CN114567103B - Shielding permanent magnet synchronous motor directly-connected waterwheel type oxygenation system - Google Patents
Shielding permanent magnet synchronous motor directly-connected waterwheel type oxygenation system Download PDFInfo
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- CN114567103B CN114567103B CN202210300749.2A CN202210300749A CN114567103B CN 114567103 B CN114567103 B CN 114567103B CN 202210300749 A CN202210300749 A CN 202210300749A CN 114567103 B CN114567103 B CN 114567103B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a shielded permanent magnet synchronous motor direct-connected waterwheel type oxygenation system, and aims to provide a shielded permanent magnet synchronous motor direct-connected waterwheel type oxygenation system which adopts water-cooled heat dissipation and has good heat dissipation effect, the technical scheme is that the shielded permanent magnet synchronous motor direct-connected waterwheel type oxygenation system comprises a motor, waterwheel components and a main pontoon, the motor comprises a shell, connecting discs, a stator and a rotor, a rotor shaft penetrates through the rotor, two ends of the rotor shaft penetrate through the connecting discs and extend out of the connecting discs, the waterwheel components are arranged at two ends of the rotor shaft, and the shielded waterwheel type oxygenation system also comprises a shielding sleeve arranged between the two connecting discs, and the shielding sleeve is connected with one side of the shell; the water through holes are formed in the connecting disc and close to the surface of the bottom end; the water storage tank is arranged on the surface of the motor and is communicated with the water through hole; the water storage cavity is communicated with the water storage tank through the water passing holes.
Description
Technical Field
The invention belongs to the technical field of aquaculture, and particularly relates to a shielded permanent magnet synchronous motor direct-connected waterwheel type oxygenation system.
Background
The waterwheel type aerator is widely applied to aquaculture industry, and mainly has the functions of increasing the oxygen content in water to ensure that fish in water cannot lack oxygen, inhibiting the growth of anaerobic bacteria in water, preventing pond water from deteriorating to threaten the aquaculture production environment, and ensuring that the aerator plays the most role and contributes most to the yield in many aquaculture high-yield areas.
For example, chinese patent application No. (CN 201810890148.5) discloses a waterwheel aerator, including actuating mechanism, support, impeller and pontoon, actuating mechanism includes dc motor, motor housing and control box, and this application structure is balanced relatively, and oxygenation effect is good, and waterproof performance is good yet, but the radiating effect of motor is not good enough, carries out waterproof to dc motor through the motor housing, and ventilation effect is relatively poor, and the heat is not gone out, though adopt aluminium system material, but long-time use or use in hot season, still easily cause the damage to dc motor because of overheated, consequently need improve the motor heat dissipation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a shielding permanent magnet synchronous motor direct-connected waterwheel type oxygenation system which adopts water-cooled heat dissipation and has good heat dissipation effect.
In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a shielding PMSM directly links waterwheel formula oxygenation system, includes motor, waterwheel subassembly and main pontoon, the motor includes the casing, installs the connection pad at casing both ends, fixes stator on the casing inner wall and with the coaxial and swing joint's of stator rotor, it is equipped with the rotor shaft to run through in the rotor, outside the rotor shaft both ends all run through the connection pad and extend to the connection pad, the waterwheel unit mount still included at the rotor shaft both ends:
the shielding sleeve is arranged between the two connecting discs, is connected with one side of the shell close to the axis, forms a shielding cavity with the shell, and is positioned in the shielding cavity which is filled with high-temperature-resistant heat-conducting resin;
the bulge is arranged on the inner wall of one side, close to the rotor, of the shielding sleeve and is in a thread shape;
the water passing hole is formed in the surface, close to the bottom end, of the connecting disc;
the water storage tank is arranged on the outer surface of the motor and is communicated with the water through hole;
the motor is installed above the main pontoon, a water passing gap is formed between the shielding sleeve and the rotor, a water storage cavity is formed between the shielding sleeve and the connecting disc and between the shielding sleeve and the rotor, and the water passing hole is communicated with the water storage cavity and the water storage tank.
The invention is further configured to further include:
a water inlet opening at the top end of the water storage tank;
the shielding frame is arranged on the inner wall of the water storage tank close to the water inlet;
wherein, the shielding frame is formed by crossing a plurality of round rods.
