Integrated permanent magnet frequency conversion submersible pump
Through integrated design and moisture-proof measures, the problem of separate arrangement of power supply and control components of permanent magnet variable frequency submersible pumps has been solved, realizing convenient installation and moisture protection, and improving installation efficiency and maintenance convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-04-10
AI Technical Summary
The existing permanent magnet variable frequency submersible pumps have separate power supply and control components, which makes the installation process cumbersome and difficult to integrate, and lacks systematic installation measures.
An integrated permanent magnet variable frequency submersible pump is designed, which uses an integrated box to install the power supply circuit breaker and control frequency converter inside, and is equipped with activated carbon material to absorb moisture, and bottom ring and positioning feet to assist positioning, so as to achieve convenient installation and moisture protection.
It enables convenient integrated installation of submersible pump components, improves installation convenience and moisture resistance, and facilitates later maintenance and prevents tipping.
Smart Images

Figure CN121828208A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of water pump equipment, in particular to an integrated permanent magnet variable frequency submersible pump. BACKGROUND
[0002] The permanent magnet variable frequency submersible pump is a submersible pump adopting a permanent magnet synchronous motor as a power source and controlling the motor rotating speed through a frequency converter, so that the flow and lift of the water pump are adjusted, and the permanent magnet variable frequency submersible pump has many characteristics such as high efficiency, energy saving and variable frequency adjustment.
[0003] However, in actual installation and use, the external power supply of the submersible pump and the control components are mostly arranged in a split mode, the power supply and control wire harness arrangement process are extremely scattered and complicated, and the submersible pump system components cannot be integrated and installed.
[0004] Now, a new integrated permanent magnet variable frequency submersible pump is provided to solve the above problems. SUMMARY
[0005] The application aims to provide an integrated permanent magnet variable frequency submersible pump to solve the problem that the submersible pump system components cannot be integrated and installed.
[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: an integrated permanent magnet variable frequency submersible pump, comprising a shell and an integrated box, the top end of the shell is provided with the integrated box, the inside of the shell is provided with a motor, the two sides of the top end and the bottom end of the integrated box are respectively fixed with mounting feet, the bottom of the inside of the integrated box is transversely fixed with mounting plates one, two groups of mounting plates one are arranged above and below the mounting plate one, the top of the inside of the integrated box is transversely fixed with a mounting plate two, the front end of the mounting plate two is provided with a circuit breaker, the two sides of the inside of the integrated box are fixed with a partition plate, the front end of the two groups of mounting plates one is provided with a frequency converter, the front end of the integrated box is provided with a door body, the top end and the bottom end of the left side of the door body are respectively fixed with fixed frames, the top and the bottom of the left front end of the integrated box are respectively fixed with fixed feet, the fixed feet are hingedly connected with the inside of the fixed frames, the top and the bottom of the right side of the front end of the door body are respectively provided with lock rods, and the inside of the door body is fixed with a window.
[0007] As a further technical scheme of the application, the circuit breaker and the frequency converter are electrically connected, and the frequency converter and the motor are electrically connected.
[0008] As a further technical scheme of the application, the outside of the lock rod is provided with external threads, the rear end of the lock rod penetrates through the inside of the door body and is threadedly connected in the inner hole, and the inside of the two sides of the integrated box is respectively provided with a plurality of ventilation holes.
[0009] The bottom box is internally provided with the inner box at the front end, the inner box is internally filled with the activated carbon material, and a plurality of ventilation holes are equidistantly formed in the inner side of the top end of the bottom box.
[0010] The front end of the inner box is fixedly provided with the handle, and the plurality of ventilation holes are respectively penetrated through the inner side of the top end of the bottom box.
[0011] The bottom end of the outer side of the shell is provided with the mounting ring, the outer side of the mounting ring is provided with the bottom ring, four groups of supporting plates are fixedly arranged between the mounting ring and the bottom ring, the bottom end of the bottom ring is fixedly provided with four groups of positioning feet, the top sides of the two sides and the two ends of the mounting ring are respectively penetrated through and provided with the mounting bolts, and the outer side of the shell is provided with the screw holes matched with the mounting bolts.
[0012] The four groups of supporting plates are annularly and equidistantly distributed between the mounting ring and the bottom ring, and the four groups of positioning feet are annularly and equidistantly distributed at the bottom of the bottom ring.
