Fire-fighting water supply device control system

By introducing electronic level gauges and PLC controllers into the fire water supply system, the operation of the water storage pumps is automatically adjusted according to changes in river water level, solving the problem of water intake difficulties caused by seasonal changes in river water level and achieving a stable water supply to the fire water storage tank.

CN224078303UActive Publication Date: 2026-04-03ABA HYDROPOWER DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

In the power plant's fire safety system, seasonal changes in river water levels make water intake more difficult, which may lead to water shortages and affect the stable operation of the fire protection system.

Method used

A fire-fighting water supply system control system was designed. Using an electronic level gauge, a water pressure detector, and a PLC controller, the system automatically adjusts the operation of the water storage pump according to changes in the river water level, ensuring that the fire-fighting water storage tank can maintain a sufficient and stable water source in any season.

Benefits of technology

By adapting to changes in river water levels, the fire-fighting water storage tank can achieve stable water supply in different seasons, avoiding the adverse effects of water level fluctuations on the fire-fighting system and ensuring a continuous water supply.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fire-fighting water supply device control system which comprises a base, a fire-fighting reservoir is fixedly installed at the top of the base, a climbing ladder is fixedly installed on the side face of the fire-fighting reservoir, an overhaul pipe is fixedly installed at the top of the fire-fighting reservoir, a cover plate is detachably installed at the top of the overhaul pipe through bolts, and a glass window is embedded in the inner wall of the cover plate. A water inlet pipe is embedded in the center of the top of the fire-fighting reservoir, a water inlet electromagnetic valve is fixedly installed at the other end of the water inlet pipe, a water pump unit is fixedly installed at the other end of the water inlet electromagnetic valve, a drainage pipe is fixedly installed below the side face of the fire-fighting reservoir, and a drainage electromagnetic valve is fixedly installed at the other end of the drainage pipe. The other end of the drainage electromagnetic valve is fixedly communicated with the water pump unit. Compared with a traditional fixed water level or timed water taking mode, the water level fluctuation caused by seasonal changes is effectively dealt with, and it is ensured that the fire-fighting reservoir can keep a sufficient and stable water source in any season.
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Description

Technical Field

[0001] This utility model relates to the field of fire water supply technology, specifically a fire water supply device control system. Background Technology

[0002] In the fire safety system of a power plant, the fire-fighting water storage tank is a critical safety assurance facility, and its stable water supply is of paramount importance. However, the water intake of the fire-fighting water storage tank faces severe challenges due to seasonal river water level fluctuations. In winter, river water levels drop and flow decreases, making water intake more difficult and potentially leading to water shortages. Furthermore, water level fluctuations can adversely affect the overall effectiveness of the fire-fighting system and threaten the stable operation of the fire-fighting water storage tank. Therefore, a fire-fighting water supply device control system is proposed to address these issues. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the shortcomings of existing technologies, this utility model provides a fire-fighting water supply device control system that has the advantage of adaptively drawing water from rivers according to the season, thus solving the aforementioned problems.

[0005] (II) Technical Solution

[0006] To achieve the aforementioned goal of adaptively drawing water from the river according to the season, this utility model provides the following technical solution: a fire-fighting water supply device control system, including a base, a fire-fighting water storage tank fixedly installed on the top of the base, a climbing ladder fixedly installed on the side of the fire-fighting water storage tank, a maintenance pipe fixedly installed on the top of the fire-fighting water storage tank, a cover plate detachably installed on the top of the maintenance pipe by bolts, a glass window embedded in the inner wall of the cover plate, a water inlet pipe embedded in the center of the top of the fire-fighting water storage tank, a water inlet solenoid valve fixedly installed at the other end of the water inlet pipe, a water pump unit fixedly installed at the other end of the water inlet solenoid valve, a drain pipe fixedly installed on the lower side of the fire-fighting water storage tank, a drain solenoid valve fixedly installed at the other end of the drain pipe, and the other end of the drain solenoid valve fixedly connected to the water pump unit.

[0007] Preferably, the inner wall of the fire-fighting water storage tank is fixedly mounted with a bracket by a protruding column, an electronic level gauge is fixedly mounted on the surface of the bracket, a maximum water level gauge and a minimum water level gauge are fixedly mounted on the upper and lower sides of the bracket respectively, and a water pressure detector is fixedly mounted on the bottom of the bracket.

[0008] Preferably, the output terminals of the electronic level gauge, the highest water level gauge, the lowest water level gauge, and the water pressure detector are all connected to the input terminal of the PLC controller. The output terminal of the PLC controller is connected to the inlet solenoid valve and the outlet solenoid valve, respectively. The output terminal of the PLC controller is also connected to the input terminal of the water pump unit.

[0009] Preferably, the input terminal of the PLC controller is connected to the signal of the river water level detector, and the output terminal of the PLC controller is connected to the signal of the display screen.

[0010] Preferably, the bracket is located below the inspection tube.

[0011] Preferably, the water pump unit consists of a pumping pump, a winter storage pump, a No. 1 storage pump, and a No. 2 storage pump.

[0012] (III) Beneficial Effects

[0013] Compared with the prior art, the present invention provides a fire-fighting water supply device control system, which has the following beneficial effects:

[0014] This fire-fighting water supply system control system determines whether the fire-fighting water storage tank needs pumping based on electronic level gauges and water pressure detectors. It also monitors the river water level using a river level detector. If the river water level is low, the PLC controller activates the winter water storage pump to pump water. The pump stops operating when the water level reaches the maximum level indicator; otherwise, it continues pumping until the maximum level indicator is reached. If the river water level is high, the PLC controller activates pump #1. Pump #1 stops operating when the water level reaches the maximum level indicator; otherwise, it can control pump #2 to accelerate water storage in the fire-fighting water storage tank. This application allows for selective water storage in the fire-fighting water storage tank based on real-time changes in the river water level. Compared to traditional fixed-level or timed water extraction methods, this technology has significant advantages, effectively addressing water level fluctuations caused by seasonal changes and ensuring a sufficient and stable water supply to the fire-fighting water storage tank in any season. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the bracket, electronic level gauge, and water pressure detector of this utility model;

[0018] Figure 4 This is a schematic diagram of the fire-fighting water storage tank of this utility model;

[0019] Figure 5 This is a schematic diagram illustrating the automatic water extraction principle of this utility model.

[0020] In the diagram: 1. Base; 2. Fire water storage tank; 3. Climbing ladder; 4. Inspection pipe; 5. Cover plate; 6. Glass window; 7. Water inlet pipe; 8. Water inlet solenoid valve; 9. Water pump unit; 10. Drain pipe; 11. Drain solenoid valve; 12. Protruding column; 13. Bracket; 14. Electronic level gauge; 15. Highest water level gauge; 16. Lowest water level gauge; 17. Water pressure detector. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-2 A fire-fighting water supply system control system includes a base 1, a fire-fighting water storage tank 2 fixedly installed on the top of the base 1, a climbing ladder 3 fixedly installed on the side of the fire-fighting water storage tank 2, a maintenance pipe 4 fixedly installed on the top of the fire-fighting water storage tank 2, and a cover plate 5 detachably installed on the top of the maintenance pipe 4 by bolts. A glass window 6 is embedded in the inner wall of the cover plate 5.

[0023] Please see Figure 1-2 A water inlet pipe 7 is embedded in the center of the top of the fire-fighting water storage tank 2. A water inlet solenoid valve 8 is fixedly installed at the other end of the water inlet pipe 7, and a water pump unit 9 is fixedly installed at the other end of the water inlet solenoid valve 8. A drain pipe 10 is fixedly installed on the lower side of the fire-fighting water storage tank 2, and a drain solenoid valve 11 is fixedly installed at the other end of the drain pipe 10. The other end of the drain solenoid valve 11 is fixedly connected to the water pump unit 9. The water pump unit 9 consists of a pumping pump, a winter storage pump, a No. 1 storage pump, and a No. 2 storage pump. All four pumps are controlled by signals from a PLC controller.

[0024] Please see Figure 3 A bracket 13 is fixedly installed on the inner wall of the fire water storage tank 2 via a protruding column 12. The bracket 13 is located below the inspection pipe 4. An electronic level gauge 14 is fixedly installed on the surface of the bracket 13. A maximum water level gauge 15 and a minimum water level gauge 16 are fixedly installed on the upper and lower sides of the bracket 13, respectively. A water pressure detector 17 is fixedly installed at the bottom of the bracket 13.

[0025] Please see Figure 4-5The output terminals of the electronic level gauge 14, the highest water level gauge 15, the lowest water level gauge 16, and the water pressure detector 17 are all connected to the input terminal of the PLC controller. The output terminal of the PLC controller is connected to the inlet solenoid valve 8 and the outlet solenoid valve 11, respectively. The output terminal of the PLC controller is connected to the input terminal of the water pump unit 9. The input terminal of the PLC controller is connected to the river water level detector. The output terminal of the PLC controller is connected to the display screen.

[0026] Working principle: Please refer to the instructions for use. Figure 4 According to the electronic level gauge 14, the water level of the fire water storage tank 2 can be detected. When the water level is lower than the lowest water level gauge 16, water is stored in the fire water storage tank 2 through the water pump unit 9. Conversely, when the water level touches the highest water level gauge 15, the water pump unit 9 stops storing water.

[0027] The interior of the fire water storage tank 2 can be seen through the glass window 6. The fire water storage tank 2 can be entered for cleaning and maintenance by opening the cover 5.

[0028] When water is needed, the water pump in the water pump unit 9 is operated and the drain solenoid valve 11 is opened, thereby using the water in the fire water storage tank 2.

[0029] Please see Figure 5 The system determines whether the fire water storage tank 2 needs to be pumped based on the electronic level gauge 14 and the water pressure detector 17. It also detects the river water level using the river water level detector. If the river water level is low, the winter water storage pump is started using the PLC controller. When the water level reaches the highest water level gauge 15, the winter water storage pump stops running. Otherwise, if the water level does not reach the highest water level gauge 15, the winter water storage pump continues to run and pump water.

[0030] If a high water level is detected in the river, the PLC controller will start the No. 1 water storage pump. When the water level reaches the highest water level gauge 15, the No. 1 water storage pump will stop running. Conversely, if the water level does not reach the highest water level gauge 15, the No. 2 water storage pump can be controlled to run, thus accelerating the water storage in the fire water storage tank 2.

[0031] This application can selectively store water in the fire-fighting water storage tank 2 according to the real-time changes in the river water level. Compared with the traditional fixed water level or timed water intake method, this technology has significant advantages and can effectively cope with water level fluctuations caused by seasonal changes, ensuring that the fire-fighting water storage tank 2 can maintain a sufficient and stable water source in any season.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fire service water supply apparatus control system comprising a base (1) characterised in that: The top of the base (1) is fixedly installed with a fire water storage tank (2), the side of the fire water storage tank (2) is fixedly installed with a climbing ladder (3), the top of the fire water storage tank (2) is fixedly installed with an inspection pipe (4), the top of the inspection pipe (4) is detachably installed with a cover plate (5) through bolts, the inner wall of the cover plate (5) is embedded with a glass window (6), the top center of the fire water storage tank (2) is embedded with a water inlet pipe (7), the other end of the water inlet pipe (7) is fixedly installed with a water inlet electromagnetic valve (8), the other end of the water inlet electromagnetic valve (8) is fixedly installed with a water pump unit (9), the lower side of the fire water storage tank (2) is fixedly installed with a drain pipe (10), the other end of the drain pipe (10) is fixedly installed with a drain electromagnetic valve (11), the other end of the drain electromagnetic valve (11) is fixedly communicated with the water pump unit (9).

2. A fire service water supply apparatus control system according to claim 1, wherein: The inner wall of the fire water storage tank (2) is fixedly installed with a support (13) through a convex column (12), the surface of the support (13) is fixedly installed with an electronic liquid level meter (14), the upper and lower sides of the support (13) are fixedly installed with a highest water level meter (15) and a lowest water level meter (16) respectively, the bottom of the support (13) is fixedly installed with a water pressure detector (17).

3. A fire service water supply apparatus control system according to claim 2, wherein: The output ends of the electronic liquid level meter (14), the highest water level meter (15), the lowest water level meter (16) and the water pressure detector (17) are all signal connected with the input end of the PLC controller, the output end of the PLC controller is signal connected with the water inlet electromagnetic valve (8) and the drain electromagnetic valve (11) respectively, the output end of the PLC controller is signal connected with the input end of the water pump unit (9).

4. A fire service water supply apparatus control system according to claim 3, wherein: The input end of the PLC controller is signal connected with a river water level detector, the output end of the PLC controller is signal connected with a display screen.

5. The fire service water supply device control system of claim 2, wherein: The support (13) is located below the inspection pipe (4).

6. The fire service water supply device control system of claim 2, wherein: The water pump unit (9) is composed of a water pump, a winter water storage pump, a 1# water storage pump and a 2# water storage pump.