CN205753868U - Automobile electric booster steering system Brushless DC Motor Position sensing device - Google Patents
Automobile electric booster steering system Brushless DC Motor Position sensing device Download PDFInfo
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- CN205753868U CN205753868U CN201620468970.9U CN201620468970U CN205753868U CN 205753868 U CN205753868 U CN 205753868U CN 201620468970 U CN201620468970 U CN 201620468970U CN 205753868 U CN205753868 U CN 205753868U
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Abstract
nullBasis is the most practical belongs to auto parts and components，Particularly to a kind of automobile electric booster steering system Brushless DC Motor Position sensing device，Upper fixed cover cartridge rotor iron core (2) of armature spindle (1)，The upper adhesive-assembly rotor permanent magnet (3) respectively of rotor core (2)，Rotor core (2) adhesive-assembly rotor permanent magnet (3) is placed in magnet-hardened shell (4)，Rolling bearing (5) is arranged in the dead eye of motor cover (6)，The left end of armature spindle (1) is installed in rolling bearing (5)，Adhesive-assembly spindle nose magnet (8) in spindle nose bracket (7) left end endoporus，Spindle nose bracket (7) is fixing to be installed on armature spindle (1)，With screw and location structure, position sensor (9) is fixedly mounted in motor cover (6)，Automobile electric booster steering system Brushless DC Motor Position sensing device decreases technological process，Reduce the requirement to production technology precision，Reduce production cost.
Description
Technical field
Basis is the most practical belongs to auto parts and components, particularly to a kind of automobile electric booster steering system Brushless DC Motor Position sensing device.
Background technology
At present, the automobile electric booster steering system Brushless DC Motor Position sensing device of domestic production typically uses interior external tooth road magnetic field induction plate and the combinative structure of switch Hall sensor, this kind of structure sensing device technological requirement is complicated, requirement on machining accuracy is high, cost is high, and sensing device feedback accuracy is low simultaneously, and control algolithm is required height, R&D cycle is long, is unfavorable for producing in enormous quantities.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, it is provided that a kind of technique is simple, low cost, the automobile electric booster steering system Brushless DC Motor Position sensing device that feedback accuracy is high.
This utility model solves technical problem and the technical scheme is that automobile electric booster steering system Brushless DC Motor Position sensing device includes motor cover, rolling bearing, armature spindle, rotor core, rotor permanent magnet, position sensor, magnet-hardened shell, it is characterized in fixed cover cartridge rotor ferrum core on armature spindle, the adhesive-assembly rotor permanent magnet of difference on rotor core, the adhesive-assembly rotor permanent magnet of rotor core is placed in magnet-hardened shell, rolling bearing is arranged in the dead eye of motor cover, the left end of armature spindle is installed in rolling bearing, adhesive-assembly spindle nose magnet in spindle nose bracket left end endoporus, spindle nose bracket is fixing to be installed on armature spindle, with screw and location structure, position sensor is fixedly mounted in motor cover.
The beneficial effects of the utility model are: the shortcoming that automobile electric booster steering system Brushless DC Motor Position sensing device overcomes position sensor and tablet axiality difference, decrease technological process, reduce the requirement to production technology precision, reduce production cost, improve position sensor feedback precision, ensure that complete machine reliability of operation, be more suitable for producing in enormous quantities.
Accompanying drawing explanation
Illustrate with embodiment below in conjunction with accompanying drawing.
Fig. 1 is automobile electric booster steering system Brushless DC Motor Position sensing device structure sectional view.
In figure, 1-armature spindle；2-rotor core；3-rotor permanent magnet；4-magnet-hardened shell；5-rolling bearing；6-motor cover；7-spindle nose bracket；8-spindle nose magnet；9-position sensor.
Detailed description of the invention
Embodiment, referring to the drawings 1, automobile electric booster steering system fixed cover cartridge rotor iron core 2 on the armature spindle 1 of Brushless DC Motor Position sensing device, the adhesive-assembly rotor permanent magnet 3 of difference on rotor core 2, the adhesive-assembly rotor permanent magnet of rotor core 23 is placed in magnet-hardened shell 4.Rolling bearing 5 is arranged in the dead eye of motor cover 6, and the left end of armature spindle 1 is installed in the internal ring of rolling bearing 5.Adhesive-assembly spindle nose magnet 8 in the endoporus of spindle nose bracket 7 left end, spindle nose bracket 7 is fixing to be installed on armature spindle 1, is fixedly mounted in motor cover 6 by position sensor 9 with screw and location structure.
Automobile electric booster steering system Brushless DC Motor Position sensing device operation principle is: automobile assisted power steering system Brushless DC Motor Position sensing device is one of vitals constituting brshless DC motor, the spindle nose magnet 8 that its Main Function is integrally fixed on spindle nose bracket 7 is with rotor synchronous rotary, producing waveform when spindle nose magnet 8 rotates is sinusoidal wave rotating excitation field, the sinusoidal wave rotating excitation field that position sensor 9 is produced by detection spindle nose magnet 8 obtains motor stator and rotor relative angle angle value constantly, judge the particular location of rotor, output motor U, V, the W three-phase commutation time, control motor speed accurately, control accuracy can reach 0.5 degree, substantially increase the control accuracy of motor position sensing device, improve the efficiency of motor, motor runs more steady.
Claims (1)
- null1. an automobile electric booster steering system Brushless DC Motor Position sensing device，Including motor cover (6)、Rolling bearing (5)、Armature spindle (1)、Rotor core (2)、Rotor permanent magnet (3)、Position sensor (9)、Magnet-hardened shell (4)，It is characterized in that upper fixed cover cartridge rotor iron core (2) of armature spindle (1)，The upper adhesive-assembly rotor permanent magnet (3) respectively of rotor core (2)，Rotor core (2) adhesive-assembly rotor permanent magnet (3) is placed in magnet-hardened shell (4)，Rolling bearing (5) is arranged in the dead eye of motor cover (6)，The left end of armature spindle (1) is installed in rolling bearing (5)，Adhesive-assembly spindle nose magnet (8) in spindle nose bracket (7) left end endoporus，Spindle nose bracket (7) is fixing to be installed on armature spindle (1)，With screw and location structure, position sensor (9) is fixedly mounted in motor cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468970.9U CN205753868U (en) | 2016-05-23 | 2016-05-23 | Automobile electric booster steering system Brushless DC Motor Position sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468970.9U CN205753868U (en) | 2016-05-23 | 2016-05-23 | Automobile electric booster steering system Brushless DC Motor Position sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205753868U true CN205753868U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468970.9U Active CN205753868U (en) | 2016-05-23 | 2016-05-23 | Automobile electric booster steering system Brushless DC Motor Position sensing device |
Country Status (1)
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| CN (1) | CN205753868U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787469A (en) * | 2016-12-27 | 2017-05-31 | 重庆迈思迪科技有限公司 | A kind of servomotor |
| CN108134485A (en) * | 2016-12-01 | 2018-06-08 | Ifp新能源公司 | Electric rotating machine with integral type magnetic position sensor |
| CN108599512A (en) * | 2018-06-21 | 2018-09-28 | 广东威灵电机制造有限公司 | Brshless DC motor |
| CN111140592A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Mechanical anti-twisting device of dual-redundancy linear displacement sensor |
| CN108599512B (en) * | 2018-06-21 | 2024-09-24 | 广东威灵电机制造有限公司 | Brushless DC motor |
-
2016
- 2016-05-23 CN CN201620468970.9U patent/CN205753868U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134485A (en) * | 2016-12-01 | 2018-06-08 | Ifp新能源公司 | Electric rotating machine with integral type magnetic position sensor |
| CN106787469A (en) * | 2016-12-27 | 2017-05-31 | 重庆迈思迪科技有限公司 | A kind of servomotor |
| CN108599512A (en) * | 2018-06-21 | 2018-09-28 | 广东威灵电机制造有限公司 | Brshless DC motor |
| CN108599512B (en) * | 2018-06-21 | 2024-09-24 | 广东威灵电机制造有限公司 | Brushless DC motor |
| CN111140592A (en) * | 2019-12-25 | 2020-05-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Mechanical anti-twisting device of dual-redundancy linear displacement sensor |
| CN111140592B (en) * | 2019-12-25 | 2022-07-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Mechanical anti-twisting device of dual-redundancy linear displacement sensor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |