CN208986778U - Resolver fixed mechanism and its motor - Google Patents
Resolver fixed mechanism and its motor Download PDFInfo
- Publication number
- CN208986778U CN208986778U CN201821975833.XU CN201821975833U CN208986778U CN 208986778 U CN208986778 U CN 208986778U CN 201821975833 U CN201821975833 U CN 201821975833U CN 208986778 U CN208986778 U CN 208986778U
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- Prior art keywords
- resolver
- motor
- rotor
- fixed
- stator
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims description 16
- 125000004122 cyclic group Chemical group 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 5
- 229920001342 Bakelite® Polymers 0.000 claims description 2
- 239000004637 bakelite Substances 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000002360 explosive Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000005355 Hall effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model provides a kind of resolver fixed mechanism and its motor, which is applied in motor, includes bottom case, resolver stator and magnetic conduction cover board.Bottom case has supporting part and flange part;Supporting part has the perforation through central axes, and flange part extends supporting part, and flange part has a pedestal outstanding.Resolver stator is fixed on pedestal.Magnetic conduction cover board has fixed part and shielding portion.Fixed part is fixed between resolver stator and pedestal, and non-magnetic gasket is arranged between resolver stator and fixed part.Shielding portion extends fixed part, and extends towards central axes.By shielding portion, the magnetic line of force for avoiding coil converges on resolver assembly, to reduce the probability that mistake occurs for resolver signal.
Description
Technical field
The utility model is related with the resolver of motor, especially with regard to a kind of resolver fixed mechanism and its motor.
Background technique
When the motor running of electric vehicle or oily electric car, system needs accurate perception motor output state, especially motor to turn
Speed just can ensure that motor normal operation, and assign correct control instruction.
Motor rotary speed system is detected with resolver, and the rotor and stator of resolver are usually all disposed in the shell of motor.Its
Middle stator can be fixed on shell, and rotor can be fixed on mandrel or motor rotor.But whether motor rotor or motor
Stator can all generate high-intensity magnetic field.And the output signal of resolver is string wave signal.This string wave signal is interfered vulnerable to high-intensity magnetic field
And cause to be distorted with noise.String wave signal judges motor operation mistake once being distorted and will lead to system, and motor is forced to close
Machine.If automobile may cause danger of short duration run out of steam because mistake causes motor to shut down in running car.
Utility model content
In view of the above problems, the utility model proposes a kind of resolver fixed mechanisms, are applied to a motor.The resolver
The changes of magnetic field interference that fixed mechanism generates when can avoid resolver by motor operation avoids motor rotary speed detection operation from occurring wrong
Error signal causes system to carry out power-off shutdown to motor.
The utility model proposes a kind of resolver fixed mechanisms, include bottom case, resolver stator and magnetic conduction cover board.Bottom
Shell has supporting part and flange part;Supporting part has the perforation through central axes, and flange part extends supporting part, and flange part
With pedestal outstanding.Resolver stator is fixed on pedestal.Magnetic conduction cover board has a fixed part and a shielding portion;Wherein, fixed
Portion is fixed between resolver stator and pedestal, and non-magnetic gasket is arranged between resolver stator and fixed part;Wherein, it covers
Portion extends fixed part, and extends towards central axes.
Based on above-mentioned resolver fixed mechanism, the utility model proposes a kind of motors, solid comprising foregoing resolver
Determine mechanism, motor stator, mandrel, motor rotor and resolver rotor.Motor stator has coil fixing support and multiple lines
Circle;Coil fixing support has a cyclic annular winding slot, and multiple coils are to concentrate winding mode to be fixed on coil fixing support.Mandrel is worn
It is placed in supporting part.Motor rotor is set in mandrel, and is located in cyclic annular winding slot.Resolver rotor is fixed on motor and turns
Son;Wherein, distance of the resolver stator relative to central axes, the distance greater than resolver rotor compared to central axes, and cover
It blocks between bottom case and resolver rotor in portion.
The utility model proposes a kind of resolver fixed mechanism again, includes bottom case, resolver stator and magnetism-isolating loop.Bottom
Shell has supporting part and flange part;Supporting part has the perforation through central axes, and flange part extends supporting part, and flange part
With pedestal outstanding.Resolver stator is fixed on pedestal.One wall surface position of magnetism-isolating loop is located at the outside of resolver stator.
