Fireproof air brake with good smoke exhaust effect
By introducing smoke exhaust and shut-off mechanisms into fireproof air dampers, and utilizing a combination of fans, spiral pipes, and water tanks, the problem of fireproof air dampers lacking smoke exhaust function during fires has been solved, achieving effective smoke filtration and automatic shut-off, and improving escape safety.
Patent Information
- Application Number
- CN202422695819.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-05
AI Technical Summary
Existing fireproof ventilation dampers lack smoke extraction capabilities during fires, leading to rapid smoke accumulation and increasing the risk of poisoning and difficulty in escape.
A fireproof air damper, comprising a smoke exhaust mechanism and a shut-off mechanism, was designed. Through the combination of a fan, spiral duct, internal and external fans and a water storage tank, it achieves effective filtration and exhaust of smoke and automatically shuts off the smoke passage when the water is depleted.
It effectively filters harmful substances and sparks in the smoke, improves smoke extraction efficiency, reduces the harm of smoke to personnel, and ensures the safety of escape routes.
Smart Images
Figure CN223677907U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire damper technical field, concretely is a fire damper with good smoke exhaust effect. BACKGROUND
[0002] Fire damper is an important fireproof equipment installed in ventilation and air conditioning system, mainly used for preventing fire and smoke from spreading through ventilation ducts. When a fire occurs, the fire damper can automatically close when it senses high temperature or smoke, blocking the spread of fire and preventing smoke from entering other areas, thereby protecting the safety of personnel and reducing property losses.
[0003] The existing fire damper is generally designed to close air circulation when a fire occurs, and it does not have a smoke exhaust function. Smoke is often more deadly than fire in a fire, and thick smoke not only fills buildings quickly, but also contains a large amount of toxic gas, causing people to inhale poisoning or suffocation. Smoke quickly accumulates, especially in closed or narrow areas, greatly increasing the difficulty of escape. In view of this, we propose a fire damper with good smoke exhaust effect. SUMMARY
[0004] The purpose of the utility model is to provide a fire damper with good smoke exhaust effect, which solves the problem of lack of smoke exhaust function in existing fire damper, which increases the risk of poisoning and difficulty of escape of personnel when a fire occurs.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A fire damper with good smoke exhaust effect, comprising a fire damper, the fire damper is provided with a smoke exhaust mechanism, the smoke exhaust mechanism comprises: an air inlet, the inner wall of the fire damper is fixedly connected with the air inlet, the top of the air inlet is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a fan, the top of the fan is fixedly connected with an output frame, the back of the output frame is fixedly connected with one end of an input air pipe, the other end of the input air pipe is fixedly connected with a left water storage tank, the inner wall of the left water storage tank is fixedly connected with an inner concave ring member, the bottom of the input air pipe is fixedly connected with a spiral pipe, the bottom of the spiral pipe is rotatably connected with a connecting cylindrical block, the outer wall of the connecting cylindrical block is fixedly connected with an L-shaped exhaust pipe, the outer wall of the connecting cylindrical block is fixedly connected with an inner fan, the outer wall of the connecting cylindrical block is fixedly connected with an outer fan; The fire damper is provided with a cutting mechanism.
[0007] Preferably, the cutting mechanism includes a communication pipe, one end of the communication pipe is fixedly connected to the bottom of the left water storage tank, the other end of the communication pipe is fixedly connected with the right water storage tank, the inner wall of the right water storage tank is fixedly connected with a sliding rope pipe, one end of the return spring is fixedly connected to the inner wall of the output frame, the other end of the return spring is fixedly connected with a plug block, one end of the pull rope is fixedly connected to the outer wall of the plug block, the other end of the pull rope is fixedly connected with a square floating block.
[0008] Preferably, the top of the fire damper is fixedly connected with a protective cover, and the bottom of the air inlet is in communication with the front cavity of the fire damper.
[0009] Preferably, the outer wall of the left water storage tank is fixedly connected with the outer wall of the fire damper, and the inner wall of the connecting cylindrical block is in communication with the inner wall of the spiral pipe.
[0010] Preferably, the inner wall of the connecting cylindrical block is in communication with the inner wall of the left water storage tank through an L-shaped exhaust pipe, and the back of the left water storage tank is provided with an exhaust hole.
