Wireless smoke sensing monitoring device for fire fighting

The design of removing smoke particles through motor-driven bristles and extracting smoke from negative pressure fans solves the problem of smoke blockage, reduces replacement costs and ensures stable operation of the system.

CN223155539UActive Publication Date: 2025-07-25SHANGHAI SHANGZHENG CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422005078.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-19
Publication Date
2025-07-25
Estimated Expiration
2034-08-19

AI Technical Summary

Technical Problem

The smoke particles mixed in the smoke of existing fire-fighting wireless smoke sensing monitoring devices are prone to clogging the filter, resulting in an increase in replacement cost.

Method used

The rotating rod is rotated by a motor drive, and the bristles on the connecting brush plate remove smoke particles entering the inner wall of the chimney. The cleaned particles are discharged through the piston, combined with a negative pressure fan to extract smoke and use a buzzer alarm to alarm to discharge the detected smoke.

Benefits of technology

Effectively clean up smoke particles, reduce the replacement cost of the device, ensure the continuous operation of the system and environmental adaptability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223155539U_ABST
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Abstract

The utility model relates to the technical field of smoke sensing detection, in particular to a fire-fighting wireless smoke sensing monitoring device which comprises a mounting cylinder, a smoke inlet cylinder is communicated with the lower portion of the mounting cylinder, a plurality of holes are formed in the smoke inlet cylinder, a piston is arranged below the smoke inlet cylinder, and a plurality of supporting frames are fixedly mounted in the mounting cylinder. The other ends of the multiple supporting frames are jointly connected with a first bearing disc, a motor is installed on the first bearing disc, a protective cover is arranged on the first bearing disc, the motor is arranged in the protective cover, the motor drives a rotating rod to rotate through an output shaft of the motor, the rotating rod is connected with a pair of connecting rods, and brush plates are fixedly installed on the connecting rods. The brush bristles on the brush plate make contact with the inner wall of the smoke inlet barrel and are used for removing smoke particles adsorbed on the barrel wall, the removed smoke particles fall into the position below the smoke inlet barrel, the interior can be cleaned by opening the piston, and the problems that an existing device can only be replaced, and the use cost is increased are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of smoke detection, in particular to a wireless smoke detection device for fire protection. Background Art

[0002] In traditional fire monitoring systems, wired connections are usually used to connect smoke detectors to the central monitoring system. Although this method can monitor the smoke situation in real time, it has many deficiencies. First, the wiring is complex and the installation cost is high. Especially in large buildings or complex environments, the wiring workload is large and the construction difficulty increases. Second, in case of emergencies such as fires, the wired system is easily damaged, resulting in monitoring interruption and inability to issue alarms in a timely manner.

[0003] A Chinese patent with the publication number CN218159246U discloses a wireless smoke detection device for fire protection. The patent includes a fixing plate, the outer end of the fixing plate is movably sleeved with bolts, the lower end of the fixing plate is threadedly sleeved with a connecting block, an exhaust groove is formed in the outer side of the upper end of the connecting block, a movable groove is formed in the inner side of the connecting block, the lower end of the connecting block is threadedly sleeved with a support block, a filter screen is fixedly installed inside the support block, and two fixing components distributed up and down are movably sleeved in the middle of the connecting block. Through the cooperation of structures such as the fixing plate, the connecting block and the exhaust groove, the fixing plate is fixedly installed on the top of the ceiling through bolts, the smoke sensor and the fan are installed in the middle of the connecting block through the fixing components, and at the same time, the fixing plate and the connecting block, the connecting block and the support block are connected in a threaded connection form, so that it is convenient to disassemble during maintenance and replacement.

