CN208820551U - A kind of Hall-type servo motor - Google Patents
A kind of Hall-type servo motor Download PDFInfo
- Publication number
- CN208820551U CN208820551U CN201821524275.5U CN201821524275U CN208820551U CN 208820551 U CN208820551 U CN 208820551U CN 201821524275 U CN201821524275 U CN 201821524275U CN 208820551 U CN208820551 U CN 208820551U
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- China
- Prior art keywords
- stator
- hall element
- silicon steel
- steel sheet
- hall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 9
- 238000004080 punching Methods 0.000 claims description 30
- 229910000859 α-Fe Inorganic materials 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Brushless Motors (AREA)
Abstract
The utility model provides a kind of Hall-type servo motor, including stator, rotor, servo controller, and the linear hall element and switch Hall element for being used to detect the rotor field position in the stator faces；For the stator by stacking together after silicon steel sheet punch process, the stator is equipped with winding slot, and the top and lower section of the silicon steel sheet stamping surface are circular arc chamfering.The utility model has the following beneficial effects: detecting position only with a linear Hall and a switch Hall, Hall element is easy for installation, and will not generate phase error and amplitude error, the accurate location information that can be obtained.The top and lower section of stamping surface are circular arc chamfering, when copper wire is wound on stator, prevent stator and copper wire short circuit, and reduce processing technology.
Description
Technical field
The utility model relates to a kind of Hall-type servo motors.
Background technique
Traditional magneto, concentratred winding magneto typically directly installed on motor stator 3 switch Halls or
3-4 linear Hall constitutes simple position sensor, Lai Shixian motor commutation or position detection.Hall is required in this method
Installation site is exactly accurate, because the precision of mechanical erection needs to improve P times, and the position installed when motor number of pole-pairs P is very big
Set has the armature-reaction of relationship, especially motor to position with the slot number of machine winding offline mode, the number of poles of motor, motor
Detection has ± 3-5 ° of influence, therefore the deviation of this simple position sensor position detection is all at ± 3-10 ° or so, long-term to hinder
Hinder the production and development of motor controller.
Moreover, stator is to stack to be formed after having the silicon steel sheet punching presses of multiple specific shapes, in punching press, stamping surface will cause
112 lower section generates flash 111 ', is also burr, such as Fig. 1, when copper wire is wound in the winding slot of stator, flash 111 ' can be made
At short-circuit between copper wire and silicon steel sheet, make motor damage, in the prior art, in order to solve the above technical problems, some meetings around
Liner is first installed in wire casing, sprays one layer of insulating powder in winding slot sometimes, manufacturing process complexity is will cause in a word, makes motor
Manufacturing cost rises.
Utility model content
The purpose of the utility model is to provide the manufactures of a kind of Hall-type servo motor and its manufacturing method, planetary gear set
Method, to solve the problems, such as mentioned in background technique.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of Hall-type servo motor, including stator, rotor, servo controller, and in the stator faces
For detecting the linear hall element and switch Hall element of the rotor field position；The stator is by silicon steel sheet punch process
After stack together, the stator is equipped with winding slot, and the top of the silicon steel sheet stamping surface and lower section are circular arc chamfering, the line
Property Hall element and switch Hall element be respectively positioned on the periphery of the stator punching, the linear hall element and switch suddenly
Electrical angle between your element is 90 °, and the magnetic susceptibility face of the linear hall element and switch Hall element with described turn
The magnetic pole surfaces of son are opposite；The linear hall element and switch Hall element are respectively connected to the servo controller.
Further technical solution: being additionally provided with the soft magnetic ferrite thin slice being stacked alternately with silicon steel sheet in the stator, soft
Magnetic ferrites chip shape is identical as silicon steel sheet.
Further technical solution: for the soft magnetic ferrite thin slice between silicon steel sheet, the outside of the stator is silicon
Steel disc.
A kind of processing method of servo motor stator, includes the following steps:
1), silicon steel sheet is processed using stamping equipment；
2) flanging, is carried out to the flash that punching silicon steel sheet generates using stamping equipment；
3), machining shape and the identical soft magnetic ferrite thin slice of silicon steel sheet, between 1/5-the 1/2 of silicon steel sheet；
4), silicon steel sheet and soft magnetic ferrite thin slice are stacked alternately, and silicon steel sheet is located at the outermost of stator；
5), stator is put into fermentation vat and is soaked insulating paint, and paint of being formed；
6) paint for, clearing up stator and rotor opposite face, prevents from interfering with rotor.
