Energy-saving water pump with pipeline pressure monitoring function
By introducing a check valve and a variable frequency pump drive motor into the water pump, and combining this with a water pressure sensor module to adjust the pump power in real time, the problems of pump self-starting and water hammer were solved, achieving energy saving and stable operation, and avoiding equipment damage.
Patent Information
- Application Number
- CN202520470146.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing water pumps lack self-starting and anti-hammering functions, resulting in high energy consumption, difficulty in adjustment, and easy damage to the pump body and pipelines caused by reverse water flow after shutdown.
It adopts a check valve and a variable frequency water pump drive motor, combined with inlet and outlet water pressure sensor modules to monitor water pressure in real time and dynamically adjust the working power to solve the problem of water backflow, and improves stability through pump body support.
It reduces energy consumption, improves water pressure stability, avoids equipment damage caused by reverse water flow, and enhances the operational stability of the equipment.
Smart Images

Figure CN223894440U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water pump technology, specifically relating to an energy-saving water pump with pipeline pressure monitoring function. Background Technology
[0002] As a core piece of equipment in the field of fluid transport, water pumps are widely used in agricultural irrigation, industrial water supply, municipal drainage and other scenarios. Traditional water pump systems mostly rely on manual operation and fixed speed control. In modern agricultural and industrial production, water pumps need to frequently cope with complex changes in operating conditions, such as dynamic fluctuations in irrigation demand and real-time changes in water supply network pressure. However, existing equipment generally lacks adaptive adjustment capabilities.
[0003] Existing water pump systems suffer from two major technical bottlenecks: First, they lack intelligent start-stop mechanisms, requiring manual intervention or preset fixed programs. They cannot automatically respond based on real-time parameters such as flow rate and pressure. When the pipeline pressure is abnormal or the water source changes, traditional water pumps struggle to dynamically adjust their operating status, leading to energy waste and increased equipment wear. Second, they lack water hammer protection mechanisms. In the event of a sudden power outage or valve closure, the water hammer effect caused by the inertia of the water flow can generate an impact several times greater than the normal pressure, causing pipeline rupture, impeller deformation, and other malfunctions.
[0004] Therefore, for the existing water pumps mentioned above, because they do not have the functions of self-starting and preventing water hammer, the existing water pumps have high energy consumption, are difficult to adjust, and are prone to water backflow damage to the pump body and pipeline after the water pump is turned off. Therefore, an energy-saving water pump with pipeline pressure monitoring function can be designed. Utility Model Content
[0005] In order to overcome the problems of existing water pumps, which lack self-starting and anti-water hammer functions, resulting in high energy consumption, difficulty in adjustment, and easy backflow of water after the pump is turned off, which can damage the pump body and pipelines.
[0006] The technical solution of this utility model is as follows: an energy-saving water pump with pipeline pressure monitoring function, including a pump motor, a check valve, and a variable frequency water pump drive motor; a check valve and a variable frequency water pump drive motor are respectively installed at the front and rear ends of the pump motor; the pump motor includes a pump motor housing, a pump body support, a pump motor turbine, an inlet pipe, an outlet pipe, an inlet end water pressure and flow sensor module, and an outlet end water pressure and flow sensor module; the check valve includes a valve body, a check valve connecting rod, a first check valve, and a second check valve.
[0007] Preferably, a check valve is used to address the backflow problem that occurs when the variable frequency water pump drive motor stops operating. In addition, the water pressure and flow sensor modules at the inlet and outlet ends measure the working water pressure in real time and control the variable frequency water pump drive motor to dynamically adjust its working power. This reduces energy consumption and improves the stability of the pump water pressure. This solves the problem that existing water pumps, due to their lack of self-starting and anti-hammering functions, have high energy consumption, are difficult to adjust, and are prone to backflow damage to the pump body and pipelines after the pump is turned off.
[0008] Preferably, a pump turbine is installed inside the pump housing; an inlet pipe is installed at the rear end of the pump turbine, and the inlet pipe is integrally formed with the pump housing; an outlet pipe is installed at the upper end of the pump housing, and the outlet pipe is integrally formed with the pump housing.
[0009] Preferably, the variable frequency water pump drive motor drives the pump turbine rotation transmission connection inside the pump housing.
[0010] Preferably, the inner walls of the inlet pipe and the outlet pipe are respectively equipped with an inlet water pressure and flow sensor module and an outlet water pressure and flow sensor module, and the inlet water pressure and flow sensor module and the outlet water pressure and flow sensor module are connected to the electronic control unit of the variable frequency water pump drive motor for information transmission.
[0011] As a preferred option, the variable frequency water pump drive motor dynamically adjusts its operating speed so that the supply water pressure detected by the water pressure and flow sensor module at the outlet is maintained between two kilograms and three kilograms.
[0012] Preferably, a valve body is provided at the rear end of the water inlet pipe, and the valve body is threadedly connected to the water inlet pipe; a check plate connecting rod is fixedly provided inside the valve body; a first check plate and a second check plate are respectively provided on both sides of the check plate connecting rod, and the first check plate and the second check plate are rotatably connected around the check plate connecting rod, and the rear edge of the first check plate and the second check plate is blocked by the rear port of the valve body.
[0013] Preferably, a pump body support is provided at the lower end of the pump housing, and the pump body support is fixedly connected to the pump housing and the outer shell of the variable frequency water pump drive motor.
[0014] The beneficial effects of this utility model are:
[0015] Existing water pumps, lacking self-starting and anti-hammer-effect protection, suffer from high energy consumption, difficult adjustment, and the risk of backflow damage to the pump body and pipelines after shutdown. This solution addresses these issues by using a check valve to prevent backflow when the variable frequency pump drive motor stops. Furthermore, by employing inlet and outlet water pressure and flow sensor modules to measure the working water pressure in real time and dynamically adjust the variable frequency pump drive motor's power, energy consumption is reduced and water pressure stability is improved. This solution resolves the problems of existing water pumps lacking self-starting and anti-hammer-effect protection, resulting in high energy consumption, difficult adjustment, and the risk of backflow damage to the pump body and pipelines after shutdown.
[0016] The pump body bracket is used to fix the pump housing and the variable frequency water pump drive motor, thereby effectively improving the working stability of the pump housing and the variable frequency water pump drive motor and reducing the impact of vibration. Attached Figure Description
[0017] Figure 1 The diagram shown is a side-view perspective of the overall three-dimensional structure of the energy-saving water pump with pipeline pressure monitoring function of this utility model.
[0018] Figure 2 The diagram shown is a rear-view three-dimensional structural schematic of the energy-saving water pump with pipeline pressure monitoring function of this utility model.
[0019] Figure 3 The diagram shown is a three-dimensional cross-sectional view of the energy-saving water pump with pipeline pressure monitoring function according to this utility model.
[0020] Figure 4 The diagram shown is a front-view three-dimensional structural schematic of the check valve of the energy-saving water pump with pipeline pressure monitoring function according to this utility model.
[0021] The labels in the attached diagram are as follows: 1. Pump; 2. Check valve; 3. Variable frequency water pump drive motor; 101. Pump housing; 102. Pump body support; 103. Pump turbine; 104. Inlet pipe; 105. Outlet pipe; 106. Inlet water pressure and flow sensor module; 107. Outlet water pressure and flow sensor module; 201. Valve body; 202. Check valve connecting rod; 203. First check valve; 204. Second check valve. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0023] Please see Figure 1-4The present invention provides an embodiment of an energy-saving water pump with pipeline pressure monitoring function, including a pump 1, a check valve 2, and a variable frequency water pump drive motor 3; the front and rear ends of the pump 1 are respectively provided with the check valve 2 and the variable frequency water pump drive motor 3; the pump 1 includes a pump housing 101, a pump body support 102, a pump turbine 103, an inlet pipe 104, an outlet pipe 105, an inlet water pressure and flow sensor module 106, and an outlet water pressure and flow sensor module 107; the check valve 2 includes a valve body 201, a check valve connecting rod 202, a first check valve 203, and a second check valve 204.
[0024] Please see Figure 1-4 In this embodiment, a pump turbine 103 is provided inside the pump housing 101; an inlet pipe 104 is provided at the rear end of the pump turbine 103, and the inlet pipe 104 is integrally formed with the pump housing 101; an outlet pipe 105 is provided at the upper end of the pump housing 101, and the outlet pipe 105 is integrally formed with the pump housing 101; a variable frequency water pump drive motor 3 drives the pump turbine 103 inside the pump housing 101 to rotate and is connected to the transmission; an inlet water pressure and flow sensor module 106 and an outlet water pressure and flow sensor module 107 are respectively provided on the inner walls of the inlet pipe 104 and the outlet pipe 105, and the inlet water pressure and flow sensor module 106 and the outlet water pressure and flow sensor module 107 are connected to the electronic control unit of the variable frequency water pump drive motor 3 for information transmission; the variable frequency water pump drive motor 3 drives the pump turbine 103 to rotate and rotate. The operating speed is adjusted to maintain the supply water pressure detected by the water pressure and flow sensor module 107 at the outlet between two and three kilograms. A valve body 201 is provided at the rear end of the inlet pipe 104, and the valve body 201 is threadedly connected to the inlet pipe 104. A check valve rod 202 is fixedly provided inside the valve body 201. A first check valve 203 and a second check valve 204 are respectively provided on both sides of the check valve rod 202, and the first check valve 203 and the second check valve 204 are rotatably connected around the check valve rod 202. The rear edge of the first check valve 203 and the second check valve 204 is blocked by the rear port of the valve body 201. A pump body bracket 102 is provided at the lower end of the pump housing 101, and the pump body bracket 102 is fixedly connected to the pump housing 101 and the outer shell of the variable frequency water pump drive motor 3.
