CN111486743A - Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof - Google Patents
Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof Download PDFInfo
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- CN111486743A CN111486743A CN202010383395.3A CN202010383395A CN111486743A CN 111486743 A CN111486743 A CN 111486743A CN 202010383395 A CN202010383395 A CN 202010383395A CN 111486743 A CN111486743 A CN 111486743A
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- heat exchanger
- half shell
- upper half
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
- F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
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- 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
- H02K1/27—Rotor cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The invention relates to a permanent magnet heat exchanger beneficial to improving heat exchange coefficient and a manufacturing method thereof, belonging to the technical field of heat exchangers. The upper half assembly of the heat exchanger comprises an upper half shell of the heat exchanger, an inner shaft communicated with the lower half assembly of the heat exchanger is arranged in the upper half shell of the heat exchanger, an outer magnetic rotor nested with the outer impeller is arranged between the outer impeller and the upper half shell of the heat exchanger, and an inner magnetic rotor nested with the inner shaft and magnetically cutting and driving the outer magnetic rotor is arranged between the inner shaft and the upper half shell of the heat exchanger. The forced movement of the medium to be cooled is realized, the heat dissipation effect of the radiator is greatly enhanced, and the heat exchange coefficient of the radiator is improved.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a permanent magnet heat exchanger beneficial to improving heat exchange coefficient and a manufacturing method thereof.
Background
The permanent magnet transmission is a revolution in the transmission history, has the characteristics of simple structure, reliable operation, energy conservation and consumption reduction, is well applied to the modern industry, and is mainly applied to the energy conservation of motor dragging systems in the industries of petroleum, petrifaction, electric power, mines, steel, chemical engineering, cement and the like. The strengthening heat transfer technology generally has only two means, namely increasing the heat transfer area and improving the heat transfer coefficient, and the means of a flow disturbing hole, corona wind, longitudinal vortex and the like are taken as research hotspots in the engineering thermophysics field at present.
Disclosure of Invention
The invention mainly solves the defects of poor heat dissipation performance, low operation stability and short service life in the prior art, and provides a permanent magnet heat exchanger which is beneficial to improving the heat transfer coefficient and a manufacturing method thereof.
The technical problem of the invention is mainly solved by the following technical scheme:
the permanent magnet heat exchanger beneficial to improving the heat exchange coefficient comprises an upper half component of the heat exchanger and a lower half component of the heat exchanger, wherein a cooling water pipe communicated with the lower half component of the heat exchanger is arranged on the lower half component of the heat exchanger, and a plurality of radiating fins sleeved with the cooling water pipe are arranged at two ends of the lower half component of the heat exchanger. The upper half assembly of the heat exchanger comprises an upper half shell of the heat exchanger, an inner shaft communicated with the lower half assembly of the heat exchanger is arranged in the upper half shell of the heat exchanger, an outer impeller movably connected with the upper half shell of the heat exchanger in a nested manner is arranged at the upper end of the upper half shell of the heat exchanger, an outer magnetic rotor connected with the outer impeller in a nested manner is arranged between the outer impeller and the upper half shell of the heat exchanger, and an inner magnetic rotor connected with the inner shaft in a nested manner and magnetically driven with the outer magnetic rotor in a cutting manner is arranged between the inner shaft and the upper half shell of the heat exchanger.
Preferably, the lower half assembly of the heat exchanger comprises a lower half housing of the heat exchanger which is in penetrating and sleeved connection with the inner shaft, a plurality of internal impellers which are distributed annularly at equal intervals and integrally welded with the inner shaft are arranged between the inner shaft and the lower half housing of the heat exchanger, and the lower half housing of the heat exchanger is communicated with the cooling water pipe.
Preferably, one end of the upper half shell of the heat exchanger and the lower half shell of the heat exchanger are in an integrated vertical structure, the other end of the upper half shell of the heat exchanger is provided with a rear gland which is in an integrated sealing type with the upper half shell of the heat exchanger, and the other end of the lower half shell of the heat exchanger is provided with a front gland which is in an integrated sealing type with the lower half shell of the heat exchanger.
