CN117040231B - Electromagnetic pump with steady flow guide plate structure - Google Patents
Electromagnetic pump with steady flow guide plate structure Download PDFInfo
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- CN117040231B CN117040231B CN202311302043.0A CN202311302043A CN117040231B CN 117040231 B CN117040231 B CN 117040231B CN 202311302043 A CN202311302043 A CN 202311302043A CN 117040231 B CN117040231 B CN 117040231B
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- outer stator
- liquid metal
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- 238000004804 winding Methods 0.000 claims abstract description 88
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 71
- 238000001816 cooling Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 65
- 238000010521 absorption reaction Methods 0.000 claims description 49
- 239000000110 cooling liquid Substances 0.000 claims description 49
- 230000000087 stabilizing effect Effects 0.000 claims description 30
- 238000001802 infusion Methods 0.000 claims description 15
- 238000010030 laminating Methods 0.000 claims description 7
- 238000003032 molecular docking Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 9
- 210000001503 joint Anatomy 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K44/00—Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa
- H02K44/02—Electrodynamic pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/44—Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to the technical field of electromagnetic pumps, and discloses an electromagnetic pump with a steady flow guide plate structure, which comprises a liquid metal flowing shell, a heat insulation annular plate fixedly sleeved on the outer surface of the liquid metal flowing shell, an outer stator winding fixedly sleeved on the outer surface of the heat insulation annular plate, a cooling and moisture-proof mechanism arranged in the liquid metal flowing shell and extending to the outer side of the outer stator winding, and a pump shell fixedly sleeved on the outer surface of the heat insulation annular plate and used for sealing the outer stator winding. According to the invention, through the matching design of the liquid metal flowing shell, the heat insulation annular plate, the outer stator winding and the cooling and moisture-proof mechanism, the cooling and heat dissipation effects of the outer stator winding and the running stability of equipment are improved, the service life of the equipment is prolonged, the using effect and durability of the equipment are improved, the probability of maintenance due to moisture of the outer stator winding is reduced, and the problems that the traditional heat exchange pipeline has poor cooling effect on the outer stator and the outer stator is demagnetized due to moisture are avoided.
Description
Technical Field
The invention belongs to the technical field of electromagnetic pumps, and particularly relates to an electromagnetic pump with a steady flow guide plate structure.
Background
The electromagnetic pump can be divided into a conduction type electromagnetic pump and an induction type electromagnetic pump, wherein the conduction type electromagnetic pump is divided into a direct current conduction pump and a single-phase alternating current conduction pump; the induction type electromagnetic pump is divided into a single-phase induction type electromagnetic pump and a three-phase induction type electromagnetic pump, wherein the three-phase induction type electromagnetic pump comprises a plane induction type electromagnetic pump, a cylindrical induction type electromagnetic pump and a spiral induction type electromagnetic pump; electromagnetic pump, in which the energized fluid in the magnetic field flows in a certain direction under the action of electromagnetic force. A device for moving fluid by generating pressure gradient by electromagnetic force of fluid under interaction of magnetic field and current in conductive fluid. Most of them are used for pumping liquid metal, so they are also called liquid metal electromagnetic pumps.
Through retrieval, chinese patent discloses a cylindrical linear induction electromagnetic pump (bulletin number: CN 116317444A) for conveying ultra-high temperature liquid metal, which mainly comprises a liquid metal inlet elbow, a bracket, a heat insulation gasket, an external stator, a coil winding, a heat insulation layer, a liquid metal outlet elbow, a positioning sleeve, a forced heat exchange pipeline, a positioning clamp ring, an internal stator, a runner, an inlet steady flow guide plate, an outlet steady flow guide plate, a bracket, a heat exchange inner pipe wall, a heat exchange outer pipe wall, a rib plate, a coil winding clamp ring, a runner pipe wall and a runner steady flow guide plate; the flow channel is horizontally and coaxially arranged with the heat insulation gasket, the heat insulation layer, the positioning sleeve and the forced heat exchange pipeline, the inner stator is positioned in the flow channel and fixed on the forced heat exchange pipeline through the positioning snap ring, the forced heat exchange pipeline is fixed on the liquid metal inlet elbow, the positioning sleeve is fixed and connected with the liquid metal outlet elbow and the forced heat exchange pipeline, the heat insulation layer is spliced and fixed on the flow channel, the coil windings and the coil winding snap ring are filled in the tooth grooves of the outer stator, the outer stator is circumferentially distributed outside the flow channel, and the support is spliced and fixed on the liquid metal inlet elbow and is fixed and supports the forced heat exchange pipeline through the bracket. The inlet steady flow guide plate and the outlet steady flow guide plate are respectively positioned in the liquid metal inlet elbow and the liquid metal outlet elbow and are respectively connected with the wall surfaces of the liquid metal inlet elbow and the liquid metal outlet elbow.
