Fire-fighting smoke exhaust structure with abnormity alarm mechanism
By introducing abnormal alarm mechanism and multi-layer filter system into the fire-fighting smoke exhaust structure, the problem of smoke pollution in the existing technology is solved, and effective smoke filtering and alarm functions are realized.
Patent Information
- Application Number
- CN202422092051.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The existing fire smoke exhaust structure cannot alarm when abnormalities occur, resulting in the direct discharge of harmful solid particles in the smoke, polluting the environment.
A fire-fighting smoke exhaust structure with an abnormal alarm mechanism is designed. The smoke concentration and temperature are monitored through smoke sensors and temperature sensors, combined with a coarse filter, a fine filter, an activated carbon adsorption network and a HEPA filter for preliminary filtration, and a clean water spray is sprayed through the spray head to cool down and adsorb harmful particulate matter.
It realizes timely alarms and effectively filters smoke in abnormal situations, avoids the discharge of harmful particles, and protects the environment from pollution.
Smart Images
Figure CN223121604U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire smoke exhaust, in particular to a fire smoke exhaust structure with an abnormal alarm mechanism. Background Technique
[0002] In fire rescue, the fire smoke exhaust structure is an important fire-fighting device. When a dangerous situation occurs, it can quickly discharge the indoor smoke to the outside, reduce the inhalation amount of harmful gases by indoor personnel, and ensure the rapid evacuation of personnel from the indoor. However, the existing fire smoke exhaust structure cannot alarm when abnormal occurs, which may cause environmental pollution.
[0003] To solve the above problems, a fire smoke exhaust structure with an abnormal alarm mechanism is proposed here. Content of the Utility Model
[0004] The purpose of the utility model is to provide a fire smoke exhaust structure with an abnormal alarm mechanism to solve the problems raised in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A fire smoke exhaust structure with an abnormal alarm mechanism, including a fire smoke exhaust channel. One end of the fire smoke exhaust channel is snap-fitted with an installation ring. The end of the installation ring away from the fire smoke exhaust channel is fixedly provided with a filter box. The middle parts of both sides of the filter box are respectively fixedly provided with a coarse filter screen and an exhaust window. A fixing seat is snap-fitted inside the filter box. Inside the fixing seat, a fine filter screen, an activated carbon adsorption net and a HEPA filter screen are fixedly arranged in sequence from left to right. A conduit is fixedly provided at the top inside the filter box. The bottom end of the conduit is fixedly communicated with a plurality of spray heads. One end of the inner wall top of the fire smoke exhaust channel is fixedly provided with a fixing plate. Smoke sensors and temperature sensors are respectively fixedly installed on both sides of the bottom end of the fixing plate. One end of the top of the fire smoke exhaust channel is fixedly provided with a control box. A control panel is fixedly installed at the bottom inside the control box.
[0006] Through the combined setting of the coarse filter screen, the fine filter screen, the activated carbon adsorption net and the HEPA filter screen, it is convenient to carry out preliminary filtration treatment on the smoke. Clear water is introduced into the conduit through a liquid inlet pipe and sprayed out in the form of spray through a plurality of spray heads, which can not only play a role in cooling, but also adsorb harmful solid particles in the smoke, avoiding the direct discharge of harmful solid particles in the smoke and causing environmental pollution.
[0007] Preferably, the top end of the catheter is fixedly communicated with a liquid inlet pipe, the top end of the liquid inlet pipe extends to the outside, a first electromagnetic valve is fixedly installed in the middle of the liquid inlet pipe, an alarm is fixedly installed on one side of the control box, and the first electromagnetic valve, the alarm, the smoke sensor and the temperature sensor are all electrically connected to the control panel. The first electromagnetic valve, the alarm, the smoke sensor and the temperature sensor are controlled by the control panel to be powered on and start working.
[0008] Preferably, two fixing bolts are arranged in a threaded manner at the connection between the mounting ring and the fire smoke exhaust passage. Two threaded holes are provided at the connection between the fire smoke exhaust passage and the mounting ring. The two fixing bolts are respectively threadedly connected to the two threaded holes. By loosening the two fixing bolts to separate them from the two threaded holes, the mounting ring is no longer limited, and thus it is convenient to disassemble and clean the filter box.
[0009] Preferably, an auxiliary handle is fixedly arranged on the front surface of the fixing seat. The arrangement of the auxiliary handle facilitates the removal of structures such as the fixing seat.
[0010] Preferably, a drain pipe is fixedly communicated with the bottom of the side of the filter box away from the mounting ring. A second electromagnetic valve is fixedly installed at the connection between the drain pipe and the filter box. The second electromagnetic valve is electrically connected to the control panel. The arrangement of the drain pipe facilitates the discharge of waste liquid.
