CN111682684B - High-torque variable-speed micromotor - Google Patents
High-torque variable-speed micromotor Download PDFInfo
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- CN111682684B CN111682684B CN202010452811.0A CN202010452811A CN111682684B CN 111682684 B CN111682684 B CN 111682684B CN 202010452811 A CN202010452811 A CN 202010452811A CN 111682684 B CN111682684 B CN 111682684B
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- micromotor
- noise reduction
- shell
- plate
- transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the technical field of rotor research and development design, in particular to a high-torque speed change structure and a micromotor, and adopts the following technical scheme: the device comprises a micromotor shell, a connecting piece, an output shaft, a first transmission set, a second transmission set, a stator, a rotor and a rotating shaft; the output shaft is rotationally connected with the second fixing plate, the second transmission set is arranged on the connecting plate and connected with the output shaft, and the first transmission set is arranged on the first fixing plate and connected with the second transmission set in a transmission way; the rotating shaft is rotationally connected with the micromotor shell and is in transmission connection with the first transmission set; compared with the prior art, the advantages are that: the output side transmission gear structure has large torsion and excellent use effect.
Description
The technical field is as follows:
the invention relates to the technical field of research, development and design of rotors, in particular to a high-torque variable-speed micromotor.
Background art: the motor is an electromagnetic device which realizes the conversion or transmission of electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy; the motor converts electric energy into mechanical energy, and the generator converts the mechanical energy into electric energy; the motor generally refers to an electric motor, and the main function of the electric motor is to generate driving torque as a power source of electric appliances or various machines;
the micromotor belongs to one of motors, is totally called a 'micromotor', and refers to a motor with the diameter of less than 160mm or the rated power of less than 750mW, and is commonly used in a control system or a transmission mechanical load for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like; the micro-motor door is various in types and can be roughly divided into a direct current motor, an alternating current motor, a self-state angle motor, a stepping motor, a rotary transformer, a shaft angle encoder, an alternating current and direct current dual-purpose motor, a tachogenerator, an induction synchronizer, a linear motor, a piezoelectric motor, a motor unit and other special motors;
the torsion of current micromotor is little, and the result of use is not good to the unable quick timely dissipation of heat that produces among the operation process, life and security performance remain to be improved, and current micromotor can produce great noise when using moreover, can bring the discomfort for near personnel, remain to be improved.
The invention content is as follows:
an object of the present invention is to provide a high torque variable speed micro-motor which solves at least one of the problems of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme
The invention provides a high-torque variable-speed micromotor which comprises a micromotor shell, a connecting piece, an output shaft, a first transmission set, a second transmission set, a stator, a rotor, a rotating shaft, fan blades, a heat absorbing plate, a heat conducting column, a heat collecting plate and radiating fins, wherein the connecting piece is arranged on the micromotor shell;
the connecting piece is provided with a first fixing plate, a second fixing plate and a connecting plate, the first fixing plate is connected with the micromotor shell, and the connecting plate is positioned between the first fixing plate and the second fixing plate; the output shaft is transversely arranged and is rotationally connected with the second fixing plate, the second transmission set is rotationally arranged on the connecting plate and is connected with the output shaft, and the first transmission set is rotationally arranged on the first fixing plate and is in meshing transmission connection with the second transmission set;
the stator and the rotor are arranged in the micromotor shell, and the rotating shaft is transversely arranged and connected with the rotor; the rotating shaft is rotationally connected with the micromotor shell and is in transmission connection with the first transmission set; the fan blades are arranged on the rotating shaft and positioned in the micromotor shell, the micromotor shell is correspondingly provided with an air inlet and an air outlet, and the blowing direction of the fan blades faces the stator; the heat absorbing plate is arranged on the stator, the heat conducting plate is arranged on the heat absorbing plate and connected with the micromotor shell, and the heat absorbing plate is positioned on the front side and the rear side of the stator; the heat collecting plates are arranged on the front side and the rear side of the micromotor shell, the heat conducting columns are arranged on the micromotor shell and connected with the heat conducting plates and the heat collecting plates, and the heat collecting plates are provided with radiating fins;
the interior of the micromotor shell is provided with a sound absorption pad, and the top of the micromotor shell is provided with a noise reduction device; the noise reduction device comprises a fixed column, a grid plate, an elastic piece, a silencing ring and a silencing plug; a first noise reduction cavity, a second noise reduction cavity and a pipeline are arranged on the fixing column, the first noise reduction cavity is communicated with the interior of the micromotor shell, the second noise reduction cavity is communicated with the outside, and the pipeline is communicated with the first noise reduction cavity and the second noise reduction cavity; a plurality of groups of grid plates are horizontally arranged in the first noise reduction cavity, and the grid plates are movably connected with the fixed columns; two adjacent grid plates are connected through an elastic piece; the amortization ring sets up at the second and makes an uproar the intracavity, and the amortization stopper plugs the second and makes an uproar the chamber of making an uproar.
