Smoke-isolating fireproof door for fire protection
By adding a fire-fighting smoke insulation mechanism to the fire door and using smoke sensors and spraying components to form a water barrier, the smoke diffusion problem caused by the gaps in the fire door is solved, and effective smoke partitions and safe escape of personnel are achieved.
Patent Information
- Application Number
- CN202323388334.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2033-12-13
AI Technical Summary
During the use of fire doors, there are gaps in the position where the door frame and the door leaf are closed, thick smoke generated by the fire enters the safe space blocked by the fire door through the gap, resulting in poor smoke insulation effect.
A fire-fighting smoke-proof door was designed to add a fire-fighting smoke-proof mechanism, which includes a smoke sensor, a spraying component, a partition component and a controller. After the smoke sensor detects thick smoke, the controller controls the spraying component to spray water to form a water barrier layer. The partition assembly adjusts the water flow according to the personnel position to prevent water from spraying onto the personnel.
Effectively block smoke, prevent thick smoke from entering the safe space, ensure smoke insulation effect, and reduce the risk of water spraying on personnel when people escape.
Smart Images
Figure CN222478540U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fire-fighting equipment, and in particular relates to a smoke-proof and fire-proof door for fire-fighting. Background Art
[0002] Fire doors are an important part of fire-fighting equipment and an important part of social fire prevention. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are fireproof partitions with a certain degree of fire resistance installed between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors can also prevent the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. However, during the use of fire doors, there will be gaps between the closed position of the door frame and the door leaf. The thick smoke generated by the fire will enter the safe space blocked by the fire door through the gaps, resulting in poor smoke isolation effect.
[0003] In order to solve the above problems, the present application proposes a smoke-proof fire door for fire fighting. Utility Model Content
[0004] To solve the problems raised in the above background technology. The utility model provides a fire-fighting smoke-proof fire door, which can solve the problem that during the use of the fire door, there will be a gap between the closed position of the door frame and the door leaf, and the thick smoke generated by the fire will enter the safe space blocked by the fire door through the gap, thus resulting in poor smoke-proof effect.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire-fighting smoke-proof fire door, comprising a door frame, a fire-proof door is installed inside the door frame, and a fire-fighting smoke-proof mechanism is arranged on the door frame;
[0006] The fire-fighting smoke isolation mechanism includes a first mounting plate, a second mounting plate, a battery, a controller, a spray assembly, a partition assembly and a smoke sensor. The first mounting plate and the second mounting plate are respectively installed at the two ends of the bottom of the door frame, the battery is installed on the top of the second mounting plate, the controller is installed on the top of the first mounting plate, the spray assembly is arranged on the top of the door frame, the partition assembly is arranged on both sides of the bottom of the door frame, and the partition assembly is electrically connected to the spray assembly, and the smoke sensor is symmetrically installed on both sides of the fire door.
[0007] As a preferred smoke-proof fire door for fire protection of the utility model, the spray assembly includes a water storage shell, a water inlet pipe, a connecting bottom plate, a nozzle and a solenoid valve, the water storage shell is symmetrically installed on the top of the door frame, the connecting bottom plate is symmetrically installed on the top of the inner wall of the door frame, and the two connecting bottom plates are respectively located on both sides of the fire door, the water storage shell is connected to the connecting bottom plate, one end of the water inlet pipe is connected to the external pipe, and the other end of the water inlet pipe is connected to the water inlet of the water storage shell, a plurality of nozzles are equidistantly installed at the bottom of the connecting bottom plate, and the solenoid valve is installed on the nozzle.
[0008] As a preferred smoke-tight fireproof door for fire protection of the utility model, the partition assembly includes a pedal, a partition area and a pressure sensor, the pedal is symmetrically installed on both sides of the bottom of the door frame, and a plurality of the partition areas are evenly spaced on the top of the pedal, a plurality of the pressure sensors are respectively installed in the corresponding partition areas, and the plurality of the pressure sensors are respectively electrically connected to a plurality of solenoid valves.
