CN2545744Y - Rotor excitation commutator-less DC electric machine - Google Patents
Rotor excitation commutator-less DC electric machine Download PDFInfo
- Publication number
- CN2545744Y CN2545744Y CN 02233412 CN02233412U CN2545744Y CN 2545744 Y CN2545744 Y CN 2545744Y CN 02233412 CN02233412 CN 02233412 CN 02233412 U CN02233412 U CN 02233412U CN 2545744 Y CN2545744 Y CN 2545744Y
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- rotor
- iron core
- stator
- magnetic pole
- magnetic
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- Expired - Fee Related
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- 230000005284 excitation Effects 0.000 title claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 64
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 230000011218 segmentation Effects 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a rotor excitation non commutator DC electrical machine proposal, which belongs to the field of DC electrical machine. The non commutator DC electrical machine of the utility model is manufactured by an axial direction excitation solenoid coil, a magnetism isolating liner barral and a magnetic shielding technology. The utility model has the advantages of big starting moment, good speed adjusting performance, small noise, no electromagnetic interference and power-saving and so on. The utility model is mainly used as an electric vehicle motor, a household appliance motor (the alternative frequency household appliance is replaced) and a large scale equipment electric machine.
Description
(1) technical field
The utility model relates to a kind of rotor-exciting commutatorless direct current machine, belongs to the direct current machine field.
(2) background technology
Ac motor structure is simple, and is easy to maintenance, but because its speed governing is poor, starting torque is little, and its range of application is restricted.DC motor speed-regulating is good, and starting torque is big, but because it has commutator, thereby it is restricted on capacity and rotating speed, promptly be difficult to produce big capacity and high-revolving direct current machine.
I once proposed the technical scheme that the patent No. is 01259327.3 " the absence of commutator direct current machine of changing system into alternating current machine basic structure ", thereby realized making the imagination of big capacity absence of commutator direct current machine, but this technical scheme has been taked the stator excitation mode, and magnet exciting coil coiling mode is comparatively complicated.Utilize the utility model can simplify the coiling mode of magnet exciting coil, produce rotor-exciting commutatorless direct current machine simple in structure.
(3) summary of the invention
The utility model relates to a kind of rotor-exciting commutatorless direct current machine.Its technical scheme is: the rotor-exciting commutatorless direct current machine that the utility model proposed is to be made of stator and rotor two parts, rotor magnetic pole iron core is to have certain thickness hollow disk more than two sections or two sections, and be tightly linked pole core is coaxial by the internal diameter littler tubular yoke identical with it than its external diameter, pole core and yoke iron core can be made of monoblock silicon steel, also can change by silicon steel sheet, axially the solenoid coil of excitation is fixed on the rotor yoke, the current supply line of magnet exciting coil is guided on the slip ring outside the casing by epitrochanterian fairlead, and slip ring is fastened on the armature spindle and by brush electric current is imported magnet exciting coil by slip ring.Axle at rotor tightens every the magnetic lining, and rotor magnetic pole iron core, rotor yoke iron core are fastened on the lining of magnetic.Stator core also should be the hollow disk more than two sections or two sections mutually, and is coaxial with rotor magnetic pole iron core and the position is corresponding, and its internal diameter is a bit larger tham the rotor magnetic pole iron core external diameter, is tightly linked by the internal diameter tubular iron core more identical with it than its big external diameter is coaxial vertically.Between hollow disk iron core of stator and rotor magnetic pole iron core, formed magnetic gap like this, when giving the solenoid coil energising of axial excitation, the hollow disk iron core of stator is magnetized to different magnetic pole by rotor magnetic pole, and between rotor magnetic pole iron core and the hollow disk iron core of stator, forming radial magnetic field, rotor magnetic pole iron core, magnetic gap, stator core, rotor yoke constitute closed magnetic circuit.Be with on the excircle of stator core every the letter of magnetic lining, an effective edge of armature coil is installed on the inner periphery of the hollow disk iron core of stator vertically, the axial limit of another of armature coil is fixed on the magnetic lining, be not subjected to the action of a magnetic field, the part that armature coil two limits radially are in the stator core outside is not subjected to the action of a magnetic field, and it is in the part of core interior because the magnetic cup fraud effect of iron core also makes it not be subjected to the effect in magnetic field.When switching on to armature coil, be in the effective edge sense of current unanimity under the action of a magnetic field in the same armature coil, under the effect of Ampere force, rotor is promptly rotatable, thereby has realized this conception of rotor-exciting commutatorless direct current machine.Compare simple in structure, reliable, advantages such as cost is low, capacity is big, no electromagnetic interference that the rotor-exciting commutatorless direct current machine that the utility model proposed has with existing direct current machine.
