CN109301988A - A kind of brushless DC motor positioning device - Google Patents
A kind of brushless DC motor positioning device Download PDFInfo
- Publication number
- CN109301988A CN109301988A CN201811302306.7A CN201811302306A CN109301988A CN 109301988 A CN109301988 A CN 109301988A CN 201811302306 A CN201811302306 A CN 201811302306A CN 109301988 A CN109301988 A CN 109301988A
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- CN
- China
- Prior art keywords
- fixed plate
- drive rod
- brushless
- motor
- motor casing
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of brushless DC motor positioning devices, including motor casing, the motor casing is internally provided with adverse current device, sealing ring is filled with inside the structural cavities of the motor casing and adverse current device, the inside center position of the motor casing is connected with drive rod, the two sides of the drive rod are provided with radiating groove, described drive rod one end is connected with fixed plate, the junction of the drive rod and fixed plate is provided with stator, the surface of the fixed plate is provided with mounting groove, the fixed plate is provided with coil slot, and the side of the coil slot is provided with positioning pin.This kind invention design is reasonable, practical function, by being provided with multiple coil slots, and coil slot is symmetrically distributed in the surface of fixed plate, forms electric current by the coil in coil slot, and then effectively guarantee drive rod stable rotation, by the cooling fin in radiating groove, the effect of heat dissipation, inventive structure multiplicity can be effectively played, functional is suitble to be widely popularized.
Description
Technical field
The present invention relates to motor device technical field, in particular to a kind of brushless DC motor positioning device.
Background technique
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product.It is brushless
Motor refers to the motor of brushless and commutator (or collector ring), also known as commutatorless machine.Early in 19 discipline birth motors
When, the practicability motor of generation is exactly brushless form, i.e. mouse cage AC formula asynchronous motor, and this motor has obtained extensively
Application.But there are many defects that can not be overcome for asynchronous motor, so that motor technology develops slowly.The middle of last century birth
Transistor has been given birth to, thus has replaced the DC brushless motor of brush and commutator just to come into being using transistor commutating circuit.
This novel brushless motor is known as electronically commutated direct current generator, it overcomes the defect of first generation brushless motor, wherein motor
The method of rotor fixed position is a problem of people's research, when rotor fixed position used at present effectively cannot keep rotor to rotate
Stability, have certain limitation.
Summary of the invention
The main purpose of the present invention is to provide a kind of brushless DC motor positioning devices, can effectively solve background
The problems in technology.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of brushless DC motor positioning device, including motor casing, the motor casing is internally provided with adverse current device, described
Sealing ring is filled with inside the structural cavities of motor casing and adverse current device, the inside center position of the motor casing is connected with transmission
Bar, the two sides of the drive rod are provided with radiating groove, and described drive rod one end is connected with fixed plate, the drive rod and fixed plate
Junction be provided with stator, the centre of surface position of the fixed plate is provided with connecting hole, and the surrounding of the connecting hole is provided with spiral shell
Hole, the surface surrounding of the fixed plate are provided with groove, and the surface of the fixed plate is provided with mounting groove, and the fixed plate is provided with line
The side of ring recess, the coil slot is provided with positioning pin.
Further, the fixed plate and drive rod are mutually permanently connected by connecting hole, and the connecting hole is set to
The center surface of fixed plate, the stator are symmetrically distributed in the contact position of fixed plate and drive rod.
Further, there are four the coil slot is arranged altogether, four coil slots are symmetrically distributed in the surrounding of connecting hole,
The coil slot is internally provided with coil.
Further, the mounting groove is in cirque structure, and the inside of the mounting groove is filled with flexible glue washer.
Further, the central axis of the drive rod, motor casing and fixed plate is same straight line.
Further, the radiating groove is internally provided with cooling fin, and the cooling fin material of the radiating groove is aluminium alloy
Material.
Compared with prior art, the invention has the following beneficial effects: this kind invention designs rationally, and practical function passes through
Multiple coil slots are provided with, and coil slot is symmetrically distributed in the surface of fixed plate, electric current is formed by the coil in coil slot, into
And make drive rod rotation, and the electric current that the surface of fixed plate is formed is stablized, and then effectively guarantee drive rod stable rotation, pass through
It is same straight line by the central axis of drive rod, motor casing and fixed plate, drive rod, motor casing and fixed plate can be passed through
Center line can effectively guarantee the slow-roll stabilization of rotor, pass through the cooling fin in radiating groove, Ke Yiyou on same straight line
The effect for playing heat dissipation of effect, inventive structure multiplicity, functional are suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Fig. 2 is fixed plate structure schematic diagram of the present invention.
