CN114607635A - Magnetic suspension fan - Google Patents
Magnetic suspension fan Download PDFInfo
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- CN114607635A CN114607635A CN202210326747.0A CN202210326747A CN114607635A CN 114607635 A CN114607635 A CN 114607635A CN 202210326747 A CN202210326747 A CN 202210326747A CN 114607635 A CN114607635 A CN 114607635A
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- magnetic suspension
- suspension fan
- fixedly connected
- fixed mounting
- fan
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/083—Sealings especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a magnetic suspension fan, which comprises a magnetic suspension fan shell, wherein the magnetic suspension fan shell is rectangular, an air inlet sealing seat and an air outlet sealing seat are arranged on the upper surface of the magnetic suspension fan shell, a first filter screen frame is symmetrically arranged on the front surface of the magnetic suspension fan shell, the outer surface of the right side of the magnetic suspension fan shell is fixedly connected with a side plate through fastening screws, and the rear surface of the magnetic suspension fan shell is hinged with a back cover plate. This magnetic suspension fan arranges the sensor through the circumferencial direction and detects axial position, avoids at rotor tail end installation eddy current sensor, prevents that high temperature from causing the rotor to take place thermal expansion, arouses and detects positional deviation, influences the complete machine reliability, and magnetic suspension bearing and the whole embedment packaging technology of sensor prevent that grey layer or corrosive gas from causing destruction to bearing or sensor coil, greatly improve the reliability of magnetic suspension bearing and sensor.
Description
Technical Field
The invention relates to the field of magnetic suspension fans, in particular to a magnetic suspension fan.
Background
The magnetic suspension blower is a mechanical device for conveying gas, and adopts core technologies such as a magnetic suspension bearing, a three-dimensional flow impeller, a high-speed permanent magnet synchronous motor, a high-efficiency frequency converter speed regulation, intelligent monitoring control and the like, when the magnetic suspension blower is started, the magnetic suspension blower is suspended firstly and then rotates, no friction and no lubrication are needed, the three-dimensional flow impeller and a rotor are directly connected, and zero transmission loss is realized. The magnetic suspension air blower is a high-tech, green, energy-saving and environment-friendly product, adopts a non-contact and non-mechanical friction magnetic suspension bearing and a high-speed and high-power permanent magnet synchronous motor to directly drive a high-efficiency fluid impeller, overcomes the defects of the traditional air blower and the air suspension air blower, has the advantages of high efficiency, low noise, less faults, no need of a lubricating system and the like, and can still safely stop a rotor rotating at a high speed by depending on a protection bearing in the system even if the magnetic suspension bearing breaks down, so that the equipment cannot be seriously damaged.
However, in the existing magnetic suspension air blower, in the long-term working process, the rotor is subjected to thermal expansion, the detection position deviation is caused, the reliability of the whole machine is influenced, the impeller can thermally expand during the working of the air blower, the risk of collision between the impeller and the volute exists, meanwhile, other domestic similar products are suspended to generate large electromagnetic noise, the use convenience is poor, and when the air blower is used, a certain protection device does not exist, so that the air blower is difficult to have a good protection internal structure, and is inconvenient to dissipate heat when internal parts work, and the work of the internal device is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the existing magnetic suspension fan has the defects that the rotor is subjected to thermal expansion in the long-time working process, the detection position deviation is caused, the reliability of the whole machine is influenced, and simultaneously, larger noise is generated.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a magnetic suspension fan, which comprises a magnetic suspension fan shell, wherein the magnetic suspension fan shell is rectangular, the upper surface of the magnetic suspension fan shell is provided with an air inlet sealing seat and an air outlet sealing seat, the front surface of the magnetic suspension fan shell is symmetrically provided with a first filter screen frame, the outer surface of the right side of the magnetic suspension fan shell is fixedly connected with a side plate through a fastening screw, the rear surface of the magnetic suspension fan shell is hinged with a back cover plate, the back cover plate is fixedly connected with the rear surface of the magnetic suspension fan shell through the fastening screw, the inner surface of the back cover plate close to the bottom is fixedly connected with a second filter screen frame, and the inner surface of the back cover plate close to the top is fixedly connected with a control assembly;
the magnetic suspension fan shell body inner surface symmetry vertical fixedly connected with first support vertical frame and second support vertical frame, fixedly connected with support crossbearer between first support vertical frame and the second support vertical frame, fixed surface is connected with the magnetic suspension fan body on the support crossbearer, magnetic suspension fan body input end fixedly connected with admission line, fixedly connected with outlet duct is exported to the magnetic suspension fan body, the terminal surface fixedly connected with filter box of outlet duct.
