CN101651374A - Self-cooling direct-current energy-saving motor of permanent magnetic module type - Google Patents
Self-cooling direct-current energy-saving motor of permanent magnetic module type Download PDFInfo
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- CN101651374A CN101651374A CN200910095471A CN200910095471A CN101651374A CN 101651374 A CN101651374 A CN 101651374A CN 200910095471 A CN200910095471 A CN 200910095471A CN 200910095471 A CN200910095471 A CN 200910095471A CN 101651374 A CN101651374 A CN 101651374A
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Abstract
The invention discloses a self-cooling direct-current energy-saving motor of a permanent magnetic module type, belonging to the technical field of power supply system equipment and comprising a main shaft 1, an end cover 4, a rotor module 5, magnetic steel bodies 6, a stator module 7, coils 8 and a Hall element 14 as main components. The self-cooling direct-current energy-saving motor of a permanent magnetic module type is characterized in that the coils 8 are coreless; a magnetic field is formed by magnetic force lines which are coupled by the magnetic steel bodies 6 in rotor shells at both sides of a coil plane; and after a pulse current is input, electromagnetic force action is generated to form a rotating torque which repulses the rotor module 5 to run. The magnetic force action is finished in the center of the magnetic field coupled by the coils and the magnetic steel bodies so that the motor has extremely great starting torque and working torque, prominently high energy conversion efficiency, small size, energy and material saving, low cost and convenient power amplification. Particularly, a self-cooling interface device is arranged in the motor so as to solve the inner heatdissipation problem of the large-power motor. The invention is extremely suitable for mass pipelining production.
Description
Technical field
The present invention relates to a kind of self-cooling direct-current energy-saving motor of permanent magnetic module type, belong to the electric power supply system equipment technical field.
Background technology
In the prior art before invention, permanent-magnet brushless DC electric machine normally adopts the tiling of magnet steel body to stick in the housing, main shaft is pressed into stator silicon steel plate, stator winding embeds in the silicon steel sheet, by the bearing supporting, end cap is housed on the rotor case, adopt the electronics commutation, send driving pulse by pulsqe distributor, remove drive motors for the circuit for power conversion of forming by power device.Its weak point is: 1. do not have cooling device, fail to solve the heat dissipation problem of motor internal.2. the silicon steel sheet iron core is arranged.3. because magnet steel body tiling sticks in the housing of external rotor, the gap and the coil distance of broad are arranged, therefore, limited the further raising of permanent magnetic field energy conversion efficiency apart from winding center, internal stator iron core magnetic field.4. coiling, rule, the motor manufacture method that baking finish etc. are traditional, operation is many, produces complexity, is unfavorable for increasing economic efficiency.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, the new technical scheme of utilization Brand, providing a kind of has from cooling off interface arrangement, and, simple in structure, starting current is little, output torque is big, permanent magnetic field utilance height, do not have iron core, the self-cooling direct-current energy-saving motor of permanent magnetic module type that energy conversion efficiency is high is realized.
Main solution of the present invention is: especially be to be provided with in the motor from cooling off interface arrangement, overcoming the heat dissipation problem of motor, this cool off certainly interface arrangement by: unidirectional valve (19), discharge opeing interface (20), conduction pipe (21), choke plug (22) constitute.
Main employing magnet steel body 6 setting-in respectively is fixed in the rotor module 5, rotor module is sleeved on the main shaft 1, by 3 supportings of the bearing in the end cap 4, end cap is provided with groove, the protruding circle sealing clamping of groove and stator modules 7, screw 1301, end cap is fixed on the stator modules 7, and stator modules is embedded to install coil 8, and winding wire passes pipeline 9 and is connected with controller 11, Hall element 14 is arranged on the end cap inboard, and the holding wire of this Hall element and controller 11 connect and compose; Feature is: do not have unshakable in one's determination in the coil 8, by the magnet steel body 6 in the coil plane both sides rotor module 5, the magnetic line of force of coupling, attract relatively by hub of a spool, constitute high-intensity magnetic field, behind the input pulse electric current, produce the electromagnetic force effect and form turning moment, the repulsion rotor module drives main shaft 1 running, and above-mentioned magneticaction is to finish in the magnetic field center of coil and the coupling of magnet steel body, so electric motor starting is steady, good linearity, noise is low, and during running, starting torque and work moment are big especially, energy conversion efficiency is very high, it is convenient to enlarge power, as long as increase the quantity of rotor module 5 and stator modules 7, just can increase the power output of motor; Especially be to be provided with in the motor from cooling off interface arrangement, overcoming the heat dissipation problem of motor internal, this cool off certainly interface arrangement by: unidirectional valve (19), discharge opeing interface (20), conduction pipe (21), choke plug (22) constitute.