Preferably, the outer magnetic rotor comprises a plurality of outer magnetic permanent magnetic steel sheets which are distributed in an annular structure and are alternately arranged along the circumferential direction N, S poles.
Preferably, the inner magnet rotor comprises a plurality of inner magnet permanent magnet steel sheets which are distributed in an annular structure and are alternately arranged along the circumferential direction N, S poles.
Preferably, one end of the external impeller is fixedly sleeved with the upper half shell of the heat exchanger in an inserting and embedding manner, and the other end of the external impeller is provided with an external magnetic rotor limiting cover which is sleeved with the upper half shell of the heat exchanger and fixedly connected with the external impeller in an inserting and embedding manner.
Preferably, a plurality of radiating fin tubes are arranged between two adjacent radiating fins.
Preferably, the method for manufacturing the permanent magnet heat exchanger beneficial to improving the heat exchange coefficient comprises the following operation steps:
the first step is as follows: firstly, the notch groove is formed in the cooling water pipe and integrally welded with the lower half shell of the heat exchanger, then the inner shaft is matched with the upper half shell of the heat exchanger to complete the insertion connection with the lower half shell of the heat exchanger, and at the moment, the coaxial shell integrated welding process of the lower half shell of the heat exchanger and the upper half shell of the heat exchanger is completed.
The second step is that: and pulling out the inner shaft, inserting the inner magnetic rotor into the upper half shell of the heat exchanger after the inner magnetic rotor is sleeved, and then completing the positioning welding process of the inner impeller and the inner shaft in the lower half shell of the heat exchanger.
The third step: and sleeving an outer magnetic rotor on the inner wall of the outer impeller, then limiting and sleeving the outer impeller with the outer magnetic rotor with the upper half shell of the heat exchanger, and then completing axial sliding limitation on the outer impeller by adopting a limiting cover of the outer magnetic rotor.
The fourth step: the rear gland is fixedly connected in a sealing manner by the tail end of the upper half shell of the heat exchanger through bolt fastening or welding, and the front gland is fixedly connected in a sealing manner by the front end of the lower half shell of the heat exchanger through bolt fastening or welding.
The fifth step: and a plurality of radiating fins which are attached to and sleeved with the cooling water pipes in a heat conduction manner are assembled at two side ends of the lower half shell of the heat exchanger, and a plurality of radiating fin pipes are inserted and embedded between two adjacent radiating fins to fix and increase the radiating effect.
Preferably, the outer magnetic rotor is annularly spliced and distributed by adopting a plurality of outer magnetic permanent magnetic steel sheets, the inner magnetic rotor is annularly spliced and distributed by adopting a plurality of inner magnetic permanent magnetic steel sheets, the splicing number of the inner magnetic permanent magnetic steel sheets is the same as that of the outer magnetic permanent magnetic steel sheets, the joint of the inner magnetic permanent magnetic steel sheets and the central line of the outer magnetic permanent magnetic steel sheets are on the same circular central axis, permanent magnetic steels made of rare earth permanent magnetic materials are adopted, and the permanent magnetic steels are alternately arranged along the circumferential direction N, S poles to form a rotating magnetic field. The inner magnetic permanent magnetic steel sheet and the outer magnetic permanent magnetic steel sheet are glued by an adhesive to form a ring structure.
Preferably, when cooling water flows through the inner impeller from the cooling water pipe, the inner impeller rotates, the inner shaft and the coaxial inner magnetic rotor are driven to rotate to form a rotating magnetic field, the outer magnetic rotor rotates under the action of magnetic force dragging, the outer impeller drives and forces nearby fluid to be cooled to flow along with the outer impeller, turbulence is promoted after the fluid flows through the turbulence columns, and the convection effect of cold and hot fluid in the region to be cooled is forced to be enhanced, so that the heat dissipation effect of the radiator is greatly enhanced, and the heat exchange coefficient of the radiator is improved.
The invention can achieve the following effects:
compared with the prior art, the invention adopts a rotating magnetic field formed by annularly arranging permanent magnet steel sheets and a magnetic circuit push-pull principle to realize forced movement of a medium to be cooled, and combines a certain turbulent flow design, so that the destruction of a laminar flow boundary layer on the heat exchange surface and the generation of a turbulent flow boundary layer can be promoted, the natural convection heat dissipation state of the medium is changed, the laminar flow near a heat dissipation fin is converted into turbulent flow, the heat dissipation effect of a heat radiator is greatly enhanced, and the heat exchange coefficient of the heat radiator is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a side view in cross-section of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a schematic view of the structure of the outer magnet rotor and the inner magnet rotor in the present invention.
In the figure: the heat exchanger comprises an upper half assembly 1 of the heat exchanger, a lower half assembly 2 of the heat exchanger, cooling fins 3, a cooling water pipe 4, a rear gland 5, a limiting cover 6 of an external magnetic rotor, an external impeller 7, an external magnetic rotor 8, an upper half shell 9 of the heat exchanger, a lower half shell 10 of the heat exchanger, an internal impeller 11, a front gland 12, an inner shaft 13, an internal magnetic rotor 14, a cooling fin pipe 15, an external magnetic permanent magnetic steel sheet 16 and an internal magnetic permanent magnetic steel sheet 17.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1-4, a permanent magnet heat exchanger beneficial for improving heat exchange coefficient comprises a heat exchanger upper half component 1 and a heat exchanger lower half component 2, wherein a cooling water pipe 4 communicated with the heat exchanger lower half component 2 is arranged on the heat exchanger lower half component 2, and two ends of the heat exchanger lower half component 2 are provided with 7 cooling fins 3 sleeved with the cooling water pipe 4. 15 radiating fin tubes 15 are arranged between two adjacent radiating fins 3. The upper half assembly 1 of the heat exchanger comprises an upper half shell 9 of the heat exchanger, an inner shaft 13 communicated with the lower half assembly 2 of the heat exchanger is arranged in the upper half shell 9 of the heat exchanger, an outer impeller 7 movably connected with the upper half shell 9 of the heat exchanger in an embedded mode is arranged at the upper end of the upper half shell 9 of the heat exchanger, one end of the outer impeller 7 is fixedly connected with the upper half shell 9 of the heat exchanger in an inserted mode, and an outer magnetic rotor limiting cover 6 which is fixedly connected with the upper half shell 9 of the heat exchanger in an inserted mode is arranged at the other end of the outer impeller 7. An outer magnetic rotor 8 which is connected with the outer impeller 7 in a nested manner is arranged between the outer impeller 7 and the upper half shell 9 of the heat exchanger, and the outer magnetic rotor 8 comprises 12 outer magnetic permanent magnetic steel sheets 16 which are distributed in an annular structure and are alternately arranged along the circumferential direction N, S. An inner magnetic rotor 14 which is nested with the inner shaft 13 and is magnetically driven with the outer magnetic rotor 8 is arranged between the inner shaft 13 and the upper half shell 9 of the heat exchanger. The inner magnet rotor 14 comprises 12 blocks of magnetic permanent magnet steel sheets 17 which are distributed in an annular structure and are alternately arranged along the circumferential direction N, S poles. The lower half component 2 of the heat exchanger comprises a lower half shell 10 of the heat exchanger which is in penetrating and sleeved with the inner shaft 13, 6 inner impellers 11 which are distributed annularly at equal intervals and are integrally welded with the inner shaft 13 are arranged between the inner half shell 10 of the heat exchanger and the inner shaft 13, and the lower half shell 10 of the heat exchanger is communicated with the cooling water pipe 4. One end of the upper half shell 9 of the heat exchanger and the lower half shell 10 of the heat exchanger are in an integrated vertical structure, the other end of the upper half shell 9 of the heat exchanger is provided with a rear gland 5 which is in an integrated sealing type with the upper half shell 9 of the heat exchanger, and the other end of the lower half shell 10 of the heat exchanger is provided with a front gland 12 which is in an integrated sealing type with the lower half shell 10 of the heat exchanger.
