Fire-fighting pressure stabilizing device

By combining the tank, inner bladder, connecting pipes, and outer bladder, and using the control of a liquid level sensor and solenoid valve, the problem of autonomous adjustment of the fire-fighting pressure stabilizing device when water pressure changes is solved, achieving efficient dynamic water pressure balance and ensuring stable operation of the fire-fighting system.

CN223774228UActive Publication Date: 2026-01-09LUOHE CHENGFA ENVIRONMENTAL PROTECTION ENERGY CO LTD
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Patent Information

Application Number
CN202422942048.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2026-01-09
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Existing fire-fighting pressure stabilizing devices cannot adjust themselves when water pressure changes, resulting in poor pressure stabilization efficiency, limited applicability, and insufficient gas supply, making it impossible to maintain pressure stability for extended periods.

Method used

It adopts a combination structure of tank, inner bladder, connecting pipe, outer bladder and elastic ring. It uses water flow changes to regulate the flow of inert gas between the inner and outer bladders, controls water pressure balance by changing the size of the inner bladder, and is equipped with a liquid level sensor and solenoid valve to control the water filling channel to achieve dynamic balance.

Benefits of technology

It achieves dynamic balance of water pressure in fire-fighting water pipes, and can autonomously adjust according to changes in water pressure, thereby improving pressure stabilization efficiency and avoiding the impact of excessively low or high water pressure on fire-fighting tasks.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a fire-fighting pressure stabilizing device which comprises a tank body, an inner bag body is arranged in the tank body, the top end of the tank body is fixedly connected with a connecting pipeline, the top end of the connecting pipeline is fixedly connected with an outer bag body, and the outer surface of the outer bag body is fixedly connected with an elastic ring. When the water flow speed in the fire-fighting water pipe suddenly increases and the water pressure is increased and the water flow passes through the tank body, the water flow enters the tank body, so that the water flow compresses the inner bag body, the volume of the water in the tank body is increased, and the water pressure in the fire-fighting water pipe recovers to be balanced; in the process, the elastic ring can be reset slowly, inert gas in the outer bag body is pressed back into the inner bag body, the inner bag body is reset, redundant water in the tank body is squeezed out, the volume of the water in the tank body is controlled by increasing and decreasing the inner bag body, and therefore the water pressure in the fire fighting water pipe is in a dynamic balance state.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fire -fighting pressure -stabilizing equipment technical field, especially in kind of fire -fighting pressure -stabilizing device. BACKGROUND

[0002] Fire -fighting pressure -stabilizing device as a part of fire -fighting equipment, its main role is to maintain the pipe network pressure, when the fire occurs, still should be able to run a period of time, until the main fire -fighting pump starts, simultaneously modern building is higher and higher, and high -rise building needs to be equipped with fire water system, due to the height difference of building, the water pressure in fire water system is difficult to keep stable, needs to use pressure -stabilizing device.

[0003] The existing fire -fighting pressure -stabilizing device is pure gas bag type structure, relies on the compression and expansion of gas, utilizes pressure control, but this mode maintains the time short, and gas cannot be effectively supplemented, causes the pressure -stabilizing device to be unable with the change of water pressure autonomous regulation control, and the pressure -stabilizing efficiency is poor, and the application range is small. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of fire -fighting pressure -stabilizing devices, can effectively solve the problems in background art.

[0005] To achieve the above-mentioned purposes, the technical scheme adopted by the utility model is as follows:

[0006] A kind of fire -fighting pressure -stabilizing device, including tank body, the inside of the tank body is provided with inner capsule body, the top of the tank body is fixedly connected with connecting pipeline, the top of the connecting pipeline is fixedly connected with outer capsule body, the outer surface of the outer capsule body is fixedly connected with elastic ring, one side of the outer surface of the connecting pipeline is fixedly connected with air inlet pipe, the other side of the outer surface of the connecting pipeline is fixedly connected with air outlet pipe.

[0007] In order to achieve the effect of fixing the top end of the tank body, the top end of the inner capsule body and the bottom end of the connecting pipeline together, as a kind of fire -fighting pressure -stabilizing device of the utility model, the top end of the inner capsule body is fixedly connected with capsule flange one, the bottom end of the connecting pipeline is fixedly connected with connecting flange one, and the top end of the tank body is fixedly connected with top flange.

[0008] In order to achieve the effect of fixing the top end of the connecting pipeline and the bottom end of the outer capsule body together, as a kind of fire -fighting pressure -stabilizing device of the utility model, the top end of the connecting pipeline is fixedly connected with connecting flange two, and the bottom end of the outer capsule body is fixedly connected with capsule flange two.

