CN115624705B - A complete set of equipment for a 60L high-pressure water mist dispensing system - Google Patents

Abstract

The invention relates to the technical field of fire protection engineering, and in particular to a complete set of equipment for a 60L high-pressure water mist dispensing system, including: a high-pressure water pump, an adjustment mechanism, an actuator, an auxiliary mechanism and a water mist controller. The water mist controller detects Determine the water pressure in the pipes inside the system and adjust the valve opening of the high-pressure water pump. If the water pressure in the pipes in the system is still lower than the preset demand after reducing the valve opening, fine water mist control The device adjusts the speed of the high-pressure water pump to increase it to the set value. If after increasing the speed of the high-pressure water pump, the water pressure inside the system pipeline has not reached the required pressure, the fine water mist determines that the high-pressure water pump is damaged and notifies the staff for repair. It ensures the normal operation of the system and can timely detect the pressure changes of the water in the pipes in the system and adjust it. It not only ensures the stability of the system work, but also improves the work efficiency of the system.

Description

A complete set of equipment for a 60L high-pressure water mist dispensing system

Technical field

The invention relates to the technical field of fire protection engineering, and in particular to a complete set of equipment for a 60L high-pressure water mist dispensing system.

Background technique

Water mist fire extinguishing technology is an emerging water fire extinguishing technology. This technology uses atomizing nozzles to atomize water with a certain pressure into fine water mist, increasing the cooling rate of the water to achieve rapid fire extinguishing effects.

Chinese Patent Publication No. CN107899167A discloses a preheated water mist fire extinguishing system and a fine water atomization nozzle, which solves the problem that the existing fire extinguishing system cannot form an effective suffocating environment for fires with low calorific value, making it difficult to extinguish fires with fine water mist. . The water mist fire extinguishing system includes fire alarm equipment, control devices and fire extinguishing systems; the fire extinguishing system includes filters, pump sets, heat exchangers and fine water atomization nozzles connected in sequence through pipelines; the heat exchanger is exchanged through the burner Heat, the burner is connected to the fine water atomization nozzle through the induced draft fan; a signal feedback device is provided on the pipeline between the heat exchanger and the fine water atomization nozzle, and the signal feedback device is connected to the control device through the control line; fine water atomization The nozzle is set in a protection zone, and a flame detection device is installed in the protection zone. The flame detection device is connected to the fire alarm equipment. The water mist fire extinguishing system and nozzles of the present invention can effectively extinguish fires with small calorific value such as small fires in the early stage, Class A fires, smoldering fires, etc.

It can be seen that the technical solution has the following problems:

1. The amount of water in the water storage device cannot be detected, which may lead to water shortage problems when the system is working;

2. It is impossible to accurately solve the problem of low water output efficiency of the system caused by excessive pressure changes of water in the internal pipelines of the system.

Contents of the invention

To this end, the present invention provides a complete set of equipment for a 60L high-pressure water mist dispensing system to overcome the existing technology's inability to accurately solve the problem of low water output efficiency of the system caused by excessive pressure changes of water in the internal pipelines of the system.

In order to achieve the above objectives, the present invention provides a 60L high-pressure water mist dispensing system complete set of equipment, including:

A high-pressure water pump, including a fixed base plate, an inverter, a motor and a water pump, used to provide high-voltage power for the fine water mist dispensing system;

A hose for transporting the pressurized water generated by the high-pressure water pump;

The actuator includes several nozzles and several spray gun cabinets, which are connected to the end of the hose. The nozzles are used to turn high-pressure water into water mist and sprayed out. The spray gun cabinets are used to place the spray guns;

The regulating mechanism includes an electric control valve and several open area valve groups. The electric control valve is connected to the high-pressure water pump and the water tank to control the on-off of the pipeline between the high-pressure water pump and the water tank. The open area valve The group is connected to the nozzle area to receive the control signal and open the corresponding valve in the valve group;

Auxiliary mechanisms, including pressure transmitters and several valves, are installed at different positions of the hose to regulate corresponding parameters during system operation;

The fine water mist controller is connected to each of the above components to detect the operation and fault information of each component within the system and handle each component accordingly based on the information. When the fine water mist release system is preparing to work, the fine water mist control The water mist controller detects the water level information in the water tank and applies the corresponding water tank water supply amount to supply water to the water tank according to the water level. When the water mist dispensing system is working, the water mist controller detects the water level in the internal pipes of the system. Determine the size of the pressure and adjust the opening of the valve port of the high-pressure water pump. If the water pressure in the pipes in the system is still lower than the preset demand after reducing the opening of the valve, the fine water mist controller adjusts the speed of the high-pressure water pump. Increase it to the set value. If after increasing the speed of the high-pressure water pump, the water pressure inside the system pipeline has not yet reached the required pressure, the fine water mist will determine that the high-pressure water pump is damaged and notify the staff for repair.

Further, the water mist controller is provided with a first preset water level height h1 and a second preset water level height h2, h1 < h2, and a position detector is provided in the water tank. When the water mist controller When controlling the startup of the high-pressure water pump, the position detector detects the water level height h inside the water tank and transmits it to the water mist controller. The water mist controller compares the water level height h with the preset water level heights h1 and h2. And determine the water level inside the water tank according to the interval of height h to determine whether water supply to the water tank is needed;

If h≤h1, the fine water mist controller determines that the water level in the water tank is too low, and the fine water mist controller controls the fire high-pressure water pump to stop and sends out a water shortage alarm signal in the water tank;

If h1<h≤h2, the fine water mist controller determines that the water level inside the water tank is low, controls the fire high-pressure water pump to continue running, and the fine water mist controller sends a signal that the water tank needs to add water;

If h>h3, the fine water mist controller determines that the water level inside the water tank is normal and controls the fire high-pressure water pump to continue running.

