CN1200502C - Permanent-magnet brushless generator and making method - Google Patents
Permanent-magnet brushless generator and making method Download PDFInfo
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- CN1200502C CN1200502C CN 01116095 CN01116095A CN1200502C CN 1200502 C CN1200502 C CN 1200502C CN 01116095 CN01116095 CN 01116095 CN 01116095 A CN01116095 A CN 01116095A CN 1200502 C CN1200502 C CN 1200502C
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Abstract
The present invention relates to a permanent-magnetic brushless generator and a production method, which has the technical scheme that magnetism-conducting materials of a rotor of the generator are made of excess materials for punching inner circular punch plates of stator cores, and a permanent magnet is tangentially arranged; the stator cores are distributed at the periphery of a first-stage magnetism separation ring made of non-magnetic materials; the opening of a magnet hole is provided with a slot wedge composed of a second-stage magnetism separation barrier chip; a motor stator is in a continuous embedded structure. The permanent-magnetic brushless generator has the advantages of simple structure, reliably work, small volume, light weight, high efficiency, double-pole magnetism separation, etc.
Description
Technical field
The present invention relates to a kind of manufacture method of generator.
Background technology
In the prior art, traditional generator is improved, just finished one pole every magnetic.This structural small change can not be jumped out the scope of conventional electric generators structure.For example: install magnet axis side, be unable to do without traditional casting steel claw utmost point magnetic inductive block, and this pawl utmost point magnetic inductive block one is wanted smart casting, and two want fine finishining, and the 3rd, the big Heavy Weight of body, and magnetic conduction intensity is not high.Described traditional improvement way be with two pawl pole axis to laying, one of them utmost point and axle are carried out every magnetic, install magnetism-isolating loop additional, the loop of the cut-out magnetic line of force between the pawl utmost point and the axle.
As everyone knows, generator wishes that all magnetic field is strong, and electric current could be big, and the magnetic line of force passes stator core and coil is got back to the S utmost point from the N utmost point, forms closed magnetic loop, and the engine drawing generator sends electricity and comes.Therefore, two N-S utmost points of generator magnet will just can carry out reliably stopping leakage field every magnetic with nonmagnetic substance, must not allow N-S extremely directly form magnetic loop.
As previously mentioned, one pole is feasible every the way of magnetic, but does not overcome the cost height, operation is many, and processing capacity is big, and the big quality of body heavily waits shortcoming, for reaching one pole, increase non-magnetic material aluminium or brass ring on the contrary, be enclosed within on the magnetic partiting ring extremely jointly with single pawl every magnetic, therefore, increase cost and operation work time cost, sent the worry that stays mechanical strength simultaneously, can not interference be equipped with again, one interference permanent magnets will be broken, is easy to the pawl utmost point and takes place to become flexible with axle, and whole generator is scrapped.Again because have only a pawl utmost point and axle every magnetic, another utmost point not every, directly by spool and iron-core coil, leakage flux is big, directly weakened the fluxoid degree, magnetic field does not by force influence whole energy output.
Summary of the invention
The purpose of this invention is to provide a kind of bipolarly, carry fan, the manufacture method of integrated permanent-magnet brushless generator every magnetic.
