CN107482829A - A kind of radiator structure of brushless electric machine - Google Patents
A kind of radiator structure of brushless electric machine Download PDFInfo
- Publication number
- CN107482829A CN107482829A CN201710749019.XA CN201710749019A CN107482829A CN 107482829 A CN107482829 A CN 107482829A CN 201710749019 A CN201710749019 A CN 201710749019A CN 107482829 A CN107482829 A CN 107482829A
- Authority
- CN
- China
- Prior art keywords
- heat radiation
- liquid metal
- metal heat
- electric machine
- brushless electric
- 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
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention provides a kind of radiator structure of brushless electric machine, including：First liquid metal heat radiation unit and the second liquid metal heat radiation unit；The first liquid metal heat radiation unit is fixed on the centre bearing top of the brushless electric machine；The second liquid metal heat radiation unit is arranged in the medial surface of the stator of the brushless electric machine；The centre bearing top and the outer rotor casing of the brushless electric machine are fixed.The radiator structure of brushless electric machine provided by the invention, the first liquid metal heat radiation unit are fixed on the centre bearing top of brushless electric machine, as outer rotor casing rotates together；Second liquid metal heat radiation unit is arranged in heat caused by the medial surface conduction winding coil of stator.By the rotation of the first liquid metal heat radiation unit, accelerate to reduce the heat of the second liquid metal heat radiation unit.The radiator structure of brushless electric machine provided by the invention, brushless electric machine air-cooling efficiency is effectively improved, winding coil aging can be slowed down and extend the service life of motor.
Description
Technical field
The present invention relates to motor radiating technical field, more particularly, to a kind of radiator structure of brushless electric machine.
Background technology
In recent years, as the fast development of unmanned plane and the increasingly increase in demand of social environment, unmanned plane start civilian
Market is shown up prominently, and wherein agricultural plant protection and the two fields of electric power energy inspection is showing more urgent demand at present
Trend, and possess more considerable market scale prospect, and can meet greatly in view of the technology of unmanned plane at this stage, therefore it is expected that
The compatible degree of supply and demand is higher.In terms of other are with respect to the civil area of minority, unmanned plane relies on its advantage, it is contemplated that will also disappear
The anti-disaster relief, public security system, land mapping, meteorological environment monitoring, parcel are sent with charge free etc. and given full play to one's skill.
But as unmanned air vehicle technique is constantly reformed, the continuous expansion of application field, as the main of small and medium size unmanned aerial vehicles
The performance of the motor of power core, it is exactly to turn into an important factor for restricting Development of UAV.And unmanned plane application at this stage most has
Extensive brushless electric machine, either DC brushless motor, or AC brushless electric machine, the heat dissipation problem of itself are all motors
One of critical problem that can be lifted, governs the lifting of unmanned plane endurance all the time.Unmanned plane motor radiating problem is main
Show as the following aspects：
(1) caloric value is big when machine winding coil is run, and radiates merely, can not fast and effeciently radiate by air cooling, long
Time runs the aging that can accelerate winding insulation layer, causes the short circuit of winding coil, damages motor.
(2) temperature caused by motor is high, can influence the performance of motor material, cause the structural failures such as centre bearing, seriously
When motor can be caused to fry cylinder.
(3) motor Long Time Thermal aggregation can aggravate, and can influence the physical of retaining element of the unmanned plane rotor on motor
Can, cause to be damaged to, cause rotor coming off in operation, certain potential safety hazard be present.
(4) high-temperature field caused by the motor feels hot can influence the magnetic field of motor internal, aggravate the loss of electric energy, reduce nobody
The endurance of machine.
The current most common type of cooling is air-cooled, mainly does medium with air, engine band is directly contacted by air channel
Heat is walked, the area of dissipation for increasing object to be cooled is taken under normal circumstances and increases flow velocity of the cooling air by motor surface
To improve cooling effect.Its shortcoming is also apparent from some below predominantly：1) radiating effect is relatively poor；2) cooling system is brought
Noise it is larger；3) performance is easily influenceed by external dust.
The content of the invention
In order to overcome the above-mentioned problems in the prior art at least in part, the present invention provides a kind of dissipating for brushless electric machine
Heat structure.
The present invention provides a kind of radiator structure of brushless electric machine, including：First liquid metal heat radiation unit and the second liquid
Heat dissipation metal unit；Wherein, the first liquid metal heat radiation unit is fixed on the centre bearing top of the brushless electric machine；Institute
State the medial surface that the second liquid metal heat radiation unit is arranged in the stator of the brushless electric machine；The centre bearing top with it is described
The outer rotor casing of brushless electric machine is fixed.
Wherein, the first liquid metal heat radiation unit includes the first liquid metal heat radiation fin and hollow cylinder；Its
In,
The first liquid metal heat radiation fin is fixed on the lateral surface of the hollow cylinder；
The hollow cylinder is fixed on the centre bearing top.
Wherein, the first liquid metal heat radiation fin is connected with the hollow cylinder using neck or screw thread connects
Connect.
Wherein, the outer rotor casing of the hollow cylinder and the brushless electric machine is provided with through hole；Wherein,
The through hole is passed through using bolt, to connect the outer rotor casing of the hollow cylinder and the brushless electric machine.
Wherein, the second liquid metal heat radiation unit is specially the second liquid metal heat radiation fin；Wherein,
The second liquid metal heat radiation fin is connected or is threadedly coupled using neck with the stator.
Wherein, the second liquid metal heat radiation fin is disposed adjacent to base one end of the brushless electric machine.
Wherein, the first liquid metal heat radiation fin is Scroll-type or impeller type.
Wherein, the second liquid metal heat radiation fin is Scroll-type or impeller type.
Wherein, the internal diameter of the hollow cylinder is more than the diameter of the centre bearing.
Wherein, the material of the first liquid metal heat radiation unit and the second liquid metal heat radiation unit closes for tin zinc
One kind in gold, gallium-base alloy, indium-base alloy, bismuth-base alloy.
To sum up, the radiator structure of brushless electric machine provided by the invention, the first liquid metal heat radiation unit are fixed on brushless electricity
The centre bearing top of machine, as outer rotor casing rotates together；Second liquid metal heat radiation unit is arranged in brushless electric machine
Heat caused by the medial surface conduction winding coil of stator.By the rotation of the first liquid metal heat radiation unit, accelerate to reduce by the
The heat of two liquid metal heat radiation units.The radiator structure of brushless electric machine provided by the invention, effectively improve brushless electric machine sky
Cold efficiency, winding coil aging can be slowed down and extend the service life of motor.
Brief description of the drawings
Fig. 1 is the side sectional view according to a kind of radiator structure of brushless electric machine of the embodiment of the present invention；
Fig. 2 is the first liquid metal heat radiation unit in the radiator structure according to a kind of brushless electric machine of the embodiment of the present invention
Structural representation；
Fig. 3 be according to the first liquid metal heat radiation unit in the radiator structure of brushless electric machine of the embodiment of the present invention a kind of with
The structural representation of outer rotor casing connection.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, to the embodiment of the present invention
In technical scheme be explicitly described, it is clear that described embodiment is part of the embodiment of the present invention, rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of protection of the invention.
Fig. 1 be according to a kind of side sectional view of the radiator structure of brushless electric machine of the embodiment of the present invention, as shown in figure 1,
Including：First liquid metal heat radiation unit and the second liquid metal heat radiation unit；Wherein,
The first liquid metal heat radiation unit is fixed on the top of centre bearing 6 of the brushless electric machine；
The second liquid metal heat radiation unit is arranged in the medial surface of the stator 5 of the brushless electric machine；
The top of centre bearing 6 and the outer rotor casing 1 of the brushless electric machine are fixed.
Wherein, the first liquid metal heat radiation unit and the second liquid metal heat radiation unit have higher thermal conductivity, larger
Specific heat capacity and stronger physical hardness and toughness.
Preferably, the first liquid metal heat radiation unit can rotate together with the outer rotor casing 1 of brushless electric machine, can make
The air inside brushless electric machine is obtained to accelerate to flow to the top of brushless electric machine from the base 8 of brushless electric machine.
Preferably, the stator 5 of the second liquid metal heat radiation unit and brushless electric machine forms fixed structure, can quickly conduct
Heat caused by winding coil 2.