Furthermore, the water mist controller is also provided with a first preset water tank supply quantity Q1 and a second preset water tank supply quantity Q2, Q1>Q2, and a water supply device is provided outside the water tank. It is connected to the water tank through a pipeline. When h ≤ h1 or h1 < h ≤ h2, the fine water mist controller determines the amount of water supplied to the water tank by the water supply device according to the interval of the liquid level height h inside the water tank;

When h ≤ h1, the water mist controller determines that the water supply device should use the first preset water tank supply amount Q1 to supply water to the water tank;

When h1<h≤h2, the fine water mist controller determines that the water supply device uses the second preset water tank replenishment amount Q2 to supply water to the water tank.

When the water mist controller uses the i-th preset water tank supply amount Qi to supply water to the water tank, set i=1, 2, and the water volume of the water tank after water supply is Q', set Q'=Q ₀ + Qi, where Q ₀ is the amount of water in the water tank before water supply.

Further, the water mist controller is provided with a first preset pipeline pressure F1, a second preset pipeline pressure F2, a first preset pump valve adjustment coefficient α1 and a second preset pump valve adjustment coefficient α2, F1 <F2, α1<1<α2, when the fine water mist dispensing system is running, the pressure transmitter detects the internal pressure F of the pipeline and transmits it to the fine water mist controller, and the fine water mist controller transmits the pressure F Compare with the preset pressures F1 and F2 and determine whether the valve port of the high-pressure water pump needs to be adjusted according to the range of the pressure F;

If F<F1, the fine water mist controller determines that the internal pipeline pressure of the fine water mist dispensing system is too small, and uses the first preset pump valve adjustment coefficient α1 to reduce the valve port of the high-pressure water pump;

If F1≤F≤F2, the fine water mist controller determines that the internal pressure fluctuation of the fine water mist dispensing system is within the normal range, and the pressure fluctuation can be adjusted through the pressure regulating valve and safety valve in the auxiliary mechanism;

If F>F2, the fine water mist controller determines that the internal pipeline pressure of the fine water mist dispensing system is too high, and applies the second preset pump valve adjustment coefficient α2 to increase the valve port of the high-pressure water pump;

When the water mist controller uses the i-th preset pump valve adjustment coefficient αi to adjust the valve port of the high-pressure water pump, set i=1, 2, and the corrected opening of the high-pressure water pump valve is A ', set A'=Axαi, where A is the opening of the high-pressure water pump valve before correction.

Further, when the fine water mist control module uses the first preset pump valve adjustment coefficient α1 to reduce the valve opening of the high-pressure water pump, the pressure transmitter detects the adjusted internal pressure F' of the pipeline and adjusts it. Transmitted to the water mist module, the water mist module compares the pressure F' with F1 and determines whether the rotation speed of the high-pressure water pump needs to be adjusted based on the comparison result;

If F’<F1, the fine water mist controller determines that the adjusted water pressure in the pipeline still does not meet the requirements, and the rotation speed of the high-pressure water pump needs to be further adjusted;

If F’≥F1, the fine water mist controller determines that the process of reducing the valve opening of the high-pressure water pump is effective.

Furthermore, the water mist controller is provided with a preset speed adjustment coefficient β0, β0>1. When F'<F1, the water mist controller applies the preset speed adjustment coefficient β0 to the speed of the high-pressure water pump. For adjustment, the pressure transmitter detects the adjusted internal pressure F" of the pipeline by rotating the speed of the high-pressure water pump and transmits it to the fine water mist module. The fine water mist module compares the pressure F" with F1 and determines based on the comparison result. The operation of high-pressure water pump;

If F”<F1, the fine water mist controller determines that there is an abnormality inside the high-pressure water pump, and issues a high-pressure water pump abnormality warning to notify the staff to check and repair;

If F″≥F1, the water mist controller determines that the water pressure in the pipes in the water mist dispensing system is normal, and no further adjustment is required.

Furthermore, the water mist controller is also provided with a third preset pipeline pressure F3, F1<F3<F2. When F1≤F≤F2, the fine water mist compares the pressure F with the preset pressure F3 and Control the pressure regulating valve and safety valve to perform corresponding actions based on the comparison results;

If F≥F3, the fine water mist controller controls the safety valve to operate to reduce the pressure of the water in the pipeline, and then operates the pressure regulating valve to control the pressure of the water in the pipeline within the normal range;

If F<F3, the fine water mist controller directly controls the pressure regulating valve to operate to control the pressure of the water in the pipeline within the normal range.

Further, a nozzle protection zone is provided at the end of the actuator of the fine spray dispensing system. Several nozzles are provided below the nozzle protection zone. Several nozzles are arranged around the nozzle, and the axes of the nozzles are at a certain angle. When the fine water mist When the controller detects an area that needs water spraying, it controls the axis angle change of each nozzle to realize the system's all-round spraying of the water spray area.