The invention is further configured to further include:
the mounting groove is formed in one surface, close to the water storage tank, of the connecting disc and is coaxial with the water through hole;
the filtering silk floss is arranged in the mounting groove;
and the baffle ring is detachably connected with the inner wall of the mounting groove and is used for mounting the filtering silk floss in the mounting groove.
The invention is further configured to further include:
the drain hole is formed in the bottom end of the side, far away from the connecting disc, of the water storage tank;
and a drain screw installed in the drain hole and used to open and close the drain hole.
The invention is further characterized by further comprising:
the axial blocking pieces are sleeved on the surface of the rotor shaft and are positioned on two sides of the rotor;
one end of the connecting disc close to the rotor shaft extends to one side of the rotor shaft to form an extending part;
wherein, one end of the extension part close to the rotor is propped against the surface of the axial baffle.
The invention is further configured to further include:
the graphite shaft sleeve is sleeved on the surface of the rotor shaft and is positioned on one side of the extending part close to the shaft center;
and the ceramic coating is sprayed on the surface of the rotor shaft, which is positioned on the graphite shaft sleeve.
The invention is further configured to further include:
and the shaft seals are respectively arranged between the connecting disc and the surface of the rotor shaft and between the water storage tank and the surface of the rotor shaft.
The invention further provides that the waterwheel assembly comprises:
the flange joints are arranged at two ends of the rotor shaft;
the rotating shafts are coaxially arranged at two ends of the rotor shaft through flange joints;
the impeller assembly is sleeved on the rotating shaft;
the auxiliary floating pontoon is arranged below the rotating shaft and is positioned between every two adjacent impeller assemblies;
and the bearing seats are arranged on the auxiliary floating ships, and the rotating shaft is connected with the auxiliary floating ships through the bearing seats.
The invention further provides that the impeller assembly comprises:
the shaft sleeve is sleeved on the surface of the rotating shaft;
one end of the support rod is arranged on the surface of the shaft sleeve;
the blade is arranged at the other end of the supporting rod;
a plurality of water leakage holes are formed in the blade;
the blades are obliquely arranged, the blades positioned on two sides of the main floating pontoon are inclined towards one side of the main floating pontoon, and the blades positioned on one side of the auxiliary floating pontoon far away from the main floating pontoon are inclined towards one side far away from the auxiliary floating pontoon.
The invention is further configured to further include:
a controller;
the wire holder is arranged on the side surface of the top end of the machine shell;
a motor coil wound on a surface of the stator;
the cable conductor, the cable conductor both ends respectively with controller and motor coil electric connection.
The beneficial effects of the invention are as follows:
1. the stator is protected in a water-proof mode through the shielding sleeve, then the water storage tank supplies water to the water storage cavity through the water through hole, so that water flows through the water through gap, the rotor and the stator are cooled from the inside of the motor, heat is taken out, and a good cooling effect is achieved; the shielding cavity is filled with high-temperature-resistant heat-conducting resin, so that heat conduction can be improved, and the heat dissipation efficiency and the heat dissipation effect are further improved;
2. through the thread-shaped bulges, on one hand, the contact area with water can be increased, so that the heat conduction efficiency is improved, and the heat dissipation effect is increased, on the other hand, the thread-shaped bulges can play a role in guiding, so that the efficiency of water flowing through the water passing gap is improved, and the heat dissipation efficiency and the heat dissipation effect are improved;
3. the water inlet is formed in the top end of the water storage tank, the shielding frame is arranged at the water inlet, and the water splashing part enters the water storage tank from the water inlet through the operation of the waterwheel assembly, so that the maintenance and watering period can be prolonged, the shielding frame can prevent impurities such as large waterweeds brought by the waterwheel assembly from entering, and the waterweeds can play a role in shielding the sun after being blocked by the shielding frame, so that the rising of the water temperature in the water storage tank in hot seasons is slowed down;