The manufacturing method of the permanent magnet heat exchanger beneficial to improving the heat exchange coefficient comprises the following operation steps:
the first step is as follows: firstly, the notch groove of the cooling water pipe 4 is integrally welded with the lower half shell 10 of the heat exchanger, then the inner shaft 13 is matched with the upper half shell 9 of the heat exchanger to complete the insertion connection with the lower half shell 10 of the heat exchanger, and at the moment, the coaxial shell integrated welding process of the lower half shell 10 of the heat exchanger and the upper half shell 9 of the heat exchanger is completed.
The second step is that: and pulling out the inner shaft 13, inserting the inner magnetic rotor 14 into the inner shaft 13 to the upper half shell 9 of the heat exchanger after being sleeved, and then completing the positioning welding process of the inner impeller 11 and the inner shaft 13 in the lower half shell 10 of the heat exchanger. The inner magnetic rotor 14 adopts 12 blocks of magnetic permanent magnet steel sheets 17 which are annularly spliced and distributed, adopts permanent magnet steel made of rare earth permanent magnet materials, and the steel steels are alternately arranged along the N, S poles in the circumferential direction to form a rotating magnetic field.
The third step: the inner wall of the external impeller 7 is sleeved with an external magnetic rotor 8, then the external impeller 7 with the external magnetic rotor 8 is in limited sleeve joint with an upper half shell 9 of the heat exchanger, and then the axial sliding limit of the external impeller 7 is completed by adopting an external magnetic rotor limit cover 6. The outer magnetic rotor 8 adopts 12 outer magnetic permanent magnetic steel sheets 16 which are annularly spliced and distributed, the splicing quantity of the inner magnetic permanent magnetic steel sheets 17 is the same as that of the outer magnetic permanent magnetic steel sheets 16, the joint of the inner magnetic permanent magnetic steel sheets 17 and the central line of the outer magnetic permanent magnetic steel sheets 16 are on the same circular central axis, permanent magnetic steels made of rare earth permanent magnetic materials are adopted, and the permanent magnetic steels are alternately arranged along the N, S poles in the circumferential direction to form a rotating magnetic field.
The fourth step: the rear gland 5 is fixedly connected in a sealing manner by bolt fastening or welding at the tail end of the upper half shell 9 of the heat exchanger, and the front gland 12 is fixedly connected in a sealing manner by bolt fastening or welding at the front end of the lower half shell 10 of the heat exchanger.
The fifth step: a plurality of radiating fins 3 which are attached to and sleeved with a cooling water pipe 4 in a heat conduction mode are assembled at two side ends of a lower half shell 10 of the heat exchanger, and 15 radiating fin pipes 15 are inserted and embedded between two adjacent radiating fins 3 to fix and increase the radiating effect.
When cooling water flows through the inner impeller 11 from the cooling water pipe 4, the inner impeller 11 rotates, the inner shaft 13 and the coaxial inner magnetic rotor 14 are driven to rotate to form a rotating magnetic field, the outer magnetic rotor 8 rotates under the action of magnetic force dragging, the outer impeller 7 drives and forces nearby fluid to be cooled to flow, turbulence is promoted after flowing through the turbulence column, and the convection effect of cold and hot fluid in the region to be cooled is forced to be enhanced, so that the heat dissipation effect of the radiator is greatly enhanced, and the heat exchange coefficient of the radiator is improved.