The utility model has the following beneficial effects: detecting position, Hall only with a linear Hall and a switch Hall
Element is easy for installation, and will not generate phase error and amplitude error, the accurate location information that can be obtained.Stamping surface it is upper
Side is circular arc chamfering with lower section, when copper wire is wound on stator, prevents stator and copper wire short circuit, and reduce processing technology.
Detailed description of the invention
Fig. 1 is silicon steel sheet punching structure schematic diagram in the prior art；
Fig. 2 is the stator structure figure of the utility model；
Fig. 3 is the silicon steel sheet punching structure schematic diagram of the utility model；
Fig. 4 is the silicon steel sheet of the utility model and the stacking diagram of soft magnetic ferrite thin slice.
Specific embodiment
The utility model is further described below in conjunction with attached drawing:
As shown in figures 1-4, a kind of Hall-type servo motor, including stator 1, rotor 2, servo controller, and it is set to institute
State the linear hall element 13 and switch Hall element 14 for being used to detect 2 magnetic field position of rotor on 1 end face of stator；It is described
Stator 1 stacks together after forming stator punching 11 by silicon steel sheet punch process, and the stator 1 is equipped with winding slot 12, described fixed
The top of the stamping surface 112 of sub- punching 11 and lower section are circular arc chamfering 111, when copper wire around on the stator 1 when, prevent stator 1 with
Copper wire short circuit, the linear hall element 13 and switch Hall element 14 are respectively positioned on the periphery of the stator punching 11, institute
Stating the electrical angle between linear hall element 13 and switch Hall element 14 is 90 °, and the linear hall element 13 and switch
The magnetic susceptibility face of Hall element 14 is opposite with the magnetic pole surfaces of the rotor 2；The linear hall element 13 and switch Hall
Element 14 is respectively connected to the servo controller.
Further technical solution: it is thin that the soft magnetic ferrite being stacked alternately with stator punching 11 is additionally provided in the stator 1
Piece 15,15 shape of soft magnetic ferrite thin slice is identical as stator punching 11, is not easy to insulate between stator punching 11, stator is caused to rush
Vortex is generated between piece 11, causes electric efficiency low, since soft magnetic ferrite thin slice 15 has the characteristics that magnetic conduction and resistivity is high,
It can greatly reduce and generate vortex between stator punching 11, improve electric efficiency；Due to the magnetic permeability of soft magnetic ferrite thin slice 15
There is no stator punching 11 high, so the thickness of soft magnetic ferrite thin slice 15 should not be too thick, is generally processed as 11 thickness of stator punching
1/5-1/2 between.
Further technical solution: the soft magnetic ferrite thin slice 15 is between stator punching 11, outside the stator 1
Side is stator punching 11, and stator punching 11 is not easy to break, can protect soft magnetic ferrite 15.
A kind of processing method of servo motor stator 1, includes the following steps:
1) stator punching 11, is processed using stamping equipment, reaches the shape of needs；
2) flanging, is carried out to the flash that punching press stator punching 11 generates using stamping equipment；
3), machining shape and the identical soft magnetic ferrite thin slice 15 of stator punching 11, with a thickness of the 1/5-of stator punching 11
Between 1/2；
4), stator punching 11 and soft magnetic ferrite thin slice 15 are stacked alternately, and stator punching 11 is located at the outermost of stator 1
Side；
5), stator 1 is put into fermentation vat and is soaked insulating paint, and paint of being formed；
6) paint for, clearing up stator 1 and 2 opposite face of rotor, prevents from interfering with rotor 2.
The utility model has the following beneficial effects: being examined only with a linear hall element 13 and a switch Hall element 14
Location is set, easy for installation, and will not generate phase error and amplitude error, the accurate location information that can be obtained.Stamping surface
112 top and lower section are circular arc chamfering 111, when copper wire around on the stator 1 when, prevent stator 1 and copper wire short circuit, and reduce
Processing technology.
A linear hall element 13 is used only in the utility model, is not present in principle due to multiple linear hall elements 13
The amplitude error and phase error of generation, thus the position detection accuracy of the utility model position sensor better than 0.05 °~
0.5°.And the two states based on motor and driving, the utility model is by sine wave vector control method to the torque of motor
It is controlled with speed, obtains ideal control characteristic.In general, the utility model can be improved motor efficiency (5~
15) % improves maximum moment (50~100) % of motor.
Secondly, in order to guarantee mechanical erection precision, and no matter motor is 2 motor of 2 motor of internal rotor or outer rotor, stator
The notch of 11 first winding slots 12 of punching is equipped with 13 slot of linear hall element to match with the size of linear Hall；Stator
11 first stators 1 of punching extremely on be then equipped with the switch Hall slot that matches with switch Hall size；And it should be understood that stator
The center of 11 linear Hall slot of punching differs 90 ° of electrical angle, above-mentioned linear Hall member in space with the center of switch Hall slot
Part 13 is located in linear Hall slot, and switch Hall element 14 is located in switch Hall slot.
The ideal output of linear hall element 13 is Vh=V0+Vsin3 θ, and the ideal output of switch Hall element 14 is Vk
=± Sig | sin3 (+90 ° of θ) |, this tittle is then utilized, can determine the uniqueness of 360 ° of electrical angle positions and motor speed；
Since a linear hall element 13 and a switch Hall element 14 is used only, from principle, multiple detections are not present
The issuable amplitude error of element and phase error.
Above-mentioned servo controller includes angle conversion circuit, which includes: A/D conversion module, and being used for will
The sine wave analog output voltage that linear hall element 13 exports is converted into digital quantity, then provided by switch Hall element 14
Sign function come distinguish sine wave by 90 ° be the period ambiguity；Had by the control core operation of servo controller
The digital quantity position signal of uniqueness.Preferably, position determination module can use digital signal DSP or single-chip microprocessor MCU, can also
To use on-site programmable gate array FPGA or application-specific integrated circuit ASIC.
The above not the technical scope of the utility model is imposed any restrictions, it is all according to the utility model technical spirit to
On embodiment made by any modification, equivalent variations and modification, in the range of the technical solution for still falling within the utility model.
Claims (3)
1. a kind of Hall-type servo motor, it is characterised in that: including stator, rotor, servo controller, and be set to the stator
The linear hall element and switch Hall element for being used to detect the rotor field position on end face；The stator is by silicon steel sheet
Punch process formed stator punching after stack together, the stator be equipped with winding slot, the top of the silicon steel sheet stamping surface with
Lower section is circular arc chamfering, and the linear hall element and switch Hall element are respectively positioned on the periphery of the stator punching, institute
Stating the electrical angle between linear hall element and switch Hall element is 90 °, and the linear hall element and switch Hall member
The magnetic susceptibility face of part is opposite with the magnetic pole surfaces of the rotor；The linear hall element and switch Hall element are separately connected
To the servo controller.
2. a kind of Hall-type servo motor according to claim 1, it is characterised in that: be additionally provided in the stator and silicon steel
The soft magnetic ferrite thin slice that piece is stacked alternately, soft magnetic ferrite chip shape are identical as silicon steel sheet.
3. a kind of Hall-type servo motor according to claim 2, it is characterised in that: the soft magnetic ferrite thin slice is located at
Between silicon steel sheet, the outside of the stator is silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524275.5U CN208820551U (en) | 2018-09-18 | 2018-09-18 | A kind of Hall-type servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821524275.5U CN208820551U (en) | 2018-09-18 | 2018-09-18 | A kind of Hall-type servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820551U true CN208820551U (en) | 2019-05-03 |
Family
ID=66277451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821524275.5U Withdrawn - After Issue CN208820551U (en) | 2018-09-18 | 2018-09-18 | A kind of Hall-type servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208820551U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880012A (en) * | 2018-09-18 | 2018-11-23 | 东莞市领亚自动化科技有限公司 | A kind of manufacturing method of Hall-type servo motor and stator |
| CN110823258A (en) * | 2019-12-09 | 2020-02-21 | 宁夏天地奔牛实业集团有限公司 | Proximity sensor based on Hall principle |
-
2018
- 2018-09-18 CN CN201821524275.5U patent/CN208820551U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108880012A (en) * | 2018-09-18 | 2018-11-23 | 东莞市领亚自动化科技有限公司 | A kind of manufacturing method of Hall-type servo motor and stator |
| CN108880012B (en) * | 2018-09-18 | 2023-12-15 | 东莞市领亚自动化科技有限公司 | Hall type servo motor and stator manufacturing method |
| CN110823258A (en) * | 2019-12-09 | 2020-02-21 | 宁夏天地奔牛实业集团有限公司 | Proximity sensor based on Hall principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190503 Effective date of abandoning: 20231215 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190503 Effective date of abandoning: 20231215 |