CN104779762B - A kind of electric rotating machine rotary transformer - Google Patents
A kind of electric rotating machine rotary transformer Download PDFInfo
- Publication number
- CN104779762B CN104779762B CN201510182077.XA CN201510182077A CN104779762B CN 104779762 B CN104779762 B CN 104779762B CN 201510182077 A CN201510182077 A CN 201510182077A CN 104779762 B CN104779762 B CN 104779762B
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- CN
- China
- Prior art keywords
- protective shell
- stator
- rotor
- shaft
- fixedly connected
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/12—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using detecting coils using the machine windings as detecting coil
Abstract
The invention discloses a kind of electric rotating machine rotary transformer, including protective shell, protective shell to be fixedly connected with external object; stator and rotor are included in protective shell; stator and rotor are hollow cylinder, and rotor is arranged in the hollow-core construction of stator, and shaft is further included in the space structure of rotor；Rotor is fixedly connected with shaft, and stator is fixedly connected with protective shell, and rotor can be with shaft rotation and relative to stator rotation；Stator is electrically connected to rotation and becomes lead, and rotation becomes lead and obtains the rotating speed and phase information of rotor, and rotating speed and phase information are sent out.
Description
Technical field
The present invention relates to electric motors, especially, are related to a kind of electric rotating machine rotary transformer.
Background technology
With the continuous improvement of permanent magnetic material performance, and permanent magnetic drive technology reaches its maturity, and permanent magnet traction motor obtains
To fast development.The key components and parts rotary transformer of magneto is controlled and driven as drive system (hereinafter referred to as
Rotation becomes), its demand is increasing, while also higher and higher to the adaptation of its environment and the requirement of reliability.Therefore, how to simplify
Rotation becomes installation maintenance requirement, the adaptation of its environment and reliability is improved, to meet that the rigors under various operating modes and environment are to push away
One of key of wide permanent-magnet drive system application.
In the prior art, installation rotation change is mainly the following mode：
First, rotation is become and is installed on motor internal.Although the method avoids the influence that external environment becomes rotation, but in motor
The high temperature in portion and complicated electromagnetic environment are big on rotation change influence, and fail if rotation becomes, and need to integrally disassemble motor could more
Change；
2nd, it will revolve and become installed in the outside of driving end.The length that axis is stretched is this method increased, and is become if replacing rotation,
Motor is integrally unloaded, so safeguarding still inconvenience；
3rd, rotation change is fixed on motor non-transmision end end cap.The method is using wide.This method debugs rotation every time
Change will open protective cover will revolve become it is exposed outside, be unfavorable for on-site maintenance.
Current rotation becomes no clear and definite positioning function, and rotation becomes installation site and differs greatly, and debugging rotation becomes and motor pole pair
Middle heavy workload, is unfavorable for producing in batches；Rotation becomes stator and the installation of rotor is inconvenient.If installed using tight fit, dismounting
It is all inconvenient, extra pressing device is needed to improve the resistance to shock that rotation becomes, therefore also not if being installed using loose fit
Beneficial to applying on bulk article；Meanwhile safeguard inconvenient, not only revolve change and dismount inconvenience in itself, may further relate to motor and
Transmission system is dismantled；In addition, contamination resistance is poor, rotation change electromagnetic wire is exposed in atmosphere, once exterior protection fails, rotation change can
It can be quickly invalidated.
For rotation in the prior art become installation positioning it is indefinite, to motor pole debugging workload is excessive, installing and dismounting
Complexity, safeguard the problem of cumbersome, and there has been no effective solution at present.
The content of the invention
For rotation in the prior art become installation positioning it is indefinite, to motor pole debugging workload is excessive, installing and dismounting
Complexity, safeguard the problem of cumbersome, it is an object of the invention to propose a kind of electric rotating machine rotary transformer, can fix rotation and become
Installation site, reduce debugging workload, installing and dismounting is simple and efficient, facilitates on-site maintenance.
Based on above-mentioned purpose, technical solution provided by the invention is as follows：
A kind of according to an aspect of the invention, there is provided electric rotating machine rotary transformer.
The rotary transformer of permanent magnet motor provided according to the present invention includes protective shell, and protective shell is fixed with external object to be connected
Connecing, stator and rotor are included in protective shell, stator and rotor are hollow cylinder, and rotor is arranged in the hollow-core construction of stator,
Shaft is further included in the space structure of rotor；Rotor is fixedly connected with shaft, and stator is fixedly connected with protective shell, and rotor can be with
Shaft rotate and relative to stator rotation；Stator is electrically connected to rotation and becomes lead, and rotation becomes the rotating speed and phase that lead obtains rotor
Information, and rotating speed and phase information are sent out.
Wherein, rotor is fixedly connected with shaft, to have a rotor convex key on rotor, is had in shaft one corresponding with rotor convex key
Concave key, be fixedly connected between rotor and shaft by the connection between rotor convex key and its corresponding concave key, rotor can be with
Shaft rotate and relative to stator rotation；Stator is fixedly connected with protective shell, is to have a stator convex key on stator, in protective shell
There is a concave key corresponding with stator convex key in side, passes through the company between stator convex key and its corresponding concave key between stator and protective shell
Connect and be fixedly connected, stator can together keep opposing stationary when shaft is rotated with protective shell.
Wherein, rotor is fixedly connected with shaft, to have a rotor concave key on rotor, is had in shaft one corresponding with rotor concave key
Convex key, be fixedly connected between rotor and shaft by the connection between rotor concave key and its corresponding convex key, rotor can be with
Shaft rotate and relative to stator rotation；Stator is fixedly connected with protective shell, is to have a stator concave key on stator, in protective shell
There is a convex key corresponding with stator concave key in side, passes through the company between stator concave key and its corresponding convex key between stator and protective shell
Connect and be fixedly connected, stator can together keep opposing stationary when shaft is rotated with protective shell.
Above-mentioned protective shell is fixedly connected with external object, is fixedly connected for protective shell by bolt with external object；Protection
Shell cross section is circle, and protective shell includes at least one positioning round orifice and multiple kidney slots, multiple kidney slots edge on protective shell
Circumference is uniformly arranged；When protective shell is fixedly connected by the bolt being fixed in multiple kidney slots with external object, protective shell
The rotation of low-angle can be carried out using shaft as axis.
Also, there is through hole on protective shell, rotation becomes lead and draws protective shell by through hole, and rotation, which becomes outside lead, is cased with hose, soft
Pipe has a hose coupling close to one end of protective shell, and hose is revolved by being fixed in through hole that hose coupling is inserted on protective shell
Becoming the end of lead has rotation change line interface, and rotation becomes line interface connectable to external equipment and transmits the rotating speed and phase letter of rotor
Breath.
Also, there is casting glue in protective shell, casting glue is poured into the space between protective shell and stator, and casting glue will be protected
Protective case is fixed and the space inside protective shell and outside is completely isolated with stator with high intensity.
Also, rotation becomes line interface, rotation becomes lead, hose, hose coupling, protective shell, stator, rotor, casting glue form one
A integrated module, integrated module are considered as an entirety in installation and maintenance, without further disassembling.
There is shaft extending port on above-mentioned protective shell, shaft extending port is arranged at the protective shell parallel with stator, rotor
Side wall on, shaft extending port can directly safeguard shaft in the case where not dismantling protective shell.
From the above it can be seen that technical solution provided by the invention is become by using the protective shell of fixed position for rotation
Positioning is provided, improves installation uniformity and accuracy, reduces the workload of installation and debugging；Most of component is integrated,
It is easily installed maintenance；Intensive enclosed inside is motor from external environmental interference, raising protection and anti seismic efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the protection shell structure transverse cross-sectional view according to the rotary transformer of permanent magnet motor of the embodiment of the present invention；
Fig. 2 is the stator and rotor structure transverse cross-sectional view according to the rotary transformer of permanent magnet motor of the embodiment of the present invention；
Fig. 3 is laterally to be cutd open with rotor structure according to another stator of the rotary transformer of permanent magnet motor of the embodiment of the present invention
Face figure；
Fig. 4 is the overall structure longitudinal sectional drawing according to the rotary transformer of permanent magnet motor of the embodiment of the present invention；
Fig. 5 is in the rotary transformer of permanent magnet motor according to the embodiment of the present invention, and protective shell includes the whole of shaft extending port
Body structure longitudinal sectional drawing.
Above-mentioned attached drawing includes the following drawings mark：1 becomes line interface for rotation, and 2 become lead for rotation, and 3 be hose, and 4 be hose
Connector, 5 be protective shell, and 6 be stator, and 7 be rotor, and 8 be casting glue, and 9 be stator convex key, and 10 be rotor convex key, and 11 be setting circle
Hole, 12 be kidney slot, and 13 be shaft, and 14 be stator concave key, and 15 be rotor concave key, and 16 be shaft extending port.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution in the embodiment of the present invention is further carried out it is clear, complete, describe in detail, it is clear that it is described
Embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area
Those of ordinary skill's all other embodiments obtained, belong to the scope of protection of the invention.
According to an embodiment of the invention, there is provided a kind of electric rotating machine rotary transformer.
As shown in Figures 1 and 2, rotary transformer of permanent magnet motor according to an embodiment of the invention includes protective shell 5, protection
Shell 5 is fixedly connected with external object, and comprising stator 6 and rotor 7 in protective shell 5, stator 6 and rotor 7 are hollow cylinder, rotor
7 are arranged in the hollow-core construction of stator 6, and shaft 13 is further included in the space structure of rotor 7；Rotor 7 is fixedly connected with shaft 13,
Stator 6 is fixedly connected with protective shell 5, and rotor 7 can be rotated with shaft 13 and rotated relative to stator 6；Stator 6 is electrically connected to
Rotation becomes lead 2, and rotation becomes lead 2 and obtains the rotating speed and phase information of rotor 7, and rotating speed and phase information are sent out.
In one embodiment, as shown in Fig. 2, rotor 7 is fixedly connected with shaft 13, to have a rotor convex key on rotor 7
10, there are one and 10 corresponding concave key of rotor convex key in shaft 13, by rotor convex key 10 and its corresponding between rotor 7 and shaft 13
Concave key between connection and be fixedly connected, rotor 7 can be rotated with shaft 13 and rotated relative to stator 6；Stator 6 and protection
Shell 5 is fixedly connected, and to there is a stator convex key 9 on stator 6, there are one and 9 corresponding concave key of stator convex key, stator 6 in the inner side of protective shell 5
It is fixedly connected between protective shell 5 by the connection between stator convex key 9 and its corresponding concave key, stator 6 can be in shaft 13
Together keep opposing stationary with protective shell 5 during rotation.
In another embodiment, as shown in figure 3, rotor 7 is fixedly connected with shaft 13, to there is a rotor recessed on rotor 7
Key 15, has one and 15 corresponding convex key of rotor concave key in shaft 13, by rotor concave key 15 and its right between rotor 7 and shaft 13
Connection between the convex key answered and be fixedly connected, rotor 7 can be rotated with shaft 13 and rotated relative to stator 6；Stator 6 is with protecting
Protective case 5 is fixedly connected, and to there is a stator concave key 14 on stator 6, there are one and 14 corresponding convex key of stator concave key in the inner side of protective shell 5,
It is fixedly connected between stator 6 and protective shell 5 by the connection between stator concave key 14 and its corresponding convex key, stator 6 can be
Together keep opposing stationary with protective shell 5 when shaft 13 rotates.
Both are fixedly connected with mode and stator 6 and the relative motion mode of rotor 7 can be defined well, avoid
Opposite slip occurs between rotor 7 and shaft 13 and between stator 6 and protective shell 5, influences rotating speed and phase data detection
Effect.
Above-mentioned protective shell 5 is fixedly connected with external object, is fixedly connected for protective shell 5 by bolt with external object；Protect
5 cross section of protective case is circle, and protective shell 5 includes at least one positioning round orifice 11 and multiple kidney slots 12, and multiple kidney slots 12 exist
Circumferentially line is uniformly arranged on protective shell 5；Protective shell 5 is fixed by the bolt being fixed in multiple kidney slots 12 with external object
During connection, protective shell 5 can carry out the rotation of low-angle with shaft 13 for axis.
When rotary transformer is installed on motor, the position relationship of stator 6 and motor stator be it is fixed, rotor 7 with
The position relationship of rotor is also fixed.It is that rotation can not be into after becoming installation when each part processing precision is sufficiently high in motor
Row debugging.If each part processing precision does not reach the requirement that debugging is exempted from rotation change in motor, the mechanical angle error of change is revolved still
Can be very small, the workload of debugging can be reduced using multiple kidney slots 12 at this time, rotation is improved and becomes debugging efficiency.
When being debugged and being safeguarded, it may be necessary in the position of a small range adjustment protective shell 5 and posture, can lead at this time
The fixation of multiple kidney slots 12 and bolt is crossed to complete.Bolt can not change ensureing 5 place large-scale position of protective shell
On the premise of, adjust its position in multiple kidney slots 12 by varying the tightness of bolt, and then finely-tuned protection shell 5
Position and posture.When carrying out installation and debugging, multiple kidney slots 12 can be used only and be adjusted without using multiple positioning round orifice 11
Examination, is accurately positioned after the completion of debugging using multiple positioning round orifice 11, it can be ensured that protective shell 5 in the operating condition will not be because
Shake and cause displacement or deformation.When being safeguarded, the locking state for first releasing multiple positioning round orifice 11 is safeguarded, is safeguarded
After reuse multiple positioning round orifice 11 again and position for protective shell 5, it is not necessary to dismantle protective shell 5.
As shown in figure 4, there is through hole on protective shell 5, rotation becomes lead 2 and draws protective shell 5 by through hole, and rotation becomes 2 overcoat of lead
There is hose 3, hose 3 has hose coupling 4 close to one end of protective shell 5, and hose 3 is by the way that hose coupling 4 is inserted on protective shell 5
Fixed in through hole, the end of rotation change lead 2, which has, revolves change line interface 1, and rotation becomes line interface 1 and may be connected to external equipment and transmission turn
The rotating speed and phase information of son 7.
Also, there is casting glue 8 in protective shell 5, casting glue 8 is poured into the space between protective shell 5 and stator 6, embedding
Glue 8 protective shell 5 is fixed with stator 6 with high intensity and the space inside protective shell 5 and outside is completely isolated.Casting glue
8 isolate stator 6 with rotor 7 with external environment completely, have splendid dust-proof, shockproof, antipollution effect.
Also, rotation becomes line interface 1, rotation becomes lead 2, hose 3, hose coupling 4, protective shell 5, stator 6, rotor 7, casting glue
8 form an integrated module, and integrated module is considered as an entirety in installation and maintenance, without further disassembling.
Integrated module is production, providing a convenient property of installation and maintenance work, and wherein any one component failure can be by straight
Connect and replace whole module completion, avoid and disassembled now, improved work efficiency.
As shown in figure 5, on above-mentioned protective shell 5 also have shaft extending port 16, shaft extending port 16 be arranged at stator 6, turn
On the side wall of sub 7 parallel protective shells 5, shaft extending port 16 can directly safeguard shaft in the case where not dismantling protective shell 5
13。
In conclusion by means of the above-mentioned technical proposal of the present invention, carried by using the protective shell of fixed position for rotation change
For positioning, installation uniformity and accuracy are improved, reduces the workload of installation and debugging；Most of component is integrated, just
Safeguarded in installation；Intensive enclosed inside is motor from external environmental interference, raising protection and anti seismic efficiency.
Those of ordinary skills in the art should understand that：The foregoing is merely the specific embodiment of the present invention, and
The limitation present invention is not used in, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done,
It should be included within protection scope of the present invention.
Claims (6)
- A kind of 1. electric rotating machine rotary transformer, it is characterised in that including protective shell (5), the protective shell (5) and foreign objects Body is fixedly connected, and comprising stator (6) and rotor (7) in the protective shell (5), the stator (6) and rotor (7) are open tubular column Body, the rotor (7) are arranged in the hollow-core construction of stator (6), and shaft is further included in the space structure of the rotor (7) (13)；The rotor (7) is fixedly connected with the shaft (13), and the stator (6) is fixedly connected with the protective shell (5), institute Stating rotor (7) can rotate as the shaft (13) is rotated relative to the stator (6)；The stator (6) is electrically connected to Rotation becomes lead (2), and the rotation becomes rotating speed and phase information that lead (2) obtains the rotor (7), and by the rotating speed and phase Information is sent out；Wherein, the protective shell (5) is fixedly connected with external object, is consolidated for the protective shell (5) by bolt and external object Fixed connection；Protective shell (5) cross section is circle, and the protective shell (5) includes multiple positioning round orifice (11) and multiple kidney-shapeds Hole (12), the multiple kidney slot (12) on the protective shell (5) circumferentially uniformly arrange by line；The protective shell (5) passes through When the bolt being fixed in the multiple kidney slot (12) is fixedly connected with external object, the protective shell (5) described can turn Axis (13) carries out the rotation of low-angle for axis；The multiple kidney slot (12), position and posture for finely-tuned protection shell (5)； The multiple positioning round orifice (11), for being accurately positioned after the completion of debugging；Wherein, also have casting glue (8) in the protective shell (5), the casting glue (8) be poured into the protective shell (5) with it is described The protective shell (5) and the stator (6) are fixed simultaneously with high intensity for space between stator (6), the casting glue (8) The internal space of the protective shell (5) and outside is completely isolated.
- 2. a kind of electric rotating machine rotary transformer according to claim 1, it is characterised in that the rotor (7) and institute State shaft (13) to be fixedly connected, to have a rotor convex key (10) on the rotor (7), have one and described turn on the shaft (13) The corresponding concave key of sub- convex key (10), by the rotor convex key (10) and its right between the rotor (7) and the shaft (13) Connection between the concave key answered and be fixedly connected, the rotor (7) can be rotated with the shaft (13) and relative to described fixed Sub (6) rotate；The stator (6) is fixedly connected with the protective shell (5), to have a stator convex key (9) on the stator (6), Have a concave key corresponding with the stator convex key (9) on the inside of the protective shell (5), the stator (6) and the protective shell (5) it Between be fixedly connected by the connection between the stator convex key (9) and its corresponding concave key, the stator (6) can be at described turn Together keep opposing stationary with the protective shell (5) when axis (13) rotates.
