Automatic alarm fire-fighting spraying device

By installing dustproof components, filter cleaning components, and alarm components in the fire sprinkler system, the problem of nozzle clogging is solved, ensuring water spraying effect and water resource utilization, and simplifying the maintenance process.

CN223874306UActive Publication Date: 2026-02-06SHANDONG CONSTR ENG FIRE-FIGHTING ENG CO LTD
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Patent Information

Application Number
CN202520302409.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-06
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Automatic alarm fire sprinkler systems, if left unused for a long time, are prone to clogging due to foreign objects and dust entering the sprinkler heads, which affects the water spraying effect.

Method used

A fire sprinkler system including a dustproof component, a filter cleaning component, and an alarm component was designed. The dustproof component prevents foreign objects from entering through a dust cover and a filter screen. The filter cleaning component removes dust from the filter screen through a scraper. The alarm component monitors the nozzle rotation speed through a speed sensor and alarms when the nozzle is blocked.

Benefits of technology

It effectively prevents nozzle clogging, ensures water spraying effect, reduces water waste, simplifies maintenance process, and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire-fighting equipment, and particularly discloses an automatic alarm fire-fighting spraying device which comprises a water conveying pipe which is in threaded connection with a fire-fighting sprayer through a threaded hole formed in the water conveying pipe, and is characterized in that a dustproof assembly is arranged on the outer side of the water conveying pipe, and a filtering and cleaning assembly is arranged in the dustproof assembly; according to the automatic alarm fire-fighting spraying device, by arranging the filtering and cleaning assembly, dust and other foreign matter can be reduced or prevented from entering the fire-fighting spraying head through a filtering net, so that the situation that the fire-fighting spraying head is blocked is reduced or even avoided, meanwhile, dust on the filtering net can be removed through a scraping plate, and the fire-fighting spraying head is prevented from being blocked. And meanwhile, due to the arrangement of the dustproof assembly, dust and other foreign matter can enter the water conveying pipe when the fire sprinkler is replaced or overhauled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting equipment technical field, concretely is a kind of automatic alarm fire sprinkler. BACKGROUND

[0002] In order to effectively respond to fire, a system capable of automatic alarm in the early stage of fire and taking fire extinguishing measures is needed, and the automatic alarm fire sprinkler is born, which aims to quickly perceive fire signal when fire occurs, timely send alarm to evacuate personnel, and start the sprinkler system to extinguish fire, so as to minimize the loss caused by fire.

[0003] However, since the automatic alarm fire sprinkler is not frequently used, some external foreign matters, dust and other particulate matters may enter the nozzle from the spray hole, causing the nozzle to be blocked and reducing the water spraying effect of the nozzle. Therefore, we propose an automatic alarm fire sprinkler. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an automatic alarm fire sprinkler to solve the problem of automatic alarm fire sprinkler not being frequently used, which may cause some external foreign matters, dust and other particulate matters to enter the nozzle from the spray hole, causing the nozzle to be blocked and reducing the water spraying effect of the nozzle.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an automatic alarm fire sprinkler, comprising a water supply pipe, the water supply pipe is connected with a fire nozzle through the threaded hole provided in the water supply pipe, characterized in that: a dustproof assembly is provided on the outside of the water supply pipe, a filter cleaning assembly is provided in the dustproof assembly, and an alarm assembly is provided on the outside of the water supply pipe.

[0006] The dustproof assembly comprises a fixing frame, the fixing frame is fixedly installed at the bottom of the water supply pipe, the fixing frame is connected with a bolt through the threaded hole provided in the fixing frame, the bolt is connected with a mounting bracket, the mounting bracket is fixedly installed with a dust cover at the bottom, and the fire nozzle is located in the dust cover.

[0007] The filter cleaning assembly comprises a filter screen, the filter screen is fixedly installed at the bottom of the fire nozzle, the bottom of the fire nozzle is also fixedly installed with an electric push rod, one end of the electric push rod is fixedly installed with a moving frame, the moving frame is slidably connected with the bottom of the fire nozzle, and the moving frame is fixedly installed with a scraper on one side surface.

[0008] The alarm assembly comprises a connecting frame, the connecting frame is fixedly installed on the outside of the water supply pipe, and a sealing gasket is fixedly installed on one side surface of the connecting frame.

[0009] The sealing gasket is fixedly installed outside the water delivery pipe, a rotating rod is rotatably connected to the inside of the water delivery pipe, and a fan blade is fixedly installed outside the rotating rod.

