Efficient liquid control system

Abstract

The utility model relates to an efficient liquid control system which comprises a pure water container used for storing pure water; water inlets of the plurality of groups of water conveying systems are respectively connected to a water outlet of the pure water container, and the plurality of groups of water conveying systems are used for supplying water to water purification equipment; the water conveying system comprises a standard adding tank and a variable-frequency constant-pressure pump, a water inlet of the standard adding tank is connected to a water outlet of the pure water container, and a water outlet of the standard adding tank is connected to a water inlet of the variable-frequency constant-pressure pump; the water delivery system further comprises two sets of connectors, water inlets of the two sets of connectors are connected to a water outlet of the variable-frequency constant-pressure pump, the connectors are used for being externally connected with water purification equipment, and the water delivery system has the effect that liquid to be detected can stably flow into the water purification equipment.

Description

Technical Field

[0001] The present application relates to the field of water quality detection, and particularly to an efficient liquid control system. Background Art

[0002] The main purpose of water source detection is to ensure water quality safety and protect public health. By scientifically analyzing the physical, chemical, and biological indicators in the water source, potential water pollution problems can be detected and controlled in a timely manner, providing a reliable basis for safe water supply.

[0003] In water source detection, the role and purpose of spiking are to add a standard substance with a known concentration to the water sample to be tested, so as to evaluate the accuracy, sensitivity, and reliability of the detection method, ensure the scientific nature and accuracy of the detection results, and thus more effectively monitor and control the pollutants in the water source to ensure water quality safety.

[0004] In the actual liquid detection process, it is necessary to make the liquid flow into the water purification device stably. Through the cooperation of each detection component and the controller in the water purification device, the detection of the liquid to be tested is completed. However, in actual applications, the filter component of the water purification device may become blocked, causing a change in the amount of liquid flowing into the detection device instantaneously, affecting the variables set for liquid detection, and thus affecting the detection results. Utility Model Content

[0005] In order to make the liquid to be tested flow into the water purification device stably, the present application provides an efficient liquid control system.

[0006] The efficient liquid control system provided by the present application adopts the following technical solutions:

[0007] An efficient liquid control system includes a pure water container for storing pure water;

[0008] A number of water delivery systems, the water inlets of the number of water delivery systems are respectively connected to the water outlet of the pure water

[0009] container, and the number of water delivery systems are all used for supplying water to the water purification device;

[0010] The water delivery system includes a spiking tank and a variable frequency constant pressure pump. The water inlet of the spiking tank is connected to the water outlet of the pure water container, and the water outlet of the spiking tank is connected to the water inlet of the variable frequency constant pressure pump; the water delivery system further includes two groups of interfaces, the water inlets of the two groups of interfaces are respectively connected to the water outlet of the variable frequency constant pressure pump, and the interfaces are used for externally connecting the water purification device.

[0011] By adopting the above technical solution, a pure water container is used to convey liquid to a number of water conveyance systems. Since there are a number of water conveyance systems, and each water conveyance system includes a spiking tank, the spiking requirements for different spiking substances can be met. Each water conveyance system also includes two interfaces, and two water purification devices can be detected simultaneously through the two interfaces, improving the detection efficiency. At the same time, a variable frequency constant pressure pump is beneficial to maintaining the water conveyance system. Through the adjustment of the variable frequency constant pressure pump, the pressure and flow rate of the liquid flowing from the spiking tank to the interface are in a stable state, reducing the fluctuations of the water pressure and flow rate of the liquid, and playing a positive guiding role in improving the stability of the flow rate and pressure of the liquid flowing from the interface to the water purification device.

[0012] Preferably, a first liquid flowmeter is provided at the water outlet of the pure water container. The water conveyance system further includes a first electromagnetic valve. The water inlet of the first electromagnetic valve is connected to the first liquid flowmeter, and the water outlet of the first electromagnetic valve is connected to the water inlet of the spiking tank.

[0013] By adopting the above technical solution, the first liquid flowmeter is used to detect the liquid flowing into the spiking tank. When the amount of the liquid flowing into the spiking tank meets the set value, the first electromagnetic valve can quickly close without manual intervention, which is beneficial to improving the degree of automatic control and reducing the probability of the amount of the liquid in the spiking tank being too much or too little, so as to avoid the situation where the amount of the liquid flowing into the spiking tank cannot meet the set requirements.

[0014] Preferably, a stirring component is provided in the spiking tank.

