Intelligent anti-smoke exhaust system
The intelligent smoke control system automatically closes windows and activates ventilation fans via smoke sensors, solving the problem of smoke spread and achieving effective smoke control and safe evacuation during a fire.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHONGQING ARCH AGE DESIGN
- Filing Date
- 2025-08-22
- Publication Date
- 2026-08-04
AI Technical Summary
In the event of a fire, existing smoke control systems can allow smoke to easily spread through windows to corridors and adjacent areas, causing rapid contamination of non-fired areas and affecting the safety of personnel evacuation.
Design an intelligent smoke control system that uses smoke sensors to detect smoke, automatically closes windows and starts an exhaust fan to expel smoke through an exhaust duct. The system uses gears, synchronous pulleys, synchronous belts and motors to drive the automatic closing of the window panels, and combines the exhaust fan and exhaust duct to achieve smoke control.
It effectively prevents smoke from spreading to corridors and other rooms, ensures the safety of evacuation routes, and improves smoke control during a fire.
Smart Images

Figure CN224593395U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of smoke control and exhaust systems, specifically an intelligent smoke control and exhaust system. Background Technology
[0002] In modern building engineering, fire safety is a core element in ensuring the safety of people's lives and property. Smoke control and exhaust systems, as crucial facilities for responding to fires, directly impact smoke control effectiveness and evacuation efficiency during a fire. These systems primarily use mechanical or natural methods to effectively control and remove smoke from buildings during a fire, while replenishing fresh air to ensure visibility in evacuation routes and safe areas, reduce the harm of toxic and harmful components in smoke, and create favorable conditions for firefighting and rescue operations. With increasing building height and more complex internal structures, the requirements for intelligent and integrated smoke control and exhaust systems are also gradually increasing. Achieving automatic response and precise operation through technological innovation has become an important direction for improving the fire safety level of buildings.
[0003] However, existing smoke control systems have certain limitations. Some systems only focus on the smoke extraction function. When a fire occurs, indoor smoke can easily spread to corridors and adjacent areas through windows and other openings. When a fire occurs, people inside often prioritize evacuation and cannot close windows at the same time, which leads to the rapid contamination of non-fire areas and increases the risk on the evacuation route. Utility Model Content
[0004] The purpose of this invention is to provide an intelligent smoke control system to solve the problem mentioned in the background art that when a fire occurs, indoor smoke can easily spread to corridors and adjacent areas through windows and other openings, causing non-fired areas to be rapidly contaminated.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] An intelligent smoke control and exhaust system includes a window frame, a switch assembly is provided on the top inner side of the window frame, and a smoke exhaust assembly is provided at the front top of the window frame;
[0007] The switch assembly includes gears, and a contact sensor is provided on one side inside the window frame;
[0008] The smoke exhaust assembly includes a smoke exhaust frame, with multiple smoke exhaust pipes installed on the top of the smoke exhaust frame, and an air intake fan installed inside the smoke exhaust pipes.
[0009] In a preferred embodiment of the present invention, a first window panel is fixedly disposed at the rear of the interior of the window frame, and a second window panel is slidably disposed at the front of the interior of the window frame.
[0010] In a preferred embodiment of this utility model, the gear is rotatably mounted, and a rack is provided on the top of the second window panel, with the gear meshing with the rack.
[0011] In a preferred embodiment of this utility model, a protrusion is provided on one side of the second window panel, and the protrusion engages with the sensor.
[0012] In a preferred embodiment of this utility model, a motor is provided on one side above the smoke exhaust frame, and a first synchronous pulley is provided on the output end of the motor.
[0013] In a preferred embodiment of this utility model, a second synchronous pulley is provided in front of the gear, and the first synchronous pulley and the second synchronous pulley are meshed by a synchronous belt.
[0014] In a preferred embodiment of this utility model, the tops of the plurality of exhaust pipes are merged into a connecting pipe, which is connected to and communicates with the exhaust pipes.