Based on above-mentioned resolver fixed mechanism, the utility model proposes a kind of motor again, includes foregoing resolver
Fixed mechanism, motor stator, mandrel, motor rotor and resolver rotor.Motor stator has coil fixing support and multiple
Coil;Coil fixing support has cyclic annular winding slot, and multiple coils are to concentrate winding mode to be fixed on coil fixing support.Mandrel is worn
It is placed in supporting part.Motor rotor is set in mandrel, and is located in cyclic annular winding slot.Resolver rotor is fixed on motor and turns
Son;Wherein, distance of the resolver stator relative to central axes, the distance greater than resolver rotor compared to central axes, and cover
It blocks between bottom case and resolver rotor in portion.
The utility model does not also modify existing motor configuration in the configuration for not changing resolver stator and resolver rotor,
But in a manner of additional magnetic conduction cover board or magnetism-isolating loop, the magnetic line of force of coil is avoided to converge on resolver stator or resolver turn
Son, and the signal transmitting and receiving of resolver stator or resolver rotor is avoided to be interfered by coil.Therefore the resolver fixed structure
It can rapidly be incorporated into existing motor design, without redesigning motor configuration.
Detailed description of the invention
Fig. 1 is the resolver fixed mechanism of the utility model first embodiment and its perspective view of motor.
Fig. 2 is the resolver fixed mechanism of the utility model first embodiment and its explosive view of motor.
Fig. 3 is the resolver fixed mechanism of the utility model first embodiment and its diagrammatic cross-section of motor.
Fig. 4 is the diagrammatic cross-section of subelement in the resolver fixed mechanism of the utility model first embodiment.
Fig. 5 is the resolver fixed mechanism of the utility model second embodiment and its explosive view of motor.
Fig. 6 is the diagrammatic cross-section of subelement in the resolver fixed mechanism of the utility model second embodiment.
Fig. 7 is the resolver fixed mechanism of the utility model 3rd embodiment and its explosive view of motor.
Fig. 8 is the diagrammatic cross-section of subelement in the resolver fixed mechanism of the utility model 3rd embodiment.
Wherein appended drawing reference are as follows:
100 motor, 110 bottom case
112 supporting part, 114 flange part
116 through hole, 118 pedestal
120 motor stator, 122 coil fixing support
The cyclic annular winding slot of 124 coil 126
130 mandrel, 140 motor rotor
142 annular sidewall, 144 rotor bushing
145 reduction gearing section, 146 permanent magnet component
148 holding part, 152 resolver rotor
154 resolver stator, 160 magnetic conduction cover board
162 fixed part, 164 shielding portion
166 non-magnetic 170 magnetism-isolating loops of gasket
The central axes L
Specific embodiment
It please refers to shown in Fig. 1, Fig. 2 and Fig. 3, is a kind of fixed machine of resolver disclosed by the utility model first embodiment
Structure is applied to a motor 100.Motor 100 has a bottom case 110, a motor stator 120, a mandrel 130, a motor rotor
140, a resolver assembly and a magnetic conduction cover board 160.
As shown in Figures 1 and 2, bottom case 110 has a supporting part 112 and a flange part 114.Supporting part 112 is column,
And there is the pass through aperture 116 through a central axes L, mandrel 130 is placed through supporting part 112 by through hole 116.Flange part
114 extend supporting part 112, and form a disc-shaped structure.
As shown in Figure 1, Figure 2 and shown in Fig. 3, motor stator 120 has a coil fixing support 122 and multiple coils 124.Coil
Fixed frame 122 is ring-type, has a cyclic annular winding slot 126.Multiple coils 124 are to concentrate winding mode to be fixed on coil fixing support
122.Wherein, the coiling axis of coil 124 is perpendicular to the central axes L of cyclic annular winding slot 126.Multiple coils 124 are compartment of terrain
Setting, to provide the magnetic field of checker.
As shown in Figures 1 and 2, in a specific embodiment, motor rotor 140 has a rotor bushing 144, rotor bushing
144 include 145 structure of 142 structure of an annular sidewall and a reduction gearing section, annular sidewall 142 and reduction gearing section 145
It is to be integrally formed in rotor bushing 144.The configuration of 142 structure surrounding rotor bushing 144 of annular sidewall.Reduction gearing section 145 extends
144 outer surface of rotor bushing is formed in rotor bushing 144 or reduction gearing section 145, so that 145 knot of reduction gearing section
Together in rotor bushing 144.140 overall structure of motor rotor is that rotor bushing 144 is movably placed on mandrel 130, through reducing gear
Straight block face in wheel section 145 positions in the axial direction of mandrel 130, is rotatablely arranged at motor rotor 140 in mandrel 130.
