Fireproof door with smoke sensing device

Abstract

The fireproof door comprises a door frame, a fireproof door body is hinged to the interior of the door frame through hinges, a smoke detection mechanism is fixedly connected to the upper surface of the door frame, and a protection mechanism is connected to the lower surface of the fireproof door body in a threaded mode. The smoke detection mechanism comprises an alarm lamp fixedly connected to the upper surface of the door frame, one side of the alarm lamp is electrically connected with a PLC through a power line, and one side of the PLC is electrically connected with a smoke sensor through a power line. According to the fireproof door with the smoke sensing device, through the arrangement of the smoke detection mechanism, when a fire disaster occurs, a smoke sensor on the upper surface of a door frame detects the smoke concentration in the surrounding environment, when the smoke concentration reaches a preset value, a signal is transmitted to a PLC on one side, then the PLC controls an alarm lamp to give an alarm, workers are reminded in time for prevention, and the fireproof door is safe and reliable. And heavy casualties and property loss caused by overlarge fire are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fire doors, in particular to a fire door provided with a smoke and dust sensing device. Background Art

[0002] Fire doors are doors that meet fire resistance stability, integrity, and thermal insulation requirements for a specified period of time. They are installed between fire compartments, evacuation stairwells, vertical shafts, and other fire-resistant fireproof partitions. In addition to the functions of ordinary doors, fire doors also prevent the spread of fire and smoke, effectively preventing the spread of fire for a specified period of time and ensuring evacuation.

[0003] In modern society, fire doors, as a crucial component of a building's fire protection system, bear the heavy responsibility of preventing the spread of fire and ensuring the safety of evacuation routes. Traditional fire doors primarily rely on the fire resistance of their materials to slow the spread of flames, but smoke is often a more lethal factor in the early stages of a fire. Smoke not only spreads rapidly and reduces visibility, but can also carry toxic gases, posing a threat to the human respiratory system. Therefore, adding a smoke sensor to a fire door is crucial for improving fire safety, enabling timely response to changes in smoke concentration and proactively initiating appropriate alarms and emergency measures. Therefore, a fire door equipped with a smoke sensor is proposed.

[0004] A fire door that can automatically sense smoke concentration is disclosed in announcement number CN217897691U. Although the fire door that can automatically sense smoke concentration includes a fire door, a mounting groove is provided on the front surface of the fire door, an air supply groove is provided on the bottom of the inner wall of the mounting groove, a slot is provided on the front surface of the fire door, a water tank slot is provided near the top of the front surface of the fire door, a sensing mechanism is provided on the front surface of the fire door, a dust suction mechanism is provided in the mounting groove, an adsorption mechanism is provided in the slot, and a fire extinguishing mechanism is provided in the water tank slot; the fire door that can automatically sense smoke concentration, by arranging the sensing mechanism, the dust suction mechanism and the adsorption mechanism, the device can automatically sense the smoke concentration near the fire door and conveniently reduce the smoke concentration, thereby improving the visibility of personnel, thereby improving the efficiency of personnel evacuation, and by arranging the fire extinguishing mechanism, the device has a certain function of suppressing fire, thereby improving the fire prevention performance of the device.

[0005] Although the above patent has achieved the goal of automatically sensing the smoke concentration near the fire door and conveniently reducing the smoke concentration by setting up a sensing mechanism, a dust suction mechanism and an adsorption mechanism, thereby improving the visibility of personnel and thus improving the efficiency of personnel evacuation, and by setting up a fire extinguishing mechanism, the device has a certain function of suppressing fire, thereby improving the fire prevention performance of the device; however, the device is not easy to protect against the harmful gases generated, and the smoke may carry toxic gases, posing a threat to the human respiratory system. Therefore, the evacuating personnel need to cover their mouths and noses with wet towels to evacuate and increase the probability of survival.

[0006] Therefore, it is necessary to invent a fire door provided with a smoke sensor to solve the above problems. Utility Model Content

[0007] The technical problems to be solved by the present invention are as follows: to provide a fire door equipped with a smoke and dust sensing device which is highly practical, can be easily operated and has a relatively simple structure, and solves the problem of detecting the smoke generated by a fire and providing timely feedback to the staff for prevention proposed in the above-mentioned background technology.

