Fireproof door monitoring module
By using a servo motor to drive the rotating shaft and a linear drive module, combined with a temperature/smoke detector, the problem of fire doors failing to close in time is solved, enabling automatic or manual control of fire-resistant roller shutters, ensuring fire isolation, and improving fire safety.
Patent Information
- Application Number
- CN202520480729.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing fire doors cannot be manually closed in time during a fire, affecting their fire protection effectiveness.
The fireproof rolling shutter door is automatically or manually controlled by a servo motor to drive the shaft, combined with a linear drive module and a temperature/smoke detector. The counterweight and telescopic rod ensure automatic unrolling in case of malfunction.
In emergency situations, the automatic or manual control of fire-resistant rolling shutters can be achieved to ensure fire isolation and improve the safety and reliability of fire doors.
Smart Images

Figure CN223908136U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire fighting device technical field, especially a fireproof door monitoring module. BACKGROUND
[0002] Fireproof door is an important passive fire protection facility, its core function is to delay the spread of fire and smoke when fire occurs, and to gain time for personnel evacuation and fire rescue. Fireproof doors play a crucial role in buildings, mainly in the following aspects: preventing fire spread: fireproof doors can effectively block the spread of fire, limiting the fire within a certain range, thereby extending the evacuation time and improving the safety of escape. Heat protection: fireproof doors can withstand high temperatures for a certain period of time, providing heat protection and preventing heat from the fire from being transmitted to the other side of the room. Reduce smoke spread: fireproof doors have sealing properties that can reduce the spread of smoke, protect people from smoke, and improve escape efficiency. Prevent fire spread path: fireproof doors can prevent fire from spreading along the passageway, protecting the safety of other areas. Fire compartment: fireproof doors serve as fire compartments in buildings, dividing the building into multiple independent fire compartments to improve the overall fire performance of the building. Provide escape routes: fireproof doors, as part of the important safety exits and evacuation routes within buildings, ensure quick opening in emergency situations, providing unobstructed escape routes for personnel safety. Protect property: By limiting the spread of fire and smoke, fireproof doors help reduce damage to property within buildings, protecting important facilities and assets. Fire-resistant insulation: Depending on the different grades of fireproof doors (such as Class A, Class B, Class C, etc.), they can provide different lengths of fire-resistant insulation, protecting the area behind the door from high temperatures. Isolate smoke: Fireproof doors can effectively block toxic smoke and hot air generated by fire, slow down the spread of smoke, protect people from smoke, reduce the risk of suffocation and poisoning, and ensure the safety of evacuation routes.
[0003] The above prior art solution has the following defects: In actual use, the opening and closing of the fireproof door needs to be manually controlled, which causes the fireproof door to be unable to close in time in the face of some rapidly developing fire, resulting in great impact. UTILITY MODEL CONTENT
[0004] The utility model aims to provide a fireproof door monitoring module to solve the problems of the prior art.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions:
[0006] The fireproof door monitoring module comprises a temperature detector, a rotating shaft, a servo motor and a linear drive module, the fireproof rolling shutter door is installed on the rotating shaft, the linear drive module is arranged at one end of the rotating shaft and provided with an internal hexagonal countersunk hole, one side of the rotating shaft provided with the internal hexagonal countersunk hole, the servo motor is fixedly installed on the driving part of the linear drive module, a hexagonal wrench is sleeved on the output shaft of the servo motor, the hexagonal wrench is matched with the internal hexagonal countersunk hole, and the temperature detector is connected with the servo motor through a wired electrical signal.
[0007] By adopting the above technical scheme, the servo motor can drive the rotating shaft to rotate, the rolling and unrolling of the fireproof rolling shutter door installed on the rotating shaft are realized, and because the servo motor can realize transmission separation through the linear drive module, when an emergency occurs, the unrolling of the fireproof rolling shutter door can be realized through manual pulling to play a role in fire isolation, and the problem that the traditional fireproof rolling shutter door brake structure cannot be manually driven is solved.
[0008] In further embodiments, the outer bottom end of the fireproof rolling shutter door is provided with a plurality of accommodating grooves, a counterweight is fixedly installed in the accommodating groove, and a telescopic rod is arranged below the two ends of the rotating shaft, and the telescopic rod is used to prevent the fireproof rolling shutter door from being naturally unrolled.