In a preferred technical scheme of the invention, the first filter screen frames are embedded in the outer shell of the magnetic suspension fan, the first filter screen frames are fixedly connected with the outer shell of the magnetic suspension fan through fastening screws, the two first filter screen frames are vertically arranged, and the first filter screen frames are fixed with the device, so that the device is prevented from dust.
In a preferred technical scheme of the invention, the outer surface of the side plate is provided with a rectangular groove, the inner surface of the rectangular groove is fixedly connected with a power supply assembly, the second filter screen frame and the back cover plate are arranged in an embedded manner, the second filter screen frame and the back cover plate are fixedly connected through fastening screws, the second filter screen frame is matched with the first filter screen frame to form communication inside the device, so that the heat dissipation effect inside the device is ensured, the side plate is arranged, the disassembly of the side plate is convenient, the maintenance inside the device is maintained, the maintenance convenience is improved, the power supply assembly is arranged to supply power to the device, and the basic operation of the device is ensured.
In a preferred technical scheme of the invention, the control assembly penetrates through the back cover plate, and the control assembly and the back cover plate are arranged in an embedded manner, so that the control assembly can debug the operation of the device, and the stable operation of the device is ensured.
In a preferred technical scheme of the invention, the support cross frame is vertically arranged with the first support vertical frame and the second support vertical frame, the support cross frame is positioned on the inner surface of the outer shell of the magnetic suspension fan and near the bottom, the first support vertical frame and the second support vertical frame are fixedly connected with the filter screen plate in a penetrating way, and the arrangement of the first support vertical frame, the support cross frame and the second support vertical frame has the effect of facilitating the installation of the device and effectively dividing the device.
In a preferred technical scheme of the invention, the air inlet pipeline is matched with the air inlet sealing seat in position and is fixedly connected with the air inlet sealing seat through a plurality of fastening bolts, a gasket is arranged between the air inlet pipeline and the air inlet sealing seat, a signal component is fixedly connected at the center of the bottom in the outer shell of the magnetic suspension fan and is used for transmitting data in the sensor last time and is received by a terminal, so that the monitoring and management of the device are completed, an eddy current sensor is arranged in the magnetic suspension fan body and is positioned at the axial position detected by the eddy current sensor arranged at the tail end, the use is convenient, the end surface of the filter screen box is matched with the air outlet sealing seat in position, the filter screen box is fixedly connected with the air outlet sealing seat through a plurality of fastening bolts, a gasket is arranged between the filter screen box and the air outlet sealing seat, and the end surface of the filter screen box is matched with the air outlet sealing seat in position, and the filter screen box is fixedly connected with the air outlet sealing seat through a plurality of fastening bolts, and a gasket is also arranged between the filter screen box and the air outlet sealing seat.
In a preferred technical scheme of the invention, a water tank is fixedly arranged at the top of the outer shell of the magnetic suspension fan close to the right side, a water pump is fixedly arranged on the rear surface of the water tank through an output pipe, a circulation pipeline is fixedly arranged at the output end of the water pump, hollow blocks are fixedly arranged on the outer surfaces of a plurality of circulation pipelines, turbines are arranged on the rear surfaces of the inner walls of the hollow blocks through bearings, movable rods are fixedly arranged on the front surfaces of the turbines, fan blades are fixedly arranged on the front surfaces of the movable rods, the other end of the circulation pipeline is fixedly arranged on one side of the outer surface of the water tank, the circulation pipeline is fixedly arranged on the rear surface of the inner wall of the outer shell of the magnetic suspension fan, certain moisture is added into the water tank, an external power supply of the water pump is turned on at the moment, and the water in the water tank is sent into the inside of the circulation pipeline through the water pump, thereby get into a plurality of hollow blocks for cold water drives a plurality of turbines and rotates in hollow block's inside, makes to drive the movable rod and rotate with the flabellum, reaches and dispels the heat to magnetic suspension fan shell body internals, and the runner pipe is connected with the water tank, realizes the hydrologic cycle, thereby improves the radiating effect, makes things convenient for the staff to do work.