The temperature of the inner stator and the temperature of the outer stator of the electromagnetic pump can be obviously reduced through the forced heat exchange pipeline when the electromagnetic pump is used, so that the influence on the magnetism of the inner stator and the outer stator and the temperature of the coil due to overhigh temperature of a conveying medium can be reduced, the performance of the electromagnetic pump when the ultrahigh temperature medium is conveyed is greatly improved on the premise of meeting the operation reliability, the service life is prolonged, and the corresponding defects still exist in the actual use: through forcing the heat exchange pipeline only can cool down with the faying surface of runner outer wall contact's external stator and winding, when the electromagnetic pump was operated for a long time, external stator self can produce high temperature, and the heat exchange pipeline is poor to the one side cooling effect of external stator keeping away from the runner outer wall, has reduced the effect when external stator used, and the protective capability of ordinary seal shell to external stator is limited, has sealed not tight, the problem of gas leakage, when easy messenger's electromagnetic pump stopped the operation for a long time, external stator contacted with outside air for a long time and damped and produced the demagnetization, consequently need improve it.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems in the background art, the invention provides the electromagnetic pump with the steady flow guide plate structure, which has the advantages of convenience in operation, good cooling and heat dissipation effects and long service life, and improves the cooling and heat dissipation effects of the outer stator winding and the stability of equipment operation, prolongs the service life of the equipment, improves the use effect and durability of the equipment and reduces the probability of maintenance due to damp of the outer stator winding through the matching design of structures such as the liquid metal flowing shell, the heat insulation annular plate, the outer stator winding, the cooling and damp-proof mechanism and the like.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: an electromagnetic pump with a steady flow guide plate structure comprises a liquid metal flowing shell, a heat insulation annular plate fixedly sleeved on the outer surface of the liquid metal flowing shell, an outer stator winding fixedly sleeved on the outer surface of the heat insulation annular plate, a cooling and moisture-proof mechanism arranged in the liquid metal flowing shell and extending to the outer side of the outer stator winding, a pump shell fixedly sleeved on the outer surface of the heat insulation annular plate and used for sealing the outer stator winding, and an inner stator arranged in the middle of the cooling and moisture-proof mechanism; the liquid metal flow shell comprises a liquid metal flow shell, a liquid inlet pipe, a liquid outlet pipe, a liquid inlet pipe, a liquid outlet pipe and a liquid outlet pipe, wherein the liquid metal flow shell is circumferentially equidistant communicated with the left side wall of the liquid metal flow shell;
the cooling and dampproof mechanism comprises an axle center shell penetrating through the center of the liquid metal flowing shell, a group of steady flow plates fixedly installed on the outer surface of the axle center shell at equal intervals in the circumferential direction and used for enabling liquid metal to stably flow between the inner cavity of the liquid metal flowing shell and the outer side wall of the axle center shell, a cooling pipe support embedded on the surface of the outer stator winding and communicated with the two adjacent steady flow plates, a group of moisture absorption blocks arranged on the outer side of the outer stator winding and used for sealing, dampproof and dehumidifying the outer stator winding after equipment is stopped, a conveying mechanism arranged on the left side of the axle center shell and used for conveying cooling liquid to the steady flow plates and the cooling pipe support and used for cooling and radiating the outer stator winding, and a pressurizing and flow increasing mechanism arranged on the outer surface of the moisture absorption blocks and the axle center shell, wherein the pressurizing and flow increasing mechanism comprises a group of unidirectional air outlet spray heads circumferentially and equidistantly fixed on the left side of the outer surface of the axle center shell and used for spraying air in the direction of the liquid outlet pipe;
the outer surface of the inner stator is fixedly connected with the inner cavity of the axle center shell, one surface of the current stabilizing plate, which is far away from the axle center shell, penetrates through the outer surface of the heat insulation annular plate and is attached to the inner ring wall of the outer stator winding, and the moisture absorption block is driven to move when the conveying mechanism operates.
In the above technical solution, preferably, the conveying mechanism includes a gas-liquid mixing tube fixed on the left end face of the axle center housing, an electric infusion box communicated with the left end of the gas-liquid mixing tube, a split cavity formed on the left side of the axle center housing, an infusion channel circumferentially equidistantly formed in the split cavity for communicating with the cavity of the steady flow plate, and an adjustable unidirectional air inlet valve communicated with the outer surface of the gas-liquid mixing tube for inflow of external air; the inner cavity of the shunt cavity is communicated with the inner cavity of the gas-liquid mixing pipe.