In summary, the permanent magnet heat exchanger beneficial to improving the heat exchange coefficient and the manufacturing method thereof adopt the rotating magnetic field formed by the annular arrangement of the permanent magnet steel sheets and the principle of 'magnetic circuit push-pull' to realize the forced movement of the medium to be cooled, and are combined with a certain turbulent flow design, so that the damage of the laminar flow boundary layer on the heat exchange surface and the generation of the turbulent flow boundary layer can be promoted, the natural convection heat dissipation state of the heat exchange surface is changed, the laminar flow near the heat radiating fins is converted into turbulent flow, the heat dissipation effect of the heat radiator is greatly enhanced, and the heat exchange coefficient.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (10)
1. A do benefit to permanent magnetism formula heat exchanger that improves heat transfer coefficient which characterized in that: the heat exchanger comprises an upper half assembly (1) of a heat exchanger and a lower half assembly (2) of the heat exchanger, wherein a cooling water pipe (4) communicated with the lower half assembly (2) of the heat exchanger is arranged on the lower half assembly (2) of the heat exchanger, and a plurality of cooling fins (3) sleeved with the cooling water pipe (4) are arranged at two ends of the lower half assembly (2) of the heat exchanger; the upper half assembly (1) of the heat exchanger comprises an upper half shell (9) of the heat exchanger, an inner shaft (13) communicated with the lower half assembly (2) of the heat exchanger is arranged in the upper half shell (9) of the heat exchanger, an outer impeller (7) movably connected with the upper half shell (9) of the heat exchanger in a nested manner is arranged at the upper end of the upper half shell (9) of the heat exchanger, an outer magnetic rotor (8) connected with the outer impeller (7) in a nested manner is arranged between the outer impeller (7) and the upper half shell (9) of the heat exchanger, and an inner magnetic rotor (14) connected with the inner shaft (13) in a nested manner and magnetically driven with the outer magnetic rotor (8) in a cutting manner is arranged between the inner shaft (13) and the upper half shell (9) of the.
2. A permanent magnet heat exchanger for increasing heat transfer coefficient according to claim 1, wherein: the lower half component (2) of the heat exchanger comprises a lower half shell (10) of the heat exchanger, wherein the lower half shell (10) of the heat exchanger is in penetrating and sleeved connection with the inner shaft (13), a plurality of inner impellers (11) which are distributed in an annular mode at equal intervals and are integrally welded with the inner shaft (13) are arranged between the inner half shell (10) of the heat exchanger and the inner shaft (13), and the lower half shell (10) of the heat exchanger is communicated with the cooling water pipe (4).
3. A permanent magnet heat exchanger beneficial to improving heat exchange coefficient according to claim 2, wherein: one end of the upper half shell (9) of the heat exchanger and the lower half shell (10) of the heat exchanger are of an integrated vertical structure, a rear gland (5) which is in an integrated sealing type with the upper half shell (9) of the heat exchanger is arranged at the other end of the upper half shell (9) of the heat exchanger, and a front gland (12) which is in an integrated sealing type with the lower half shell (10) of the heat exchanger is arranged at the other end of the lower half shell (10) of the heat exchanger.
4. A permanent magnet heat exchanger for increasing heat transfer coefficient according to claim 1, wherein: the outer magnetic rotor (8) comprises a plurality of outer magnetic permanent magnetic steel sheets (16) which are distributed in an annular structure and are alternately arranged along the N, S poles in the circumferential direction.
5. A permanent magnet heat exchanger for increasing heat transfer coefficient according to claim 1, wherein: the inner magnetic rotor (14) comprises a plurality of inner magnetic permanent magnetic steel sheets (17) which are distributed in an annular structure and are alternately arranged along the circumferential direction N, S.
6. A permanent magnet heat exchanger for increasing heat transfer coefficient according to claim 1, wherein: one end of the external impeller (7) is fixedly connected with the upper half shell (9) of the heat exchanger in an inserting and embedding manner, and the other end of the external impeller (7) is provided with an external magnetic rotor limiting cover (6) which is fixedly connected with the upper half shell (9) of the heat exchanger in an inserting and embedding manner.
7. A permanent magnet heat exchanger for increasing heat transfer coefficient according to claim 1, wherein: a plurality of radiating fin tubes (15) are arranged between two adjacent radiating fins (3).
8. A method for manufacturing a permanent magnet heat exchanger beneficial to improving heat exchange coefficient according to claim 3, characterized by comprising the following operation steps:
the first step is as follows: firstly, integrally welding a notch groove formed on a cooling water pipe (4) and a lower half shell (10) of a heat exchanger, then completing the insertion of an inner shaft (13) and an upper half shell (9) of the heat exchanger with the lower half shell (10) of the heat exchanger, and completing the process of integrally welding the lower half shell (10) of the heat exchanger and the upper half shell (9) of the heat exchanger with a coaxial shell;
the second step is that: the inner shaft (13) is pulled out, the inner magnetic rotor (14) is sleeved and then inserted into the inner shaft (13) to the upper half shell (9) of the heat exchanger, and then the positioning welding process of the inner impeller (11) and the inner shaft (13) is completed in the lower half shell (10) of the heat exchanger;
the third step: sleeving an outer magnetic rotor (8) on the inner wall of the outer impeller (7), then limiting and sleeving the outer impeller (7) with the outer magnetic rotor (8) with the upper half shell (9) of the heat exchanger, and then completing axial sliding limiting of the outer impeller (7) by adopting an outer magnetic rotor limiting cover (6);
the fourth step: the rear gland (5) is connected and fixed in a sealing cover mode at the tail end of the upper half shell (9) of the heat exchanger through bolt fastening or welding, and the front gland (12) is connected and fixed in a sealing cover mode at the front end of the lower half shell (10) of the heat exchanger through bolt fastening or welding;
the fifth step: a plurality of radiating fins (3) which are attached to and sleeved with a cooling water pipe (4) in a heat conduction type are assembled at two side ends of a lower half shell (10) of the heat exchanger, and a plurality of radiating fin pipes (15) are inserted and embedded between two adjacent radiating fins (3) to fix and increase the radiating effect.
9. A method for manufacturing a permanent magnet heat exchanger beneficial to improving heat exchange coefficient according to claim 8, wherein: the outer magnetic rotor (8) is annularly spliced and distributed by adopting a plurality of outer magnetic permanent magnetic steel sheets (16), the inner magnetic rotor (14) is annularly spliced and distributed by adopting a plurality of inner magnetic permanent magnetic steel sheets (17), the splicing quantity of the inner magnetic permanent magnetic steel sheets (17) is the same as that of the outer magnetic permanent magnetic steel sheets (16), the joint of the inner magnetic permanent magnetic steel sheets (17) and the central line of the outer magnetic permanent magnetic steel sheets (16) are on the same circular central axis, the inner magnetic permanent magnetic steel sheets and the outer magnetic permanent magnetic steel sheets are all made of rare earth permanent magnetic materials, and the magnetic steels are alternately arranged along the N, S poles in the circumferential direction to form a rotating magnetic field.
10. A method for manufacturing a permanent magnet heat exchanger beneficial to improving heat exchange coefficient according to claim 8, wherein: when cooling water flows through the inner impeller (11) from the cooling water pipe (4), the inner impeller (11) rotates, the inner shaft (13) and the coaxial inner magnetic rotor (14) are driven to rotate to form a rotating magnetic field, the outer magnetic rotor (8) rotates under the action of magnetic force dragging, the outer impeller (7) drives and forces nearby fluid to be cooled to flow, turbulence is promoted to be generated after flowing through the turbulence columns, the convection effect of cold and hot fluid in a region to be cooled is forced to be enhanced, the heat dissipation effect of the radiator is greatly enhanced, and the heat exchange coefficient of the radiator is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383395.3A CN111486743A (en) | 2020-05-08 | 2020-05-08 | Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010383395.3A CN111486743A (en) | 2020-05-08 | 2020-05-08 | Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111486743A true CN111486743A (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010383395.3A Pending CN111486743A (en) | 2020-05-08 | 2020-05-08 | Permanent magnet heat exchanger beneficial to improving heat exchange coefficient and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111486743A (en) |
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2020
- 2020-05-08 CN CN202010383395.3A patent/CN111486743A/en active Pending
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