CN103021645B - Improve method and the structure of brushless revolver electric precision - Google Patents
Improve method and the structure of brushless revolver electric precision Download PDFInfo
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- CN103021645B CN103021645B CN201210479620.9A CN201210479620A CN103021645B CN 103021645 B CN103021645 B CN 103021645B CN 201210479620 A CN201210479620 A CN 201210479620A CN 103021645 B CN103021645 B CN 103021645B
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Abstract
The invention discloses a kind of method and the structure that improve brushless revolver electric precision, the method and structure by become part at the ring of brushless revolver and revolve to set up between change part non-magnet_conductible material and permeability magnetic material be superimposed together formed every magnetic conductance magnet assembly, cut off by this not permeable section every magnetic conductance magnet assembly the cross one another magnetic circuit that ring becomes part and revolve change part; Simultaneously by becoming part every the permeable section connected ring of magnetic conductance magnet assembly or revolving the magnetic circuit become between the upper and lower stators and rotators of part.Owing to have employed technical scheme of the present invention, brushless revolver electric precision of the present invention can obtain raising by a relatively large margin.And technical scheme structure of the present invention is simple, be convenient to processing, with low cost, be worthy to be popularized.
Description
Technical field
The present invention relates to rotary transformer technology field, particularly relate to a kind of method improving brushless revolver electric precision.
Background technology
Resolver is a kind of accurate electromagnetic induction element, and after it is connected with the mains, the amplitude of output voltage becomes sinusoidal, cosine function relationship with angle of rotor, or is directly proportional to the corner of rotor in certain angle range.Electrical error be transfer of data resolver under different angle position, two export tangent (or cotangent) angles corresponding to ratio of winding voltage and the difference of actual rotational angle.Electrical error is the judgment basis of transfer of data resolver precision.
Brushless revolver is not owing to having brush, therefore the connection of its rotor windings and external circuit is realized by toroidal transformer, structure is shown in Fig. 1, the former side of toroidal transformer and pair side are arranged on stators and rotators respectively, and can relatively rotate, make to revolve change rotor windings by electromagnetic induction principle and be indirectly connected with external circuit.And owing to there is toroidal transformer, therefore can produce with regard to the magnetic circuit of inevitable toroidal transformer and the magnetic circuit of resolver and influence each other, cause the distortion of two parts magnetic circuit, directly affect the electric precision of resolver.If the magnetic circuit adopting not magnetic conductive part to be become by its ring and to revolve change cuts off completely, ring can be caused again to become and revolve change part especially ring become the part magnetic circuit up and down between stators and rotators separately and be subject to certain obstruct and cause magnetic loss, also can affect the electric precision of resolver.Therefore, existing brushless revolver or undesirable.
Summary of the invention
The object of the invention is to for overcoming the deficiencies in the prior art, a kind of method and the structure that improve brushless revolver electric precision are provided, the magnetic circuit of the magnetic circuit of toroidal transformer and resolver can be avoided to produce influence each other, reduce the leakage field between two-part stators and rotators simultaneously, improve the electric precision of resolver.。
For realizing object of the present invention, a kind of method improving brushless revolver electric precision of the present invention, wherein, the method by become part at the ring of brushless revolver and revolve to set up between change part non-magnet_conductible material and permeability magnetic material be superimposed together formed every magnetic conductance magnet assembly, cut off by this not permeable section every magnetic conductance magnet assembly the cross one another magnetic circuit that ring becomes part and revolve change part; Simultaneously by becoming part every the permeable section connected ring of magnetic conductance magnet assembly or revolving the magnetic circuit become between the upper and lower stators and rotators of part.
For realizing said method, a kind of brushless revolver structure of the present invention, by as former side ring set, as pair side ring become rotor, back-up ring, axle, revolve become rotor, revolve set and casing form, described ring set and ring become rotor makeup ring and become part, described revolve set and revolve become rotor composition revolve change part, wherein, this device is provided with every magnetic conductance magnet assembly described revolving between change part and ring change part.