[0009] As a preferred embodiment of the utility model of a smoke-proof fire door for fire protection, the solenoid valve, the smoke sensor and the pressure sensor are all electrically connected to the controller, and the controller is electrically connected to the battery.
[0010] As a preferred embodiment of the smoke-proof fire door for fire fighting of the utility model, handles are symmetrically installed on both sides of the fire door, and anti-slip sleeves are sleeved on the handles.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. When the smoke is thick, the first mounting plate and the second mounting plate are respectively mounted at the two ends of the bottom of the door frame, the battery is mounted on the top of the second mounting plate, the controller is mounted on the top of the first mounting plate, the spray assembly is arranged on the top of the door frame, the partition assembly is arranged on both sides of the bottom of the door frame, and the partition assembly is electrically connected to the spray assembly. The smoke sensor is symmetrically mounted on both sides of the fire door, and then the smoke sensor transmits the signal to the controller, and the controller controls the spray assembly to spray both sides of the fire door, thereby forming a water barrier layer to effectively isolate the smoke. Through the partition assembly, when people escape through the fire door, the water flow at the corresponding position can be blocked according to the position where the people move, reducing the problem of water spraying on people;
[0013] 2. The water storage shell is symmetrically installed on the top of the door frame, the connecting bottom plate is symmetrically installed on the top of the inner wall of the door frame, and the two connecting bottom plates are respectively located on both sides of the fire door. The water storage shell is connected to the connecting bottom plate, one end of the water inlet pipe is connected to the external pipe, and the other end of the water inlet pipe is connected to the water inlet of the water storage shell. Several nozzles are installed at equal intervals on the bottom of the connecting bottom plate, and the solenoid valve is installed on the nozzle. First, one end of the water inlet pipe is connected to the external water source. When the smoke sensor senses a high concentration, it transmits a signal to the controller. The controller controls the solenoid valve to open, so that several nozzles spray water in a diffused flow to form a water barrier, thereby effectively isolating the smoke. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 For the utility model Figure 1 A magnified view of the structure at point A;
[0017] Figure 3 This is a schematic diagram of the structure of the pedal in the utility model;
[0018] Figure 4 For the utility model Figure 3 Enlarged view of the structure at B.
[0019] In the figure:
[0020] 1. Door frame;
[0021] 2. Fire door; 21. Handle;
[0022] 3. Fire smoke isolation mechanism; 31. First mounting plate; 32. Second mounting plate; 33. Battery; 34. Controller; 35. Spraying assembly; 351. Water storage shell; 352. Water inlet pipe; 353. Connecting bottom plate; 354. Sprinkler; 355. Solenoid valve; 36. Blocking assembly; 361. Pedal; 362. Partition area; 363. Pressure sensor; 37. Smoke sensor. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] like Figure 1 As shown;
[0025] A smoke-proof fire door for fire fighting comprises a door frame 1, a fire door 2 is installed inside the door frame 1, and a fire-fighting smoke-proof mechanism 3 is arranged on the door frame 1.
[0026] In this embodiment: Under normal circumstances, fire doors are an important part of fire-fighting equipment and an important part of social fire prevention. Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fireproof partition with a certain fire resistance, which is located between fire compartments, evacuation stairwells, vertical shafts, etc. In addition to the functions of ordinary doors, fire doors also have the function of preventing the spread of fire and smoke. They can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. During the use of fire doors, there will be a gap between the door frame 1 and the closed position of the door leaf. The thick smoke generated by the fire will enter the safe space blocked by the fire door through the gap, resulting in poor smoke isolation effect. Then, by adding a fire smoke isolation mechanism 3, when a fire occurs and the smoke is large, water can be sprayed to effectively isolate the smoke on both sides of the fire door.
[0027] like Figure 1-Figure 4 As shown;
[0028] Based on the existing fire-fighting smoke-proof fire doors, by adding a fire-fighting smoke-proof mechanism 3, it is possible to solve the problem that during the use of the fire door, there will be a gap between the closed position of the door frame 1 and the door leaf, and the thick smoke generated by the fire will enter the safe space blocked by the fire door through the gap, thereby resulting in a poor smoke-proof effect.