[0013] The top end of the shell is fixedly provided with the connecting shell, the inner side of the connecting shell is provided with the impeller, the top end of the connecting shell is fixedly provided with the water outlet, the top ends of the two sides of the connecting shell are respectively fixedly provided with the lifting rings, the filter cover is fixedly arranged between the top of the shell and the bottom of the connecting shell, and the output shaft of the motor is fixedly connected between the inner side of the top end of the shell and the impeller.
[0014] Compared with the prior art, the integrated permanent magnet variable frequency submersible pump not only realizes the integration installation of the submersible pump system components, realizes the moisture-proof protection of the submersible pump control assembly, and realizes the auxiliary positioning of the bottom of the submersible pump. Through the arrangement of the shell, the motor, the mounting foot, the integrated box, the mounting plate one, the frequency converter, the partition plate, the mounting plate two, the circuit breaker, the inner hole, the bottom box, the fixing frame, the fixing foot, the door body, the window and the lock rod, the external power circuit breaker and the control component frequency converter are integrally installed on the inner side of the integrated box during the installation and use of the submersible pump, the circuit breaker in the filter cover is connected to the external circuit when the submersible pump is carried and used, and the wire harness of the frequency converter is connected to the motor, so that the line layout of the submersible pump can be quickly completed, the convenience of the installation and use of the submersible pump is improved, and the integrated assembly is also convenient for later maintenance and repair. Through setting the integrated box, the bottom box, the ventilation hole, the inner box and the activated carbon material, the activated carbon material filled in the inner box at the bottom of the integrated box can be communicated with the inside of the integrated box through the ventilation hole and can absorb the moisture in the air in the integrated box, so that the dry environment in the integrated box is maintained and the moisture failure of the submersible pump control assembly is reduced. Through setting the machine shell, the mounting ring, the support plate, the bottom ring, the positioning foot and the mounting bolt, when the submersible pump is used, the mounting ring is fixed on the outside of the machine shell by four groups of mounting bolts, and when the submersible pump is put into the water body for operation, the bottom of the pump body can be supported and prevented from falling by the bottom ring, and the submersible pump can be inserted and positioned by the four groups of positioning feet at the bottom of the bottom ring, so that the horizontal displacement is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view of the sectional structure of the application. Figure 2 It is a front view of the sectional structure of the door body of the application. Figure 3 It is a top view of the bottom ring of the application. Figure 4 It is a top view of the bottom box of the application.
[0016] ABSTRACT Figure 1 It is the drawing of the abstract.
[0017] In the drawing: 1, machine shell; 2, motor; 3, filter cover; 4, connecting shell; 5, lifting ring; 6, water outlet; 7, impeller; 8, mounting ring; 9, support plate; 10, bottom ring; 11, positioning foot; 12, mounting foot; 13, integrated box; 14, mounting plate one; 15, frequency converter; 16, partition plate; 17, mounting plate two; 18, circuit breaker; 19, inner hole; 20, bottom box; 21, fixing frame; 22, fixing foot; 23, door body; 24, window; 25, lock rod; 26, mounting bolt; 27, ventilation hole; 28, inner box; 29, activated carbon material. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.