4. the axial retaining pieces are arranged on the two sides of the rotor, so that the axial wear-resisting effect of the rotor is improved, and the extending parts abut against the axial retaining pieces to achieve a stable effect; meanwhile, the graphite shaft sleeve can improve the wear resistance of the surface of the rotor shaft; the ceramic coating can further improve the wear resistance of the rotor shaft, prevent the rotor shaft from being damaged and prolong the service life of the rotor shaft;
5. the filtering silk floss is arranged at the water passing hole, so that water entering the water storage cavity and the water passing gap can be filtered, impurities are prevented from entering, the rotor is prevented from being blocked, and the motor is prevented from being damaged; the baffle ring can play a role in fixing the filtering silk floss;
6. the operation process of the invention is as follows:
s1: the motor is started and controlled to operate by the controller;
s2: the motor drives the rotor shaft to rotate, so as to drive the waterwheel assembly to rotate;
s3: the rotor shaft rotates, so that water flow is formed in the water storage cavity and the water passing gap, and the water storage tank and the water passing holes are matched to form circulating water flow;
s4: the water wheel assembly runs along with the motor to perform water area culture increasing operation;
s4: part of the water kicked up by the waterwheel assembly enters the water storage tank through the water inlet.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention at a motor;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is an enlarged view of the invention at B in FIG. 2;
FIG. 5 is an enlarged view of the invention at C in FIG. 2;
in the drawings: 1. a motor; 10. a housing; 11. a connecting disc; 110. an extension portion; 12. a stator; 13. a rotor; 14. a rotor shaft; 15. an axial baffle plate; 16. a graphite shaft sleeve; 17. a ceramic coating; 2. a waterwheel assembly; 20. a flange joint; 21. a rotating shaft; 22. an impeller assembly; 220. a sleeve; 221. a support bar; 222. a blade; 223. a water leakage hole; 23. an auxiliary pontoon; 24. a bearing seat; 3. a main pontoon; 40. a shielding sleeve; 41. a shielded cavity; 42. a protrusion; 43. water passing holes; 44. a water storage tank; 45. a water passing gap; 46. a water storage cavity; 47. a water inlet; 48. a shielding frame; 50. mounting grooves; 51. filtering silk floss; 52. a baffle ring; 60. a drain hole; 61. a drain screw; 7. shaft sealing; 80. a controller; 81. a wire holder; 82. a motor coil; 83. and (3) a cable.
Detailed Description
The invention is further described in the following with reference to fig. 1 to 5 in a specific embodiment:
example 1:
the embodiment provides a 1 direct connection waterwheel formula oxygenation system of shielding permanent magnet synchronous motor, including motor 1, waterwheel subassembly 2 and main pontoon 3, motor 1 includes casing 10, installs connection pad 11 at casing 10 both ends, fixes stator 12 on the casing 10 inner wall and the rotor 13 coaxial and swing joint with stator 12, it is equipped with rotor shaft 14 to run through in the rotor 13, rotor shaft 14 both ends all run through connection pad 11 and extend to outside connection pad 11, and waterwheel subassembly 2 installs at rotor shaft 14 both ends, still includes:
the shielding sleeve 40 is installed between the two connecting discs 11, is connected with one side, close to the axis, of the casing 10, and forms a shielding cavity 41 with the casing 10, the stator 12 is located in the shielding cavity 41, and the shielding cavity 41 is filled with high-temperature-resistant heat-conducting resin;
the bulge 42 is arranged on the inner wall of the shielding sleeve 40 close to one side of the rotor 13, and is in a thread shape;
the water through hole 43 is formed in the surface, close to the bottom end, of the connecting disc 11;
a water storage tank 44, wherein the water storage tank 44 is arranged on the outer surface of the motor 1 and is communicated with the water through hole 43;
the motor 1 is arranged above the main pontoon 3, a water passing gap 45 is formed between the shielding sleeve 40 and the rotor 13, a water storage cavity 46 is formed between the shielding sleeve 40 and the connecting disc 11 and the rotor 13, and the water passing hole 43 is communicated with the water storage cavity 46 and the water storage tank 44; the protrusion 42 and the shielding case 40 are preferably integrally formed, and are preferably made of rubber; the water storage tank 44 is preferably sleeved on the surface of the motor 1 in a shape like a Chinese character 'hui', and two communicated water storage tanks 44 can be adopted and respectively arranged at two sides of the motor 1.