[0029] More specifically:
[0030] In combination with the above content, in order to effectively isolate the smoke on both sides of the fire door by spraying water when the smoke is large during a fire, a fire smoke isolation mechanism 3 is provided on the door frame 1. The fire smoke isolation mechanism 3 includes a first mounting plate 31, a second mounting plate 32, a battery 33, a controller 34, a spray assembly 35, a partition assembly 36 and a smoke sensor 37. The first mounting plate 31 and the second mounting plate 32 are respectively mounted on the two ends of the bottom of the door frame 1, the battery 33 is mounted on the top of the second mounting plate 32, the controller 34 is mounted on the top of the first mounting plate 31, the spray assembly 35 is arranged on the top of the door frame 1, the partition assembly 36 is arranged on both sides of the bottom of the door frame 1, and the partition assembly 36 is electrically connected to the spray assembly 35, and the smoke sensor 37 is symmetrically installed on both sides of the fire door 2.
[0031] In this embodiment: when the smoke is thick, because the first mounting plate 31 and the second mounting plate 32 are respectively installed at the two ends of the bottom of the door frame 1, the battery 33 is installed on the top of the second mounting plate 32, the controller 34 is installed on the top of the first mounting plate 31, the spray assembly 35 is arranged on the top of the door frame 1, and the partition assembly 36 is arranged on both sides of the bottom of the door frame 1, and the partition assembly 36 is electrically connected to the spray assembly 35, and the smoke sensor 37 is symmetrically installed on both sides of the fire door 2, and then the smoke sensor 37 transmits the signal to the controller 34, and the controller 34 controls the spray assembly 35 to spray both sides of the fire door 2, thereby forming a water barrier layer to effectively isolate the smoke, and through the partition assembly 36, in the process of personnel escaping through the fire door, the water flow at the corresponding position can be blocked according to the position of the personnel moving, thereby reducing the problem of water spraying on the personnel.
[0032] To be more specific: the spray assembly 35 includes a water storage shell 351, a water inlet pipe 352, a connecting bottom plate 353, a nozzle 354 and a solenoid valve 355. The water storage shell 351 is symmetrically installed on the top of the door frame 1, the connecting bottom plate 353 is symmetrically installed on the top of the inner wall of the door frame 1, and the two connecting bottom plates 353 are respectively located on both sides of the fire door 2. The water storage shell 351 is connected to the connecting bottom plate 353, one end of the water inlet pipe 352 is connected to the external pipe, and the other end of the water inlet pipe 352 is connected to the water inlet of the water storage shell 351. A number of nozzles 354 are installed at equal intervals at the bottom of the connecting bottom plate 353, and the solenoid valve 355 is installed on the nozzle 354.
[0033] In this embodiment: because the water storage shell 351 is symmetrically installed on the top of the door frame 1, the connecting bottom plate 353 is symmetrically installed on the top of the inner wall of the door frame 1, and the two connecting bottom plates 353 are respectively located on both sides of the fire door 2, the water storage shell 351 is connected to the connecting bottom plate 353, one end of the water inlet pipe 352 is connected to the external pipe, and the other end of the water inlet pipe 352 is connected to the water inlet of the water storage shell 351, and a plurality of nozzles 354 are installed at equal intervals at the bottom of the connecting bottom plate 353, and the solenoid valve 355 is installed on the nozzle 354. First, one end of the water inlet pipe 352 is connected to the external water source. When the smoke sensor 37 senses a high concentration, it transmits a signal to the controller 34. The controller 34 controls the solenoid valve 355 to open, so that a plurality of nozzles 354 spray water in a diffused manner to form a water barrier layer, thereby achieving effective isolation of the smoke.