As shown in Figures 1 and 2,142 outer peripheral surface of annular sidewall is provided with multiple permanent magnet components 146, those permanent magnet components 146
It is positioned apart from outer peripheral surface.Aforementioned reduction gearing section 145 is for being coupled in a reduction gearing assembly, to export motor rotor
140 rotate generated power.
As shown in Fig. 2, Fig. 3 and Fig. 4, resolver assembly includes resolver rotor 152 and resolver stator 154.In Fig. 3
Reduction gearing section 145 is not painted to express with mandrel 130 with simplified illustration.Resolver rotor 152 is fixed on rotor bushing 144, from
And it is fixed on motor rotor 140, and resolver rotor 152 can be rotated simultaneously with motor rotor 140.Resolver rotor 152
The other parts of motor rotor 140 can also be fixed on, as long as resolver rotor 152 and motor rotor 140 can rotate simultaneously i.e.
It can.In addition, the side of motor rotor 140 towards bottom case 110 is isolated into a holding part 148, and resolver by rotor bushing 144
Stator 154, resolver rotor 152 are all located in holding part 148.
As shown in Fig. 2, Fig. 3 and Fig. 4, resolver stator 154 is fixed on the flange part 114 of bottom case 110.Wherein, flange part
114 have one towards the pedestal 118 outstanding of motor rotor 140, and the resolver stator 154 is fixed on fixing means such as bolts
Pedestal 118.
As shown in figure 4, distance of the resolver stator 154 relative to central axes L, is greater than resolver rotor 152 compared in
The distance of axis L.One specific embodiment of resolver assembly is Hall sensor, the every detour central axes L mono- of resolver rotor 152
Circle, can be primary by the side of resolver stator 154, and can produce hall sensing effect (Hall effect).Through Hall sense
Answer effect (Hall effect) that the revolving speed (that is, revolving speed of motor 100) of motor rotor 140 can be obtained.Resolver assembly is not arranged
Except the testing mechanism for other forms, emit as long as being arranged to resolver stator 154 and resolver rotor 152 respectively as signal
End and signal receiving end.
As shown in Figure 3 and Figure 4, magnetic conduction cover board 160 has a fixed part 162 and a shielding portion 164.Fixed part 162 is fixed
Non-magnetic gasket is set between resolver stator 154 and pedestal 118, and between resolver stator 154 and fixed part 162
166, fixed part 162 will not be directed through by the magnetic line of force of magnetic conduction cover board 160 by, which making, enters resolver stator 154.Shielding portion 164
Fixed part 162 is extended, and is extended towards central axes L, the holding part 148 is covered, and blocks and turns in bottom case 110 and resolver
Between son 152.In addition, the outer peripheral edge of shielding portion 164 has an extension, the lateral surface of resolver stator 154 is extended, and every
From between resolver stator 154 and the annular sidewall 142 of motor rotor 140.One specific embodiment of magnetic conduction cover board 160 can be
Cold-pressed steel plate, such as meet the steel plate of JIS 3141-1996 specification.One specific embodiment of non-magnetic gasket 166 be bakelite or
Other plastic materials.
As shown in figure 4,124 system of coil is located at 154 outside (not shown) of resolver stator.It is produced when coil 124 acts on
When raw changes of magnetic field, the magnetic line of force of coil 124 by the attraction by magnetic conduction cover board 160, and converges on magnetic conduction cover board 160, reduces
By the density of line of magnetic force of resolver stator 154 or resolver rotor 152, so that resolver stator 154 or resolver be avoided to turn
The signal transmitting and receiving of son 152 is interfered, and further avoids the generation of 100 Rotating speed measring Problem-Error of motor.
It as shown in figs. 5 and 6, is a kind of resolver fixed mechanism disclosed by the utility model second embodiment, application
In a motor 100.The motor 100 has a bottom case 110, a motor stator 120, a mandrel 130, a motor rotor 140, one solution
Angle device assembly and a magnetism-isolating loop 170.
As shown in figs. 5 and 6, second embodiment different from the first embodiment is the motor 100 of second embodiment not
Magnetic conduction cover board 160 is configured, and increases magnetism-isolating loop 170.As shown, magnetism-isolating loop 170 is made of un-conducted magnetic material, such as stainless
Steel passes through the magnetic line of force is isolated.In a specific embodiment, the stainless steel be meet JIS G4303:2005 specification it is stainless
Steel.
