CN202014180U - 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor - Google Patents
60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor Download PDFInfo
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- CN202014180U CN202014180U CN2011201100954U CN201120110095U CN202014180U CN 202014180 U CN202014180 U CN 202014180U CN 2011201100954 U CN2011201100954 U CN 2011201100954U CN 201120110095 U CN201120110095 U CN 201120110095U CN 202014180 U CN202014180 U CN 202014180U
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Abstract
A 60 W to 320 W brushless permanent magnetic direct current motor structure without a position sensor comprises a plastic package stator and a plastic package rotor. The stator comprises a casing, an iron core and three-phase windings, and the rotor comprises a rotor shaft, a rotor yoke and four pieces of magnetic steels. The rotor shaft is arranged in the axis center of the rotor yoke, and the magnetic steels are distributed on the rotor yoke along the circumferential direction at equal angles. The length of the iron core is 53 mm to 61 mm, 12 grooves are arranged in the inner wall of the iron core, the number of turns of any phase of stator windings is 36 to 48, and 18 to 24 conductors are arranged in any groove. The diameter of each conductor of a wire of a coil is 0.68 mm to 0.90 mm, the diameter of the wire comprising an insulating layer is 0.70 mm to 0.95 mm, the length of the magnetic steel is 52 mm to 59 mm, the width of the magnetic steel is 19 mm to 23 mm, and the thickness of the magnetic steel is 2.2 mm to 3.5 mm. The length of the iron core, the number of the grooves, the number of the turns of the windings, the number of the conductors arranged in the grooves of the iron core, the diameter of the wire of the coil and the thickness of the insulating layer are matched with each other, thereby being capable of reducing heat emitting and producing ideal electric energy-mechanical energy conversion efficiency.
Description
Technical field:
The utility model relates to electricity field, relates in particular to motor, particularly brush DC position-sensor-free permanent magnet motor, and concrete is a kind of 60～320W power brushless position-sensor-free permanent magnet DC motor structure.
Background technology:
Brush DC position-sensor-free permanent magnet motor is widely used in producing and life.Wherein, part brush DC position-sensor-free permanent magnet motor works in humidity, occasion that acid-base value is high, even works in underwater environment, therefore need the rotor and the stator of motor be sealed.In the prior art, the stator after the sealing generates heat easily, can not reach desirable electric energy-mechanical energy conversion efficiency.
Summary of the invention:
The purpose of this utility model is to provide a kind of 60～320W power brushless position-sensor-free permanent magnet DC motor structure, and described this 60～320W power brushless position-sensor-free permanent magnet DC motor structure will solve the technical problem that brush DC position-sensor-free permanent magnet motor in the prior art can not reach desirable electric energy-mechanical energy conversion efficiency.
This 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model comprises plastic packaging stator and plastic packaging rotor, described plastic packaging stator is tubular, plastic packaging stator comprises casing, iron core and threephase stator winding, described iron core is cylinder barrel shaped, iron core is arranged in the casing, what be parallel to iron core in the inwall of iron core axially is provided with plurality of grooves, described plurality of grooves distributes along the circumferential equal angles of iron core inwall, described threephase stator winding constitutes by coil, coil is made of the lead coiling, lead is made of conductor and insulating barrier, the threephase stator winding is arranged in the described plurality of grooves, described plastic packaging rotor is arranged in the plastic packaging stator, the plastic packaging rotor comprises armature spindle, rotor yoke and four magnet steel, described armature spindle is arranged on the axle center of rotor yoke, described magnet steel is distributed on the rotor yoke along circumferential equal angles, it is characterized in that: the length of described iron core is 53～61 millimeters, the number of the groove described in the iron core inwall is 12, the number of turn of any phase stator winding is all between 36～48, be provided with 18～24 conductors in any one groove, in the coil in the lead diameter of conductor between 0.68～0.90 millimeter, lead comprises that diameter behind the insulating barrier is between 0.70～0.95 millimeter in the coil, the length of the described magnet steel of a slice is 52～59 millimeters arbitrarily, the width of a slice magnet steel is 19～23 millimeters arbitrarily, and the thickness of a slice magnet steel is 2.2～3.5 millimeters arbitrarily.