[0004] Based on the above search and in combination with the prior art, it is found that:

[0005] In the existing device, the fixing plate is fixedly installed on the top of the ceiling through bolts, the smoke sensor and the fan are installed in the middle of the connecting block through the fixing components, and at the same time, the fixing plate and the connecting block, the connecting block and the support block are connected in a threaded connection form, so that it is convenient to disassemble during maintenance and replacement. However, a large number of smoke particles are mixed in the smoke, and when the smoke enters through the filter screen, it will cause blockage of the filter screen. The existing device can only replace it, increasing the use cost. Summary of the Utility Model

[0006] To solve the above technical problems, the present utility model proposes a wireless smoke detector monitoring device for fire protection. The motor is arranged inside the protective cover and drives the rotating rod to rotate through its output shaft. The rotating rod is connected with a pair of connecting rods, and a brush plate is fixedly installed on the connecting rods. The bristles on the brush plate contact the inner wall of the smoke inlet tube to remove the smoke particles adsorbed on the tube wall. The cleaned smoke particles fall below the smoke inlet tube, and the inside can be cleaned by opening the piston, solving the problem that the existing device can only be replaced, increasing the use cost.

[0007] The technical solution for achieving the purpose of the present utility model is: a wireless smoke detector monitoring device for fire protection, including an installation cylinder, a smoke inlet tube is communicated below the installation cylinder, a plurality of holes are opened on the smoke inlet tube, a piston is arranged below the smoke inlet tube, a plurality of support frames are fixedly installed inside the installation cylinder, the other ends of the plurality of support frames are commonly connected to a first bearing plate, a motor is installed on the first bearing plate, a protective cover is arranged on the first bearing plate, the motor is arranged inside the protective cover, a rotating rod is rotatably connected below the first bearing plate, one end of the output shaft of the motor is connected to the rotating rod, a pair of connecting rods are fixedly installed on the rotating rod, the other ends of the pair of connecting rods are fixedly connected to a pair of brush plates respectively, and a plurality of bristles are installed on the pair of brush plates, and the plurality of bristles contact the inner wall of the smoke inlet tube.

[0008] In some embodiments, a negative pressure fan is installed inside the installation cylinder, and the negative pressure fan is arranged above the first bearing plate.

[0009] In some embodiments, a plurality of support rods are installed inside the installation cylinder, the other ends of the plurality of support rods are commonly connected to a second bearing plate, the second bearing plate is arranged above the negative pressure fan, an opening is opened on the second bearing plate, a placement rack is installed on the second bearing plate, and a smoke detector is installed on the placement rack, and the smoke detector is arranged above the opening.

[0010] In some embodiments, a plurality of buzzer alarms are installed on the second bearing plate, the plurality of buzzer alarms are electrically connected to the smoke detector, and a plurality of sound outlets are arranged on the installation cylinder, and the positions of the plurality of sound outlets correspond to the positions of the plurality of buzzer alarms respectively.

[0011] In some embodiments, a cylinder cover is arranged on the installation cylinder, a pair of exhaust pipes are communicated on the cylinder cover, a pair of connecting plates are installed on the cylinder cover, the other ends of the pair of connecting plates are commonly connected to a mounting plate, and a pair of threaded rods are threadedly connected to the mounting plate.

[0012] Compared with the prior art, the present utility model has the following remarkable advantages:

[0013] First: In the present utility model, the motor is arranged inside the protective cover and drives the rotating rod to rotate through its output shaft. The rotating rod is connected with a pair of connecting rods, and a brush plate is fixedly installed on the connecting rod. The bristles on the brush plate are in contact with the inner wall of the smoke inlet pipe to remove the smoke particles adsorbed on the pipe wall. The cleaned smoke particles fall below the smoke inlet pipe, and the inside can be cleaned by opening the piston, solving the problem that the existing device can only be replaced, increasing the use cost.

[0014] Second: In the present utility model, when the smoke detector detects that the smoke concentration exceeds the preset threshold, an alarm signal is triggered, and multiple buzzer alarms emit a sound alarm and are transmitted through the sound outlet. The exhaust pipe on the cylinder cover is used to discharge the detected smoke to keep the inside of the system clean. The connecting plate and the threaded rod are used to adjust the height of the installation cylinder to meet the detection requirements in different environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further explained below in conjunction with the drawings and embodiments:

[0016] Figure 1 is the overall three-dimensional structure schematic diagram provided by the present utility model in one embodiment;

[0017] Figure 2 is the exploded structure schematic diagram of the first bearing plate provided by the present utility model in one embodiment;

[0018] Figure 3 is the structure schematic diagram of the negative pressure fan provided by the present utility model in one embodiment;

[0019] Figure 4 is the structure schematic diagram of the smoke detector provided by the present utility model in one embodiment.