[0034] To be more specific: the partition assembly 36 includes a pedal 361, a partition area 362 and a pressure sensor 363. The pedal 361 is symmetrically installed on both sides of the bottom of the door frame 1, and a plurality of partition areas 362 are evenly spaced on the top of the pedal 361. A plurality of pressure sensors 363 are respectively installed in the corresponding partition areas 362, and the plurality of pressure sensors 363 are respectively electrically connected to a plurality of solenoid valves 355.
[0035] In this embodiment: when people are escaping, in order to avoid water spraying on people, the pedals 361 are symmetrically installed on both sides of the bottom of the door frame 1, and a number of partition areas 362 are evenly spaced on the top of the pedals 361, and a number of pressure sensors 363 are respectively installed in the corresponding partition areas 362, and the several pressure sensors 363 are respectively electrically connected to a plurality of solenoid valves 355. Therefore, when a person steps on a partition area 362, the corresponding pressure sensor 363 transmits the pressure signal to the controller 34, and the controller 34 closes the corresponding group of multiple solenoid valves 355, thereby reducing the problem of water spraying on people.
[0036] It should be understood that the solenoid valve 355, the smoke sensor 37 and the pressure sensor 363 are all electrically connected to the controller 34, the controller 34 is electrically connected to the battery 33, and handles 21 are symmetrically installed on both sides of the fire door 2, and anti-slip sleeves are mounted on the handles 21.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A smoke-proof fire door for firefighting, comprising a door frame (1), wherein a fire door (2) is installed inside the door frame (1), characterized in that: The door frame (1) is provided with a fire-fighting smoke isolation mechanism (3); The fire smoke isolation mechanism (3) comprises a first mounting plate (31), a second mounting plate (32), a battery (33), a controller (34), a spray assembly (35), a partition assembly (36) and a smoke sensor (37); the first mounting plate (31) and the second mounting plate (32) are respectively mounted at two ends of the bottom of the door frame (1); the battery (33) is mounted on the top of the second mounting plate (32); the controller (34) is mounted on the top of the first mounting plate (31); the spray assembly (35) is arranged on the top of the door frame (1); the partition assembly (36) is arranged on both sides of the bottom of the door frame (1); and the partition assembly (36) is electrically connected to the spray assembly (35); and the smoke sensor (37) is symmetrically mounted on both sides of the fire door (2).
2. The smoke and fireproof door for firefighting according to claim 1, characterized in that: The spray assembly (35) comprises a water storage shell (351), a water inlet pipe (352), a connecting bottom plate (353), a nozzle (354) and a solenoid valve (355); the water storage shell (351) is symmetrically mounted on the top of the door frame (1); the connecting bottom plate (353) is symmetrically mounted on the top of the inner wall of the door frame (1); and two connecting bottom plates (353) are respectively located on both sides of the fire door (2); the water storage shell (351) is connected to the connecting bottom plate (353); one end of the water inlet pipe (352) is connected to an external pipe; the other end of the water inlet pipe (352) is connected to a water inlet of the water storage shell (351); a plurality of nozzles (354) are equidistantly mounted on the bottom of the connecting bottom plate (353); and the solenoid valve (355) is mounted on the nozzles (354).
3. The smoke and fireproof door for firefighting according to claim 2, characterized in that: The partition assembly (36) comprises a pedal (361), a partition area (362) and a pressure sensor (363); the pedal (361) is symmetrically installed on both sides of the bottom of the door frame (1), and a plurality of partition areas (362) are evenly spaced on the top of the pedal (361); a plurality of pressure sensors (363) are respectively installed in corresponding partition areas (362), and the plurality of pressure sensors (363) are respectively electrically connected to a plurality of solenoid valves (355).
4. The smoke and fireproof door for firefighting according to claim 3 is characterized in that: The solenoid valve (355), the smoke sensor (37) and the pressure sensor (363) are all electrically connected to the controller (34), and the controller (34) is electrically connected to the battery (33).
5. The smoke and fireproof door for firefighting according to claim 1, characterized in that: Handles (21) are symmetrically mounted on both sides of the fireproof door (2), and anti-slip sleeves are sleeved on the handles (21).