Further, the spray gun cabinet is equipped with a firefighting high-pressure water pump start demand button. When the button is pressed, the fine water mist controller receives the demand signal and controls the start of the high-pressure water pump to pass high-pressure water through the internal pipes of the system. The spray gun cabinet is equipped with a plurality of spray guns and hoses, and the hoses are used to connect the spray guns to the pipelines of the fine water mist dispensing system.

Further, the fine water mist controller controls the starting point of each valve in the electric control valve and the open area valve group. At the same time, the electric valve in the electric control valve and the open area valve group can also be controlled by being installed in each valve. The corresponding button on the outside of the water mist dispensing device is turned on and off.

Compared with the existing technology, the beneficial effect of the present invention is that the present invention is equipped with an adjustment mechanism, an auxiliary mechanism and a fine water mist controller, which can detect the operating parameters inside the system and make adjustments, and can replenish water in the water tank in a timely manner to ensure In order to ensure the normal operation of the system, it can timely detect the pressure changes of the water in the pipelines in the system and adjust it, which not only ensures the stability of the system, but also improves the efficiency of the system.

Furthermore, the present invention is provided with multi-level preset water level heights. The present invention determines the water volume inside the water tank by judging the interval of the water level height, and determines whether water supply to the water tank is needed based on the water volume, thereby ensuring that the system can operate normally. While running, the efficiency of the system is improved.

Furthermore, the present invention is equipped with a multi-level preset water tank replenishment amount. The corresponding preset water tank replenishment amount is used to replenish water in the water tank according to the interval of the water surface height in the water tank. While ensuring the normal operation of the system, it also improves the efficiency of the water tank. improve the efficiency of the system.

Furthermore, the present invention is equipped with multi-stage preset pipeline pressures and multi-stage preset pump valve adjustment coefficients. According to the range of the pressure of the water in the pipes inside the water mist dispensing system, the corresponding preset pump valve adjustment coefficients are applied to determine the pressure of the high pressure. The valve port of the water pump is adjusted to adjust the pressure of the water in the pipeline to the normal range, which not only ensures the stability of the system, but also improves the efficiency of the system.

Further, the present invention compares the adjusted water pressure F' in the pipeline with F1 and determines whether the operation of reducing the valve port of the high-pressure water pump is effective based on the comparison result, thereby further determining whether the rotation speed of the high-pressure water pump needs to be adjusted. , while ensuring the stability of the system, it also improves the efficiency of the system.

Furthermore, the present invention is provided with a preset rotational speed adjustment coefficient. When F'<F1, the present invention applies the preset rotational speed adjustment coefficient to adjust the rotational speed of the high-pressure water pump. After the rotational speed adjustment is completed, the pipeline pressure F" is detected and It is compared with the preset pressure F1, and based on the comparison result, it is determined whether the high-pressure water pump is damaged, which not only ensures the stability of the system, but also improves the efficiency of the system.

Furthermore, the present invention is also provided with a preset pipeline pressure F3. When F1 ≤ F ≤ F2, the present invention compares the pipeline pressure F with the preset pressure F3 and determines the actions of the pressure regulating valve and the safety valve based on the comparison results, so as to Maintaining the pressure of the water in the internal pipelines of the system within the normal range not only ensures the stability of the system's work, but also improves the efficiency of the system.

Furthermore, the present invention is provided with several nozzles. Several nozzles are arranged around the nozzles, and the axes of the nozzles are at a certain angle. The angle of the axis of each nozzle can be adjusted as needed to achieve the purpose of spraying different areas, while ensuring the stability of the system. At the same time, it improves the efficiency of the system.

Furthermore, the present invention is equipped with a separate spray gun cabinet, which can work in places where the fine water mist dispensing system is inconvenient to reach. This ensures the stability of the system and improves the working efficiency of the system.

Furthermore, the electric valves and the electric valves in the open area group in the present invention can not only be controlled by the fine water mist controller, but also can be controlled by buttons outside the system, which ensures the stability of the system and improves the stability of the system. improve the efficiency of the system.

Description of the drawings

Figure 1 is a working principle diagram of the complete set of equipment of the 60L high-pressure water mist dispensing system according to the present invention;

Figure 2 is a structural diagram of the water pump in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 3 is an appearance structural diagram of the inverter in the complete set of equipment of the 60 L high-voltage fine water mist dispensing system according to the present invention;

Figure 4 is a structural diagram of the water mist controller in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 5 is an external interface diagram of the water mist controller in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 6 is a behavior algorithm diagram of the water mist controller in the complete set of equipment of the 60 L high-pressure water mist dispensing system of the present invention;

Figure 7 is a structural diagram of the electronic control valve in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 8 is a structural diagram of the open area valve group in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 9 is a structural diagram of the water mist nozzle in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention;

Figure 10 is a structural diagram of the spray gun cabinet in the complete set of equipment of the 60 L high-pressure water mist dispensing system according to the present invention.

Detailed ways

In order to make the purpose and advantages of the present invention more clear, the present invention will be further described below in conjunction with the examples; it should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer" and other terms indicating the direction or positional relationship are based on the figures. The directions or positional relationships shown are only for convenience of description and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the present invention.