[0008] The purpose of the utility model can be achieved through the following technical solutions:

[0009] A fire door provided with a smoke sensing device comprises a door frame, a fire door body hinged to the interior of the door frame by a hinge, a smoke detection mechanism fixedly connected to the upper surface of the door frame, a protective mechanism threadedly connected to the lower surface of the fire door body, the smoke detection mechanism comprising an alarm light fixedly connected to the upper surface of the door frame, one side of the alarm light electrically connected to a PLC controller via a power cord, and one side of the PLC controller electrically connected to a smoke sensor via a power cord; the protective mechanism comprises a protective box threadedly connected to the lower surface of the fire door body, a towel is placed inside the protective box, a sealing cover is hinged to the upper surface of the protective box by a hinge, an inner wall of the sealing cover is fixedly connected to an adhesive patch A, a surface of the adhesive patch A is adhesively connected to an adhesive patch B, and one side of the adhesive patch B is fixedly connected to a pure water bag.

[0010] As a further solution of the present invention: a cavity is provided inside the fire door body, and a heat insulation mechanism is fixedly connected to the inside of the cavity, so that the heat insulation mechanism facilitates improving the heat insulation performance of the fire door.

[0011] As a further solution of the present invention: the heat insulation mechanism includes glass fibers fixedly connected to the inside of the cavity, and ceramic fibers are fixedly connected to one side of the glass fibers, which facilitate heat insulation.

[0012] As a further solution of the present invention: an observation window is provided on the surface of the fire door body, and the material of the observation window is tempered glass, which facilitates observation of the internal situation.

[0013] As a further solution of the present invention: a handle is fixedly connected to the surface of the fire door body, and an anti-slip sleeve is sleeved on the surface of the handle, which is convenient for anti-slip.

[0014] As a further solution of the present invention: a through hole is provided at the bottom of the protective box, and four threaded holes are provided on the surface of the protective box. Bolts are connected to the internal threads of the threaded holes to facilitate fixing the protective box.

[0015] As a further solution of the present invention: four connecting pieces are fixedly connected to the surface of the door frame, and connecting holes are opened on the surfaces of the connecting pieces, so that the connecting pieces are easy to connect to the door frame.

[0016] Beneficial effects of the utility model:

[0017] 1. Through the setting of the smoke detection mechanism, when a fire occurs, the smoke sensor on the upper surface of the door frame detects the smoke concentration in the surrounding environment. When it reaches the preset value, it transmits the signal to the PLC controller on one side, and then the PLC controller controls the alarm light to sound the alarm, so as to remind the staff to take preventive measures in time to avoid the fire from causing serious casualties and property losses.

[0018] 2. Through the setting of the protection mechanism, in the event of a fire, the evacuees can tear off the pure water bag from the sealing cover, then open the opening of the pure water bag, pour the sterile water in the pure water bag onto the towel in the protection box, soak the towel, and use the soaked towel to cover the mouth and nose for evacuation, thereby increasing the probability of survival and preventing harmful gases in the smoke from entering the respiratory tract and causing harm to their health. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the smoke detection mechanism of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the protective mechanism of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the heat insulation mechanism of the utility model.

[0024] In the figure: 1. Door frame; 2. Fire door body; 3. Smoke detection mechanism; 301. Alarm light; 302. PLC controller; 303. Smoke sensor; 4. Protection mechanism; 401. Protection box; 402. Towel; 403. Sealing cover; 404. Adhesive patch A; 405. Adhesive patch B; 406. Pure water bag; 5. Heat insulation mechanism; 501. Glass fiber; 502. Ceramic fiber; 6. Observation window; 7. Handle; 8. Bolt; 9. Connector. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] like Figure 1-4 As shown, a fire door with a smoke sensing device includes a door frame 1, a fire door body 2 is hingedly connected to the interior of the door frame 1 by a hinge, a smoke detection mechanism 3 is fixedly connected to the upper surface of the door frame 1, and the smoke detection mechanism 3 is set to avoid excessive fire causing serious casualties and property losses. The lower surface of the fire door body 2 is threadedly connected to a protective mechanism 4, and the protective mechanism 4 is set to prevent harmful gases in the smoke from entering the respiratory tract and causing harm to the health of the person. The smoke detection mechanism 3 includes an alarm light 301 fixedly connected to the upper surface of the door frame 1. The alarm light 301 One side of the fire door body 2 is electrically connected to a PLC controller 302 via a power cord, and one side of the PLC controller 302 is electrically connected to a smoke sensor 303 via a power cord; the protection mechanism 4 includes a protection box 401 threadedly connected to the lower surface of the fire door body 2, a towel 402 is placed inside the protection box 401, and a sealing cover 403 is hinged to the upper surface of the protection box 401 via a hinge, and an inner wall of the sealing cover 403 is fixedly connected to an adhesive tape A404, and a surface of the adhesive tape A404 is adhesively connected to an adhesive tape B405, and one side of the adhesive tape B405 is fixedly connected to a pure water bag 406;

[0027] like Figure 4 As shown, a cavity is provided inside the fire door body 2, and a heat insulating mechanism 5 is fixedly connected inside the cavity. The heat insulating mechanism 5 is convenient for improving the heat insulating performance of the fire door;

[0028] like Figure 4 As shown, the heat insulation mechanism 5 includes a glass fiber 501 fixedly connected to the interior of the cavity, and a ceramic fiber 502 is fixedly connected to one side of the glass fiber 501, and the ceramic fiber 502 facilitates heat insulation;

[0029] like Figure 1As shown, an observation window 6 is provided on the surface of the fire door body 2. The material of the observation window 6 is tempered glass, and the observation window 6 is convenient for observing the internal situation.

