Fire damper with smoke detection

Abstract

The utility model provides a kind of smoke detection device's exhaust duct fire damper, it belongs to fire damper field, it includes: fire damper body, smoke alarm is installed in the fire damper body;Mounting assembly, the mounting assembly includes mounting plate, spring leaf and wedge, the mounting plate is hingedly connected in fire damper body, mounting hole is set in the fire damper body, the mounting plate covers mounting hole and is cooperatively arranged, the smoke alarm is set in the inboard of mounting plate, one end of the spring leaf is fixedly arranged in fire damper body, the wedge is fixedly arranged in one side of spring leaf.The utility model is provided with mounting assembly and fixed component, can conveniently clean, maintain or replace smoke alarm, enhance practicality and convenience;Also set up exhaust fan, smoke can be discharged by exhaust fan, avoid smoke spread, and it is convenient for the discovery and positioning of fire.

Description

Technical Field

[0001] This utility model relates to the field of fire damper technology, and in particular to a fire damper for exhaust ducts with a smoke detection device. Background Technology

[0002] In all types of buildings, especially high-rise buildings, hot smoke can rapidly spread throughout the entire space during a fire due to the "chimney effect." Statistics show that approximately 80% of fire-related injuries and fatalities are caused by toxic smoke, which not only hinders evacuation but also severely impacts firefighting efficiency. Fire dampers, as a core component of building smoke control systems, automatically close based on temperature or smoke detector signals, effectively preventing the spread of fire and smoke through ventilation ducts, thus buying crucial time for evacuation and firefighting. Their performance directly affects the integrity of building fire compartments and the safety of lives, making them an indispensable and vital facility in modern building fire protection design.

[0003] In existing technologies, the smoke detector of a fire damper is usually installed inside the damper body or inside the ventilation duct. When the smoke detector needs to be inspected, cleaned, or replaced, the fire damper or part of the ventilation duct needs to be removed, which is cumbersome, time-consuming, and labor-intensive, significantly reducing the overall practicality and ease of maintenance. A more optimized solution is urgently needed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a fire damper for exhaust ducts with a smoke detection device.

[0005] An embodiment of this utility model provides a fire damper for exhaust ducts with a smoke detection device, comprising:

[0006] The fire damper body, wherein a smoke detector is installed inside the fire damper body;

[0007] The mounting assembly includes a mounting plate, a spring plate, and a wedge block. The mounting plate is hinged to the fire damper body, and the fire damper body has a through mounting hole. The mounting plate covers the mounting hole and is fitted together. The smoke detector is located inside the mounting plate. One end of the spring plate is fixedly mounted on the fire damper body, and the wedge block is fixedly mounted on one side of the spring plate.

[0008] A mounting component for securing a smoke detector.

[0009] Furthermore, the fixing component includes two positioning blocks and two T-shaped blocks. The two positioning blocks are fixedly installed on the inner side of the mounting plate, and the two T-shaped blocks are respectively fixedly installed on both sides of the smoke alarm. A T-shaped groove is provided through one side of the positioning block, and a wedge-shaped rubber block is fixedly installed in the T-shaped groove.

[0010] Furthermore, an exhaust fan is fixedly installed on the fire damper body, and a smoke extraction pipe is fixedly connected to the air inlet end of the exhaust fan. The smoke extraction pipe is fixedly installed through the top of the fire damper body, and a smoke exhaust pipe is fixedly connected to the air outlet end of the exhaust fan.

[0011] Furthermore, a controller is fixedly installed on the fire damper body, and the controller is electrically connected to the smoke detector and the exhaust fan.

[0012] Furthermore, a through hole is provided on the mounting plate, through which the wire of the smoke alarm is installed.

[0013] Furthermore, a sealing gasket is fixedly provided at the bottom of the mounting plate, and the sealing gasket is abutted against the top of the fire damper body.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. An installation assembly is provided. Simply pry open the wedge block to rotate the mounting plate open, allowing for easy cleaning or maintenance of the smoke detector. To reset, rotate the mounting plate back and secure it with the wedge block. Operation is simple and convenient, eliminating the need to remove fire dampers or ventilation ducts, enhancing practicality and ease of use.

[0016] 2. A fixing component is installed. Pulling the smoke detector upwards separates the T-block from the T-slot, allowing for easy removal and replacement. Alternatively, inserting the T-block into the T-slot and securing it with the wedge-shaped rubber block ensures it is firmly in place. This simple operation and easy replacement further enhances practicality and convenience.