[0015] In a preferred embodiment of this utility model, a filter screen is provided at the bottom of the smoke exhaust frame, and a smoke sensor is provided on one side of the front of the smoke exhaust frame.
[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
[0017] Beneficial effects: Smoke is detected by a smoke sensor. When the smoke sensor detects smoke, the motor drives the first synchronous pulley to rotate. Through the synchronous pulley and synchronous belt, the gear rotates and through the gear and rack transmission, the second window panel closes automatically. After closing, the protrusion contacts the contact sensor, and the motor stops rotating. This effectively prevents indoor smoke from flowing into the corridor and other rooms. When the smoke sensor detects smoke, multiple air intake fans start simultaneously to absorb the smoke at the window frame and deliver it to the smoke exhaust pipe.
[0018] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it according to the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. The specific implementation methods of this utility model are given in detail in the following embodiments and their accompanying drawings. Attached Figure Description
[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0020] Figure 1This is a schematic diagram of the main structure of an intelligent smoke control and exhaust system;
[0021] Figure 2 A schematic diagram of the front cross-sectional structure of the smoke exhaust frame in an intelligent smoke control and exhaust system;
[0022] Figure 3 A schematic diagram of the side cross-sectional structure of an intelligent smoke control and exhaust system;
[0023] Figure 4 This is a schematic diagram of the front cross-sectional structure of a window frame in an intelligent smoke control system.
[0024] In the diagram: 1. Window frame; 11. First window panel; 12. Second window panel; 13. Contact sensor; 14. Protrusion; 2. Smoke exhaust frame; 21. Smoke exhaust duct; 22. Suction fan; 23. Connecting pipe; 24. Filter screen; 3. Gear; 31. Second synchronous pulley; 32. Motor; 33. First synchronous pulley; 34. Rack; 4. Smoke sensor. Detailed Implementation
[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0026] Please refer to Figures 1-4 This utility model discloses an intelligent smoke control system, including a window frame 1. The window frame 1 is an indoor window frame, typically located between a room and a corridor, rather than an outdoor window frame. The front of the window frame 1 is indoors, referring to public places such as offices, which are equipped with smoke detectors. When smoke is detected during a fire, the existing smoke detectors will alert the indoor staff to evacuate. The rear of the window frame 1 is located in a corridor or passageway. A first window panel 11 is fixedly installed at the rear of the window frame 1, and a second window panel 12 is slidably installed at the front of the window frame 1. The window is opened and closed by sliding the second window panel 12. A smoke exhaust assembly is installed at the top front of the window frame 1, including a smoke exhaust frame 2. The smoke exhaust frame 2 is fixedly installed at the top front of the window frame 1, and a smoke sensor 4 is installed on one side of the front of the smoke exhaust frame 2 to detect smoke.
[0027] A switch assembly, including a gear 3, is installed on the top inner side of the window frame 1. A contact sensor 13 is installed on one side inside the window frame 1. The gear 3 is rotatably mounted. A rack 34 is installed on the top of the second window panel 12, and the gear 3 meshes with the rack 34. A protrusion 14 is installed on one side of the second window panel 12, and the protrusion 14 abuts the contact sensor 13. A motor 32, a servo motor, is installed on one side above the smoke exhaust frame 2. The motor 32 does not have a braking structure inside. A first synchronous pulley 33 is installed on the output end of the motor 32, and a second synchronous pulley 3 is installed in front of the gear 3. 1. The first synchronous pulley 33 and the second synchronous pulley 31 are engaged by a synchronous belt. The motor 32 is electrically connected to the smoke sensor 4 and the contact sensor 13. When the smoke sensor 4 detects smoke, the motor 32 drives the first synchronous pulley 33 to rotate. Through the synchronous pulley and the synchronous belt, the gear 3 rotates. Through the rack 34 of the gear 3, the second window panel 12 is automatically closed. After closing, the protrusion 14 contacts the contact sensor 13. At this time, the motor 32 stops rotating, which can effectively prevent indoor smoke from flowing into the corridor and other rooms.