[0030] like Figure 1 As shown, a handle 7 is fixedly connected to the surface of the fire door body 2, and an anti-slip sleeve is sleeved on the surface of the handle 7 to prevent slipping;

[0031] like Figure 3 As shown, a through hole is provided at the bottom of the protective box 401, and four threaded holes are provided on the surface of the protective box 401. Bolts 8 are connected to the inner threads of the threaded holes to facilitate fixing the protective box 401.

[0032] like Figure 1 As shown, four connecting members 9 are fixedly connected to the surface of the door frame 1 , and connecting holes are opened on the surface of the connecting members 9 , so that the connecting members 9 can be easily connected to the door frame 1 .

[0033] The working principle of the present invention is as follows: when a fire occurs, the smoke sensor 303 on the upper surface of the door frame 1 detects the smoke concentration in the surrounding environment. When it reaches a preset value, it transmits a signal to the PLC controller 302 on one side, and then the PLC controller 302 controls the alarm light 301 to sound an alarm, so as to remind the staff to take preventive measures in time;

[0034] In the event of a fire, the evacuees can tear off the pure water bag 406 from the sealing cover 403, then open the opening of the pure water bag 406, pour the sterile water in the pure water bag 406 onto the towel 402 in the protective box 401, soak the towel 402, and use the soaked towel 402 to cover the mouth and nose for evacuation, thereby increasing the probability of survival.

[0035] The above describes an embodiment of the present invention in detail. However, the above content is only a preferred embodiment of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent application of the present invention.

Claims

1. A fire door provided with a smoke and dust sensing device, comprising a door frame (1), characterized in that: The interior of the door frame (1) is hinged with a fire door body (2), the upper surface of the door frame (1) is fixedly connected with a smoke detection mechanism (3), and the lower surface of the fire door body (2) is threadedly connected with a protection mechanism (4). The smoke detection mechanism (3) comprises an alarm light (301) fixedly connected to the upper surface of the door frame (1); one side of the alarm light (301) is electrically connected to a PLC controller (302) via a power line; and one side of the PLC controller (302) is electrically connected to a smoke sensor (303) via a power line. The protection mechanism (4) comprises a protection box (401) threadedly connected to the lower surface of the fire door body (2), a towel (402) is placed inside the protection box (401), a sealing cover (403) is hingedly connected to the upper surface of the protection box (401) via a hinge, an adhesive tape A (404) is fixedly connected to the inner wall of the sealing cover (403), an adhesive tape B (405) is adhesively connected to the surface of the adhesive tape A (404), and a pure water bag (406) is fixedly connected to one side of the adhesive tape B (405).

2. A fire door with a smoke and dust sensing device according to claim 1, characterized in that: A cavity is provided inside the fire door body (2), and a heat insulation mechanism (5) is fixedly connected to the inside of the cavity.

3. A fire door with a smoke and dust sensing device according to claim 2, characterized in that: The heat insulation mechanism (5) comprises a glass fiber (501) fixedly connected to the interior of the cavity, and a ceramic fiber (502) is fixedly connected to one side of the glass fiber (501).

4. The fire door with a smoke and dust sensing device according to claim 1, characterized in that: An observation window (6) is provided on the surface of the fire door body (2), and the material of the observation window (6) is tempered glass.

5. The fire door with a smoke and dust sensing device according to claim 1, characterized in that: A handle (7) is fixedly connected to the surface of the fire door body (2), and an anti-slip sleeve is sleeved on the surface of the handle (7).

6. The fire door with a smoke and dust sensing device according to claim 1, characterized in that: A through hole is provided at the bottom of the protective box (401), and four threaded holes are provided on the surface of the protective box (401), wherein the internal threads of the threaded holes are connected with bolts (8).

7. The fire door with a smoke and dust sensing device according to claim 1, characterized in that: Four connecting pieces (9) are fixedly connected to the surface of the door frame (1), and connecting holes are provided on the surfaces of the connecting pieces (9).

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