[0009] In order to achieve the effect of controlling the opening and closing of the air inlet passage, as a kind of fire -fighting pressure -stabilizing device of the utility model, one end of the air inlet pipe is fixedly connected with electromagnetic check valve one, and one end of the electromagnetic check valve one is fixedly connected with air inlet pipeline.

[0010] In order to achieve the effect of controlling the opening and closing of the gas outlet channel, as a fire-fighting pressure stabilizing device, one end of the gas outlet pipe is fixedly connected with an electromagnetic one-way valve two, and the other end of the electromagnetic one-way valve two is fixedly connected with a gas outlet pipeline.

[0011] In order to achieve the effect of monitoring the liquid level in the tank, as a fire-fighting pressure stabilizing device, the inner wall of the tank body is fixedly connected with a liquid level sensor.

[0012] In order to achieve the effect of controlling the opening and closing of the water adding channel, as a fire-fighting pressure stabilizing device, the outer surface of the tank body is fixedly connected with a water adding port, and one end of the water adding port is fixedly connected with an electromagnetic valve.

[0013] In order to achieve the effect of fixing the tank body bottom end and the fire-fighting water pipe top end together, as a fire-fighting pressure stabilizing device, the bottom end of the tank body is fixedly connected with a fire-fighting water pipe, the bottom end of the tank body is fixedly connected with a bottom flange, and the top end of the fire-fighting water pipe is fixedly connected with a connecting flange three.

[0014] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0015] 1. The fire-fighting pressure stabilizing device, through the setting of the tank body, the inner capsule body, the connecting pipeline, the outer capsule body, the elastic ring and the fire-fighting water pipe, when the fire-fighting water pipe external valve is opened and the fire-fighting water pipe internal water flow starts to flow, when the water flow speed suddenly increases and the water pressure increases, the water flow enters the tank body when passing through the tank body, so that the water volume in the tank body increases, the water flow compresses the inner capsule body, the inert gas (such as nitrogen) in the inner capsule body enters the outer capsule body through the connecting pipeline, so that the outer capsule body becomes larger, and the elastic ring expands accordingly, through the water volume increase in the tank body, the water pressure in the fire-fighting water pipe is balanced, when the water flow speed is slow and the water pressure is low, the water volume in the tank body becomes smaller, and the inner capsule body is not pressed, in this process, the elastic ring slowly resets, the inert gas in the outer capsule body is pressed back into the inner capsule body, the inner capsule body resets, the excess water in the tank body is squeezed out, and the water pressure in the fire-fighting water pipe is balanced, through the increase and decrease of the inner capsule body, the water volume in the tank body is controlled, so that the water pressure in the fire-fighting water pipe is in a dynamic balance, so that the pressure stabilizing device can automatically adjust and control according to the change of the water pressure, and the pressure stabilizing efficiency is guaranteed.

[0016] 2. The fire-fighting pressure stabilizing device, through the setting of the liquid level sensor and the water adding port, the water adding port and the standby water pipe are connected through the electromagnetic valve, when the water flow speed in the fire-fighting water pipe is too low, and the water level in the tank body is too low, the liquid level sensor detects it, and the electromagnetic valve is opened, the water of the standby water pipe flows into the tank body and enters the fire-fighting water pipe, so that the water pipe is prevented from being blocked and the water pressure is too low, and the fire-fighting task is affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1This is a structural schematic diagram of a fire-fighting pressure stabilizing device according to Embodiment 1 of this utility model;

[0018] Figure 2 This is an isometric structural diagram of a fire-fighting pressure stabilizing device as shown in the bottom view of Embodiment 1 of this utility model;

[0019] Figure 3 This is a frontal cross-sectional view of a fire-fighting pressure stabilizing device according to Embodiment 1 of this utility model;

[0020] Figure 4 This is a right-side cross-sectional view of a fire-fighting pressure stabilizing device according to Embodiment 1 of this utility model;

[0021] Figure 5 This is an exploded structural diagram of the connecting pipe in a fire-fighting pressure stabilizing device according to Embodiment 1 of this utility model;

[0022] Figure 6 This is an isometric structural diagram of the tank body in a fire-fighting pressure stabilizing device according to Embodiment 1 of this utility model.

[0023] In the diagram: 1. Tank body; 2. Inner bladder; 3. Connecting pipe; 4. Outer bladder; 5. Elastic ring; 6. Air inlet; 7. Air outlet; 8. Bladder flange one; 9. Connecting flange one; 10. Connecting flange two; 11. Bladder flange two; 12. Solenoid check valve one; 13. Air inlet pipe; 14. Solenoid check valve two; 15. Air outlet pipe; 16. Liquid level sensor; 17. Water inlet; 18. Solenoid valve; 19. Top flange; 20. Bottom flange; 21. Fire hose pipe; 22. Connecting flange three. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example 1

[0026] like Figures 1-6 As shown, a fire-fighting pressure stabilizing device includes a tank 1, an inner bladder 2 inside the tank 1, a connecting pipe 3 fixedly connected to the top of the tank 1, an outer bladder 4 fixedly connected to the top of the connecting pipe 3, an elastic ring 5 fixedly connected to the outer surface of the outer bladder 4, an air inlet 6 fixedly connected to one side of the outer surface of the connecting pipe 3, and an air outlet 7 fixedly connected to the other side of the outer surface of the connecting pipe 3.

[0027] In specific use, through the arrangement of the tank body 1, the inner capsule body 2, the connecting pipeline 3, the outer capsule body 4, the elastic ring 5 and the fire-fighting water pipe 21, the inner capsule body 2 is located in the tank body 1, the top capsule flange one 8 of the inner capsule body 2 is located on the top flange 19 of the tank body 1, and is clamped between the top flange 19 by the bottom connecting flange one 9 of the connecting pipeline 3, three flanges are fixed together by using bolts, the position of the inner capsule body 2 is fixed, the top of the connecting pipeline 3 is connected with the outer capsule body 4, and the connecting flange two 10 and the capsule flange two 11 are fixed together by using bolts, the outer capsule body 4 is fixed, the inner capsule body 2 and the outer capsule body 4 are communicated through the connecting pipeline 3, the bottom of the tank body 1 is communicated with the fire-fighting water pipe 21, after the device is put into use, the external valve of the fire-fighting water pipe 21 is opened, the water flow in the fire-fighting water pipe 21 starts to flow, when the water flow speed suddenly becomes fast and the water pressure increases, the water flow enters the tank body 1 when passing through the tank body 1, the water volume in the tank body 1 increases, the water flow compresses the inner capsule body 2, the inert gas (such as nitrogen) in the inner capsule body 2 enters the outer capsule body 4 through the connecting pipeline 3, the outer capsule body 4 becomes larger, and the elastic ring 5 expands accordingly, the water pressure in the fire-fighting water pipe 21 is balanced by the increase of the water volume in the tank body 1, when the water flow speed is slow and the water pressure is low, the water volume in the tank body 1 becomes small, the inner capsule body 2 is not pressed, the elastic ring 5 slowly resets in this process, the inert gas in the outer capsule body 4 is pressed back into the inner capsule body 2, the inner capsule body 2 resets, the excess water in the tank body is squeezed out, and the water pressure in the fire-fighting water pipe 21 is balanced, the water volume in the tank body 1 is controlled by the expansion and contraction of the inner capsule body 2, the water pressure in the fire-fighting water pipe 21 is in a dynamic balance, and therefore the pressure stabilizing device can automatically adjust and control according to the change of the water pressure, and the pressure stabilizing efficiency is ensured.

[0028] In the embodiment, the top end of the inner capsule body 2 is fixedly connected with the capsule flange one 8, the bottom end of the connecting pipeline 3 is fixedly connected with the connecting flange one 9, and the top end of the tank body 1 is fixedly connected with the top flange 19.

[0029] In specific use, the top end of the tank body 1, the top end of the inner capsule body 2 and the bottom end of the connecting pipeline 3 are fixed together by using bolts through the arrangement of the capsule flange one 8, the connecting flange one 9 and the top flange 19.

[0030] In the embodiment, the top end of the connecting pipeline 3 is fixedly connected with the connecting flange two 10, and the bottom end of the outer capsule body 4 is fixedly connected with the capsule flange two 11.

[0031] In specific use, the top end of the connecting pipeline 3 and the bottom end of the outer capsule body 4 are fixed together by using bolts through the arrangement of the connecting flange two 10 and the capsule flange two 11.

[0032] In the embodiment, one end of the air inlet pipe 6 is fixedly connected with the electromagnetic one-way valve one 12, and one end of the electromagnetic one-way valve one 12 is fixedly connected with the air inlet pipeline 13.

[0033] Specific use, through the electromagnetic one-way valve 12, control the opening and closing of the intake passage.

[0034] In this embodiment, the one end of the gas outlet pipe 7 is fixedly connected with the electromagnetic one-way valve two 14, and the one end of the electromagnetic one-way valve two 14 is fixedly connected with the gas outlet pipeline 15.

[0035] Specific use, through the electromagnetic one-way valve two 14, control the opening and closing of the gas passage.

[0036] In this embodiment, the inner wall of the tank body 1 is fixedly connected with the liquid level sensor 16.

[0037] Specific use, through the setting of the liquid level sensor 16, monitor the liquid level in the tank.

[0038] In this embodiment, the outer surface of the tank body 1 is fixedly connected with the water inlet 17, and the one end of the water inlet 17 is fixedly connected with the electromagnetic valve 18.

[0039] Specific use, through the setting of the electromagnetic valve 18, control the opening and closing of the water inlet.

[0040] In this embodiment, the bottom end of the tank body 1 is fixedly connected with the fire water pipe 21, the bottom end of the tank body 1 is fixedly connected with the bottom flange 20, and the top end of the fire water pipe 21 is fixedly connected with the connecting flange three 22.

[0041] Specific use, through the setting of the bottom flange 20 and the connecting flange three 22, use the bolt to fix the bottom end of the tank body 1 and the top end of the fire water pipe 21 together.

[0042] Working principle: after the device is put into use, the valve of the fire water pipe 21 is opened, the water flow in the fire water pipe 21 starts to flow, when the water flow speed suddenly increases and the water pressure increases, the water flow enters the tank body 1 when passing through the tank body 1, which increases the volume of water in the tank body 1, so that the water flow in the fire water pipe 21 restores balance, when the water flow speed is slow and the water pressure is low, the volume of water in the tank body 1 becomes small, which does not press the inner capsule body 2, and the elastic ring 5 will slowly reset, the inert gas in the outer capsule body 4 is pressed back into the inner capsule body 2, the inner capsule body 2 is reset, the excess water in the tank body 1 is squeezed out, and the water pressure in the fire water pipe 21 restores balance, through the increase and decrease of the inner capsule body 2, the volume of water in the tank body 1 is controlled, so that the water pressure in the fire water pipe 21 is in a dynamic balance.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fire-fighting pressure stabilizing device, comprising a tank (1), characterized in that: The tank (1) is provided with an inner bladder (2) inside. A connecting pipe (3) is fixedly connected to the top of the tank (1). An outer bladder (4) is fixedly connected to the top of the connecting pipe (3). An elastic ring (5) is fixedly connected to the outer surface of the outer bladder (4). An air inlet (6) is fixedly connected to one side of the outer surface of the connecting pipe (3). An air outlet (7) is fixedly connected to the other side of the outer surface of the connecting pipe (3).

2. The fire-fighting pressure stabilizing device according to claim 1, characterized in that: The top end of the inner bladder (2) is fixedly connected to a bladder flange (8), the bottom end of the connecting pipe (3) is fixedly connected to a connecting flange (9), and the top end of the tank (1) is fixedly connected to a top flange (19).

3. The fire-fighting pressure stabilizing device according to claim 1, characterized in that: The top end of the connecting pipe (3) is fixedly connected to a connecting flange two (10), and the bottom end of the outer bladder (4) is fixedly connected to a bladder flange two (11).

4. A fire-fighting pressure stabilizing device according to claim 1, characterized in that: One end of the air inlet (6) is fixedly connected to an electromagnetic one-way valve (12), and one end of the electromagnetic one-way valve (12) is fixedly connected to an air inlet pipe (13).

5. A fire-fighting pressure stabilizing device according to claim 1, characterized in that: One end of the air outlet (7) is fixedly connected to an electromagnetic one-way valve (14), and one end of the electromagnetic one-way valve (14) is fixedly connected to an air outlet pipe (15).

6. A fire-fighting pressure stabilizing device according to claim 1, characterized in that: A liquid level sensor (16) is fixedly connected to the inner wall of the tank (1).

7. A fire-fighting pressure stabilizing device according to claim 1, characterized in that: A water inlet (17) is fixedly connected to the outer surface of the tank (1), and a solenoid valve (18) is fixedly connected to one end of the water inlet (17).

8. A fire-fighting pressure stabilizing device according to claim 1, characterized in that: The bottom end of the tank (1) is fixedly connected to a fire water pipe (21), the bottom end of the tank (1) is fixedly connected to a bottom flange (20), and the top end of the fire water pipe (21) is fixedly connected to a connecting flange three (22).