CN216530863U - Mounting system of brushless motor and electronic governor - Google Patents
Mounting system of brushless motor and electronic governor Download PDFInfo
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- CN216530863U CN216530863U CN202123264039.9U CN202123264039U CN216530863U CN 216530863 U CN216530863 U CN 216530863U CN 202123264039 U CN202123264039 U CN 202123264039U CN 216530863 U CN216530863 U CN 216530863U
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- stator
- speed regulator
- brushless motor
- electronic speed
- lower cover
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a mounting system of a brushless motor and an electronic speed regulator, which is characterized in that a rotor front cover, a radiating fin, a stator coil, the electronic speed regulator and a stator lower cover are sequentially mounted along the axial direction around a rotor central shaft, a centrifugal fan is arranged on the rotor front cover, the radiating fin is connected with the stator lower cover, the radiating fin is contacted with the stator coil, the electronic speed regulator is mounted between the stator coil and the stator lower cover, the electronic speed regulator is contacted with the stator lower cover, and the stator coil and the stator lower cover are mounted in an interference fit manner. The mounting system of the brushless motor and the electronic speed regulator effectively reduces the weight and the space on the premise of ensuring good heat dissipation of the brushless motor and the electronic speed regulator, reduces the line loss between the brushless motor and the electronic speed regulator, the centrifugal fan is arranged on the front cover of the rotor, the heat dissipation effect of the heat dissipation fins can be enhanced, the stator coil is a heat source of the brushless motor, and the heat dissipation fins play a role in enhancing the heat exchange between the heat source and the air.
Description
Technical Field
The utility model relates to the technical field of installation of brushless motors and electronic speed regulators thereof on unmanned aerial vehicles, in particular to an installation system of a brushless motor and an electronic speed regulator.
Background
The brushless motor applied to the unmanned aerial vehicle and the electronic speed regulator (brushless motor controller) thereof mainly have two installation modes: 1. brushless motor and electronic governor are two independent individualities, electronic governor leans on the shell encapsulation alone, and adopt the three-phase line to be connected between the brushless motor, the problem that this mounting method exists is, need longer three-phase line to connect, electronic governor need encapsulate with independent shell, three-phase line and electronic governor shell all have a basis weight, can increase unmanned aerial vehicle's flight weight, the three-phase line of connecting brushless motor and electronic governor simultaneously has certain line loss, in brushless motor during operation, can increase the loss of electric quantity. 2. Brushless motor and electronic governor are the mode of integration, and brushless motor installation is on the mount pad, and electronic governor installs in the mount pad, and its problem that exists is, adopts the three-phase line connection of certain length, can increase weight and electric quantity loss, and the mount pad can increase space and increase weight in order to install electronic governor inside it.
At present, the brushless motor heat-dissipating ability who uses at unmanned aerial vehicle is on the low side, the heat dissipation mode mainly adopts brushless motor rotor top to be provided with centrifugal fan, there is the intake duct brushless motor bottom, at the inside runner that forms of motor, the air current can flow through from the blade of silicon steel of motor and coil (heat source), thereby reach the heat exchange of brushless motor heat source and air, but because brushless motor's blade of silicon steel is comparatively narrow with the runner of coil, and irregular, lead to the air when this runner of process, the velocity of flow is on the low side with the flow, thereby the velocity of brushless motor heat source and air heat exchange has been reduced, finally, lead to the heat-dissipating ability on the low side.
Disclosure of Invention
The utility model aims at: the defects in the prior art are overcome, the problems in the prior art are solved, and the mounting system of the brushless motor and the electronic speed regulator is provided, so that the weight is effectively reduced, the space is saved, and the line loss between the brushless motor and the electronic speed regulator is reduced on the premise of ensuring good heat dissipation of the electronic speed regulator.