[0028] The top of the smoke exhaust frame 2 is equipped with multiple smoke exhaust pipes 21, and the smoke exhaust pipes 21 are equipped with suction fans 22. The tops of the multiple smoke exhaust pipes 21 are merged into a connecting pipe 23, which is directly connected to the indoor smoke exhaust pipe. The bottom of the smoke exhaust frame 2 is equipped with a filter screen 24, which filters dust and impurities to prevent impurities from entering the smoke exhaust frame 2. The suction fans 22 are driven by a motor. The smoke sensor 4 is electrically connected to the motor of the suction fan 22. When the smoke sensor 4 detects smoke, the multiple suction fans 22 start simultaneously to absorb the smoke at the window frame 1 and deliver it to the smoke exhaust pipe. On the other side above the smoke exhaust frame 2, a storage battery and a PLC intelligent controller are provided for controlling and supplying power to all electrical equipment in the structure. All electrical equipment in the device, including sensors, are controlled by the PLC intelligent controller. Equipment that needs to be debugged in advance is debugged in advance, which is a conventional technical method for those skilled in the art. Equipment that needs to be connected to electricity can have wiring ports or wiring slots opened in appropriate positions on the structure so that the storage battery can easily supply power to it.
[0029] The working principle of this utility model is as follows: Smoke is detected by smoke sensor 4. When smoke is detected, the existing smoke alarm in the room will alert the staff in advance so that they can evacuate. When smoke sensor 4 detects smoke, motor 32 drives the first synchronous pulley 33 to rotate. Through synchronous pulley and synchronous belt, gear 3 rotates. Through gear 3 and rack 34, the second window panel 12 is automatically closed. After closing, the protrusion 14 contacts the contact sensor 13, and motor 32 stops rotating. This effectively prevents the smoke in the room from flowing to the corridor and other rooms. When smoke sensor 4 detects smoke, multiple suction fans 22 start at the same time to absorb the smoke at the window frame 1 and deliver it to the smoke exhaust pipe.
[0030] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. An intelligent smoke control and exhaust system, characterized in that: Includes a window frame (1), a switch assembly is provided on the top inner side of the window frame (1), and a smoke exhaust assembly is provided at the front top of the window frame (1); The switch assembly includes a gear (3), and a contact sensor (13) is provided on one side inside the window frame (1); The smoke exhaust assembly includes a smoke exhaust frame (2), and a plurality of smoke exhaust pipes (21) are provided on the top of the smoke exhaust frame (2), and an air intake fan (22) is provided inside the smoke exhaust pipes (21).
2. The intelligent smoke control and exhaust system according to claim 1, characterized in that, A first window panel (11) is fixedly installed at the rear of the inside of the window frame (1), and a second window panel (12) is slidably installed at the front of the inside of the window frame (1).
3. The intelligent smoke control and exhaust system according to claim 2, characterized in that, The gear (3) is rotatably mounted, and a rack (34) is provided on the top of the second window panel (12), and the gear (3) meshes with the rack (34).
4. The intelligent smoke control and exhaust system according to claim 2, characterized in that, A protrusion (14) is provided on one side of the second window panel (12), and the protrusion (14) docks with the contact sensor (13).
5. The intelligent smoke control and exhaust system according to claim 1, characterized in that, A motor (32) is provided on one side above the smoke exhaust frame (2), and a first synchronous pulley (33) is provided on the output end of the motor (32).
6. The intelligent smoke control and exhaust system according to claim 5, characterized in that, A second synchronous pulley (31) is provided in front of the gear (3), and the first synchronous pulley (33) and the second synchronous pulley (31) mesh with each other via a synchronous belt.
7. The intelligent smoke control and exhaust system according to claim 1, characterized in that, The tops of the multiple exhaust pipes (21) are merged into a connecting pipe (23), which connects to and communicates with the exhaust pipes.
8. The intelligent smoke control system according to claim 1, characterized in that, The bottom of the smoke exhaust frame (2) is provided with a filter screen (24), and a smoke sensor (4) is provided on the front side of the smoke exhaust frame (2).