CN214281175U - Brushless motor suitable for 2.8V-5V lithium electricity power supply - Google Patents
Brushless motor suitable for 2.8V-5V lithium electricity power supply Download PDFInfo
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- CN214281175U CN214281175U CN202023148648.3U CN202023148648U CN214281175U CN 214281175 U CN214281175 U CN 214281175U CN 202023148648 U CN202023148648 U CN 202023148648U CN 214281175 U CN214281175 U CN 214281175U
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Abstract
The utility model discloses a brushless motor suitable for power supply of 2.8V-5V lithium electricity relates to brushless motor technical field, include: the stator core is cylindrical, and a winding is wound on the wall of the stator core; the motor shaft is rotatably arranged in the stator core in a penetrating mode, and rotor magnetic steel is sleeved on the motor shaft; the motor drive board is electrically connected with the winding, and a single chip microcomputer control module is arranged on the motor drive board and used for controlling the phase difference of the brushless motor; the brushless motor has no electric brush, the phase difference of the motor is controlled by the single-chip microcomputer control module on the motor drive board, the motor runs stably, and the service life of the motor is prolonged.
Description
Technical Field
The utility model belongs to the technical field of brushless motor, more specifically relates to a brushless motor suitable for power supply of 2.8V-5V lithium electricity.
Background
The small direct current motor in the current market basically uses a brush reversing working principle, and has the defect that the motor has short service life, and the service life of the motor is not more than 1000 hours generally.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of existence among the prior art, provide a brushless motor who is applicable to 2.8V-5V lithium electricity power supply, do not have the brush, utilize the single chip microcomputer control module control motor phase difference on the motor drive board, improve the life-span of motor.
In order to achieve the above object, the present invention provides a brushless motor suitable for 2.8V-5V lithium battery power supply, including:
the stator core is cylindrical, and a winding is wound on the wall of the stator core;
the motor shaft is rotatably arranged in the stator core in a penetrating mode, and rotor magnetic steel is sleeved on the motor shaft;
the motor drive board is electrically connected with the winding, a single chip microcomputer control module is arranged on the motor drive board, and the single chip microcomputer control module is used for controlling the phase difference of the brushless motor.
Optionally, both ends of the stator core are provided with frameworks, the frameworks are annular, and two ends, away from each other, of the frameworks are provided with tooth-shaped grooves.
Optionally, a winding slot is formed in an inner circumference of the stator core, and the winding slot is matched with the tooth-shaped groove and used for winding a winding.
Optionally, the stator further comprises a housing, and the stator core is arranged on the inner wall of the housing.
Optionally, a front end cover is integrally formed at one end of the housing, and the motor shaft penetrates through the front end cover.
Optionally, the other end of the housing is open and the other end of the housing is closed by a rear end cap.
Optionally, the one end of the motor shaft is rotationally matched with the front end cover through a first oil-containing bearing, and the other end of the motor shaft is rotationally matched with the rear end cover through a second oil-containing bearing.
Optionally, a drive plate housing is arranged at the other end of the housing, the motor drive plate is arranged in the drive plate housing, and a lead-out wire is connected to the motor drive plate and penetrates through the drive plate housing.
Optionally, the material of the drive plate housing is plastic.
Optionally, an MCU chip and an NMOS tube are disposed on the motor driving board.
The utility model provides a brushless motor suitable for power supply of 2.8V-5V lithium electricity, its beneficial effect lies in: the brushless motor has no electric brush, the phase difference of the motor is controlled by the single-chip microcomputer control module on the motor drive board, the motor runs stably, and the service life of the motor is prolonged.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural diagram of a brushless motor suitable for supplying power to a 2.8V-5V lithium battery according to an embodiment of the present invention.
Fig. 2 shows a circuit diagram of a motor driving board of a brushless motor suitable for supplying power to a 2.8V-5V lithium battery according to an embodiment of the present invention.
Description of reference numerals:
1. a stator core; 2. a motor shaft; 3. rotor magnetic steel; 4. a motor drive plate; 5. a framework; 6. A toothed groove; 7. a housing; 8. a front end cover; 9. a rear end cap; 10. a first oil-retaining bearing; 11. a second oil-retaining bearing; 12. a drive plate housing; 13. an MCU chip; 14. and an NMOS tube.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a brushless motor suitable for power supply of 2.8V-5V lithium electricity, include:
the stator core is cylindrical, and a winding is wound on the wall of the stator core;
the motor shaft is rotatably arranged in the stator core in a penetrating mode, and rotor magnetic steel is sleeved on the motor shaft;
and the motor drive board is electrically connected with the winding, and a single chip microcomputer control module is arranged on the motor drive board and used for controlling the phase difference of the brushless motor.
Specifically, this brushless motor's winding is on stator core, and rotor magnetic steel is established to the cover on the motor shaft, and through giving the winding electricity, provides alternating magnetic field for the motor shaft is at stator core inside rotation, utilizes the single chip microcomputer control module control this brushless motor phase difference on the motor drive board, makes this brushless motor steady operation.
Optionally, the two ends of the stator core are provided with frameworks, the frameworks are annular, and one ends, away from each other, of the two frameworks are provided with tooth-shaped grooves.
Specifically, the tooth-shaped groove has a limiting effect on the winding.
Optionally, the stator core has a winding slot formed on an inner circumference thereof, and the winding slot is engaged with the tooth-shaped groove for winding the winding.
Specifically, the winding slots are formed in the inner wall of the stator core and are formed in the radial direction of the stator core.
Optionally, the stator further comprises a housing, and the stator core is arranged on the inner wall of the housing.
Specifically, the stator iron core is glued on the inner wall of the shell.
Optionally, one end of the housing is integrally formed with a front end cover, and the motor shaft penetrates through the front end cover.
Specifically, a motor shaft through hole is formed in the center of the front end cover.
Optionally, the other end of the housing is open and the other end of the housing is closed by a rear end cap.
Optionally, one end of the motor shaft is rotationally matched with the front end cover through a first oil-containing bearing, and the other end of the motor shaft is rotationally matched with the rear end cover through a second oil-containing bearing.
Specifically, a first oil-retaining bearing is arranged in a through hole of the motor shaft, a bearing seat is arranged at the center of the rear end cover, and a second oil-retaining bearing is arranged in the bearing seat.
Optionally, a drive plate housing is arranged at the other end of the housing, the motor drive plate is arranged in the drive plate housing, and a lead-out wire is connected to the motor drive plate and penetrates through the drive plate housing.
Specifically, the drive plate shell is internally provided with a containing cavity, and the motor drive plate is arranged in the containing cavity and protected by the drive plate shell.
Optionally, the material of the drive plate housing is plastic.
Optionally, the motor driving board is provided with an MCU chip and an NMOS transistor.
Examples
As shown in fig. 1 and fig. 2, the utility model provides a brushless motor suitable for 2.8V-5V lithium electricity power supply, include:
the stator core 1 is cylindrical, and a winding is wound on the wall of the stator core 1;
the motor shaft 2 is rotatably arranged in the stator core 1 in a penetrating mode, and the rotor magnetic steel 3 is sleeved on the motor shaft 2;
and the motor drive plate 4 is electrically connected with the winding, and a single chip microcomputer control module is arranged on the motor drive plate 4 and used for controlling the phase difference of the brushless motor.
In this embodiment, the two ends of the stator core 1 are provided with the skeletons 5, the skeletons 5 are annular, and the end of each of the two skeletons 5 away from each other is provided with the tooth-shaped groove 6.
In this embodiment, the stator core 1 has a winding slot formed on its inner periphery, and the winding slot is engaged with the tooth-shaped groove 6 for winding a winding.
In the present embodiment, a housing 7 is further included, and the stator core 1 is disposed on an inner wall of the housing 7.
In this embodiment, a front cover 8 is integrally formed at one end of the housing 7, and the motor shaft 2 penetrates the front cover 8.
In this embodiment, the other end of the housing 7 is open, and the other end of the housing 7 is closed by a rear end cap 9.
