CN208597002U - A kind of rotary transformer positioning improvement device - Google Patents
A kind of rotary transformer positioning improvement device Download PDFInfo
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- CN208597002U CN208597002U CN201821433102.2U CN201821433102U CN208597002U CN 208597002 U CN208597002 U CN 208597002U CN 201821433102 U CN201821433102 U CN 201821433102U CN 208597002 U CN208597002 U CN 208597002U
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- rotary transformer
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- 230000009466 transformation Effects 0.000 description 4
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Abstract
It is positioned the utility model discloses a kind of rotary transformer and improves device.The device includes rotary transformer rotor and motor shaft, the rotary transformer rotor is fixedly connected with the motor shaft, the rotary transformer rotor and rotary transformer stator circumferentially cooperate, m positioning spline is provided on the rotary transformer rotor inner wall, a fixed groove is provided on the motor shaft outer wall, different positioning splines is selected to carry out matching formation closing keyway with the fixed groove of the motor shaft, positioning is fixed by the fixed flat key of rotary transformer rotor in the closing keyway, to adjust the range of magnetic pole initial angle needed for motor.Rotary transformer positioning provided by the utility model improves device, by changing rotary transformer rotor positioning spline and fine tuning rotary transformer position of stator, all motor initial angles is made to be adjusted to unanimously, realize the consistency of factory motor.
Description
Technical field
The utility model relates to electric machines test technical fields, position more particularly to a kind of rotary transformer and improve device.
Background technique
Currently, permanent magnet synchronous motor usually use rotary transformer sensor position rotor magnetic pole and stator it is each mutually around
The relative position of group.In rotary transformer installation, rotary transformer rotor is generally fixed with motor shaft by a keyway, no
Adjustable position.Rotary transformer stator is fixed on motor housing by screw and arc mounting groove, can suitably be adjusted,
But angle adjustable is little.The mode of the deviation and motor rotor magnetic steel arrangement of motor stator and the fixed position of motor casing can all cause
The variation of motor pole initial angle.It can be corrected by rotation rotary transformer stator when misalignment angle is smaller, but angle
Motor can not be adjusted to unified initial angle when larger.
Summary of the invention
The utility model provides a kind of rotary transformer positioning improvement device, passes through and changes rotary transformer rotor positioning key
Slot and fine tuning rotary transformer position of stator make all motor initial angles be adjusted to unanimously, realize the consistency of factory motor.
To achieve the above object, the utility model provides following scheme:
A kind of positioning of rotary transformer improves device, which is characterized in that including rotary transformer rotor 5 and motor shaft 12,
The rotary transformer rotor 5 is fixedly connected with the motor shaft 12, the rotary transformer rotor 5 and rotary transformer stator
4 circumferentially cooperate, and are provided with m positioning spline 2 on 5 inner wall of rotary transformer rotor, are arranged on 12 outer wall of motor shaft
There is a fixed groove, different positioning splines 2 is selected to carry out matching formation closing key with the fixed groove of the motor shaft 12
Slot, positioning is fixed by the fixed flat key 11 of rotary transformer rotor in the closing keyway, to adjust magnetic pole needed for motor
The range of initial angle.
Optionally, the number m of the rotary transformer rotor positioning spline 2 is determined by formula 360/30/P, the positioning
The value of 2, keyway several m is qualified smallest positive integral value, and the P is the number of magnetic pole pairs of the rotary transformer rotor 5,
The number of magnetic pole pairs value range of the rotary transformer rotor is≤6.
Optionally, the number of magnetic pole pairs of the rotary transformer rotor 5 are 4, the rotary transformer rotor positioning spline 2
Number m is 3.
Optionally, the angle between each positioning spline 2 being arranged on the rotary transformer rotor 5 is by formula 360/p/
M and formula 360/p makees and determines.
Optionally, the number of magnetic pole pairs of the rotary transformer rotor 5 are 4, and the rotary transformer rotor positioning spline 2 is
3, the angle between each positioning spline 2 is 360/4/3+360/4, and calculated value is 120 degree.
Optionally, the improvement device further includes rotary transformer stator 4 and rotary transformer stator mounting disc 1, described
Rotary transformer stator 4 is mounted in the rotary transformer stator mounting disc 1, in the rotary transformer stator mounting disc 1
It is provided with rotary transformer stator arc mounting groove 3, the rotary transformer stator mounting disc 1 is fixed by the rotary transformer
Subarc shape mounting groove 3 is fixedly connected with motor rear cover plate 7.
Optionally, the rotary transformer stator arc mounting groove 3 has 30 degree of adjustable mechanical angle.
Optionally, the improvement device further includes data line 6, described 6 one end of data line and the rotary transformer stator
The connection of 1 line of mounting disc, the other end are connect with electric machine controller.
The technology compared with prior art, has the following beneficial effects:
A kind of gyrator transformer positioning improvement device provided by the utility model, including motor shaft, rotary transformer are fixed
Son and rotary transformer rotor, rotary transformer stator are mounted in rotary transformer stator mounting disc, the rotary transformer
Stator mounting disc is mounted on motor rear end and covers, and the rotary transformer rotor is fixedly connected with the motor shaft, the rotation
Transformer rotor and rotary transformer stator circumferentially cooperate, and are provided with m positioning spline on the rotary transformer rotor inner wall,
M >=the 360/30/P, P are the number of magnetic pole pairs of the rotary transformer rotor, and the value of m is qualified smallest positive integral
Value is provided with a fixed groove on the motor shaft outer wall, by adjusting on the motor shaft fixed groove and the rotation
Turn a certain positioning spline on transformer rotor to match to form closing keyway, it is fixed that the closing keyway is fixed by fixed flat key
Position can be realized the initial angle that the full angle between 0-360 degree adjusts motor pole.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram that the positioning of the utility model embodiment rotary transformer improves device；
Fig. 2 is the utility model embodiment permanent magnet synchronous motor rear end structural schematic diagram；
Description of symbols: 1- rotary transformer stator mounting disc；2- rotary transformer rotor positioning spline；3- rotation becomes
Depressor stator arc mounting groove；4- rotary transformer stator；5- rotary transformer rotor；6- data line；7- back end cover for motor；8-
Rotary transformer stator installs screw；9- rotary transformer rotor gland；10- rotary transformer rotor gland screw；11- rotation
Transformer rotor fixes flat key；12- motor shaft；13- rotor；14- motor stator.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of rotary transformer rotor positioning improvement device, and providing for motor can be with the first of gamut
Beginning angular adjustment can be adjusted motor pole initial angle to consistent, after guaranteeing Motor Production Test consistency.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
The present invention is described in further detail for body embodiment.
Fig. 1 is the structural schematic diagram that the positioning of the utility model embodiment rotary transformer improves device, as shown in Figure 1, one
Kind rotary transformer positioning improves device, which is characterized in that including rotary transformer rotor 5 and motor shaft 12, the rotation becomes
Depressor rotor 5 is fixedly connected with the motor shaft 12, the rotary transformer rotor 5 and the circumferential cooperation of rotary transformer stator 4,
It is provided with m positioning spline 2 on 5 inner wall of rotary transformer rotor, is provided with a fixation on 12 outer wall of motor shaft
Groove selects different positioning splines 2 to carry out matching formation closing keyway, the closing with the fixed groove of the motor shaft 12
Positioning is fixed by the fixed flat key 11 of rotary transformer rotor in keyway, to adjust the model of magnetic pole initial angle needed for motor
It encloses.The number m of the rotary transformer rotor positioning spline 2 determines by formula 360/30/P, the positioning spline 2 several m's
Value is qualified smallest positive integral value, and the P is the number of magnetic pole pairs of the rotary transformer rotor 5, the rotation transformation
The number of magnetic pole pairs value range of device rotor is≤6.As the number of magnetic pole pairs > 6 of rotary transformer rotor, then this change is not suitable for
Into device.The number of magnetic pole pairs of the rotary transformer rotor 5 are 4, and the number m of the rotary transformer rotor positioning spline 2 is
3.The angle between each positioning spline 2 being arranged on the rotary transformer rotor 5 is by formula 360/p/m and formula 360/p
Make and determines.The number of magnetic pole pairs of the rotary transformer rotor 5 are 4, and the rotary transformer rotor positioning spline 2 is 3, described
Angle between each positioning spline 2 is 360/4/3+360/4, and calculated value is 120 degree.The improvement device further includes that rotation becomes
Depressor stator 4 and rotary transformer stator mounting disc 1, the rotary transformer stator 4 are mounted on the rotary transformer stator
In mounting disc 1, rotary transformer stator arc mounting groove 3, the rotation are provided in the rotary transformer stator mounting disc 1
Resolver stator mounting disc 1 is fixedly connected by the rotary transformer stator arc mounting groove 3 with motor rear cover plate 7.It is described
Rotary transformer stator arc mounting groove 3 has 30 degree of adjustable mechanical angle.If motor needs to adjust motor pole initial angle
It spends smaller, when angle is in 30 degree, only can need to finely tune rotary transformer stator 4.The improvement device also wraps
Data line 6 is included, described 6 one end of data line is connect with 1 line of rotary transformer stator mounting disc, the other end and electric machine controller
The location information of rotor is transferred to electric machine controller, passes through rotation change decoding chip on the electric machine controller by connection, data line 6
To obtain motor current rotor position.
The general key point slot number of rotary transformer rotor is related with the number of magnetic pole pairs of rotary transformer rotor, electrical angle one
A period is 360 degree.Want can 360 degree adjust motor initial angles it is necessary to make rotation change rotor open keyway number m*p*30 >=
360, m be keyway number, and m takes a qualified smallest positive integral value.Angle between rotary transformer rotor keyway 2 is 360/
P/m, and 360/p is an electric period on mechanical angle, so the angle between two positioning splines can be increased by circumference
The angle of 360/p.M positioning spline 2 is opened on rotary transformer rotor, by changing using the keyway 2 of different location come big
The adjustment motor initial angle of angle enables the motor initial angle of factory all to reach consistent.Rotary transformer uses in Fig. 1
It is the rotary transformer of 4 pairs of pole, m*p*30 >=360, m minimum is made to take 3, so is needed on rotary transformer rotor 5 minimum
3 keyway positions are opened, and the angle between every two keyway is 360/p/m, i.e., 30 degree.And mechanically 360/p is an electricity
In the period, so the angle between two keyways can be increased the angle of 360/p by circumference, i.e., 90 degree, the rotary transformer turns
The number of magnetic pole pairs of son are 4, and rotary transformer rotor positioning spline is 3, and the angle between each positioning spline 2 is 360/4/3+
360/4=120 degree, so 120 degree of each angle of three keyways of rotary transformer rotor positioning spline 2 are divided equally and arranged.Alternatively,
The number of magnetic pole pairs of the rotary transformer rotor are 1, and rotary transformer rotor positioning spline is 12, between each positioning spline 2
Angle 360/1/12+360/1=390 degree；Alternatively, the number of magnetic pole pairs of the rotary transformer rotor are 2, rotary transformer turns
Sub- positioning spline is 6, and the angle between each positioning spline 2 is 360/2/6+360/2=210 degree；Alternatively, the rotation transformation
The number of magnetic pole pairs of device rotor are 3, and rotary transformer rotor positioning spline is 4, and the angle between each positioning spline 2 is 360/3/
4+360/3=150 degree；Alternatively, the number of magnetic pole pairs of the rotary transformer rotor are 5, rotary transformer rotor positioning spline is
4, the angle between each positioning spline 2 is 360/5/3+360/5=96 degree；Alternatively, the magnetic pole of the rotary transformer rotor
Logarithm is 6, and rotary transformer rotor positioning spline is 4, and the angle between each positioning spline 2 is 360/6/2+360/6=90
Degree；When measuring motor pole initial angle with test equipment, the fixed flat key 11 of rotary transformer rotor is fixed on first rotation
When changing on depressor rotor fixed position keyway, by moving in rotation rotary transformer stator mounting disc 1, the magnetic pole of motor measurement is initial
Angle can change between 0-120 degree.Turn when the fixed flat key 11 of rotary transformer rotor is fixed on second rotary transformer
When on sub- positioning spline, by moving in rotation rotary transformer stator mounting disc 1, the magnetic pole initial angle of motor measurement can be
Change between 120-240 degree.When the fixed flat key 11 of rotary transformer rotor is fixed on third rotary transformer rotor positioning key
When on slot, by moving in rotation rotary transformer stator mounting disc 1, the magnetic pole initial angle of motor measurement can be in 240-360
Change between degree, motor full angle between 0-360 degree thus may be implemented and adjust motor pole initial angle.
Fig. 2 is the utility model embodiment permanent magnet synchronous motor rear end structural schematic diagram, as shown in Fig. 2, permanent-magnet synchronous
Motor pole initial angle positioning device, including the installation of rotary transformer rotor 5, rotary transformer stator 4, rotary transformer stator
Disk 1.Rotary transformer rotor 5 is installed by the fixed flat key 11 of rotary transformer rotor and rotary transformer rotor positioning spline 2
On motor shaft 12, rotary transformer rotor gland 9 is pressed on rotary transformer rotor 5, passes through rotary transformer rotor gland
Screw 10 is pressed on motor shaft 12.Rotary transformer stator mounting disc 1 is mounted on back end cover for motor 7, by rotating transformation
Device stator arc mounting groove 3 and rotary transformer stator installation screw 8 are fixed.
A kind of rotary transformer positioning provided by the utility model improves device, including motor shaft, rotary transformer stator
And rotary transformer rotor, rotary transformer stator are mounted in rotary transformer stator mounting disc, the rotary transformer is fixed
Sub- mounting disc is mounted on motor rear end and covers, and the rotary transformer rotor is fixedly connected with the motor shaft, and the rotation becomes
Depressor rotor and rotary transformer stator circumferentially cooperate, and are provided with m positioning spline, institute on the rotary transformer rotor inner wall
M >=360/30/P is stated, P is the number of magnetic pole pairs of the rotary transformer rotor, and the value of m is qualified smallest positive integral value,
It is provided with a fixed groove on the motor shaft outer wall, becomes by adjusting the fixed groove on the motor shaft with the rotation
A certain positioning spline matches to form closing keyway on depressor rotor, and positioning is fixed by fixed flat key in the closing keyway,
It can be realized the initial angle that the full angle between 0-360 degree adjusts motor pole.The utility model provides a kind of rotation transformation
Device positioning improves device, by changing rotary transformer rotor positioning spline and fine tuning rotary transformer position of stator, makes to own
Motor initial angle is adjusted to unanimously, realize the consistency of factory motor.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion this theory
Bright book content should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of rotary transformer positioning improves device, which is characterized in that including rotary transformer rotor (5) and motor shaft
(12), the rotary transformer rotor (5) is fixedly connected with the motor shaft (12), the rotary transformer rotor (5) and rotation
Turn resolver stator (4) circumferentially to cooperate, be provided with m positioning spline (2) on rotary transformer rotor (5) inner wall, it is described
It is provided with a fixed groove on motor shaft (12) outer wall, selects consolidating for different positioning spline (2) and the motor shaft (12)
Determine groove and carry out matching formation closing keyway, the closing keyway is fixed by rotary transformer rotor fixed flat key (11)
Positioning, to adjust the range of magnetic pole initial angle needed for motor.
2. rotary transformer positioning according to claim 1 improves device, which is characterized in that the rotary transformer rotor
The number m of positioning spline (2) determines by formula 360/30/P, the value of positioning spline (2) the number m be it is qualified most
Lowerinteger value, the P are the number of magnetic pole pairs of the rotary transformer rotor (5), the number of magnetic pole pairs of the rotary transformer rotor
Value range is≤6.
3. rotary transformer positioning according to claim 2 improves device, which is characterized in that the rotary transformer rotor
(5) number of magnetic pole pairs are 4, and the number m of the rotary transformer rotor positioning spline (2) is 3.
4. rotary transformer positioning according to claim 1 improves device, which is characterized in that the rotary transformer rotor
(5) angle between each positioning spline (2) being arranged on is made and is determined by formula 360/p/m and formula 360/p.
5. rotary transformer positioning according to claim 4 improves device, which is characterized in that the rotary transformer rotor
(5) number of magnetic pole pairs are 4, and the rotary transformer rotor positioning spline (2) is 3, the angle between each positioning spline (2)
Degree is 360/4/3+360/4, and calculated value is 120 degree.
6. rotary transformer according to claim 1 positioning improves device, which is characterized in that the improvement device further includes
Rotary transformer stator (4) and rotary transformer stator mounting disc (1), the rotary transformer stator (4) are mounted on the rotation
Turn on resolver stator mounting disc (1), is provided with rotary transformer stator arc on the rotary transformer stator mounting disc (1)
Mounting groove (3), the rotary transformer stator mounting disc (1) pass through the rotary transformer stator arc mounting groove (3) and electricity
Machine back shroud (7) is fixedly connected.
7. rotary transformer positioning according to claim 1 improves device, which is characterized in that the rotary transformer stator
Arc mounting groove (3) has 30 degree of adjustable mechanical angle.
8. rotary transformer according to claim 1 positioning improves device, which is characterized in that the improvement device further includes
Data line (6), described data line (6) one end are connect with rotary transformer stator mounting disc (1) line, the other end and motor control
Device connection processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433102.2U CN208597002U (en) | 2018-09-03 | 2018-09-03 | A kind of rotary transformer positioning improvement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821433102.2U CN208597002U (en) | 2018-09-03 | 2018-09-03 | A kind of rotary transformer positioning improvement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208597002U true CN208597002U (en) | 2019-03-12 |
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ID=65605417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821433102.2U Expired - Fee Related CN208597002U (en) | 2018-09-03 | 2018-09-03 | A kind of rotary transformer positioning improvement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208597002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203793A1 (en) * | 2020-04-07 | 2021-10-14 | 精进电动科技股份有限公司 | Resolver stator positioning press sheet and positioning structure |
-
2018
- 2018-09-03 CN CN201821433102.2U patent/CN208597002U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021203793A1 (en) * | 2020-04-07 | 2021-10-14 | 精进电动科技股份有限公司 | Resolver stator positioning press sheet and positioning structure |
| EP3920376A4 (en) * | 2020-04-07 | 2022-01-19 | Jing-Jin Electric Technologies Co., Ltd | Resolver stator positioning press sheet and positioning structure |
| JP2022531519A (en) * | 2020-04-07 | 2022-07-07 | ジン－ジン エレクトリック テクノロジーズ カンパニー リミテッド | Resolver stator positioning retainer piece and positioning structure |
| JP7238118B2 (en) | 2020-04-07 | 2023-03-13 | ジン－ジン エレクトリック テクノロジーズ カンパニー リミテッド | Resolver stator positioning holding piece and positioning structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230110 Address after: Room 1113, 11th Floor, Building B1, Lugu Science and Technology Innovation and Entrepreneurship Park, No. 1698, Yuelu West Avenue, Changsha High-tech Development Zone, Changsha, Hunan Province 410205 Patentee after: Changsha Yingweiteng Electric Technology Co.,Ltd. Address before: No. 40, 43 and 44, Phase I Zone, No. 410, Torch Road, High-tech Zone, Tangshan City, Hebei Province, 063000 Patentee before: TANGSHAN PULIN YIWEI SCI-TECH CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 |