As shown in figs. 5 and 6, magnetism-isolating loop 170 is fixed on the outside of resolver stator 154;In a specific embodiment, it is
After the outer perimeter section of resolver stator 154 is cut, for combining magnetism-isolating loop 170.But in fact, as long as magnetism-isolating loop 170 is located at
The outside of resolver stator 154, and permanent magnet component 146 and coil 124 can be isolated from the outer of resolver stator 154 in radial direction
Side.Therefore, magnetism-isolating loop 170 can also be fixed on motor rotor 140 or be fixed on the rotor bushing 144 of motor rotor 140.
As shown, magnetism-isolating loop 170 is fixed on the inside of annular sidewall 142, and is formed embedding in another specific embodiment
Together in the aspect of annular sidewall 142.
When coil 124, which acts on, generates changes of magnetic field, the magnetic line of force of coil 124, by the court by the blocking of magnetism-isolating loop 170
It is dissipated to the both ends of central axes L, the magnetic line of force is avoided to converge on resolver stator 154 or resolver rotor 152, reduction passes through Xie Jiao
The density of line of magnetic force of device stator 154 or resolver rotor 152, to avoid the letter of resolver stator 154 or resolver rotor 152
Number transmitting-receiving by the magnetic line of force interfere, further avoid 100 Rotating speed measring Problem-Error of motor generation.
It please refers to shown in Fig. 7 and Fig. 8, is a kind of resolver fixed mechanism disclosed by the utility model 3rd embodiment,
Applied to a motor 100.The motor 100 have a bottom case 110, a motor stator 120, a mandrel 130, a motor rotor 140,
One resolver assembly, a magnetic conduction cover board 160 and a magnetism-isolating loop 170.
As illustrated in figs. 7 and 8,3rd embodiment is mainly implemented the magnetic conduction cover board 160 of first embodiment and second
The magnetism-isolating loop 170 of example is incorporated into same motor 100.Therefore, when coil 124, which acts on, generates changes of magnetic field, the magnetic of coil 124
The line of force will be dissipated towards the both ends of central axes L by the blocking of magnetism-isolating loop 170, the magnetic line of force avoided to converge on resolver stator
154 or resolver rotor 152;Still towards resolver stator 154 or the convergent magnetic line of force of resolver rotor 152, by magnetic conductive cover
The attraction of plate 160, and converge on magnetic conduction cover board 160;Therefore magnetic conduction cover board 160 and magnetism-isolating loop 170 configure simultaneously, Ke Yigeng
The density of line of magnetic force by resolver stator 154 or resolver rotor 152 is efficiently reduced, to avoid resolver stator 154
Or the signal transmitting and receiving of resolver rotor 152 is interfered, and further avoids the generation of 100 Rotating speed measring Problem-Error of motor.
The utility model does not also modify existing motor in the configuration for not changing resolver stator 154 and resolver rotor 152
100 structures, but in a manner of additional magnetic conduction cover board 160 or magnetism-isolating loop 170, avoid the magnetic line of force of coil 124 from converging on solution
Angle device stator 154 or resolver rotor 152, and avoid the signal transmitting and receiving of resolver stator 154 or resolver rotor 152 by dry
It disturbs.Therefore the resolver fixed structure can be rapidly incorporated into the existing design of motor 100, without setting again
Count 100 structure of motor.
Claims (20)
1. a kind of resolver fixed mechanism, which is characterized in that include:
One bottom case has a supporting part and a flange part;The supporting part has the perforation through a central axes, the flange part
The supporting part is extended, and the flange part has a pedestal outstanding;
One resolver stator, is fixed on the pedestal;And
One magnetic conduction cover board has a fixed part and a shielding portion;Wherein, which is fixed on the resolver stator and the pedestal
Between, and a non-magnetic gasket is set between the resolver stator and the fixed part;Wherein, which extends this and fixes
Portion, and extend towards the central axes.
2. resolver fixed mechanism as described in claim 1, which is characterized in that further include a magnetism-isolating loop, the one of the magnetism-isolating loop
Wall surface position is located at the outside of the resolver stator.
3. resolver fixed mechanism as described in claim 1, which is characterized in that the outer peripheral edge of the shielding portion has one to extend
Portion extends the lateral surface of the resolver stator.
4. resolver fixed mechanism as described in claim 1, which is characterized in that the non-magnetic gasket is by bakelite or plastic material
It is made.