In addition, it should be noted that in the description of the present invention, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a fixed connection. It is a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Please refer to Figure 1, which is a working principle diagram of the complete set of equipment of the 60L high-pressure water mist dispensing system according to the present invention, including:

High-pressure water pump 1, including a fixed base plate, an inverter, a motor and a water pump, is used to provide high-voltage power for the fine water mist dispensing system;

The hose 2 is used to transport the pressure water generated by the high-pressure water pump 1;

The actuator includes several nozzles 11 and several spray gun cabinets 9, which are connected to the end of the hose 2. The nozzles 11 are used to turn high-pressure water into water mist and spray it out, and the spray gun cabinets 9 are used to place the spray guns;

The regulating mechanism includes an electric control valve 3 and a number of open area valve groups 10. The electric control valve 3 is connected to the high-pressure water pump 1 and the water tank 14, and is used to control the pipeline between the high-pressure water pump 1 and the water tank 14. On-off, the open area valve group 10 is connected to the area of the nozzle 11 to receive control signals and open the corresponding valves in the valve group;

Auxiliary mechanisms, including pressure transmitters and several valves, are installed at different positions of the hose to regulate corresponding parameters during system operation;

The fine water mist controller 13 is connected to each of the above components to detect the operation and fault information of each component within the system and to process each component accordingly based on the information.

When the water mist dispensing system is preparing to work, the nozzle water mist controller 13 detects the water level information in the water tank 14 and applies the corresponding water supply amount of the water tank 14 to supply water to the water tank 14 according to the water level; When the water mist dispensing system is working, the nozzle water mist controller 13 determines to adjust the opening of the valve port of the high-pressure water pump 1 based on the detected water pressure in the internal pipes of the system. If the valve opening is reduced, After opening, the water pressure in the pipes in the system is still lower than the preset demand. The nozzle water mist controller 13 adjusts the rotation speed of the high-pressure water pump 1 to increase it to the set value. If the rotation speed of the high-pressure water pump 1 is increased, The pressure of the water inside the system pipeline has not yet reached the required pressure. The nozzle water mist controller 13 determines that the high-pressure water pump 1 is damaged and notifies the staff to perform repairs.

When the nozzle water mist controller 13 detects an external fire, the nozzle water mist controller 13 controls the electronic control valve 3 and the valves in the open area valve group 10 to open, and controls the high-pressure water pump. 1 is started, and the high-pressure water pump 1 draws fire-extinguishing water from the water tank 14. When the pipeline pressure in the water mist dispensing system is too high, the safety valve 8 is started to quickly unload the excess pressure, and then the fire-extinguishing water is adjusted by the pressure regulating valve. When the system set pressure is reached, it flows through the open area valve and sprays to the protected area through the action of the fine water mist nozzle 11 (or spray gun).

The invention is equipped with an adjustment mechanism, an auxiliary mechanism and a nozzle water mist controller 13, which can detect the operating parameters inside the system and make adjustments, and can replenish water in the water tank 14 in time, ensuring the normal operation of the system and detecting the system in time. The water pressure changes in the internal pipelines are adjusted to ensure the stability of the system and at the same time improve the efficiency of the system.

Specifically, the nozzle water mist controller 13 is provided with a first preset water level height h1 and a second preset water level height h2, h1 < h2, and the water tank 14 is provided with a position detector. When the nozzle nozzle When the water mist controller 13 controls the high-pressure water pump 1 to start, the position detector detects the water level h inside the water tank 14 and transmits it to the nozzle water mist controller 13. The nozzle water mist controller 13 detects the water level height h. h is compared with the preset water level heights h1 and h2, and the water level inside the water tank 14 is determined according to the interval where the height h is located to determine whether water supply to the water tank 14 is required;

If h≤h1, the nozzle water mist controller 13 determines that the water level in the water tank 14 is too low, and the nozzle water mist controller 13 controls the fire high-pressure water pump 1 to stop and sends out a water shortage alarm signal in the water tank 14;

If h1<h≤h2, the nozzle water mist controller 13 determines that the water level inside the water tank 14 is low, controls the fire high-pressure water pump 1 to continue running, and the nozzle water mist controller 13 sends a signal that the water tank 14 needs to add water;

If h>h3, the nozzle water mist controller 13 determines that the water level inside the water tank 14 is normal, and controls the fire high-pressure water pump 1 to continue running.

The present invention is provided with multi-level preset water level heights. The present invention determines the water volume inside the water tank 14 by judging the range of the water level height, and determines whether water supply to the water tank 14 needs to be provided based on the water volume, thereby ensuring that the system can operate normally. At the same time, the working efficiency of the system is improved.

Specifically, the nozzle fine water mist controller 13 is also provided with a first preset water tank 14 supply quantity Q1 and a second preset water tank 14 supply quantity Q2, Q1>Q2, and the water tank 14 is provided with an external There is a water supply device, which is connected to the water tank 14 through a pipeline. When h≤h1 or h1<h≤h2, the nozzle water mist controller 13 determines the water supply according to the interval of the liquid level h inside the water tank 14. The amount of water supplied by the device to the water tank 14;

When h ≤ h1, the nozzle water mist controller 13 determines that the water supply device uses the first preset water tank 14 supply amount Q1 to supply water to the water tank 14;

When h1<h≤h2, the nozzle water mist controller 13 determines that the water supply device uses the second preset water tank 14 replenishment amount Q2 to supply water to the water tank 14.