A kind of radiator structure of brushless electric machine is present embodiments provided, the first liquid metal heat radiation unit is fixed on brushless electricity
The centre bearing top of machine, as outer rotor casing rotates together；Second liquid metal heat radiation unit is arranged in brushless electric machine
Heat caused by the medial surface conduction winding coil of stator.By the rotation of the first liquid metal heat radiation unit, accelerate to reduce by the
The heat of two liquid metal heat radiation units.The radiator structure for the brushless electric machine that the present embodiment provides, effectively improves brushless electric machine
Air-cooling efficiency, winding coil aging can be slowed down and extend the service life of motor.
Fig. 2 is the first liquid metal heat radiation unit in the radiator structure according to a kind of brushless electric machine of the embodiment of the present invention
Structural representation, as shown in Fig. 2 the first liquid metal heat radiation unit includes the first liquid metal heat radiation fin 3 and hollow
Cylinder 4；Wherein,
The first liquid metal heat radiation fin 3 is fixed on the lateral surface of the hollow cylinder 4；
The hollow cylinder 4 is fixed on the top of centre bearing 6.
Wherein, the lateral surface of the hollow cylinder 4 is relative with the centre bearing 6.
Preferably, when the first liquid metal heat radiation fin 3 is fixed on the lateral surface of hollow cylinder 4, the first liquid gold
Category radiating fin 3 will not touch the medial surface of the stator 5 of brushless electric machine.
Preferably, the first liquid metal heat radiation unit includes multiple first liquid metal heat radiation fins 3, accelerates air stream
It is dynamic, accelerate radiating efficiency.
In yet another embodiment of the present invention, on the basis of above-described embodiment, the first liquid metal heat radiation wing
Piece 3 is connected or is threadedly coupled using neck with the hollow cylinder 4.
Preferably, the first liquid metal heat radiation fin 3 is connected with the hollow cylinder 4 using neck or screw thread connects
Connect, to cause the first liquid metal heat radiation fin 3 to be fixed on hollow cylinder 4.
In yet another embodiment of the present invention, on the basis of above-described embodiment, with reference to figure 3, the hollow cylinder 4
The outer rotor casing 1 of the brushless electric machine is provided with through hole；Wherein,
The through hole is passed through using bolt, to connect the outer rotor casing of the hollow cylinder 4 and the brushless electric machine
1。
Preferably, the first liquid metal heat radiation fin 3 is fixed on the lateral surface of hollow cylinder 4, in hollow cylinder 4
4 through holes 9 of upper setting, 4 through holes are set in outer rotor casing 1, pass through 4 bolt connection hollow cylinders 4 and brushless electric machine
Outer rotor casing 1.
In yet another embodiment of the present invention, on the basis of above-described embodiment, the second liquid metal heat radiation list
Member is specially the second liquid metal heat radiation fin 7；Wherein,
The second liquid metal heat radiation fin 7 is connected or is threadedly coupled using neck with the stator 5.
Specifically, the second liquid metal heat radiation fin 7, which is connected or is threadedly coupled using neck, is fixed on brushless electric machine
The medial surface of stator 5.
Wherein, the medial surface of stator 5 and centre bearing 6 are relative.
Preferably, the second liquid metal heat radiation unit includes multiple second liquid metal heat radiation fins 7, increases radiating surface
Product, also accelerates radiating efficiency.
In another embodiment of the invention, on the basis of above-described embodiment, the second liquid metal heat radiation fin 7
It is disposed adjacent to one end of base 8 of the brushless electric machine.
Wherein, the second liquid metal heat radiation fin 7 is disposed adjacent to one end of base 8 of brushless electric machine, will can be arranged in
Heat caused by the lower end of winding coil 2, which transfers out, in stator 5 comes.
In another embodiment of the invention, on the basis of above-described embodiment, the first liquid metal heat radiation fin 3
For Scroll-type or impeller type.
Preferably, the first liquid metal heat radiation fin 3 is that Scroll-type or impeller type accelerate air flow, accelerates radiating.
In another embodiment of the invention, on the basis of above-described embodiment, the second liquid metal heat radiation fin 7
For Scroll-type or impeller type.
Preferably, the second liquid metal heat radiation fin 7 is that Scroll-type or impeller type accelerate caused by conduction winding coil 2
Heat.
In another embodiment of the invention, on the basis of above-described embodiment, the internal diameter of the hollow cylinder 4 is more than
The diameter of the centre bearing 6.
