CN209516845U - A kind of Hall position sensor of motor mounting structure - Google Patents
A kind of Hall position sensor of motor mounting structure Download PDFInfo
- Publication number
- CN209516845U CN209516845U CN201822117922.7U CN201822117922U CN209516845U CN 209516845 U CN209516845 U CN 209516845U CN 201822117922 U CN201822117922 U CN 201822117922U CN 209516845 U CN209516845 U CN 209516845U
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- hall position
- sensor
- rotor
- position sensor
- stator
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Abstract
The utility model discloses a kind of Hall position sensor of motor mounting structures, belong to motor device technical field.It include: assembly shell, stator and rotor, assembly shell is provided with an assembly cavity, one end face of assembly shell is provided with an axis hole, stator is installed in assembly cavity, and rotor can be embedded in stator with rotating about the axis thereof, an output shaft is provided in the middle part of rotor, output shaft is threaded through in axis hole, wherein the length of rotor is longer than the length of stator, assembly shell is provided with pedestal away from the side of axis hole, sensor mount is provided in pedestal, a through-hole is offered in the middle part of sensor mount, the through-hole is set in one end of rotor, several hall position sensors are provided on sensor mount, the side wall face of each hall position sensor and rotor.A kind of Hall position sensor of motor mounting structure provided by the utility model reduces influence of the heat to hall position sensor, and facilitates the installation and replacement of hall position sensor.
Description
Technical field
The utility model relates to motor device technical fields, are specifically related to a kind of Hall position sensor of motor installation knot
Structure.
Background technique
Because the hall position sensor in brushless motor avoids electricity instead of carbon brush, commutator in brush motor
Carbon brush abrasion inside machine, to substantially prolong electrical machinery life.But brushless motor also has obvious disadvantage, is exactly hall position
Sensor is typically placed in inside motor, or even most of is all directly placed at stator core top or iron core and line overseam
Inside gap.Due to stator line job contract as when generate amount of heat, heat is directly transferred on Hall sensor.Temperature when motor works
Degree can continue to rise, and big load operation or short time heavy overload all can cause stator core entirety or local temperature different for a long time
It often increases, so that the tolerable temperature more than hall position sensor leads to sensor degradation.
Utility model content
For the above-mentioned problems in the prior art, it is desirable to provide a kind of mounting structure of motor Hall sensor subtracts
Influence of the heat generated inside few motor to hall position sensor.
Specific technical solution is as follows:
A kind of Hall position sensor of motor mounting structure, comprising: assembly shell, stator and rotor, assembly shell are set
It is equipped with an assembly cavity, the end face for assembling shell is provided with an axis hole, the setting annular in shape of the section of stator, and stator is installed in dress
With intracavitary, rotor is PM rotor, and rotor can be embedded in stator with rotating about the axis thereof, and one is provided in the middle part of rotor
Output shaft, output shaft are threaded through in axis hole, and wherein the length of rotor is longer than the length of stator, and assembly shell deviates from the side of axis hole
It is provided with pedestal, sensor mount is provided in pedestal, a through-hole is offered in the middle part of sensor mount, sensor peace
The one end for being set in rotor is shelved, several hall position sensors, each hall position sensing are provided on sensor mount
The side wall face of device and rotor, if being additionally provided with sensor circuit board on the inside of pedestal, sensor circuit board and several Hall positions
Set sensor electrical connection.
In a kind of above-mentioned Hall position sensor of motor mounting structure, also have the feature that, sensor mount
For annular setting, there are three hall position sensor settings, and three hall position sensor circular arrays are evenly arranged on sensor peace
It shelves away from the side of stator.
In a kind of above-mentioned Hall position sensor of motor mounting structure, also have the feature that, sensor mount
Edge setting away from stator side is there are three mounting groove, and angle is 120 ° between adjacent two mounting groove.
In a kind of above-mentioned Hall position sensor of motor mounting structure, also have the feature that, sensor mount
Side wall be provided with several convex blocks.
In a kind of above-mentioned Hall position sensor of motor mounting structure, also have the feature that, the inner sidewall of pedestal
Several grooves are offered, several grooves match with several convex blocks.
In a kind of above-mentioned Hall position sensor of motor mounting structure, also have the feature that, the inner sidewall of pedestal
It is also provided with several heat release holes.
The good effect of above-mentioned technical proposal is:
A kind of Hall position sensor of motor mounting structure provided by the utility model, sets hall position sensor independently
It sets on pedestal, and the side wall of pedestal is provided with several heat release holes, reduces the heat of stator and relative rotation of rotor generation to suddenly
The influence of your position sensor, and facilitate the installation and replacement of hall position sensor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment of Hall position sensor of motor mounting structure of the utility model.
In attached drawing: 1, output shaft；2, shell is assembled；3, rotor；4, stator；5, pedestal；51, heat release hole；6, sensor electricity
Road plate；7, sensor mount；8, hall position sensor.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, with
Lower embodiment combination attached drawing 1 is specifically addressed a kind of Hall position sensor of motor mounting structure provided by the utility model.
Fig. 1 is a kind of structural schematic diagram of the embodiment of Hall position sensor of motor mounting structure of the utility model.
In the present embodiment, which mainly includes output shaft 1, assembly shell 2, rotor 3, stator
4, pedestal 5, heat release hole 51, sensor circuit board 6, sensor mount 7, hall position sensor 8.
