly connected with a pipe two 2, the inner wall of the pipe two 2 is fixedly communicated with an exhaust pipe 3, the end of the pipe one 1 away from the pipe two 2 is fixedly connected with a smoke pipe 4, the inner wall of the smoke pipe 4 is installed with a smoke fan 5 and a filter screen 6, the inner wall of the smoke pipe 4 is rotatably connected with a rotating rod 7, the outer side of one end of the rotating rod 7 is fixedly connected with a positioning plate 8, the inner wall of the positioning plate 8 is fixedly connected with one end of a spring 9, the other end of the spring 9 is fixedly connected with a pressure plate 10, the side of the pressure plate 10 close to the spring 9 is fixedly connected with a pull rod 11, the outer edge of the pipe two 2 is fixedly communicated with a pipe three 13, the top of the pipe three 13 is fixedly installed with a shell 14, the top of the shell 14 is fixedly installed with a motor 15, the power output shaft of the motor 15 is fixedly installed with a fan 16.​

[0029] Referring to Figure 3 , the end of the pull rod 11 away from the pressure plate 10 is fixedly installed with a pull ball 12, the pull rod 11 is slidingly connected to the inner wall of the positioning plate 8, so that pulling the pull ball 12 can drive the pull rod 11 to slide in the inner wall of the positioning plate 8, thereby the spring 9 can be dragged to be in a stressed state, thereby the position of the pressure plate 10 can be adjusted.

[0030] Referring to Figure 2 , the inner wall of the smoke pipe 4 is fixedly installed with a ring, the side of the filter screen 6 close to the smoke fan 5 abuts against the ring, and the side of the pressure plate 10 away from the spring 9 is attached to the filter screen 6, so that the ring can be used to cooperate with the pressure plate 10 to realize positioning of the filter screen 6, so as to ensure that the filter screen 6 can be stably arranged in the inner cavity of the smoke pipe 4, thereby ensuring that the filter screen 6 can be stably positioned in the inner cavity of the smoke pipe 4, for filtering and intercepting floating soot impurities in smoke.

[0031] Referring to Figure 4 , the fan 16 is rotationally connected to the inner wall of the housing 14, and the housing 14 is provided with an inlet on one side, so that the wind power can be absorbed by the fan 16 and enter the inner cavity of the pipeline three 13, and then be discharged to the outside through the exhaust pipe 3.

[0032] Referring to Figure 5 , four connecting rods 17 are symmetrically fixedly installed on the outer side of the housing 14, and baffles 18 are fixedly installed on the middle portions of the four connecting rods 17, so that the baffles 18 can be used to intercept the openings on the outer side of the housing 14, to prevent large foreign matters from entering the inner wall of the housing 14 through the openings.

[0033] Referring to Figure 1 and Figure 2 , the inner cavities of the pipeline two 2 and the pipeline three 13 are both provided with electric valves, so that the inner cavities of the pipeline two 2 and the pipeline three 13 can be closed when not in use, thereby ensuring that they are in a sealed state.

[0034] Referring to Figure 1 , the smoke sensors 19 are evenly distributed in each area of the building, and the smoke sensors 19, the smoke fan 5 and the motor 15 are electrically connected with the controller of the machine room, so that they can be used to monitor whether smoke is generated in the environment, when smoke is detected, a signal will be sent to the controller located in the central machine room, after processing, the controller will issue an instruction to open the electric valve of the corresponding area, and start the smoke fan 5 and the motor 15, the whole process can be automatically completed without human intervention, or can be manually controlled through a remote terminal, in order to ensure the reliable operation of the system.

[0035] Working principle: first can utilize smoke sensor 19 monitor whether the smoke is produced in the environment, when detecting the smoke, the signal will be sent to the controller located in the central machine room, after processing, the controller will issue instructions to open the electric valve of the corresponding area, and start the smoke fan 5 and motor 15, the whole process can be completed automatically without intervention, also can be controlled manually through remote terminal, in order to ensure the reliable operation of the system, at the same time, the filter screen 6 can be used to filter and intercept the impurities in the smoke, at the same time, the pull ball 12 can drive the pull rod 11 to slide on the inner wall of the positioning plate 8, so as to drag the spring 9 to be in the stressed state, so as to adjust the position of the pressure plate 10, so as to rotate the rotating rod 7 to drive the positioning plate 8 and the pressure plate 10 to separate from the inner wall of the smoke pipe 4, so as to facilitate the filter screen 6 to be taken out to the outside for cleaning.

[0036] In the description of the utility model, it is necessary to explain that, the direction or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is the direction or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular direction, be constructed and operated in a particular direction, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0037] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0038] The utility model has been described above in combination with specific embodiments, but those skilled in the art should know that these descriptions are exemplary, and are not a limitation on the protection scope of the utility model. Those skilled in the art can make various modifications and changes to the utility model according to the spirit and principle of the utility model, and these modifications and changes are also within the scope of the utility model.

Claims

1. A building fire smoke exhaust system comprising a duct (1) and a plurality of smoke sensors (19), characterized in that, One end of the pipeline (1) is fixedly connected with pipeline two (2), the inner wall of the pipeline two (2) is fixedly connected with exhaust pipe (3), the end of the pipeline one (1) away from the pipeline two (2) is fixedly connected with smoking pipe (4), the inner wall of the smoking pipe (4) is installed with smoking fan (5) and filter screen (6), the inner wall of the smoking pipe (4) is rotatably connected with rotating rod (7), one end of the outer side of the rotating rod (7) is fixedly connected with positioning plate (8), one end of the inner wall of the positioning plate (8) is fixedly connected with spring (9), the other end of the spring (9) is fixedly connected with pressure plate (10), the side of the pressure plate (10) close to the spring (9) is fixedly connected with pull rod (11), the outer edge of the pipeline two (2) is fixedly connected with pipeline three (13), the top of the pipeline three (13) is fixedly installed with shell (14), the top of the shell (14) is fixedly installed with motor (15), the power output shaft of the motor (15) is fixedly installed with fan (16).

2. A building fire smoke evacuation system according to claim 1, wherein, The end of the pull rod (11) away from the pressure plate (10) is fixedly installed with pull ball (12), the pull rod (11) is slidably connected to the inner wall of the positioning plate (8).

3. A building fire smoke evacuation system according to claim 1, wherein, The inner wall of the smoking pipe (4) is fixedly installed with a circular ring, the side of the filter screen (6) close to the smoking fan (5) is in abutment with the circular ring, the side of the pressure plate (10) away from the spring (9) is in contact with the filter screen (6).

4. A building fire smoke exhaust system according to claim 1, wherein, The fan (16) is rotatably connected to the inner wall of the shell (14), one side of the shell (14) is provided with an inlet.

5. A building fire smoke exhaust system according to claim 1, wherein, The outer side of the shell (14) is fixedly installed with four connecting rods (17) symmetrically, and the middle part of the four connecting rods (17) is fixedly installed with a baffle (18).

6. A building fire smoke exhaust system according to claim 1, wherein, The inner cavities of the pipeline two (2) and the pipeline three (13) are both installed with electric valves.

7. A building fire smoke exhaust system according to claim 1, wherein, The plurality of smoke sensors (19) are evenly distributed in each area of the building, the smoke sensor (19), the smoking fan (5) and the motor (15) are electrically connected with the controller of the machine room.

Images