Preferably, the noise reduction devices are longitudinally provided with a plurality of groups, and each group of noise reduction devices are arranged at equal intervals in the transverse direction.
Preferably, the noise reducer further comprises a guide and a slider;
a guide groove is vertically formed in the fixing column, and the guide piece is vertically arranged in the guide groove; the sliding part is arranged on the grid disc and is positioned in the guide groove, and the sliding part is connected with the guide part in a sliding mode.
Preferably, the number of the second noise reduction cavities arranged on the fixed column is multiple.
Preferably, the number of the sound attenuation rings is multiple groups and the sound attenuation rings are arranged at equal intervals in the vertical direction.
Preferably, the aperture of the sound attenuation ring is increased from bottom to top.
Preferably, the connecting piece is cylindrical, and the first transmission set and the second transmission set are positioned in the connecting piece.
Preferably, the fins are thin sheets made of an aluminum alloy.
Preferably, the number of the radiating fins is multiple groups and the radiating fins are arranged at equal intervals in the vertical direction.
Preferably, the rotating shaft is provided with a gear, the first transmission group is correspondingly provided with a gear, and the two gears are in meshing transmission connection.
The invention has the advantages that: the rotating shaft is rotationally connected with the micromotor shell and is in transmission connection with the first transmission set; compared with the prior art, the method has the advantages that: the output side transmission gear structure has large torsion and excellent use effect.
Description of the drawings:
fig. 1 is a schematic structural diagram according to the present invention.
Fig. 2 is a first cross-sectional view (top view) of a micro-machine in accordance with the present invention.
Fig. 3 is a second cross-sectional view (front view) of the proposed micro-machine.
Fig. 4 is a partial structural schematic diagram of a high-torque variable-speed micro-motor according to the present invention.
The specific implementation mode is as follows:
example 1: as shown in fig. 1-4, the present invention provides a high-torque variable-speed micro-motor, which comprises a micro-motor housing 1, a connecting member 2, an output shaft 3, a first transmission set 7, a second transmission set 8, a stator 9, a rotor 10, a rotating shaft 11, fan blades 12, a heat absorbing plate 13, a heat conducting plate 14, a heat conducting column 15, a heat collecting plate 16 and heat dissipating fins 17;
a first fixing plate 4, a second fixing plate 5 and a connecting plate 6 are arranged on the connecting piece 2, the first fixing plate 4 is connected with the micromotor shell 1, and the connecting plate 6 is positioned between the first fixing plate 4 and the second fixing plate 5; the output shaft 3 is transversely arranged and is rotationally connected with the second fixing plate 5, the second transmission set 8 is rotationally arranged on the connecting plate 6 and is connected with the output shaft 3, and the first transmission set 7 is rotationally arranged on the first fixing plate 4 and is in meshing transmission connection with the second transmission set 8;
the stator 9 and the rotor 10 are arranged in the micromotor shell 1, and the rotating shaft 11 is transversely arranged and connected with the rotor 10; the rotating shaft 11 is rotationally connected with the micromotor shell 1, and the rotating shaft 11 is in transmission connection with the first transmission set 7; the fan blades 12 are arranged on the rotating shaft 11 and positioned in the micro-motor shell 1, the micro-motor shell 1 is correspondingly provided with an air inlet 18 and an air outlet 19, and the blowing direction of the fan blades 12 faces the stator 9; the heat absorbing plate 13 is arranged on the stator 9, the heat conducting plate 14 is arranged on the heat absorbing plate 13 and connected with the micromotor shell 1, and the heat absorbing plate 13 is positioned on the front side and the rear side of the stator 9; the heat collecting plates 16 are arranged at the front and rear sides of the micromotor shell 1, the heat conducting columns 15 are arranged on the micromotor shell 1 and connected with the heat conducting plates 14 and the heat collecting plates 16, and the heat collecting plates 16 are provided with radiating fins 17; the number of the radiating fins 17 is multiple and the radiating fins are arranged at equal intervals in the vertical direction;
the interior of the micromotor shell 1 is provided with a sound absorption pad 21, and the top of the micromotor shell is provided with a noise reduction device 20; a plurality of groups of noise reduction devices 20 are arranged in the longitudinal direction, and each group of noise reduction devices 20 are arranged in the transverse direction at equal intervals; the noise reduction device 20 comprises a fixing column 22, a grid plate 27, an elastic piece 28, a silencing ring 30 and a silencing plug 31; a first noise reduction cavity 23, a second noise reduction cavity 24 and a pipeline 29 are arranged on the fixing column 22, the first noise reduction cavity 23 is communicated with the interior of the micro motor shell 1, the second noise reduction cavity 24 is communicated with the outside, and the pipeline 29 is communicated with the first noise reduction cavity 23 and the second noise reduction cavity 24; a plurality of groups of grid plates 27 are horizontally arranged in the first noise reduction cavity 23, and the grid plates 27 are movably connected with the fixed columns 22; two adjacent grid plates 27 are connected through an elastic member 28; a sound damping ring 30 is disposed in the second noise reduction chamber 24 and a sound damping plug 31 plugs the second noise reduction chamber 24.
In an alternative embodiment, the noise reducer 20 further comprises a guide 25 and a slide 26; a guide groove is vertically formed in the fixing column 22, and a guide piece 25 is vertically arranged in the guide groove; a slider 26 is provided on the grid plate 27 and is located in the guide groove, and the slider 26 is slidably connected with the guide 25. In operation, when the grid plate 27 is moved under the influence of noise waves, the sliding member 26 slides along the guide member 25 to provide a guiding function, which is advantageous to the movement of the grid plate 27.
In an alternative embodiment, the number of the second noise reduction cavities 24 provided on the fixing post 22 is multiple, which facilitates dispersion of sound waves and improves noise reduction.
In an alternative embodiment, the number of sound attenuating rings 30 is multiple and are arranged equidistantly in the vertical direction; the aperture of the silencing ring 30 is continuously increased from bottom to top, which is helpful for the diffusion of noise sound waves, so that the energy carried by the silencing ring is continuously reduced, and the silencing and noise reduction effects are further improved.
In an alternative embodiment, the connecting piece 2 is cylindrical, and the first transmission set 7 and the second transmission set 8 are located in the connecting piece 2, so that the transmission sets are protected, and the service life and the safety performance are improved.
In an alternative embodiment, the heat sink 17 is a thin sheet made of aluminum alloy, which has good heat dissipation effect and better heat dissipation efficiency.
In an alternative embodiment, the rotating shaft 11 is provided with a gear, and the first transmission set 7 is correspondingly provided with a gear, and the two gears are in meshing transmission connection.