Described rotor module 5, make toroidal by metal material, setting-in one circle magnet steel body 6 in the annulus, the center of this magnet steel body is corresponding with the center of coil 8, magnet steel body 6 Wei Nd iron boron permanent magnetism or samarium cobalt permanent magnet or Al-Ni-Co permanent magnets, shape has cylinder or packet or hexagon, and quantity must be equal to or greater than the quantity of coil 8, is fixed in the area of a circle of rotor module 5 by S-N-S-N magnetic pole sequence arrangement.
Described no magnetic of stator modules 7 usefulness or soft magnetic material are made, and center drilling, coil 8 are inlaid in the area of a circle of stator modules 7, and winding wire passes pipeline 9 and is connected with controller 11.
Described coil 8 is no ironcore choke, turn to round sheet by high strength enamelled wire, setting-in or be compressed in the area of a circle of stator modules 7, the quantity of coil can be divided exactly by 3 and 4, for example: 12,24,36,48,60,72,96,120,144,168,192 or---N is only, hub of a spool is corresponding with the center of magnet steel body 6, constitutes the high-intensity magnetic field that both sides or many sides magnet steel body attract relatively by hub of a spool.
Described main shaft 1 is made by round steel or stainless steel, be provided with protruding retaining 17, keyway 16, back-up ring 15 in the axle, the outer warp of protruding retaining 17 is greater than the diameter of main shaft 1, backer's alignment restrictions as rotor module 5, in the hope of the air gap size between accurate restrict rotor module and the stator modules, the scope of this air gap size is 0.2～5mm, selects according to magnet steel body and power of motor size.
Be provided with in the described bearing cap 2,201 the fine setting main shaft diameter to the packing ring 18 of air gap clearance.
Described Hall element 14 is 3, according to the spacing distance of setting, is inlaid in the inboard of end cap 4 or 401 respectively, and holding wire is connected with controller 11.
Describedly also comprise from cooling off interface arrangement: the cooling conduction pipe 21 that is provided with in stator modules 7, the end cap 4,401, choke plug 22 with annular conduction pipe resistance in the end cap 401 into two, unidirectional valve 19 is connected with the two halves conduction pipe respectively with discharge opeing interface 20, sealing and fixing is on end cap 401 and bearing cap 201, unidirectional valve 19 is connected with radiator 24, the other end of radiator is connected with discharge opeing interface 20 by pipeline, injects cold oil or cooling medium liquid in the pipeline; The inner heat that produces during motor rotation, make cold oil or refrigerant vaporizing liquid, gas passes through extraneous natural draft from unidirectional valve 19 to--move radiator 24 upper ends---radiator 24, gas cooled is reduced to liquid, in radiator, precipitate to following, based on the difference of height seat pressure of radiator 24 with motor, liquid is passed through, and-----unidirectional valve 19---gets back to radiator 24 to discharge opeing interface 20---stator modules 7 downside conduction pipes with end cap 4 collecting traies--stator modules 7 upside conduction pipes--, carry out liquid vapour transform, cover the road Automatic Cycle, the heat that inside is produced when turning round with cooling motor.
Describedly comprise from cooling off interface arrangement: stator modules 7, end cap 4, the cooling conduction pipe 21 that is provided with in 401, choke plug 22 with annular conduction pipe resistance in the end cap 401 into two, unidirectional valve 19 is connected with the two halves conduction pipe respectively with discharge opeing interface 20, sealing and fixing is on end cap 401 or bearing cap 201, this covers little oil pump 23 is housed, little oil pump import is connected with conduction pipe, exit dress unidirectional valve 19 is connected with radiator 24, the other end of radiator is connected with discharge opeing interface 20 by pipeline, during work, little oil pump 23 runnings of electric machine main shaft 1 transmission, make cold oil or refrigerant liquid, from discharge opeing interface 20 to--stator modules 7 downside conduction pipes--end cap 4 collecting traies--stator modules 7 upside conduction pipes--little oil pump 23---radiator 24 is through the extraneous cooling of ventilating---get back to discharge opeing interface 20, come and go circulation, the heat that inside is produced when turning round than heavy-duty motor with cooling.
Describedly also comprise with the inlet and outlet pipe of handpiece Water Chilling Units and being connected from cooling off interface arrangement, the heat that inside is produced when turning round with the cooling heavy-duty motor.
Described Hall element 14 is 3, according to the position of motor the inside magnet steel body 6 with respect to coil 8, the induction hall signal passes to controller 11, after via controller processing and the power amplification, export to the electric current of motor coil 8 corresponding directions, the motor rotation, magnet steel body 6 rotates with coil 8, the position signalling that the Hall element induction makes new advances, controller changes sense of current power supply for again motor coil again, motor continues rotation, carries out the autoelectrinic commutation, and motor is run well.
DC power supply can be storage battery storage battery or rectifier unit, and the direct current that alternating current is converted to adaptation provides necessary power supply to export to controller and motor.
The present invention compared with the prior art beneficial effect is:
Simple in structure, parts are few, consumptive material is little, in light weight, volume is little, cost is low, enlarge that power is convenient, manufacture craft is simple and do not have iron core, no teeth groove, brushless, no silicon steel sheet, no static friction torque, efficient height, noise is low, moment is big, power output is big, purposes is wide, be very suitable for the streamline production in enormous quantities.
Have this technology and can make various medicine equipment, electric tool, ventilation blower fan, urban construction machinery, textile machine, agricultural production, traffic, aviation, smelting, anti-riot and dangerous material operation place, the required various direct current machines in underground mining field of being used for.
Description of drawings
Accompanying drawing 1, a kind of internal structure principle cut-away view of self-cooling direct-current energy-saving motor of permanent magnetic module type.
Accompanying drawing 2, the front view of rotor module 5.
Accompanying drawing 3, the cut-away view of rotor module 5.
Accompanying drawing 4, the front view of stator modules 7.
Accompanying drawing 5, the cut-away view of stator modules 7.
Accompanying drawing 6, the front view of end cap 4.
Accompanying drawing 7, the cut-away view of end cap 4.
Accompanying drawing 8, the cut-away view of end cap 401.
Accompanying drawing 9, the front view of end cap 401.
Accompanying drawing 10 cools off interface arrangement and heat spreader structures connection diagram certainly.
Accompanying drawing 11 cools off interface arrangement and little oil pump heat spreader structures connection diagram certainly.
Embodiment
Following examples do not constitute any restriction to the utility model protection range.
Embodiment: shown in the accompanying drawing 1,2,3,4,5,6,7,8,9,10,11, self-cooling direct-current energy-saving motor of permanent magnetic module type comprises: 1. main shaft, 2,201 bearing caps, 3. bearing, 4,401. end caps, 5. rotor module, 6. magnet steel body, 7. stator modules, 8. coil, 9. pipeline, 10. electrical equipment box, 11. controller, 12. leads, 13,1301. bolts, screw, 14. Hall element, 15. back-up rings, 16. keyways, 17. protruding retaining, 18. packing ring, 19 unidirectional valves, 20. discharge opeing interfaces, 21. conduction pipe, 22. choke plug, 23. little oil pumps, 24. radiators.
Embodiment: accompanying drawing 2, accompanying drawing 3 in conjunction with the accompanying drawings 1 look, rotor module 5, make by metal material, setting-in one circle magnet steel body 6 in the annulus inner plane, the center of this magnet steel body is corresponding with the center of coil 8, keyway 16 and protruding retaining 17 are fixed on some rotor module 5 on the main shaft 1, by bearing 3 supportings that are installed in the end cap 4, be provided with a circle groove in the end cap, the protruding circle clamping of groove and stator modules 7, the circular hole of bolt 1301 by having in the groove, end cap is fixed on the stator modules 7, the circumferential plane of this stator modules is embedded to install coil 8, and winding wire passes pipeline 9 and is connected with controller 11, and Hall element 14 is arranged on the end cap inboard, holding wire passes end cap and is connected with controller 11, has 5 circular holes in the disk of rotor module 5 in order to alleviate the weight of module.
Embodiment: accompanying drawing 4, accompanying drawing 5 is looked, and no magnetic of stator modules 7 usefulness or soft magnetic material are made, and center drilling, coil 8 are inlaid in the area of a circle of stator modules, and winding wire passes pipeline 9 and is connected with controller 11.
The size range of air gap is 0.2～5mm, selects according to magnet steel body and power of motor size, and as preferably, the air gap of present embodiment is 0.5mm.
Embodiment: accompanying drawing 6, accompanying drawing 7, accompanying drawing 8, accompanying drawing 9, in conjunction with the accompanying drawings 10, accompanying drawing 11 looks,
End cap 4,401 usefulness aluminum alloy materials are made, and the collecting tray that is provided with cooling conduction pipe 21 and communicates with it, collecting tray are a circle groove, the table plane is by the protruding circle that is provided with in the bearing cap 2,201, the sealing clamping, protruding, the groove of another circle in the end cap is with the concave, convex circle sealing clamping of stator modules 7.
Be provided with in the bearing cap 2,201 be used to finely tune main shaft diameter to the packing ring 18 of air gap clearance.
Described Hall element 14 is 3, according to the spacing distance of setting, is inlaid in the inboard of end cap 4 or 401 respectively, and holding wire is connected with controller 11
Comprise from the cooling interface arrangement: the cooling conduction pipe 21 that is provided with in stator modules 7, the end cap 4,401, choke plug 22 with annular conduction pipe resistance in the end cap 401 into two, unidirectional valve 19 is connected with the two halves conduction pipe respectively with discharge opeing interface 20, and sealing and fixing is on end cap 401 and bearing cap 201.
Also comprise with the inlet and outlet pipe of handpiece Water Chilling Units and being connected from the cooling interface arrangement, the heat that inside is produced when turning round with the cooling heavy-duty motor.
DC power supply can be storage battery storage battery or rectifier unit, converts alternating current the direct current of adaptation to, by electrical equipment box 10, and lead 12, controller 11 provides the power supply of motor necessity.
According to the foregoing description and operation principle, some clever manufacturer attempts to change or reduce a certain parts a little and the identical product made, also belongs to the example of protection category of the present invention.
Claims (10)
1. self-cooling direct-current energy-saving motor of permanent magnetic module type, main employing magnet steel body (6) setting-in respectively is fixed in the rotor module (5), rotor module is sleeved on the main shaft (1), support by the bearing (3) in the end cap (4), end cap is provided with groove, the protruding circle sealing clamping of groove and stator modules (7), screw (1301, end cap is fixed on the stator modules (7), stator modules is embedded install coil (8), winding wire passes pipeline (9) and is connected with controller (11), and Hall element (14) is arranged on the end cap inboard, and the holding wire of this Hall element and controller (11) connect and compose; Feature is: do not have unshakable in one's determination in the coil (8), by the magnet steel body (6) in the coil plane both sides rotor module (5), the magnetic line of force of coupling constitutes magnetic field, behind the input pulse electric current, produce the electromagnetic force effect and form turning moment, the running of repulsion rotor module, above-mentioned magneticaction is to finish in the magnetic field center of coil and the coupling of magnet steel body, therefore electric motor starting is steady, good linearity, noise is low, during running, starting torque and work moment are big especially, energy conversion efficiency is very high, and it is convenient to enlarge power, especially is to be provided with in the motor from cooling off interface arrangement, overcoming the heat dissipation problem of motor internal, this cools off interface arrangement certainly by unidirectional valve (19), discharge opeing interface (20), conduction pipe (21), choke plug (22) constitutes.
2. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: said rotor module (5), make toroidal by metal material, setting-in one circle magnet steel body (6) in the annulus, the center of this magnet steel body is corresponding with the center of coil (8), magnet steel body (6) Wei Nd iron boron permanent magnetism or samarium cobalt permanent magnet or Al-Ni-Co permanent magnet, shape has cylinder or packet or hexagon, quantity must be equal to or greater than the quantity of coil (8), is fixed in the area of a circle of rotor module (5) by S-N-S-N magnetic pole sequence arrangement.
3. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: said stator modules (7) is made with no magnetic or soft magnetic material, center drilling, coil (8) is inlaid in the area of a circle of stator modules (7), and winding wire passes pipeline (9) and is connected with controller (11).
4. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: said coil (8) is no ironcore choke, turn to round sheet by high strength enamelled wire, setting-in or be compressed in the area of a circle of stator modules (7), the quantity of coil can be divided exactly by 3 and 4, for example: 12,24,36,48,60,72,96,120,144,168,192 or----N, hub of a spool is corresponding with the center of magnet steel body (6), constitutes the high-intensity magnetic field that both sides or many sides magnet steel body attract relatively by hub of a spool.
5. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: said main shaft (1) is made by round steel or stainless steel, be provided with protruding retaining (17), keyway (16), back-up ring (15) in the axle, the outer warp of protruding retaining (17) is greater than the diameter of main shaft (1), backer's alignment restrictions as rotor module (5), in the hope of the air gap size between accurate restrict rotor module and the stator modules, the scope of this air gap size is 0.2～5mm, selects according to magnet steel body and power of motor size.
6. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: be provided with in said bearing cap (2), (201) the fine setting main shaft diameter to the packing ring (18) of air gap clearance.
7. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: said Hall element (14) is 3, according to the spacing distance of setting, is inlaid in the inboard of end cap (4) or (401) respectively, holding wire is connected with controller (11).
8. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: saidly comprise from cooling off interface arrangement: stator modules (7), end cap (4), (401) the cooling conduction pipe (21) that is provided with in, choke plug (22) with annular conduction pipe resistance in the end cap (401) into two, unidirectional valve (19) is connected with the two halves conduction pipe respectively with discharge opeing interface (20), sealing and fixing is on end cap (401) and bearing cap (201), unidirectional valve (19) is connected with radiator (24), the other end of radiator is connected with discharge opeing interface (20) by pipeline, injects cold oil or cooling medium liquid in the pipeline; The inner heat that produces during motor rotation, make cold oil or refrigerant vaporizing liquid,-radiator (24) is through extraneous natural draft to--move radiator (24) upper end--from unidirectional valve (19) for gas, gas cooled is reduced to liquid, in radiator, precipitate to following, based on the difference of height position pressure of radiator (24) with motor, liquid is passed through--discharge opeing interface (20)--stator modules (7) downside conduction pipe--end cap (4) collecting tray--stator modules (7) upside conduction pipe--unidirectional valve (19)---get back to radiator (24), carry out liquid vapour transform, cover the road Automatic Cycle, the heat that inside is produced when turning round with cooling motor.
9. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: saidly comprise from cooling off interface arrangement: stator modules (7), end cap (4), (401) the cooling conduction pipe (21) that is provided with in, choke plug (22) with annular conduction pipe resistance in the end cap (401) into two, unidirectional valve (19) is connected with the two halves conduction pipe respectively with discharge opeing interface (20), sealing and fixing is on end cap (401) or bearing cap (201), this covers little oil pump (23) is housed, little oil pump import is connected with conduction pipe, exit dress unidirectional valve (19) is connected with radiator (24), the other end of radiator is connected with discharge opeing interface (20) by pipeline, during work, the little oil pump of electric machine main shaft (1) transmission (23) running, make cold oil or refrigerant liquid, from discharge opeing interface (20) to----stator modules (7) downside conduction pipe--end cap (4) collecting tray--stator modules (7) upside conduction pipe--little oil pump (23)--radiator (24) through extraneous ventilate to cooling---get back to discharge opeing interface (20), come and go circulation, the heat that inside is produced when turning round than heavy-duty motor with cooling.
10. self-cooling direct-current energy-saving motor of permanent magnetic module type according to claim 1, feature is: saidly also comprise with the inlet and outlet pipe of handpiece Water Chilling Units and being connected from cooling off interface arrangement, the heat that inside is produced when turning round with the cooling heavy-duty motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095471A CN101651374A (en) | 2009-01-13 | 2009-01-13 | Self-cooling direct-current energy-saving motor of permanent magnetic module type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910095471A CN101651374A (en) | 2009-01-13 | 2009-01-13 | Self-cooling direct-current energy-saving motor of permanent magnetic module type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101651374A true CN101651374A (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910095471A Withdrawn CN101651374A (en) | 2009-01-13 | 2009-01-13 | Self-cooling direct-current energy-saving motor of permanent magnetic module type |
Country Status (1)
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| CN (1) | CN101651374A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281517A (en) * | 2014-07-22 | 2016-01-27 | 抚顺煤矿电机制造有限责任公司 | Direct-drive drum motor structure of belt conveyor |
| WO2017070976A1 (en) * | 2015-10-26 | 2017-05-04 | 刘庆华 | Power saving power machine |
-
2009
- 2009-01-13 CN CN200910095471A patent/CN101651374A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281517A (en) * | 2014-07-22 | 2016-01-27 | 抚顺煤矿电机制造有限责任公司 | Direct-drive drum motor structure of belt conveyor |
| CN105281517B (en) * | 2014-07-22 | 2018-01-16 | 抚顺煤矿电机制造有限责任公司 | A kind of belt conveyor directly drives Rolling motor structure |
| WO2017070976A1 (en) * | 2015-10-26 | 2017-05-04 | 刘庆华 | Power saving power machine |
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Open date: 20100217 |