The technical scheme of the utility model is as follows:
a brushless motor and electronic governor's mounting system which characterized in that: which comprises a rotor middle shaft, a rotor front cover, a radiating fin, a stator coil, an electronic speed regulator and a stator lower cover, wherein the rotor front cover, the radiating fin, the stator coil, the electronic speed regulator and the stator lower cover are sequentially arranged around the rotor middle shaft along the axial direction,
the centrifugal fan is arranged on the front cover of the rotor, the radiating fins are connected with the lower cover of the stator, the radiating fins are in contact with the stator coils, the electronic speed regulator is in contact with the lower cover of the stator, and the stator coils are installed in interference fit with the lower cover of the stator.
As a further improvement of the scheme, the stator lower cover is provided with four threaded holes, through holes corresponding to the four threaded holes on the stator lower cover are formed in the radiating fin, and the radiating fin and the stator lower cover are connected together by four screws penetrating through the through holes on the radiating fin.
As a further improvement of the scheme, a heat dissipation interface material is filled between the heat dissipation plate and the stator coil.
As a further improvement of the scheme, the heat dissipation interface material is heat conduction gel.
As a further improvement of the scheme, the mounting system of the brushless motor and the electronic speed regulator is further provided with a rotor steel ring, the rotor steel ring is pressed into a rotor front cover in an interference fit mode, and a magnet is pasted on the rotor steel ring.
As a further improvement of the scheme, a centrifugal fan air inlet channel is arranged in the middle of the rotor front cover, and centrifugal fan air outlet channels are arranged on the periphery of the rotor front cover.
As a further improvement of the scheme, the electronic speed regulator is an independent PCB, six phase lines are led out of the stator coil, the length of the lead is 3mm, the lead is welded on the tin through hole of the electronic speed regulator, the surface of the electronic speed regulator containing the MOS is contacted with the lower cover of the stator, and heat-conducting gel made of heat-radiating interface materials is filled between the surface of the electronic speed regulator containing the MOS and the lower cover of the stator.
As a further improvement of the scheme, the lower cover of the stator is provided with radiating fins.
As a further improvement of the scheme, the wiring mode of the internal circuit of the PCB of the electronic speed regulator is a triangular connection method or a star connection method, and six phase lines led out by the electronic speed regulator are connected in parallel in pairs.
The utility model has the advantages that:
1. the mounting system of the brushless motor and the electronic speed regulator disclosed by the utility model effectively reduces the weight and saves the space on the premise of ensuring good heat dissipation of the electronic speed regulator, and simultaneously reduces the line loss between the brushless motor and the electronic speed regulator.
2. The centrifugal fan is arranged on the front cover of the rotor, heat dissipation is facilitated, the cooling fins are in contact with the stator coils, the stator coils are brushless motor heat sources, and the cooling fins have the effect of enhancing heat exchange between the heat sources and air.
Drawings
The utility model is further described with reference to the following figures and examples:
fig. 1 is a schematic view of a mounting system of a brushless motor and an electronic governor according to the present invention.
Fig. 2 is an exploded pictorial view of the brushless motor and electronic governor mounting system of the present invention.
Fig. 3 is a perspective view of the mounting system of the brushless motor and the electronic governor of the present invention.