In the above technical scheme, preferably, a connecting rod is fixedly installed at a center of one side of the moisture absorption block, which is close to the flow stabilizing plate, one end of the connecting rod penetrates into the inner cavity of the flow stabilizing plate, a butt joint channel communicated with the infusion channel is formed in the inner cavity of the flow stabilizing plate, a sealing ring is fixedly sleeved at one end of the connecting rod, which is close to the butt joint channel, and the outer surface of the sealing ring is movably connected with the inner cavity of the butt joint channel.
In the above technical scheme, preferably, two elastic parts are symmetrically and fixedly installed on one surface of the moisture absorption block, which is far away from the flow stabilizing plate, and the side walls of the elastic parts are fixedly connected with the inner cavity of the pump shell.
In the above technical scheme, preferably, two laminating grooves are symmetrically formed on one surface of the moisture absorption block, which is close to the outer stator winding, and the shape of the outer stator winding is adapted to the shape formed by the inner cavities of the adjacent two laminating grooves.
In the above technical scheme, preferably, the pressurizing and flow increasing mechanism further comprises a mounting cavity formed in the moisture absorption block, a gas-liquid separator fixed on the left side of the inner cavity of the mounting cavity and communicated with the outlet port of the cooling pipe rack, an air pump communicated with the outlet port of the gas-liquid separator, a moisture absorption channel formed on the right side of the inner cavity of the mounting cavity and used for further dehumidifying air exhausted by the air pump, and a backflow hose used for communicating the outlet port of the gas-liquid separator with the electric transfusion box.
In the above technical scheme, preferably, the right end of the axle center shell is provided with an air collecting cavity, an inner cavity of the air collecting cavity is communicated with the unidirectional air outlet nozzle, and the moisture absorption channel is communicated with the air collecting cavity through an air hose.
In the above technical scheme, preferably, the number of the current stabilizing plates is two, the number of the magnets, the liquid outlet pipe and the unidirectional air outlet nozzle arranged on the moisture absorption block and the outer stator winding are consistent with the number of the current stabilizing plates, the moisture absorption block is positioned between two adjacent magnets arranged on the outer stator winding, and the positions of the liquid outlet pipe and the unidirectional air outlet nozzle are positioned between two adjacent current stabilizing plates.
(III) beneficial effects
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched design of structures such as the liquid metal flowing shell, the heat insulation annular plate, the outer stator winding, the cooling dampproof mechanism and the like, the cooling liquid and the air are conveyed to the cooling pipe frame through the conveying mechanism, one surface of the outer stator winding, which is close to the liquid metal flowing shell, can be cooled when the cooling liquid in the cooling pipe frame flows, one side of the outer stator winding, which is far away from the liquid metal flowing shell, can be cooled, the cooling effect and the equipment operation stability are improved, the service life of the equipment is prolonged, and when the conveying mechanism operates and drives the cooling liquid to flow, the cooling liquid can push the moisture absorption block to be separated from the surface of the outer stator winding, the cooling effect of the outer stator winding is improved, when the conveying mechanism stops driving the cooling liquid to flow, the moisture absorption block can be automatically driven to move to be attached and sealed to the outer stator winding under the pushing of elastic force of two elastic pieces, the cooling effect and the moisture absorption property of the equipment are improved, the probability of the outer stator winding in use is reduced, the cooling effect of the side, which is far away from the outer wall, of a traditional heat exchange pipeline in the prior art is poor, the cooling effect of the outer stator is reduced, the problem that the outer stator is easy to be used when the outer stator is in use, and the sealing effect is sealed for sealing the outer stator is long, and the outer stator is difficult to be in contact with the outer air, and has long time when the electromagnetic sealing time is prevented from the outer sealing time is caused.
2. According to the invention, through the design of the pressurizing and flow increasing mechanism, the cooling liquid mixed with air flowing out of the cooling pipe support enters the gas-liquid separator, the cooling liquid is separated into the cooling liquid and the air through the gas-liquid separator, the cooling liquid flows into the electric infusion box through the backflow hose to form a complete circulation flow path, the separated air is conveyed into the moisture absorption channel through the air pump, the air in the moisture absorption channel can be further dehumidified, the air in the moisture absorption channel enters the air collection cavity through the air conveying hose, and then the air in the air collection cavity is shunted to the unidirectional air outlet nozzle to spray and push the liquid metal to flow, so that the flow speed of the liquid metal can be effectively improved, and the problem that the upper limit of the flow speed of the liquid metal conveyed by the traditional electromagnetic pump is low is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the liquid metal flow shell, the heat insulation annular plate, the outer stator winding, the cooling and moisture-proof mechanism and the liquid inlet pipe of the invention;
FIG. 3 is a schematic view of the structure of the liquid metal flow shell, the heat insulation annular plate, the outer stator winding, the cooling and moisture-proof mechanism and the liquid outlet pipe of the invention;
FIG. 4 is a schematic view of another state of the liquid metal flow shell, the heat insulation annular plate, the outer stator winding, the cooling and moisture-proof mechanism and the liquid inlet pipe of the present invention;
FIG. 5 is an exploded schematic view of the liquid metal flow shell, insulating annular plate, outer stator windings, cooling and moisture resistant mechanism, pump housing of the present invention;
FIG. 6 is a schematic cross-sectional view of the present invention;
FIG. 7 is an enlarged schematic view of portion A of FIG. 6;
FIG. 8 is a schematic diagram of the right side view of the axial shell, stabilizer, outer stator windings and unidirectional air outlet nozzle of the present invention;
FIG. 9 is a schematic diagram of a magnet and cooling tube rack for an outer stator winding of the present invention;
fig. 10 is a schematic structural view of the absorbent block and the bonding groove according to the present invention.
In the figure: 1. a liquid metal flow shell; 2. a heat insulating annular plate; 3. an outer stator winding; 4. a cooling and moistureproof mechanism; 41. an axle housing; 42. a steady flow plate; 43. a cooling pipe support; 44. a moisture absorption block; 45. a conveying mechanism; 451. a gas-liquid mixing pipe; 452. an electric transfusion box; 453. a shunt cavity; 454. an infusion channel; 455. a one-way air inlet valve; 46. a pressurizing and flow increasing mechanism; 461. a unidirectional air outlet nozzle; 462. a mounting cavity; 463. a gas-liquid separator; 464. an air pump; 465. a moisture absorption channel; 466. a return hose; 5. a pump housing; 6. an inner stator; 7. a liquid inlet pipe; 8. a liquid outlet pipe; 9. a connecting rod; 10. a docking channel; 11. a seal ring; 12. an elastic member; 13. a bonding groove; 14. an air collection cavity; 15. and a gas transmission hose.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 10, the invention provides an electromagnetic pump with a steady flow guide plate structure, which comprises a liquid metal flowing shell 1, a heat insulation annular plate 2 fixedly sleeved on the outer surface of the liquid metal flowing shell 1, an outer stator winding 3 fixedly sleeved on the outer surface of the heat insulation annular plate 2, a cooling and moisture-proof mechanism 4 arranged in the liquid metal flowing shell 1 and extending to the outer side of the outer stator winding 3, a pump shell 5 fixedly sleeved on the outer surface of the heat insulation annular plate 2 and used for sealing the outer stator winding 3, and an inner stator 6 arranged in the middle of the cooling and moisture-proof mechanism 4; wherein, the left side wall of the liquid metal flowing shell 1 is circumferentially and equidistantly communicated with a group of liquid inlet pipes 7, and the right side wall of the liquid metal flowing shell 1 is circumferentially and equidistantly communicated with a group of liquid outlet pipes 8; wherein the outer stator winding 3 consists of a coil and a group of magnets fixed on the outer side of the coil;
the cooling and moisture-proof mechanism 4 comprises an axle center shell 41 penetrating through the center of the liquid metal flowing shell 1, a group of flow stabilizing plates 42 circumferentially and equidistantly fixedly arranged on the outer surface of the axle center shell 41 and used for stably flowing liquid metal between the inner cavity of the liquid metal flowing shell 1 and the outer side wall of the axle center shell 41, a cooling tube support 43 embedded on the surface of the outer stator winding 3 and communicated with the two adjacent flow stabilizing plates 42, a group of moisture-absorbing blocks 44 arranged on the outer side of the outer stator winding 3 and used for sealing, moisture-proof and dehumidifying the outer stator winding 3 after equipment shutdown, a conveying mechanism 45 arranged on the left side of the axle center shell 41 and used for conveying cooling liquid to the outer stator winding 3 in the flow stabilizing plates 42 and the cooling tube support 43, and a pressurizing and flow-increasing mechanism 46 arranged on the outer surfaces of the moisture-absorbing blocks 44 and the axle center shell 41, wherein the pressurizing and flow-increasing mechanism 46 comprises a group of unidirectional air outlet nozzles 461 circumferentially and equidistantly fixed on the left side of the outer surface of the axle center shell 41 and used for jetting air in the direction of the liquid outlet tube 8;
wherein, the outer surface of the inner stator 6 is fixedly connected with the inner cavity of the axle center shell 41, one surface of the steady flow plate 42, which is far away from the axle center shell 41, penetrates through the outer surface of the heat insulation annular plate 2 and is attached to the inner ring wall of the outer stator winding 3, and the moisture absorption block 44 is driven to move when the conveying mechanism 45 operates.
