CN102480174B - Energy-saving and consumption-reducing method and device of shield pump motor - Google Patents
Energy-saving and consumption-reducing method and device of shield pump motor Download PDFInfo
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- CN102480174B CN102480174B CN201010561159.2A CN201010561159A CN102480174B CN 102480174 B CN102480174 B CN 102480174B CN 201010561159 A CN201010561159 A CN 201010561159A CN 102480174 B CN102480174 B CN 102480174B
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Abstract
The invention discloses an energy-saving and consumption-reducing method and a device of a shield pump motor, wherein the method is characterized in that a metal shield sleeve is composed of a regional megneto-electricity anisotropic material or different regions of the shield sleeve are regulated and controlled through magneto-electricity anisotropy, megneto-conductive anisotropy and conductive anisotropy; the device comprises a pump body, a shell, a bearing, a rotary shaft, a rotor iron core, a rotor winding, a rotor shield sleeve end part, a rotor shield sleeve middle part, a rotor shield end plate, a thrust plate, a stator iron core, a stator shield sleeve end part, a stator shield sleeve middle part and a stator shield sleeve end part. According to the invention, an effective non-magnetism-conducting gap between the stator and the rotor is greatly reduced and is equal to the gap of a common motor; the magnetizing current of the motor is greatly reduced and the power consumption is lowered; the efficiency of the shield pump motor and the power factor are remarkably improved; the energy-saving effect is remarkable; and the problem of omniseal transmission of the shield pump by virtue of high consumption and low quality is solved.
Description
Technical field
The present invention relates to a kind of designing technique of special motor, particularly relate to a kind of canned pump motor energy-conservation of consumption reduction method and apparatus, belong to sealing drive technology and specific type of electric machine technical field in power engineering.It is mainly used in the electric driving that requires stationary seal and leak free full-sealing device, can be used for shielded electric pump, magnetic drive pump, magnetic agitation reactor, Magnetic valves, Vacuum Magnetic driving arrangement, magnetic drive detecting instrument and other magnetic drives system.
Background technology
At present, be mainly used in the shielded electric pump in the fields such as nuclear power, military project, oil, chemical industry, refrigeration, medicine, food service industry and bioengineering, need to adopt complete close measure to be shielded corrosivity, hypertoxicity, radioactivity, inflammable and explosive, volatile and high temperature or precious liquid.By canned pump motor and pump combined integrated without revealing shielded electric pump, be the exemplary apparatus of hermetically sealed magnetic drives, its structure comprises the parts such as stator and stator can, rotor and rotor shielding sleeve, outlet box, impeller, the pump housing, casing, thrust collar, rotating shaft, front and back bearings chamber and inner bearing and bearing holder (housing, cover), owing to there is no movable sealing, realized transport materials and do not leaked completely.The stator and rotor housing of canned pump motor is all made by high pressure resistant, corrosion-resistant, high strength, high resistance, good heat conducting material, and must be non-magnet_conductible material, otherwise the air-gap field of motor will be by short circuit, and even motor cannot be worked; Magnetic conduction rotor housing strengthens the effective electromagnetism gap between stator and rotor, reaches the several times of common electric machine air gap, makes canned pump motor exciting current very large, and power factor is low; Meanwhile, rotating magnetic field can produce eddy current in rotor housing, causes electric pump power consumption to increase, and shielded motor efficiency is more much lower with the common electric machine of number of poles than same power.Can say, existing canned pump motor all be take and is sacrificed energy index and by highly energy-consuming, exchange positive confinement for as cost, innovation, progress and product quality that this state of the art is seriously restricting shield technology always promote, and have wasted but also are continuing wasting a large amount of non-renewable valuable energy.
Summary of the invention
Object of the present invention is just to overcome prior art above shortcomings, in order to solve the problem of tradition shielding pump motor highly energy-consuming, propose a kind ofly to regulate and control housing magnetoelectricity anisotropic properties and reduce the wastage and raise the efficiency and new method and the canned pump motor of power factor.Novelty of the present invention and creative be that the method for itself and existing raising motor efficiency is essentially different, as embodiments of the invention, it is for the moulding of shield gasket and the rotor shield cover structure of canned pump motor stator rotor assembly, can realize the goal of the invention that not only reduces discharging environmental protection but also energy-conservation of consumption reduction.