In the invention, the rotating shaft 11 rotates along with the rotor 10, and then the first transmission group 7 and the second transmission group 8 are matched to enable the output shaft 3 to rotate, and the effect of large torsion is realized by improving the structure of the transmission gear on the output side; when the rotating shaft 11 rotates, the fan blades 12 rotate along with the rotating shaft and drive the internal air to flow, the external air enters the micro-motor shell 1 through the air inlet 18, and the internal air carrying heat is exhausted through the exhaust port 19, so that the heat dissipation effect and the heat dissipation efficiency of the micro-motor are improved; the heat absorption plate 13 absorbs heat generated in the operation process of the stator 9 and the rotor 10, the heat is transmitted to the heat collection plate 16 through the heat conduction plate 14 and the heat conduction columns 15, and finally the heat is radiated through the radiating fins 17, so that the radiating effect and the radiating efficiency are further improved, and the service life and the safety performance of the micromotor are improved;
when the micro-motor operates, part of the noise generated inside is absorbed by the sound absorption pad 21, and the other part enters each noise reduction device 20; firstly, noise sound waves enter the first noise reduction cavity 23, the uniformly distributed through holes of the grid plate 27 are used for carrying out primary noise reduction on the noise, the movement of the grid plate 27 can obviously reduce the energy in the sound waves, and the elastic piece 28 plays a role in resetting the grid plate 27; noise that falls through preliminary falls disperses into each second through pipeline 29 and falls the chamber 24 of making an uproar in, and amortization ring 30 and amortization stopper 31 carry out thorough amortization to the noise, can show the noise that produces in the reduction micromotor use, and the result of use is splendid.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A high-torque variable-speed micromotor is characterized by comprising a micromotor shell (1), a connecting piece (2), an output shaft (3), a first transmission set (7), a second transmission set (8), a stator (9), a rotor (10), a rotating shaft (11), fan blades (12), a heat absorbing plate (13), a heat conducting plate (14), a heat conducting column (15), a heat collecting plate (16) and radiating fins (17);
a first fixing plate (4), a second fixing plate (5) and a connecting plate (6) are arranged on the connecting piece (2), the first fixing plate (4) is connected with the micromotor shell (1), and the connecting plate (6) is positioned between the first fixing plate (4) and the second fixing plate (5); the output shaft (3) is transversely arranged and is rotationally connected with the second fixing plate (5), the second transmission group (8) is rotationally arranged on the connecting plate (6) and is connected with the output shaft (3), and the first transmission group (7) is rotationally arranged on the first fixing plate (4) and is in meshing transmission connection with the second transmission group (8);
the stator (9) and the rotor (10) are arranged in the micromotor shell (1), and the rotating shaft (11) is transversely arranged and connected with the rotor (10); the rotating shaft (11) is rotationally connected with the micromotor shell (1), and the rotating shaft (11) is in transmission connection with the first transmission set (7); the fan blades (12) are arranged on the rotating shaft (11) and positioned in the micro-motor shell (1), the micro-motor shell (1) is correspondingly provided with an air inlet (18) and an air outlet (19), and the blowing direction of the fan blades (12) faces towards the stator (9); the heat absorbing plate (13) is arranged on the stator (9), the heat conducting plate (14) is arranged on the heat absorbing plate (13) and connected with the micromotor shell (1), and the heat absorbing plate (13) is positioned on the front side and the rear side of the stator (9); the heat collecting plates (16) are arranged on the front side and the rear side of the micromotor shell (1), the heat conducting columns (15) are arranged on the micromotor shell (1) and are connected with the heat conducting plates (14) and the heat collecting plates (16), and the heat collecting plates (16) are provided with radiating fins (17);
a sound absorption pad (21) is arranged inside the micromotor shell (1), and a noise reduction device (20) is arranged at the top of the micromotor shell; the noise reduction device (20) comprises a fixed column (22), a grid disc (27), an elastic piece (28), a silencing ring (30) and a silencing plug (31); a first noise reduction cavity (23), a second noise reduction cavity (24) and a pipeline (29) are arranged on the fixing column (22), the first noise reduction cavity (23) is communicated with the interior of the micromotor shell (1), the second noise reduction cavity (24) is communicated with the outside, and the pipeline (29) is communicated with the first noise reduction cavity (23) and the second noise reduction cavity (24); multiple groups of grid plates (27) are horizontally arranged in the first noise reduction cavity (23), and the grid plates (27) are movably connected with the fixed columns (22); two adjacent grid plates (27) are connected through an elastic piece (28); the silencing ring (30) is arranged in the second noise reduction cavity (24), and the silencing plug (31) plugs the second noise reduction cavity (24).
2. A high-torque variable-speed micromotor according to claim 1, characterized in that the noise reducing means (20) are provided in a plurality of groups in the longitudinal direction, and each group of noise reducing means (20) is provided at equal intervals in the transverse direction.
3. A high-torque variable-speed micro-machine according to claim 1, characterized in that the noise reducing device (20) further comprises a guide (25) and a slide (26);
a guide groove is vertically arranged on the fixed column (22), and a guide piece (25) is vertically arranged in the guide groove; the sliding part (26) is arranged on the grid disc (27) and is positioned in the guide groove, and the sliding part (26) is connected with the guide part (25) in a sliding way.
4. The high-torque variable-speed micromotor according to claim 1, wherein the number of the second noise reduction cavities (24) provided on the fixed column (22) is plural.
5. A high-torque variable-speed micromotor according to claim 1, characterized in that the number of the silencing rings (30) is several and arranged at equal intervals in the vertical direction.
6. A high-torque variable-speed micromotor according to claim 5, characterized in that the diameter of the hole of the silencing ring (30) increases from bottom to top.
7. A high-torque variable-speed micromotor according to claim 1, characterized in that the connecting element (2) is cylindrical and the first transmission group (7) and the second transmission group (8) are located inside the connecting element (2).
8. A high-torque variable-speed micromotor according to claim 1, characterized in that the heat sink (17) is a thin sheet made of aluminum alloy.
9. A high-torque variable-speed micromotor according to claim 1, characterized in that the number of the fins (17) is multiple and arranged at equal intervals in the vertical direction.
10. The high-torque variable-speed micromotor according to claim 1, wherein the rotating shaft (11) is provided with gears, the first transmission set (7) is correspondingly provided with gears, and the gears are in meshing transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452811.0A CN111682684B (en) | 2020-05-26 | 2020-05-26 | High-torque variable-speed micromotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452811.0A CN111682684B (en) | 2020-05-26 | 2020-05-26 | High-torque variable-speed micromotor |
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| Publication Number | Publication Date |
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| CN111682684A CN111682684A (en) | 2020-09-18 |
| CN111682684B true CN111682684B (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010452811.0A Active CN111682684B (en) | 2020-05-26 | 2020-05-26 | High-torque variable-speed micromotor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031652U (en) * | 1989-05-19 | 1991-01-09 | ||
| CN107765801A (en) * | 2017-11-30 | 2018-03-06 | 马文骏 | A kind of computer cabinet with noise reduction environment-friendly function |
| CN108566033A (en) * | 2018-06-01 | 2018-09-21 | 苏州云意驱动系统有限公司 | A kind of low noise New energy automobile motor |
| CN109149856A (en) * | 2018-10-29 | 2019-01-04 | 电子科技大学中山学院 | Noise-reduction micro-special motor |
| CN109494925A (en) * | 2018-11-21 | 2019-03-19 | 高邮佳春科技有限公司 | A kind of magneto of efficient damping |
| CN209088706U (en) * | 2018-11-23 | 2019-07-09 | 鼎思科技(天津)有限公司 | A kind of heat dissipation denoising device of mobile generator |
| CN209313628U (en) * | 2018-12-24 | 2019-08-27 | 惠州市信力电机有限公司 | A kind of electric tool motor |
-
2020
- 2020-05-26 CN CN202010452811.0A patent/CN111682684B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH031652U (en) * | 1989-05-19 | 1991-01-09 | ||
| CN107765801A (en) * | 2017-11-30 | 2018-03-06 | 马文骏 | A kind of computer cabinet with noise reduction environment-friendly function |
| CN108566033A (en) * | 2018-06-01 | 2018-09-21 | 苏州云意驱动系统有限公司 | A kind of low noise New energy automobile motor |
| CN109149856A (en) * | 2018-10-29 | 2019-01-04 | 电子科技大学中山学院 | Noise-reduction micro-special motor |
| CN109494925A (en) * | 2018-11-21 | 2019-03-19 | 高邮佳春科技有限公司 | A kind of magneto of efficient damping |
| CN209088706U (en) * | 2018-11-23 | 2019-07-09 | 鼎思科技(天津)有限公司 | A kind of heat dissipation denoising device of mobile generator |
| CN209313628U (en) * | 2018-12-24 | 2019-08-27 | 惠州市信力电机有限公司 | A kind of electric tool motor |
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Effective date of registration: 20220518 Address after: 515548 floors 4-5, building 7, general plant (at the junction of Xiaxin road and Baofeng Road), Jiedong Development Zone, Jieyang City, Guangdong Province Applicant after: Jieyang Wansheng Industrial Co.,Ltd. Address before: 522000 west of sipian niuqiaochi, Tangpu village, Fengmei office, Airport Economic Zone, Jieyang City, Guangdong Province Applicant before: Jieyang Hongjiayou Industrial Co.,Ltd. |
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