CN200944556Y - A motor sensor installation structure - Google Patents
A motor sensor installation structure Download PDFInfo
- Publication number
- CN200944556Y CN200944556Y CN 200620064290 CN200620064290U CN200944556Y CN 200944556 Y CN200944556 Y CN 200944556Y CN 200620064290 CN200620064290 CN 200620064290 CN 200620064290 U CN200620064290 U CN 200620064290U CN 200944556 Y CN200944556 Y CN 200944556Y
- Authority
- CN
- China
- Prior art keywords
- end cover
- cavity
- rotating shaft
- rotor
- magnetic ring
- 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.)
- Expired - Lifetime
Links
- 238000009434 installation Methods 0.000 title claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Abstract
A sensor mounting structure of a motor comprises a control circuit board 1 of the motor, a stator 2, a rotor 3, an upper end cover 4, a lower end cover 5 and a cylinder 6, wherein the upper end cover 4 and the lower end cover 5 are respectively mounted at the upper end and the lower end of the cylinder 6, a cavity 7 is formed in the cylinder 6, the stator 2 and the rotor 3 are mounted in the cavity 7, the top end of a rotating shaft 9 on the rotor 3 extends out of the upper end cover 4, the tail end of the rotating shaft 9 extends into a magnetic ring cavity 10 arranged on the lower end cover 5, a magnetic ring 11 is mounted on the rotating shaft 9 in the magnetic ring cavity 10, and a magnetic sensitive element 12 is mounted outside the magnetic ring cavity 10 and in a position corresponding to the magnetic ring 11.
Description
(1) technical field
The utility model relates to a kind of sensor fixing structure of motor.
(2) background technology
Existing electronic commutation motor is located at the cavity of motor housing the inside with rotor-position sensor, utilizes magnetic induction detection rotor position.There are the following problems for this structure: because the cavity volume of motor housing the inside is smaller, magnet ring is installed difficulty, the probability height of interfering between the part, measure also inaccurate, the failure rate height.
(3) summary of the invention
The purpose of this utility model is to provide a kind of sensor fixing structure of motor, and it is easy for installation, measurement is accurate, and topology layout is reasonable, the reliability height.
For achieving the above object, the utility model is by the following technical solutions:
A kind of sensor fixing structure of motor, the control circuit board, stator, rotor, upper end cover, bottom end cover and the cylindrical shell that comprise motor, upper end cover and bottom end cover are installed in the upper and lower side of cylindrical shell respectively, and at cylindrical shell the inside formation cavity, stator and rotor are installed in the cavity the inside, upper end cover is stretched out on the top of epitrochanterian rotating shaft, the tail end of rotating shaft extend into the magnet ring cavity the inside that bottom end cover is provided with, in the rotating shaft of magnet ring cavity the inside, magnet ring is installed, magnet-sensitive element is installed in the outside of magnet ring cavity, the position of corresponding magnet ring.
Above-mentioned described bottom end cover the inside forms moistureproof isolation ward, and control circuit board is installed in the end face of moistureproof isolation ward.
Above-mentioned described on magnet-sensitive element installation and control circuit board.
The utility model compared with prior art has following advantage: 1) magnet ring is located at outside the cavity of motor, the tail end of rotating shaft extend into the magnet ring cavity the inside that bottom end cover is provided with, in the rotating shaft of magnet ring cavity the inside, magnet ring is installed, the position of corresponding magnet ring is equipped with magnet-sensitive element, simplify product structure, make it easy for installation accurately, disturb little between part, measure accurately and reliably, failure rate is little; 2) the bottom end cover the inside forms moistureproof isolation ward, and control circuit board is installed in the end face of moistureproof isolation ward, on magnet-sensitive element installation and control circuit board, further simplifies product structure.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, the utility model comprises the control circuit board 1 of motor, stator 2, rotor 3, upper end cover 4, bottom end cover 5 and cylindrical shell 6, upper end cover 4 and bottom end cover 5 are installed in the upper and lower side of cylindrical shell 6 respectively, and at cylindrical shell 6 the insides formation cavity 7, stator 2 and rotor 3 are installed in cavity 7 the insides, upper end cover 4 is stretched out on the top of the rotating shaft 9 on the rotor 3, the tail end of rotating shaft 9 extend into magnet ring cavity 10 the insides that bottom end cover 5 is provided with, in the rotating shaft 9 of magnet ring cavity 10 the insides, magnet ring 11 is installed, outside at magnet ring cavity 10, the position of corresponding magnet ring 11 is equipped with magnet-sensitive element 12, and magnet-sensitive element 12 can be a Hall element.Bottom end cover 5 the insides form moistureproof isolation ward 8, and control circuit board 1 is installed in the end face of moistureproof isolation ward 8.On magnet-sensitive element 12 installation and control circuit boards 1.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620064290 CN200944556Y (en) | 2006-09-11 | 2006-09-11 | A motor sensor installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620064290 CN200944556Y (en) | 2006-09-11 | 2006-09-11 | A motor sensor installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200944556Y true CN200944556Y (en) | 2007-09-05 |
Family
ID=38719194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620064290 Expired - Lifetime CN200944556Y (en) | 2006-09-11 | 2006-09-11 | A motor sensor installation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200944556Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826783B (en) * | 2009-03-05 | 2011-09-14 | 中山大洋电机股份有限公司 | Sensing device for sensing position of rotor |
-
2006
- 2006-09-11 CN CN 200620064290 patent/CN200944556Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101826783B (en) * | 2009-03-05 | 2011-09-14 | 中山大洋电机股份有限公司 | Sensing device for sensing position of rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070905 |
|
| EXPY | Termination of patent right or utility model |