In a preferred technical scheme of the invention, two sides of the outer shell of the magnetic suspension fan, which are close to the front surface and the rear surface, are fixedly provided with fixed vertical plates, the fixed vertical plates are evenly divided into two groups, one sides of the two groups of fixed vertical plates, which are opposite to each other, are fixedly provided with fixed rods, the centers of the outer surfaces of the two fixed rods are fixedly provided with supporting plates, and the supporting plates improve the buffer capacity of two protection plates, so that the internal device of the outer shell of the magnetic suspension fan is protected.
In a preferred technical scheme of the invention, two sides of the outer surfaces of the two support plates are fixedly provided with return springs, the other ends of the return springs are fixedly provided with second connecting plates, one side of the outer surface of the second connecting plates is movably connected with a rotating rod, the rotating rods are divided into two groups, the other ends of the two groups of rotating rods are movably connected with first connecting plates, one side of the first connecting plates opposite to each other is fixedly provided with a protection plate, firstly, the two protection plates are extruded, the two protection plates extrude the rotating rods through the first connecting plates to drive the two protection plates to slide on the outer surfaces of the fixing rods, thereby make a plurality of reset spring obtain tensile, through the setting of two backup pads to thereby the buffer capacity of two guard plates is improved to a plurality of backup pads of pulling, thereby reaches protection magnetic suspension fan shell body internal arrangement.
The invention has the beneficial effects that:
1. according to the magnetic suspension fan, the inductive sensor is arranged at the position of the magnetic suspension fan body, the sensor is arranged in the circumferential direction to detect the axial position, so that the eddy current sensor is prevented from being arranged at the tail end of the rotor, and the rotor is prevented from thermal expansion caused by high temperature to cause detection position deviation and influence the reliability of the whole machine;
2. through the arrangement of the magnetic suspension fan body and the integral encapsulation and encapsulation process of the magnetic suspension bearing and the sensor, the bearing or the sensor coil is prevented from being damaged by an ash layer or corrosive gas, and the reliability of the magnetic suspension bearing and the sensor is greatly improved;
3. through the arrangement of the magnetic suspension fan body, the detection of the axial position and the arrangement of the axial bearing are close to the end of the large impeller, so that the axial collision and abrasion possibly caused by the thermal expansion of the impeller are avoided to the maximum extent; the tail end of the air-cooled motor is provided with a coaxial radiating fan, so that the cooling is normal as long as the motor rotates normally, a magnetic suspension bearing control system has good performance, and the motor does not have any electromagnetic noise under static suspension;
4. through the arrangement of the dust removal assembly, the controller uses an imported MECOS controller, so that the magnetic suspension bearing system is ensured to meet the international ISO14839 standard, and control brake rigidity and sensitivity detection reports at different rotating speeds can be provided.
5. When the foreign object strikes the magnetic suspension fan shell body, at first can extrude two guard plates, two guard plates extrude a plurality of rotary rods through two first connecting plates and drive two surfaces at the dead lever and slide to make a plurality of reset springs obtain tensile, through the setting of two backup pads, thereby stimulate the buffer capacity that a plurality of backup pads improved two guard plates, thereby reach protection magnetic suspension fan shell body internal device.
6. When magnetic suspension fan shell body internal device carries out the during operation, certain moisture is added to the inside of water tank, the external power source of water pump is opened this moment, send into circulation pipeline's inside with the water tank normal water through the water pump, thereby get into a plurality of hollow blocks, make cold water drive a plurality of turbines and rotate in hollow block's inside, make and drive the movable rod and rotate with the flabellum, reach and dispel the heat to magnetic suspension fan shell body internals, and circulation pipeline is connected with the water tank, realize the hydrologic cycle, thereby improve the radiating effect, make things convenient for the staff to carry out work.
Drawings
FIG. 1 is a schematic perspective view of a magnetic levitation blower of the present invention;
FIG. 2 is a schematic diagram of a back view of a magnetic levitation blower of the present invention;
FIG. 3 is a first cross-sectional structural view of a magnetic levitation blower of the present invention;
FIG. 4 is a second cross-sectional structural diagram of a magnetic levitation blower of the present invention;
FIG. 5 is a schematic structural diagram of a magnetic levitation blower body of a magnetic levitation blower according to the present invention;
FIG. 6 is a schematic sectional view of a magnetic levitation blower body of the magnetic levitation blower of the present invention;
FIG. 7 is a schematic view of a three-dimensional structure of a magnetic suspension fan according to the present invention;
FIG. 8 is a schematic view of a magnetic levitation blower according to the present invention;
fig. 9 is a schematic diagram of the internal structure of a hollow block of a magnetic suspension fan according to the invention.
