Integrated sewage lifting pump station

Abstract

The utility model provides an integrated sewage lifting pump station which comprises a box body, at least one sewage inlet communicated with an inner cavity of the box body, a lifting assembly arranged in the box body and a sewage outlet communicated with the lifting assembly. The lifting assembly comprises a pump station motor and a lifting impeller connected with a motor shaft of the pump station motor, an installation cavity used for installing a controller is further formed in the box body, the controller is preset in the installation cavity and electrically connected with the pump station motor, a liquid level switch is further arranged in the box body, and the liquid level switch is electrically connected with the pump station motor. The controller is electrically connected with the liquid level switch, the controller is integrated in the box body, installation difficulty is reduced, operation is simpler, more space is saved, and the controller is not prone to aging and damage.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment, specifically to an integrated wastewater lifting pump station. Background Technology

[0002] Existing sewage lift pump stations are suitable for areas such as basements and low-lying commercial spaces without natural drainage. Their core structure mainly consists of a housing, pneumatic switches, float level switches, sewage pumps, and an external independent controller. Based on the installation location of the sewage pump, they can be divided into external pump stations (pumps are exposed or can be disassembled separately from the outside), internal pump stations (pumps are installed inside the housing), and semi-submersible pump stations (the sewage pump is half exposed and half placed inside the housing).

[0003] The tank is made of high-strength, corrosion-resistant material, with a typical capacity ranging from 20L to 500L. A quick-release inspection port is located on the top for easy maintenance of internal components. The operating procedure is as follows: Wastewater flows into the tank by gravity through the inlet pipe, utilizing a drop of ≥0.5m. When the liquid level reaches the trigger point, a pneumatic switch or float switch is activated, driving the sewage pump to start and lift the wastewater through the outlet pipe to the municipal sewer network or a sump with water collection capacity. When the liquid level drops to the low trigger point, the sewage pump stops operating, thus achieving automatic sewage discharge.

[0004] The sewage lifting pump station is equipped with an independent controller. Multiple cables connect the pump station and the controller: the pump power cable connects to the controller (two power cables are needed for a dual-pump station), the float switch signal cable connects to the controller, and the controller's pneumatic switch connects to the air chamber at the top of the unit via an 8mm diameter PU air tube. Finally, the controller's power cable is plugged into a power outlet in the customer's home. Therefore, a typical pump station requires 2-3 power cables and air tubes to connect to the controller. After connection, the controller is mounted externally at a high position next to the machine.

[0005] Because the controller and housing of a sewage lift pump station are separate parts, they are usually placed in the same packaging box, making it easy for the controller to be damaged by collisions during transportation. Furthermore, when the pump station arrives at the customer's site, due to the long construction period, the controller often gets lost, or workers accidentally damage the power cord and air hose. This results in damage even before the machine is installed, which is also a common problem.

[0006] Furthermore, the installation of sewage lifting pump stations requires a high level of expertise from the installers. During installation, the pump station must first be connected and secured to the sewage pipe, and then the pump station controller must be externally mounted on the wall next to the machine. Because there are multiple wiring connections between the controller and the pump station housing, incorrect wiring is very common during installation, which can lead to machine burnout or malfunction. Among these issues, problems with the air pipe connection are the most frequent.

[0007] Products typically come with a 3-5 meter flexible air hose. During installation, the hose is easily bent, causing poor airflow and preventing the pump station from automatically starting and stopping. In daily use, improper handling during cleaning can also cause the hose to bend or detach, leading to machine malfunctions and shutdowns. Actual after-sales data shows that 70% of after-sales problems stem from bent hoses or loose connections, and 30% are caused by incorrect wiring.

[0008] In summary, the core structure of existing sewage lifting pump stations consists of multiple independent components, which are connected by numerous lines and air pipes, such as pump power lines, float switch signal lines, and pneumatic switch air pipes. This complex connection method not only increases installation difficulty but also makes malfunctions prone to occur due to incorrect wiring or improper air pipe installation. Furthermore, external independent controllers require additional installation space, and exposed wiring in damp basement environments poses a higher risk of aging and damage.

[0009] Therefore, existing sewage lift pumps need to be improved to overcome the above-mentioned defects. Utility Model Content

[0010] The main purpose of this application is to provide an integrated sewage lifting pump station that integrates the controller into the housing, reducing installation difficulty, simplifying operation, saving space, and making the controller less prone to aging and damage.

[0011] To achieve the above objectives, in a first aspect, this application provides an integrated sewage lifting pump station, comprising a housing, at least one sewage inlet communicating with the inner cavity of the housing, a lifting assembly disposed within the housing, and a sewage outlet communicating with the lifting assembly. The lifting assembly includes a pump station motor and a lifting impeller connected to the motor shaft of the pump station motor. The housing also includes an installation cavity for installing a controller, the controller being pre-installed in the installation cavity and electrically connected to the pump station motor. The housing also includes a level switch, and the controller is electrically connected to the level switch.

[0012] Optionally, the level switch includes a float switch.

[0013] Optionally, the level switch further includes a pneumatic switch, which is connected to a switching air tube.

[0014] Optionally, a control display screen is provided on the enclosure, and the controller is electrically connected to the control display screen.

[0015] Optionally, the pump station motor is a permanent magnet motor.

[0016] Optionally, the controller is a frequency converter.

[0017] Optionally, it also includes a wireless control panel that is electrically connected to the controller.

[0018] Optionally, the wireless control panel has at least one of a WIFI communication module, a Bluetooth communication module, and a Star Flash module.

[0019] Optionally, the wireless control panel is battery powered.

[0020] The integrated sewage lifting pump station provided by this utility model has the following advantages compared with the prior art: First, its housing structure is improved by setting an installation cavity for the controller inside the cavity, thus making the controller a built-in structure, which will not be affected by the external environment and will not be aged or damaged. In addition, the controller is pre-connected by the manufacturer's professional technicians before leaving the factory, so users do not need to perform complicated installation, thus simplifying the installation process and reducing the possibility of wiring errors. Finally, since the controller is pre-installed in the housing, it is not easy to be damaged during transportation, and the connecting parts are not easy to be lost. Attached Figure Description

[0021] The accompanying drawings, which form part of this application, are used to provide a further understanding of the application and to make other features, objects, and advantages of the application more apparent. The illustrative embodiments and descriptions of this application are used to explain the application and do not constitute an undue limitation of the application. In the drawings:

[0022] Figure 1 This is a schematic diagram of the present invention;

[0023] Figure 2 This is a top view of the present invention;

[0024] Figure 3 yes Figure 2 EE sectional view;

[0025] Figure 4 yes Figure 2 DD sectional view.

[0026] The components include: 1. Housing; 2. Sewage inlet; 3. Sewage outlet; 4. Pump motor; 5. Lifting impeller; 6. Float switch; 7. Switch air pipe; 8. Mounting cavity; 9. Exhaust port; 10. Control display screen; 11. Inspection port; 12. Controller. Detailed Implementation

[0027] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0028] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0029] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0030] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0031] In addition, the term "multiple" should mean two or more.

[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] like Figures 1-4As shown, an integrated sewage lifting pump station includes a housing 1, at least one sewage inlet 2 communicating with the inner cavity of the housing 1, a lifting assembly disposed within the housing 1, and a sewage outlet 3 communicating with the lifting assembly. The lifting assembly includes a pump station motor 4 and a lifting impeller 5 connected to the motor shaft of the pump station motor 4. The housing 1 also has a mounting cavity 8 for installing a controller 12, and the controller 12 is pre-installed in the mounting cavity 8. The controller 12 is electrically connected to the pump station motor 4. The housing 1 also has a level switch, and the controller 12 is electrically connected to the level switch. The level switch includes a float switch 6 and a pneumatic switch, which is connected to a switch air pipe 7. In addition, the housing 1 is also connected to an exhaust port 9.

[0034] It should be noted that the float switch 6 rises with the water level, connecting the circuit after reaching a certain angle to start the machine for drainage. It relies on the water level to determine the machine's start-up. The pneumatic switch, on the other hand, transmits signals through gas compression, allowing pressure changes in the pressure sensing orifice to be transmitted to the pressure sensor, thus regulating the start / stop and alarm liquid levels. It relies on the compression of air in the housing 1 to determine the machine's start-up. Therefore, both switches aim to control the start and stop of the booster pump based on the liquid level. Although their functions are the same, this embodiment uses a combination of both methods for more precise liquid level control. If the discharged wastewater is relatively clean and contains few impurities, the float switch is more cost-effective and can better handle drainage in this situation. If the discharged wastewater contains more impurities, such as toilet wastewater containing large particles, the pneumatic control method is more suitable because it is not affected by fibrous debris in the water, which could cause control failure. Therefore, installing both can handle wastewater discharges of different qualities.