(4) description of drawings
Accompanying drawing 1 is the vertical view of rotor-exciting commutatorless direct current machine.Rotor-exciting commutatorless direct current machine when accompanying drawing 2 is two sections for rotor magnetic pole iron core is along the cutaway view of A-A direction.1 be rotor bearing among the figure wherein, 2 is rotor shaft, and 3 is that rotor is every the magnetic lining, 4 is rotor magnetic pole iron core, and 5 is the hollow disk iron core of stator, and 6 is the stator armature coil, 7 is the magnet exciting coil fairlead, and 8 is cylindrical rotor yoke iron core, and 9 is the solenoid magnet exciting coil, 10 is stator tubular iron core, and 11 is the hollow disk iron core of stator, and 12 is the stator armature coil, 13 is that stator is every the magnetic lining, 14 is rotor magnetic pole iron core, and 15 is out frame, and 16 is the stator end cap, 17 is the slip ring cover fastening bolt, 18 is slip ring cover, and 19 is slip ring, and 20 is slip ring, 21 is brush, 22 is wire hole, and 23 is brush, and I is the sense of current in the armature coil.Accompanying drawing 3 is the cutaway view of rotor-exciting commutatorless direct current machine along the B-B direction.2 is rotor shaft among the figure, 3 be rotor every the magnetic lining, 4 is rotor magnetic pole iron core, 6 is the stator armature coil, 7 is the magnet exciting coil fairlead, 13 be stator every the magnetic lining, 15 is out frame.Rotor-exciting commutatorless direct current machine when accompanying drawing 4 is three sections for rotor magnetic pole iron core is along the cutaway view of C-C direction.1 is rotor bearing among the figure, and 2 is rotor shaft, and 3 is that rotor is every the magnetic lining, 4 is rotor magnetic pole iron core, and 5 is the hollow disk iron core of stator, and 6 is the stator armature coil, 7 is rotor tubular magnetic vibrating feeder yoke core, and 8 is stator tubular iron core, and 9 is the solenoid magnet exciting coil, 10 is the hollow disk iron core of stator, and 11 is the stator armature coil, and 12 is that stator is every the magnetic lining, 13 is rotor magnetic pole iron core, and 14 is the rotor yoke iron core, and 15 is stator tubular iron core, 16 is the solenoid magnet exciting coil, and 17 is the stator armature coil, and 18 is the hollow disk iron core of stator, 19 is rotor magnetic pole iron core, 20 is out frame, and 21 is the stator end cap, and 22 is the slip ring cover fastening bolt, 23 is the magnet exciting coil fairlead, 24 is slip ring, and 25 is slip ring cover, and 26 is slip ring, 27 is brush, 28 is wire hole, and 29 is brush, and I is the sense of current in the armature coil.
(5) embodiment
Embodiment one:
In the present embodiment, rotor magnetic pole iron core is two sections, as accompanying drawing 2, accompanying drawing 3 as show.Rotor magnetic pole iron core 4 and 14 is to have certain thickness hollow disk, the tubular yoke iron core 8 identical with it by the internal diameter littler than its external diameter is tightly linked rotor magnetic pole iron core 4 and 14, axially excitation solenoid coil 9 is fixed on the rotor yoke 8, the current supply line of magnet exciting coil 9 is guided on the slip ring 19,20 outside the casing by epitrochanterian fairlead 7, slip ring 19,20 is fastened on the armature spindle 2, and by brush 21,23 electric current is imported in the magnet exciting coil 9 by slip ring 19,20.Tighten every magnetic lining 3 at armature spindle 2, rotor magnetic pole iron core 4 and 14 and rotor tubular magnetic vibrating feeder yoke core 8 be fastened on rotor on magnetic lining 3.Stator core also should be two sections hollow disks 5 and 11 mutually, and coaxial with rotor magnetic pole iron core 4 and 14 and the position is corresponding, and its internal diameter is a bit larger tham the rotor magnetic pole iron core external diameter, is tightly linked by the internal diameter tubular iron core 10 more identical with it than its big external diameter is coaxial vertically.Between hollow disk iron core 5,11 of stator and rotor magnetic pole iron core 4,14, formed annular magnetic gap like this, when the solenoid coil 9 of giving axial excitation is switched on, the hollow disk 5 of stator and 11 is magnetized to different magnetic pole and forms radial magnetic field by rotor magnetic pole iron core 4 and 14, constitute closed magnetic circuit by rotor magnetic pole iron core, magnetic gap, stator core, rotor yoke, as shown in Figure 2.The excircle of stator core is with every magnetic lining 13, an effective edge of armature coil 6 and 12 is installed on the inner periphery of stator disk iron core 5 and 11 vertically, armature coil 6 and another axial limit of 12 are fixed on magnetic lining 13, be not subjected to the action of a magnetic field, the part that armature coil 6 and 12 two limits radially are in the stator core outside is not subjected to the action of a magnetic field, be in the part of stator core inside because the effect of the magnetic cup fraud of iron core is not subjected to the effect in magnetic field yet.When press the direction shown in the accompanying drawing 2 when switching on for armature coil 6 and 12, be in the effective edge sense of current unanimity under the action of a magnetic field in the same armature coil, under the effect of Ampere force, rotation as shown in Figure 2 can take place in rotor.