[0010] The sealing gasket is fixedly installed outside the water delivery pipe, a rotating rod is rotatably connected to the inside of the water delivery pipe, and a fan blade is fixedly installed outside the rotating rod.

[0011] The sealing gasket is fixedly installed outside the water delivery pipe, a rotating rod is rotatably connected to the inside of the water delivery pipe, and a fan blade is fixedly installed outside the rotating rod.

[0012] The sealing gasket is fixedly installed outside the water delivery pipe, a rotating rod is rotatably connected to the inside of the water delivery pipe, and a fan blade is fixedly installed outside the rotating rod.

[0013] The sealing gasket is fixedly installed outside the water delivery pipe, a rotating rod is rotatably connected to the inside of the water delivery pipe, and a fan blade is fixedly installed outside the rotating rod. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is an explosion three-dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is an explosion three-dimensional structure schematic diagram of the dustproof assembly of the utility model;

[0017] Figure 4 It is an explosion three-dimensional structure schematic diagram of the filter cleaning assembly of the utility model;

[0018] Figure 5 It is a three-dimensional structure schematic diagram of the alarm assembly of the utility model.

[0019] In the drawing: 1, ceiling; 2, water delivery pipe; 3, dustproof assembly; 31, fixed frame; 32, bolt; 33, dust cover; 34, mounting frame; 4, filter cleaning assembly; 41, fire sprinkler; 42, filter screen; 43, scraper; 44, moving frame; 45, electric push rod; 5, alarm assembly; 51, rotating rod; 52, fan blade; 53, sealing gasket; 54, connecting frame; 55, rotating speed sensor; 56, fire alarm lamp. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0021] Please refer to Figures 1 to 5 The present application provides a technical solution: an automatic alarm fire-fighting spraying device, comprising a water delivery pipe 2, the water delivery pipe 2 is fixedly installed inside the ceiling 1, the outer side of the water delivery pipe 2 is provided with a dustproof assembly 3, the inside of the dustproof assembly 3 is provided with a filtering and cleaning assembly 4, the outside of the water delivery pipe 2 is provided with an alarm assembly 5.

[0022] The dustproof assembly 3 comprises a fixing frame 31, the fixing frame 31 is fixedly installed at the bottom of the water delivery pipe 2, the fixing frame 31 is screw-connected with a bolt 32 through the screw holes arranged inside the fixing frame 31, the bolt 32 is screw-connected with a mounting bracket 34, the mounting bracket 34 is fixedly installed with a dust cover 33 at the bottom, and the fire-fighting spray head 41 is located inside the dust cover 33.

[0023] The filtering and cleaning assembly 4 comprises a filter screen 42, the filter screen 42 is fixedly installed at the bottom of the fire-fighting spray head 41, the bottom of the fire-fighting spray head 41 is further fixedly installed with an electric push rod 45, one end of the electric push rod 45 is fixedly installed with a moving bracket 44, the moving bracket 44 is slidingly connected with the bottom of the fire-fighting spray head 41, the moving bracket 44 is fixedly installed with a scraper 43 on one side surface, the alarm assembly 5 comprises a connecting bracket 54, the connecting bracket 54 is fixedly installed outside the water delivery pipe 2, the connecting bracket 54 is fixedly installed with a sealing gasket 53 on one side surface, the sealing gasket 53 is fixedly installed outside the water delivery pipe 2, the connecting bracket 54 is fixedly installed with a rotating speed sensor 55 on the other side surface, the rotating speed sensor 55 is rotatably connected with a rotating rod 51 on one side surface, the water delivery pipe 2 is rotatably connected with the rotating rod 51 inside, the rotating rod 51 is fixedly installed with a fan blade 52 outside, the rotating speed sensor 55 is fixedly installed with a fire-fighting alarm lamp 56 on the other side surface, and the rotating rod 51 penetrates through the sealing gasket 53 and is connected with the connecting bracket 54.

[0024] The dustproof assembly 3 comprises a fixing frame 31 fixedly installed at the bottom of the ceiling 1, the fixing frame 31 is threadedly connected with a bolt 32 through a thread hole arranged in the fixing frame 31, the bolt 32 is externally threadedly connected with a mounting frame 34, the mounting frame 34 is inserted into the bottom of the fixing frame 31, the fixing frame 31 is fixedly connected with the mounting frame 34 through the bolt 32, the mounting frame 34 is fixedly installed with a dust cover 33 at the bottom thereof, the filtering and cleaning assembly 4 comprises a fire nozzle 41, the fire nozzle 41 is threadedly connected with the water supply pipe 2 through a thread hole arranged in the water supply pipe 2, the fire nozzle 41 is fixedly installed with a filter screen 42 at the bottom thereof, the fire nozzle 41 is fixedly installed with an electric push rod 45 at the bottom thereof, one end of the electric push rod 45 is fixedly installed with a moving frame 44, the moving frame 44 is slidably connected with the fire nozzle 41 through a sliding groove arranged at the bottom of the fire nozzle 41, and the moving frame 44 is fixedly installed with a scraper 43 on one side surface thereof.

