CN221263562U

CN221263562U - Cylindrical induction type electromagnetic pump

Info

Publication number: CN221263562U
Application number: CN202323194990.0U
Authority: CN
Inventors: 李晓锦; 叶丽花; 高宇飞; 杨杰; 陈沪; 雷厉
Original assignee: Siberian Motor Technology Suzhou Co ltd
Current assignee: Siberian Motor Technology Suzhou Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-07-02
Anticipated expiration: 2033-11-27

Abstract

The utility model provides a cylinder induction type electromagnetic pump, including pump core, first sleeve and second sleeve, have pumping channel between first sleeve and the second cover, the pump core is located first sleeve, and the pump core includes axial core, a plurality of radial iron core and a plurality of coil, and radial iron core is fixed in on the axial core, and the coil is located between the radial iron core, has the cooling channel who link up along the axial between radial iron core and the first sleeve inner wall, and axial iron core and the coaxial setting of first sleeve, axial iron core center have axial through-hole, axial through-hole and cooling channel intercommunication. According to the cylindrical induction type electromagnetic pump, the hollow part of the axial iron core is directly used as a heat dissipation channel, a cooling medium is input into the pump core from top to bottom, the upper area of the pump core is cooled preferentially, and the upper area is prevented from being burnt out due to final cooling; the cooling effect is further enhanced through the cooling ribs in the axial iron core, and the cooling ribs play roles of supporting and cooling the axial iron core simultaneously.

Description

Cylindrical induction type electromagnetic pump

Technical Field

The utility model relates to the technical field of electromagnetic pumps, in particular to a cylindrical induction type electromagnetic pump.

Background

Electromagnetic pumps are devices for pumping liquid metal, and when the liquid metal is high Wen Wuzhi, such as molten aluminum, special heat dissipation treatment is required to the pump core so as to avoid damage caused by excessive temperature of the pump core. In the existing cylindrical electromagnetic pump, an air pipe stretches into the bottom of the electromagnetic pump core to pump external cold air into the pump core to realize heat dissipation, but the heat dissipation area at the upper part of the pump core is easy to burn out due to insufficient cooling because of the tail heat dissipation area at the cooling air duct.

Disclosure of utility model

The utility model aims to provide a cylindrical induction type electromagnetic pump, and the defects in the prior art are overcome through a novel electromagnetic pump core cooling structure.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

The utility model provides a cylinder induction type electromagnetic pump, including the pump core, first sleeve and second sleeve, first sleeve lower extreme opening, second sleeve lower extreme is sealed, first sleeve and the coaxial nestification of second sleeve, have pumping channel between first sleeve and the second cover, the pump core is located the second sleeve, the pump core includes axial core, a plurality of radial iron cores and a plurality of coil, radial iron core is fixed in on the axial core, the coil is located between the radial iron core, have the cooling channel that link up along the axial between pump core and the second sleeve inner wall, axial iron core and the coaxial setting of second sleeve, axial iron core center has axial through-hole, axial through-hole and cooling channel intercommunication. The cooling medium is input into the second sleeve through the axial through holes and then is discharged out of the second sleeve through the cooling channels.

Further, the axial through hole is internally provided with a heat dissipation part.

Further, the heat dissipation component comprises a cylinder and heat dissipation fins, the cylinder and the axial iron core are coaxially arranged, and the heat dissipation fins are fixed on the cylinder.

Further, the outer sides of the radiating fins are attached to the axial iron cores, and the inner sides of the radiating fins are fixed to the outer wall of the cylinder.

Further, the outer wall of the cylinder is attached to the axial iron core, and the outer sides of the radiating fins are fixed to the inner wall of the cylinder.

Further, the cylinder and the radiating fins are made of aluminum alloy, and the cylinder and the radiating fins are integrally formed aluminum radiating ribs.

Further, the upper end of the heat dissipation part is located outside the axial through hole.

Further, the upper part of the pump core is also provided with an air inlet pipeline which is communicated with the axial through hole, and the upper end of the heat dissipation part is positioned in the air inlet pipeline.

Further, the device also comprises a liquid collecting tank, wherein the upper ends of the first sleeve and the second sleeve are fixed in the liquid collecting tank, the pumping channel is communicated with the liquid collecting tank, and one side of the liquid collecting tank is provided with an overflow tank.

Compared with the prior art, the utility model has the beneficial technical effects that:

According to the cylindrical induction type electromagnetic pump, the hollow part of the axial iron core is directly used as a heat dissipation channel, a cooling medium is input into the pump core from top to bottom, the upper area of the pump core is cooled preferentially, and the upper area is prevented from being burnt out due to final cooling; the cooling effect is further enhanced through the cooling ribs in the axial iron core, and the cooling ribs play roles of supporting and cooling the axial iron core at the same time; part of the heat dissipation ribs extend out of the axial through holes, so that the cooling effect on the upper area of the pump core is further enhanced.

Drawings

Fig. 1 is a schematic structural view of a cylindrical induction type electromagnetic pump according to embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram of the relative positions of an axial core, a radial core and an air inlet pipeline;

FIG. 3 is a schematic axial core structure;

FIG. 4 is a schematic diagram of the assembly relationship of an axial core and aluminum heat dissipating ribs;

Fig. 5 is a schematic structural view of an aluminum heat sink rib.

Detailed Description

The technical scheme of the present utility model will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 and 2, a cylindrical induction type electromagnetic pump includes a first sleeve 1, a second sleeve 2, a pump core 3, and a sump (not shown). The lower end of the first sleeve 1 is open, the lower end of the second sleeve 2 is closed, the first sleeve 1 and the second sleeve 2 are coaxially nested, and a gap between the first sleeve 1 and the second sleeve 2 is a pumping channel 5. The pump core 3 is located in the second sleeve 2, the pump core 3 includes an axial core 301, a radial core 302, and a coil 303, the radial core 302 being fixed to the axial core 301, the coil 303 being located between the radial cores 302. One side of the liquid collecting tank is provided with an overflow groove, the upper part of the first sleeve 1 is fixed on the liquid collecting tank, and the second sleeve 2 passes through the middle part of the liquid collecting tank and is fixed on the liquid collecting tank. A liquid collecting space is formed between the second sleeve 2 and the liquid collecting groove, and the upper part of the pumping channel 5 is communicated with the liquid collecting space. The pump core 3 generates a travelling wave magnetic field, lifts the liquid metal to rise into a liquid collecting space of the liquid collecting tank along the pumping channel 5, and flows out through the overflow tank. A gap is arranged between the pump core 3 and the inner wall of the second sleeve 2, and the gap is penetrated along the axial direction to form a cooling channel 6.

As shown in fig. 3 to 5, the axial core 301 is coaxially disposed with the second sleeve 2, and the axial core 301 has an axial through hole 7 in the center thereof, the axial through hole 7 communicating with the cooling passage 6. The hollow portion of the axial core 301 is directly used as a heat dissipation channel, and cold air is input into the second sleeve 2 through the axial through hole 7 and then is discharged out of the second sleeve 2 through the cooling channel 6. The upper part of the pump core 3 is provided with an air inlet pipeline 4, and the air inlet pipeline 4 is communicated with an axial through hole 7. In the cooling process, cold air is pumped into the second sleeve 2 through the air inlet pipeline 4, and the cold air firstly cools the upper part of the pump core 3 through the upper region of the pump core 3, so that the upper region is prevented from being burnt out due to final cooling.

The axial through hole 7 is also provided with an aluminum heat dissipation rib 8 (fig. 4), and the aluminum heat dissipation rib 8 plays a role in supporting and cooling the axial iron core 301. The aluminum heat dissipation rib 8 comprises a cylinder and heat dissipation fins, the cylinder and the axial iron core 301 are coaxially arranged, and the heat dissipation fins are fixed on the cylinder. The cylinder and the heat radiating fins are integrally formed. There are two attaching modes of the aluminum heat dissipation rib 8 and the axial iron core 301, and the outer side of the heat dissipation fin and the inner side of the heat dissipation fin attached to the axial iron core 301 are fixed on the outer wall of the cylinder, or the outer side of the heat dissipation fin attached to the outer wall of the cylinder and the axial iron core 301 are fixed on the inner wall of the cylinder. The cooling effect is further enhanced by the aluminum ribs 8 in the axial core 301. In order to enhance the cooling effect of the upper region of the pump core 3, a part of the upper end of the aluminum heat radiation rib 8 may be provided in the air intake duct 4 (fig. 2) outside the axial through hole 7, so that the upper region of the pump core 3 may have more aluminum heat radiation ribs 8.

Claims

1. The utility model provides a cylinder induction type electromagnetic pump, including the pump core, first sleeve and second sleeve, first sleeve lower extreme opening, second sleeve lower extreme is sealed, first sleeve and the coaxial nestification of second sleeve, have pumping channel between first sleeve and the second cover, its characterized in that, the pump core is arranged in the second sleeve, the pump core includes axial iron core, a plurality of radial iron cores and a plurality of coil, radial iron core is fixed in on the axial iron core, the coil is arranged between the radial iron core, have the cooling channel who link up along the axial between pump core and the second sleeve inner wall, axial iron core and the coaxial setting of second sleeve, axial iron core center has axial through-hole, axial through-hole and cooling channel intercommunication.

2. The cylindrical induction type electromagnetic pump according to claim 1, wherein the axial through hole is further provided with a heat radiation member.

3. The cylindrical induction type electromagnetic pump according to claim 2, wherein the heat radiating member is made of aluminum alloy.

4. A cylindrical induction type electromagnetic pump according to claim 3, wherein the heat radiating member comprises a cylinder and heat radiating fins, the cylinder being disposed coaxially with the axial core, the heat radiating fins being fixed to the cylinder.

5. The cylindrical induction type electromagnetic pump according to claim 4, wherein the outer side of the radiating fin is attached to the axial core, and the inner side of the radiating fin is fixed to the outer wall of the cylinder.

6. The cylindrical induction type electromagnetic pump according to claim 4, wherein the outer wall of the cylinder is attached to the axial core, and the outer side of the heat radiating fin is fixed to the inner wall of the cylinder.

7. The cylindrical induction type electromagnetic pump according to claim 4, wherein the cylinder and the heat radiating fins are integrally formed.

8. A cylindrical induction type electromagnetic pump according to any one of claims 2 to 7, wherein the upper end of the heat radiating member is located outside the axial through hole.

9. The cylinder induction type electromagnetic pump as set forth in claim 8, wherein the upper portion of the pump core is further provided with an air intake pipe, the air intake pipe is communicated with the axial through hole, and the upper end of the heat radiation member is located in the air intake pipe.

10. The cylindrical induction type electromagnetic pump according to claim 1, further comprising a liquid collecting tank, wherein upper ends of the first sleeve and the second sleeve are fixed to the liquid collecting tank, the pumping channel is communicated with the liquid collecting tank, and an overflow tank is arranged on one side of the liquid collecting tank.