Permanent magnet energy-saving submersible mixer

Abstract

The utility model discloses a permanent magnet energy-saving submersible mixer, which relates to the technical field of mixers, and comprises a protection unit, a driving unit and a heat dissipation unit arranged in the protection unit, and a mixing unit arranged below the protection unit, the driving unit comprises a driving motor mounted in the protection unit, a transmission shaft mounted at the output end of the driving motor, and a stirring seat mounted at the end part of the transmission shaft; the heat dissipation unit comprises a rotating disc installed on the side wall of the transmission shaft, fan blades installed on the side wall of the rotating disc and heat dissipation fins installed on the side wall of the protection unit. According to the permanent magnet energy-saving submersible mixer, through the arrangement of the driving unit and the heat dissipation unit, the internal temperature of the submersible mixer during continuous use is reduced, and the use performance of a motor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a permanent magnet energy-saving submersible mixer. Background Art

[0002] Submersible mixers are widely used in urban sewage and industrial wastewater treatment and are the main equipment for sewage treatment. The motor of a submersible mixer is a three-phase asynchronous motor, which is based on a continuous duty system and has a large energy consumption. Therefore, improving the efficiency and power factor of the motor can achieve significant energy-saving effects. Permanent magnet motors have a lot of room and advantages in improving efficiency and power factor because they use permanent magnet excitation placed in the rotor core of a three-phase induction motor.

[0003] After searching in the public (announcement) number: CN217578337U, a self-starting energy-saving permanent magnet submersible mixer is disclosed, including a shell, a sealing shell, a rotating shaft, a stirring seat, an impeller and a drainage hole, the shell is connected to the sealing shell, a permanent magnet motor is installed in the shell, an output shaft is installed on the permanent magnet motor, a high-pressure spring is installed in the rotating shaft, a buckle is installed at one end of the high-pressure spring, a placement groove is provided on the rotating shaft, the buckle is placed in the placement groove, a slide is provided on the stirring seat, a groove is provided on the inner wall of the slide, a slot is provided on the groove, the buckle is slidably connected with the groove, the buckle fits with the slot, a connecting rod is installed on the stirring seat, an impeller is installed at one end of the connecting rod, and the impeller is provided with a drainage hole. The utility model can quickly disassemble and install the impeller, is simple to operate, saves time and effort, can reduce the resistance of wastewater to the impeller, ensures the operating efficiency of the impeller, and improves the service life of the impeller.

[0004] Although the above scheme can reduce the resistance of wastewater to the impeller, ensure the operating efficiency of the impeller and increase the service life of the impeller, the internal temperature of the submersible mixer is high when it is used continuously, which affects the performance of the motor. For this reason, we propose a permanent magnet energy-saving submersible mixer. Utility Model Content

[0005] The main purpose of the utility model is to provide a permanent magnet energy-saving submersible mixer, which solves the problem that the internal temperature of the submersible mixer is high when it is used continuously, affecting the performance of the motor by setting a driving unit and a heat dissipation unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A permanent magnet energy-saving submersible mixer comprises a protection unit, a driving unit and a heat dissipation unit arranged in the protection unit, and a stirring unit arranged below the protection unit;

[0008] The driving unit comprises a driving motor installed inside the protection unit, a transmission shaft installed at the output end of the driving motor, and a stirring seat installed at the end of the transmission shaft;

[0009] The heat dissipation unit comprises a rotating disk installed on the side wall of the transmission shaft, a fan blade installed on the side wall of the rotating disk, and a heat dissipation fin installed on the side wall of the protection unit.

[0010] Preferably, the protection unit comprises a housing, a sealing shell installed at the bottom of the housing, and a motor seat installed on the inner top wall of the housing.

[0011] Preferably, there are a plurality of the heat dissipation fins, and the plurality of the heat dissipation fins are arranged in a ring array on the surface of the housing.

[0012] Preferably, the stirring unit comprises a connecting groove provided on a side wall of the stirring seat, a stirring member arranged in the connecting groove, a clamping member provided between the stirring seat and the stirring member, and a filter hole provided on a surface of the stirring member.