When the nozzle water mist controller 13 supplies water to the water tank 14 using the i-th preset water tank 14 supply amount Qi, set i=1, 2, and the water volume of the water tank 14 after water supply is Q', assuming Determine Q'=Q ₀ +Qi, where Q ₀ is the amount of water in the water tank 14 before water supply.

The present invention is equipped with a multi-level preset water tank 14 replenishment amount. The corresponding preset water tank 14 replenishment amount is used to replenish the water tank 14 according to the interval of the water surface height in the water tank 14. While ensuring the normal operation of the system, Improved system efficiency.

Specifically, the nozzle water mist controller 13 is provided with a first preset pipeline pressure F1, a second preset pipeline pressure F2, a first preset pump valve adjustment coefficient α1 and a second preset pump valve adjustment coefficient. α2, F1<F2, α1<1<α2, when the fine water mist dispensing system is running, the pressure transmitter detects the internal pressure F of the pipeline and transmits it to the nozzle water mist controller 13, and the nozzle fine water The mist controller 13 compares the pressure F with the preset pressures F1 and F2 and determines whether the valve port of the high-pressure water pump 1 needs to be adjusted according to the interval where the pressure F is located;

If F<F1, the nozzle water mist controller 13 determines that the internal pipeline pressure of the water mist dispensing system is too small, and uses the first preset pump valve adjustment coefficient α1 to reduce the valve port of the high-pressure water pump 1;

If F1≤F≤F2, the nozzle water mist controller 13 determines that the internal pressure fluctuation of the water mist dispensing system is within the normal range. This pressure fluctuation can be controlled through the pressure regulating valve 7 and safety valve 8 in the auxiliary mechanism. adjust;

If F>F2, the nozzle water mist controller 13 determines that the internal pipeline pressure of the water mist dispensing system is too high, and uses the second preset pump valve adjustment coefficient α2 to increase the valve port of the high-pressure water pump 1.

When the nozzle water mist controller 13 uses the i-th preset pump valve adjustment coefficient αi to adjust the valve port of the high-pressure water pump 1, setting i=1, 2, the corrected valve of the high-pressure water pump 1 The opening is A', and A'=Axαi is set, where A is the opening of the valve of the high-pressure water pump 1 before correction.

The present invention is equipped with multi-stage preset pipeline pressures and multi-stage preset pump valve adjustment coefficients. According to the range of the pressure of water in the pipes inside the water mist dispensing system, the corresponding preset pump valve adjustment coefficients are applied to determine the effect of the high-pressure water pump 1 The valve port is adjusted to adjust the pressure of the water in the pipeline to the normal range, which not only ensures the stability of the system, but also improves the efficiency of the system.

Specifically, when the fine water mist control module uses the first preset pump valve adjustment coefficient α1 to reduce the valve port of the high-pressure water pump 1, the pressure transmitter detects the adjusted internal pressure F' of the pipeline and Transmit it to the water mist module, which compares the pressure F' with F1 and determines whether the rotation speed of the high-pressure water pump 1 needs to be adjusted based on the comparison result;

If F’<F1, the nozzle water mist controller 13 determines that the adjusted water pressure in the pipeline still does not meet the requirements, and the rotation speed of the high-pressure water pump 1 needs to be further adjusted;

If F’≥F1, the nozzle water mist controller 13 determines that the process of reducing the valve opening of the high-pressure water pump 1 is effective.

The present invention compares the adjusted water pressure F' in the pipeline with F1 and determines whether the operation of reducing the valve port of the high-pressure water pump 1 is effective based on the comparison result, thereby further determining whether the rotation speed of the high-pressure water pump 1 needs to be adjusted. While ensuring the stability of the system, it also improves the efficiency of the system.

Specifically, the nozzle fine water mist controller 13 is provided with a preset rotation speed adjustment coefficient β0, β0>1, when F′<F1, the nozzle fine water mist controller 13 applies the preset rotation speed adjustment coefficient β0 to the The speed of the high-pressure water pump 1 is adjusted. The pressure transmitter detects the internal pressure F" of the pipeline after adjusting the speed of the high-pressure water pump 1 and transmits it to the fine water mist module. The fine water mist module combines the pressure F" with F1 Compare and determine the operation of high-pressure water pump 1 based on the comparison results;

If F″<F1, the nozzle water mist controller 13 determines that there is an abnormality inside the high-pressure water pump 1, and issues an abnormality warning of the high-pressure water pump 1 to notify the staff for inspection and maintenance;

If F″≥F1, the nozzle water mist controller 13 determines that the water pressure in the pipes in the water mist dispensing system is normal, and no further adjustment is required;

The present invention is provided with a preset rotational speed adjustment coefficient. When F'<F1, the present invention uses the preset rotational speed adjustment coefficient to adjust the rotational speed of the high-pressure water pump 1. After the rotational speed adjustment is completed, the pipeline pressure F" is detected and compared with it. The preset pressure F1 is compared, and based on the comparison result, it is determined whether the high-pressure water pump 1 is damaged, which not only ensures the stability of the system, but also improves the efficiency of the system.