Further, described every magnetic conductance magnet assembly by be located at described ring set and described revolve the stator antifreeze plate and stator magnetic conduction sheet that are superimposed together between set and be located at described ring become rotor and describedly revolve the rotor antifreeze plate that becomes and be superimposed together between rotor and rotor magnetic conduction sheet forms; Described stator antifreeze plate and rotor antifreeze plate are the structures adopting non-magnet_conductible material to make, and described stator magnetic conduction sheet and rotor magnetic conduction sheet are the structures adopting permeability magnetic material to make.
Further, described stator antifreeze plate and rotor antifreeze plate are located at and become iron core one end near ring, and described stator magnetic conduction sheet and rotor magnetic conduction sheet are located at and become iron core one end near revolving.
As another improvement of the present invention, described stator magnetic conduction sheet and rotor magnetic conduction sheet are respectively two panels, be located at respectively and become iron core and close two ends of revolving change iron core near ring, described stator antifreeze plate is clipped between two panels stator magnetic conduction sheet, and described rotor antifreeze plate is clipped between two panels rotor magnetic conduction sheet.
Compared with prior art, stator antifreeze plate of the present invention and rotor antifreeze plate adopt non-magnet_conductible material, can become that the magnetic circuit become with ring is more effective keeps apart, avoiding ring become part and revolve influencing each other of change part magnetic circuit by revolving.Meanwhile, set up stator magnetic conduction sheet and rotor magnetic conduction sheet that the employing permeability magnetic material that is superimposed together with stator antifreeze plate and rotor antifreeze plate makes, can link up stators and rotators up and down between magnetic circuit.Become due to ring and revolve the difference becoming magnetic circuit line, the magnetic line of force scope that ring set and ring become between rotor is little, magnetic loss is little, therefore when space does not allow, ring become part this while stator magnetic conduction sheet and rotor magnetic conduction sheet can not be arranged, and only revolve become part this while arrange stator magnetic conduction sheet and rotor magnetic conduction sheet, make magnetic conduction sheet and antifreeze plate is two-layer is superimposed together.When space allows, can become part and ring change part all arranges magnetic conduction sheet revolving, formation two panels magnetic conduction sheet presss from both sides three layers of iterative structure of a slice antifreeze plate like this, its better effects if.Owing to have employed technical scheme of the present invention, brushless revolver electric precision of the present invention can obtain raising by a relatively large margin.And technical scheme structure of the present invention is simple, be convenient to processing, with low cost, be worthy to be popularized.
Accompanying drawing explanation
Fig. 1 is the brushless revolver structural representation of prior art;
Fig. 2 is a kind of structural representation of brushless revolver of the present invention;
Description of reference numerals: 1-ring set, 2-back-up ring, 3-ring becomes rotor, and 4-axle, 5-revolves change rotor, and 6-revolves set, 7-casing, 8-stator antifreeze plate, 9-stator magnetic conduction sheet, 10-rotor antifreeze plate, 11-rotor magnetic conduction sheet.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
See Fig. 1, Fig. 1 is the brushless revolver structural representation of prior art, as we can see from the figure, the brushless revolver structure of prior art becomes rotor 3, back-up ring 2, axle 4 by ring set 1 as former side, the ring as pair side, revolve and become rotor 5, revolve set 6 and casing 7 forms, ring set 1 and ring become rotor 3 makeup ring and become part, revolve set 6 and revolve change rotor 5 composition to revolve change part.The brushless revolver of prior art becomes part at ring and revolves between change part to be opened wide, and do not have magnetic isolation unit part, therefore ring change part can influence each other with the magnetic circuit revolving change part, causes the decline of transformer electric precision.
See Fig. 2, Fig. 2 is a kind of structural representation of brushless revolver of the present invention, brushless revolver of the present invention equally by ring set 1 as former side, the ring as pair side become rotor 3, back-up ring 2, axle 4, revolve become rotor 5, revolve set 6 and casing 7 form, ring set 1 and ring become rotor 3 makeup ring and become part, revolve set 6 and revolve change rotor 5 composition and revolve change part, different, brushless revolver of the present invention revolve become part and ring change part between be provided with magnetic isolation unit part.