[0025] In the use of the fire nozzle 41, the filter screen 42 is arranged to block the external dust and foreign matters, in order to avoid the filter screen 42 from being blocked to affect the dustproof effect, the electric push rod 45 is started to move the moving frame 44, the movement of the moving frame 44 drives the movement of the scraper 43, the movement of the scraper 43 gradually contacts the filter screen 42 and scrapes the dust and foreign matters on the surface of the filter screen 42, when the fire nozzle 41 needs to be replaced or overhauled, the mounting frame 34 is inserted into the fixing frame 31, then the mounting frame 34 and the fixing frame 31 are fixedly connected through the bolt 32, so that the fire nozzle 41 is located in the dust cover 33, then the fire nozzle 41 is turned out to be replaced or overhauled, so that the dust and foreign matters are prevented from entering the water supply pipe 2 when the fire nozzle 41 is replaced or overhauled, so as to affect the water outlet effect of the nozzle, when the staff finds that the fire nozzle 41 has no problem after being disassembled and detected, the water outlet effect of the sprinkler device is detected, the water flows into the water supply pipe 2 and is sprayed out through the fire nozzle 41, in the process, the fan blade 52 is washed by the water flow to drive the rotating rod 51 to rotate, the rotating speed sensor 55 records and monitors the rotating speed of the rotating rod 51, when the rotating speed of the rotating rod 51 monitored by the rotating speed sensor 55 is always lower than the standard rotating speed of the rotating rod 51 after the sprinkler device is started, the fire alarm lamp 56 is lighted, so as to determine that the water supply pipe 2 in the area of the fire nozzle 41 has a problem and needs to be overhauled.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An automatic alarm fire sprinkler device comprising a water delivery pipe (2) to which a fire sprinkler head (41) is threadably connected via a threaded hole provided in the interior of the water delivery pipe (2), characterized in that: The water pipe (2) outside is provided with dustproof assembly (3), the inside of dustproof assembly (3) is provided with filter cleaning assembly (4), the outside of water pipe (2) is provided with alarm assembly (5); The dustproof assembly (3) includes a fixed frame (31), the fixed frame (31) is fixedly installed at the bottom of the water pipe (2), the fixed frame (31) is screw-threadedly connected with a bolt (32) by the screw holes arranged in the fixed frame (31), the bolt (32) is screw-threadedly connected with a mounting bracket (34), the mounting bracket (34) is fixedly installed with a dust cover (33) at the bottom, and the fire sprinkler (41) is located in the dust cover (33).

2. An automatic alarm fire sprinkler according to claim 1, wherein: The filter cleaning assembly (4) includes a filter screen (42), the filter screen (42) is fixedly installed at the bottom of the fire sprinkler (41), the fire sprinkler (41) is further fixedly installed with an electric push rod (45) at the bottom, one end of the electric push rod (45) is fixedly installed with a moving bracket (44), the moving bracket (44) is slidably connected with the bottom of the fire sprinkler (41), and the moving bracket (44) is fixedly installed with a scraper (43) on one side face.

3. An automatic alarm fire sprinkler according to claim 2, wherein; The alarm assembly (5) includes a connecting bracket (54), the connecting bracket (54) is fixedly installed outside the water pipe (2), and the connecting bracket (54) is fixedly installed with a sealing gasket (53) on one side face.

4. An automatic alarm fire sprinkler according to claim 3, wherein: The sealing gasket (53) is fixedly installed outside the water pipe (2), the other side face of the connecting bracket (54) is fixedly installed with a rotating speed sensor (55), and one side face of the rotating speed sensor (55) is rotatably connected with a rotating rod (51).

5. An automatic alarm fire sprinkler according to claim 4, wherein: The rotating rod (51) is rotatably connected inside the water pipe (2), and the rotating rod (51) is fixedly installed with a fan blade (52) outside.

6. An automatic alarm fire sprinkler according to claim 5, wherein: The other side face of the rotating speed sensor (55) is fixedly installed with a fire alarm lamp (56), and the rotating rod (51) penetrates through the sealing gasket (53) and is connected with the connecting bracket (54).