The manufacture method of a kind of permanent-magnet brushless generator of the present invention is characterized in that: utilize the clout that circle sweeps away in the punching out electricity generator stator core to come punching out rotor magnetic conductor, and sweep away clout external diameter reservation 0.3 to 0.35mm size correct grinding limit; This punching circumference evenly distributes, and several lay the slotted eye of permanent magnet; The core length of punching according to the power of design generator carried out closed assembly, presses, become a complete rotor conductor; Described slotted eye is loaded onto emery stick or groove sample piece is sealed notch, the assembly of rotor magnetic conductor is placed in the cast aluminium die casting, by aluminium alloy that the magnetic conduction silicon steel sheet is molten sticking as a whole, magnet magnetic conduction two ends are formed for cooling off carries fan; After opening mold, rotor magnetic conductor assembly is hit heart perforation to two ends on lathe, be pressed into axle; Finish grind on cylindrical grinder, mill exposes till several slotted eyes of laying permanent magnets, splits out the module or the emery stick that prevent that in advance liquid aluminium from flowing into; Stamping the material material on notch is aluminium sheet or the slot wedge of pressing layer glass filament plate; The rotor assembly of laying permanent magnet is preheating to 40-60 ℃, soaks antirust paint with anti-oxidation after 2-4 hour, the surplus lacquer secondary of drip-dry dryouies behind the dipping lacquer, and first low temperature 30-40 ℃, back high temperature 40-60 ℃ 4h; Cooled rotor assembly carries out dynamic balance check; Stator core thickness is 0.5mm, and the height of notch is 1.5-2mm, and iron core slot is lower than circle 1.5-2mm in the iron core, forms several air ducts; Stator winding is for connecting around connecting embedding chain type winding technology, and three phase windings embed simultaneously, by an empty groove, embedding one groove, the three embedding methods that alternate, directly with the three-phase sextupole totally 18 circle embeddings intact till, embed at last one mutually a utmost point reserve limit, road (every phase winding is reserved connector lug at last) completion.
Aforesaid a kind of permanent-magnet brushless generator manufacture method, it is characterized in that: the generator housing two ends have several to pass through the hole, the generator two end cap is pressed in the stator case with the method interference fits of collapsing, described engine front and rear cover is an aluminium alloy compression casting, and its end cap is put and carried out-70 ℃ deep cooling in the drikold or be placed on the deep cooling that carries out-190 ℃ in the liquid air.
Aforesaid a kind of permanent-magnet brushless generator manufacture method is characterized in that: stator core selects for use DR 265-0.5 not have the orientation hot rolled silicon steel sheet.
Aforesaid a kind of permanent-magnet brushless generator manufacture method is characterized in that: the dust cover of described fan is to be made by the steel yarn, and steel yarn dust cover four limits are by the iron sheet bound edge, and the counterpart place is lived with soldering recessed pressing for saw shape limit is protruding; 1.0mm under the ventilation window place car installs dust cover outside casing.-0.5 does not have the orientation hot rolled silicon steel sheet.
The present invention compares with traditional generator has following advantage:
1. simple in structure, reliable operation, the little light weight of volume carries fan, and is bipolar every magnetic, and mouth is compared with conventional motors, saves material 1/2nd, has saved 2/5ths man-hour.
2. eliminate radio and done anti-source.Because of absence of collector on the structure, the sliding contact of brush has reduced radio interference electromagnetic wave.
3. efficient height, energy consumption is little, and not electricity consumption of vehicle motor excitation can be raised the efficiency 10%-15%.
4. whole robustness is good, and whole assembling need not a bolted.
But 5. three-phase stator winding connected mode copper-saving, processing performance is good, convenient shaping, stressed unanimity during shaping guarantees insulation property, mechanical degrees is good.
Description of drawings
Fig. 1 is that permanent-magnet brushless generator rotor core of the present invention gives the silicon steel sheet shape schematic diagram that stays the correct grinding limit.
Fig. 2 is the silicon steel sheet shape schematic diagram behind the permanent-magnet brushless generator rotor core correct grinding of the present invention.
Fig. 3 is a permanent-magnet brushless generator rotor assembly structural representation of the present invention.
Fig. 4 is a permanent-magnet brushless generator stator core shape schematic diagram of the present invention.
Fig. 5 is a permanent-magnet brushless generator stator winding precedence diagram of the present invention.
Fig. 6 is permanent-magnet brushless generator three-phase half controlled bridge regulator rectifier circuit figure of the present invention.