In the embodiment, the shielding sleeve 40 is adopted to perform water-proof protection on the stator 12, and then the water storage tank 44 supplies water to the water storage cavity 46 through the water through hole 43, so that water flows through the water through gap 45, the rotor 13 and the stator 12 are cooled from the inside of the motor 1, heat is taken out, and a good cooling effect is achieved; the shielding cavity 41 is filled with high temperature resistant heat conducting resin, so that heat conduction can be improved, and thus heat dissipation efficiency and heat dissipation effect can be further improved.
Meanwhile, the thread-shaped protrusions 42 can increase the contact area with water, so that the heat conduction efficiency is improved, the heat dissipation effect is increased, the thread-shaped protrusions can play a role in guiding, the efficiency of water flowing through the water passing gaps 45 is improved, and the heat dissipation efficiency and the heat dissipation effect are improved.
Example 2:
in this embodiment, in addition to the structural features of embodiment 1, further, the present invention further includes:
a water inlet 47, the water inlet 47 is arranged at the top end of the water storage tank 44;
a shielding frame 48, the shielding frame 48 being installed on an inner wall of the water storage tank 44 near the water inlet 47;
wherein the shielding frame 48 is formed by intersecting a plurality of round rods; the water storage tank 44 and the shielding frame 48 are preferably made of plastic, and a plurality of round rods are preferably integrally formed and are preferably bonded with the water storage tank 44.
In the embodiment, the water inlet 47 is formed in the top end of the water storage tank 44, the shielding frame 48 is arranged at the water inlet 47, and through the operation of the waterwheel assembly 2, splashed water enters the water storage tank 44 from the water inlet 47, so that the maintenance and watering period can be prolonged, the shielding frame 48 can prevent impurities such as large waterweeds brought by the waterwheel assembly 2 from entering, and the waterweeds can be shielded by the shielding frame 48, so that the sun-shading effect can be achieved on the water storage tank 44, and the rising of the water temperature in the water storage tank 44 in hot seasons can be slowed down.
Example 3:
in this embodiment, in addition to the structural features of embodiment 2, the method further includes:
the mounting groove 50 is formed in one surface, close to the water storage tank 44, of the connecting disc 11, and the mounting groove 50 is arranged coaxially with the water through hole 43;
the filtering silk floss 51, the filtering silk floss 51 is installed in the installation groove 50;
the baffle ring 52 is detachably connected with the inner wall of the mounting groove 50 and is used for mounting the filter silk floss 51 in the mounting groove 50;
the retaining ring 52 is preferably clamped with the inner wall of the mounting groove 50, and may also be in interference fit or threaded connection.
In the embodiment, the filtering silk floss 51 is arranged at the water passing hole 43, so that water entering the water storage cavity 46 and the water passing gap 45 can be filtered, impurities are prevented from entering, the rotor 13 is prevented from being blocked, and the motor 1 is prevented from being damaged; and the retainer ring 52 can have a fixing effect on the filter floss 51.
Example 4:
in this embodiment, in addition to the structural features of embodiment 3, the method further includes:
the drain hole 60 is formed in the bottom end of the water storage tank 44 far away from one surface of the connecting disc 11;
a drain screw 61, the drain screw 61 being installed in the drain hole 60 and opening and closing the drain hole 60;
the drainage screw 61 is preferably in threaded connection with the inner wall of the drainage hole 60.
It can be seen that in the embodiment, through seting up wash port 60, be convenient for discharge the impurity in the water storage tank 44, prevent that impurity from piling up for a long time and causing the jam to water hole 43, adopt drainage screw 61 simultaneously, be convenient for to opening and closing of wash port 60, improve the abluent work efficiency of water storage tank 44.
Example 5:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
the axial blocking pieces 15 are sleeved on the surface of the rotor shaft 14, and the axial blocking pieces 15 are positioned on two sides of the rotor 13;
an extension part 110 formed by extending one end of the connecting disc 11 close to the rotor shaft 14 to one side of the rotor shaft 14;
wherein, one end of the extension part 110 close to the rotor 13 is abutted against the surface of the axial baffle 15, and the extension part 110 and the connecting disc 11 are preferably integrally formed.