- 3. a kind of electric rotating machine rotary transformer according to claim 1, it is characterised in that the rotor (7) and institute State shaft (13) to be fixedly connected, to have a rotor concave key (15) on the rotor (7), have one and described turn on the shaft (13) The corresponding convex key of sub- concave key (15), by the rotor concave key (15) and its right between the rotor (7) and the shaft (13) Connection between the convex key answered and be fixedly connected, the rotor (7) can be rotated with the shaft (13) and relative to described fixed Sub (6) rotate；The stator (6) is fixedly connected with the protective shell (5), to have a stator concave key (14) on the stator (6), There are a convex key corresponding with the stator concave key (14), the stator (6) and the protective shell (5) on the inside of the protective shell (5) Between be fixedly connected by the connection between the stator concave key (14) and its corresponding convex key, the stator (6) can be in institute State and together keep opposing stationary with the protective shell (5) when shaft (13) rotates.
- A kind of 4. electric rotating machine rotary transformer according to any one in Claims 2 or 3, it is characterised in that institute Stating has through hole on protective shell (5), the rotation becomes lead (2) and draws the protective shell (5) by the through hole, and the rotation becomes lead (2) hose (3) is cased with outside, the hose (3) has hose coupling (4), the hose (3) close to one end of the protective shell (5) By being fixed in through hole that the hose coupling (4) is inserted on the protective shell (5), the rotation becomes the end of lead (2) There is rotation to become line interface (1), the rotation becomes line interface (1) connectable to external equipment and transmits the rotating speed and phase of the rotor (7) Position information.
- 5. a kind of electric rotating machine rotary transformer according to claim 4, it is characterised in that the rotation becomes line interface (1), the rotation becomes lead (2), the hose (3), the hose coupling (4), the protective shell (5), the stator (6), institute Rotor (7), the casting glue (8) one integrated module of composition are stated, the integrated module is considered as one in installation and maintenance A entirety, without further disassembling.
- 6. a kind of electric rotating machine rotary transformer according to claim 5, it is characterised in that on the protective shell (5) Also shaft extending port (16), the shaft extending port (16) are arranged at parallel with the stator (6), the rotor (7) On the side wall of the protective shell (5), the shaft extending port (16) can directly tie up in the case where not dismantling the protective shell (5) Protect the shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182077.XA CN104779762B (en) | 2015-04-17 | 2015-04-17 | A kind of electric rotating machine rotary transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510182077.XA CN104779762B (en) | 2015-04-17 | 2015-04-17 | A kind of electric rotating machine rotary transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104779762A CN104779762A (en) | 2015-07-15 |
| CN104779762B true CN104779762B (en) | 2018-04-13 |
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ID=53621054
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510182077.XA Active CN104779762B (en) | 2015-04-17 | 2015-04-17 | A kind of electric rotating machine rotary transformer |
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| Country | Link |
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| CN (1) | CN104779762B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695054A (en) * | 2017-04-05 | 2018-10-23 | 天津市松正电动汽车技术股份有限公司 | A kind of rotating transformer structures |
| CN116345803B (en) * | 2023-05-30 | 2023-08-11 | 沈阳仪表科学研究院有限公司 | Motor vibration-resistant structure for assembling rotary transformer and assembling method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226958A (en) * | 2011-03-11 | 2011-10-26 | 深圳市五洲龙汽车有限公司 | Rotary transformer fixed structure and hybrid electric vehicle |
| CN203632509U (en) * | 2013-12-25 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6465926B2 (en) * | 2000-06-30 | 2002-10-15 | General Electric Company | Cleaning/cooling of high-power rotary current collector system |
| CN202260862U (en) * | 2011-08-04 | 2012-05-30 | 株洲南车时代电气股份有限公司 | Motor rotating transformer mounting structure with cooling fan |
| US9488506B2 (en) * | 2012-09-26 | 2016-11-08 | Minebea Co., Ltd. | Resolver |
-
2015
- 2015-04-17 CN CN201510182077.XA patent/CN104779762B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226958A (en) * | 2011-03-11 | 2011-10-26 | 深圳市五洲龙汽车有限公司 | Rotary transformer fixed structure and hybrid electric vehicle |
| CN203632509U (en) * | 2013-12-25 | 2014-06-04 | 南车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor |
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| CN104779762A (en) | 2015-07-15 |
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