[0011] Preferably, the outer wall of the right water storage tank is fixedly connected with the outer wall of the fire damper, and the outer wall of the plug block is in piston connection with the inner wall of the output frame.
[0012] Preferably, the pull rope penetrates through the inner wall of the sliding rope pipe, and the inner wall of the right water storage tank is in communication with the inner wall of the left water storage tank through the communication pipe.
[0013] By the above technical scheme, the fire damper with good smoke exhaust effect is provided.
[0014] (1), the utility model discloses a smoke exhaust mechanism is set up, and the fan is opened, and the flue gas is exhausted through the L-shaped exhaust pipe, and the reaction force that the L-shaped exhaust pipe receives drives the connecting cylindrical block to rotate, and the connecting cylindrical block drives the inner fan and the outer fan to rotate, and the fan blade helical direction of the inner fan and the outer fan is contrary, so the inner fan pushes down the gas that sprays and disperses, and the outer fan drives the airflow that disperses to impact the inner concave annular part after being upwards, and then is downwards to the position of the spiral pipe heating, strengthens the effect of filtering, makes the smoke exhaust effect good.
[0015] (2), the utility model discloses a smoke exhaust mechanism is set up, and the heat contained in the flue gas heats the water in the left water storage tank through the spiral pipe, improves the activity of water molecule, also improves the filtering effect of water to the flue gas.
[0016] (3), the utility model discloses a cut -off mechanism is set, when the water of left water storage tank is consumed, the water in right water storage tank will also be consumed, at this moment the square floating block in right water storage tank moves down due to the reduction of water, and the square floating block removes the blockage block to the right through pull rope, at this moment return spring is stretched, so that the blockage block blocks the output of fan, avoids the situation that the flue gas is discharged without filtering under the condition of no water, and influences the air of other space. BRIEF DESCRIPTION OF DRAWINGS
[0017] The drawings described herein are used to provide further understanding of the utility model and constitute a part of this application:
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the structure schematic diagram of the inside protective cover in the utility model;
[0020] Figure 3 It is the structure schematic diagram of the output frame back view in the utility model;
[0021] Figure 4 It is the structure schematic diagram of left water storage tank section in the utility model;
[0022] Figure 5 It is the section structure schematic diagram of the inside fan and the outside fan in the utility model;
[0023] Figure 6 It is the structure schematic diagram of L type exhaust pipe in the utility model;
[0024] Figure 7 It is the structure schematic diagram of the communication pipeline in the utility model;
[0025] Figure 8 It is the section structure schematic diagram of right water storage tank in the utility model;
[0026] Figure 9 It is the section structure schematic diagram of output frame in the utility model.
[0027] In the drawing: 1, fire damper;2, protective cover;3, smoke exhaust mechanism;31, air inlet;32, connecting frame;33, fan;34, output frame;35, input air pipe;36, left water storage tank;37, concave annular part;38, spiral pipeline;39, connecting cylindrical block;310, inside fan;311, outside fan;312, L type exhaust pipe;4, cut -off mechanism;41, communication pipeline;42, right water storage tank;43, slide rope pipeline;44, return spring;45, blockage block;46, pull rope;47, square floating block. DETAILED DESCRIPTION
[0028] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Please refer to Figures 1-9 The utility model provides a kind of fire damper with good smoke exhaust effect, which comprises a fire damper 1, a smoke exhaust mechanism 3 is arranged on the fire damper 1, the smoke exhaust mechanism 3 comprises: an air inlet 31, the inner wall of the fire damper 1 is fixedly connected with the air inlet 31, the top of the air inlet 31 is fixedly connected with a connecting frame 32, the top of the connecting frame 32 is fixedly connected with a fan 33, the top of the fan 33 is fixedly connected with an output frame 34, the back of the output frame 34 is fixedly connected with one end of an input air pipe 35, the other end of the input air pipe 35 is fixedly connected with a left water storage tank 36, the inner wall of the left water storage tank 36 is fixedly connected with an inner concave annular part 37, the bottom of the input air pipe 35 is fixedly connected with a spiral pipe 38, the bottom of the spiral pipe 38 is rotatably connected with a connecting cylindrical block 39, the outer wall of the connecting cylindrical block 39 is fixedly connected with an L-shaped exhaust pipe 312, the outer wall of the connecting cylindrical block 39 is fixedly connected with an inner fan 310, and the outer wall of the connecting cylindrical block 39 is fixedly connected with an outer fan 311; a cutting mechanism 4 is arranged on the fire damper 1. The fan 33 is opened, so that the smoke in front of the fire damper 1 enters the spiral pipe 38 through the air inlet 31, the connecting frame 32, the fan 33, the output frame 34 and the input air pipe 35, the heat contained in the smoke heats the water in the left water storage tank 36 through the spiral pipe 38, improves the activity of water molecules, and improves the filtering effect of water on the smoke, the smoke continues to enter the connecting cylindrical block 39 and is discharged through the L-shaped exhaust pipe 312, contacts the water in the left water storage tank 36, and plays a role in filtering harmful substances and sparks in the smoke.
[0030] The cutting mechanism 4 comprises a communication pipe 41, one end of the communication pipe 41 is fixedly connected to the bottom of the left water storage tank 36, the other end of the communication pipe 41 is fixedly connected with a right water storage tank 42, the inner wall of the right water storage tank 42 is fixedly connected with a sliding rope pipe 43, one end of a return spring 44 is fixedly connected to the inner wall of the output frame 34, the other end of the return spring 44 is fixedly connected with a blocking block 45, one end of a pull rope 46 is fixedly connected to the outer wall of the blocking block 45, and the other end of the pull rope 46 is fixedly connected with a square floating block 47. The water in the right water storage tank 42 will also be consumed, at this time, the square floating block 47 in the right water storage tank 42 moves downward due to the reduction of water, the square floating block 47 drives the blocking block 45 to move rightward through the pull rope 46, at this time, the return spring 44 is stretched, so that the blocking block 45 blocks the output of the fan 33.
[0031] The top of the fireproof damper 1 is fixedly connected with a protective cover 2, which plays a role of protecting the mechanism at the top, and the bottom of the air inlet 31 is communicated with the front cavity of the fireproof damper 1, so that the flue gas at the front of the fireproof damper 1 can enter the front of the fireproof damper 1. The outer wall of the left water storage tank 36 is fixedly connected with the outer wall of the fireproof damper 1, which plays a role of fixed support for the left water storage tank 36, the inner wall of the connecting cylindrical block 39 is communicated with the inner wall of the spiral pipe 38, so that the flue gas in the spiral pipe 38 can enter the connecting cylindrical block 39, and the inner wall of the connecting cylindrical block 39 is communicated with the inner wall of the left water storage tank 36 through the L-shaped exhaust pipe 312, so that the inner wall of the connecting cylindrical block 39 is communicated with the inner wall of the left water storage tank 36, and the back of the left water storage tank 36 is provided with an exhaust hole, which facilitates the exhaust of flue gas.
[0032] The outer wall of the right water storage tank 42 is fixedly connected with the outer wall of the fireproof damper 1, which plays a role of fixed support, the outer wall of the blocking block 45 is piston-connected with the inner wall of the output frame 34, the blocking block 45 is moved to the right to block the air inlet of the output frame 34, the pull rope 46 penetrates through the inner wall of the sliding rope pipe 43, the inner wall of the right water storage tank 42 is communicated with the inner wall of the left water storage tank 36 through the communication pipe 41, so that the water in the right water storage tank 42 and the left water storage tank 36 can be communicated with each other.
[0033] When the fireproof damper of the utility model is used, when a fire occurs, the fireproof damper 1 closes the ventilation, at this time, the fan 33 is started, so that the flue gas at the front of the fireproof damper 1 enters the spiral pipe 38 through the air inlet 31, the connecting frame 32, the fan 33, the output frame 34 and the input air pipe 35, the heat contained in the flue gas heats the water in the left water storage tank 36 through the spiral pipe 38, the activity of water molecules is improved, and the filtering effect of water on the flue gas is also improved, the flue gas continues to enter the connecting cylindrical block 39 downward and is discharged through the L-shaped exhaust pipe 312, and contacts the water in the left water storage tank 36, so as to filter the harmful substances and sparks in the flue gas, at this time, the reaction force of the exhaust of the L-shaped exhaust pipe 312 drives the connecting cylindrical block 39 to rotate, the connecting cylindrical block 39 drives the inner fan 310 and the outer fan 311 to rotate, the spiral directions of the fan blades of the inner fan 310 and the outer fan 311 are opposite, so that the inner fan 310 pushes the sprayed gas downward to scatter, the outer fan 311 drives the scattered airflow upward to impact the inner concave ring 37, and then the airflow impacts downward to the position heated by the spiral pipe 38, so that the filtering effect is strengthened, and the smoke exhaust effect is good.
[0034] The flue gas contains a large amount of heat, so water will be consumed to evaporate, the right water storage tank 42 is communicated with the left water storage tank 36, so when the water in the left water storage tank 36 is consumed, the water in the right water storage tank 42 will also be consumed, at this time the square floating block 47 in the right water storage tank 42 moves downward due to the reduction of water, the square floating block 47 drives the blocking block 45 to move right through the pull rope 46, at this time the return spring 44 is stretched, so that the blocking block 45 blocks the output of the fan 33, avoids the flue gas being discharged without being filtered in the case of no water, and affects the air of other spaces.
[0035] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fire damper with good smoke exhaust effect, comprising a fire damper (1), characterized in that: The fireproof damper (1) is provided with a smoke exhaust mechanism (3), the smoke exhaust mechanism (3) comprises: The air inlet (31) is fixedly connected with the inner wall of the fireproof damper (1), the top of the air inlet (31) is fixedly connected with the connecting frame (32), the top of the connecting frame (32) is fixedly connected with the fan (33), the top of the fan (33) is fixedly connected with the output frame (34), one end of the input air pipe (35) is fixedly connected with the back of the output frame (34), the other end of the input air pipe (35) is fixedly connected with the left water storage tank (36), the inner wall of the left water storage tank (36) is fixedly connected with the inner recessed annular part (37), the bottom of the input air pipe (35) is fixedly connected with the spiral pipe (38), the bottom of the spiral pipe (38) is rotatably connected with the connecting cylindrical block (39), the outer wall of the connecting cylindrical block (39) is fixedly connected with the L-shaped exhaust pipe (312), the outer wall of the connecting cylindrical block (39) is fixedly connected with the inner fan (310), and the outer wall of the connecting cylindrical block (39) is fixedly connected with the outer fan (311). The fireproof damper (1) is provided with a cutting mechanism (4).
2. The fire damper with good smoke exhaust effect according to claim 1, characterized in that: The cutting mechanism (4) comprises a communication pipe (41), one end of the communication pipe (41) is fixedly connected with the bottom of the left water storage tank (36), the other end of the communication pipe (41) is fixedly connected with the right water storage tank (42), the inner wall of the right water storage tank (42) is fixedly connected with the sliding rope pipe (43), one end of the return spring (44) is fixedly connected with the inner wall of the output frame (34), the other end of the return spring (44) is fixedly connected with the block plug (45), one end of the pull rope (46) is fixedly connected with the outer wall of the block plug (45), and the other end of the pull rope (46) is fixedly connected with the square floating block (47).
3. The fire damper with good smoke exhaust effect according to claim 1, characterized in that: The top of the fireproof damper (1) is fixedly connected with the protective cover (2), and the bottom of the air inlet (31) is in communication with the front cavity of the fireproof damper (1).
4. The fire damper with good smoke exhaust effect according to claim 1, characterized in that: The outer wall of the left water storage tank (36) is fixedly connected with the outer wall of the fireproof damper (1), and the inner wall of the connecting cylindrical block (39) is in communication with the inner wall of the spiral pipe (38).
5. The fire damper with good smoke exhaust effect according to claim 1, characterized in that: The inner wall of the connecting cylindrical block (39) is in communication with the inner wall of the left water storage tank (36) through the L-shaped exhaust pipe (312), and the back of the left water storage tank (36) is provided with an exhaust hole.
6. The fire damper with good smoke exhaust effect according to claim 2, characterized in that: The outer wall of the right water storage tank (42) is fixedly connected with the outer wall of the fireproof damper (1), and the outer wall of the block plug (45) is piston-connected with the inner wall of the output frame (34).
7. The fire damper with good smoke exhaust effect according to claim 2, characterized in that: The pull rope (46) penetrates through the inner wall of the sliding rope pipe (43), and the inner wall of the right water storage tank (42) is in communication with the inner wall of the left water storage tank (36) through the communication pipe (41).