[0017] 3. An exhaust fan is installed. If smoke leaks from the fire damper, the exhaust fan can promptly draw the leaked smoke into the room through the smoke extraction pipe and exhaust it outdoors through the smoke exhaust pipe, preventing the leaked smoke from spreading indoors. The exhaust smoke can also alert staff, making it easier to detect and locate a fire in a timely manner.

[0018] In summary, this utility model includes installation and fixing components, which facilitates the cleaning, maintenance, or replacement of the smoke detector, enhancing its practicality and convenience. It also includes an exhaust fan, which removes smoke, preventing its spread and facilitating the detection and location of fires. Attached Figure Description

[0019] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0020] Figure 2 This is a partial perspective view of an embodiment of the present utility model.

[0021] Figure 3This is a schematic diagram of the inner side of the mounting plate in an embodiment of this utility model.

[0022] Figure 4 This is a cross-sectional view of the positioning block in an embodiment of this utility model.

[0023] In the above attached figures: 1 Fire damper body, 2 Mounting plate, 3 Mounting hole, 4 Spring plate, 5 Wedge block, 6 Positioning block, 7 T-slot, 8 T-block, 9 Rubber block, 10 Smoke alarm, 11 Through hole, 12 Sealing gasket, 13 Exhaust fan, 14 Smoke extraction pipe, 15 Smoke exhaust pipe, 16 Controller. Detailed Implementation

[0024] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0025] like Figures 1-4 As shown, this utility model embodiment proposes a fire damper for exhaust ducts with a smoke detection device, comprising:

[0026] Fire damper body 1, smoke detector 10 is installed inside the fire damper body 1. The smoke detector 10 is an existing mature technology and is used to detect the concentration of smoke in the air.

[0027] The mounting assembly includes a mounting plate 2, a spring plate 4, and a wedge block 5. The mounting plate 2 is hinged to the fire damper body 1, allowing it to rotate on the fire damper body 1. A mounting hole 3 is provided through the fire damper body 1 for the smoke detector 10 to pass through. The mounting plate 2 is designed to cover the mounting hole 3 completely.

[0028] A sealing gasket 12 is fixedly installed at the bottom of the mounting plate 2. The sealing gasket 12 abuts against the top of the fire damper body 1, and the sealing gasket 12 seals the mounting plate 2 and the fire damper body 1. The smoke alarm 10 is installed inside the mounting plate 2. A through hole 11 is provided on the mounting plate 2. The wires of the smoke alarm 10 pass through the through hole 11, which is used for the data cable and power cable of the smoke alarm 10.

[0029] One end of the spring plate 4 is fixedly mounted on the fire damper body 1, and the spring plate 4 has a certain elasticity. The wedge block 5 is fixedly mounted on one side of the spring plate 4, and the wedge block 5 is abutted against the top of the mounting plate 2, so that the wedge block 5 can lock and fix the mounting plate 2; and by pressing the inclined surface of the wedge block 5, it can be pushed outward and bend the spring plate 4.

[0030] A fixing assembly is used to fix the smoke alarm 10. The fixing assembly includes two positioning blocks 6 and two T-blocks 8. The two positioning blocks 6 are fixedly installed on the inner side of the mounting plate 2, and the two T-blocks 8 are fixedly installed on both sides of the smoke alarm 10. A T-slot 7 is provided through one end of one side of the positioning block 6, and the T-slots 7 on both sides are arranged opposite each other; and the T-block 8 can be inserted into the T-slot 7 on the same side. A wedge-shaped rubber block 9 is fixedly installed in the T-slot 7, so that when the T-block 8 presses against the wedge-shaped rubber block 9, the wedge-shaped rubber block 9 can press the T-block 8 tightly, thereby fixing the smoke alarm 10.

[0031] A ventilation fan 13 is fixedly installed on the fire damper body 1. A smoke extraction pipe 14 is fixedly connected to the air inlet of the ventilation fan 13. The smoke extraction pipe 14 passes through the top of the fire damper body 1 and is fixedly installed therein, allowing the ventilation fan 13 to extract smoke from inside the fire damper body 1 through the smoke extraction pipe 14. A smoke exhaust pipe 15 is fixedly connected to the air outlet of the ventilation fan 13. The smoke exhaust pipe 15 connects to the outside, allowing the ventilation fan 13 to exhaust smoke outdoors through the smoke exhaust pipe 15, preventing leaked smoke from spreading indoors. The exhaust smoke can also alert personnel, facilitating timely detection of fire and determination of its location.

[0032] A controller 16 is fixedly installed on the fire damper body 1. The controller 16 is electrically connected to the smoke alarm 10 and the exhaust fan 13. The controller 16 is an existing mature technology. The controller 16 can receive the alarm signal issued by the smoke alarm 10 in a timely manner and quickly control the exhaust fan 13 to start for smoke exhaust.

[0033] The detailed working process of this utility model is as follows:

[0034] 1. When cleaning or maintaining, first pry the wedge block 5 outward to separate it from the mounting plate 2, then rotate the mounting plate 2 upward to open it, so that the smoke alarm 10 inside the mounting plate 2 can be cleaned or maintained; when resetting, rotate the mounting plate 2 downward and press the inclined surface of the wedge block 5 to push it outward and bend the spring plate 4. When the mounting plate 2 moves to the bottom of the wedge block 5, the wedge block 5 will spring back to its original position under the elastic action of the spring plate 4, so that the mounting plate 2 can be locked and fixed.

[0035] 2. When replacing, first rotate the mounting plate 2 upwards to open it, then pull the smoke alarm 10 upwards to separate the T-block 8 from the wedge-shaped rubber block 9 and T-slot 7 on the same side, so that the smoke alarm 10 can be removed for replacement; when installing, insert the T-blocks 8 on both sides of the smoke alarm 10 into the T-slot 7 on the same side, and squeeze and press against the wedge-shaped rubber block 9 on the same side to fix the T-blocks 8, thereby fixing the smoke alarm 10; finally, fix the mounting plate 2.

[0036] 3. In the event of a fire, the fire damper body 1 will automatically close. If smoke leaks from the fire damper body 1, the smoke alarm 10 will detect it in time and issue an alarm. At the same time, the exhaust fan 13 will start. The exhaust fan 13 will draw the leaked smoke into the room through the smoke extraction pipe 14 and exhaust it outdoors through the smoke exhaust pipe 15.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A fire damper for exhaust ducts with a smoke detection device, characterized in that, include: Fire damper body (1), wherein a smoke detector (10) is installed inside the fire damper body (1); The mounting assembly includes a mounting plate (2), a spring plate (4), and a wedge block (5). The mounting plate (2) is hinged to the fire damper body (1). The fire damper body (1) has a through mounting hole (3). The mounting plate (2) covers the mounting hole (3) and is fitted together. The smoke alarm (10) is installed inside the mounting plate (2). One end of the spring plate (4) is fixedly installed on the fire damper body (1). The wedge block (5) is fixedly installed on one side of the spring plate (4). A fixing component for fixing the smoke alarm (10).

2. A fire damper for exhaust ducts with a smoke detection device according to claim 1, characterized in that, in: The fixing component includes two positioning blocks (6) and two T-shaped blocks (8). The two positioning blocks (6) are fixedly installed on the inner side of the mounting plate (2), and the two T-shaped blocks (8) are fixedly installed on both sides of the smoke alarm (10). A T-shaped groove (7) is provided through one side of the positioning block (6), and a wedge-shaped rubber block (9) is fixedly installed in the T-shaped groove (7).

3. A fire damper for exhaust ducts with a smoke detection device according to claim 1, characterized in that, in: A fan (13) is fixedly installed on the fire damper body (1). A smoke extraction pipe (14) is fixedly connected to the air inlet end of the fan (13). The smoke extraction pipe (14) is fixedly installed through the top of the fire damper body (1). A smoke exhaust pipe (15) is fixedly connected to the air outlet end of the fan (13).

4. A fire damper for exhaust ducts with a smoke detection device according to claim 3, characterized in that, in: A controller (16) is fixedly installed on the fire damper body (1), and the controller (16) is electrically connected to the smoke alarm (10) and the exhaust fan (13).

5. A fire damper for exhaust ducts with a smoke detection device according to claim 1, characterized in that, in: The mounting plate (2) is provided with a through hole (11), through which the wire of the smoke alarm (10) passes.

6. A fire damper for exhaust ducts with a smoke detection device according to claim 1, characterized in that, in: A sealing gasket (12) is fixedly provided at the bottom of the mounting plate (2), and the sealing gasket (12) is abutted against the top of the fire damper body (1).

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