[0015] By adopting the above technical solution, the stirring component is used to stir the liquid in the spiking tank, so that the spiking substances added to the spiking tank can be evenly mixed with the liquid, reducing the probability of the situation where the spiking substances in the spiking tank are not evenly mixed and affecting the detection results of the water purification device.

[0016] Preferably, a flow control component is further included. The flow control component includes a second electromagnetic valve and a second liquid flowmeter. The water inlet of the second electromagnetic valve is connected to the water outlet of the variable frequency constant pressure pump. The water outlet of the second electromagnetic valve is connected to the second liquid flowmeter, and the second liquid flowmeter is connected to the water inlet of the interface.

[0017] By adopting the above technical solution, the second liquid flowmeter is used to detect the amount of the liquid flowing out of the water outlet of the variable frequency constant pressure pump. When the amount of the liquid flowing out of the variable frequency constant pressure pump meets the set value, the second electromagnetic valve can quickly close, reducing the probability of the situation where the amount of the liquid flowing from the interface to the water purification device cannot meet the set requirements.

[0018] Preferably, a first pressure sensor is provided at the water outlet of the variable frequency constant pressure pump, and the first pressure sensor is electrically connected to the variable frequency constant pressure pump.

[0019] By adopting the above technical solution, the first pressure sensor detects the pressure of the liquid flowing out of the water outlet of the variable frequency constant pressure pump and sends the detection signal to the variable frequency constant pressure pump, so that the variable frequency constant pressure pump can adjust its own working state in real time, which is beneficial to maintaining the stability of the pressure and flow rate of the liquid flowing out of the water outlet of the variable frequency constant pressure pump.

[0020] Preferably, it further includes a secondary conveying assembly. The secondary conveying assembly includes a first communication path. The water inlet of the first communication path is externally connected to a water supply source, and the water outlet of the first communication path can be connected to the water inlet of any one or more of the spiking tanks.

[0021] By adopting the above technical solution, the type of the liquid entering the spiking tank can be flexibly adjusted according to actual needs, and the practicability is high.

[0022] Preferably, the secondary conveying assembly further includes a second communication path. The water inlet of the second communication path is externally connected to a water supply source, and the water outlet of the second communication path is connected to the water outlet of the second solenoid valve.

[0023] By adopting the above technical solution, the liquid flowing out of the water outlet of the water supply source can be directly connected to the water outlet of the second solenoid valve without passing through the spiking tank, providing an additional liquid circulation path and more selectivity.

[0024] Preferably, it further includes an auxiliary conveying assembly. The auxiliary conveying assembly is used to convey low-flow-rate liquids. The water inlet of the auxiliary conveying assembly can be connected to the water outlet of any one of the spiking tanks, or the water inlet of the auxiliary conveying assembly can be connected to a water supply source, and the water outlet of the auxiliary conveying assembly is connected to the water outlet of the second solenoid valve.

[0025] By adopting the above technical solution, the detection requirements for low-flow-rate liquids can be met through the auxiliary conveying assembly, so that it can adapt to the purpose of sampling and detecting a small amount of water in the water purification equipment, and the operation is simple.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. The variable frequency constant pressure pump is beneficial to maintaining the water conveying system. Through the adjustment of the variable frequency constant pressure pump, the pressure and flow rate of the liquid flowing from the spiking tank to the interface are in a stable state, reducing the fluctuations of the water pressure and flow rate of the liquid, and playing a positive guiding role in improving the stability of the flow rate and pressure of the liquid flowing from the interface to the water purification equipment;

[0028] 2. Through the coordinated cooperation of the first liquid flowmeter and the first solenoid valve, the probability of the situation where the amount of liquid in the spiking tank is too much or too little, and the amount of liquid flowing into the spiking tank cannot meet the set requirements is reduced;

[0029] 3. The auxiliary conveying component can meet the detection requirements for low-flow liquids, so that it can be adapted to the purpose of small-sample detection of water purification equipment. Brief Description of the Drawings

[0030] Figure 1 It is a schematic diagram of the overall structure of an efficient liquid control system according to an embodiment of the present application.

[0031] Figure 2 It is a schematic diagram of the flow direction of liquid along the first flow path of an efficient liquid control system according to an embodiment of the present application.

[0032] Figure 3 It is a schematic diagram of the flow direction of liquid along the second flow path of an efficient liquid control system according to an embodiment of the present application.

[0033] Figure 4 It is a schematic diagram of the flow direction of liquid along the auxiliary conveying component in an efficient liquid control system according to an embodiment of the present application.

[0034] Description of the reference numerals: 1, pure water container; 2, water delivery system; 21, spiking tank; 22, variable frequency constant pressure pump; 23, interface; 24, first solenoid valve; 3, first liquid flowmeter; 4, stirring component; 5, flow control component; 51, second solenoid valve; 52, second liquid flowmeter; 6, first pressure sensor; 7, secondary conveying component; 71, first communication path; 711, third liquid flowmeter; 712, third solenoid valve; 72, second communication path; 721, fourth solenoid valve; 722, second pressure sensor; 8, auxiliary conveying component; 81, micro water pump; 82, fifth solenoid valve; 9, water pump. Detailed Description of the Embodiment

[0035] The following will Figures 1-4 make a further detailed description of the present application in conjunction with the attached

[0036] An embodiment of the present application discloses an efficient liquid control system. Referring to Figure 1 and Figure 2 , an efficient liquid control system includes a pure water container 1 for storing pure water, and several groups of water delivery systems 2. The water inlets of several groups of delivery systems are respectively connected to the water outlet of the pure water container 1, and the water delivery systems 2 are all used to supply water to the water purification equipment.

[0037] Specifically, a pure water machine is connected to the water inlet of the pure water container 1. The pure water machine is used to produce pure water, and the pure water produced by the pure water machine will be transported to the pure water container 1 through a pipeline.

[0038] Furthermore, a water pump 9 is connected to the water outlet of the pure water container 1, and the water outlet of the water pump 9 is respectively connected to several groups of water delivery systems 2, providing power for delivering the pure water in the pure water container 1 to several groups of water delivery systems 2 respectively.

[0039] Meanwhile, the "several groups of water delivery systems 2" can all work independently of each other without mutual influence, and can be increased or decreased according to actual design requirements or usage requirements. In this embodiment, three groups of water delivery systems 2 are provided, and the water inlets of the three groups of water delivery systems 2 are respectively connected to the water outlet of the water pump 9.

[0040] It should be noted here that since the components and installation methods of the three groups of water delivery systems 2 are the same, for the convenience of better explanation, any one of them will be described in detail below.

[0041] Correspondingly, referring to Figure 1 , the water delivery system 2 includes a labeling tank 21, a variable frequency constant pressure pump 22 and two groups of interfaces 23. The water inlet of the labeling tank 21 is connected to the water outlet of the pure water container 1, the water outlet of the labeling tank 21 is connected to the water inlet of the variable frequency constant pressure pump 22, the water inlets of the two groups of interfaces 23 are respectively connected to the water outlet of the variable frequency constant pressure pump 22, the interfaces 23 are used to externally connect water purification equipment, and the water delivery system 2 is electrically connected to the controller.

[0042] The "controller" mentioned here is a PLC (Programmable Logic Controller), which includes various functions such as logic control, timing control, analog control and multi-machine communication, and has a human-machine interface for easy control and adjustment of the PLC. It is an existing controller, and its specific composition and working principle will not be elaborated here.

[0043] Specifically, a first liquid flowmeter 3 is provided at the water outlet of the pure water container 1. The water delivery system 2 includes a first electromagnetic valve 24. The water inlet of the first electromagnetic valve 24 is connected to the first liquid flowmeter 3, and the water outlet of the first electromagnetic valve 24 is connected to the water inlet of the labeling tank 21.

[0044] Therefore, when it is necessary to inject liquid into the labeling tank 21, the first solenoid valve 24 is in the open state. At this time, the first liquid flowmeter 3 measures the amount of liquid flowing into the labeling tank 21. At this time, the instantaneous flow rate of the liquid entering the labeling tank 21 is 1 L / min to 30 L / min (International System of Units, liters per minute), and the accuracy is 0.1 L / min. The set detection flow range is 10 L to 1000 L, and the error is ±5%; and the detection information is sent to the controller in real time. When the amount of liquid injected into the labeling tank 21 meets the set value, the controller quickly issues a control instruction to the first solenoid valve 24, so that the second solenoid valve 51 quickly closes, which is beneficial to improving the accuracy of the amount of liquid injected into the labeling tank 21.

[0045] Correspondingly, a stirring component 4 is arranged in the labeling tank 21. The stirring component 4 is a conventional liquid mixing component. After adding the labeling substance into the labeling tank 21, the liquid in the labeling tank 21 is stirred by the stirring component 4, so that the labeling substance can be evenly dispersed in the liquid in the labeling tank 21, reducing the probability of affecting the detection result of the water purification equipment due to the uneven mixing of the labeling substance in the labeling tank 21.