[0020] Explanation of the reference numerals in the drawings: 1. Installation cylinder; 2. Smoke inlet pipe; 3. Piston; 4. Support frame; 5. First bearing plate; 6. Motor; 7. Protective cover; 8. Rotating rod; 9. Connecting rod; 10. Brush plate; 11. Bristles; 12. Negative pressure fan; 13. Support rod; 14. Second bearing plate; 15. Opening; 16. Placing rack; 17. Smoke detector; 18. Buzzer alarm; 19. Sound outlet; 20. Cylinder cover; 21. Exhaust pipe; 22. Connecting plate; 23. Installation plate; 24. Threaded rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The present utility model will be described in detail below. The technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model provides a wireless smoke detector monitoring device for fire protection by means of improvement. The technical solution of the present utility model is as follows:

[0023] As Figures 1 - 4 shown, a wireless smoke detector monitoring device for fire protection includes an installation cylinder 1. A smoke inlet cylinder 2 is communicated below the installation cylinder 1. A plurality of holes are formed in the smoke inlet cylinder 2. A piston 3 is arranged below the smoke inlet cylinder 2. A plurality of support frames 4 are fixedly installed inside the installation cylinder 1. The other ends of the plurality of support frames 4 are commonly connected to a first bearing plate 5. A motor 6 is installed on the first bearing plate 5. A protective cover 7 is arranged on the first bearing plate 5. The motor 6 is arranged inside the protective cover 7. A rotating rod 8 is rotatably connected below the first bearing plate 5. The output shaft of the motor 6 is connected to one end of the rotating rod 8. A pair of connecting rods 9 are fixedly installed on the rotating rod 8. The other ends of the pair of connecting rods 9 are fixedly connected to a pair of brush plates 10 respectively. A plurality of bristles 11 are installed on the pair of brush plates 10. The plurality of bristles 11 are in contact with the inner wall of the smoke inlet cylinder 2. The bristles 11 on the brush plates 10 are in contact with the inner wall of the smoke inlet cylinder 2 for removing the smoke particles adsorbed on the cylinder wall. The cleaned smoke particles fall below the smoke inlet cylinder 2. The inside can be cleaned by opening the piston 3.

[0024] Furthermore, a negative pressure fan 12 is installed inside the installation cylinder 1. The negative pressure fan 12 is arranged above the first bearing plate 5.

[0025] Furthermore, a plurality of support rods 13 are installed inside the installation cylinder 1. The other ends of the plurality of support rods 13 are commonly connected to a second bearing plate 14. The second bearing plate 14 is arranged above the negative pressure fan 12. An opening 15 is formed in the second bearing plate 14. A placement rack 16 is installed on the second bearing plate 14. A smoke detector 17 is installed on the placement rack 16. The smoke detector 17 is arranged above the opening 15.

[0026] Furthermore, a plurality of buzzer alarms 18 are installed on the second bearing plate 14. The plurality of buzzer alarms 18 are all electrically connected to the smoke detector 17. A plurality of sound outlets 19 are arranged on the installation cylinder 1. The positions of the plurality of sound outlets 19 correspond to the positions of the plurality of buzzer alarms 18 respectively.

[0027] Furthermore, a cylinder cover 20 is arranged on the installation cylinder 1. A pair of exhaust pipes 21 are communicated on the cylinder cover 20. A pair of connecting plates 22 are installed on the cylinder cover 20. The other ends of the pair of connecting plates 22 are commonly connected to a mounting plate 23. A pair of threaded rods 24 are threadedly connected to the mounting plate 23. The connecting plates 22 and the threaded rods 24 are used to adjust the height of the installation cylinder 1.