[0009] By adopting the above technical scheme, the rolling shutter door installed on the rotating shaft always bears the unrolling force of gravity, and when a fire occurs, the fireproof rolling shutter door can also be naturally unrolled after the telescopic rod is recovered, so that the safety of the fireproof rolling shutter door is greatly improved.
[0010] In further embodiments, the two ends of the rotating shaft are provided with door frames, one end of the telescopic rod is rotatably installed in the door frame, the other end of the rotating shaft is provided with a supporting device, the supporting device comprises a first fixed block, a second fixed block and a wire rope, the first fixed block and the second fixed block are installed on the door frame, and the first fixed block and the second fixed block are respectively used to fixedly connect the two ends of the wire rope, and the wire rope is used to support the telescopic rod.
[0011] By adopting the above technical scheme, when a fire occurs, it is assumed that all the machines have failed, the fire will burn the wire rope, the telescopic rod loses the blocking effect of the fireproof rolling shutter unrolling, and the fireproof rolling shutter door is automatically unrolled under the action of gravity to play a role in fire isolation.
[0012] In further embodiments, a smoke detector is arranged on the fireproof rolling shutter door, and the smoke detector is connected with the servo motor through a wired electrical signal.
[0013] In further embodiments, the periphery of the internal hexagonal countersunk hole is provided with an acute angle rounding structure.
[0014] In further embodiments, the top end of the door frame is provided with an upper limiting protrusion for limiting the maximum winding position of the fireproof rolling shutter door.
[0015] In summary, the utility model has the following beneficial effects:
[0016] 1. The rotation of the rotating shaft can be driven by the servo motor to realize the winding and unwinding of the fireproof rolling shutter door installed on the rotating shaft, and because the servo motor can realize transmission separation through the linear driving module, the unwinding of the fireproof rolling shutter door can be realized by manual pulling in an emergency, thereby playing a role in fire isolation and solving the problem of manual driving caused by the traditional fireproof rolling shutter door braking structure. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the overall structure schematic diagram of the utility model;
[0018] Figure 2 is the internal structure schematic diagram of the door frame for embodying the utility model.
[0019] In the figure, 1, temperature detector; 2, rotating shaft; 3, servo motor; 4, linear driving module; 5, fireproof rolling shutter door; 6, counterweight; 7, telescopic rod; 8, supporting device; 9, smoke detector. DETAILED DESCRIPTION
[0020] The utility model will be further described in detail below in combination with the drawings.
[0021] Wherein, same parts are indicated by same reference numerals in the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the direction towards or away from the specific part geometry Figure 1 , in addition, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0022] Example 1:
[0023] As Figures 1-2As shown, a fireproof door monitoring module comprises a temperature detector 1, a rotating shaft 2, a servo motor 3 and a linear drive module 4, the rotating shaft 2 is provided with a fireproof roller shutter door 5, the linear drive module 4 is arranged at one end of the rotating shaft 2 and is provided with an internal hexagonal countersunk hole, the rotating shaft 2 is provided with an internal hexagonal countersunk hole on one side, the servo motor 3 is fixedly installed on the driving part of the linear drive module 4, a hexagonal wrench is sleeved on the output shaft of the servo motor 3, the hexagonal wrench is matched with the internal hexagonal countersunk hole, the rotating speed of the servo motor 3 is not fast, when the output shaft of the servo motor is close to the rotating shaft in the linear drive module 4 (similar to telescopic air cylinder, linear drive motor, etc. which can be used as linear drive device), the angle problem between the hexagonal wrench and the internal hexagonal countersunk hole can be ignored due to the rotating speed problem, in order to reduce the docking difficulty, the end of the hexagonal wrench close to the servo motor 3 can be slidingly installed in a sleeve, then the sleeve is sleeved on the output shaft of the servo motor 3, finally a reset spring located in the sleeve is arranged at the end of the hexagonal wrench close to the output shaft of the servo motor, and the maximum pop-out distance of the hexagonal wrench is limited through the structure inside the sleeve, which has a structure similar to a universal wrench, avoiding the problem of high-precision positioning required for the docking of the hexagonal wrench and the internal hexagonal countersunk