[0046] On the other hand, referring to Figure 1 , it also includes a flow control component 5. The flow control component 5 includes a second solenoid valve 51 and a second liquid flowmeter 52. The water inlet of the second solenoid valve 51 is connected to the water outlet of the variable frequency constant pressure pump 22, the water outlet of the second solenoid valve 51 is connected to the second liquid flowmeter 52, and the second liquid flowmeter 52 is connected to the water inlet of the interface 23.

[0047] Specifically, the variable frequency constant pressure pump 22 controls the motor speed through a frequency converter, uses a pressure sensor to monitor and adjust the output flow and pressure in real time to ensure the constant pipeline pressure. It is mainly composed of a water pump, a frequency converter, a pressure sensor and connecting components, realizing energy-saving and efficient water supply control. Its specific composition and working principle will not be elaborated here.

[0048] It should also be mentioned here that since there are two interfaces 23, each interface 23 is connected to a flow control component 5. Since the connection relationship and components of any one interface 23 and the corresponding flow control component 5 are the same, similarly, any one of the following interfaces 23 and the corresponding flow control component 5 will be described in detail.

[0049] Therefore, when the liquid flows out of the outlet of the variable frequency constant pressure pump 22, if the interface 23 needs to supply water to the water inlet device, the second solenoid valve 51 will be in an open state, so that the liquid (constant pressure treatment, constant current treatment, or constant pressure and constant current treatment) after being processed by the variable frequency constant pressure pump 22 flows from the outlet of the variable frequency constant pressure pump 22 through the second solenoid valve 51 to the second liquid flowmeter 52. At this time, the second liquid flowmeter 52 detects the flow rate of the liquid flowing into the second solenoid valve 51 and sends the detection information to the controller in real time.

[0050] Thus, the controller detects the detection information sent by the second liquid flowmeter 52 and compares it with the set value. When the amount of the liquid flowing into the second solenoid valve 51 meets the set value, the controller quickly issues a control instruction to the second solenoid valve 51, so that the second solenoid valve 51 quickly closes. At this time, the instantaneous flow rate of the liquid flowing out along the interface 23 is between 0.5 L / min and 10 L / min, and the controller can set the liquid flow rate value flowing out along the second solenoid valve 51 to 0 - 999999.9 L, the detection accuracy is 0.1 L, but the detection error is ±3%, so that the amount of the liquid flowing out along the interface 23 always meets the set requirements, which plays a positive guiding role in maintaining the accuracy of the detection structure of the water purification device.

[0051] Correspondingly, a first pressure sensor 6 is provided at the outlet of the variable frequency constant pressure pump 22, and the first pressure sensor 6 is electrically connected to the variable frequency constant pressure pump 22. Among them, both ends of the first pressure sensor 6 are respectively connected between the water inlets of the second solenoid valves 51 connected to the two interfaces 23. Therefore, when the liquid flows out of the outlet of the variable frequency constant pressure pump 22 and flows through the first pressure sensor 6, the first pressure sensor 6 detects the pressure of the liquid flowing out of the variable frequency constant pressure pump 22 and sends the detection signal to the controller.

[0052] Its function is that through the detection of the first pressure sensor 6, when the pressure (or flow rate) of the liquid flowing out of the variable frequency constant pressure pump 22 deviates from the set value, the first pressure sensor 6 sends the detection signal to the controller, and the controller can timely adjust the working power of the variable frequency constant pressure pump 22, so that the pressure (or flow rate) of the liquid flowing out of the variable frequency constant pressure pump 22 can be within the set value range, which is beneficial to maintaining the stability of the pressure and flow rate of the liquid flowing out of the outlet of the variable frequency constant pressure pump 22.

[0053] Refer to Figure 2 , and it further includes a secondary conveying assembly 7. The secondary conveying assembly 7 includes a first communication path 71. The water inlet of the first communication path 71 is externally connected to a water supply source, and the water outlet of the first communication path 71 can be connected to the water inlets of any one or more of the labeling tanks 21.

[0054] It should be mentioned here that the water supply source can be an external water channel, such as a water pipe.

[0055] Specifically, the first communication path 71 includes a third liquid flowmeter 711 and a third solenoid valve 712. Both ends of the third liquid flowmeter 711 are respectively connected to the water outlet of the water supply source and the water inlet of the third solenoid valve 712, and the water outlet of the third solenoid valve 712 is connected to the water inlet of the spiking tank 21.

[0056] Therefore, when it is necessary to change the type of liquid entering the spiking tank 21, the first solenoid valve 24 will be in the closed state, so that the liquid in the pure water container 1 cannot be injected into the spiking tank 21. At this time, the third solenoid valve 712 will be in the open state, achieving the purpose of injecting different types of liquid into the spiking tank 21 and meeting the detection and adjustment for different purposes. At the same time, according to the detection function of the third liquid flowmeter 711, the amount of liquid flowing from the water supply source into the third solenoid valve 712 can be detected, and the detection signal is sent to the controller to adjust the working state of the third solenoid valve 712 through the controller, so that the amount of liquid flowing from the water outlet of the third solenoid valve 712 into the spiking tank 21 is controllable.

[0057] Refer to Figure 3 As shown in, the secondary conveying assembly 7 further includes a second communication path 72. The water inlet of the second communication path 72 is externally connected to the water supply source, and the water outlet of the second communication path 72 is connected to the water outlet of the second solenoid valve 51.

[0058] Specifically, the second communication path 72 includes a fourth solenoid valve 721. The water inlet of the fourth solenoid valve 721 is connected to the water outlet of the water supply source, and the water outlet of the fourth solenoid valve 721 is connected between the second solenoid valve 51 and the second liquid flowmeter 52.

[0059] Therefore, when it is not necessary to perform spiking treatment on the liquid in the water supply source through the spiking tank 21, the liquid flowing out of the water outlet of the water supply source can directly flow through the fourth solenoid valve 721 and the second liquid flowmeter 52 to the interface 23, thus meeting the selection requirements of multiple paths and having high practicability.

[0060] Thus, when the liquid reaches the second liquid flowmeter 52 after passing through the fourth solenoid valve 721 along the water outlet of the water supply source, the second liquid flowmeter 52 detects the flow rate of the liquid flowing through the fourth solenoid valve 721. At this time, the flow rate of the liquid flowing through the fourth solenoid valve 721 is the amount of liquid flowing out along the interface 23. When the second liquid flowmeter 52 detects that the flow rate of the liquid flowing out of the fourth solenoid valve 721 meets the set value, the second liquid flowmeter 52 sends the detection signal to the controller, and the controller controls the fourth solenoid valve 721 to close, achieving the purpose of controlling the amount of liquid flowing out along the interface 23.

[0061] In addition, the second connection path 72 further includes a second pressure sensor 722. The second pressure sensor 722 is connected to the water outlet of the water supply source. The pressure of the liquid flowing out of the water outlet of the water supply source is detected by the second pressure sensor 722, and the detection signal is sent to the controller. Through the controller, the pressure of the liquid flowing from the water supply source to the fourth solenoid valve 721 can be observed in real time.

[0062] Referring to Figure 4 , it further includes an auxiliary conveying assembly 8. The auxiliary conveying assembly 8 is used to convey low-flow-rate liquids. The water inlet of the auxiliary conveying assembly 8 can be connected to the water outlet of any one of the spiking tanks 21, or the water inlet of the auxiliary conveying assembly 8 can be connected to the water supply source. The water outlet of the auxiliary conveying assembly 8 is connected to the water outlet of the second solenoid valve 51.

[0063] Specifically, the auxiliary conveying assembly 8 includes a micro water pump 81 and a fifth solenoid valve 82. The water outlet of the micro water pump 81 is connected to the water inlet of the fifth solenoid valve 82, and the water outlet of the fifth solenoid valve 82 is connected between the second solenoid valve 51 and the second liquid flowmeter 52.

[0064] It should be noted here that the purpose of adding the micro water pump 81 is that through the micro water pump 81, the requirement of conveying low-flow-rate liquids (0.1 L / min to 1.5 L / min) to the interface 23 can be met, so as to adapt to the purpose of small-sample detection of the water purification equipment, and it has strong applicability.

[0065] At the same time, the water inlet of the micro water pump 81 is connected to the water outlet of the spiking tank 21. The liquid in the spiking tank 21 is pumped to the fifth solenoid valve 82 through the micro water pump 81, and the liquid flows out along the interface 23 through the second flowmeter through the fifth solenoid valve 82.

[0066] Or, the water inlet of the micro water pump 81 is connected to the water outlet of the water supply source, so that it has different flow paths.

[0067] The implementation principle of an efficient liquid control system in an embodiment of the present application is as follows: The liquid flowing out of the dosing tank 21 is processed (constant pressure, constant flow, or constant pressure and constant flow) by the variable frequency constant pressure pump 22, so that the liquid flow rate flowing out of the variable frequency constant pressure pump 22 meets the set requirements. The variable frequency constant pressure pump 22 is beneficial to maintaining the water supply system 2. Through the adjustment of the variable frequency constant pressure pump 22, the pressure and flow rate of the liquid flowing from the dosing tank 21 to the interface 23 are in a stable state, reducing the fluctuations of the water pressure and flow rate of the liquid, and playing a positive guiding role in improving the stability of the flow rate and pressure of the liquid flowing to the water purification equipment along the interface 23. Subsequently, through the coordinated cooperation of the second solenoid valve 51 and the second liquid flowmeter 52, the flow rate and flow of the liquid flowing out of the interface 23 can meet the set requirements; in addition, it is also possible to select the demand for injecting other types of liquid into the dosing tank 21 from the water supply source, or the liquid flowing out of the water outlet of the water supply source can directly flow through the fourth solenoid valve 721, the second liquid flowmeter 52 and flow out along the interface 23, and through the coordinated cooperation of the micro water pump 81 and the fifth solenoid valve 82, it can adapt to the conveying requirements of low-flow-rate liquids, and the flow path is diverse and can also be changed according to actual needs.

[0068] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An efficient liquid control system, characterized in that: It comprises a pure water container (1) for storing pure water; A plurality of water delivery systems (2), wherein the water inlets of the plurality of water delivery systems (2) are respectively connected to the water outlets of the pure water containers (1), and the plurality of water delivery systems (2) are used to supply water to the water purification equipment; The water delivery system (2) comprises a standard addition tank (21) and a variable frequency constant pressure pump (22), wherein the water inlet of the standard addition tank (21) is connected to the water outlet of the pure water container (1), and the water outlet of the standard addition tank (21) is connected to the water inlet of the variable frequency constant pressure pump (22); The water delivery system (2) further comprises two groups of interfaces (23), the water inlets of the two groups of interfaces (23) being respectively connected to the water outlets of the variable frequency constant pressure pump (22), and the interfaces (23) being used for externally connecting to water purification equipment.

2. A high-efficiency liquid control system according to claim 1, characterized in that: The water outlet of the pure water container (1) is provided with a first liquid flow meter (3), and the water delivery system (2) further comprises a first electromagnetic valve (24), the water inlet of the first electromagnetic valve (24) is connected to the first liquid flow meter (3), and the water outlet of the first electromagnetic valve (24) is connected to the water inlet of the spiked tank (21).

3. The efficient liquid control system according to claim 1, characterized in that: A stirring component (4) is arranged in the labeling tank (21).

4. The efficient liquid control system according to claim 1, characterized in that: It also includes a flow control component (5), which includes a second solenoid valve (51) and a second liquid flow meter (52), the water inlet of the second solenoid valve (51) is connected to the water outlet of the variable frequency constant pressure pump (22), the water outlet of the second solenoid valve (51) is connected to the second liquid flow meter (52), and the second liquid flow meter (52) is connected to the water inlet of the interface (23).

5. A high-efficiency liquid control system according to claim 4, characterized in that: A first pressure sensor (6) is provided at the water outlet of the variable frequency constant pressure pump (22), and the first pressure sensor (6) is electrically connected to the variable frequency constant pressure pump (22).

6. A high-efficiency liquid control system according to claim 5, characterized in that: It also comprises a secondary conveying component (7), the secondary conveying component (7) comprising a first communication path (71), the water inlet of the first communication path (71) being connected to an external water supply source, and the water outlet of the first communication path (71) being connectable to the water inlet of any one or more of the labeled tanks (21).

7. A high-efficiency liquid control system according to claim 6, characterized in that: The secondary conveying component (7) further comprises a second communicating path (72), the water inlet of the second communicating path (72) being connected to an external water supply source, and the water outlet of the second communicating path (72) being connected to the water outlet of the second solenoid valve (51).

8. An efficient liquid control system according to claim 7, characterized in that: It also includes an auxiliary conveying component (8), which is used to convey low-flow-rate liquid. The water inlet of the auxiliary conveying component (8) can be connected to the water outlet of any one of the labeled tanks (21), or the water inlet of the auxiliary conveying component (8) can be connected to a water supply source, and the water outlet of the auxiliary conveying component (8) is connected to the water outlet of the second solenoid valve (51).

Images