In the figure:
1. a magnetic suspension fan outer shell; 11. an air inlet seal seat; 12. an air outlet sealing seat; 13. a side plate; 14. a power supply component; 15. a first screen frame; 16. a back cover plate; 17. a control component; 18. a second screen frame; 2. a first support upright; 21. a second supporting vertical frame; 22. a supporting cross frame; 23. a filter screen plate; 3. a magnetic suspension fan body; 31. an air intake duct; 32. an air outlet pipe; 33. a filter screen box; 4. a signal component; 5. a water tank; 51. a flow conduit; 52. a water pump; 53. a fan blade; 54. a turbine; 55. fixing the rod; 56. rotating the rod; 57. a first connecting plate; 58. a protection plate; 59. fixing a vertical plate; 60. a second connecting plate; 61. a support plate; 62. a return spring; 63. a movable rod; 64. a hollow block.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, in the embodiment, a magnetic suspension fan is provided, including a magnetic suspension fan outer casing 1, the magnetic suspension fan outer casing 1 is rectangular, an air inlet sealing seat 11 and an air outlet sealing seat 12 are arranged on the upper surface of the magnetic suspension fan outer casing 1, a first filter screen frame 15 is symmetrically arranged on the front surface of the magnetic suspension fan outer casing 1, a side plate 13 is fixedly connected to the outer surface of the right side of the magnetic suspension fan outer casing 1 through fastening screws, a back cover plate 16 is hinged to the rear surface of the magnetic suspension fan outer casing 1, the back cover plate 16 is fixedly connected to the rear surface of the magnetic suspension fan outer casing 1 through fastening screws, a second filter screen frame 18 is fixedly connected to the inner surface of the back cover plate 16 near the bottom, and a control assembly 17 is fixedly connected to the inner surface of the back cover plate 16 near the top; the vertical fixedly connected with first support vertical axis 2 and the second support vertical axis 21 of magnetic suspension fan shell body 1 internal surface symmetry, fixedly connected with support crossbearer 22 between first support vertical axis 2 and the second support vertical axis 21, fixed surface is connected with magnetic suspension fan body 3 on the support crossbearer 22, 3 input end fixedly connected with admission line 31 of magnetic suspension fan body, 3 input fixedly connected with outlet duct 32 of magnetic suspension fan body, the terminal surface fixedly connected with filter box 33 of outlet duct 32.
According to the invention, the inductive sensor is arranged at the position of the magnetic suspension fan body 3, the sensor is arranged in the circumferential direction to detect the axial position, so that the installation of the eddy current sensor at the tail end of the rotor is avoided, the thermal expansion of the rotor caused by high temperature is prevented, the detection position deviation is caused, and the reliability of the whole machine is influenced, the magnetic suspension bearing and the sensor are integrally encapsulated and encapsulated through the arrangement of the magnetic suspension fan body 3, the damage of an ash layer or corrosive gas to a bearing or a sensor coil is prevented, the reliability of the magnetic suspension bearing and the sensor is greatly improved, the detection of the axial position and the arrangement of the axial bearing are close to the end of the large impeller through the arrangement of the magnetic suspension fan body 3, and the axial collision and abrasion possibly caused by the thermal expansion of the impeller is avoided to the maximum extent; the coaxial cooling fan is arranged at the tail end of the air-cooled motor, the cooling is normal as long as the motor rotates normally, the magnetic suspension bearing control system has good performance, the motor does not have any electromagnetic noise under static suspension, the controller uses an imported MECOS COS controller through the arrangement of the dust removal assembly, the magnetic suspension bearing system is guaranteed to meet the international ISO14839 standard, and control rigidity and sensitivity detection reports under different rotating speeds can be provided.