In the present embodiment, rotating shaft 2 and rotor can be made one every magnetic lining 3, and make by NULL.
In the present embodiment, can only with one in the hollow disk iron core 5 of stator and 11 armature coil be installed, another is used to form closed magnetic circuit, can simplify mechanical structure like this.
Embodiment two:
In the present embodiment, in order to increase the power of motor, as shown in Figure 4, rotor magnetic pole iron core can be become 4,13,19 3 sections, the hollow disk iron core of stator becomes 5,10,18 3 sections, the stator armature coil becomes 6,11,17 3 sections, axially magnet exciting coil become 9 with 16 two sections and polarity is relative installs.
In the present embodiment, can only will on the hollow disk 10 of stator armature coil be installed, the hollow disk 5 of two other stator and 18 is not installed armature coil, only is used to form closed magnetic circuit, can simplify mechanical structure like this.
Claims (2)
1. rotor-exciting commutatorless direct current machine, it is made up of stator and rotor two parts, rotor magnetic pole iron core is to have certain thickness hollow disk more than two sections or two sections, stator core also should be hollow disk more than two sections or two sections mutually, and it is coaxial with rotor magnetic pole iron core and the position is relative, the hollow disk iron core of stator is tightly linked than its big tubular iron core vertically by internal diameter, the hollow disk iron core of the stator of segmentation is installed an effective edge of armature coil vertically on inner periphery, it is characterized in that: rotor magnetic pole iron core is tightly linked rotor magnetic pole iron core by the tubular yoke littler than its external diameter, rotor magnetic pole iron core, the rotor yoke iron core can be made of the monoblock magnet steel, also can change by magnetic links, axially the solenoid coil of excitation is fixed on the rotor yoke, the current supply line of magnet exciting coil is guided on the slip ring outside the casing by epitrochanterian fairlead, slip ring is fastened on the armature spindle, and electric current is imported axial excitation solenoid coil by slip ring by brush, rotor magnetic pole iron core, the rotor yoke iron core is fastened on the magnetic lining, be fastened on every the magnetic lining on the axle of rotor, also can be with rotor magnetic pole iron core, the rotor yoke iron core is directly installed on the armature spindle of being made by NULL, be with every the magnetic lining with the stator core excircle of rotor coaxial, the another side of armature coil is fixed on vertically on the magnetic lining, makes it not be subjected to the action of a magnetic field.
2. by the brushless and commutatorless DC motor described in the claim 1, it is characterized in that: when rotor magnetic pole iron core during more than two sections, the solenoid coil of the axial excitation on the adjacent yoke wants polarity to install relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233412 CN2545744Y (en) | 2002-04-30 | 2002-04-30 | Rotor excitation commutator-less DC electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233412 CN2545744Y (en) | 2002-04-30 | 2002-04-30 | Rotor excitation commutator-less DC electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2545744Y true CN2545744Y (en) | 2003-04-16 |
Family
ID=33708556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233412 Expired - Fee Related CN2545744Y (en) | 2002-04-30 | 2002-04-30 | Rotor excitation commutator-less DC electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2545744Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734448A (en) * | 2015-03-17 | 2015-06-24 | 段学甫 | DC ring type motor |
| CN107181382A (en) * | 2017-07-19 | 2017-09-19 | 沈阳工业大学 | A kind of rotor alternate angle stator magnetic barrier type axial permanent magnetic aids in double salient-pole electric machine |
-
2002
- 2002-04-30 CN CN 02233412 patent/CN2545744Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734448A (en) * | 2015-03-17 | 2015-06-24 | 段学甫 | DC ring type motor |
| CN107181382A (en) * | 2017-07-19 | 2017-09-19 | 沈阳工业大学 | A kind of rotor alternate angle stator magnetic barrier type axial permanent magnetic aids in double salient-pole electric machine |
| CN107181382B (en) * | 2017-07-19 | 2023-11-28 | 沈阳工业大学 | Rotor stagger angle stator magnetism-isolating type axial permanent magnet auxiliary doubly salient motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: LI HONGWEI Free format text: CHANGE FOR CO-PATENTEE; FORMER NAME OR ADDRESS: NONE |
|
| CP01 | Change in the name or title of a patent holder |
Co-patentee after: Li Hongwei |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |