Secondary water supply equipment control method and control system thereof

Abstract

The invention discloses a control method and a control system of secondary water supply equipment. According to the method, the water pressure and the water flow in a water supply pipeline and the running state of water equipment are monitored in real time through a sensor, the current needed water supply amount is calculated based on a control algorithm, starting, stopping and running parameters of a water pump are automatically adjusted, and it is ensured that the water supply amount is matched with the actual requirement. The system has self-adaptive adjustment and emergency treatment functions, when abnormal conditions are detected, quick response can be achieved, and the stability and safety of the water supply system are guaranteed. The system is suitable for various application scenes such as high-rise buildings, industrial parks, municipal water supply networks, smart homes and tourism resorts, and has the remarkable advantages that the water supply efficiency is improved, energy is saved, and waste of water resources is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of water supply equipment control, and in particular to a secondary water supply equipment control method and a control system thereof. Background Art

[0002] With the acceleration of urbanization and the improvement of residents' living standards, the demand for water supply systems is increasing. The rapid development of high-rise buildings, the construction of large industrial parks and the rise of tourist resorts have put forward higher requirements for the stability, reliability and intelligence of water supply systems. In traditional water supply systems, water pressure support is mainly provided by a single water pump or water supply facility. However, this method often shows obvious limitations when facing complex and changing water use environments.

[0003] First, there are certain bottlenecks in the application of traditional water supply systems in high-rise buildings. Since high-rise buildings have significant height differences, water pressure varies with the height of the floors. If the water supply system cannot be adjusted in real time according to the water demand of different floors, it will often lead to insufficient water supply for high-rise residents, while low-rise residents may face excessive water pressure, which not only affects the daily water use experience of residents, but may also cause damage to the water supply pipelines. Traditional water supply methods usually rely on booster pump stations to solve this problem, but due to the fixed output characteristics of booster pump stations, it is difficult to achieve precise control of water supply and energy-saving optimization.

[0004] Secondly, in large industrial parks, the water demand of different factories varies greatly, and due to the frequent start and stop of production equipment, the water supply system needs to have strong dynamic adjustment capabilities. When faced with such a complex and changeable water environment, traditional water supply systems can only adopt the method of oversupply to ensure that there is no shortage of water during peak demand. However, this method leads to a large amount of water resource waste and high energy consumption, and cannot meet the requirements of modern industrial energy conservation and emission reduction. In addition, when the water supply demand of a factory suddenly increases, if the water supply system does not respond in time, it may cause serious consequences such as factory shutdown.

[0005] In the municipal water supply system, the water supply range is wide, the water-using population is large, and the water demand is affected by many factors such as weather, season, and time period. The design and management of the municipal water supply system need to take these complex factors into consideration. Traditional water supply systems usually lack sufficient flexibility and response capabilities when dealing with sudden water demand or responding to extreme weather events. For example, during the high temperatures in summer, the water demand of residents surges, and traditional water supply systems may find it difficult to quickly adjust the water supply, resulting in water shortages in some areas. At night or during non-peak hours when water demand is low, traditional systems still maintain high-load operation, resulting in a lot of energy waste.

[0006] The rise of smart homes has further highlighted the limitations of traditional water supply systems. As more and more families adopt smart devices for daily management, home water supply systems also need to be intelligent and automated to meet the personalized water needs of different family members at different times. Traditional home water supply systems are usually unable to flexibly adjust according to real-time water demand, resulting in insufficient water pressure during peak water use or wasted energy during low water use. In addition, traditional systems are insufficient in detecting and responding to sudden water supply problems (such as pipeline leaks), and it is difficult to respond in a timely manner through remote control and instant notification, posing a hidden danger to home water safety.

[0007] In tourist resorts, especially those located in mountains or on the seaside, water demand fluctuates greatly due to the seasonal number of tourists. Traditional water supply systems are difficult to flexibly respond to changes in water demand in different time periods in such an environment. Usually, they can only be solved by manual adjustment or increasing the redundancy of water supply equipment, but this is obviously inefficient and not sustainable in the long run. At the same time, the water supply system of the resort also needs to deal with special problems that may arise due to the geographical location, such as unstable water pressure in high-altitude areas and water quality problems in coastal areas, which puts higher requirements on the intelligence and automation of the water supply system.

[0008] In recent years, with the rapid development of emerging technologies such as the Internet of Things (IoT), big data, and artificial intelligence (AI), the intelligent upgrade of water supply systems has become possible. By monitoring the operating status of the water supply system in real time through sensor networks, using big data analysis to predict water supply demand, and combining artificial intelligence algorithms to achieve adaptive adjustment of the system, the intelligent water supply system can ensure the stability of water supply while greatly improving energy efficiency, reducing water waste, and providing safer and more reliable water supply services.

[0009] Based on this, the present invention proposes a secondary water supply equipment control method and control system, aiming to solve the problems of unstable water pressure, energy waste, insufficient emergency response capability, etc. in the existing water supply system through intelligent control means. The system can monitor the water pressure, water flow and operating status of water-using equipment in the water supply pipeline in real time, calculate the current required water supply through the control algorithm, and automatically adjust the operating parameters of the water pump according to actual needs to achieve efficient, energy-saving and stable water supply effects. The system also has emergency handling capabilities and can respond quickly when abnormal conditions are detected to ensure the safety and continuity of the water supply system. This innovative control method and system have shown wide applicability and significant technical advantages in different application scenarios such as high-rise buildings, industrial parks, municipal water supply networks, smart homes and tourist resorts. Summary of the invention

[0010] The object of the present invention is to provide a secondary water supply equipment control method and a control system thereof to solve the problems raised by the above-mentioned background technology.

[0011] To achieve the above object, the present invention provides the following technical solution: a control method for secondary water supply equipment, the method comprising the following steps:

[0012] Step 1: Use sensors to monitor the water pressure P(t), water flow Q(t) and operating status of water-using equipment in the water supply pipeline in real time;

[0013] Step 2: Based on the monitored data, calculate the current required water supply Q through the following control formula: desired (t), and control the start and stop and operating frequency of the water pump:

[0014] Q desired (t)=K1·Q(t)+K2·P(t)+K3·ΔQ(t)

[0015] Among them, K1, K2, K3 are control coefficients, and ΔQ(t) is the instantaneous rate of change of water flow;

[0016] Step 3: When the water consumption Q(t) changes, automatically adjust the working parameters F(t) of the water pump to make the water supply Q output (t) and water demand Q desired (t) match;

[0017] Step 4: Set the safety thresholds of water pressure P(t) and water flow Q(t). If it is detected that the set values ​​are exceeded, the system will issue an alarm and activate the emergency plan.

[0018] As a preferred technical solution of the present invention, the control coefficients K1, K2, and K3 in the control formula can be adaptively adjusted according to historical data and actual operating conditions to meet the needs under different water supply environments.

[0019] As a preferred technical solution of the present invention, the adjustment of the water pump operating parameter F(t) in step 3 includes changing the frequency f(t) and power P of the water pump. pump (t), to meet the following conditions:

[0020] Q output (t) = F(t)·Q desired (t)

[0021] Among them, F(t) is the regulation coefficient of the water pump.

[0022] As a preferred technical solution of the present invention, the frequency f(t) and power P of the water pump pump (t) is adjusted according to the following formula:

[0023]

[0024] Among them, F(t) is the regulation coefficient of the water pump.

[0025] As a preferred technical solution of the present invention, the frequency f(t) and power P of the water pump pump (t) is adjusted according to the following formula:

[0026]

[0027] Among them, f base is the base frequency of the water pump, P base is the reference power, Q max The maximum water supply.

[0028] As a preferred technical solution of the present invention, the method further includes receiving and sending control instructions through a remote communication module, and remotely monitoring and adjusting the water supply system.

[0029] As a preferred technical solution of the present invention, the emergency plan includes starting a backup water pump, reducing the water supply pressure or temporarily interrupting the water supply to some water-using equipment to ensure the overall stability of the system.

[0030] The present invention also proposes a secondary water supply equipment control system, comprising the following modules:

[0031] The sensor module is used to monitor the water pressure P(t), water flow Q(t( and the operating status of water-using equipment in the water supply pipeline in real time;

[0032] The controller module is used to calculate the water supply Q through the control formula according to the data of the sensor module desired *t), and control the start and stop of the water pump and the operating parameters F(t);

[0033] Communication module, used to receive and send remote control instructions to achieve remote monitoring and adjustment;

[0034] The emergency module is used to execute emergency plans in abnormal situations to ensure the stability of the water supply system.

[0035] As a preferred technical solution of the present invention, the sensor module includes a water pressure sensor, a water flow sensor and a temperature sensor. The temperature sensor is used to monitor the water supply temperature and adjust the working parameters of the water pump according to temperature changes.

[0036] As a preferred technical solution of the present invention, the emergency module immediately starts the backup water supply system or issues a fault alarm when a system failure or abnormality is detected, and the backup water supply system includes an independent water pump and control unit to ensure that basic water supply can be maintained when the main water supply system fails.

[0037] Compared with the prior art, the present invention has the following beneficial effects: first, the present invention significantly enhances the stability of the water supply system by real-time monitoring of the water pressure and water flow in the water supply pipeline and dynamically adjusting the operating state of the water pump using an intelligent control algorithm. Under different water demand scenarios, the present invention can ensure the constant water supply pressure, which is particularly suitable for high-rise buildings and industrial parks, and avoids the problems of insufficient or excessive water supply commonly seen in traditional systems.

[0038] Secondly, the present invention optimizes energy efficiency by automatically adjusting the frequency and power of the water pump according to actual water demand. Compared with the traditional system, the phenomenon of frequent start and stop or high-load operation of the water pump is reduced, thereby significantly reducing the energy consumption and operating costs of the water supply system and improving the overall economy.

[0039] Finally, the present invention also has adaptive regulation and emergency handling functions. When the water supply system detects an abnormal situation, it can respond quickly, start the backup water pump or take other emergency measures to ensure the continuity and safety of water supply. At the same time, through intelligent regulation, the present invention effectively reduces the waste of water resources and further improves the sustainability of the water supply system. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 This is a method flow chart of a secondary water supply equipment control method proposed by the present invention. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Example 1: Application of water supply system in high-rise residential buildings

[0043] In a high-rise residential building, the water demand varies significantly over time. To ensure that each household can get stable water pressure and water volume during peak and off-peak periods, the system adopts the following control methods:

[0044] Water supply demand calculation formula

[0045] Q desired *t(=K1·Q*t(+K2·P(t)+K3·ΔQ(t)

[0046] Among them, Q desired (t) is the current required water supply, K1, K2, K3 are control coefficients, and ΔQ(t) is the instantaneous rate of change of water flow.

[0047] Pump frequency adjustment formula

[0048]

[0049] Among them, f(t) is the current operating frequency of the pump, f base is the base frequency of the water pump, Q max The maximum water supply of the system.

[0050] Pump power adjustment formula

[0051]

[0052] Among them, P pump (t) is the current power of the water pump, P base is the reference power.

[0053] Control logic: In the system, sensors monitor the water pressure P(t) and water flow Q(t) in the water supply pipe in real time. When an increase in water demand is detected (such as during the morning peak), the system increases the operating frequency and power of the water pump through a calculation formula to ensure that the water supply can meet the needs of residents. Conversely, when water demand is low at night, the system automatically reduces the frequency and power of the water pump to achieve energy-saving effects.

[0054] Emergency handling: When the water pressure P(t) or water flow Q(t) exceeds the safety threshold, the system will immediately trigger the emergency plan, start the backup water pump or sound an alarm to ensure the continuity and safety of the water supply system.

[0055] Example 2: Application of water supply system in industrial park

[0056] In large industrial parks, the water demand and fluctuation of each factory building are large. In order to meet the water supply needs of different factories, the system needs to independently adjust the water supply for each area.

[0057] Regional water supply demand calculation formula

[0058]

[0059] Among them, Q zone (t) is the total water demand in the region, Q i (t) and P i (t) are the water flow and water pressure of the i-th plant, K 1i and K 2i is the control coefficient of the plant.

[0060] Multi-zone adjustment formula

[0061]

[0062] Among them, F*t(is the adjustment coefficient, which is used to control the operating parameters of the water pump in this area.

[0063] Control logic: The sensor modules installed in each plant monitor the water pressure and water flow in real time. The system calculates the total water supply demand in the area based on the real-time water usage data of each plant, and dynamically adjusts the operating frequency and power of the water pump to ensure that each plant can get enough water and the overall operation of the water supply system is stable.

[0064] Emergency handling: If the water supply demand of a plant suddenly increases, or an abnormal situation such as a pipeline leak is detected, the system will quickly adjust the water supply strategy of the area, start the backup water pump, and notify the management staff through the communication module.

[0065] Example 3: Application in municipal water supply system

[0066] The complexity of municipal water supply systems requires more precise and comprehensive control methods. The system covers a wide area and water demand is affected by multiple factors such as weather, season and time of day.

[0067] Calculation formula for the city's water supply demand

[0068]

[0069] Among them, Q city (t) is the total water supply demand in the city, Q j (t) and P j (t) is the water flow and water pressure of the jth block, K 1j and K 2j is the control coefficient of this block.

[0070] Overall system adjustment formula

[0071]

[0072] Among them, f total (t) and P total (t) are the total frequency and total power of the city’s water supply system respectively.

[0073] Control logic: Sensor modules are installed on each main pipeline of the municipal water supply network to monitor the water supply of each block in real time. The system adjusts the frequency and power of each main water pump in a unified manner according to the city's water demand to ensure the stability and consistency of the city's water supply.

[0074] Emergency treatment: When faced with sudden large water demand or pipeline leakage, the system can quickly adjust the water supply strategy or start the backup water pump to ensure the normal operation of the water supply network. Through the communication module, the system can also notify the municipal management department in real time to carry out on-site treatment.

[0075] Example 4: Application in smart home water supply management

[0076] The popularity of smart homes has put forward new requirements for the intelligent management of household water supply. The control method of household water supply system needs to take into account both energy saving and water supply stability.

[0077] Household water demand calculation formula

[0078] Q home (t) = K1·Q(t) + K2·P(t)

[0079] Among them, Q home (t) is the current water supply demand of the household, and K1 and K2 are control coefficients.

[0080] Household water pump adjustment formula

[0081]

[0082] Among them, f home (t) and P home (t) are the current frequency and power of the household water pump respectively.

[0083] Control logic: The system monitors water pressure and flow in real time through sensors installed on household water supply pipes, and automatically adjusts the operating status of the water pump to ensure that the household has sufficient water during peak water usage periods (such as morning or dinner time), and reduces the operating frequency and power of the water pump during off-peak periods to achieve energy saving.

[0084] Emergency response: When a pipe leak or water equipment failure is detected, the system automatically closes the main water supply valve and sends an alarm to the user through the home's smart devices (such as mobile phone apps or smart speakers) to avoid further losses.

[0085] Example 5: Application in water supply system of tourist resort

[0086] The water supply demand in tourist resorts varies greatly in time and space. In order to cope with these changes, the system needs to manage water supply in different areas independently.

[0087] Resort water supply demand calculation formula

[0088]

[0089] Among them, Q resort (t) is the total water demand of the resort, Q k (t) and P k (t) is the water flow and water pressure in the kth region, K 1k and K 2k is the control coefficient of this area.

[0090] Water supply system regulation formula

[0091]

[0092] The system uses this adjustment factor F resort (t) Dynamically adjust the water pump parameters in each area to ensure reasonable distribution of water supply and energy saving.

[0093] Control logic: Sensor modules are installed at each major water supply node in the resort to monitor the water supply in each area in real time. Based on the monitored data, the system automatically calculates the water supply demand of each area and adjusts the frequency and power of the water pump to meet the water demand of different areas and time periods. For example, in the swimming pool area where tourists gather during the day, the system will increase the water supply, and reduce the water supply at night or in areas with fewer tourists.