The technical solution that the present invention provides is: this canned pump motor energy-conservation of consumption reduction method, be characterized in: in canned pump motor, metallic shield cover consists of region magnetoelectricity anisotropic material or housing zones of different process magnetoelectricity anisotropy regulation and control processing, the regulation and control of magnetic conductivity anisotropy are in order to reduce the roadlock of energy converting between mechanical, thereby reduce the exciting curent of canned pump motor, and then reduce unloaded and load current with the reduction loss relevant to electric current, raise the efficiency and power factor; Conductivity anisotropy regulates and controls in order to increase eddy current resistance, thereby suppresses eddy current, reducing vortex loss, further to raise the efficiency.
This canned pump motor that the present invention provides comprises the pump housing 1, housing 3, bearing 2, rotating shaft 15, rotor core 9, rotor winding 11, rotor shielding sleeve end 6, rotor shielding sleeve middle part 10, rotor shielding sleeve end 12, rotor shielding end plate 16, thrust collar 13, stator core 7, stator winding 4, stator can end 5, stator can middle part 8 and stator can end 14, is characterized in; Canned pump motor stator housing is by the stator can middle part 8 that needs work magnetic flux flow to cross corresponding to stator core 7 axial length regions and do not allow the stator can end 5 and 14 that work magnetic flux flow is crossed to form corresponding to the axial region beyond stator core 7, and its rotor shielding sleeve is by the rotor shielding sleeve middle part 10 that needs work magnetic flux flow to cross corresponding to rotor core 9 axial length regions and do not allow the rotor shielding sleeve end 6 and 12 that work magnetic flux flow is crossed to form corresponding to the axial region beyond rotor core 9.
In order to strengthen the reasonability of such scheme, the present invention also comprises following additional technical feature:
The metallic shield of described energy-conservation of consumption reduction canned pump motor is enclosed within the region of the magnetic flux circulation of need to working, and regulates and controls into good magnetic conductivity, and regulate and control into poor magnetic conductivity in other direction in this region along the direction that is conducive to the circulation of work magnetic flux.
The metallic shield of described energy-conservation of consumption reduction canned pump motor is enclosed within the region that does not need the circulation of work magnetic flux, and these region all directions are regulated and controled into poor magnetic conductivity.
The metallic shield of described energy-conservation of consumption reduction canned pump motor is enclosed within the region of eddy current circulation, along eddy current circulating direction, regulates and controls into poor conductivity.
The magnetoelectricity anisotropic properties of the metallic shield cover material of described energy-conservation of consumption reduction canned pump motor is selected or the regulation and control of magnetoelectricity anisotropic properties should be coordinated to carry out, and its magnetoelectricity anisotropy regulating effect determines and affect the effect of canned pump motor energy-conservation of consumption reduction.
Compared with prior art, beneficial effect of the present invention is: the housing that adopts the technology of the present invention to make can effectively increase work magnetic flux, minimizing leakage flux, the inhibition eddy current of canned pump motor, has improved transmission efficiency, has dwindled screening arrangement volume.With regard to a kind of embodiment canned pump motor, the present invention significantly reduces the effective non-magnetic gap between stator and rotor, can accomplish identical with common electric machine air gap, motor exciting curent significantly declines, power-dissipation-reduced, canned pump motor efficiency and power factor obviously improve, and energy-saving effect is remarkable.Commercial application of the present invention, by thoroughly solve to rely on high energy consumption and low-qualityly obtain a difficult problem for the hermetically sealed transmission of canned pump for cost, reaches the doulbe-sides' victory effect of reduction of discharging environmental protection and energy-conservation of consumption reduction.
Accompanying drawing explanation
Fig. 1 is for adopting embodiments of the invention shielded electric pump structural representation;
Fig. 2 a and Fig. 2 b are the stator can structural representation of embodiment of the present invention canned pump motor;
Fig. 3 a and Fig. 3 b are the rotor shielding sleeve structural representation of embodiment of the present invention canned pump motor;
Fig. 4 is the characteristic working curve figure of embodiment of the present invention canned pump motor and tradition shielding pump motor model machine.