[0013] Preferably, the stirring member includes a connecting rod penetrating and arranged in the connecting groove, and an impeller installed at the end of the connecting rod.

[0014] Preferably, the engaging member includes a movable through hole opened in the side wall of the connecting groove, a moving rod movably passing through and arranged in the movable through hole, a engaging seat installed at one end of the moving rod located inside the connecting groove, a stretching seat installed at the other end of the moving rod, and a connecting spring arranged between the engaging seat and the connecting groove.

[0015] Preferably, one end of the connecting spring is fixedly connected to the engaging seat, and the other end is fixedly connected to the side wall of the connecting groove.

[0016] In the utility model, by providing a driving unit and a heat dissipation unit, when the submersible mixer is in continuous use and the driving motor transmission shaft rotates, the fan blades can be driven to rotate synchronously through the rotating disk, so that the wind flow generated by the fan blades is continuously blown toward the driving motor, and the heat generated during operation is quickly dissipated with the help of the heat dissipation fins, thereby reducing the internal temperature of the submersible mixer during continuous use and improving the performance of the motor; when the stirring element needs to be installed, the stretching seat is pulled outward, and the connecting spring is compressed by the engaging seat driven by the moving rod, and then the connecting rod of the stirring element is extended into the connecting groove, and then the force applied to the stretching seat is removed, and under the elastic force of the connecting spring, the engaging seat and the connecting rod are engaged, thereby realizing the rapid installation of the stirring element. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model viewed from above;

[0019] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle;

[0020] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the structure of middle I;

[0021] Figure 5 It is a schematic diagram of the main structure of the utility model.

[0022] In the figure:

[0023] 1. Protection unit; 101. Housing; 102. Sealing shell; 103. Motor base;

[0024] 2. driving unit; 201. driving motor; 202. transmission shaft; 203. stirring seat;

[0025] 3. heat dissipation unit; 301. rotating disk; 302. fan blades; 303. heat dissipation fins;

[0026] 4. stirring unit; 401. stirring member; 4011. impeller; 4012. connecting rod; 402. engaging member; 4021. moving rod; 4022. engaging seat; 4023. connecting spring; 4024. stretching seat; 403. filter hole. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a permanent magnet energy-saving submersible mixer comprises a protection unit 1, a driving unit 2 and a heat dissipation unit 3 arranged in the protection unit 1, and a stirring unit 4 arranged below the protection unit 1;

[0029] like Figure 3 As shown, the driving unit 2 includes a driving motor 201 installed inside the protection unit 1, a transmission shaft 202 installed at the output end of the driving motor 201, and a stirring seat 203 installed at the end of the transmission shaft 202. When the driving motor 201 drives the transmission shaft 202 to rotate, the transmission shaft 202 will drive the stirring seat 203 to rotate synchronously;

[0030] like Figure 3As shown, the heat dissipation unit 3 includes a rotating disk 301 installed on the side wall of the transmission shaft 202, a fan blade 302 installed on the side wall of the rotating disk 301, and a heat dissipation fin 303 installed on the side wall of the protective unit 1. When the rotating disk 301 rotates following the transmission shaft 202, the fan blade 302 can generate an airflow that continuously blows toward the drive motor 201, thereby achieving internal cooling of the submersible mixer.

[0031] like Figure 1 As shown, the protection unit 1 includes a housing 101, a sealing shell 102 installed at the bottom of the housing 101, and a motor base 103 installed on the inner top wall of the housing 101. The setting of the sealing shell 102 realizes the protection of the rotating fan blades 302.

[0032] like Figure 2 As shown, there are a plurality of heat dissipation fins 303, and the plurality of heat dissipation fins 303 are arranged in a circular array on the surface of the housing 101. The arrangement of the heat dissipation fins 303 facilitates the rapid dissipation of the heat generated when the submersible mixer is working.

[0033] like Figure 5 As shown, the stirring unit 4 includes a connecting groove opened on the side wall of the stirring seat 203, a stirring member 401 arranged in the connecting groove, a locking member 402 arranged between the stirring seat 203 and the stirring member 401, and a filter hole 403 opened on the surface of the stirring member 401. The setting of the filter hole 403 reduces the resistance of the wastewater to the stirring member 401 during the stirring process.

[0034] like Figure 3 As shown, the stirring member 401 includes a connecting rod 4012 that penetrates and is disposed in the connecting groove, and an impeller 4011 installed at the end of the connecting rod 4012. The setting of the impeller 4011 can quickly stir the industrial wastewater.

[0035] like Figure 4 As shown, the engaging member 402 includes a movable through hole provided on the side wall of the connecting groove, a moving rod 4021 which is movable and passes through and is arranged in the movable through hole, a engaging seat 4022 installed at one end of the moving rod 4021 located inside the connecting groove, a stretching seat 4024 installed at the other end of the moving rod 4021, and a connecting spring 4023 arranged between the engaging seat 4022 and the connecting groove. During the movement of the stretching seat 4024, the engaging seat 4022 can be driven to move synchronously through the moving rod 4021.

[0036] like Figure 4 As shown, one end of the connecting spring 4023 is fixedly connected to the engaging seat 4022 , and the other end is fixedly connected to the side wall of the connecting groove. The setting of the connecting spring 4023 facilitates the rapid engagement between the engaging seat 4022 and the stirring member 401 .

[0037] When the submersible mixer is in continuous use, when the drive shaft 202 of the driving motor 201 rotates, the fan blades 302 can be driven to rotate synchronously through the rotating disk 301, so that the wind flow generated by the fan blades 302 continuously blows toward the driving motor 201, and the heat generated during operation is quickly dissipated with the help of the heat dissipation fins 303, thereby reducing the internal temperature of the submersible mixer during continuous use and improving the performance of the motor. Example

[0038] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a permanent magnet energy-saving submersible mixer comprises a protection unit 1, a driving unit 2 and a heat dissipation unit 3 arranged in the protection unit 1, and a stirring unit 4 arranged below the protection unit 1;

[0039] like Figure 3 As shown, the driving unit 2 includes a driving motor 201 installed inside the protection unit 1, a transmission shaft 202 installed at the output end of the driving motor 201, and a stirring seat 203 installed at the end of the transmission shaft 202. When the driving motor 201 drives the transmission shaft 202 to rotate, the transmission shaft 202 will drive the stirring seat 203 to rotate synchronously;

[0040] like Figure 3 As shown, the heat dissipation unit 3 includes a rotating disk 301 installed on the side wall of the transmission shaft 202, a fan blade 302 installed on the side wall of the rotating disk 301, and a heat dissipation fin 303 installed on the side wall of the protective unit 1. When the rotating disk 301 rotates following the transmission shaft 202, the fan blade 302 can generate an airflow that continuously blows toward the drive motor 201, thereby achieving internal cooling of the submersible mixer.

[0041] like Figure 1 As shown, the protection unit 1 includes a housing 101, a sealing shell 102 installed at the bottom of the housing 101, and a motor base 103 installed on the inner top wall of the housing 101. The setting of the sealing shell 102 realizes the protection of the rotating fan blades 302.

[0042] like Figure 2 As shown, there are a plurality of heat dissipation fins 303, and the plurality of heat dissipation fins 303 are arranged in a circular array on the surface of the housing 101. The arrangement of the heat dissipation fins 303 facilitates the rapid dissipation of the heat generated when the submersible mixer is working.

[0043] like Figure 5As shown, the stirring unit 4 includes a connecting groove opened on the side wall of the stirring seat 203, a stirring member 401 arranged in the connecting groove, a locking member 402 arranged between the stirring seat 203 and the stirring member 401, and a filter hole 403 opened on the surface of the stirring member 401. The setting of the filter hole 403 reduces the resistance of the wastewater to the stirring member 401 during the stirring process.

[0044] like Figure 3 As shown, the stirring member 401 includes a connecting rod 4012 that penetrates and is disposed in the connecting groove, and an impeller 4011 installed at the end of the connecting rod 4012. The setting of the impeller 4011 can quickly stir the industrial wastewater.

[0045] like Figure 4 As shown, the engaging member 402 includes a movable through hole provided on the side wall of the connecting groove, a moving rod 4021 which is movable and passes through and is arranged in the movable through hole, a engaging seat 4022 installed at one end of the moving rod 4021 located inside the connecting groove, a stretching seat 4024 installed at the other end of the moving rod 4021, and a connecting spring 4023 arranged between the engaging seat 4022 and the connecting groove. During the movement of the stretching seat 4024, the engaging seat 4022 can be driven to move synchronously through the moving rod 4021.

[0046] like Figure 4 As shown, one end of the connecting spring 4023 is fixedly connected to the engaging seat 4022 , and the other end is fixedly connected to the side wall of the connecting groove. The setting of the connecting spring 4023 facilitates the rapid engagement between the engaging seat 4022 and the stirring member 401 .

[0047] When the stirring piece 401 needs to be installed, the stretching seat 4024 is pulled outward, and the connecting spring 4023 is compressed by driving the snap seat 4022 through the moving rod 4021. Then, the connecting rod 4012 of the stirring piece 401 is extended into the connecting groove. Then, the force applied to the stretching seat 4024 is removed. Under the elastic force of the connecting spring 4023, the snap seat 4022 and the connecting rod 4012 are snapped together, thereby realizing the quick installation of the stirring piece 401.

[0048] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A permanent magnet energy-saving submersible mixer, comprising a protection unit (1), characterized in that: It also includes a driving unit (2) and a heat dissipation unit (3) arranged in the protection unit (1), and a stirring unit (4) arranged below the protection unit (1); The driving unit (2) comprises a driving motor (201) installed inside the protection unit (1), a transmission shaft (202) installed at the output end of the driving motor (201), and a stirring seat (203) installed at the end of the transmission shaft (202); The heat dissipation unit (3) comprises a rotating disk (301) mounted on the side wall of the transmission shaft (202), a fan blade (302) mounted on the side wall of the rotating disk (301), and a heat dissipation fin (303) mounted on the side wall of the protection unit (1).

2. A permanent magnet energy-saving submersible mixer according to claim 1, characterized in that: The protection unit (1) comprises a housing (101), a sealing shell (102) installed at the bottom of the housing (101), and a motor seat (103) installed on the inner top wall of the housing (101).

3. A permanent magnet energy-saving submersible mixer according to claim 2, characterized in that: There are a plurality of heat dissipation fins (303), and the plurality of heat dissipation fins (303) are arranged in a circular array on the surface of the housing (101).

4. A permanent magnet energy-saving submersible mixer according to claim 3, characterized in that: The stirring unit (4) comprises a connecting groove provided on a side wall of the stirring seat (203), a stirring piece (401) arranged in the connecting groove, a clamping piece (402) provided between the stirring seat (203) and the stirring piece (401), and a filter hole (403) provided on the surface of the stirring piece (401).

5. A permanent magnet energy-saving submersible mixer according to claim 4, characterized in that: The stirring member (401) comprises a connecting rod (4012) penetrating and arranged in the connecting groove, and an impeller (4011) mounted on the end of the connecting rod (4012).

6. A permanent magnet energy-saving submersible mixer according to claim 4, characterized in that: The engaging member (402) comprises a movable through hole provided on the side wall of the connecting groove, a moving rod (4021) movably passing through and arranged in the movable through hole, a locking seat (4022) installed at one end of the moving rod (4021) located inside the connecting groove, a stretching seat (4024) installed at the other end of the moving rod (4021), and a connecting spring (4023) arranged between the locking seat (4022) and the connecting groove.

7. A permanent magnet energy-saving submersible mixer according to claim 6, characterized in that: One end of the connection spring (4023) is fixedly connected to the engaging seat (4022), and the other end is fixedly connected to the side wall of the connection groove.

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