5. a kind of motor, characterized by comprising:
Resolver fixed mechanism as described in claim 1 or claim 2;
One motor stator has a coil fixing support and multiple coils;The coil fixing support has a cyclic annular winding slot, and should
Multiple coils are to concentrate winding mode to be fixed on coil fixing support;
One mandrel is placed through the supporting part;
One motor rotor is set in the mandrel, and is located in the ring-type winding slot;And
One resolver rotor, is fixed on the motor rotor;Wherein, the distance of the resolver stator relative to the central axes, is greater than
The resolver rotor is compared to the distance of the central axes, and the shielding portion blocks between the bottom case and the resolver rotor.
6. motor as claimed in claim 5, which is characterized in that the coiling axis of each coil is perpendicular to the central axes,
And multiple coil is to be positioned apart from.
7. motor as claimed in claim 5, which is characterized in that the motor rotor has a rotor bushing and a reduction gearing
Section, the reduction gearing section are incorporated into the rotor bushing.
8. motor as claimed in claim 7, which is characterized in that the resolver rotor is fixed on the rotor bushing, thus fixed
In the motor rotor.
9. motor as claimed in claim 7, which is characterized in that the rotor bushing has an annular sidewall, serves as a contrast around the rotor
Set configuration.
10. motor as claimed in claim 9, which is characterized in that the annular sidewall outer peripheral surface is provided with multiple permanent magnet components, and
Multiple permanent magnet component is positioned apart from outer peripheral surface.
11. a kind of resolver fixed mechanism, which is characterized in that include:
One bottom case has a supporting part and a flange part;The supporting part has the perforation through a central axes, the flange part
The supporting part is extended, and the flange part has a pedestal outstanding;
One resolver stator, is fixed on the pedestal;And
One magnetism-isolating loop, wherein a wall surface position of the magnetism-isolating loop is located at the outside of the resolver stator.
12. resolver fixed mechanism as claimed in claim 11, which is characterized in that the magnetism-isolating loop is made of un-conducted magnetic material.
13. a kind of motor, characterized by comprising:
Resolver fixed mechanism as claimed in claim 11;
One motor stator has a coil fixing support and multiple coils;The coil fixing support has a cyclic annular winding slot, and should
Multiple coils are to concentrate winding mode to be fixed on coil fixing support;
One mandrel is placed through the supporting part;
One motor rotor is set in the mandrel, and is located in the ring-type winding slot;And
One resolver rotor, is fixed on the motor rotor;Wherein, the distance of the resolver stator relative to the central axes, is greater than
Distance of the resolver rotor compared to the central axes.
14. motor as claimed in claim 13, which is characterized in that the coiling axis of each coil is perpendicular to the axis
Line, and multiple coil is to be positioned apart from.
15. motor as claimed in claim 13, which is characterized in that the motor rotor has a rotor bushing and a reducing gear
Section is taken turns, which is incorporated on the rotor bushing.
16. motor as claimed in claim 15, which is characterized in that and the resolver rotor is fixed on the rotor bushing, thus
It is fixed on the motor rotor.
17. motor as claimed in claim 15, which is characterized in that the rotor bushing has an annular sidewall, around the rotor
Bushing configuration.
18. motor as claimed in claim 17, which is characterized in that the annular sidewall outer peripheral surface is provided with multiple permanent magnet components,
And multiple permanent magnet component is positioned apart from outer peripheral surface.
19. motor as claimed in claim 17, which is characterized in that the magnetism-isolating loop is located at the resolver stator and the annular sidewall
Between.
20. motor as claimed in claim 19, which is characterized in that the magnetism-isolating loop is fixed on the motor rotor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821975833.XU CN208986778U (en) | 2018-11-28 | 2018-11-28 | Resolver fixed mechanism and its motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821975833.XU CN208986778U (en) | 2018-11-28 | 2018-11-28 | Resolver fixed mechanism and its motor |
Publications (1)
Publication Number | Publication Date |
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CN208986778U true CN208986778U (en) | 2019-06-14 |
Family
ID=66791530
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Application Number | Title | Priority Date | Filing Date |
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CN201821975833.XU Expired - Fee Related CN208986778U (en) | 2018-11-28 | 2018-11-28 | Resolver fixed mechanism and its motor |
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CN (1) | CN208986778U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111245163A (en) * | 2018-11-28 | 2020-06-05 | 华擎机械工业股份有限公司 | Angle resolver fixing mechanism and motor thereof |
-
2018
- 2018-11-28 CN CN201821975833.XU patent/CN208986778U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111245163A (en) * | 2018-11-28 | 2020-06-05 | 华擎机械工业股份有限公司 | Angle resolver fixing mechanism and motor thereof |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 |