[0019] Please refer to Figures 1-4The application provides an embodiment: an integrated permanent magnet variable frequency submersible pump, which comprises a shell 1 and an integrated box 13, the top end of the shell 1 is provided with the integrated box 13, a motor 2 is arranged in the shell 1, mounting feet 12 are arranged on the top end and the bottom end of the two sides of the integrated box 13, mounting plates one 14 are horizontally arranged on the bottom of the integrated box 13, and two groups of mounting plates one 14 are arranged on the top and the bottom of the integrated box 13, mounting plates two 17 are horizontally arranged on the top of the integrated box 13, and circuit breakers 18 are arranged on the front end of the mounting plates two 17, a partition plate 16 is arranged between the two sides of the integrated box 13, frequency converters 15 are arranged on the front end of the two groups of mounting plates one 14, a door body 23 is arranged on the front end of the integrated box 13, mounting frames 21 are arranged on the top end and the bottom end of the left side of the door body 23, mounting feet 22 are arranged on the top and the bottom of the left front end of the integrated box 13, the mounting feet 22 are hingedly connected with the inside of the mounting frames 21, lock rods 25 are arranged on the top and the bottom of the right side of the front end of the door body 23, and a window 24 is arranged in the door body 23. The circuit breakers 18 are electrically connected with the frequency converters 15, the frequency converters 15 are electrically connected with the motor 2, the outside of the lock rods 25 is provided with external threads, the rear end of the lock rods 25 penetrates through the inside of the door body 23 and is threadedly connected in the inner hole 19, and a plurality of ventilation holes are formed in the inside of the two sides of the integrated box 13. Specifically, as shown in Figure 1 and Figure 2 , the external power circuit breakers 18 and the control components frequency converters 15 are uniformly and integrally arranged in the inside of the integrated box 13, when the submersible pump is used, the circuit breakers 18 in the filter cover 3 are connected to the external circuit, the wire harness of the frequency converters 15 is connected to the motor 2, and then the line layout of the submersible pump can be quickly completed, the convenience of installation and use of the submersible pump is improved, and the integrated components are convenient for later maintenance and repair.
[0020] Bottom boxes 20 are arranged on the two sides of the bottom end of the inside of the integrated box 13, inner boxes 28 are inserted into the inside of the front end of the bottom boxes 20, activated carbon materials 29 are filled in the inside of the inner boxes 28, a plurality of ventilation holes 27 are formed in the inside of the top end of the bottom boxes 20 at equal intervals, handles are arranged on the front end of the inner boxes 28, and the plurality of ventilation holes 27 penetrate through the inside of the top end of the bottom boxes 20. Specifically, as shown in Figure 1 and Figure 4 , the activated carbon materials 29 filled in the inner boxes 28 on the two sides of the bottom end of the inside of the integrated box 13 can be communicated with the inside of the integrated box 13 through the ventilation holes 27, and can assist in absorbing the moisture contained in the air in the inside of the integrated box 13, so that the dry working environment in the inside of the integrated box 13 is maintained.
[0021] The bottom end of the outer side of the shell 1 is provided with a mounting ring 8, and the outer side of the mounting ring 8 is provided with a bottom ring 10, four groups of supporting plates 9 are fixed between the mounting ring 8 and the bottom ring 10, the bottom end of the bottom ring 10 is fixed with four groups of positioning feet 11, the top of the two sides and two ends of the mounting ring 8 is respectively penetrated and provided with a mounting bolt 26, the outer side of the shell 1 is provided with a threaded hole matched with the mounting bolt 26, the four groups of supporting plates 9 are annularly and equidistantly distributed between the mounting ring 8 and the bottom ring 10, and the four groups of positioning feet 11 are annularly and equidistantly distributed on the bottom of the bottom ring 10. Specifically, as shown in Figure 1 and Figure 3 After the mounting ring 8 is fixed and mounted on the outer side of the shell 1 by using the four groups of mounting bolts 26, when the submersible pump is put into the water body for operation, the bottom of the pump body can be assisted and supported by the bottom ring 10 to prevent tilting, and the four groups of positioning feet 11 at the bottom of the bottom ring 10 can also be used to assist in inserting and positioning the submersible pump.
[0022] The top end of the shell 1 is fixed with a connecting shell 4, the inside of the connecting shell 4 is provided with an impeller 7, the top end of the connecting shell 4 is fixedly mounted with a water outlet 6, the top end of the two sides of the connecting shell 4 is respectively fixed with a lifting ring 5, the top of the shell 1 and the bottom of the connecting shell 4 are fixed with a filter cover 3, and the output shaft of the motor 2 is fixedly connected between the inside of the top end of the shell 1 and the impeller 7.
[0023] Working principle: during the installation and use of the integrated permanent magnet variable frequency submersible pump, the external power circuit breaker 18 and the control component frequency converter 15 are uniformly integrated and installed on the inside of the integrated box 13, when the submersible pump is carried and used, the circuit breaker 18 in the integrated box 13 is connected to the external circuit, and after the wire harness of the frequency converter 15 is connected to the motor 2, the line layout of the submersible pump can be quickly completed. When the submersible pump is used, the mounting ring 8 is fixed and mounted on the outer side of the shell 1 by using the four groups of mounting bolts 26, and then the submersible pump is put into the water body for operation, the bottom of the pump body can be assisted and supported by the bottom ring 10 to prevent tilting, and the four groups of positioning feet 11 at the bottom of the bottom ring 10 can also be used to assist in inserting and positioning the submersible pump. During the use of the control component of the submersible pump, the activated carbon material 29 filled in the inner box 28 on the two sides of the bottom end of the integrated box 13 can communicate with the inside of the integrated box 13 through the ventilation hole 27, and can assist in absorbing the moisture contained in the air in the inside of the integrated box 13, so as to keep the dry environment in the inside of the integrated box 13.