Specifically, the nozzle water mist controller 13 is also provided with a third preset pipeline pressure F3, F1<F3<F2. When F1≤F≤F2, the fine water mist will balance the pressure F with the preset pressure F3. Compare and control the pressure regulating valve 7 and the safety valve 8 to perform corresponding actions based on the comparison results;

If F≥F3, the nozzle water mist controller 13 controls the safety valve 8 to operate to reduce the pressure of the water in the pipeline, and then operates the pressure regulating valve 7 to control the pressure of the water in the pipeline within the normal range;

If F<F3, the nozzle water mist controller 13 directly controls the pressure regulating valve 7 to operate to control the pressure of the water in the pipeline within the normal range.

The present invention also has a preset pipeline pressure F3. When F1≤F≤F2, the present invention compares the pipeline pressure F with the preset pressure F3 and determines the actions of the pressure regulating valve 7 and the safety valve 8 based on the comparison results to maintain The pressure of the water in the internal pipelines of the system is within the normal range, which not only ensures the stability of the system, but also improves the efficiency of the system.

Please refer to Figure 2, which is a structural diagram of the water pump in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The present invention uses a CWP63 water-lubricated high-pressure plunger pump, which uses the axial multi-plunger principle. The size is more compact, and the fluid itself is used to lubricate the moving parts of the pump without lubricating oil. Among them, 201 is the front end cover, 202 is the swash plate, 203 is the ball joint, 204 is the shell component, and 205 is the cylinder component. 206 is the floating plate assembly, 207 is the valve plate, 208 is the sealing ring, 209 is the screw, 215 is the rear end cover, 216 is the pin, 217 is the elastic retaining ring, 218 is the spring seat, 219 is the center spring, and 220 is the column. Plug sliding shoe assembly, 221 is the return disk, and 222 is the mechanical seal.

Please refer to Figure 3, which is an outline structural diagram of the inverter in the complete set of equipment for the 60 L high-voltage water mist dispensing system of the present invention. In the present invention, the inverter used in the high-pressure water pump is HOWE-NB15KWD284 inverter. , applying three-phase two-level inverter technology and Infineon IGBT module design, using external air duct air cooling for heat dissipation. The inverter includes a main body, a heat dissipation cavity, a cover plate and a filter. The chassis is made of corrosion-resistant alloy material, and all corners and edges of the chassis are chamfered to avoid injury to personnel or damage to other equipment. The overall dimensions of the inverter are: 225mm (width) × 350 (depth) × 225mm (height).

Please refer to Figure 4, which is a structural diagram of the water mist controller in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The function of the water mist controller is to respond to the startup of the high-pressure water pump by the spray gun cabinet. request signal to complete the start and stop control of the water pump, and in the event of a fire, the one-key start function of the fine water mist controller is used to realize the automatic start function of the open area valve group, electronic control valve, and high-pressure water pump, and in fine The water mist controller is equipped with indicator lights and a touch screen to display the working status of the valve and high-pressure water pump respectively, and the touch screen displays alarm information, water tank level height and pressure sensor value information.

In Figure 4, 401 is the spray gun cabinet indicator light, 402 is the main pipe pressure switch indicator light, 403 is the buzzer alarm, 404 is the zone valve 2 status indicator light, 405 is the pressure switch 1 indicator light, and 406 is the zone valve 1 status indicator Lights, 407 is the zone valve 2 status indicator light, 408 is the zone valve 3 status indicator light, 409 is the water tank electric control valve open button, 410 is the touch screen, 411 is the zone valve 3 status indicator light, 412 is the water tank electric control valve Status indicator light, 413 is the reset button, 414 is the motor start button, 415 is the motor stop button, and 416 is the water tank electric control valve close button.

Please refer to Figures 5 and 6, which are respectively the external interface diagram of the water mist controller and the behavior algorithm diagram of the water mist controller in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. When the system is ready When working, the liquid level in the water tank is detected. When the water volume in the water tank is sufficient, it is detected whether the electric control valve is open, that is, whether the pipeline between the high-pressure water pump and the water tank is connected. When the electric control valve is opened, the control starts of the area valve. The valve in the group is opened, the water pump is started, and the fire is extinguished. At the same time, when the system is working, along with the work of the device, the indicator light on the water mist controller also flashes accordingly.

Please refer to Figure 7, which is a structural diagram of the electronic control valve in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The present invention uses the DKV4016 electric control valve, and the action mode of the valve is distributed pilot direct-acting. The connection method is flange connection. The valve is powered by a fine water mist controller. It has a short electromagnetic response time and a sensitive response. It can be opened and closed manually locally or remotely on the water mist controller. It has It has the advantages of reliable sealing, high flow capacity and high corrosion resistance.

Please refer to Figure 8, which is a structural diagram of the open area valve group in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The open area valve group is used to receive the control signal from the fire alarm controller to open the corresponding The partition electric stop valve releases fine water mist into the protected area to extinguish the fire. This invention uses the XSW-FZ 15/14 type valve group. The open partition valve group consists of an electric valve 801, a junction box, a pressure switch 802, a pressure gauge 803 and stainless steel The core component of the electric valve uses an electric actuator to directly drag the valve core to open and close the valve port. The electric valve can be opened and closed locally, and can be opened remotely via fine water mist control. At the same time, the electric valve can be controlled by fine water mist. The device can display its status.

Please refer to Figure 9, which is a structural diagram of the fine water mist nozzle in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The fine water mist nozzle includes a nozzle assembly 5, an open nozzle housing 4, and a sealing ring 3 , filter 2 and connector 1. The fine water mist nozzle adopts a radial design. Multiple small nozzles are installed on a diverter cover. The axes of the small nozzles are at a certain angle. The advantage is that it can be controlled by different angles of the small nozzle axes. Adjust the spray angle of the nozzle so that the adjustment does not affect the atomization performance of the nozzle. The flow rate of each small nozzle can be designed to be smaller, and the angle can also be smaller. This can ensure a larger spray range and better mist. chemical quality. The specific plan is to evenly arrange 6 nozzles around the circumference of the center of the nozzle, and these 6 nozzles form a certain angle with the axis of the nozzle.

Please refer to Figure 10, which is an outline structural diagram of the spray gun cabinet in the complete set of equipment for the 60 L high-pressure water mist dispensing system of the present invention. The spray gun cabinet includes a remote start junction box 1001, a pressure gauge 1002, a high-pressure ball valve 1003, and fine water mist. The spray gun 1004, high-pressure hose and reel 1005 are used in the present invention. The "XSW-PQ 15/14 type spray gun cabinet" is used. A fire high-pressure water pump start demand button is provided in the spray gun cabinet. After pressing the button, the fine water mist controller can receive the Demand signals.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings. However, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or replacements to relevant technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention; for those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A 60L high pressure fine mist dispensing system kit, comprising:

the high-pressure water pump comprises a fixed seat plate, an inverter, a motor and a water pump, and is used for providing high-pressure power for the water mist discharge system;

a hose for transporting the pressurized water generated by the high-pressure water pump;

the actuating mechanism comprises a plurality of spray heads and a plurality of spray gun cabinets, the spray heads are connected with the tail ends of the hoses, the spray heads are used for converting high-pressure water into water mist to be sprayed out, and the spray gun cabinets are used for placing spray guns;

the adjusting mechanism comprises an electric control valve and a plurality of open area valve groups, the electric control valve is connected with the high-pressure water pump and the water sump and used for controlling the on-off of a pipeline between the high-pressure water pump and the water sump, and the open area valve groups are connected with the spray head areas and used for receiving control signals and opening corresponding valves in the valve groups;

the auxiliary mechanism comprises a pressure transmitter and a plurality of valves, and is arranged at different positions of the hose and used for regulating and controlling corresponding parameters in the running process of the system;

the fine water mist controller is connected with corresponding components in the high-pressure water pump, the executing mechanism, the regulating mechanism and the auxiliary mechanism respectively, and is used for detecting operation and fault information of all components in the system and correspondingly processing all the components according to the information; when the fine water mist applying system works, the fine water mist controller judges the opening of the valve port of the high-pressure water pump according to the detected pressure of the water in the pipeline in the system, if the opening of the valve is reduced, the pressure of the water in the pipeline in the system is still lower than a preset requirement, the fine water mist controller regulates the rotating speed of the high-pressure water pump to increase the rotating speed to a set value, if the rotating speed of the high-pressure water pump is increased, the pressure of the water in the pipeline in the system still does not reach the required pressure, and the fine water mist controller judges that the high-pressure water pump is damaged and informs workers to maintain;

the water mist spraying system comprises a water mist spraying controller, a pressure transmitter and a water mist spraying system, wherein a first preset pipeline pressure F1, a second preset pipeline pressure F2, a first preset pump valve regulating coefficient alpha 1 and a second preset pump valve regulating coefficient alpha 2 are arranged in the water mist spraying controller, F1 is smaller than F2, alpha 1 is smaller than 1 and smaller than alpha 2, when the water mist spraying system operates, the pressure transmitter detects the pipeline internal pressure F and transmits the pipeline internal pressure F to the water mist spraying controller, the water mist spraying controller compares the pressure F with preset pressures F1 and F2, and whether the valve port of the high-pressure water pump needs to be regulated is judged according to the interval where the pressure F is located;

if F is smaller than F1, the fine water mist controller judges that the pressure of an internal pipeline of the fine water mist applying system is too small, and a first preset pump valve adjusting coefficient alpha 1 is applied to reduce the valve port of the high-pressure water pump;

if F1 is less than or equal to F2, the fine water mist controller judges that the internal pressure fluctuation of the fine water mist applying system is in a normal range, and the pressure fluctuation can be regulated through a pressure regulating valve and a safety valve in the auxiliary mechanism;

if F is more than F2, the fine water mist controller judges that the pressure of an internal pipeline of the fine water mist applying system is overlarge, and a second preset pump valve adjusting coefficient alpha 2 is applied to increase the valve port of the high-pressure water pump;

when the fine water mist controller applies the i-th preset pump valve adjusting coefficient alpha i to adjust the valve port of the high-pressure water pump, setting i=1 and 2, setting the opening of the valve of the high-pressure water pump after correction as A ', and setting A' =Axalpha i, wherein A is the opening of the valve of the high-pressure water pump before correction;

when the fine water mist control module applies a first preset pump valve adjusting coefficient alpha 1 to reduce the valve port of the high-pressure water pump, the pressure transmitter detects the internal pressure F ' of the adjusted pipeline and transmits the internal pressure F ' to the fine water mist module, and the fine water mist module compares the pressure F ' with the pressure F1 and judges whether the rotating speed of the high-pressure water pump needs to be adjusted according to a comparison result;

if F' < F1, the water mist controller judges that the pressure of the water in the adjusted pipeline is still not satisfactory, and the rotating speed of the high-pressure water pump needs to be further adjusted;