As shown in fig. 1 and 3, the first filter screen holder 15 is embedded with the magnetic suspension fan shell 1, and the first filter screen holder 15 passes through fastening screw fixed connection with the magnetic suspension fan shell 1, and two first filter screen holders 15 are vertical arrangement, and the setting and the device of the first filter screen holder 15 are fixed, thereby performing the dustproof effect on the device.
As shown in fig. 2, a rectangular groove is formed in the outer surface of the side plate 13, a power supply module 14 is fixedly connected to the inner surface of the rectangular groove, the side plate 13 is arranged, the side plate 13 can be conveniently detached, the inside of the device can be maintained, the maintenance convenience is improved, the power supply module 14 is arranged to supply power to the device, and the basic operation of the device is ensured.
As shown in fig. 2-4, the second screen frame 18 and the back cover plate 16 are embedded, and the second screen frame 18 and the back cover plate 16 are fixedly connected through fastening screws, and the second screen frame 18 cooperates with the first screen frame 15 to form the communication inside the device, thereby ensuring the heat dissipation effect inside the device.
As shown in fig. 4, the control component 17 penetrates through the back cover plate 16, and the control component 17 and the back cover plate 16 are embedded, so that the control component 17 debugs the device to ensure the stable operation of the device.
As shown in fig. 3-4, the supporting cross frame 22 is perpendicular to the first supporting vertical frame 2 and the second supporting vertical frame 21, the supporting cross frame 22 is located at a position near the bottom of the inner surface of the outer casing 1 of the magnetic suspension fan, the first supporting vertical frame 2 and the second supporting vertical frame 21 penetrate through the fixedly connected filter screen plate 23, and the arrangement of the supporting cross frame 22 of the first supporting vertical frame 2 and the second supporting vertical frame 21 has an effect of facilitating installation of the device and effectively dividing the device.
As shown in fig. 3-4, the air inlet pipe 31 is matched with the air inlet sealing seat 11, the air inlet pipe 31 is fixedly connected with the air inlet sealing seat 11 through a plurality of fastening bolts, a gasket is arranged between the air inlet pipe 31 and the air inlet sealing seat 11, the end surface of the filter net cage 33 is matched with the air outlet sealing seat 12, the filter net cage 33 is fixedly connected with the air outlet sealing seat 12 through a plurality of fastening bolts, and a gasket is arranged between the filter net cage 33 and the air outlet sealing seat 12.
As shown in fig. 3, a signal component 4 is fixedly connected to the center of the bottom in the outer casing 1 of the magnetic levitation fan, and the signal component 4 is used for uploading data in the sensor and receiving the data by a terminal, so that the monitoring and management of the device are completed.
As shown in fig. 5-6, an eddy current sensor is disposed in the magnetic suspension fan body 3, and the eddy current sensor is located at an axial position detected by the eddy current sensor mounted at the tail end, so that the magnetic suspension fan is convenient to use.
As shown in fig. 7-9, a water tank 5 is fixedly installed on the top of the outer casing 1 of the magnetic levitation fan near the right side, a water pump 52 is fixedly installed on the rear surface of the water tank 5 through an output pipe, a circulation pipe 51 is fixedly installed on the output end of the water pump 52, hollow blocks 64 are fixedly installed on the outer surfaces of the plurality of circulation pipes 51, turbines 54 are installed on the rear surfaces of the inner walls of the plurality of hollow blocks 64 through bearings, movable rods 63 are fixedly installed on the front surfaces of the plurality of turbines 54, fan blades 53 are fixedly installed on the front surfaces of the plurality of movable rods 63, the other end of the circulation pipe 51 is fixedly installed on one side of the outer surface of the water tank 5, the circulation pipe 51 is fixedly installed on the rear surface of the inner wall of the outer casing 1 of the magnetic levitation fan, fixed risers 59 are fixedly installed on both sides of the outer casing 1 of the front surface and the rear surface of the magnetic levitation fan, and the plurality of fixed risers 59 are divided into two groups on average, the opposite sides of two groups of fixed vertical plates 59 are fixedly provided with fixed rods 55, the centers of the outer surfaces of the two fixed rods 55 are fixedly provided with supporting plates 61, two sides of the outer surfaces of the two supporting plates 61 are fixedly provided with reset springs 62, the other ends of the reset springs 62 are fixedly provided with second connecting plates 60, one sides of the outer surfaces of the second connecting plates 60 are movably connected with rotating rods 56, the rotating rods 56 are averagely divided into two groups, the other ends of the two groups of rotating rods 56 are movably connected with first connecting plates 57, the opposite sides of the two first connecting plates 57 are fixedly provided with protective plates 58, the two protective plates 58 extrude the rotating rods 56 through the two first connecting plates 57 to drive the two rotating rods 56 to slide on the outer surfaces of the fixed rods 55, so that the reset springs 62 are stretched, and the supporting plates 61 are arranged, and the supporting plates 61 are pulled to improve the buffer capacity of the two protective plates 58, add certain moisture to the inside of water tank 5, turn on the external power source of water pump 52 this moment, send into the inside of circulating line 51 through water pump 52 with water tank 5 well water to get into in a plurality of hollow blocks 64, make cold water drive a plurality of turbines 54 and rotate in the inside of hollow block 64, make and drive movable rod 63 and flabellum 53 and rotate, reach and dispel the heat to magnetic suspension fan shell body 1 internals.