Claims
1. An integrated permanent magnet variable frequency submersible pump, comprising a housing (1) and an integrated box (13), characterized in that: An integrated box (13) is provided at the top of the housing (1). A motor (2) is installed inside the housing (1). Mounting feet (12) are fixed on both sides of the top and bottom of the integrated box (13). Mounting plate one (14) is horizontally fixed at the bottom of the integrated box (13), and two sets of mounting plates one (14) are arranged vertically. Mounting plate two (17) is horizontally fixed at the top of the integrated box (13), and a circuit breaker (18) is installed at the front end of mounting plate two (17). A partition is fixed between the two sides of the integrated box (13). (16) A frequency converter (15) is installed at the front end of the two sets of mounting plates (14). A door (23) is provided at the front end of the integrated box (13). A fixing frame (21) is fixed at the top and bottom of the left side of the door (23). A fixing foot (22) is fixed at the top and bottom of the left front end of the integrated box (13). The fixing foot (22) is hinged to the inside of the fixing frame (21). A locking rod (25) is provided at the top and bottom of the right side of the front end of the door (23). A viewing window (24) is fixed inside the door (23).
2. The integrated permanent magnet variable frequency submersible pump according to claim 1, characterized in that: The circuit breaker (18) is electrically connected to the frequency converter (15), and the frequency converter (15) is electrically connected to the motor (2).
3. The integrated permanent magnet variable frequency submersible pump according to claim 1, characterized in that: The locking rod (25) has an external thread on its exterior. The rear end of the locking rod (25) passes through the interior of the door body (23) and is threadedly connected to the inner hole (19). Several ventilation and heat dissipation holes are respectively opened on the interior of both sides of the integrated box (13).
4. The integrated permanent magnet variable frequency submersible pump according to claim 1, characterized in that: The bottom of the integrated box (13) is fixed with a bottom box (20) on both sides, and an inner box (28) is inserted into the front end of the bottom box (20). The inner box (28) is filled with activated carbon material (29), and several ventilation holes (27) are opened at equal intervals in the top of the bottom box (20).
5. An integrated permanent magnet variable frequency submersible pump according to claim 4, characterized in that: The inner box (28) has a handle fixed to its front end, and several ventilation holes (27) penetrate the interior of the top of the bottom box (20).
6. An integrated permanent magnet variable frequency submersible pump according to claim 1, characterized in that: The bottom of the outer casing (1) is provided with a mounting ring (8), and a bottom ring (10) is provided on the outer side of the mounting ring (8). Four sets of support plates (9) are fixed between the mounting ring (8) and the bottom ring (10). Four sets of positioning feet (11) are fixed at the bottom of the bottom ring (10). Mounting bolts (26) are respectively provided through the top of the two sides and both ends of the mounting ring (8). The outer side of the casing (1) is provided with screw holes for mounting with the mounting bolts (26).
7. An integrated permanent magnet variable frequency submersible pump according to claim 6, characterized in that: The four sets of support plates (9) are distributed in a ring at equal intervals between the mounting ring (8) and the bottom ring (10), and the four sets of positioning feet (11) are distributed in a ring at equal intervals at the bottom of the bottom ring (10).
8. An integrated permanent magnet variable frequency submersible pump according to claim 1, characterized in that: The top of the housing (1) is fixed with a connecting shell (4), and an impeller (7) is provided inside the connecting shell (4). A water outlet (6) is installed and fixed at the top of the connecting shell (4). Hanging rings (5) are fixed at the top of both sides of the connecting shell (4). A filter cover (3) is fixed between the top of the housing (1) and the bottom of the connecting shell (4). The output shaft of the motor (2) passes through the inside of the top of the housing (1) and is fixedly connected to the impeller (7).