When in use, the space between the inner cavity of the liquid metal flowing shell 1 and the outer side wall of the axle center shell 41 is equidistantly separated through the flow stabilizing plate 42, liquid metal can flow stably under the action of the flow stabilizing plate 42, vortex generation vibration damage equipment is avoided, cooling liquid and air are conveyed to the cooling pipe rack 43 through the conveying mechanism 45 by the flow stabilizing plate 42, one side, close to the liquid metal flowing shell 1, of the outer stator winding 3 can be cooled when the cooling liquid in the flow stabilizing plate 42 flows, one side, far away from the liquid metal flowing shell 1, of the outer stator winding 3 can be cooled when the cooling liquid in the cooling pipe rack 43 flows, the cooling effect and the running stability of the equipment are improved, and the service life of the equipment is prolonged.
It should be noted that, when the conveying mechanism 45 operates to drive the cooling liquid to flow, the moisture absorption block 44 and the surface of the outer stator winding 3 can be pushed to separate, so that the heat dissipation effect of the outer stator winding 3 is increased, when the conveying mechanism 45 stops driving the cooling liquid to flow, the moisture absorption block 44 and the outer stator winding 3 are attached to seal the cooling liquid, so that when the electromagnetic pump sealing shell is not tightly sealed, air leakage occurs, the moisture absorption block 44 can isolate the outer stator winding 3 from the outside air, moisture in the process of humidifying the outer stator winding 3 can be absorbed, the outer stator winding 3 is prevented from being demagnetized due to long-time contact with the moisture in the outside air, the using effect and durability of equipment are improved, and the probability of humidifying maintenance of the outer stator winding 3 is reduced.
It is worth noting that, when the conveying mechanism 45 conveys the cooling liquid to cool and dissipate heat of the outer stator winding 3, the pressurizing and flow increasing mechanism 46 can separate gas from liquid of flowing cooling liquid, so that the cooling liquid can circularly flow, meanwhile, the separated gas can be conveyed to the unidirectional air outlet nozzle 461 to be sprayed into the liquid metal flowing shell 1 to push the liquid metal to flow out, the flowing speed of the liquid metal can be effectively improved, and the problem that the upper limit of the flowing speed of the liquid metal conveyed by the traditional electromagnetic pump is low is avoided.
As shown in fig. 1, 2, 3, 4, 6 and 7, the conveying mechanism 45 comprises a gas-liquid mixing pipe 451 fixed on the left end face of the axle center shell 41, an electric transfusion box 452 communicated with the left end of the gas-liquid mixing pipe 451, a diversion cavity 453 arranged on the left side of the axle center shell 41, a transfusion channel 454 circumferentially and equidistantly arranged in the diversion cavity 453 and used for communicating with the inner cavity of the steady flow plate 42, and an adjustable one-way air inlet valve 455 communicated with the outer surface of the gas-liquid mixing pipe 451 and used for inflow of external air; wherein the inner cavity of the diverting cavity 453 is communicated with the inner cavity of the gas-liquid mixing tube 451.
When the cooling liquid is used, the cooling liquid is input into the gas-liquid mixing pipe 451 through the electric infusion box 452, negative pressure generated when the cooling liquid flows into the flow distribution cavity 453 through the gas-liquid mixing pipe 451, air in the external environment can be sucked into the gas-liquid mixing pipe 451 through the one-way air inlet valve 455 to be mixed with the cooling liquid, then the cooling liquid after air mixing flows into the flow stabilizing plate 42 through the infusion channel 454 to absorb heat and cool the external stator winding 3, and the external air is continuously mixed into the circulating cooling liquid, so that the cooling liquid after heat absorption can be quickly cooled, and the heat absorption effect of the cooling liquid on the external stator winding 3 can be improved.
As shown in fig. 6 and 7, a connecting rod 9 is fixedly installed at the center of one surface of the moisture absorption block 44, which is close to the flow stabilizing plate 42, one end of the connecting rod 9 penetrates into the inner cavity of the flow stabilizing plate 42, a butt joint channel 10 communicated with the infusion channel 454 is formed in the inner cavity of the flow stabilizing plate 42, a sealing ring 11 is fixedly sleeved at one end, close to the butt joint channel 10, of the connecting rod 9, and the outer surface of the sealing ring 11 is movably connected with the inner cavity of the butt joint channel 10.
When the cooling liquid flows into the butt joint channel 10 through the infusion channel 454 in use, the cooling liquid can push the sealing ring 11 to drive the connecting rod 9 to move, so that the connecting rod 9 can drive the moisture absorption block 44 to move and separate from the outer stator winding 3, and the heat dissipation space and effect of the outer stator winding 3 are further increased.