Continue to see Fig. 2, magnetic isolation unit part of the present invention by be located at described ring set 1 and described revolve stator antifreeze plate 8 between set 6 and stator magnetic conduction sheet 9 and be located at described ring become rotor 3 and described revolving becomes rotor antifreeze plate 10 between rotor 5 and rotor magnetic conduction sheet 11 forms.Stator antifreeze plate 8 and rotor antifreeze plate 10 are the structures adopting non-magnet_conductible material to make, and described stator magnetic conduction sheet 9 and rotor magnetic conduction sheet 11 are the structures adopting permeability magnetic material to make.
Due to the restriction in space, usual stator antifreeze plate 8 and rotor antifreeze plate 10 are located at and become part side near ring, and stator magnetic conduction sheet 9 and rotor magnetic conduction sheet 11 are located near revolving change part side.By stator antifreeze plate 8 and rotor antifreeze plate 10, ring is become part like this to come with the magnetic circuit obstruct of revolving change part, due to revolve become part up and down between magnetic circuit be also subject to certain obstruct because of the setting of antifreeze plate, therefore setting up near the side of revolving change part at stator antifreeze plate 8 and rotor antifreeze plate 10 can the stator magnetic conduction sheet 9 of magnetic conduction and rotor magnetic conduction sheet 10, makes to revolve set 6 and revolve the magnetic circuit becoming rotor about 5 to obtain conducting.Under normal circumstances, the magnetic line of force scope become due to ring is less, and therefore the magnetic circuit up and down of ring change part is not easy the obstruct being subject to antifreeze plate, therefore at the magnetic circuit that can arrange between magnetic conduction sheet conducting ring set 1 and ring change rotor 3 that ring becomes.This kind of scheme just of showing in Fig. 2.
When space allows, or when ring change also needs to arrange magnetic conduction sheet conducting ring set 1 and ring change rotor 3 on one side, can become at ring and also magnetic conduction sheet is set on one side, the magnetic conduction sheet of such formation both sides magnetic conduction clamps the structure of the magnetic isolation unit part that the non-magnetic antifreeze plate of middle one deck is formed, and namely all increases magnetic conduction sheet at close ring change iron core with the two ends of revolving change iron core and clamps middle antifreeze plate.
Certainly, more than just embody rule example of the present invention, the technical scheme that the present invention also has other execution mode, all employings to be equal to replacement or equivalent transformation to be formed, all drops within protection range of the presently claimed invention.
Claims (3)
1. one kind is improved the method for brushless revolver electric precision, it is characterized in that: the method by become part at the ring of brushless revolver and revolve to set up between change part non-magnet_conductible material and permeability magnetic material be superimposed together formed every magnetic conductance magnet assembly, cut off by this not permeable section every magnetic conductance magnet assembly the cross one another magnetic circuit that ring becomes part and revolve change part; Simultaneously by becoming part every the permeable section connected ring of magnetic conductance magnet assembly or revolving the magnetic circuit become between the upper and lower stators and rotators of part; Become rotor every magnetic conductance magnet assembly by being located at ring set and revolving the stator antifreeze plate and stator magnetic conduction sheet that are superimposed together between set and be located at ring and revolve the rotor antifreeze plate that becomes and be superimposed together between rotor and rotor magnetic conduction sheet forms.
2. a brushless revolver structure, become rotor (3), back-up ring (2), axle (4) by ring set (1) as former side, the ring as pair side, revolve and become rotor (5), revolve set (6) and casing (7) forms, described ring set (1) and ring become rotor (3) makeup ring and become part, described revolve set (6) and revolve become rotor (5) composition revolve change part, it is characterized in that: described revolve become part and ring change part between be provided with every magnetic conductance magnet assembly; Described every magnetic conductance magnet assembly by be located at described ring set (1) and described revolve the stator antifreeze plate (8) and stator magnetic conduction sheet (9) that are superimposed together between set (6) and be located at described ring become rotor (3) and describedly revolve the rotor antifreeze plate (10) that is superimposed together between change rotor (5) and rotor magnetic conduction sheet (11) forms; Described stator antifreeze plate (8) and rotor antifreeze plate (10) are the structures adopting non-magnet_conductible material to make, and described stator magnetic conduction sheet (9) and rotor magnetic conduction sheet (11) are the structures adopting permeability magnetic material to make; Described stator antifreeze plate (8) and rotor antifreeze plate (10) are located at and become iron core one end near ring, and described stator magnetic conduction sheet (9) and rotor magnetic conduction sheet (11) are located at and become iron core one end near revolving.