In the present embodiment, one end of the motor shaft 2 is rotatably engaged with the front cover 8 through a first oil-retaining bearing 10, and the other end of the motor shaft 2 is rotatably engaged with the rear cover 9 through a second oil-retaining bearing 11.
In the embodiment, a drive plate housing 12 is provided at the other end of the housing 7, the motor drive plate 4 is provided in the drive plate housing 12, and the motor drive plate 4 is connected with a lead-out wire which penetrates through the drive plate housing 12.
In the present embodiment, the material of the drive plate housing 12 is plastic.
In this embodiment, the motor driving board is provided with an MCU chip 13 and an NMOS transistor 14.
To sum up, the utility model provides a brushless motor suitable for 2.8V-5V lithium electricity power supply when using, through drawing out the direction and connect the electricity, through the circuit that MCU chip 13 and NMOS pipe 14 formed on the motor drive board 4 as shown in fig. 2, realize the power supply to this brushless motor, control motor phase difference reaches the motor steady operation, adopts brushless motor form, improves the life-span of motor.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A brushless motor suitable for supplying power to a 2.8V-5V lithium battery, comprising:
the stator core is cylindrical, and a winding is wound on the wall of the stator core;
the motor shaft is rotatably arranged in the stator core in a penetrating mode, and rotor magnetic steel is sleeved on the motor shaft;
the motor drive board is electrically connected with the winding, a single chip microcomputer control module is arranged on the motor drive board, and the single chip microcomputer control module is used for controlling the phase difference of the brushless motor.
2. A brushless motor suitable for supplying power to a 2.8V-5V lithium battery as recited in claim 1, wherein the two ends of the stator core are provided with skeletons, the skeletons are annular, and the end of each of the two skeletons away from each other is provided with an indented groove.
3. A brushless motor suitable for supplying 2.8V-5V lithium power supply as claimed in claim 2, wherein the stator core has a winding slot formed on its inner circumference, and the winding slot is engaged with the tooth-shaped groove for winding the winding.
4. The brushless motor adapted to power a 2.8-5V lithium battery of claim 1, further comprising a housing, the stator core disposed on an inner wall of the housing.
5. The brushless motor suitable for supplying power to a 2.8V-5V lithium battery of claim 4, wherein a front end cap is integrally formed at one end of the housing, and the motor shaft penetrates through the front end cap.
6. The brushless motor suitable for powering a 2.8V-5V lithium battery as recited in claim 5, wherein the other end of the housing is open and the other end of the housing is closed by a back end cap.
7. The brushless motor suitable for supplying power to a 2.8V-5V lithium battery as claimed in claim 6, wherein one end of the motor shaft is rotationally engaged with the front end cap through a first oil-retaining bearing, and the other end of the motor shaft is rotationally engaged with the rear end cap through a second oil-retaining bearing.
8. The brushless motor suitable for supplying power to a 2.8V-5V lithium battery as defined in claim 6, wherein a drive plate housing is arranged at the other end of the housing, the motor drive plate is arranged in the drive plate housing, and lead-out wires are connected to the motor drive plate and penetrate through the drive plate housing.
9. A brushless motor suitable for powering a 2.8V-5V lithium battery as recited in claim 8, wherein the material of the drive plate housing is plastic.
10. A brushless motor suitable for supplying power to a 2.8V-5V lithium battery as recited in claim 1, wherein the motor driving board is provided with an MCU chip and an NMOS transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023148648.3U CN214281175U (en) | 2020-12-23 | 2020-12-23 | Brushless motor suitable for 2.8V-5V lithium electricity power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023148648.3U CN214281175U (en) | 2020-12-23 | 2020-12-23 | Brushless motor suitable for 2.8V-5V lithium electricity power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214281175U true CN214281175U (en) | 2021-09-24 |
Family
ID=77801273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023148648.3U Active CN214281175U (en) | 2020-12-23 | 2020-12-23 | Brushless motor suitable for 2.8V-5V lithium electricity power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214281175U (en) |
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2020
- 2020-12-23 CN CN202023148648.3U patent/CN214281175U/en active Active
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