[0035] To allow users to view the conditions inside the enclosure 1 in a timely manner, such as liquid level information and motor speed, a control display screen 10 is provided on the enclosure 1. The controller 12 is electrically connected to the control display screen 10. In addition, an inspection port 11 is provided on the enclosure 1 to facilitate users to intuitively view and inspect the working conditions inside the enclosure 1.

[0036] Preferably, the pump station motor 4 is a permanent magnet motor, which uses permanent magnets to generate an air gap magnetic field. Compared with traditional fixed-frequency motors, it has the characteristics of high efficiency and significant energy saving. The controller 12 is a variable frequency controller 12. Thus, by using a permanent magnet motor and variable frequency technology, precise variable frequency control of the motor can be achieved, enabling the increase and decrease of the sewage pump head in meters within the sewage pump head range, and the upward and downward adjustment of the liquid level in centimeters within a certain range. The pump operating speed can be changed through variable frequency technology to achieve forward and reverse rotation functions. Optionally, a wireless control panel electrically connected to the controller 12 is also included.

[0037] The wireless control panel incorporates at least one of a Wi-Fi communication module, a Bluetooth communication module, and a satellite flash module, thus overcoming the limitations of traditional pump stations that rely solely on Wi-Fi control. This overcomes the limitations of traditional single-Wi-Fi control, solving the problem of inability to remotely control the pump station when network signals are weak or absent in basements. It ensures that users can set parameters and monitor the operating status of the pump station anytime, anywhere, meeting the needs of intelligent management. The multi-modal communication control module can be configured as follows: Wi-Fi + Bluetooth control; Wi-Fi + Bluetooth + satellite flash control; Wi-Fi + satellite flash control; Bluetooth + satellite flash control; or single Bluetooth control. Therefore, even in basement scenarios with no network or weak signal, a stable connection can be achieved via Bluetooth and satellite flash, ensuring that users can remotely control the pump station anytime, anywhere.

[0038] The wireless control panel is battery-powered, using button batteries, rechargeable batteries, or AAA batteries. It allows for flexible installation, eliminating the reliance on fixed power outlets found in traditional control panels. Users can remotely control the system via mobile phone or conveniently operate it locally within signal coverage areas, enhancing ease of use and flexibility. Users can flexibly install it in homes or commercial locations within signal coverage areas to achieve convenient local operation of the sewage lifting pump station, complementing remote control via mobile phone and further improving user flexibility.

[0039] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An integrated sewage lifting pump station, comprising a housing, at least one sewage inlet communicating with the inner cavity of the housing, a lifting assembly disposed within the housing, and a sewage outlet communicating with the lifting assembly, wherein the lifting assembly includes a pump station motor and a lifting impeller connected to the motor shaft of the pump station motor, characterized in that, The housing also includes a mounting cavity for installing a controller, which is pre-installed in the mounting cavity. The controller is electrically connected to the pump station motor. The housing also includes a level switch, which is electrically connected to the controller.

2. The integrated sewage lifting pump station as described in claim 1, characterized in that: The liquid level switch includes a float switch.

3. An integrated sewage lifting pump station as described in claim 1, characterized in that: The level switch also includes a pneumatic switch, which is connected to a switch air tube.

4. An integrated sewage lifting pump station as described in claim 1, characterized in that: The enclosure is equipped with a control display screen, and the controller is electrically connected to the control display screen.

5. An integrated sewage lifting pump station as described in claim 1, characterized in that: The pump station motor is a permanent magnet motor.

6. An integrated sewage lifting pump station as described in claim 5, characterized in that: The controller is a frequency converter.

7. An integrated sewage lifting pump station as described in claim 1, characterized in that: It also includes a wireless control panel that is electrically connected to the controller.

8. An integrated sewage lifting pump station as described in claim 7, characterized in that: The wireless control panel has at least one of a WIFI communication module, a Bluetooth communication module, and a star-flash module.

9. An integrated sewage lifting pump station as described in claim 7, characterized in that: The wireless control panel is powered by a battery.

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