A self-smoke exhaust device used in fire disasters

By designing components such as fans, smoke sensors and solenoid valves in smoke exhaust equipment, cooling and dust reduction through water flow during fire is achieved, and equipment failures in the existing technology are solved, ensuring that the equipment can work normally during fire.

CN222747419UActive Publication Date: 2025-04-11SHANGHAI WEIMENG IOT TECH CO LTD
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Patent Information

Application Number
CN202421431966.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-11
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

Existing smoke exhaust equipment is prone to damage internal components due to high temperatures when a fire occurs, resulting in equipment failure and inability to work.

Method used

A self-exhausting device is designed, including a smoke exhaust mechanism and a dust reduction mechanism. The smoke exhaust mechanism includes a fan, a smoke sensor and a solenoid valve. When a fire is detected, the fan starts to pump the smoke exhaust. The solenoid valve opens the water flow into the smoke exhaust pipe and sprays the water flow through the nozzle to improve the heat resistance of the smoke exhaust pipe and reduces the temperature and dust.

Benefits of technology

It effectively solves the equipment failure problem caused by high temperature, ensures that the smoke exhaust equipment can work normally during fire, and avoids equipment failure caused by damage to internal components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a self-exhaust smoke device applied to fire disasters, and relates to the technical field of smoke exhaust devices. In view of the problem that the internal components are easily damaged due to high temperature in the prior art, resulting in the smoke exhaust device being unable to work due to a malfunction, the following scheme is proposed, including a smoke exhaust mechanism and a dust reduction mechanism, wherein the smoke exhaust mechanism includes a mounting frame, a fixing plate fixed to the top of the mounting frame, and a connecting plate fixed to the outer wall of one side of the fixing plate. When the smoke sensor of the utility model detects a fire, the fan and the solenoid valve are both started, and the fan sucks and discharges the indoor smoke through the smoke exhaust pipe, and the water flows into the cavity of the smoke exhaust pipe through the water inlet pipe and is sprayed out through multiple nozzles at the bottom of the smoke exhaust pipe. The water flows continuously in the cavity of the smoke exhaust pipe, thereby improving the heat resistance of the smoke exhaust pipe, and can also cool down the high-temperature smoke in the smoke exhaust pipe. The water sprayed through the nozzle can also reduce dust on the smoke below.
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Description

Technical Field

[0001] The utility model relates to the technical field of smoke exhaust equipment, in particular to a self-smoke exhaust equipment applied to fire disasters. Background Art

[0002] With the development of social economy, the requirements for fire safety and fire automation are getting higher and higher. Especially in today's cities with high population density, the consequences of fire are very serious. At present, in buildings, automatic smoke exhaust equipment is installed to achieve the effect of automatic smoke exhaust when a fire occurs.

[0003] When the existing smoke exhaust equipment is used in a fire, the internal components are easily damaged due to high temperature, causing the smoke exhaust equipment to fail to work due to malfunction. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a self-smoke exhaust device for use in fire disasters, which overcomes the deficiencies of the prior art and effectively solves the problem in the prior art that internal components are easily damaged due to high temperature, causing the smoke exhaust device to fail to work due to malfunction.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A self-smoke exhaust device used in fire disasters, including a smoke exhaust mechanism and a dust reduction mechanism, the smoke exhaust mechanism including a mounting frame, a fan installed in the mounting frame, a fixing plate fixed to the top of the mounting frame, a connecting plate fixed to the outer wall of one side of the fixing plate, a plug plate plugged with the connecting plate, a smoke sensor installed at one end of the bottom of the connecting plate, connecting rods plugged at both ends of the top of the plug plate and a supporting plate connected to the bottom of the connecting rod, the dust reduction mechanism including a smoke exhaust pipe, a water inlet pipe plugged and fixed to the top of the outer wall of the smoke exhaust pipe, a solenoid valve installed on the water inlet pipe, and nozzles distributed at equal distances along a ring at the bottom of the smoke exhaust pipe.

[0007] When the smoke sensor detects a fire, the fan and the solenoid valve are started. The fan sucks and discharges the indoor smoke through the smoke exhaust pipe. Water flows into the cavity of the smoke exhaust pipe through the water inlet pipe and is sprayed out through multiple nozzles at the bottom of the smoke exhaust pipe. The water flows continuously in the cavity of the smoke exhaust pipe, thereby improving the heat resistance of the smoke exhaust pipe and cooling the high-temperature smoke in the smoke exhaust pipe. The water sprayed through the nozzle can also reduce the dust in the smoke below.

[0008] Preferably, mounting holes are provided at both ends of an outer wall of one side of the fixing plate, and the fixing plate is fixed to the wall by screws inserted into the mounting holes.

[0009] The fixing plate is fixed to the wall by screws to improve the stability of the installation of the smoke exhaust mechanism.

[0010] Preferably, a through hole is provided at one end of the top of the connecting plate close to the fixed plate, and the through hole is plugged into the water inlet pipe. An installation groove is provided on the outer wall of one side of the connecting plate, and a controller is embedded in the installation groove. The fan, smoke sensor and solenoid valve are all electrically connected to the controller.

[0011] The top end of the water inlet pipe penetrates the top of the connecting plate and is plugged into the water pipe at the top of the room.

[0012] Preferably, the outer walls on both sides of the connecting plate near one end of the smoke sensor are provided with sockets adapted to the plug board, and the top inner wall of the socket and the top of the plug board are both provided with holes, and positioning rods are inserted into the holes.

[0013] The plugging plate is inserted into the socket to plug into the connecting plate, and the plugging plate and the connecting plate are fastened by the positioning rod.

[0014] Preferably, a screw is fixed to the bottom end of the connecting rod, and screw holes matching the screw are provided at both ends of the top of the supporting plate.

[0015] The connecting rod is rotated to screw the screw rod into the screw hole of the supporting plate, so that the connecting rod is connected and fixed to the supporting plate.

[0016] Preferably, a cavity is provided between the outer wall and the inner wall of the smoke exhaust pipe, and the cavity is interconnected with the water inlet pipe and the nozzle, and one end of the smoke exhaust pipe is plugged into the installation frame.

[0017] When a fire occurs, the solenoid valve opens and water flows into the cavity of the smoke exhaust pipe to improve the heat resistance of the smoke exhaust pipe and cool down the high-temperature smoke in the smoke exhaust pipe. The water in the cavity is sprayed out through the nozzle to reduce dust from the smoke below.

[0018] The beneficial effects of the utility model are:

[0019] When the smoke sensor detects a fire, the fan and the solenoid valve are started. The fan sucks and discharges the indoor smoke through the smoke exhaust pipe. Water flows into the cavity of the smoke exhaust pipe through the water inlet pipe and is sprayed out through multiple nozzles at the bottom of the smoke exhaust pipe. The water flows continuously in the cavity of the smoke exhaust pipe, thereby improving the heat resistance of the smoke exhaust pipe and cooling the high-temperature smoke in the smoke exhaust pipe. The water sprayed through the nozzle can also reduce dust in the smoke below, effectively solving the problem in the prior art that internal components are easily damaged by high temperature, causing the smoke exhaust equipment to fail to work due to malfunction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a self-smoke exhaust device applied to fire disasters proposed by the utility model;

[0021] Figure 2This is a schematic diagram of the structure of a smoke exhaust mechanism of a self-exhaust smoke exhaust device applied to fire disasters proposed by the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the structure of a dust reduction mechanism of a self-smoke exhaust device applied to fire disasters.

[0023] In the figure: 1. Smoke exhaust mechanism; 2. Dust reduction mechanism; 3. Installation frame; 4. Fan; 5. Fixing plate; 6. Connecting plate; 7. Insert plate; 8. Positioning rod; 9. Smoke sensor; 10. Connecting rod; 11. Support plate; 12. Smoke exhaust pipe; 13. Water inlet pipe; 14. Solenoid valve; 15. Nozzle. DETAILED DESCRIPTION

[0024] 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 of the embodiments.

[0025] Example:

[0026] Reference Figure 1-3 A self-exhaust smoke device used in fire disasters, including a smoke exhaust mechanism 1 and a dust reduction mechanism 2, the smoke exhaust mechanism 1 includes a mounting frame 3, a fan 4 installed in the mounting frame 3, a fixing plate 5 fixed to the top of the mounting frame 3, a connecting plate 6 fixed to the outer wall of one side of the fixing plate 5, a plug plate 7 plugged with the connecting plate 6, a smoke sensor 9 installed at one end of the bottom of the connecting plate 6, a connecting rod 10 plugged at both ends of the top of the plug plate 7 and a supporting plate 11 connected to the bottom of the connecting rod 10, the dust reduction mechanism 2 includes a smoke exhaust pipe 12, a water inlet pipe 13 plugged and fixed to the top of the outer wall of the smoke exhaust pipe 12, a solenoid valve 14 installed on the water inlet pipe 13, and nozzles 15 distributed at equal distances along a ring at the bottom end of the smoke exhaust pipe 12;

[0027] Both ends of the outer wall of one side of the fixing plate 5 are provided with mounting holes, and the fixing plate 5 is fixed to the wall by screws inserted in the mounting holes. The fixing plate 5 is fixed to the wall by screws to improve the stability of the installation of the smoke exhaust mechanism 1. A through hole is provided at one end of the top of the connecting plate 6 close to the fixing plate 5, and the through hole is plugged with the water inlet pipe 13. A mounting groove is provided on the outer wall of one side of the connecting plate 6, and a controller is embedded in the mounting groove. The fan 4, the smoke sensor 9 and the solenoid valve 14 are all electrically connected to the controller. The top end of the water inlet pipe 13 passes through the top of the connecting plate 6 and is plugged with the water pipe at the top of the room.