[0028] The specific working method is as follows: The device sucks the smoke in the environment through multiple holes opened on the smoke inlet pipe 2. A plurality of support frames 4 are fixedly installed inside the installation cylinder 1 and are jointly connected to the first bearing plate 5. A motor 6 and a protective cover 7 are installed on the first bearing plate 5. The motor 6 is arranged inside the protective cover 7 and drives the rotating rod 8 to rotate through its output shaft. The rotating rod 8 is connected with a pair of connecting rods 9. The connecting rods 9 are fixedly installed with a brush plate 10. The bristles 11 on the brush plate 10 are in contact with the inner wall of the smoke inlet pipe 2 to remove the smoke particles adsorbed on the cylinder wall. The cleaned smoke particles fall below the smoke inlet pipe 2, and the inside can be cleaned by opening the piston 3, solving the problem that the existing device can only be replaced, increasing the use cost. The negative pressure fan 12 of the device is installed above the first bearing plate 5 to generate negative pressure to help extract the smoke into the smoke inlet pipe 2. The support rod 13 is connected to the second bearing plate 14. The second bearing plate 14 is arranged above the negative pressure fan 12. A smoke detector 17 is installed above the opening 15 to detect the smoke concentration. When the smoke detector 17 detects that the smoke concentration exceeds the preset threshold, an alarm signal is triggered, and a plurality of buzzer alarms 18 emit a sound alarm and are transmitted through the sound outlet 19. The exhaust pipe 21 on the cylinder cover 20 is used to discharge the detected smoke to keep the inside of the system clean. The connecting plate 22 and the threaded rod 24 are used to adjust the height of the installation cylinder 1 to meet the detection requirements in different environments.

[0029] The technical means disclosed in the solution of the present utility model are not limited to the technical means disclosed by the above technical means, but also include the technical solutions composed of equivalent replacements of the above technical features. The matters not covered in the present utility model belong to the common general knowledge of those skilled in the art.

Claims

1. A wireless smoke detector monitoring device for fire protection, comprising an installation cylinder (1), characterized in that, Below the installation cylinder (1) is connected with a smoke inlet cylinder (2). A plurality of holes are formed in the smoke inlet cylinder (2). A piston (3) is arranged below the smoke inlet cylinder (2). A plurality of support frames (4) are fixedly installed inside the installation cylinder (1). The other ends of the plurality of support frames (4) are commonly connected to a first bearing plate (5). A motor (6) is installed on the first bearing plate (5). A protective cover (7) is arranged on the first bearing plate (5). The motor (6) is arranged inside the protective cover (7). A rotating rod (8) is rotatably connected below the first bearing plate (5). The output shaft of the motor (6) is connected to one end of the rotating rod (8). A pair of connecting rods (9) are fixedly installed on the rotating rod (8). The other ends of the pair of connecting rods (9) are fixedly connected to a pair of brush plates (10). A plurality of bristles (11) are installed on the pair of brush plates (10). The plurality of bristles (11) are in contact with the inner wall of the smoke inlet cylinder (2).

2. The wireless smoke detector monitoring device for fire protection according to claim 1, characterized in that: A negative pressure fan (12) is installed inside the installation cylinder (1). The negative pressure fan (12) is arranged above the first bearing plate (5).

3. The wireless smoke detector monitoring device for fire protection according to claim 2, characterized in that: A plurality of support rods (13) are installed inside the installation cylinder (1). The other ends of the plurality of support rods (13) are commonly connected to a second bearing plate (14). The second bearing plate (14) is arranged above the negative pressure fan (12). An opening (15) is formed in the second bearing plate (14). A placement rack (16) is installed on the second bearing plate (14). A smoke detector (17) is installed on the placement rack (16). The smoke detector (17) is arranged above the opening (15).

4. The wireless smoke detector monitoring device for fire protection according to claim 3, wherein: A plurality of buzzer alarms (18) are installed on the second bearing plate (14). The plurality of buzzer alarms (18) are electrically connected to the smoke detector (17). A plurality of sound outlet openings (19) are arranged on the installation cylinder (1). The positions of the plurality of sound outlet openings (19) correspond to the positions of the plurality of buzzer alarms (18) respectively.

5. The wireless smoke detector monitoring device for fire fighting according to claim 1, characterized in that: A cylinder cover (20) is arranged on the installation cylinder (1). A pair of exhaust pipes (21) are connected to the cylinder cover (20). A pair of connecting plates (22) are installed on the cylinder cover (20). The other ends of the pair of connecting plates (22) are commonly connected to a mounting plate (23). A pair of threaded rods (24) are threadedly connected to the mounting plate (23).

Citation Information

Patent Citations

  • Wireless smoke sensing monitoring device for fire engineering

    CN218159246U