CN208112440U - The fixed structure of permanent magnet synchronous motor position sensor - Google Patents
The fixed structure of permanent magnet synchronous motor position sensor Download PDFInfo
- Publication number
- CN208112440U CN208112440U CN201820386909.9U CN201820386909U CN208112440U CN 208112440 U CN208112440 U CN 208112440U CN 201820386909 U CN201820386909 U CN 201820386909U CN 208112440 U CN208112440 U CN 208112440U
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- China
- Prior art keywords
- fixed
- position sensor
- rear end
- end cap
- synchronous motor
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Abstract
The utility model is to provide a kind of fixed structure of permanent magnet synchronous motor position sensor that can prevent Hall sensor from damaging, and is related to technical field of motors.It includes Hall sensor, armature spindle and the rear end cap with armature spindle cooperation, the mounting hole of the rear end cap is through-hole, the armature spindle stretches out mounting hole and extension end is fixed with magnet steel, and the rear end cap is connected with fixed plate, and the Hall sensor is mounted in fixed plate.The fixed structure of the position sensor of the motor of the utility model is simple, and Hall sensor is mounted on rear end cap by fixed plate, far from motor stator and rotor, avoids influence of the machine winding to position sensor.
Description
Technical field
The utility model relates to technical field of motors, more particularly, to the fixed knot of permanent magnet synchronous motor position sensor
Structure.
Background technique
Permanent magnetic synchronous motor structure includes rotor, stator, shell and end cap；Rotor center is equipped with armature spindle, and stator is fixed
Inside the shell, end cap is connected on the shell of fixed stator, and end cap is provided with mounting hole, is cooperated by mounting hole and armature spindle to protect
Demonstrate,prove the gap of rotor and stator.It is also set in permanent magnet synchronous motor in technical field of motors in order to realize the accurate control to motor
It is equipped with position sensor.Hall sensor be using component made of hall principle, due to its with precision height, shock resistance,
The advantages that vibration and be widely used in permanent magnet synchronous motor to detect motor rotor position.The hall sensing of existing motor
Device fixed structure is that Hall sensor is mounted in the slot of stator.Since Hall sensor is mounted in the slot of stator, electricity
Easily Hall sensor is damaged after machine fever.
Utility model content
The technical problem to be solved by the utility model is to provide the permanent-magnet synchronous that one kind can prevent Hall sensor from damaging
The fixed structure of motor position sensor.
Technical solution adopted by the utility model to solve its technical problems is：Permanent magnet synchronous motor position sensor is consolidated
Determine structure, including Hall sensor, armature spindle and the rear end cap cooperated with armature spindle, the mounting hole of the rear end cap is logical
Hole, the armature spindle stretches out mounting hole and extension end is fixed with magnet steel, and the rear end cap is connected with fixed plate, the hall sensing
Device is mounted in fixed plate.
Further, the Hall sensor is magnetic coder.
Further, the distance of reaction of the magnetic coder and magnet steel is 1-2mm.
Further, the fixed plate is equipped with kidney slot, and the fixed plate is fixed by bolts to rear end cap by kidney slot
On.
Further, the fixed plate is pcb board.
Further, the rear end face of the armature spindle is equipped with the groove being adapted to magnet steel, and the magnet steel gluing is fixed on recessed
In slot.
The utility model has the beneficial effects that：The fixed structure of the permanent magnet synchronous motor position sensor of the utility model,
Magnet steel is directly installed on armature spindle, armature spindle rotation drives magnet steel rotation, and the magnetic field of magnet steel is detected by Hall sensor
To detect the position of rotor, the fixed structure of the position sensor of motor is simple for variation.Hall sensor passes through fixed plate
It is mounted on rear end cap, far from motor stator and rotor, avoids influence of the machine winding to position sensor.
Detailed description of the invention
Fig. 1 is the mounting structure perspective view of the explosion of the utility model
Fig. 2 is the mounting structure schematic diagram of the utility model；
Fig. 3 is the magnet steel installation end end view of the utility model armature spindle；
Fig. 4 is the fixed plate schematic diagram of the utility model.
As shown in the figure：1. rotor, 2. rear end caps, 3. fixed plates, 4. shells, 11. armature spindles, 12. magnet steel, 21. mounting holes,
31. magnetic coder, 32. waist type grooves, 111. grooves
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the fixed structure of permanent magnet synchronous motor position sensor, including Hall sensor, armature spindle
11 and the rear end cap 2 that cooperates with armature spindle 11, the mounting hole 21 of the rear end cap 2 is through-hole, and the armature spindle 11 stretches out peace
It fills hole 21 and extension end is fixed with magnet steel 12, the rear end cap 2 is connected with fixed plate 3, and the Hall sensor is mounted on fixation
On plate 3.
Armature spindle 11 stretches out mounting hole 21 and extension end is fixed with magnet steel 12, and the effect of magnet steel 12 is mentioned for Hall sensor
For the magnetic field of induction, magnet steel 12 can be magnet ring or magnetic links.The fixed form of magnet steel can be using bonding, clamping or spiral shell
The modes such as nail connection, the fixed form being preferably bonded, bonding magnetic steel are fixed more convenient.Magnet steel is directly anchored on armature spindle, magnetic
The fixed structure of steel is simple.
Hall sensor is to utilize component made of hall principle.Due to the detection accuracy of magnetic coder is high, installation,
It is easy to use, when measurement, a magnetic coder need to be only installed, motor is installed part and is reduced, during motor manufacturing can
It is higher by property, therefore, the preferred magnetic coder of Hall sensor.
In order to keep magnetic coder detection signal more acurrate, it is preferred that the distance of reaction of magnetic coder 31 and magnet steel 12 is 1-
2mm。
For the ease of the installation of fixed plate 3 and the position adjustment of Hall sensor, further, fixed plate 3 is equipped with waist
Shape slot 32, fixed plate 3 are fixed by bolts on rear end cap 2 by kidney slot 32.
Fixed plate 3 can be pcb board, so as to which Signal Processing Element and route are integrated in fixed plate 3, Jin Erke
Keep electric machine structure more compact.Hall sensor is mounted in fixed plate 3 that i.e. Hall sensor is connect with fixed plate 3.
For the ease of the installation and fixation of magnet steel, further, the rear end face of armature spindle 11 is equipped with to be adapted to magnet steel 12
Groove 111,12 gluing of magnet steel is fixed in groove 111.As shown in figure 3, groove 111 is adapted to magnet steel 12, that is, guarantee magnet steel
12 can be mounted in groove 111.For the ease of the processing of groove 111, groove 111 is additionally provided with processing cutter groove.
The working principle of the utility model：Motor rotate when, armature spindle 11 drive magnet steel 12 rotate, Hall sensor according to
The changes of magnetic field of magnet steel exports corresponding signal, so that position, the revolving speed etc. of rotor can be detected.Magnet steel is directly installed on armature spindle
On, magnetic strength mounting structure is simple；Hall sensor is mounted on rear end cap, far from motor stator and rotor, avoids machine winding pair
The influence of position sensor, Hall sensor longer life expectancy.
Claims (6)
1. the fixed structure of permanent magnet synchronous motor position sensor, including Hall sensor, armature spindle (11) and and armature spindle
(11) rear end cap (2) cooperated, it is characterised in that：The mounting hole (21) of the rear end cap (2) is through-hole, the armature spindle (11)
It stretches out mounting hole (21) and extension end is fixed with magnet steel (12), the rear end cap (2) is connected with fixed plate (3), and the Hall passes
Sensor is mounted on fixed plate (3).
2. the fixed structure of permanent magnet synchronous motor position sensor as described in claim 1, it is characterised in that：The Hall passes
Sensor is magnetic coder (31).
3. the fixed structure of permanent magnet synchronous motor position sensor as claimed in claim 2, it is characterised in that：The magnetic coding
Device (31) and the distance of reaction of magnet steel (12) are 1-2mm.
4. the fixed structure of permanent magnet synchronous motor position sensor as described in claim 1, it is characterised in that：The fixed plate
(3) kidney slot (32) are equipped with, the fixed plate (3) is fixed by bolts on rear end cap (2) by kidney slot (32).
5. the fixed structure of permanent magnet synchronous motor position sensor as described in claim 1, it is characterised in that：The fixed plate
It (3) is pcb board.
6. the fixed structure of the permanent magnet synchronous motor position sensor as described in any one of claims 1 to 5 claim,
It is characterized in that：The rear end face of the armature spindle (11) is equipped with the groove (111) being adapted to magnet steel (12), magnet steel (12) gluing
It is fixed in groove (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386909.9U CN208112440U (en) | 2018-03-21 | 2018-03-21 | The fixed structure of permanent magnet synchronous motor position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386909.9U CN208112440U (en) | 2018-03-21 | 2018-03-21 | The fixed structure of permanent magnet synchronous motor position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208112440U true CN208112440U (en) | 2018-11-16 |
Family
ID=64122090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820386909.9U Active CN208112440U (en) | 2018-03-21 | 2018-03-21 | The fixed structure of permanent magnet synchronous motor position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208112440U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538254A (en) * | 2020-05-11 | 2020-08-14 | 成都华川电装有限责任公司 | Simulation circuit for obtaining performance MAP table of permanent magnet synchronous motor |
| CN112436761A (en) * | 2020-11-06 | 2021-03-02 | 上海汽车工业(集团)总公司 | Magnetic steel crushing diagnosis method and diagnosis system for brushless motor position sensor |
-
2018
- 2018-03-21 CN CN201820386909.9U patent/CN208112440U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111538254A (en) * | 2020-05-11 | 2020-08-14 | 成都华川电装有限责任公司 | Simulation circuit for obtaining performance MAP table of permanent magnet synchronous motor |
| CN111538254B (en) * | 2020-05-11 | 2023-04-07 | 成都华川电装有限责任公司 | Simulation circuit for obtaining performance MAP table of permanent magnet synchronous motor |
| CN112436761A (en) * | 2020-11-06 | 2021-03-02 | 上海汽车工业(集团)总公司 | Magnetic steel crushing diagnosis method and diagnosis system for brushless motor position sensor |
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