[0028] The outer walls of both sides of the connecting plate 6 near the end of the smoke sensor 9 are provided with sockets adapted to the plug plate 7, and the top inner wall of the socket and the top of the plug plate 7 are provided with sockets, and the positioning rods 8 are inserted into the sockets. The plug plate 7 is plugged into the connecting plate 6 by inserting the plug plate 7 into the sockets, and the plug plate 7 and the connecting plate 6 are fastened by the positioning rods 8. A screw is fixed to the bottom end of the connecting rod 10, and screw holes adapted to the screw are provided at both ends of the top of the support plate 11. The connecting rod 10 is rotated to screw the screw into the screw hole of the support plate 11, so that the connecting rod 10 is connected and fixed to the support plate 11;

[0029] A cavity is provided between the outer wall and the inner wall of the smoke exhaust pipe 12, and the cavity is interconnected with the water inlet pipe 13 and the nozzle 15. One end of the smoke exhaust pipe 12 is plugged into the mounting frame 3. When a fire occurs, the solenoid valve 14 opens, and water flows into the cavity of the smoke exhaust pipe 12 to improve the heat resistance of the smoke exhaust pipe 12 and cool down the high-temperature smoke in the smoke exhaust pipe 12. The water in the cavity is sprayed out through the nozzle 15 to reduce dust on the smoke below.

[0030] Working principle:

[0031] During operation, when the smoke sensor 9 detects a fire, the fan 4 and the solenoid valve 14 are both started, and the fan 4 sucks and discharges the indoor smoke through the smoke exhaust pipe 12. Water flows into the cavity of the smoke exhaust pipe 12 through the water inlet pipe 13 and is sprayed out through multiple nozzles 15 at the bottom of the smoke exhaust pipe 12. The water flows continuously in the cavity of the smoke exhaust pipe 12, thereby improving the heat resistance of the smoke exhaust pipe 12 and cooling the high-temperature smoke in the smoke exhaust pipe 12. The water sprayed through the nozzle 15 can also reduce dust in the smoke below.

[0032] 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 within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A self-smoke exhaust device for use in fire disasters, comprising a smoke exhaust mechanism (1) and a dust reduction mechanism (2), characterized in that: The smoke exhaust mechanism (1) comprises a mounting frame (3), a fan (4) mounted in the mounting frame (3), a fixing plate (5) fixed to the top of the mounting frame (3), a connecting plate (6) fixed to the outer wall of one side of the fixing plate (5), a plug plate (7) plugged into the connecting plate (6), a smoke sensor (9) mounted at one end of the bottom of the connecting plate (6), a connecting rod (10) plugged into the two ends of the top of the plug plate (7), and a supporting plate (11) connected to the bottom end of the connecting rod (10); the dust reduction mechanism (2) comprises a smoke exhaust pipe (12), a water inlet pipe (13) plugged into and fixed to the top of the outer wall of the smoke exhaust pipe (12), a solenoid valve (14) mounted on the water inlet pipe (13), and nozzles (15) distributed at equal distances along a ring at the bottom end of the smoke exhaust pipe (12).

2. The self-smoke exhaust device used in fire disasters according to claim 1, characterized in that: Both ends of the outer wall of one side of the fixing plate (5) are provided with mounting holes, and the fixing plate (5) is fixed to the wall surface by screws inserted into the mounting holes.

3. The self-smoke exhaust device used in fire disasters according to claim 1 is characterized in that: A through hole is provided at one end of the top of the connecting plate (6) close to the fixing plate (5), and the through hole is plugged into the water inlet pipe (13). A mounting groove is provided on an outer wall of one side of the connecting plate (6), and a controller is embedded in the mounting groove. The fan (4), the smoke sensor (9) and the solenoid valve (14) are all electrically connected to the controller.

4. The self-smoke exhaust device used in fire disasters according to claim 1 is characterized in that: The outer walls of both sides of the connecting plate (6) close to one end of the smoke sensor (9) are provided with sockets matched with the plug plate (7), and the top inner wall of the socket and the top of the plug plate (7) are both provided with plug holes, and the positioning rods (8) are inserted into the plug holes.

5. The self-smoke exhaust device used in fire disasters according to claim 1 is characterized in that: A screw rod is fixed to the bottom end of the connecting rod (10), and screw holes matching the screw rod are provided at both ends of the top of the supporting plate (11).

6. The self-smoke exhaust device used in fire disasters according to claim 1, characterized in that: A cavity is provided between the outer wall and the inner wall of the smoke exhaust pipe (12), and the cavity is communicated with the water inlet pipe (13) and the nozzle (15), and one end of the smoke exhaust pipe (12) is plugged into the installation frame (3).