[0094] Emergency response: When abnormal water pressure or water flow is detected in a certain area, the system will immediately adjust the water supply strategy for that area and notify the resort management staff to conduct on-site processing to ensure the continuity of the water supply system.

[0095] Through the detailed description of the above specific embodiments, the present invention demonstrates its wide application in real-time monitoring, intraoperative application, data analysis and playback, and all technical details and algorithm formulas are concretized to ensure the effectiveness and reliability of the system. These embodiments show how to effectively integrate the various functional modules of the system to provide a comprehensive cardiac function monitoring solution.

[0096] The above embodiments are specific implementations of the present invention, and those skilled in the relevant technical field can make different changes and modifications based on the content of the present invention without departing from the spirit and scope of the present invention. Therefore, all equivalent implementations that do not depart from the spirit and scope of the present invention should be included in the protection scope of the present invention.

[0097] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A control method for secondary water supply equipment, characterized in that: The method comprises the following steps: Step 1: Use sensors to monitor the water pressure P(t), water flow Q(t) and operating status of water-using equipment in the water supply pipeline in real time; Step 2: Based on the monitored data, calculate the current required water supply Q through the following control formula: desired (t), and control the start and stop and operating frequency of the water pump: Q desired (t)=K1·Q(t)+K2·P(t)+K3·ΔQ(t) Among them, K1, K2, K3 are control coefficients, and ΔQ(t) is the instantaneous rate of change of water flow; Step 3: When the water consumption Q(t) changes, automatically adjust the working parameters F(t) of the water pump to make the water supply Q output (t) and water demand Q desired (t) match; Step 4: Set the safety thresholds of water pressure P(t) and water flow Q(t). If it is detected that the set values ​​are exceeded, the system will issue an alarm and activate the emergency plan.

2. A control method for secondary water supply equipment according to claim 1, characterized in that: The control coefficients K1, K2, K3 in the control formula can be adaptively adjusted according to historical data and actual operating conditions.

3. The control method of a secondary water supply device according to claim 1, characterized in that: The adjustment of the pump operating parameters F(t) in step 3 includes changing the frequency f(t) and power P of the pump. pump (t), to meet the following conditions: Q output (t)=F(t)·Q desired (t) Among them, F(t) is the regulation coefficient of the water pump.

4. A control method for secondary water supply equipment according to claim 3, characterized in that: The frequency f(t) and power P of the water pump pump (t) is adjusted according to the following formula: Among them, F(t) is the regulation coefficient of the water pump.

5. The control method of a secondary water supply device according to claim 3, characterized in that: The frequency f(t) and power P of the water pump pump (t) is adjusted according to the following formula: Among them, f base is the base frequency of the water pump, P base is the reference power, Q max The maximum water supply.

6. The control method of a secondary water supply device according to claim 1, characterized in that: The method further includes receiving and sending control instructions through a remote communication module, and remotely monitoring and adjusting the water supply system.

7. A control method for secondary water supply equipment according to claim 1, characterized in that: The emergency plan includes starting standby water pumps, reducing water supply pressure or temporarily interrupting water supply to some water-using equipment to ensure the overall stability of the system.

8. A secondary water supply equipment control system, characterized in that: Includes the following modules: Sensor module: used to monitor the water pressure P(t), water flow Q(t) in the water supply pipeline and the operating status of water-using equipment in real time; Controller module: used to calculate the water supply Q through the control formula according to the data of the sensor module desired (t), and control the start and stop of the water pump and the operating parameters F(t); Communication module: used to receive and send remote control instructions to achieve remote monitoring and adjustment; Emergency module: used to execute emergency plans in abnormal situations to ensure the stability of the water supply system.

9. A secondary water supply equipment control system according to claim 7, characterized in that: The sensor module includes a water pressure sensor, a water flow sensor and a temperature sensor. The temperature sensor is used to monitor the water supply temperature and adjust the working parameters of the water pump according to the temperature change.

10. A secondary water supply equipment control system according to claim 7, characterized in that: When the emergency module detects a system failure or anomaly, it immediately starts the backup water supply system or issues a failure alarm, and the backup water supply system includes an independent water pump and a control unit.

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