Further, described iron core is had by a plurality of inboards that the annular punching of teeth groove is superimposed vertically to be constituted, and the number of teeth groove is 12 in any one described annular punching.
Further, the inner periphery of iron core is provided with a seal stator insulating barrier, and described seal stator insulating barrier is cylinder barrel shaped.
Further, described seal stator insulating barrier is filled the gap between coil, iron core and the casing inner wall.
Further, described seal stator insulating barrier is made of ceramic body or resinite or metal cladding.
Further, described magnet steel external fixation is arranged with a rotor cover, described rotor cover is coaxial with rotor yoke, between the gap of rotor cover and rotor yoke, all be filled with the rotor seal insulator between any adjacent two magnet steel, all be coated with the rotor seal insulating barrier on the two ends end face of rotor cover, rotor yoke and magnet steel.
Further, described rotor seal insulator is made of ceramic body or resinite, and described rotor seal insulating barrier is made of ceramic body or resinite or metal cladding.
Further, the input voltage of described brushless position-sensor-free permanent magnet DC motor is between 12V～36V.
Operation principle of the present utility model is: the diameter of lead and the thickness of insulating barrier cooperatively interact in the number of turn of the length of iron core, groove number, winding, the number of conductors in the iron core slot, the coil, can reduce heating, proof can produce desirable electric energy-mechanical energy conversion efficiency by experiment.On stator and the rotor sealed insulation is set, motor can work in humidity, occasion that acid-base value is high, even works in underwater environment.
The utility model and prior art are compared, and its effect is actively with tangible.The diameter of lead and the thickness of insulating barrier cooperatively interact in the number of turn of the length of the utility model iron core, groove number, winding, the number of conductors in the iron core slot, the coil, can reduce heating, produce desirable electric energy-mechanical energy conversion efficiency.And on stator and rotor, sealed insulation being set, motor can work in humidity, occasion that acid-base value is high, even works in underwater environment.
Description of drawings:
Fig. 1 is the schematic diagram of 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model.
Fig. 2 is the radial section schematic diagram of the stator in 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model.
Fig. 3 is the axial section schematic diagram of the rotor in 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model.
Fig. 4 is the radial section schematic diagram of the rotor in 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4,60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model, comprise plastic packaging stator 1 and plastic packaging rotor 2, described plastic packaging stator 1 is tubular, plastic packaging stator comprises casing 5, iron core 7 and threephase stator winding 6, described iron core 7 is cylinder barrel shaped, iron core 7 is arranged in the casing 5, what be parallel to iron core 7 in the inwall of iron core 7 axially is provided with plurality of grooves, described plurality of grooves distributes along the circumferential equal angles of iron core 7 inwalls, described threephase stator winding 6 constitutes by coil, coil is made of lead 21 coilings, lead 21 is made of conductor and insulating barrier, threephase stator winding 6 is arranged in the described plurality of grooves, described plastic packaging rotor 2 is arranged in the plastic packaging stator 1, plastic packaging rotor 2 comprises armature spindle 9, rotor yoke 10 and four magnet steel 12, described armature spindle 9 is arranged on the axle center of rotor yoke 10, described magnet steel 12 is distributed on the rotor yoke 10 along circumferential equal angles, wherein, the length of described iron core 7 is 53～61 millimeters, the number of the groove in iron core 7 inwalls is 12, the number of turn of any phase stator winding 6 is all between 36～48, be provided with 18～24 conductors in any one groove, in the coil in the lead 21 diameter of conductor between 0.68～0.90 millimeter, lead 21 comprises that diameter behind the insulating barrier is between 0.70～0.95 millimeter in the coil, the length of the described magnet steel 12 of a slice is 52～59 millimeters arbitrarily, the width of a slice magnet steel 12 is 19～23 millimeters arbitrarily, and the thickness of a slice magnet steel 12 is 2.2～3.5 millimeters arbitrarily.
Further, described iron core 7 is had by a plurality of inboards that the annular punching of teeth groove is superimposed vertically to be constituted, and the number of teeth groove is 12 in any one described annular punching.