Assembly shell 2 is provided with an assembly cavity, and an end face of assembly shell 2 is provided with an axis hole, and the section of stator 4 is in circle
Ring-type setting, stator 4 are installed in assembly cavity, and rotor 3 is PM rotor, and rotor 3 can be embedded with rotating about the axis thereof
In stator 4, the middle part of rotor 3 is provided with an output shaft 1, and the torque that rotor 3 generates is spread out of by output shaft 1, and output shaft 1 is worn
In axis hole, wherein the length of rotor 3 is longer than the length of stator 4, and assembly shell 2 is provided with pedestal 5, bottom away from the side of axis hole
It is provided with sensor mount 7 in seat 5, the middle part of sensor mount 7 offers a through-hole, which is arranged
In one end of rotor 3, be provided with several hall position sensors 8 on sensor mount 7, each hall position sensor 8 with
The side wall face of rotor 3, hall position sensor 8 obtains the location information of rotor 3 during rotor 3 rotates, if pedestal 5
Inside be additionally provided with sensor circuit board 6, sensor circuit board 6 is electrically connected with several hall position sensors 8.
In a preferred embodiment, as shown in Figure 1, sensor mount 7 is annular setting, hall position sensing
There are three the settings of device 8, and three hall position sensors, 8 circular array is evenly arranged on the side that sensor mount 7 deviates from stator 4.
In a preferred embodiment, as shown in Figure 1, sensor mount 7 is arranged away from the edge of 4 side of stator
There are three mounting groove, angle is 120 ° between adjacent two mounting groove, is in 120 ° of phasetophases between adjacent hall position sensor 8
Every.
In a preferred embodiment, as shown in Figure 1, the side wall of sensor mount 7 is provided with several convex blocks.
In a preferred embodiment, as shown in Figure 1, the inner sidewall of pedestal 5 offers several grooves, several grooves
Match with several convex blocks, convenient for the dismounting of sensor mount 7 and pedestal 5, the convenient installation to hall position sensor 8.
In a preferred embodiment, it as shown in Figure 1, the inner sidewall of pedestal 5 is also provided with several heat release holes 51, dissipates
Hot hole 51 prevents hall position sensor 8 from overheating close to hall position sensor 8.
Hereinafter, being illustrated with a kind of specific embodiment, it should be pointed out that described in following implementation it
Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.
A kind of Hall position sensor of motor mounting structure provided in this embodiment, rotor are embedded in the inside of stator, turn
The length of son is longer than the length of stator, and rotor is flushed with one end of stator, and rotor is longer than one end of stator, the outer sheath of rotor
Equipped with mounting frame for sensor, there are three hall position sensors for circular array setting on the mounting frame for sensor, adjacent
It is in 120 ° of phase intervals between hall position sensor.Region of the hall position sensor from stator and relative rotation of rotor has
Certain distance, and heat release hole is offered close to the base side wall of hall position sensor, prevent hall position sensor from overheating.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art
The equivalent replacement made and obviously change obtained scheme, the protection scope of the utility model should all be included in
It is interior.
Claims (6)
1. a kind of Hall position sensor of motor mounting structure, comprising: assembly shell, stator and rotor, the assembly shell
It is provided with an assembly cavity, an end face of the assembly shell is provided with an axis hole, the setting annular in shape of the section of the stator, institute
It states stator to be installed in the assembly cavity, the rotor is PM rotor, and the rotor can be embedded with rotating about the axis thereof
In the stator, an output shaft is provided in the middle part of the rotor, the output shaft is threaded through in the axis hole, and feature exists
In, the length of the rotor is longer than the length of the stator, and the assembly shell is provided with pedestal away from the side of the axis hole,
It is provided with sensor mount in the pedestal, a through-hole is offered in the middle part of the sensor mount, the through-hole set
It is located at one end of the rotor, several hall position sensors, each Hall position are provided on the sensor mount
The side wall face of sensor Yu the rotor is set, if being additionally provided with sensor circuit board on the inside of the pedestal, the sensor
Circuit board is electrically connected with several hall position sensors.
2. a kind of Hall position sensor of motor mounting structure according to claim 1, which is characterized in that the sensor
Mounting rack is annular setting, and there are three the hall position sensor settings, the three hall position sensor circular arrays
It is evenly arranged on the side that the sensor mount deviates from the stator.
3. a kind of Hall position sensor of motor mounting structure according to claim 2, which is characterized in that the sensor
Mounting rack away from the stator side edge setting there are three mounting groove, angle is 120 ° between adjacent two mounting groove.
4. a kind of Hall position sensor of motor mounting structure according to claim 1, which is characterized in that the sensor
The side wall of mounting rack is provided with several convex blocks.
5. a kind of Hall position sensor of motor mounting structure according to claim 4, which is characterized in that the pedestal
Inner sidewall offers several grooves, and several grooves match with several convex blocks.
6. a kind of Hall position sensor of motor mounting structure according to claim 1, which is characterized in that the pedestal
Inner sidewall is also provided with several heat release holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117922.7U CN209516845U (en) | 2018-12-17 | 2018-12-17 | A kind of Hall position sensor of motor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822117922.7U CN209516845U (en) | 2018-12-17 | 2018-12-17 | A kind of Hall position sensor of motor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516845U true CN209516845U (en) | 2019-10-18 |
Family
ID=68195221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822117922.7U Active CN209516845U (en) | 2018-12-17 | 2018-12-17 | A kind of Hall position sensor of motor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193705A (en) * | 2021-04-30 | 2021-07-30 | 深圳市唯川科技有限公司 | Induction motor and garden tool |
-
2018
- 2018-12-17 CN CN201822117922.7U patent/CN209516845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193705A (en) * | 2021-04-30 | 2021-07-30 | 深圳市唯川科技有限公司 | Induction motor and garden tool |
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