Wherein: 1. rotor axis 2, rotor protecgulum 3, fin 4, rotor steel ring 5, stator coil 6, cross tin through-hole 7, electronic governor 8, stator lower cover 9, radiating fin.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-3, the utility model discloses a mounting system of a brushless motor and an electronic speed regulator 7, which comprises a rotor center shaft 1, a rotor front cover 2, a heat radiating fin 3, a stator coil 5, the electronic speed regulator 7 and a stator lower cover 8, wherein the rotor front cover 2, the heat radiating fin 3, the stator coil 5, the electronic speed regulator 7 and the stator lower cover 8 are sequentially mounted around the rotor center shaft 1 along the axial direction, a centrifugal fan is arranged on the rotor front cover 2, the heat radiating fin 3 is connected with the stator lower cover 8, the heat radiating fin 3 is contacted with the stator coil 5, the electronic speed regulator is mounted between the stator coil and the stator lower cover, the electronic speed regulator 7 is contacted with the stator lower cover 8, and the stator coil 5 and the stator lower cover 8 are mounted in an interference fit manner. The mounting system of the brushless motor and the electronic speed regulator 7 and the heat dissipation method thereof can effectively reduce the weight and save the space on the premise of ensuring the good heat dissipation of the brushless motor and the electronic speed regulator 7, and simultaneously reduce the line loss between the brushless motor and the electronic speed regulator 7. The centrifugal fan is arranged on the rotor front cover 2, the heat dissipation effect of the heat dissipation fins can be enhanced, the heat dissipation fins 3 are in contact with the stator coils 5, the stator coils 5 are heat sources of the brushless motor, and the heat dissipation fins 3 play a role in enhancing heat exchange between the heat sources and air.
As a further improvement of the scheme, the stator lower cover 8 is provided with four threaded holes, the radiating fins 3 are provided with through holes corresponding to the four threaded holes of the stator lower cover 8, and the four screws penetrate through the through holes of the radiating fins 3 to connect the radiating fins 3 and the stator lower cover 8 together. Simple structure like this, it is stable to connect, is favorable to the heat dissipation.
As a further improvement of this solution, a heat dissipation interface material is filled between the heat dissipation fins 3 and the stator coil 5. As a further improvement of the scheme, the heat dissipation interface material is heat conduction gel. Filling heat-conducting gel of heat-dissipation interface material between the heat fins and the stator coil 5 can increase the heat-conducting area, thereby further enhancing the heat dissipation.
As a further improvement of the scheme, the mounting system of the brushless motor and the electronic speed regulator 7 is further provided with a rotor steel ring 4, the rotor steel ring 4 is pressed into a rotor front cover in an interference fit manner, and a magnet is pasted on the rotor steel ring.
As a further improvement of the scheme, a centrifugal fan air inlet channel is arranged in the middle of the rotor front cover 2, and centrifugal fan air outlet channels are arranged around the rotor front cover 2. With the structure, the airflow of the centrifugal fan can pass through the radiating fins 3, so that strong convection heat dissipation is achieved, and the heat dissipation is enhanced.
As a further improvement of the scheme, the electronic speed regulator 7 is an independent PCB, six phase lines are led out from the stator coil 5, the length of a lead is 3mm, the lead is welded on the tin through hole 6 of the electronic speed regulator 7, the surface of the electronic speed regulator 7 containing the MOS is contacted with the lower stator cover 8, and heat dissipation interface material heat conduction gel is filled between the surface of the electronic speed regulator 7 containing the MOS and the lower stator cover 8. Heat conducting gel of heat dissipation interface materials is filled between the surface of the electronic speed regulator 7 containing the MOS and the stator lower cover 8, and heat dissipation fins 9 arranged on the stator lower cover 8 can enhance the heat exchange between the electronic speed regulator 7 and air.
As a further improvement of the scheme, the wiring mode of the internal circuit of the PCB of the electronic speed regulator 7 is a triangular connection method or a star connection method, and six phase lines led out by the electronic speed regulator 7 are connected in parallel in pairs. This reduces weight and power consumption and facilitates enhanced heat exchange.
As a further improvement of the scheme, the lower cover of the stator is provided with radiating fins 9. This can enhance the heat exchange of the electronic governor with air.
A heat radiation method of the installation system of brushless motor and electronic governor 7, it installs the air-cooling fin 3 on the top of the motor coil, strengthen the heat exchange between air and the motor coil through the air-cooling fin 3, there are centrifugal fan and its air inlet and air outlet on the brushless motor rotor, thus strengthen the heat exchange of air and air of the air-cooling fin 3; the electronic speed regulator 7 is annular and is directly installed in the brushless motor, six phase lines are led out from a coil of the brushless motor and are welded on the electronic speed regulator 7, every two of the six phase lines are connected in parallel by a PCB internal circuit of the electronic speed regulator 7 according to a wiring mode of delta connection or star connection, and the surface of the electronic speed regulator 7 containing an MOS is connected with the shell of the brushless motor, so that heat exchange is enhanced.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention. The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.