[0011] Preferably, an inclined surface is provided at the bottom inside the filter box. The arrangement of the inclined surface facilitates the derivation of waste liquid.
[0012] Preferably, the coarse filter screen and the exhaust window are correspondingly arranged with the fire smoke exhaust passage;
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] 1. The smoke concentration and temperature of the gas entering the fire smoke exhaust passage are monitored by the smoke sensor and the temperature sensor. When the smoke concentration or temperature is higher than the set value of the smoke sensor or the temperature sensor, the information will be fed back to the control panel to control the alarm to sound an alarm to remind relevant personnel that a fire may occur;
[0015] 2. The cooperation of the coarse filter screen, the fine filter screen, the activated carbon adsorption net and the HEPA filter screen facilitates the preliminary filtration treatment of the smoke. Clear water is introduced into the catheter through the liquid inlet pipe and sprayed out in the form of spray through a plurality of spray heads, which can not only play a role in cooling, but also adsorb harmful solid particles in the smoke, avoiding the direct discharge of harmful solid particles in the smoke and causing environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a perspective view of the present utility model;
[0017] Figure 2 is a front cross-sectional view of the present utility model;
[0018] Figure 3 is an enlarged view of a partial area A of the present utility model;
[0019] Figure 4 is a cross-sectional view of the filter box of the present utility model.
[0020] In the figure: 1, fire exhaust passage; 2, filter box; 3, control box; 4, alarm; 5, control panel; 6, fixing plate; 7, smoke sensor; 8, temperature sensor; 9, mounting ring; 10, fixing bolt; 11, threaded hole; 12, coarse filter screen; 13, exhaust window; 14, conduit; 15, spray head; 16, liquid inlet pipe; 17, first solenoid valve; 18, drain pipe; 19, second solenoid valve; 20, fixing seat; 21, fine filter screen; 22, activated carbon adsorption net; 23, HEPA filter screen; 24, auxiliary handle. Specific embodiments
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.
[0022] Please refer to Figures 1-4 , the present utility model provides a fire exhaust structure with an abnormal alarm mechanism, including a fire exhaust passage 1. One end of the fire exhaust passage 1 is snap-fitted with a mounting ring 9. The end of the mounting ring 9 away from the fire exhaust passage 1 is fixedly provided with a filter box 2. The middle parts of both sides of the filter box 2 are respectively fixedly provided with a coarse filter screen 12 and an exhaust window 13. A fixing seat 20 is snap-fitted inside the filter box 2. Inside the fixing seat 20, a fine filter screen 21, an activated carbon adsorption net 22 and a HEPA filter screen 23 are fixedly arranged in sequence from left to right. At the top of the inner side of the filter box 2, a conduit 14 is fixedly provided. The bottom end of the conduit 14 is fixedly communicated with a plurality of spray heads 15. One end of the inner wall top of the fire exhaust passage 1 is fixedly provided with a fixing plate 6. On both sides of the bottom end of the fixing plate 6, a smoke sensor 7 and a temperature sensor 8 are respectively fixedly installed. One end of the top of the fire exhaust passage 1 is fixedly provided with a control box 3. At the bottom of the inner side of the control box 3, a control panel 5 is fixedly installed. Through the combined setting of the coarse filter screen 12, the fine filter screen 21, the activated carbon adsorption net 22 and the HEPA filter screen 23, it is convenient to preliminarily filter the smoke. Clear water is introduced into the conduit 14 through the liquid inlet pipe 16 and is sprayed out in the form of a spray through a plurality of spray heads 15, which can not only play a role in cooling, but also adsorb harmful solid particles in the smoke, avoiding the direct discharge of harmful solid particles in the smoke from causing environmental pollution.