As shown in fig. 2, 3, 4, 5 and 6, two elastic members 12 are symmetrically and fixedly installed on the side of the moisture absorption block 44 away from the stabilizer plate 42, and the side walls of the elastic members 12 are fixedly connected with the inner cavity of the pump casing 5.
When the cooling liquid stops flowing in use, under the pushing of the elastic force of the two elastic pieces 12, the moisture absorption block 44 can be automatically driven to move to attach and seal the outer stator winding 3, and meanwhile, through the action of the elastic pieces 12, vibration during the operation of the equipment can be reduced, and the damping and noise reduction effects are achieved.
As shown in fig. 10, two fitting grooves 13 are symmetrically formed on one surface of the moisture absorption block 44 close to the outer stator winding 3, and the shape of the outer stator winding 3 is adapted to the shape formed by the inner cavities of the two adjacent fitting grooves 13.
When the two adjacent moisture absorption blocks 44 are used for laminating and sealing the outer stator winding 3, the two adjacent laminating grooves 13 on the two moisture absorption blocks 44 can form a laminating and sealing space which is matched with the shape of the magnet on the outer stator winding 3.
As shown in fig. 6, the pressurizing and flow-increasing mechanism 46 further includes a mounting cavity 462 provided on the moisture absorption block 44, a gas-liquid separator 463 fixed on the left side of the inner cavity of the mounting cavity 462 and communicated with the liquid outlet port of the cooling tube rack 43, an air pump 464 communicated with the air outlet port of the gas-liquid separator 463, a moisture absorption channel 465 provided on the right side of the inner cavity of the mounting cavity 462 and used for further dehumidifying the air discharged from the air pump 464, and a backflow hose 466 used for communicating the liquid outlet port of the gas-liquid separator 463 with the electric transfusion box 452.
When in use, the cooling liquid mixed with air flowing out of the cooling pipe rack 43 enters the gas-liquid separator 463, the cooling liquid is separated into cooling liquid and air through the gas-liquid separator 463, the cooling liquid flows into the electric infusion box 452 through the reflux hose 466 to form a complete circulation flow path, and the separated air is conveyed into the moisture absorption channel 465 through the air pump 464, so that the air can be further dehumidified, and the dryness of the air is improved.
As shown in fig. 6 and 8, the right end of the axial core case 41 is provided with an air collecting chamber 14, the inner cavity of the air collecting chamber 14 is communicated with the unidirectional air outlet nozzle 461, and the moisture absorption passage 465 is communicated with the air collecting chamber 14 through the air hose 15.
In use, air in the moisture absorption channel 465 enters the air collection chamber 14 through the air delivery hose 15, and then the air in the air collection chamber 14 is split to the unidirectional air outlet nozzle 461 for ejection.
As shown in fig. 2, 3, 4, 5 and 8, the number of the current stabilizing plates 42 is two, the number of the moisture absorbing blocks 44, the magnets arranged on the outer stator winding 3, the liquid outlet pipe 8 and the unidirectional air outlet nozzles 461 are all identical to the number of the current stabilizing plates 42, the moisture absorbing blocks 44 are positioned between two adjacent magnets arranged on the outer stator winding 3, and the positions of the liquid outlet pipe 8 and the unidirectional air outlet nozzles 461 are all positioned between two adjacent current stabilizing plates 42; the stability of the operation of the equipment can be improved.
The working principle and the using flow of the invention are as follows:
when the liquid metal flow shell is used, the magnetic effect generated under the electrifying action of the outer stator winding 3 and the inner stator 6 can drive the liquid metal in the liquid metal flow shell 1 to flow in from the liquid inlet pipe 7, and after being separated by the current stabilizer 42, the liquid metal stably flows and is discharged from the liquid outlet pipe 8; when liquid metal is conveyed, the electric infusion box 452 is started to input cooling liquid into the gas-liquid mixing pipe 451, negative pressure is generated when the cooling liquid flows into the flow-dividing cavity 453 from the gas-liquid mixing pipe 451, air in the external environment can be sucked into the gas-liquid mixing pipe 451 through the one-way air inlet valve 455 and mixed with the cooling liquid, then the cooling liquid after air mixing flows into the butt joint channel 10 through the infusion channel 454, the cooling liquid can push the sealing ring 11 to drive the connecting rod 9 to move, so that the connecting rod 9 can drive the moisture absorption block 44 to move and separate from the outer stator winding 3, the heat dissipation space and effect of the outer stator winding 3 are further increased, the cooling liquid and the air are conveyed to the cooling pipe support 43 through the flow-stabilizing plate 42, the cooling liquid in the flow-stabilizing plate 42 can cool one side of the outer stator winding 3 close to the liquid metal flow shell 1, the cooling liquid in the cooling pipe support 43 can cool one side of the outer stator winding 3 far away from the liquid metal flow shell 1, the cooling liquid mixed with the air flows into the gas-liquid separator 463, the cooling liquid is separated into the cooling liquid and air through the gas-liquid separator 463, the moisture absorption block 44 can be separated into the cooling liquid and the air flow channel 466 through the gas-liquid separator 463, the moisture absorption pipe support is conveyed from the air pump 465 to the air pump 14 through the air circulation channel, and the air-collecting cavity 14 is further separated from the air flow-circulating pipe 465, and the air channel is blown out from the air pump 14, and the air is conveyed into the air cavity through the air channel, and the air channel is further separated from the air circulation channel; when the conveying mechanism 45 stops driving the cooling liquid to flow, the moisture absorption block 44 can be automatically driven to move under the pushing of the elastic force of the two elastic pieces 12, so that the outer stator winding 3 is bonded and sealed, and the moisture absorption and moisture prevention function are achieved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The electromagnetic pump with the steady flow guide plate structure is characterized by comprising a liquid metal flowing shell (1), a heat insulation annular plate (2) fixedly sleeved on the outer surface of the liquid metal flowing shell (1), an outer stator winding (3) fixedly sleeved on the outer surface of the heat insulation annular plate (2), a cooling and moisture-proof mechanism (4) arranged in the liquid metal flowing shell (1) and extending to the outer side of the outer stator winding (3), a pump shell (5) fixedly sleeved on the outer surface of the heat insulation annular plate (2) and used for sealing the outer stator winding (3) and an inner stator (6) arranged in the middle of the cooling and moisture-proof mechanism (4); the liquid metal flow shell comprises a liquid metal flow shell body, wherein a group of liquid inlet pipes (7) are circumferentially and equidistantly communicated with the left side wall of the liquid metal flow shell body (1), and a group of liquid outlet pipes (8) are circumferentially and equidistantly communicated with the right side wall of the liquid metal flow shell body (1);
the cooling and moistureproof mechanism (4) comprises an axle center shell (41) penetrating through the center of the liquid metal flowing shell (1), a group of flow stabilizing plates (42) fixedly installed on the outer surface of the axle center shell (41) at equal intervals in the circumferential direction and used for stably flowing liquid metal between the inner cavity of the liquid metal flowing shell (1) and the outer side wall of the axle center shell (41), a cooling pipe frame (43) embedded on the surface of the outer stator winding (3) and communicated with the adjacent two flow stabilizing plates (42), a group of moisture absorbing blocks (44) arranged on the outer side of the outer stator winding (3) and used for sealing, moistureproof and dehumidifying the outer stator winding (3) after equipment is stopped, a conveying mechanism (45) arranged on the left side of the axle center shell (41) and used for conveying cooling liquid to the flow stabilizing plates (42) and the cooling pipe frame (43) and a pressurizing and flow increasing mechanism (46) arranged on the outer surface of the outer stator winding (41), and the flow increasing mechanism (46) comprises a group of air outlet pipe (461) fixed on the outer side of the axle center shell (41) at equal intervals in the circumferential direction;
the outer surface of the inner stator (6) is fixedly connected with the inner cavity of the axle center shell (41), one surface of the current stabilizing plate (42) away from the axle center shell (41) penetrates through the outer surface of the heat insulation annular plate (2) and is attached to the inner ring wall of the outer stator winding (3), and the moisture absorption block (44) is driven to move when the conveying mechanism (45) operates.
2. An electromagnetic pump having a steady flow guide structure as claimed in claim 1, wherein: the conveying mechanism (45) comprises a gas-liquid mixing pipe (451) fixed on the left end face of the axle center shell (41), an electric infusion box (452) communicated with the left end of the gas-liquid mixing pipe (451), a split cavity (453) arranged on the left side of the axle center shell (41), an infusion channel (454) circumferentially equidistantly arranged in the cavity of the split cavity (453) and used for communicating the cavity of the flow stabilizing plate (42), and an adjustable one-way air inlet valve (455) communicated with the outer surface of the gas-liquid mixing pipe (451) and used for inflow of external air; wherein the inner cavity of the diversion cavity (453) is communicated with the inner cavity of the gas-liquid mixing pipe (451).
3. An electromagnetic pump having a steady flow guide structure as claimed in claim 2, wherein: the moisture absorption piece (44) is close to one side center department fixed mounting of stationary flow board (42) has connecting rod (9), the one end of connecting rod (9) runs through to in the inner chamber of stationary flow board (42), just docking channel (10) with infusion passageway (454) intercommunication have been seted up to stationary flow board (42) inner chamber, connecting rod (9) are close to docking channel (10) one end fixed cover is equipped with sealing washer (11), the surface of sealing washer (11) with docking channel (10) inner chamber swing joint.
4. An electromagnetic pump having a steady flow guide structure as claimed in claim 3, wherein: two elastic pieces (12) are symmetrically and fixedly arranged on one surface of the moisture absorption block (44) away from the steady flow plate (42), and the side walls of the elastic pieces (12) are fixedly connected with the inner cavity of the pump shell (5).
5. An electromagnetic pump having a steady flow guide structure as claimed in claim 1, wherein: two laminating grooves (13) are symmetrically formed in one surface, close to the outer stator winding (3), of the moisture absorption block (44), and the shape of the outer stator winding (3) is matched with the shape formed by the inner cavities of the adjacent two laminating grooves (13).
6. An electromagnetic pump having a steady flow guide structure as claimed in claim 2, wherein: the pressurizing and flow increasing mechanism (46) further comprises a mounting cavity (462) formed in the moisture absorbing block (44), a gas-liquid separator (463) fixed on the left side of the inner cavity of the mounting cavity (462) and communicated with the liquid outlet port of the cooling pipe rack (43), an air pump (464) communicated with the gas outlet port of the gas-liquid separator (463), a moisture absorbing channel (465) formed on the right side of the inner cavity of the mounting cavity (462) and used for further dehumidifying air exhausted by the air pump (464), and a backflow hose (466) used for enabling the liquid outlet port of the gas-liquid separator (463) to be communicated with the electric transfusion box (452).
7. The electromagnetic pump with the steady flow guide structure as claimed in claim 6, wherein: the right end of the axle center shell (41) is provided with an air collection cavity (14), the inner cavity of the air collection cavity (14) is communicated with the unidirectional air outlet nozzle (461), and the moisture absorption channel (465) is communicated with the air collection cavity (14) through an air hose (15).
8. An electromagnetic pump having a steady flow guide structure as claimed in claim 1, wherein: the number of the current stabilizing plates (42) is even, the number of the magnets, the liquid outlet pipes (8) and the unidirectional air outlet nozzles (461) arranged on the moisture absorption blocks (44) and the outer stator windings (3) are consistent with the number of the current stabilizing plates (42), the moisture absorption blocks (44) are positioned between two adjacent magnets arranged on the outer stator windings (3), and the positions of the liquid outlet pipes (8) and the unidirectional air outlet nozzles (461) are positioned between two adjacent current stabilizing plates (42).
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| CN202311302043.0A CN117040231B (en) | 2023-10-10 | 2023-10-10 | Electromagnetic pump with steady flow guide plate structure |
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| CN202311302043.0A CN117040231B (en) | 2023-10-10 | 2023-10-10 | Electromagnetic pump with steady flow guide plate structure |
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| CN117040231B true CN117040231B (en) | 2023-12-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195231A (en) * | 1992-02-18 | 1993-03-23 | General Electric Company | Method for producing inner stators for electromagnetic pumps |
| CN108199533A (en) * | 2017-12-21 | 2018-06-22 | 云南靖创液态金属热控技术研发有限公司 | A kind of electro spindle liquid metal temperature control system |
| CN111987861A (en) * | 2020-08-22 | 2020-11-24 | 方彭 | Motor with stator function of dispelling heat fast |
| CN112803712A (en) * | 2021-01-29 | 2021-05-14 | 中国原子能科学研究院 | Liquid metal electromagnetic pump |
| CN115276367A (en) * | 2022-08-12 | 2022-11-01 | 江苏大学 | Cylindrical linear induction electromagnetic pump for conveying ultra-high temperature liquid metal |
-
2023
- 2023-10-10 CN CN202311302043.0A patent/CN117040231B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195231A (en) * | 1992-02-18 | 1993-03-23 | General Electric Company | Method for producing inner stators for electromagnetic pumps |
| CN108199533A (en) * | 2017-12-21 | 2018-06-22 | 云南靖创液态金属热控技术研发有限公司 | A kind of electro spindle liquid metal temperature control system |
| CN111987861A (en) * | 2020-08-22 | 2020-11-24 | 方彭 | Motor with stator function of dispelling heat fast |
| CN112803712A (en) * | 2021-01-29 | 2021-05-14 | 中国原子能科学研究院 | Liquid metal electromagnetic pump |
| CN115276367A (en) * | 2022-08-12 | 2022-11-01 | 江苏大学 | Cylindrical linear induction electromagnetic pump for conveying ultra-high temperature liquid metal |
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| CN117040231A (en) | 2023-11-10 |
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