In this embodiment, it can be seen that, by providing the axial blocking pieces 15 on both sides of the rotor 13, the wear-resisting effect of the rotor shaft 14 in the axial direction is improved, and the extending portion 110 abuts against the axial blocking pieces 15 to achieve a stabilizing effect; at the same time, the extension 110 also improves the stability of the rotor shaft 14 and thus of the rotor 13.
Example 6:
in this embodiment, in addition to the structural features of embodiment 5, the method further includes:
the graphite shaft sleeve 16 is sleeved on the surface of the rotor shaft 14, and the graphite shaft sleeve 16 is positioned on one side of the extension part 110 close to the shaft center;
the ceramic coating 17 is sprayed on the surface of the rotor shaft 14, which is positioned on the graphite shaft sleeve 16;
wherein, the graphite sleeve 16 and the extension part 110 are preferably bonded.
In this embodiment, it can be seen that, the wear resistance of the surface of the rotor shaft 14 can be improved by the graphite shaft sleeve 16, the rotor shaft 14 is prevented from being worn, and the service life of the rotor shaft 14 is prolonged, and the ceramic coating 17 is sprayed on the surface of the rotor shaft 14, so that the wear resistance of the rotor shaft 14 is further improved, the rotor shaft 14 is prevented from being damaged, and the service life of the rotor shaft 14 is prolonged.
Example 7:
in this embodiment, in addition to the structural features of embodiment 6, the method further includes:
and the shaft seal 7, the shaft seal 7 is respectively arranged between the connecting disc 11 and the surface of the rotor shaft 14 and between the water storage tank 44 and the surface of the rotor shaft 14.
In the embodiment, the shaft seal 7 is arranged, so that impurities such as silt in water can be prevented from entering the surface of the rotor shaft 14 to cause abrasion to the rotor shaft 14, the rotor shaft 14 is prevented from being damaged, and the service life of the rotor shaft 14 is prolonged.
Example 8:
in this embodiment, in addition to the structural features of embodiment 1, the waterwheel assembly 2 further comprises:
the flange joints 20, the flange joints 20 are arranged at two ends of the rotor shaft 14;
a rotating shaft 21, the rotating shaft 21 being coaxially mounted at both ends of the rotor shaft 14 through flange joints 20;
the impeller component 22, the said impeller component 22 is fitted over the rotating shaft 21;
an auxiliary pontoon 23, the auxiliary pontoon 23 being installed below the rotating shaft 21 and between two adjacent impeller assemblies 22;
a bearing housing 24, the bearing housing 24 being installed on the auxiliary pontoon 23, the rotary shaft 21 being connected to the auxiliary pontoon 23 through the bearing housing 24;
wherein, the bearing seat 24 is preferably fixed on the auxiliary pontoon 23 by bolts and is in bearing connection with the rotating shaft 21.
In the present embodiment, it can be seen that the flange joint 20 facilitates the connection and disconnection of the rotor shaft 14 and the rotating shaft 21, and the bearing seat 24 can improve the stability of the rotating shaft 21 and the impeller assembly 22 on the rotating shaft 21, and the frictional resistance when the rotating shaft 21 rotates, thereby improving the rotating efficiency of the rotating shaft 21 and the working efficiency of oxygenation.
Example 9:
in this embodiment, in addition to the structural features of embodiment 8, the impeller assembly 22 further includes:
the sleeve 220 is sleeved on the surface of the rotating shaft 21, and the sleeve 220 is sleeved on the surface of the rotating shaft 21;
a support rod 221, wherein one end of the support rod 221 is installed on the surface of the sleeve 220;
a blade 222, wherein the blade 222 is mounted at the other end of the support rod 221;
a plurality of water leakage holes 223, wherein the water leakage holes 223 are all arranged on the blade 222;
wherein the blades 222 are obliquely arranged, the blades 222 positioned at both sides of the main pontoon 3 are obliquely inclined toward one side of the main pontoon 3, and the blades 222 positioned at one side of the auxiliary pontoon 23 away from the main pontoon 3 are obliquely inclined toward one side away from the auxiliary pontoon 23; the support rod 221, the vane 222 and the sleeve 220 are preferably integrally formed, and the sleeve 220 and the rotating shaft 21 are preferably fixed by bolts.
In this embodiment, it can be seen that, by setting the blades 222 in an inclined manner, the support rods 221 and the blades 222 are driven by the rotating shaft 21 to stir up the water splash, and the blades 222 at both sides of the main pontoon 3 are inclined toward one side of the main pontoon 3 to increase the water splash amount stirred toward one side of the main pontoon 3, thereby increasing the probability and the water amount of the water splash falling into the water storage tank 44, and extending the maintenance period of water storage of the water storage tank 44, and the blades 222 at one side of the auxiliary pontoon 23 away from the main pontoon 3 are inclined toward the side away from the auxiliary pontoon 23, thereby reducing the amount of water splash splashing onto the auxiliary pontoon 23, avoiding increasing the self weight of the auxiliary pontoon 23, avoiding excessive change of the water entry depth of the blades, increasing the resistance to the blades, so that the blades maintain high-efficiency operation, and the stirred up water splash can also have a cooling effect on the surfaces of the motor 1 and the water storage tank 44 in hot weather, and the water leakage holes 223 can reduce the resistance of the blades 222, thereby reducing the work load of the motor 1.
Example 10:
in this embodiment, in addition to the structural features of embodiment 1, the present invention further includes:
a controller 80;
the wire holder 81, the said wire holder 81 is installed on the side of the top of the chassis 10;
the motor 1 coil, the said motor 1 coil is wound on the surface of the stator 12;
and two ends of the cable 83 are electrically connected with the controller 80 and the coil of the motor 1 respectively.
Wherein, be used for installing cable conductor 83 clamp plate and cable conductor 83 on casing 10 through connection terminal 81, pass through sealing process between connection terminal 81, cable conductor 83 clamp plate and the cable conductor 83, guarantee promptly that motor 1 can not lead to the damage because of the splash that arouses when using, the sealing process of this department is the prior art that technical staff in the field can know, and here is not given unnecessary repetition.
In the embodiment, it can be seen that the motor 1 is started and controlled to operate by the controller 80; then the stator 12 of the motor 1 drives the rotor 13 to rotate, so that the rotor shaft 14 rotates and drives the waterwheel assembly 2 to rotate, water splash is stirred up through the impeller assembly 22 in the waterwheel assembly 2 to carry out oxygenation operation, part of water stirred up by the waterwheel assembly 2 enters the water storage tank 44 from the water inlet 47, pre-filled water and stirred water in the water storage tank 44 enter the water storage cavity 46 through the water through holes 43, and along with the rotation of the rotor 13, the water flows through the water gap 45, so that the water-cooling heat dissipation is carried out on the rotor 13 and the stator 12, the overheating of the motor 1 is prevented, or the damage to the motor 1 in hot weather is caused, and the service life of the motor 1 is influenced.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a shielding permanent magnet synchronous motor directly links waterwheel formula oxygenation system, includes motor (1), waterwheel subassembly (2) and main pontoon (3), motor (1) includes casing (10), installs connection pad (11) at casing (10) both ends, fixes stator (12) on casing (10) inner wall and rotor (13) coaxial and swing joint with stator (12), it is equipped with rotor shaft (14) to run through in rotor (13), rotor shaft (14) both ends all run through connection pad (11) and extend to outside connection pad (11), and waterwheel subassembly (2) are installed at rotor shaft (14) both ends, characterized by still includes:
the shielding sleeve (40) is arranged between the two connecting discs (11), is connected with one side, close to the axis, of the shell (10), and forms a shielding cavity (41) with the shell (10), the stator (12) is positioned in the shielding cavity (41), and the shielding cavity (41) is filled with high-temperature-resistant heat-conducting resin;
the bulge (42) is arranged on the inner wall of one side, close to the rotor (13), of the shielding sleeve (40) and is in a threaded shape;
the water passing hole (43) is formed in the surface, close to the bottom end, of the connecting disc (11);
the water storage tank (44) is arranged on the outer surface of the motor (1), and is communicated with the water through hole (43);
a water inlet (47), wherein the water inlet (47) is arranged at the top end of the water storage tank (44);
a shielding frame (48), the shielding frame (48) being installed on an inner wall of the water storage tank (44) near the water inlet (47);
the motor (1) is installed above the main floating pontoon (3), a water passing gap (45) is formed between the shielding sleeve (40) and the rotor (13), a water storage cavity (46) is formed between the shielding sleeve and the connecting disc (11) and between the shielding sleeve and the rotor (13), and the water passing holes (43) are communicated with the water storage cavity (46) and the water storage tank (44); the shielding frame (48) is formed by intersecting a plurality of round rods.
2. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 1, further comprising:
the mounting groove (50) is formed in one surface, close to the water storage tank (44), of the connecting disc (11), and the mounting groove (50) is coaxial with the water through hole (43);
the filtering silk floss (51), the filtering silk floss (51) is installed in the installation groove (50);
the baffle ring (52), the baffle ring (52) is detachably connected with the inner wall of the installation groove (50), and is used for installing the filtering silk floss (51) in the installation groove (50).
3. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 2, further comprising:
the drain hole (60) is formed in the bottom end of one surface, far away from the connecting disc (11), of the water storage tank (44);
a drain screw (61), the drain screw (61) being installed in the drain hole (60) and opening and closing the drain hole (60).
4. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 1, further comprising:
the axial blocking pieces (15), the axial blocking pieces (15) are sleeved on the surface of the rotor shaft (14) and are positioned on two sides of the rotor (13);
an extension part (110), wherein one end of the connecting disc (11) close to the rotor shaft (14) extends to one side of the rotor shaft (14) to form the extension part (110);
wherein one end of the extension part (110) close to the rotor (13) is abutted against the surface of the axial baffle (15).
5. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 4, further comprising:
the graphite shaft sleeve (16), the said graphite shaft sleeve (16) is set up in the surface of the rotor shaft (14), and locate at one side close to axle center of the extension (110);
and the ceramic coating (17) is sprayed on the surface of the rotor shaft (14) which is positioned on the graphite shaft sleeve (16).
6. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 5, further comprising:
the shaft seal (7), the shaft seal (7) is installed between the connection disc (11) and the surface of the rotor shaft (14) and between the water storage tank (44) and the surface of the rotor shaft (14) respectively.
7. The shielded PMSM direct-connected waterwheel type oxygenation system of claim 1, wherein said waterwheel assembly (2) comprises:
the flange joints (20), the flange joints (20) are arranged at two ends of the rotor shaft (14);
the rotating shaft (21), the said rotating shaft (21) is installed on both ends of the rotor shaft (14) coaxially through the flange joint (20);
the impeller component (22), the impeller component (22) is sleeved on the rotating shaft (21);
the auxiliary floating pontoon (23) is arranged below the rotating shaft (21) and is positioned between every two adjacent impeller assemblies (22) on the same side of the main floating pontoon (3);
the bearing seat (24), bearing seat (24) are installed on supplementary pontoon (23), rotation axis (21) pass through bearing seat (24) and are connected with supplementary pontoon (23).
8. The shielded PMSM direct connect waterwheel type oxygenation system of claim 7, wherein said impeller assembly (22) comprises:
the sleeve (220), the said sleeve (220) is fitted over the surface of the rotating shaft (21);
one end of the supporting rod (221) is installed on the surface of the sleeve (220);
the blade (222), the said blade (222) is installed on another end of the brace (221);
a plurality of water leakage holes (223), wherein the water leakage holes (223) are arranged on the blades (222);
the blades (222) are obliquely arranged, the blades (222) positioned on two sides of the main floating pontoon (3) are oblique to one side of the main floating pontoon (3), and the blades (222) positioned on one side, far away from the main floating pontoon (3), of the auxiliary floating pontoon (23) are oblique to one side, far away from the auxiliary floating pontoon (23).
9. The shielded permanent magnet synchronous motor direct water wheel type oxygenation system of claim 1, further comprising:
a controller (80);
the wire holder (81), the said wire holder (81) is installed on the side of the top of the chassis (10);
a motor coil (82), wherein the motor coil (82) is wound on the surface of the stator (12);
the motor comprises a cable (83), wherein two ends of the cable (83) are respectively electrically connected with the controller (80) and the motor coil (82).
Priority Applications (1)
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