[0023] There are two fixing bolts 10 arranged in a threaded manner at the connection between the mounting ring 9 and the fire exhaust passage 1. There are two threaded holes 11 opened at the connection between the fire exhaust passage 1 and the mounting ring 9. The two fixing bolts 10 are respectively threadedly connected to the two threaded holes 11. A auxiliary handle 24 is fixedly arranged on the front surface of the fixing seat 20. The top end of the conduit 14 is fixedly communicated with a liquid inlet pipe 16. The top end of the liquid inlet pipe 16 extends to the outside. A first electromagnetic valve 17 is fixedly installed in the middle of the liquid inlet pipe 16. An alarm 4 is fixedly installed on one side of the control box 3. The first electromagnetic valve 17, the alarm 4, the smoke sensor 7 and the temperature sensor 8 are all electrically connected to the control panel 5;
[0024] During use, by loosening the two fixing bolts 10 to separate them from the two threaded holes 11, the mounting ring 9 is no longer limited, thus facilitating the disassembly and cleaning of the filter box 2. The setting of the auxiliary handle 24 facilitates the removal of structures such as the fixing seat 20. The first electromagnetic valve 17, the alarm 4, the smoke sensor 7 and the temperature sensor 8 are all controlled by the control panel 5 to be powered on and start working;
[0025] The coarse filter screen 12 and the exhaust window 13 are correspondingly arranged with the fire exhaust passage 1. An inclined surface is opened at the bottom inside the filter box 2. A drain pipe 18 is fixedly communicated with the bottom of the side of the filter box 2 away from the mounting ring 9. A second electromagnetic valve 19 is fixedly installed at the connection between the drain pipe 18 and the filter box 2. The second electromagnetic valve 19 is electrically connected to the control panel 5;
[0026] During use, the setting of the inclined surface facilitates the derivation of waste liquid, and the drain pipe 18 is provided to facilitate the discharge of the waste liquid.
[0027] When the present application embodiment is in use: The smoke sensor 7 and the temperature sensor 8 are used to monitor the smoke concentration and temperature of the gas entering the fire exhaust passage 1. When the smoke concentration or temperature is higher than the set value of the smoke sensor 7 or the temperature sensor 8, the information will be fed back to the control panel 5 to control the alarm 4 to emit an alarm sound to remind relevant personnel that a fire may occur. At the same time, the first electromagnetic valve 17 and the second electromagnetic valve 19 are controlled to open. Among them, the cooperation of the coarse filter screen 12, the fine filter screen 21, the activated carbon adsorption net 22 and the HEPA filter screen 23 facilitates the preliminary filtration of the smoke. The clear water is introduced into the conduit 14 through the liquid inlet pipe 16 and is sprayed out in the form of a spray through a plurality of spray heads 15, which can not only play a role in cooling, but also adsorb the harmful solid particles in the smoke, avoiding the direct discharge of the harmful solid particles in the smoke from causing environmental pollution.
[0028] Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A fire smoke exhaust structure with an abnormal alarm mechanism, including a fire smoke exhaust passage (1), characterized in that: One end of the fire exhaust passage (1) is snap-fitted with an installation ring (9). One end of the installation ring (9) away from the fire exhaust passage (1) is fixedly provided with a filter box (2). The middle parts on both sides of the filter box (2) are respectively fixedly provided with a coarse filter screen (12) and an exhaust window (13). A fixing seat (20) is snap-fitted inside the filter box (2). Inside the fixing seat (20), a fine filter screen (21), an activated carbon adsorption net (22), and a HEPA filter screen (23) are fixedly arranged in sequence from left to right. At the top inside the filter box (2), a conduit (14) is fixedly provided. The bottom end of the conduit (14) is fixedly communicated with a plurality of spray heads (15). One end at the top inner wall of the fire exhaust passage (1) is fixedly provided with a fixing plate (6). On both sides of the bottom end of the fixing plate (6), a smoke sensor (7) and a temperature sensor (8) are respectively fixedly installed. One end at the top of the fire exhaust passage (1) is fixedly provided with a control box (3). At the bottom inside the control box (3), a control panel (5) is fixedly installed.
2. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: The top end of the conduit (14) is fixedly communicated with a liquid inlet pipe (16). The top end of the liquid inlet pipe (16) extends to the outside. A first electromagnetic valve (17) is fixedly installed in the middle of the liquid inlet pipe (16). An alarm (4) is fixedly installed on one side of the control box (3). The first electromagnetic valve (17), the alarm (4), the smoke sensor (7), and the temperature sensor (8) are all electrically connected to the control panel (5).
3. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: Two fixing bolts (10) are threadedly arranged at the connection between the installation ring (9) and the fire exhaust passage (1). Two threaded holes (11) are opened at the connection between the fire exhaust passage (1) and the installation ring (9). The two fixing bolts (10) are respectively threadedly connected to the two threaded holes (11).
4. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: An auxiliary handle (24) is fixedly provided on the front of the fixing seat (20).
5. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: At the bottom of the side of the filter box (2) away from the installation ring (9), a drain pipe (18) is fixedly communicated. A second electromagnetic valve (19) is fixedly installed at the connection between the drain pipe (18) and the filter box (2). The second electromagnetic valve (19) is electrically connected to the control panel (5).
6. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: An inclined surface is opened at the bottom inside the filter box (2).
7. The fire smoke exhaust structure with an abnormal alarm mechanism according to claim 1, characterized in that: The coarse filter screen (12) and the exhaust window (13) are arranged corresponding to the fire exhaust passage (1).