3. brushless revolver structure according to claim 2, it is characterized in that: described stator magnetic conduction sheet (9) and rotor magnetic conduction sheet (11) are respectively two panels, be located at respectively and become iron core and close two ends of revolving change iron core near ring, described stator antifreeze plate (8) is clipped between two panels stator magnetic conduction sheet (9), and described rotor antifreeze plate (10) is clipped between two panels rotor magnetic conduction sheet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479620.9A CN103021645B (en) | 2012-11-23 | 2012-11-23 | Improve method and the structure of brushless revolver electric precision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479620.9A CN103021645B (en) | 2012-11-23 | 2012-11-23 | Improve method and the structure of brushless revolver electric precision |
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| Publication Number | Publication Date |
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| CN103021645A CN103021645A (en) | 2013-04-03 |
| CN103021645B true CN103021645B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210479620.9A Expired - Fee Related CN103021645B (en) | 2012-11-23 | 2012-11-23 | Improve method and the structure of brushless revolver electric precision |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105137235B (en) * | 2015-08-27 | 2018-04-10 | 北京航天控制仪器研究所 | A kind of function detecting method of rotary transformer electric bridge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394760A (en) * | 1992-06-03 | 1995-03-07 | Trw Inc. | Torque sensor for a power assist steering system |
| CN2503583Y (en) * | 2001-09-11 | 2002-07-31 | 北京利尔德科技有限责任公司 | Screened toroidal transformer |
| CN101154835A (en) * | 2006-09-25 | 2008-04-02 | 天津得鑫电机有限公司 | Permanent magnet motor with axial permanent magnetic potential control and compensation function |
| CN202008417U (en) * | 2011-03-31 | 2011-10-12 | 比亚迪股份有限公司 | Non-contact torque sensing device |
| CN202374058U (en) * | 2011-12-28 | 2012-08-08 | 西安微电机研究所 | Toroidal transformer type signal transmission device |
| CN102664095A (en) * | 2012-06-06 | 2012-09-12 | 哈尔滨工业大学 | Double-stator double-channel axial magnetic circuit reluctance type rotary transformer |
| CN202917321U (en) * | 2012-11-23 | 2013-05-01 | 贵州航天林泉电机有限公司 | Non-contact rotary transformer structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201887625U (en) * | 2010-05-04 | 2011-06-29 | 刘新广 | Coreless permanent magnet motor |
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2012
- 2012-11-23 CN CN201210479620.9A patent/CN103021645B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394760A (en) * | 1992-06-03 | 1995-03-07 | Trw Inc. | Torque sensor for a power assist steering system |
| CN2503583Y (en) * | 2001-09-11 | 2002-07-31 | 北京利尔德科技有限责任公司 | Screened toroidal transformer |
| CN101154835A (en) * | 2006-09-25 | 2008-04-02 | 天津得鑫电机有限公司 | Permanent magnet motor with axial permanent magnetic potential control and compensation function |
| CN202008417U (en) * | 2011-03-31 | 2011-10-12 | 比亚迪股份有限公司 | Non-contact torque sensing device |
| CN202374058U (en) * | 2011-12-28 | 2012-08-08 | 西安微电机研究所 | Toroidal transformer type signal transmission device |
| CN102664095A (en) * | 2012-06-06 | 2012-09-12 | 哈尔滨工业大学 | Double-stator double-channel axial magnetic circuit reluctance type rotary transformer |
| CN202917321U (en) * | 2012-11-23 | 2013-05-01 | 贵州航天林泉电机有限公司 | Non-contact rotary transformer structure |
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| CN103021645A (en) | 2013-04-03 |
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