Claims (9)
1. A brushless motor and electronic governor's mounting system which characterized in that: which comprises a rotor middle shaft, a rotor front cover, a radiating fin, a stator coil, an electronic speed regulator and a stator lower cover, wherein the rotor front cover, the radiating fin, the stator coil, the electronic speed regulator and the stator lower cover are sequentially arranged around the rotor middle shaft along the axial direction,
the centrifugal fan is arranged on the front cover of the rotor, the radiating fins are connected with the lower cover of the stator, the radiating fins are in contact with the stator coils, the electronic speed regulator is in contact with the lower cover of the stator, and the stator coils are installed in interference fit with the lower cover of the stator.
2. The brushless motor and electronic governor mounting system of claim 1, wherein: the stator lower cover is provided with four threaded holes, through holes corresponding to the four threaded holes on the stator lower cover are formed in the radiating fin, and the radiating fin and the stator lower cover are connected together through the four screws penetrating through the through holes in the radiating fin.
3. The brushless motor and electronic governor mounting system of claim 1, wherein: and a heat dissipation interface material is filled between the heat dissipation plate and the stator coil.
4. The brushless motor and electronic governor mounting system of claim 3, wherein: the heat dissipation interface material is heat conduction gel.
5. The brushless motor and electronic governor mounting system of claim 1, wherein: the mounting system of the brushless motor and the electronic speed regulator is further provided with a rotor steel ring, the rotor steel ring is pressed into a rotor front cover in an interference fit mode, and a magnet is pasted on the rotor steel ring.
6. The brushless motor and electronic governor mounting system of claim 1, wherein: the middle of the rotor front cover is provided with a centrifugal fan air inlet channel, and the periphery of the rotor front cover is provided with a centrifugal fan air outlet channel.
7. The brushless motor and electronic governor mounting system of claim 3, wherein: the electronic speed regulator is an independent PCB, six phase lines are led out of the stator coil, the lead wire is welded on the tin through hole of the electronic speed regulator, the surface of the electronic speed regulator containing the MOS is contacted with the lower cover of the stator, and heat-conducting gel of a heat-radiating interface material is filled between the surface of the electronic speed regulator containing the MOS and the lower cover of the stator.
8. The brushless motor and electronic governor mounting system of claim 7, wherein: the wiring mode of the inner circuit of the PCB of the electronic speed regulator is a triangular connection method or a star connection method, and six phase lines led out by the electronic speed regulator are connected in parallel in pairs.
9. The brushless motor and electronic governor mounting system of claim 1, wherein: and the lower stator cover is provided with radiating fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264039.9U CN216530863U (en) | 2021-12-23 | 2021-12-23 | Mounting system of brushless motor and electronic governor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264039.9U CN216530863U (en) | 2021-12-23 | 2021-12-23 | Mounting system of brushless motor and electronic governor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530863U true CN216530863U (en) | 2022-05-13 |
Family
ID=81503040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123264039.9U Active CN216530863U (en) | 2021-12-23 | 2021-12-23 | Mounting system of brushless motor and electronic governor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530863U (en) |
-
2021
- 2021-12-23 CN CN202123264039.9U patent/CN216530863U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Manufacturing Center, Building D, No. 888, Tianxiang North Avenue, Nanchang High-tech Industrial Development Zone, Nanchang City, Jiangxi Province 330000 Patentee after: Nanchang Sanrui Intelligent Technology Co.,Ltd. Address before: 330000 Room 101, 33, Nanchang Jiahai Industrial Park, 2799 Tianxiang Avenue, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Patentee before: Nanchang SanRui Intelligent Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |