CN117543856A - Electromagnetic pump with multilayer heat dissipation channels - Google Patents
Electromagnetic pump with multilayer heat dissipation channels Download PDFInfo
- Publication number
- CN117543856A CN117543856A CN202311593776.4A CN202311593776A CN117543856A CN 117543856 A CN117543856 A CN 117543856A CN 202311593776 A CN202311593776 A CN 202311593776A CN 117543856 A CN117543856 A CN 117543856A
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- core
- sleeve
- radial
- axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 60
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 43
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 13
- 239000002356 single layer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
An electromagnetic pump with multilayer heat dissipation channels comprises a pump core and a sleeve, wherein the pump core is arranged in the sleeve and comprises an axial iron core, a radial iron core and coils, the radial iron core is fixed on the axial iron core, and the coils are arranged between the radial iron cores. A first heat dissipation channel is arranged between the pump core and the inner wall of the sleeve. A ventilation gap is formed between the coils, a ventilation hole is formed in the radial iron core, and the ventilation hole is communicated with the ventilation gap. The ventilation holes on the radial iron cores and the ventilation gaps on the coils are sequentially communicated in the axial direction to form a second heat dissipation channel. The axial iron core and the sleeve are coaxially arranged, an axial through hole is formed in the center of the axial iron core, and the axial through hole is communicated with the first heat dissipation channel and the second heat dissipation channel. According to the electromagnetic pump with the multi-layer heat dissipation channels, the heat dissipation channels are arranged in the pump core iron core and the coil, and all layers of turns in the coil are directly contacted with cold air, so that the heat dissipation effect inside the coil is enhanced.
Description
Technical Field
The invention relates to the technical field of electromagnetic pumps, in particular to an electromagnetic pump with a plurality of layers of heat dissipation channels.
Background
When the electromagnetic pump is used for pumping high-temperature liquid metal, special heat dissipation treatment is needed to be carried out on the pump core so as to avoid damage caused by overhigh temperature of the pump core. In the existing cylindrical electromagnetic pump, a ventilation pipe stretches into the bottom of a pump core of the electromagnetic pump to pump external cold air into the bottom of the pump core, and then the external cold air is discharged through a gap between the pump core and a pump core sleeve, so that heat dissipation is realized. The coil is used as a heat source, only the outer layer of the coil can be cooled by contacting cold air, the inner layer of the coil does not have cold air passing through, heat dissipation is difficult, and the coil is easy to burn out.
Disclosure of Invention
The invention aims to provide an electromagnetic pump core with a plurality of layers of heat dissipation channels and an electromagnetic pump provided with the electromagnetic pump core, and the coil is cooled through the plurality of heat dissipation channels, so that the defect that the heat dissipation inside the coil of the existing electromagnetic pump core is difficult is overcome.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
an electromagnetic pump core with a multi-layer heat dissipation channel comprises an axial iron core, a plurality of radial iron cores and a plurality of coils, wherein the radial iron cores are fixed on the axial iron cores, and the coils are positioned between the radial iron cores. The single coil comprises a plurality of nested sub-coils, and ventilation gaps are arranged between at least one group of adjacent sub-coils; a plurality of ventilation holes which are communicated with the ventilation gaps along the axial direction are formed in the single radial iron core; the ventilation holes on the radial iron cores and the ventilation gaps on the coils are sequentially communicated with each other along the axis of the pump core to form a second heat dissipation channel.
Further, the coil comprises three single-layer cylindrical sub-coils, and the three single-layer cylindrical sub-coils are coaxially nested.
Further, the ventilation holes on the single radial iron core are positioned on the same circular ring.
Further, the number of the vent holes in the single radial iron core is 6, and the 6 vent holes are distributed on the same circular ring at equal intervals.
Further, the radial iron core is circular or polygonal.
The invention also provides an electromagnetic pump with the multi-layer heat dissipation channels, which comprises the sleeve and the pump core, wherein the pump core is positioned in the sleeve, a first heat dissipation channel which is communicated with the inner wall of the sleeve along the axial direction is arranged between the pump core and the inner wall of the sleeve, and the first heat dissipation channel is communicated with the second heat dissipation channel at the bottom of the sleeve.
Further, the axial iron core is coaxially arranged with the sleeve, the center of the axial iron core is provided with an axial through hole, and the axial through hole is communicated with the first heat dissipation channel and the second heat dissipation channel at the bottom of the sleeve.
Further, a gap is formed between the outer edge of the coil and the inner wall of the sleeve, the periphery of the radial iron core is attached to the inner wall of the sleeve, the outer edge of the radial iron core is provided with a plurality of grooves, and the gap and the grooves are communicated with each other along the axial direction of the pump shaft to form a first heat dissipation channel.
Further, the outer edge of the radial iron core is provided with 6 grooves, and the 6 grooves are distributed at equal intervals.
Compared with the prior art, the invention has the beneficial technical effects that:
according to the electromagnetic pump with the multi-layer heat dissipation channels, the ventilation structure is arranged in the core of the pump core and the coil, so that the inside of the pump core is provided with the plurality of heat dissipation channels which are penetrated in the axial direction, and all layers of turns in the coil are directly contacted with cold air, so that the heat dissipation effect in the coil is enhanced.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an electromagnetic pump with a multi-layer heat dissipation channel according to an embodiment of the present invention.
Fig. 2 is an upper cross-sectional view of the electromagnetic pump.
Fig. 3 is a schematic diagram of the pump core structure.
Fig. 4 is a lower cross-sectional view of the electromagnetic pump.
Fig. 5 is a schematic view of a radial core structure.
Fig. 6 is a schematic diagram of a coil structure.
Fig. 7 is a schematic diagram of the radial core to coil assembly relationship.
Detailed Description
The technical scheme of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 4, an electromagnetic pump having a multi-layered heat dissipation path includes a first sleeve 1, a second sleeve 2, a pump core 3, and a liquid collecting tank 4. 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 pumping channel 5 is arranged between the first sleeve 1 and the second sleeve 2. One side of the liquid collecting tank 4 is provided with an overflow groove 401, and liquid metal is lifted into the liquid collecting tank 4 along the pumping channel 5 under the action of the travelling wave magnetic field of the pump core 3 and flows out through the overflow groove 401. 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.
The radial iron core 302 is circular, a gap is arranged between the radial iron core 302 and the inner wall of the second sleeve 2, and the gap penetrates through the radial iron core 302 along the axial direction to form the first heat dissipation channel 6. As shown in particular in fig. 3 and 5, the outer diameter of the coil 303 is smaller than the outer diameter of the radial core 302, so that there is a gap between the coil 303 and the inner wall of the second sleeve 2. The periphery of the radial iron core 302 is attached to the inner wall of the second sleeve 2, six equally-spaced grooves 7 are formed in the outer edge of the radial iron core 302, the grooves 7 on each radial iron core 302 and the gaps between the coils 303 and the inner wall of the second sleeve 2 are sequentially communicated in the axial direction of the pump spindle to form a first heat dissipation channel 6, and the grooves are communicated through the gaps between the coils 303 and the second sleeve 2.
As shown in fig. 5-7, six ventilation holes 8 penetrating along the axial direction are formed in the middle of the radial iron core 302, the coil 303 is composed of three coaxially nested cylindrical sub-coils, and a ventilation gap 304 is formed between the middle cylindrical sub-coil and the inner cylindrical sub-coil. Vent hole 8 communicates with vent gap 304 (fig. 7). The ventilation holes 8 on each radial iron core 302 and the ventilation gaps 304 on each coil 303 are sequentially penetrated along the axial direction to form six second heat dissipation channels 9. The first heat dissipation channel 6 communicates with the second heat dissipation channel 9 at the bottom of the second sleeve 2.
The axial iron core 301 is coaxially arranged with the second sleeve 2, the axial through hole 10 is arranged in the center of the axial iron core 301, the axial through hole 10 is communicated with the first heat dissipation channel 6 and the second heat dissipation channel 9 at the bottom of the second sleeve 2, and the hollow part of the axial iron core 301 is directly used as the heat dissipation channel.
The upper part of the pump core 3 is provided with an air inlet pipeline 11, and the air inlet pipeline 11 is communicated with the axial through hole 10. In the cooling process, cold air is pumped into the second sleeve 2 through the axial through hole 10 by the air inlet pipeline 11 and is discharged through the first heat dissipation channel 6 and the second heat dissipation channel 9. The outer turns of the coil 303 are in contact with the cold air in the first heat dissipation channel 6, and the inner turns and the middle turns of the coil 303 are in contact with the cold air in the second heat dissipation channel 9. Each layer of turns in the coil 303 are directly contacted with cold air, so that the heat dissipation effect inside the coil 303 is enhanced. .
Claims (9)
1. The utility model provides an electromagnetic pump core with multilayer heat dissipation passageway, includes axial iron core, a plurality of radial iron core and a plurality of coil, and radial iron core is fixed in on the axial iron core, and the coil is located between the radial iron core, its characterized in that:
the single coil comprises a plurality of nested sub-coils, and ventilation gaps are arranged between at least one group of adjacent sub-coils; a plurality of ventilation holes which are communicated with the ventilation gaps along the axial direction are formed in the single radial iron core; the ventilation holes on the radial iron cores and the ventilation gaps on the coils are sequentially communicated with each other along the axis of the pump core to form a second heat dissipation channel.
2. An electromagnetic pump core with multi-layer heat dissipation channels as defined in claim 1, wherein the coil comprises three single layer cylindrical sub-coils coaxially nested.
3. An electromagnetic pump with multi-layered heat dissipation channels according to claim 1, wherein the vents on the single radial core are located on the same ring.
4. A pump core for an electromagnetic pump having a multi-layered heat dissipation channel as defined in claim 3, wherein the number of ventilation holes in said single radial core is 6, and 6 ventilation holes are equally spaced on the same ring.
5. An electromagnetic pump core with multi-layered heat dissipation channels as defined in any of claims 1-4, wherein the radial core is circular or polygonal.
6. An electromagnetic pump with a plurality of layers of heat dissipation channels is characterized by comprising a sleeve and the pump core in claim 5, wherein the pump core is arranged in the sleeve, a first heat dissipation channel which is communicated with the inner wall of the sleeve along the axial direction is arranged between the pump core and the inner wall of the sleeve, and the first heat dissipation channel is communicated with the second heat dissipation channel at the bottom of the sleeve.
7. The electromagnetic pump with multiple layers of heat dissipation channels as defined in claim 6, wherein the axial core is coaxially disposed with the sleeve, the axial core having an axial through hole in the center thereof, the axial through hole communicating with the first heat dissipation channel and the second heat dissipation channel at the bottom of the sleeve.
8. The electromagnetic pump with the multi-layer heat dissipation channel as set forth in claim 6, wherein a gap is provided between the outer edge of the coil and the inner wall of the sleeve, the outer periphery of the radial core is attached to the inner wall of the sleeve, the outer edge of the radial core has a plurality of grooves, and the gap and the grooves are penetrated in the axial direction of the pump shaft to form the first heat dissipation channel.
9. The electromagnetic pump with multi-layered heat dissipation channel as defined in claim 8, wherein the outer edge of the radial core has 6 grooves, and the 6 grooves are equally spaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593776.4A CN117543856A (en) | 2023-11-27 | 2023-11-27 | Electromagnetic pump with multilayer heat dissipation channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593776.4A CN117543856A (en) | 2023-11-27 | 2023-11-27 | Electromagnetic pump with multilayer heat dissipation channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117543856A true CN117543856A (en) | 2024-02-09 |
Family
ID=89782081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311593776.4A Pending CN117543856A (en) | 2023-11-27 | 2023-11-27 | Electromagnetic pump with multilayer heat dissipation channels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117543856A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017795A (en) * | 2024-04-08 | 2024-05-10 | 浙江大学 | Induction electromagnetic pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753901Y (en) * | 2004-12-16 | 2006-01-25 | 陈镇华 | Electromagnetic pump body |
| CN106300778A (en) * | 2016-08-02 | 2017-01-04 | 天津飞旋科技研发有限公司 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
| CN205960857U (en) * | 2016-08-02 | 2017-02-15 | 天津飞旋科技研发有限公司 | Take pure forced -air cooling heat dissipation structure of magnetic levitation motor of two impellers |
| CN111404354A (en) * | 2020-02-25 | 2020-07-10 | 浙富控股集团股份有限公司 | Electromagnetic pump structure |
-
2023
- 2023-11-27 CN CN202311593776.4A patent/CN117543856A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753901Y (en) * | 2004-12-16 | 2006-01-25 | 陈镇华 | Electromagnetic pump body |
| CN106300778A (en) * | 2016-08-02 | 2017-01-04 | 天津飞旋科技研发有限公司 | The pure air-cooled heat dissipation structure of magnetic suspension motor of impeller one |
| CN205960857U (en) * | 2016-08-02 | 2017-02-15 | 天津飞旋科技研发有限公司 | Take pure forced -air cooling heat dissipation structure of magnetic levitation motor of two impellers |
| CN111404354A (en) * | 2020-02-25 | 2020-07-10 | 浙富控股集团股份有限公司 | Electromagnetic pump structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118017795A (en) * | 2024-04-08 | 2024-05-10 | 浙江大学 | Induction electromagnetic pump |
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