The main parts of the magnetic suspension fan body 3 comprise a high-efficiency centrifugal impeller, a magnetic suspension bearing, a permanent magnet synchronous motor and a special frequency converter, the high-speed motor, the frequency converter, the magnetic suspension bearing, a microprocessing control panel and the like are integrally designed and integrated, and the core of the magnetic suspension fan body is the magnetic suspension bearing and permanent magnet motor technology and the high-speed centrifugal impeller. The impeller is designed by adopting a ternary flow theory and optimized by parameters, so that the efficiency of the impeller is maximized, and the working area is wide; the material is high-strength forged aluminum or titanium alloy, so that the deformation resistance is high; the coating is precisely processed by a numerical control processing center, and has better corrosion resistance. The highest efficiency of the working point of the impeller can reach 85% measured by experts of national fluid laboratories, and the permanent magnet is arranged on the main shaft of the high-speed permanent magnet synchronous motor to ensure the magnetism of the main shaft. The coil wound by the stator silicon steel sheet of the motor generates oscillation magnetic force, and the rotating speed and the oscillation magnetic field are kept consistent in the operation process, so that synchronization is realized. The permanent magnet motor adopts a magnetic suspension bearing, has the characteristics of no mechanical friction, low noise, low vibration and long service life, and the highest rotating speed can reach 50000 r/min; the magnetic suspension bearing enables the rotating shaft to stably suspend through controllable electromagnetic suction, and the rotating shaft is free from any mechanical resistance in the rotating process, so that the efficiency is high, no abrasion is caused, no maintenance is required, no lubricating oil is required, the taken air is also free from oil, a magnetic suspension bearing control system has good performance, no electromagnetic noise is caused under the static suspension of a motor, the detection of the axial position and the arrangement of the axial bearing are close to the end of a large impeller, the axial collision and abrasion possibly caused by the thermal expansion of the impeller are avoided to the maximum extent, the magnetic suspension bearing and the sensor are integrally encapsulated, the damage of an ash layer or corrosive gas to the bearing or a sensor coil is prevented, and the reliability of the magnetic suspension bearing and the sensor is greatly improved; the intelligent motor control system uses an imported MECOS controller to ensure that the magnetic suspension bearing system meets the international ISO14839 standard and can provide detection reports of control brake rigidity and sensitivity at different rotating speeds.
The use method and the working principle of the device are as follows: the magnetic suspension air blower is directly driven by a high-speed motor, the speed is regulated by a frequency converter, an active magnetic suspension bearing system is utilized, the magnetic suspension bearing rotating inside is supported in a non-contact and non-abrasion suspension mode through controllable electromagnetic force, the magnetic suspension bearing is directly connected with an impeller, transmission loss is zero, the effects that gas is successfully conveyed, the inside of the machine is free of abrasion, low in noise and free of lubrication are achieved, and the magnetic suspension bearing has the function of achieving rotating shaft suspension. The position signal of the rotating shaft is detected by a built-in position sensor, the signal is sent to a magnetic suspension bearing controller to be conditioned, operated and amplified to obtain a control current, and then the control current is input into a magnetic bearing to generate a controllable suction force to a rotor, so that the suspension of the rotating shaft is realized, and the synchronous permanent magnet motor has the function of driving the rotor shaft to rotate. The variable frequency power supply generates alternating current with adjustable frequency, the alternating current is input into a motor stator to generate a rotating magnetic field, the rotating shaft is driven to rotate at high speed, the fan has the function of blowing air, the impeller rotating at high speed along with the rotating shaft drives air to enter from the air inlet of the volute, the air becomes gas with certain flow speed and pressure under the guiding and pressurizing effects of the volute, and finally the gas is blown out from the air outlet of the volute, so that the blowing air of the fan is realized. The axial position is detected by arranging the sensors in the circumferential direction, the eddy current sensor is prevented from being arranged at the tail end of the rotor, the rotor is prevented from thermal expansion caused by high temperature, the detection position deviation is prevented, the reliability of the whole machine is influenced, the magnetic suspension bearing and the sensor are integrally encapsulated and encapsulated, the bearing or a sensor coil is prevented from being damaged by an ash layer or corrosive gas, the reliability of the magnetic suspension bearing and the sensor is greatly improved, the axial position detection and the axial bearing arrangement are close to the large impeller end, and axial collision and abrasion possibly caused by the thermal expansion of the impeller are avoided to the maximum extent; the tail end of a motor of an air cooling type is provided with a coaxial cooling fan, the cooling is normal as long as the motor rotates normally, a magnetic suspension bearing control system has good performance, the motor does not have any electromagnetic noise under static suspension, an imported MECOS COS controller is used as the controller, the magnetic suspension bearing system is ensured to conform to the international ISO14839 standard, and control brake stiffness and sensitivity detection reports under different rotating speeds can be provided, when a foreign object impacts the magnetic suspension fan shell body 1, two protection plates 58 are firstly extruded, the two protection plates 58 extrude a plurality of rotary rods 56 through two first connecting plates 57 to drive the two protection plates to slide on the outer surface of a fixed rod 55, so that a plurality of reset springs 62 are stretched, the two support plates 61 are arranged, and the support plates 61 are pulled to improve the buffer capacity of the two protection plates 58, so as to protect the internal device of the magnetic suspension fan shell body 1, when the magnetic suspension fan shell body 1 internal device is worked, certain moisture is added to the inside of water tank 5, the external power supply of water pump 52 is opened this moment, send water into the inside of circulating pipe 51 through water pump 52 with water tank 5, thereby get into a plurality of hollow blocks 64, make cold water drive a plurality of turbines 54 and rotate in the inside of hollow blocks 64, make and drive movable rod 63 and flabellum 53 and rotate, it dispels the heat to reach 1 internal part of magnetic suspension fan shell body, and circulating pipe 51 is connected with water tank 5, realize the hydrologic cycle, thereby improve the radiating effect, make things convenient for the staff to work.
Other techniques of the present embodiment employ existing techniques.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. A magnetic suspension fan is characterized by comprising a magnetic suspension fan outer shell (1), the magnetic suspension fan shell (1) is arranged in a rectangular shape, the upper surface of the magnetic suspension fan shell (1) is provided with an air inlet sealing seat (11) and an air outlet sealing seat (12), the front surface of the outer shell (1) of the magnetic suspension fan is symmetrically provided with a first filter screen frame (15), the outer surface of the right side of the outer shell (1) of the magnetic suspension fan is fixedly connected with a side plate (13) through a fastening screw, the back surface of the outer shell (1) of the magnetic suspension fan is hinged with a back cover plate (16), the back cover plate (16) is fixedly connected with the rear surface of the outer shell (1) of the magnetic suspension fan through fastening screws, a second filter screen frame (18) is fixedly connected to the inner surface of the back cover plate (16) near the bottom, the inner surface of the back cover plate (16) is fixedly connected with a control component (17) at a position close to the top;
the utility model discloses a magnetic suspension fan, including magnetic suspension fan shell body (1), the vertical fixedly connected with of internal surface symmetry first support erector (2) and second support erector (21), fixedly connected with support crossbearer (22) between first support erector (2) and the second support erector (21), fixed surface is connected with magnetic suspension fan body (3) on support crossbearer (22), magnetic suspension fan body (3) input end fixedly connected with admission line (31), fixedly connected with outlet duct (32) are exported in magnetic suspension fan body (3), the terminal surface fixedly connected with filter screen case (33) of outlet duct (32).
2. The magnetically suspended wind turbine of claim 1, wherein: first screen frame (15) are embedded setting with magnetic suspension fan shell body (1), and just first screen frame (15) pass through fastening screw fixed connection with magnetic suspension fan shell body (1), and two first screen frames (15) are vertical range.
3. The magnetically suspended wind turbine of claim 2, wherein: the rectangle recess has been seted up to curb plate (13) surface, and rectangle recess internal surface fixedly connected with power supply module (14), second screen frame (18) are embedded setting with back of the body apron (16), and second screen frame (18) pass through fastening screw fixed connection with back of the body apron (16).
4. The magnetically suspended fan of claim 3, wherein: the control assembly (17) penetrates through the back cover plate (16), and the control assembly (17) and the back cover plate (16) are arranged in an embedded mode.
5. The magnetically suspended wind turbine of claim 1, wherein: the support crossbearer (22) is perpendicular setting with first support vertical frame (2) and second support vertical frame (21), support crossbearer (22) and be located magnetic suspension fan shell body (1) internal surface and be close to the bottom position, first support vertical frame (2) and second support vertical frame (21) position run through fixedly connected with filter plate (23).
6. The magnetically suspended wind turbine of claim 5, wherein: air inlet pipe (31) and air inlet seal seat (11) position cooperate, and air inlet pipe (31) and air inlet seal seat (11) are through a plurality of fastening bolt fixed connection, be provided with the gasket between air inlet pipe (31) and air inlet seal seat (11).
7. The magnetically suspended wind turbine of claim 6, wherein: the terminal surface of straining net case (33) cooperatees with the seal receptacle (12) position of giving vent to anger, and filter net case (33) and the seal receptacle (12) of giving vent to anger are through a plurality of fastening bolt fixed connection, strain net case (33) and give vent to anger and also be provided with the gasket between seal receptacle (12), bottom center department fixedly connected with signal component (4) in magnetic suspension fan shell body (1), be provided with eddy current sensor in magnetic suspension fan body (3), and eddy current sensor is located the axial position that tail end installation eddy current sensor detected.
8. The magnetically suspended wind turbine of claim 7, wherein: magnetic suspension fan shell body (1) is close to top fixed mounting on right side has water tank (5), the rear surface of water tank (5) has water pump (52) through output pipe fixed mounting, the output fixed mounting of water pump (52) has circulation pipeline (51), and is a plurality of the equal fixed mounting in surface of circulation pipeline (51) has hollow block (64), and is a plurality of turbine (54) are all installed through the bearing to the rear surface of hollow block (64) inner wall, and are a plurality of the equal fixed mounting in positive surface of turbine (54) has movable rod (63), and is a plurality of the equal fixed mounting in positive surface of movable rod (63) has flabellum (53), the other end fixed mounting of circulation pipeline (51) is in one side of water tank (5) surface, circulation pipeline (51) fixed mounting is at the rear surface of magnetic suspension fan shell body (1) inner wall.
9. The magnetically suspended wind turbine of claim 8, wherein: the magnetic suspension fan shell body (1) is close to the equal fixed mounting in both sides of positive surface and rear surface and has fixed riser (59), and is a plurality of fixed riser (59) are averagely divided into two sets ofly, two the equal fixed mounting in one side that fixed riser (59) are relative has dead lever (55), two the equal fixed mounting in center department of dead lever (55) surface has backup pad (61).
10. The magnetically levitated fan of claim 9, wherein: two the equal fixed mounting in both sides of backup pad (61) surface has reset spring (62), and is a plurality of the equal fixed mounting in the other end of reset spring (62) has second connecting plate (60), and is a plurality of the equal swing joint in one side of second connecting plate (60) surface has rotary rod (56), and is a plurality of rotary rod (56) averagely divide into two sets ofly, two sets of the equal swing joint in the other end of rotary rod (56) has first connecting plate (57), two the equal fixed mounting in one side that first connecting plate (57) carried on the back mutually has guard plate (58).
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| CN202210326747.0A CN114607635A (en) | 2022-03-30 | 2022-03-30 | Magnetic suspension fan |
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| CN114909310A (en) * | 2022-07-14 | 2022-08-16 | 江苏中浮动力科技有限公司 | Low-wind-resistance impeller air suspension centrifugal fan |
| CN117869339A (en) * | 2024-01-08 | 2024-04-12 | 雷茨智能装备 (广东) 有限公司 | Self-operated cooling device of magnetic suspension fan |
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