if F' is more than or equal to F1, the water mist controller judges that the treatment of reducing the opening of the valve port of the high-pressure water pump is effective;

the water mist controller is internally provided with a preset rotating speed adjusting coefficient beta 0, beta 0 is more than 1, when F '< F1, the water mist controller adjusts the rotating speed of the high-pressure water pump by applying the preset rotating speed adjusting coefficient beta 0, the pressure transmitter detects the pipeline internal pressure F' after the rotating speed of the high-pressure water pump is adjusted and transmits the pipeline internal pressure F 'to the water mist module, and the water mist module compares the pressure F' with F1 and judges the running condition of the high-pressure water pump according to the comparison result;

if F' < F1, the water mist controller judges that the inside of the high-pressure water pump is abnormal, and sends out an abnormality warning of the high-pressure water pump to inform a worker to check and maintain;

if F' -is more than or equal to F1, the water mist controller judges that the pressure of water in the pipeline of the water mist discharge system is normal, and no further adjustment is needed.

2. The complete equipment of the 60L high-pressure fine water mist applying system according to claim 1, wherein a first preset water level height h1 and a second preset water level height h2 are arranged in the fine water mist controller, h1 is smaller than h2, a position detector is arranged in the water sump, when the fine water mist controller controls the high-pressure water pump to start, the position detector detects the water level height h in the water sump and transmits the water level h to the fine water mist controller, the fine water mist controller compares the water level height h with the preset water level heights h1 and h2, and the water level condition in the water sump is judged according to the interval where the water level h is positioned so as to judge whether the water sump needs to be supplied with water or not;

if h is less than or equal to h1, the fine water mist controller judges that the water level in the water bin is too low, and the fine water mist controller controls the fire-fighting high-pressure water pump to stop and sends out a water bin water shortage alarm signal;

if h1 is more than h and less than or equal to h2, the fine water mist controller judges that the water level in the water bin is low, the fire-fighting high-pressure water pump is controlled to continue to operate, and the fine water mist controller sends a water adding signal to the water bin;

if h is more than h3, the fine water mist controller judges that the water level in the water bin is normal, and the fire-fighting high-pressure water pump is controlled to continue to operate.

3. The complete equipment of the 60L high-pressure fine water mist applying system according to claim 2, wherein a first preset water sump supply quantity Q1 and a second preset water sump supply quantity Q2 are further arranged in the fine water mist controller, a water supply device is arranged outside the water sump and is connected with the water sump through a pipeline, and when h is less than or equal to h1 or h1 is less than or equal to h2, the fine water mist controller judges the water supply quantity supplied to the water sump by the water supply device according to the interval where the liquid level height h in the water sump is located;

when h is less than or equal to h1, the fine water mist controller judges that the water supply device supplies water to the water sump by using a first preset water sump supply quantity Q1;

when h1 is more than h and less than or equal to h2, the fine water mist controller judges that the water supply device supplies water to the water sump by using a second preset water sump supply quantity Q2;

when the fine water mist controller supplies water to the water sump by applying the ith preset water sump supply quantity Qi, setting i=1, 2, setting the water quantity of the water sump after water supply as Q ', and setting Q' =q ₀ +Qi, where Q ₀ Is the water quantity in the water bin before water supply.

4. The complete equipment of the 60L high-pressure fine water mist applying system according to claim 1, wherein the fine water mist controller is further provided with a third preset pipeline pressure F3, F1 is smaller than F3 and smaller than F2, when F1 is smaller than or equal to F2, the fine water mist compares the pressure F with the preset pressure F3, and the pressure regulating valve and the safety valve are controlled to act correspondingly according to the comparison result;

if F is more than or equal to F3, the water mist controller controls the safety valve to act so as to reduce the pressure of the water in the pipeline, and then the pressure regulating valve is used for acting so as to control the pressure of the water in the pipeline within a normal range;

if F is less than F3, the water mist controller directly controls the pressure regulating valve to act so as to control the pressure of the water in the pipeline within a normal range.

5. The complete equipment of the 60L high-pressure fine water mist applying system according to claim 1, wherein a spray head protection area is arranged at the tail end of an actuating mechanism of the fine water mist applying system, a plurality of spray heads are arranged below the spray head protection area, a plurality of spray nozzles are circumferentially arranged on the spray heads, the axes of the spray nozzles form a certain angle, and when the fine water mist controller detects an area needing to spray water, the axis angle change of each spray nozzle is controlled to realize the omnibearing spraying of the system on the water spraying area.

6. The 60L high pressure fine mist dispensing system kit of claim 1, wherein a fire control high pressure water pump activation demand button is provided within the spray gun cabinet, and when the demand button is depressed, the fine mist controller receives a demand signal and controls the high pressure water pump activation to deliver high pressure water to the spray gun cabinet through a system internal conduit, the spray gun cabinet being provided with a plurality of spray guns and hoses for connecting the spray guns to the piping of the fine mist dispensing system.

7. The 60L high pressure fine mist dispensing system kit of claim 1, wherein the fine mist controller controls the on-off of the electrically controlled valve and each electrically operated valve in the open area valve block, and the electrically operated valve in the electrically controlled valve and the open area valve block can also be on-off via corresponding buttons provided on the exterior of the fine mist dispensing device.