Further, the inner periphery of iron core 7 is provided with a seal stator insulating barrier 8, and described seal stator insulating barrier 8 is cylinder barrel shaped.
Further, the gap between described seal stator insulating barrier 8 filling coil, iron core 7 and casing 5 inwalls.
Further, described seal stator insulating barrier 8 is made of ceramic body or resinite or metal cladding.
Further, described magnet steel 12 external fixation are arranged with a rotor cover 11, described rotor cover 11 is coaxial with rotor yoke 10, between the gap of rotor cover 11 and rotor yoke 10, all be filled with rotor seal insulator 13 between adjacent two magnet steel 12 arbitrarily, rotor overlaps 11, all be coated with rotor seal insulating barrier 14 on the two ends end face of rotor yoke 10 and magnet steel 12.
Further, described rotor seal insulator 13 is made of ceramic body or resinite, and described rotor seal insulating barrier 14 is made of ceramic body or resinite or metal cladding.
Further, the input voltage of brushless position-sensor-free permanent magnet DC motor is between 12V～36V.
In the present embodiment, 60～320W power brushless position-sensor-free permanent magnet DC motor structure of the present utility model also includes front-end bearing pedestal 3 and rear bearing block 4, front-end bearing pedestal 3 and rear bearing block 4 are fixedly connected on the two ends of plastic packaging stator 1 respectively, and the two ends of armature spindle 9 are arranged in front-end bearing pedestal 3 and the rear bearing block 4 by bearing respectively.
Concrete, be respectively arranged with water lubriucated bearing 15 in described front-end bearing pedestal 3 and the rear bearing block 4.
The rear end of described armature spindle 9 is provided with a slide plate 16, is provided with a thrust bearing 17 in the described rear bearing block 4.
The position of departing from axis hole in the described front-end bearing pedestal 3 is provided with a lead via hole 18, described coil windings 6 is connected with a lead 19, and an end of described lead 19 stretches out from the end face of plastic packaging stator sealed insulation layer 8 and passes described lead via hole 18.
The position of departing from axis hole in the described rear bearing block 4 is provided with a water hole 20.
The course of work of present embodiment is: the diameter of lead 21 and the thickness of insulating barrier cooperatively interact in the number of conductors in the number of turn of the length of iron core 7, groove number, winding, iron core 7 grooves, the coil, can reduce heating, proof can produce desirable electric energy-mechanical energy conversion efficiency by experiment.On stator and the rotor sealed insulation is set, motor can work in humidity, occasion that acid-base value is high, even works in underwater environment.Plastic packaging stator 1 produces rotating magnetic field under the driving of controller, plastic packaging rotor 2 rotates in rotating magnetic field.When working in underwater environment, current enter gap between plastic packaging stator 1 and the plastic packaging rotor 2 from front-end bearing pedestal 3, and, produce lubrication between current and the water lubriucated bearing 15, and take away the heat that produces in plastic packaging stator 1 and the plastic packaging rotor 2 from rear bearing block 4 discharges.Seal stator insulating barrier 8 prevents that current from entering coil windings 6 and iron core 7, realizes the sealed insulation of plastic packaging stator 1.Rotor seal insulator 13 and rotor seal insulating barrier 14 prevent that current from entering in the rotor cover 11, realizes the sealed insulation of plastic packaging rotor 2.The slide plate 16 of armature spindle 9 rear ends and the thrust bearing in the rear bearing block 4 17 cooperate, and can eliminate the axial force that armature spindle 9 is subjected to.
Claims (8)
1. 60～320W power brushless position-sensor-free permanent magnet DC motor structure, comprise plastic packaging stator and plastic packaging rotor, described plastic packaging stator is tubular, plastic packaging stator comprises casing, iron core and threephase stator winding, described iron core is cylinder barrel shaped, iron core is arranged in the casing, what be parallel to iron core in the inwall of iron core axially is provided with plurality of grooves, described plurality of grooves distributes along the circumferential equal angles of iron core inwall, described threephase stator winding constitutes by coil, coil is made of the lead coiling, lead is made of conductor and insulating barrier, the threephase stator winding is arranged in the described plurality of grooves, described plastic packaging rotor is arranged in the plastic packaging stator, the plastic packaging rotor comprises armature spindle, rotor yoke and four magnet steel, described armature spindle is arranged on the axle center of rotor yoke, described magnet steel is distributed on the rotor yoke along circumferential equal angles, it is characterized in that: the length of described iron core is 53～61 millimeters, the number of the groove described in the iron core inwall is 12, the number of turn of any phase stator winding is all between 36～48, number of conductor in any one groove is 18～24, the diameter of conductor is between 0.68～0.90 millimeter in the lead in the described coil, described lead comprises that diameter behind the insulating barrier is between 0.70～0.95 millimeter, the length of the described magnet steel of a slice is 52～59 millimeters arbitrarily, the width of a slice magnet steel is 19～23 millimeters arbitrarily, and the thickness of a slice magnet steel is 2.2～3.5 millimeters arbitrarily.
2. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 1, it is characterized in that: described iron core is had by a plurality of inboards that the annular punching of teeth groove is superimposed vertically to be constituted, and the number of teeth groove is 12 in any one described annular punching.
3. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 1, it is characterized in that: the inner periphery of iron core is provided with a seal stator insulating barrier, and described seal stator insulating barrier is cylinder barrel shaped.
4. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 3 is characterized in that: described seal stator insulating barrier is filled the gap between coil, iron core and the casing inner wall.
5. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 3 is characterized in that: described seal stator insulating barrier is made of ceramic body or resinite or metal cladding.
6. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 1, it is characterized in that: described magnet steel external fixation is arranged with a rotor cover, described rotor cover is coaxial with rotor yoke, between the gap of rotor cover and rotor yoke, all be filled with the rotor seal insulator between any adjacent two magnet steel, all be coated with the rotor seal insulating barrier on the two ends end face of rotor cover, rotor yoke and magnet steel.
7. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 6, it is characterized in that: described rotor seal insulator is made of ceramic body or resinite, and described rotor seal insulating barrier is made of ceramic body or resinite or metal cladding.
8. 60～320W power brushless position-sensor-free permanent magnet DC motor structure as claimed in claim 1, it is characterized in that: the input voltage of described brushless position-sensor-free permanent magnet DC motor is between 12V～36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201100954U CN202014180U (en) | 2011-04-14 | 2011-04-14 | 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201100954U CN202014180U (en) | 2011-04-14 | 2011-04-14 | 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202014180U true CN202014180U (en) | 2011-10-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201100954U Expired - Fee Related CN202014180U (en) | 2011-04-14 | 2011-04-14 | 60 W to 320 W brushless permanent magnetic direct current motor structure without position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202014180U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808783A (en) * | 2012-01-18 | 2012-12-05 | 侯学青 | Mechanical and electrical integrated photovoltaic direct-current high-power submersible pump |
| CN104158317A (en) * | 2013-05-13 | 2014-11-19 | 罗伯特·博世有限公司 | Electromotor stator coaxially wound around center shaft line in an extending manner and method for manufacturing same |
| CN108011461A (en) * | 2017-12-27 | 2018-05-08 | 浙江伟康电机有限公司 | A kind of low voltage DC motor for retractable door |
-
2011
- 2011-04-14 CN CN2011201100954U patent/CN202014180U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808783A (en) * | 2012-01-18 | 2012-12-05 | 侯学青 | Mechanical and electrical integrated photovoltaic direct-current high-power submersible pump |
| CN104158317A (en) * | 2013-05-13 | 2014-11-19 | 罗伯特·博世有限公司 | Electromotor stator coaxially wound around center shaft line in an extending manner and method for manufacturing same |
| CN104158317B (en) * | 2013-05-13 | 2018-11-13 | 罗伯特·博世有限公司 | Around the motor stator of central axis coaxial heart extension and for method manufacturing of electric machines |
| CN108011461A (en) * | 2017-12-27 | 2018-05-08 | 浙江伟康电机有限公司 | A kind of low voltage DC motor for retractable door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20140414 |