Embodiment
A kind of permanent-magnet brushless generator of the present invention is made up of stator and rotor two parts, and rotor core is by behind one group of silicon steel plate stacking, is fixed in the one-level magnetism-isolating loop periphery that nonmagnetic substance constitutes, and forms the outer ring of rotor; Be evenly distributed with the permanent magnetism body opening position that several even numbers are arranged on this silicon steel sheet; The inboard end in described permanent magnetism body opening position is for falling trapezoidal shape, and the outer of described one-level magnetism-isolating loop has corresponding structure, and by the disposable one that is cast into of compression mod; Described permanent magnetism body opening position outer port part is provided with the slot wedge hole, carves the double as secondary by non magnetic groove and places slot wedge hole fixed magnets every the magnetic catch; Between described magnet the two poles of the earth tangential the setting; In the axial both sides of described rotor be described one-level magnetism-isolating loop and with the fans of its one; Described one-level magnetism-isolating loop is nested with in rotating shaft; Described stator core wire embedding slots number is 2 times of magnet, its winding for connect around, connect the embedding chain structure.
Structure of the present invention is seen accompanying drawing:
The permeability magnetic material of making rotor permanent magnet is without the casting steel claw utmost point, and the round clout that sweeps away comes punching out rotor magnetic conductor in the punching out electricity generator stator core but utilize.Concrete processing way is on the design punch die circle in the stator to be swept away the clout external diameter to give and stay 0.3 to 0.35mm correct grinding limit, and punching out goes out rotor magnetic conductor silicon steel punching, after laminate out rotor magnetic conductor iron core.The correct grinding limit purpose of 0.3-0.35mm that circumference stays is that the lamellar body that punching out is become can not scatter, and is convenient to closed assembly, and 12 slotted eyes of laying permanent magnet of the even branch of this punching circumference are so that after all procedure technology is finished, install permanent magnets with tangential manner.The lamellar body before the correct grinding is not seen Fig. 1, the 1st, give the 0.3-0.35mm correct grinding limit of staying, and the 2nd, slot wedge notch, the 3rd, the position, hole that permanent magnet is installed, the 4th, magnetic conduction sheet.Lamellar body behind the correct grinding is seen Fig. 2, the 5th, and the slot wedge hole, the 6th, non-magnetic slot-seal double as secondary is every the magnetic catch, and the 7th, be distributed in the permanent magnet in 12 slotted eyes, the 8th, nonmagnetic body material one-level magnetism-isolating loop, the 9th, the rotational axis hole of rotor.
Punching is carried out closed assembly according to the core length of power of design generator, press, riveting becomes a complete rotor conductor.And several slotted eyes are loaded onto emery stick or groove sample piece is sealed the slotted eye mouth, in case aluminium liquid enters in the slotted eye during die casting.
The assembly of rotor magnetic conductor is placed in the cast aluminium die casting.
The function of compression mod: one, finish magnetic pole and the axle between every the magnetic function; Two, by aluminium alloy that the magnetic conduction silicon steel sheet is molten sticking as a whole; Three, the magnet magnetic conductor two ends fan that is formed for cooling off is bipolar every magnetic, carries fan and makes thus.
After opening compression mod, it is exactly bipolar every magnetic taking out workpiece, carries the rotor magnetic conductor assembly of fan, sees Fig. 3, and wherein 10 is axles, and the 11st, the aluminium alloy fans.
Rotor magnetic conductor assembly is hit heart perforation to two ends on lathe, be pressed into axle.
Finish grind on cylindrical grinder, mill exposes till several slotted eyes of laying permanent magnets, splits out the module or the emery stick that prevent that in advance liquid aluminium from flowing into.After cleaning out, lay permanent magnets.Behind what a magnetic patch of every installation, stamp slot wedge at notch, slot wedge material is aluminium sheet or presses layer glass filament plate.
Slot wedge has second utmost point concurrently every the magnetic function, bipolarly comes therefrom every magnetic, and for example: die casting aluminium is shaped between the N utmost point and the axle, and it is the nonmagnetic body material that outer S utmost point open slot is stamped slot wedge, and N, S are extremely all every magnetic, and be worthy of the name bipolar every magnetic.
The rotor assembly of laying permanent magnet is preheating to 40-60 ℃, soaks antirust paint with anti-oxidation after 2-4 hour, the surplus lacquer secondary drying of drip-dry behind the dipping lacquer, first low temperature 30-40 ℃, back high temperature 40-60 ℃ 4 hours.Cooled rotor assembly is the calibration dynamic balancing on dynamic balancing equipment, carries out verification " dynamic balancing " with the loss of weight method.
Stator ferrite core is selected materials does not have orientation hot-rolled steel silicon steel sheet for DR265-0.5.Thickness is 0.5mm (stator core stamping sheet), and the notch height is 1.5-2mm, squeeze into slot wedge after, iron core slot is lower than circle 1.5-2mm in the iron core, forms 36 air ducts, motor hot blast in the running goes out, cold wind advances, cooling motor, the reduction temperature rise increases the service life.The stator core stamping chip architecture is seen Fig. 4, the 12nd, and line embedding groove, the 13rd, stator core stamping sheet, the 14th, stator core internal diameter.
Motor windings changes the installation on traditional three planes, adopt the technology of high-voltage motor winding, the company of being designed to is around connecting embedding chain type pattern winding, three phase windings embed simultaneously, by an empty groove, embedding one groove, three alternate the embedding method by that analogy, until with the three-phase sextupole totally 18 take turns embedding intact till, embed at last one mutually a utmost point reserve the completion of first limit.Concrete structure is seen Fig. 5.
Generator housing changes each form with four bolted of traditional two ends, newly being designed to the stator interior two ends of rotor and carrying fan blade, is the radial ventilation formula, thereby three big ventilation holes of rectangle are arranged between generator unit stator casing two ends, under the effect of fan blade, wind is flowed out by radial inflow in machine.
Each three big ventilating opening cylindrical of stator case two ends are equipped with dust cover, and dust cover is made by the steel yarn, and steel yarn dust cover four limits are by the sheet iron bound edge, and counterpart is lived with soldering recessed pressing for saw shape limit is protruding outward.1.0mm under the ventilator cowling window place car installs dust cover outside casing, and the surface is concordant, beautiful.
Generator two end cap (one in front and one in back) changes traditional bolted method of using, and is pressed in the stator case with the method interference fits of collapsing, and the whole generating machine is radially smooth smooth, and mechanical strength is high on the contrary, and error is minimum.
Concrete grammar is that generator housing is made up of three parts, and the stage casing stator case is made by the casting carbon steel, and ventilation window disposable casting in two ends forms, rather than machine work forms, and has saved many man-hours, splashes the housing heating bloated before installing.
The generator front and rear cover is an aluminium alloy compression casting, processes.Its end cap bonding crack interference fits, bonding crack 5-8mm adopts and to collapse two kinds of ways and combine, and whole assembling need not a screw, reduces a lot of amount of machining, the smooth mechanical strength height of overall leveling.
Rectifying and voltage-stabilizing circuit (specially referring to automobile current generator) is formed " half control bridge " by three diodes and three thyristors.Three thyristor negative electrodes link to each other, and the negative electrode of three silicon diodes links to each other, the mouth trigger voltage has three groups, be added on the respective transistor respectively, but three groups of trigger voltages must be synchronous with the main circuit three phase mains, differ 120 degree each other respectively, every group of trigger voltage shifted to scope 0 degree-180 degree, when a＜60 are spent, output voltage waveforms is continuous, output voltage waveforms is just discontinuous after a＞60 degree, operation principle in view of the above, and output voltage was stablized when equipped good circuits for triggering reached rotation speed change.
Claims (4)
1. the manufacture method of a permanent-magnet brushless generator is characterized in that: utilize the clout that circle sweeps away in the punching out electricity generator stator core to come punching out rotor magnetic conductor, and sweep away clout external diameter reservation 0.3 to 0.35mm size correct grinding limit; This punching circumference evenly distributes, and several lay the slotted eye of permanent magnet; The core length of punching according to the power of design generator carried out closed assembly, presses, become a complete rotor conductor; Described slotted eye is loaded onto emery stick or groove sample piece is sealed notch, the assembly of rotor magnetic conductor is placed in the cast aluminium die casting, by aluminium alloy that the magnetic conduction silicon steel sheet is molten sticking as a whole, magnet magnetic conduction two ends are formed for cooling off carries fan; After opening mold, rotor magnetic conductor assembly is hit heart perforation to two ends on lathe, be pressed into axle; Finish grind on cylindrical grinder, mill exposes till several slotted eyes of laying permanent magnets, splits out the module or the emery stick that prevent that in advance liquid aluminium from flowing into; Stamping the material material on notch is aluminium sheet or the slot wedge of pressing layer glass filament plate; The rotor assembly of laying permanent magnet is preheating to 40-60 ℃, soaks antirust paint with anti-oxidation after 2-4 hour, the surplus lacquer secondary of drip-dry dryouies behind the dipping lacquer, and first low temperature 30-40 ℃, back high temperature 40-60 ℃ 4h; Cooled rotor assembly carries out dynamic balance check; Stator core thickness is 0.5mm, and the height of notch is 1.5-2mm, and iron core slot is lower than circle 1.5-2mm in the iron core, forms several air ducts; Stator winding is for connecting around connecting embedding chain type winding technology, and three phase windings embed simultaneously, by an empty groove, embedding one groove, the three embedding methods that alternate, until with the three-phase sextupole totally 18 circle embeddings intact till, embed at last one mutually a utmost point reserve the completion of limit, road.
2. the manufacture method of a kind of permanent-magnet brushless generator as claimed in claim 2, it is characterized in that: the generator housing two ends have several to pass through the hole, the generator two end cap is pressed in the stator case with the method interference fits of collapsing, described engine front and rear cover is an aluminium alloy compression casting, and its end cap is put and carried out-70 ℃ deep cooling in the drikold or be placed on the deep cooling that carries out-190 ℃ in the liquid air.
3. the manufacture method of a kind of permanent-magnet brushless generator as claimed in claim 2, it is characterized in that: stator core selects for use DR 265-0.5 not have the orientation hot rolled silicon steel sheet.
4. as the manufacture method of claim 1 or 3 described a kind of permanent-magnet brushless generators, it is characterized in that: the dust cover of described fan is to be made by the steel yarn, and steel yarn dust cover four limits are by the iron sheet bound edge, and the counterpart place is lived with soldering recessed pressing for saw shape limit is protruding; 1.0mm under the ventilation window place car installs dust cover outside casing.-0.5 does not have the orientation hot rolled silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01116095 CN1200502C (en) | 2001-05-16 | 2001-05-16 | Permanent-magnet brushless generator and making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01116095 CN1200502C (en) | 2001-05-16 | 2001-05-16 | Permanent-magnet brushless generator and making method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1385938A CN1385938A (en) | 2002-12-18 |
| CN1200502C true CN1200502C (en) | 2005-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01116095 Expired - Fee Related CN1200502C (en) | 2001-05-16 | 2001-05-16 | Permanent-magnet brushless generator and making method |
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| Country | Link |
|---|---|
| CN (1) | CN1200502C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814800A (en) * | 2010-04-08 | 2010-08-25 | 邹定锦 | Production process method of motor |
| CN102223042A (en) * | 2010-04-19 | 2011-10-19 | 杨中兴 | Birotor four-drive rare-earth permanent-magnetism direct-current (dc) brushless motor |
| CN101917075A (en) * | 2010-05-18 | 2010-12-15 | 李春光 | Punching sheet magnetic pole permanent magnet motor rotor |
| CN102570666A (en) * | 2012-01-22 | 2012-07-11 | 浙江大学 | Tangential permanent magnet synchronous motor rotor structure |
| CN103618415A (en) * | 2013-12-01 | 2014-03-05 | 张学义 | Production method of claw pole excitation generator with brush |
| CN103618420A (en) * | 2013-12-05 | 2014-03-05 | 山东理工大学 | Assembly method for radial and tangential permanent magnet generator rotor of an automobile |
| CN103683695A (en) * | 2013-12-05 | 2014-03-26 | 张学义 | Method for producing brushless claw-pole generator |
-
2001
- 2001-05-16 CN CN 01116095 patent/CN1200502C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1385938A (en) | 2002-12-18 |
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