hole; the temperature detector 1 and the servo motor 3 are connected by wired electrical signal, the outer bottom end of the fireproof roller shutter door 5 is provided with a plurality of accommodating grooves, the accommodating grooves are fixedly installed with counterweights 6, the lower sides of the two ends of the rotating shaft 2 are provided with telescopic rods 7, the telescopic rods 7 are used to prevent the fireproof roller shutter door 5 from being naturally unwound, the two ends of the rotating shaft 2 are provided with door frames, one end of the telescopic rod is rotatably installed in the door frame, the other end of the rotating shaft 2 is provided with a supporting device 8, the supporting device 8 comprises a first fixed block, a second fixed block and a wire rope, the first fixed block and the second fixed block are installed on the door frame, and the first fixed block and the second fixed block are respectively used to fixedly connect the two ends of the wire rope, the wire rope is used to support the telescopic rod, a smoke detector 9 is arranged on the fireproof roller shutter door 5, the smoke detector 9 and the servo motor 3 are connected by wired electrical signal, the periphery of the internal hexagonal countersunk hole is provided with an acute angle rounding structure, the top end of the door frame is provided with an upper limit protrusion, the upper limit protrusion is used to limit the maximum winding position of the fireproof roller shutter door 5.
[0024] Specific implementation process: the servo motor can drive the rotating shaft to rotate, realizing the winding and unwinding of the fireproof roller shutter door installed on the rotating shaft, and because the servo motor can realize transmission separation through the linear drive module, when an emergency occurs, the unwinding of the fireproof roller shutter door can be realized by manual pulling to play a role in fire isolation, solving the problem of manual driving caused by the traditional fireproof roller shutter door braking structure.
[0025] In the embodiments disclosed by the utility model, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, or detachable connection, or integrally connected; "connection" can be direct connection, or indirect connection through an intermediate medium.
[0026] The specific embodiments are merely illustrative of the utility model, and are not a limitation of the utility model, and those skilled in the art can make modifications to the embodiments without creative contribution according to the needs after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.
Claims
1. A fire door monitoring module, characterized in that: The device includes a temperature detector (1), a rotating shaft (2), a servo motor (3), and a linear drive module (4). A fireproof roller shutter door (5) is installed on the rotating shaft (2). The linear drive module (4) is spaced apart on one end of the rotating shaft (2) and has an internal hexagon countersunk hole. The servo motor (3) is fixedly installed on the drive part of the linear drive module (4). A hexagonal wrench is fitted on the output shaft of the servo motor (3). The hexagonal wrench is adapted to the internal hexagon countersunk hole. The temperature detector (1) is connected to the servo motor (3) by a wired signal.
2. The fire door monitoring module according to claim 1, characterized in that: The fireproof rolling shutter door (5) has multiple receiving slots at its outer bottom end. A counterweight (6) is fixedly installed in the receiving slot. Telescopic rods (7) are provided on both sides of the shaft (2). The telescopic rods (7) are used to prevent the fireproof rolling shutter door (5) from rolling down naturally.
3. A fire door monitoring module according to claim 2, characterized in that: Both ends of the pivot (2) are provided with door frames. One end of the telescopic rod (7) is rotatably installed inside the door frame. The other end of the pivot (2) is provided with a support device (8). The support device (8) includes a first fixing block, a second fixing block and a rope. The first fixing block and the second fixing block are both installed on the door frame. The first fixing block and the second fixing block are respectively used to fix the two ends of the connecting rope. The rope is used to support the telescopic rod.
4. A fire door monitoring module according to claim 1, characterized in that: The fireproof rolling shutter door (5) is equipped with a smoke detector (9), and the smoke detector (9) is connected to the servo motor (3) by wired electrical signal.
5. A fire door monitoring module according to claim 1, characterized in that: The periphery of the internal hexagon countersunk hole is provided with an acute-angle rounded structure.
6. A fire door monitoring module according to claim 3, characterized in that: The top of the door frame is provided with an upper limit protrusion, which is used to limit the maximum rolling position of the fireproof roller shutter door (5).