Number in the figure is described as follows:
1 pump housing, 2 bearings, 3 housings, 4 stator winding, 5 stator can ends, 6 rotor shielding sleeve ends, 7 stator cores, 8 stator can middle parts, 9 rotor cores, 10 rotor shielding sleeve middle parts, 11 rotor windings, 12 rotor shielding sleeve ends, 13 thrust collars, 14 stator can ends, 15 rotating shafts, 16 rotor shielding end plates, I
1for input current, P
1for input power,
for power factor, η are efficiency, P
2for power output.
Embodiment
Below in conjunction with drawings and Examples, concrete technical scheme of the present invention is described further:
As shown in Fig. 1～Fig. 3 a and Fig. 3 b, a device for carrying out said of the present invention is a kind of shielded electric pump, comprises the pump housing 1, housing 3, bearing 2, rotating shaft 15, rotor core 9, rotor winding 11, rotor shielding sleeve end 6, rotor shielding sleeve middle part 10, rotor shielding sleeve end 12, rotor shielding end plate 16, thrust collar 13, stator core 7, stator winding 4, stator can end 5, stator can middle part 8 and stator can end 14.Canned pump motor stator housing is by the stator can middle part 8 that needs work magnetic flux flow to cross corresponding to stator core 7 axial length regions and do not allow the stator can end 5 and 14 that work magnetic flux flow is crossed to form corresponding to the axial region beyond stator core 7; Its rotor shielding sleeve is by the rotor shielding sleeve middle part 10 that needs work magnetic flux flow to cross corresponding to rotor core 9 axial length regions and do not allow the rotor shielding sleeve end 6 and 12 that work magnetic flux flow is crossed to form corresponding to the axial region beyond rotor core 9.
The stator of canned pump motor forms and comprises stator core 7, stator winding 4, stator can end 5, stator can middle part 8, stator can end 14 and end cap casing 3.Stator core 7 laminates and makes after adopting the thick silicon steel sheet fluting of 0.5mm to paint, and stator winding 4 adopts enamelled wire to turn to by design winding, and carries out varnished insulation processing after in the groove that embeds stator core 7 punching; Stator can middle part 8 by the thick edge of 0.5mm need to work magnetic flux circulating direction be sheet metal thickness direction that is radially carry out the rolling of good magnetic conduction orientation or along sheet metal thickness direction radially carry out good magnetic conduction regulation and control, along vortex flow direction, axially differ from the stainless steel coiled sheet welding forming of conductivity regulation and control or be spun into jointless structure simultaneously; Stator can end 5 and 14 is corresponding to the region, both ends beyond stator core 7 length, adopts the thick edge of 0.5mm not need that work magnetic flux circulating direction axially differs from magnetic conductivity regulation and control or non-magnetic stainless steel SUS316L plate or non magnetic, high resistance, high strength Hastelloy-C (Ha Shi-C) alloy-steel plate, along vortex flow direction, be stainless steel coiled sheet welding welding forming or the mould pressing jointless structure that circumferencial direction differs from conductivity regulation and control simultaneously; Stator can end 5 and 14 and 8 welding of stator can middle part form stator can assemblies, be pressed into two ends and casing 3 welded seals after stator core 7 inner circles.
The rotor body of canned pump motor comprises rotor core 9, rotor winding 11, rotor shielding sleeve end 6, rotor shielding sleeve middle part 10, rotor shielding sleeve end 12, rotor shielding end plate 16, rotating shaft 15 and thrust collar 13.Rotor core 9 laminates and makes after adopting the thick silicon steel sheet of 0.5mm to slot, and in the rotor of rotor winding 11 by punching in rotor core 9, insert electric conducting material and form loop, can be Wound-rotor type and squirrel-cage, rotor shielding sleeve middle part 10 by the thick edge of 0.5mm need to work magnetic flux circulating direction be sheet metal thickness direction that is radially carry out the rolling of good magnetic conduction orientation or along sheet metal thickness direction that is radially carry out stainless steel coiled sheet welding forming or mould pressing jointless structure good magnetic conduction regulation and control, axially differ from conductivity regulation and control along vortex flow direction simultaneously, rotor shielding sleeve end 6 and 12 is corresponding to the region, both ends beyond rotor core 9, adopt the thick edge of 0.5mm not need work magnetic flux circulating direction axially to carry out each regulates and controls to poor magnetic conductivity or non-magnetic stainless steel SUS316L or non magnetic, high resistance, high strength Hastelloy-C (Ha Shi-C) alloy-steel plate, along vortex flow direction, be corrosion resistant plate welding forming or the mould pressing jointless structure that circumferencial direction differs from conductivity regulation and control simultaneously, rotor shielding sleeve end 6 and 12 and 10 welding of rotor shielding sleeve middle part form rotor shielding sleeve assemblies, be pressed into two ends and stainless steel rotor shielding end plate 16 and rotating shaft 15 welded seals after rotor core 9 cylindricals.Rotor shielding end plate 16 adopts non-magnetic stainless steel SUS316L or non magnetic, high resistance, high strength Hastelloy-C (Ha Shi-C) alloy-steel plate to make, and rotating shaft 15 adopts the round steel of 1Cr18Ni9Ti or 1Cr17Ni2 material through turning processing and manufacturing.
In canned pump motor, the good magnetic conduction of housing stainless steel material orientation rolling Ke steel rolling mill carries out, be similar to rolling technique and the technique of oriented silicon steel disc of the prior art well known to those skilled in the art, the good magnetic conduction regulation and control of orientation of housing stainless steel material can disturb the Method and process of location to realize by the activation of heating of the prior art well known to those skilled in the art, high-intensity magnetic field excitation orientation and laser; Each of housing stainless steel material realized to the Method and process that the different in nature regulation and control of conduction can be mixed by the activation of heating of the prior art well known to those skilled in the art, molecule infiltration, ion exchange, element, semiconducting crystal and laser disturb.
Implement model machine
For method correctness of the present invention, technical feasibility and engineering practicability are described, inventor has developed the canned pump motor that adopts the technology of the present invention and the canned pump motor model machine that adopts traditional metal housing; Model machine utilizes the Dalian phase asynchronous canned pump motor of the sea Mi Tikebeng industry N34L-2 of Co., Ltd type 8.0kW to reequip, contrast model machine other structure, size and parameter except shield cover structure and material is all identical, and the shield cover structure feature of model machine is as listed in table 1.Housing adopts coiled sheet argon arc welding, press-fits two ends welding encapsulation after spinning is round as a ball.
Table 1 prototype structure feature description
Canned pump motor of the present invention and tradition shielding pump motor model machine main performance index are as listed in table 2, characteristic working curve as shown in Figure 4, I in figure
1for input current, P
1for input power,
for power factor, η are efficiency, P
2for power output.
It is that energy-saving effect is obvious that canned pump motor of the present invention is raised the efficiency, no-load saving 45.94%, energy index
improve 11.24%; Particularly, canned pump motor model machine power factor 0.916 of the present invention has surpassed the level 0.88 approximately 4.1% of the common Y-series motor of close specification.
The contrast of table 2 model machine main performance index
Claims (3)
1. a canned pump motor energy-conservation of consumption reduction method, it is characterized in that: in canned pump motor, metallic shield cover zones of different is through magnetoelectricity anisotropy regulation and control processing, the regulation and control of magnetic conductivity anisotropy are in order to reduce the roadlock of energy converting between mechanical, reduce the exciting curent of canned pump motor, and then reduce unloaded and load current with the reduction loss relevant to electric current, raise the efficiency and power factor; The regulation and control of conductivity anisotropy are in order to increase eddy current resistance; thereby suppress eddy current, reducing vortex loss; wherein said canned pump motor metallic shield cover is stator can and rotor shielding sleeve; the metallic shield of canned pump motor stator and rotor is enclosed within the region of the magnetic flux circulation of need to working; along the direction that is conducive to work magnetic flux circulation, regulate and control into good magnetic conductivity, and other direction in this region regulates and controls into poor magnetic conductivity; The metallic shield of canned pump motor stator and rotor is enclosed within the region that does not need the circulation of work magnetic flux, and these region all directions are regulated and controled into poor magnetic conductivity; The metallic shield of canned pump motor stator and rotor is enclosed within the region of eddy current circulation, along eddy current circulating direction, regulates and controls into poor conductivity.
2. a canned pump motor, comprise the pump housing (1), housing (3), bearing (2), rotating shaft (15), rotor core (9), rotor winding (11), rotor shielding sleeve, rotor shielding end plate (16), thrust collar (13), stator core (7), stator winding (4), stator can, it is characterized in that, the stator can of canned pump motor is metallic shield, by the stator can middle part (8) that needs work magnetic flux flow to cross corresponding to stator core (7) axial length region with corresponding to stator core (7) axial region in addition, do not allow stator can end (5) and stator can end (14) that work magnetic flux flow is crossed to form, its rotor shielding sleeve is metallic shield, by the rotor shielding sleeve middle part (10) that needs work magnetic flux flow to cross corresponding to rotor core (9) axial length region with corresponding to rotor core (9) axial region in addition, do not allow rotor shielding sleeve end (6) and rotor shielding sleeve end (12) that work magnetic flux flow is crossed to form, wherein:
The metallic shield of canned pump motor stator and rotor is enclosed within the region of the magnetic flux circulation of need to working, and along the direction that is conducive to the circulation of work magnetic flux, regulates and controls into good magnetic conductivity, and other direction in this region regulates and controls into poor magnetic conductivity;
The metallic shield of canned pump motor stator and rotor is enclosed within the region that does not need the circulation of work magnetic flux, and these region all directions are regulated and controled into poor magnetic conductivity;
The metallic shield of canned pump motor stator and rotor is enclosed within the region of eddy current circulation, along eddy current circulating direction, regulates and controls into poor conductivity.
3. canned pump motor according to claim 2, the magnetoelectricity anisotropic properties that it is characterized in that the metallic shield cover material of canned pump motor stator and rotor selects or the regulation and control of magnetoelectricity anisotropic properties should be coordinated to carry out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010561159.2A CN102480174B (en) | 2010-11-25 | 2010-11-25 | Energy-saving and consumption-reducing method and device of shield pump motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010561159.2A CN102480174B (en) | 2010-11-25 | 2010-11-25 | Energy-saving and consumption-reducing method and device of shield pump motor |
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| Publication Number | Publication Date |
|---|---|
| CN102480174A CN102480174A (en) | 2012-05-30 |
| CN102480174B true CN102480174B (en) | 2014-08-06 |
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| CN201010561159.2A Expired - Fee Related CN102480174B (en) | 2010-11-25 | 2010-11-25 | Energy-saving and consumption-reducing method and device of shield pump motor |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888042A (en) * | 2017-12-27 | 2018-04-06 | 山东德源泵业有限公司 | Submersible asynchronous motor |
| CN110929407B (en) * | 2019-11-29 | 2021-06-08 | 清华大学 | Energy efficiency evaluation method of shielding electric pump for heating |
| CN111614210B (en) * | 2020-05-28 | 2022-04-01 | 沈阳工业大学 | Low-eddy-current-loss high-efficiency canned motor pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420151A (en) * | 2007-10-22 | 2009-04-29 | 沈阳工业大学 | Shielding pump having axial directional permanent magnetic pulling force disk |
| CN101446291A (en) * | 2007-11-27 | 2009-06-03 | 沈阳工业大学 | High-efficiency shield pump |
| CN201910675U (en) * | 2010-11-25 | 2011-07-27 | 沈阳工业大学 | Energy-saving and consumption-reducing canned motor pump motor |
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2010
- 2010-11-25 CN CN201010561159.2A patent/CN102480174B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420151A (en) * | 2007-10-22 | 2009-04-29 | 沈阳工业大学 | Shielding pump having axial directional permanent magnetic pulling force disk |
| CN101446291A (en) * | 2007-11-27 | 2009-06-03 | 沈阳工业大学 | High-efficiency shield pump |
| CN201910675U (en) * | 2010-11-25 | 2011-07-27 | 沈阳工业大学 | Energy-saving and consumption-reducing canned motor pump motor |
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| CN102480174A (en) | 2012-05-30 |
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