[0025] During operation, the check valve 2 is used to prevent backflow of water when the variable frequency pump drive motor 3 stops working. In addition, the water pressure and flow sensor module 106 at the inlet end and the water pressure and flow sensor module 107 at the outlet end measure the working water pressure in real time and control the variable frequency pump drive motor 3 to dynamically adjust the working power, thereby reducing energy consumption and improving the stability of pump water pressure. This solves the problem that existing water pumps do not have self-starting and anti-hammering functions, which causes high energy consumption, difficulty in adjustment, and easy backflow of water after the pump is turned off, damaging the pump body and pipeline.
[0026] Next, the pump body bracket 102 is used to fix the pump housing 101 and the variable frequency water pump drive motor 3, thereby effectively improving the working stability of the pump housing 101 and the variable frequency water pump drive motor 3 and reducing the impact of vibration.
[0027] Through the above steps, the backflow problem caused by the variable frequency water pump drive motor 3 when it stops working is solved by the check valve 2. In addition, the water pressure and flow sensor module 106 at the inlet end and the water pressure and flow sensor module 107 at the outlet end measure the working water pressure in real time and control the variable frequency water pump drive motor 3 to dynamically adjust the working power, thereby reducing energy consumption and improving the stability of pump water pressure. This avoids the problems of existing water pumps, which do not have self-starting and water hammer prevention functions, resulting in high energy consumption, difficulty in adjustment, and easy backflow of water after the pump is turned off, which can damage the pump body and pipeline.
Claims
1. An energy-saving water pump with pipeline pressure monitoring function, comprising a pump (1), characterized in that: It also includes a check valve (2) and a variable frequency water pump drive motor (3); the front and rear ends of the pump (1) are respectively equipped with a check valve (2) and a variable frequency water pump drive motor (3); the pump (1) includes a pump housing (101), a pump body bracket (102), a pump turbine (103), an inlet pipe (104), an outlet pipe (105), an inlet water pressure and flow sensor module (106), and an outlet water pressure and flow sensor module (107); the check valve (2) includes a valve body (201), a check plate connecting rod (202), a first check plate (203), and a second check plate (204).
2. The energy-saving water pump with pipeline pressure monitoring function according to claim 1, characterized in that: A pump turbine (103) is provided inside the pump housing (101); an inlet pipe (104) is provided at the rear end of the pump turbine (103), and the inlet pipe (104) is integrally formed with the pump housing (101); an outlet pipe (105) is provided at the upper end of the pump housing (101), and the outlet pipe (105) is integrally formed with the pump housing (101).
3. The energy-saving water pump with pipeline pressure monitoring function according to claim 1, characterized in that: The variable frequency water pump drive motor (3) drives the pump turbine (103) inside the pump housing (101) to rotate and be connected.
4. The energy-saving water pump with pipeline pressure monitoring function according to claim 2, characterized in that: The inner walls of the inlet pipe (104) and the outlet pipe (105) are respectively equipped with an inlet water pressure and flow sensor module (106) and an outlet water pressure and flow sensor module (107), and the inlet water pressure and flow sensor module (106) and the outlet water pressure and flow sensor module (107) are connected to the electronic control unit of the variable frequency water pump drive motor (3) for information transmission.
5. The energy-saving water pump with pipeline pressure monitoring function according to claim 4, characterized in that: The variable frequency water pump drive motor (3) dynamically adjusts the working speed so that the supply water pressure detected by the outlet water pressure and flow sensor module (107) is maintained between two kilograms and three kilograms.
6. The energy-saving water pump with pipeline pressure monitoring function according to claim 2, characterized in that: A valve body (201) is provided at the rear end of the water inlet pipe (104), and the valve body (201) is threadedly connected to the water inlet pipe (104); a check plate connecting rod (202) is fixedly provided inside the valve body (201); a first check plate (203) and a second check plate (204) are respectively provided on both sides of the check plate connecting rod (202), and the first check plate (203) and the second check plate (204) are rotatably connected around the check plate connecting rod (202), and the rear edge of the first check plate (203) and the second check plate (204) is blocked by the rear port of the valve body (201).
7. The energy-saving water pump with pipeline pressure monitoring function according to claim 1, characterized in that: A pump body bracket (102) is provided at the lower end of the pump housing (101), and the pump body bracket (102) is fixedly connected to the pump housing (101) and the outer shell of the variable frequency water pump drive motor (3).