In figure: 1, motor casing；2, fixed plate；3, sealing ring；4, radiating groove；5, adverse current device；6, stator；7, drive rod；8,
Groove；9, positioning pin；10, screw hole；11, connecting hole；12, mounting groove；13, coil slot.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in Figs. 1-2, a kind of brushless DC motor positioning device, including motor casing 1, the motor casing 1 it is interior
Portion is provided with adverse current device 5, is filled with sealing ring 3 inside the motor casing 1 and the structural cavities of adverse current device 5, the motor casing 1
Inside center position is connected with drive rod 7, and the two sides of the drive rod 7 are provided with radiating groove 4,7 one end of drive rod clamping
There is fixed plate 2, the drive rod 7 and the junction of fixed plate 2 are provided with stator 6, and the centre of surface position of the fixed plate 2 is opened
There is connecting hole 11, the surrounding of the connecting hole 11 is provided with screw hole 10, and the surface surrounding of the fixed plate 2 is provided with groove 8, described solid
The surface of fixed board 2 is provided with mounting groove 12, and the fixed plate 2 is provided with coil slot 13, and the side of the coil slot 13 is provided with fixed
Position pin 9.
Wherein, the fixed plate 2 is mutually permanently connected with drive rod 7 by connecting hole 11, the setting of the connecting hole 11
In the center surface of fixed plate 2, the stator 6 is symmetrically distributed in the contact position of fixed plate 2 Yu drive rod 7, can effectively protect
Demonstrate,prove the slow-roll stabilization of drive rod 7.
Wherein, there are four the coil slot 13 is arranged altogether, four coil slots 13 are symmetrically distributed in the four of connecting hole 11
Week, the coil slot 13 are internally provided with coil, and the formation pressure stabilizing of drive rod 7 can be made by symmetrical coil slot 13
Current stabilization, and then guarantee the slow-roll stabilization of drive rod 7.
Wherein, the mounting groove 12 is in cirque structure, and the inside of the mounting groove 12 is filled with flexible glue washer, Ke Yitong
Crossing mounting groove 12 connect fixed plate 2 with other components, and the washer inside mounting groove 12 can effectively play reduction friction
Effect.
Wherein, the central axis of the drive rod 7, motor casing 1 and fixed plate 2 is same straight line, can pass through transmission
The center line of bar 7, motor casing 1 and fixed plate 2 can effectively guarantee the slow-roll stabilization of rotor on same straight line.
Wherein, the radiating groove 4 is internally provided with cooling fin, and the cooling fin material of the radiating groove 4 is aluminium alloy material
Matter can effectively play the effect of heat dissipation by the cooling fin inside radiating groove 4.
It should be noted that the present invention is a kind of brushless DC motor positioning device, in use, drive rod 7 first
One end be connected in the inner hub location of motor casing 1, the other end of drive rod 7 is connect by connecting hole 11 with fixed plate 2,
It is provided with coil in coil slot 13 by 2 surface of fixed plate, forming electric current by coil rotates drive rod 7, and logical
Being uniformly and symmetrically distributed for online ring recess 13 is crossed, so that the surface of fixed plate 2 is formed voltage stabilization and current stabilization, and then keep the rotation of drive rod 7 steady
It is fixed.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of brushless DC motor positioning device, including motor casing (1), it is characterised in that: the motor casing (1) it is interior
Portion is provided with adverse current device (5), is filled with sealing ring (3) inside the structural cavities of the motor casing (1) and adverse current device (5), described
The inside center position of motor casing (1) is connected with drive rod (7), and the two sides of the drive rod (7) are provided with radiating groove (4), institute
Drive rod (7) one end to be stated to be connected with fixed plate (2), the junction of the drive rod (7) and fixed plate (2) is provided with stator (6),
The centre of surface position of the fixed plate (2) is provided with connecting hole (11), and the surrounding of the connecting hole (11) is provided with screw hole (10), institute
The surface surrounding for stating fixed plate (2) is provided with groove (8), and the surface of the fixed plate (2) is provided with mounting groove (12), the fixed plate
(2) be provided with coil slot (13), the side of the coil slot (13) is provided with positioning pin (9).
2. a kind of brushless DC motor positioning device according to claim 1, it is characterised in that: the fixed plate
(2) it is mutually permanently connected with drive rod (7) by connecting hole (11), the connecting hole (11) is set in fixed plate (2)
Heart surface, the stator (6) are symmetrically distributed in the contact position of fixed plate (2) Yu drive rod (7).
3. a kind of brushless DC motor positioning device according to claim 1, it is characterised in that: the coil slot
(13) altogether there are four settings, four coil slots (13) are symmetrically distributed in the surrounding of connecting hole (11), the coil slot (13)
Be internally provided with coil.
4. a kind of brushless DC motor positioning device according to claim 1, it is characterised in that: the mounting groove
It (12) is in cirque structure, the inside of the mounting groove (12) is filled with flexible glue washer.
5. a kind of brushless DC motor positioning device according to claim 1, it is characterised in that: the drive rod
(7), motor casing (1) and the central axis of fixed plate (2) are same straight line.
