Debugging device of fire-fighting smoke exhaust system

By designing a clamping ring and a fixed rod structure in the fire smoke exhaust system, the wind speed sensor is accurately positioned in the center of the smoke exhaust duct, solving the problem of large measurement errors in existing devices and achieving more accurate wind speed testing.

CN223470815UActive Publication Date: 2025-10-24ANHUI ANHONG CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202422999045.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-24
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

When the debugging device of the existing fire smoke exhaust system is installed inside the pipeline, the airflow is blocked, resulting in large errors in the wind speed measurement results, affecting the test accuracy.

Method used

A debugging device for a fire smoke exhaust system was designed. The wind speed sensor was fixed in the center of the smoke exhaust duct using a clamping ring and a fixing rod structure, with only a portion of the sensor placed inside the duct. The position of the clamping plate was adjusted by bolts and screws to adapt to different pipe diameters, ensuring accurate positioning of the sensor.

Benefits of technology

The accuracy of wind speed measurement is improved, the impact of obstruction on airflow is reduced, and more accurate wind speed data of the smoke exhaust system is obtained.

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    Figure CN223470815U_ABST
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Abstract

The utility model relates to a debugging device of a fire-fighting smoke exhaust system, which comprises a smoke exhaust pipeline, a fixed frame is arranged below the smoke exhaust pipeline, a wind speed sensor is fixedly arranged in the middle of the fixed frame, clamping rings are arranged on both sides of the smoke exhaust pipeline, the clamping rings move in opposite directions or in opposite directions, the clamping rings are fixed on the side wall of the smoke exhaust pipeline, and the position of the fixed frame is fixed. According to the scheme, a bolt is rotated to move a clamping plate, the position of the clamping plate is adjusted according to the diameter of a smoke exhaust pipeline, a wind speed sensor is located in the center of the smoke exhaust pipeline, and a bidirectional screw is rotated to enable two clamping rings to be close to each other and abut against the side wall of the smoke exhaust pipeline, so that the device is fixed, and an air pump of the smoke exhaust pipeline is started; the wind speed sensor is used for testing the smoke exhaust system, and according to the device, only the wind speed sensor and one part of the connecting rod are arranged in the smoke exhaust pipeline, so that the measured result is more accurate.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of fire smoke exhaust, in particular to a debugging device of a fire smoke exhaust system. BACKGROUND

[0002] The fire smoke exhaust system is an indispensable part of the modern building safety system, which provides a valuable time window for personnel evacuation and fire rescue by effectively controlling the smoke generated by fire. In a fire, smoke not only contains a large amount of toxic and harmful substances, but also has the characteristics of high temperature and light shielding, which can easily cause casualties. Therefore, a reasonable and standardized fire smoke exhaust system is crucial to ensure personnel safety and building structural integrity. The debugging of the fire smoke exhaust system is an important link to ensure the normal operation of the system and meet the requirements of fire safety.

[0003] An important part of the debugging of the fire smoke exhaust system is to measure the smoke exhaust speed to detect whether the smoke exhaust speed of the fire smoke exhaust system meets the needs when a fire occurs. The 'CN213022330U' debugging device of a novel fire smoke exhaust system is disclosed in the 'CN213022330U' debugging device of a novel fire smoke exhaust system.

[0004] The distance between the two bottom plates is adjusted by the elastic expansion and contraction between the sleeve, the telescopic rod and the spring, so that the entire device can be installed inside the air duct of different thicknesses. The installation is simple, and the application range is wider. However, the above debugging device is installed inside the pipe through the sleeve, the telescopic rod and the spring, and the airflow is blocked by the equipment and can only pass through the first mesh. This design affects the actual wind speed inside the pipe, and the measurement result error is large. Therefore, to solve the above problems, the application provides a debugging device of a fire smoke exhaust system. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problem that the whole device is located inside the pipe and affects the test result, the application provides a debugging device of a fire smoke exhaust system.

[0006] The debugging device of the fire smoke exhaust system provided by the application comprises a smoke exhaust pipe, a fixed frame is arranged below the smoke exhaust pipe, a wind speed sensor is fixedly arranged in the middle of the fixed frame, clamping rings are arranged on both sides of the smoke exhaust pipe, the clamping rings move towards each other or move in opposite directions, the clamping rings are fixed to the side wall of the smoke exhaust pipe, and the position of the fixed frame is fixed.

[0007] Preferably, fixed rods are fixedly arranged at four corners of the upper wall of the fixed frame, two fixed rods on the same side form a group, a bidirectional screw rod is rotatably arranged between the fixed rods in the group, and a sliding rod is fixedly arranged between the fixed rods in the other group.

[0008] Preferably, the clamping ring is fixed with a fixed plate at both ends, the bidirectional screw rod is fixed through the fixed plate and is threadedly connected with both of them, and the screw thread directions at the connection are opposite, and the sliding rod is fixed through the fixed plate and is slidingly connected with both of them.

[0009] Preferably, the clamping ring is provided with a groove on the opposite side wall, and is provided with a clamping plate on the opposite side, and the clamping ring is provided with a bolt through and is threadedly connected, the bolt is rotationally connected with the clamping plate, and the clamping plate can be slid into the groove during movement.

[0010] Preferably, the fixed frame is fixedly connected with the wind speed sensor through four connecting rods, the connecting rod is an inclined rod, and the upper end is away from the fixed frame.

[0011] Preferably, the fixed frame is fixedly provided with a power supply and a processor on the upper wall, the power supply supplies power to the processor and the wind speed sensor, and the wind speed sensor is in communication connection with the processor.

[0012] In summary, the present application has the following beneficial technical effects:

[0013] By rotating the bolt, the clamping plate is moved, the position of the clamping plate is adjusted according to the diameter of the smoke exhaust pipe, the wind speed sensor is located in the center of the smoke exhaust pipe, the bidirectional screw rod is rotated, the two clamping rings are close to each other and abut against the side wall of the smoke exhaust pipe, so as to fix the device, the air pump of the smoke exhaust pipe is started, and the wind speed sensor tests the smoke exhaust system. Compared with the prior art, only the wind speed sensor and part of the connecting rod are placed in the smoke exhaust pipe, and the measured result is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a first perspective view of the overall structure in embodiment one of the present application;

[0015] Fig. 2 is a second perspective view of the overall structure in embodiment one of the present application;

[0016] Fig. 3 is a schematic view of the internal structure of the clamping ring in embodiment one of the present application.

[0017] BRIEF DESCRIPTION OF DRAWINGS 1, smoke exhaust pipe; 2, fixed frame; 3, fixed rod; 4, clamping ring; 5, fixed plate; 6, bidirectional screw rod; 7, sliding rod; 8, bolt; 9, clamping plate; 10, groove; 11, connecting rod; 12, wind speed sensor; 13, power supply; 14, processor. DETAILED DESCRIPTION

[0018] The following will be described in detail in combination with the accompanying drawings Figs. 1-3 The present application will be further described in detail.

[0019] Embodiment one

[0020] Referring to Figs. 1-3 The utility model provides a kind of debugging device of fire-fighting smoke exhaust system, including smoke exhaust duct 1, fixed frame 2 is arranged below smoke exhaust duct 1, wind speed sensor 12 is fixedly arranged in the middle of fixed frame 2, wind speed sensor 12 is common wind speed sensing device on market, can adopt miniature omnidirectional wind speed sensor (thermal wind speed sensor), it is existing mature technology.Wind speed sensor 12 is fixedly connected by four connecting rods 11 with fixed frame 2, connecting rod 11 is inclined bar, and upper end is away from the setting of fixed frame 2, so that wind speed sensor 12 can be located inside smoke exhaust duct 1 when installing, and the test result obtained is more accurate.Connecting rod 11 is designed smaller in the case where wind speed sensor 12 is stably supported, to reduce its influence on test result.

[0021] Power supply 13 and processor 14 are fixedly arranged on the upper wall of fixed frame 2, power supply 13 supplies power to processor 14 and wind speed sensor 12, wind speed sensor 12 is communicatively connected with processor 14, and the result measured by wind speed sensor 12 can be sent to external equipment after being processed by processor 14.Relevant electrical circuit can be installed in connecting rod 11, to reduce the influence of line on measurement result.

[0022] Both sides of smoke exhaust duct 1 are provided with clamping ring 4, the opposite side wall of clamping ring 4 is provided with recess 10, the opposite side of clamping ring 4 is provided with clamping plate 9, clamping ring 4 is throughly provided and is threadedly connected with bolt 8, bolt 8 is rotatably connected with clamping plate 9, in the moving process of clamping plate 9, it can be slid into recess 10, when the size of smoke exhaust duct 1 is larger, it does not affect the abutment of clamping ring 4 to the side wall of smoke exhaust duct 1.

[0023] Fixed rod 3 is fixedly arranged on the upper wall of fixed frame 2 at four corners, two fixed rods 3 on the same side form a group, bidirectional screw rod 6 is rotatably arranged between a group of fixed rods 3, and slide rod 7 is fixedly arranged between another group of fixed rods 3.Both ends of clamping ring 4 are fixedly provided with fixed plate 5, bidirectional screw rod 6 is through fixed plate 5 and is threadedly connected with both, and the thread direction of connection is opposite, and slide rod 7 is through fixed plate 5 and is slidably connected with both.

[0024] In the process of actual use, if the diameter of smoke exhaust duct 1 is smaller, rotate bolt 8 to make clamping plate 9 move, move wind speed sensor 12 to the inside center of smoke exhaust duct 1, rotate bidirectional screw rod 6, so that two clamping rings 4 are close to each other, and clamping ring 4 or clamping plate 9 abuts against the side wall of smoke exhaust duct 1, so as to fix the device, rubber can be arranged on the opposite side of clamping ring 4 and clamping plate 9 to increase friction. Start the air pump of smoke exhaust duct 1, and wind speed sensor 12 tests the smoke exhaust system, the device only places wind speed sensor 12 and part of connecting rod 11 in smoke exhaust duct 1, and the measured result is more accurate.

[0025] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0026] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0027] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

[0028] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application, should be covered within the protection scope of the present application.

Claims

1. A commissioning device for a fire smoke extraction system comprising a smoke extraction duct (1), characterized in that: The smoke exhaust duct (1) is provided below with a fixed frame (2), a wind speed sensor (12) is fixedly arranged in the middle of the fixed frame (2), clamping rings (4) are arranged on both sides of the smoke exhaust duct (1), the clamping rings (4) move towards each other or move in opposite directions, the clamping rings (4) are fixed to the side walls of the smoke exhaust duct (1), and the position of the fixed frame (2) is fixed.

2. A commissioning device for a fire smoke control system according to claim 1, characterised in that: The upper wall of the fixed frame (2) is provided with fixed rods (3) at four corners, two fixed rods (3) on the same side form a group, a bidirectional screw rod (6) is rotatably arranged between the fixed rods (3) in the group, and another group of fixed rods (3) is fixedly provided with a sliding rod (7).

3. A commissioning device for a fire smoke control system according to claim 2, wherein: The clamping ring (4) is provided with fixed plates (5) at both ends, the bidirectional screw rod (6) is arranged through the fixed plates (5) and is threadedly connected with the fixed plates (5), the threaded directions of the connection portions are opposite, and the sliding rod (7) is arranged through the fixed plates (5) and is slidingly connected with the fixed plates (5).

4. A commissioning device for a fire smoke control system according to claim 1, wherein: The opposite side walls of the clamping ring (4) are provided with grooves (10), the opposite sides of the clamping ring (4) are provided with clamping plates (9), the clamping ring (4) is provided with a bolt (8) arranged through and threadedly connected, the bolt (8) is rotatably connected with the clamping plate (9), and the clamping plate (9) can be slid into the groove (10) during movement.

5. A commissioning device for a fire smoke control system according to claim 1, wherein: The fixed frame (2) is fixedly connected with the wind speed sensor (12) through four connecting rods (11), the connecting rods (11) are inclined rods, and the upper ends are arranged away from the fixed frame (2).

6. A commissioning device for a fire smoke control system according to claim 1, wherein: The upper wall of the fixed frame (2) is fixedly provided with a power supply (13) and a processor (14), the power supply (13) supplies power to the processor (14) and the wind speed sensor (12), and the wind speed sensor (12) is in communication connection with the processor (14).

Citation Information

Patent Citations

  • Debugging device of novel fire-fighting smoke exhaust system

    CN213022330U