Fire sprinkler with self-detection function

Abstract

The utility model discloses a fire-fighting sprayer with a self-detection function, which belongs to the technical field of fire-fighting sprayers and comprises a base plate, a water supply pipe is fixedly connected to the top of the base plate, a circular groove is formed in an inner cavity of the base plate, and a detection structure for detecting water pressure is fixedly mounted at the side end of the water supply pipe. A flow guide structure used for guiding water flow is fixedly installed at the bottom of the base plate, and a connecting rod used for being connected with the flow guide structure is fixedly connected to the bottom of the base plate. The flow guide structure comprises an inclined guide plate, the inclined guide plate is rotationally connected to the bottom of the base plate, the bottom of the inclined guide plate is slidably connected with a spring used for pushing the inclined guide plate to turn upwards, and the bottom of the connecting rod is fixedly connected with a supporting plate; during use, the sliding plate is arranged, when the air bag is deflated, water in the inner cavity of the water supply pipe rapidly enters the inner cavity of the shell, then the sliding plate is pushed to move upwards, the speed of the sliding plate moving upwards to make contact with the sensing module is calculated through the second reading module, and therefore the water pressure is judged, and a response is made to the water pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of fire sprinklers, in particular to a fire sprinkler with a self-detection function. Background Art

[0002] Fire sprinklers play a crucial role in the fire protection system. Their characteristics such as automatic control, good fire extinguishing effect, and simple operation enable the sprinklers to respond quickly and effectively extinguish fires in case of fire emergencies. At the same time, the high fire extinguishing efficiency and water resource saving effect of fire sprinklers also reflect their important position in modern social fire safety.

[0003] A Chinese patent discloses a fire sprinkler (publication number: CN207804840U). The patent includes a body connected to a water pipe, two connecting pieces, a triggering element, a splash plate, and a sealing member. The body and the splash plate are connected through the connecting pieces. The sealing member is arranged inside the body. An installation seat is provided on one side of the splash plate close to the body. The triggering element is arranged between the sealing member and the installation seat. A support arm is arranged between the triggering element and the connecting piece. The support arm and the connecting piece are welded and connected by a fusible metal, and a fusible solder joint is formed between the support arm and the connecting piece. For the fire sprinkler provided by the utility model, when a fire occurs, the temperature of the support arm and the connecting piece rises, melting the fusible solder joint between the support arm and the connecting piece. The triggering element loses the supporting force and drops from the installation seat, thus triggering the fire sprinkler to start working. The fusible solder joint formed by the fusible metal is more sensitive to the increase in temperature, and the fire sprinkler can make a reaction in the initial stage of the fire, reducing the property loss caused by the fire.

[0004] Therefore, based on the above retrieval and in combination with the existing ones, when the above device is in use, the fire sprinkler cannot self-check the water pressure in the standby state. When the water pressure drops, the sprinkler may take a longer time to start after receiving the fire signal, which may lead to the ineffective control of the fire in the initial stage, thus increasing the risk of fire spread. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a fire sprinkler with a self-detection function to solve the problems put forward in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A fire sprinkler with a self-detection function includes a substrate. A water supply pipe is fixedly connected to the top of the substrate. A circular groove is opened in the inner cavity of the substrate. A detection structure for detecting the water pressure is fixedly installed on the side end of the water supply pipe. A diversion structure for guiding the water flow is fixedly installed at the bottom of the substrate. A connecting rod for connecting with the diversion structure is fixedly connected to the bottom of the substrate;

[0008] The diversion structure includes an inclined guide plate which is rotatably connected to the bottom of the substrate. A spring for pushing the inclined guide plate to turn upwards is slidably connected to the bottom of the inclined guide plate, and a support plate is fixedly connected to the bottom of the connecting rod.

[0009] As a further scheme of the present utility model, a push plate is fixedly connected to the top of the spring, and the top of the push plate is attached to the top of the inclined guide plate.

[0010] As a still further scheme of the present utility model, a glass tube for blocking the circular groove is fixedly connected to the top of the support plate. The top of the glass tube is slidably inserted into the inner cavity of the circular groove, and a liquid is contained in the inner cavity of the glass tube.

[0011] As a still further scheme of the present utility model, the detection structure includes a housing which is fixedly connected to the top of the substrate. A sliding plate is slidably connected in the inner cavity of the housing, and a timing reading module is fixedly installed in the inner cavity of the housing. The water supply pipe is connected to the housing through a water inlet pipe.

[0012] As a still further scheme of the present utility model, an airbag for pushing the sliding plate to reset is fixedly connected in the inner cavity of the housing, and the bottom of the airbag is fixedly connected to the top of the sliding plate.

[0013] As a still further scheme of the present utility model, an air delivery pipe is fixedly connected to the top of the airbag, and the top of the air delivery pipe penetrates through the housing and is fixedly connected to an air pump.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. When the present utility model is in use, by setting the sliding plate, when the airbag deflates, the water in the inner cavity of the water supply pipe quickly enters the inner cavity of the housing, then pushes the sliding plate to move upwards, and through the timing reading module, the contact speed of the sliding plate moving upwards to the induction module is calculated, so as to judge the water pressure and make corresponding responses.

[0016] 2. When the present utility model is in use, by setting the inclined guide plate, when the water just drains down, due to the relatively large water pressure, the inclined guide plate can be pushed to turn downwards to a vertical state, so that the water flows down through the inclined guide plate to extinguish the fire on the bottom of the substrate. When the water gradually flows out, the water pressure gradually becomes smaller, and the spring gradually pushes the inclined guide plate to move upwards, thereby using the inclined guide plate to divert the water, gradually expanding the spraying range of the water, and thus extinguishing the fire in the room. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a fire sprinkler with a self-detection function.

[0018] Figure 2 It is a structural diagram of the water supply pipe in a fire sprinkler with a self-detection function.

[0019] Figure 3 It is a structural diagram of an inclined guide plate in a fire sprinkler with a self-detection function.

[0020] Figure 4 It is a structural sectional view of a housing in a fire sprinkler with a self-detection function.

[0021] In the figure: 1. Substrate; 2. Water supply pipe; 3. Detection structure; 4. Flow guiding structure; 5. Connecting rod; 6. Circular groove; 301. Housing; 302. Slide plate; 303. Seconds reading module; 304. Water inlet pipe; 305. Airbag; 306. Air delivery pipe; 307. Air pump; 401. Inclined guide plate; 402. Spring; 403. Support plate; 404. Clamping block; 405. Pushing plate; 406. Glass tube. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1: Please refer to Figure 1 - Figure 4 , a fire sprinkler with a self-detection function, including a substrate 1, a water supply pipe 2 is fixedly connected to the top of the substrate 1, a circular groove 6 is opened in the inner cavity of the substrate 1, so that the water flow in the inner cavity of the water supply pipe 2 flows downward through the circular groove 6, a detection structure 3 for detecting the water pressure is fixedly installed on the side end of the water supply pipe 2, a flow guiding structure 4 for guiding the water flow is fixedly installed at the bottom of the substrate 1, and a connecting rod 5 for connecting with the flow guiding structure 4 is fixedly connected to the bottom of the substrate 1;

[0024] Please refer to Figure 1 - Figure 3, the diversion structure 4 includes an inclined guide plate 401, the inclined guide plate 401 is rotatably connected to the bottom of the substrate 1, a spring 402 for pushing the inclined guide plate 401 to turn upwards is slidably connected to the bottom of the inclined guide plate 401, a support plate 403 is fixedly connected to the bottom of the connecting rod 5, specifically, a clamping block 404 is fixedly connected to the outer wall of the support plate 403, a column rod is fixedly connected to the inner cavity of the clamping block 404, and the inclined guide plate 401 is rotatably sleeved on the outer wall of the column rod. When the water flows downward through the circular groove 6, due to the relatively large water pressure of the just-discharged water, the inclined guide plate 401 can be pushed to turn downwards, so that the water flows downward through the inclined guide plate 401. When the water gradually flows out, the water pressure gradually becomes smaller, and the spring 402 gradually pushes the inclined guide plate 401 to move upwards, thereby using the inclined guide plate 401 to divert the water, gradually expanding the spraying range of the water, and thus extinguishing the fire indoors.

[0025] Please refer to Figure 1 - Figure 3 , the top of the spring 402 is fixedly connected with a push plate 405, and the top of the push plate 405 is attached to the top of the inclined guide plate 401, so that the spring 402 pushes the inclined guide plate 401 to move upwards through the push plate 405.

[0026] Please refer to Figure 1 - Figure 2 , a glass tube 406 for blocking the circular groove 6 is fixedly connected to the top of the support plate 403, the top of the glass tube 406 is slidably inserted into the inner cavity of the circular groove 6, and a liquid is contained in the inner cavity of the glass tube 406. When a fire breaks out inside the room, the temperature inside the room rises, causing the liquid in the glass tube 406 to expand. As the volume of the liquid increases, the pressure inside the glass tube 406 will also increase accordingly. After the glass tube 406 bursts, the water will spray downward through the circular groove 6.

[0027] Embodiment 2: Please refer to Figure 4 , the detection structure 3 includes a housing 301, the housing 301 is fixedly connected to the top of the substrate 1, a sliding plate 302 is slidably connected to the inner cavity of the housing 301, a timing module 303 is fixedly installed in the inner cavity of the housing 301, and the water supply pipe 2 is connected to the housing 301 through a water inlet pipe 304. Specifically, the timing module 303 is made of waterproof material and an induction module is installed inside. After the water in the inner cavity of the water supply pipe 2 enters the inner cavity of the housing 301, the sliding plate 302 can be flushed upwards, and through the timing module 303, the contact speed of the sliding plate 302 moving upwards to the induction module can be calculated, so as to judge the water pressure. When the rising speed of the sliding plate 302 is slow, it means that the water pressure is small. When the rising speed of the sliding plate 302 is fast, it means that the water pressure is large.

[0028] Please refer to Figure 1 and Figure 4, a gas bag 305 for pushing the slide plate 302 to reset is fixedly connected inside the cavity of the housing 301. The bottom of the gas bag 305 is fixedly connected to the top of the slide plate 302, so that when the gas bag 305 bulges, it pushes the slide plate 302 downward.

[0029] The top of the gas bag 305 is fixedly connected with an air delivery pipeline 306. The top of the air delivery pipeline 306 penetrates through the housing 301 and is fixedly connected with an air pump 307. By driving the air pump 307, gas enters the inner cavity of the gas bag 305 through the air delivery pipeline 306.

[0030] The working principle of the present utility model is as follows:

[0031] First, the top of the substrate 1 is fixedly installed at the bottom of the ceiling. When a fire breaks out inside the room, the temperature inside the room rises, which will cause the liquid in the glass tube 406 to expand. As the volume of the liquid increases, the pressure inside the glass tube 406 will also increase accordingly. After the glass tube 406 bursts, water jets downward through the round groove 6. When the water just drains down, due to the large water pressure, the inclined guide plate 401 can be pushed downward to turn to the vertical state, so that the water flows downward through the inclined guide plate 401 to extinguish the fire at the bottom of the substrate 1. When the water gradually flows out, the water pressure gradually becomes smaller, and the spring 402 gradually pushes the inclined guide plate 401 upward, thereby using the inclined guide plate 401 to divert the water, gradually expanding the spraying range of the water, and thus extinguishing the fire indoors;

[0032] At the same time, the air pump 307 can be driven regularly to make the gas inside the gas bag 305 enter and flow out through the air delivery pipeline 306. When the gas bag 305 deflates, the water in the inner cavity of the water supply pipe 2 quickly enters the inner cavity of the housing 301, pushing the slide plate 302 upward, and through the countdown module 303, calculating the speed of the slide plate 302 moving upward to the induction module, so as to judge the water pressure.

[0033] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A fire sprinkler with a self-detection function, comprising a substrate (1), characterized in that: A water supply pipe (2) is fixedly connected to the top of the base plate (1); a circular groove (6) is provided in the inner cavity of the base plate (1); a detection structure (3) for detecting water pressure is fixedly installed on the side end of the water supply pipe (2); a flow guide structure (4) for guiding water flow is fixedly installed on the bottom of the base plate (1); and a connecting rod (5) for connecting to the flow guide structure (4) is fixedly connected to the bottom of the base plate (1); The guide structure (4) comprises an inclined guide plate (401), the inclined guide plate (401) is rotatably connected to the bottom of the base plate (1), the bottom of the inclined guide plate (401) is slidably connected to a spring (402) for pushing the inclined guide plate (401) to flip upward, and the bottom of the connecting rod (5) is fixedly connected to a support plate (403).

2. A fire sprinkler with self-detection function according to claim 1, characterized in that: The top of the spring (402) is fixedly connected with a push plate (405), and the top of the push plate (405) is attached to the top of the inclined guide plate (401).

3. A fire sprinkler with self-detection function according to claim 1, characterized in that: A glass tube (406) for blocking the circular groove (6) is fixedly connected to the top of the support plate (403), and the top of the glass tube (406) is slidably inserted into the inner cavity of the circular groove (6), and the inner cavity of the glass tube (406) is filled with liquid.

4. The fire sprinkler with self-detection function according to claim 1, characterized in that: The detection structure (3) comprises a shell (301), wherein the shell (301) is fixedly connected to the top of the substrate (1), a slide plate (302) is slidably connected to the inner cavity of the shell (301), a countdown module (303) is fixedly installed in the inner cavity of the shell (301), and the water supply pipe (2) and the shell (301) are connected via a water inlet pipe (304).

5. A fire sprinkler with self-detection function according to claim 4, characterized in that: An air bag (305) for pushing the slide plate (302) to return to its original position is fixedly connected to the inner cavity of the housing (301), and the bottom of the air bag (305) is fixedly connected to the top of the slide plate (302).

6. A fire sprinkler with self-detection function according to claim 5, characterized in that: The top of the air bag (305) is fixedly connected to an air delivery pipeline (306), and the top of the air delivery pipeline (306) passes through the shell (301) and is fixedly connected to an air pump (307).

Images