6. a kind of brushless DC motor positioning device according to claim 1, it is characterised in that: the radiating groove
(4) be internally provided with cooling fin, the cooling fin material of the radiating groove (4) is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302306.7A CN109301988A (en) | 2018-11-02 | 2018-11-02 | A kind of brushless DC motor positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811302306.7A CN109301988A (en) | 2018-11-02 | 2018-11-02 | A kind of brushless DC motor positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109301988A true CN109301988A (en) | 2019-02-01 |
Family
ID=65146321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811302306.7A Pending CN109301988A (en) | 2018-11-02 | 2018-11-02 | A kind of brushless DC motor positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109301988A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243995A (en) * | 2021-11-09 | 2022-03-25 | 安徽孟凌精密电子有限公司 | Energizing system for accurately controlling brushless motor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041463U (en) * | 1988-08-18 | 1989-07-19 | 汤镛之 | Dc brushless motor |
| CN1046417A (en) * | 1990-02-28 | 1990-10-24 | 包瑞刚 | Electronic commutated dc motor |
| CN2096158U (en) * | 1991-07-04 | 1992-02-12 | 董文山 | Dc motor |
| CN2435875Y (en) * | 2000-07-04 | 2001-06-20 | 深圳航天微电机有限公司 | Brushless dc motor submersible oil pump |
| CN203398968U (en) * | 2013-09-04 | 2014-01-15 | 赖庆 | Permanent magnet direct current brushless motor structure |
| CN204013168U (en) * | 2014-06-24 | 2014-12-10 | 东莞市吉铼升电机有限公司 | A kind of flat DC permanent magnet iron-core-free brushless motor for ultra-thin DVD |
| CN205389165U (en) * | 2015-12-17 | 2016-07-20 | 湖州巨宏电机有限公司 | Dust catcher DC Brushless motor |
| CN206272456U (en) * | 2016-11-08 | 2017-06-20 | 余姚市宏阳微电机有限公司 | A kind of brshless DC motor |
| CN107181350A (en) * | 2017-06-15 | 2017-09-19 | 深圳安迪斯电子科技有限公司 | DC brushless motor |
| CN207652244U (en) * | 2017-12-19 | 2018-07-24 | 舟山晨光电器有限公司 | A kind of DC brushless motor |
| CN108512386A (en) * | 2018-06-09 | 2018-09-07 | 常州瑞丰特科技有限公司 | DC brushless motor |
| CN110601445A (en) * | 2019-10-15 | 2019-12-20 | 江苏铁锚工具有限公司 | Outer rotor motor applying multi-groove rotor and application |
-
2018
- 2018-11-02 CN CN201811302306.7A patent/CN109301988A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2041463U (en) * | 1988-08-18 | 1989-07-19 | 汤镛之 | Dc brushless motor |
| CN1046417A (en) * | 1990-02-28 | 1990-10-24 | 包瑞刚 | Electronic commutated dc motor |
| CN2096158U (en) * | 1991-07-04 | 1992-02-12 | 董文山 | Dc motor |
| CN2435875Y (en) * | 2000-07-04 | 2001-06-20 | 深圳航天微电机有限公司 | Brushless dc motor submersible oil pump |
| CN203398968U (en) * | 2013-09-04 | 2014-01-15 | 赖庆 | Permanent magnet direct current brushless motor structure |
| CN204013168U (en) * | 2014-06-24 | 2014-12-10 | 东莞市吉铼升电机有限公司 | A kind of flat DC permanent magnet iron-core-free brushless motor for ultra-thin DVD |
| CN205389165U (en) * | 2015-12-17 | 2016-07-20 | 湖州巨宏电机有限公司 | Dust catcher DC Brushless motor |
| CN206272456U (en) * | 2016-11-08 | 2017-06-20 | 余姚市宏阳微电机有限公司 | A kind of brshless DC motor |
| CN107181350A (en) * | 2017-06-15 | 2017-09-19 | 深圳安迪斯电子科技有限公司 | DC brushless motor |
| CN207652244U (en) * | 2017-12-19 | 2018-07-24 | 舟山晨光电器有限公司 | A kind of DC brushless motor |
| CN108512386A (en) * | 2018-06-09 | 2018-09-07 | 常州瑞丰特科技有限公司 | DC brushless motor |
| CN110601445A (en) * | 2019-10-15 | 2019-12-20 | 江苏铁锚工具有限公司 | Outer rotor motor applying multi-groove rotor and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243995A (en) * | 2021-11-09 | 2022-03-25 | 安徽孟凌精密电子有限公司 | Energizing system for accurately controlling brushless motor |
| CN114243995B (en) * | 2021-11-09 | 2023-11-21 | 安徽孟凌精密电子有限公司 | Power-on system for precisely controlling brushless motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190201 |