Preferably, hollow cylinder 4 is enclosed on the top of centre bearing 6, and hollow cylinder 4 and the top of centre bearing 6
It is fixed together.Bearing 6 and outer rotor centered on the place that hollow cylinder 4 and centre bearing 6 top is fixed together
At the connector of casing 1.
In another embodiment of the invention, on the basis of above-described embodiment, the first liquid metal heat radiation unit
Material with the second liquid metal heat radiation unit is one in red brass, gallium-base alloy, indium-base alloy, bismuth-base alloy
Kind.
Preferably, the first liquid metal heat radiation unit of the present embodiment and the material of the second liquid metal heat radiation unit be by
Mass fraction is the red brass that 91%Sn and 9%Zn are combined.The fusing point of this alloy is 199 DEG C, leading at 85 DEG C
Heating rate is 61W/ (m DEG C), and its tensile strength reaches 54.8MPa, can be good at meeting that motor is raw in rotation process
The conduction of the heat of production, and its tensile strength disclosure satisfy that and be rotated in the first liquid metal heat radiation unit with motor outer rotor
The effect for the tensile force that air applies to it in journey.
Preferably, for the first liquid metal heat radiation unit of improvement and the second liquid metal heat radiation unit physical characteristic in table
Face carries out Electrochemical Modification (as carried out oxidation processes or electroplating other metals material).
Present embodiments provide a kind of radiator structure of brushless electric machine, the first liquid metal heat radiation unit and the second liquid gold
Belong to heat-sink unit, the radiating efficiency of unmanned plane motor can not only be improved, reduce the temperature of motor and its surrounding apparatus, slow down motor
The aging of winding insulation layer and the damage to motor and its periphery apparatus element, but also motor thermal field can be reduced to its inside
The influence in magnetic field, so as to reduce the loss of electric energy.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can not depart from this hair
Various modifications and variations are made in the case of bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (10)
- A kind of 1. radiator structure of brushless electric machine, it is characterised in that including：First liquid metal heat radiation unit and the second liquid gold Belong to heat-sink unit；Wherein,The first liquid metal heat radiation unit is fixed on the centre bearing top of the brushless electric machine；The second liquid metal heat radiation unit is arranged in the medial surface of the stator of the brushless electric machine；The centre bearing top and the outer rotor casing of the brushless electric machine are fixed.
- 2. radiator structure according to claim 1, it is characterised in that the first liquid metal heat radiation unit includes first Liquid metal heat radiation fin and hollow cylinder；Wherein,The first liquid metal heat radiation fin is fixed on the lateral surface of the hollow cylinder；The hollow cylinder is fixed on the centre bearing top.
- 3. radiator structure according to claim 2, it is characterised in that the first liquid metal heat radiation fin and the sky Heart cylinder is connected or is threadedly coupled using neck.
- 4. radiator structure according to claim 2, it is characterised in that the hollow cylinder and the brushless electric machine it is outer Rotor casing is provided with through hole；Wherein,The through hole is passed through using bolt, to connect the outer rotor casing of the hollow cylinder and the brushless electric machine.
- 5. radiator structure according to claim 1, it is characterised in that the second liquid metal heat radiation unit is specially Two liquid metal heat radiation fins；Wherein,The second liquid metal heat radiation fin is connected or is threadedly coupled using neck with the stator.
- 6. radiator structure according to claim 5, it is characterised in that the second liquid metal heat radiation fin, which is arranged in, to be leaned on Base one end of the nearly brushless electric machine.
- 7. radiator structure according to claim 2, it is characterised in that the first liquid metal heat radiation fin is Scroll-type Or impeller type.
- 8. radiator structure according to claim 5, it is characterised in that the second liquid metal heat radiation fin is Scroll-type Or impeller type.
- 9. radiator structure according to claim 2, it is characterised in that the internal diameter of the hollow cylinder is more than the center The diameter of bearing.
- 10. radiator structure according to claim 1, it is characterised in that the first liquid metal heat radiation unit and described The material of second liquid metal heat radiation unit is one kind in red brass, gallium-base alloy, indium-base alloy, bismuth-base alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749019.XA CN107482829A (en) | 2017-08-28 | 2017-08-28 | A kind of radiator structure of brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749019.XA CN107482829A (en) | 2017-08-28 | 2017-08-28 | A kind of radiator structure of brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107482829A true CN107482829A (en) | 2017-12-15 |
Family
ID=60602865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710749019.XA Pending CN107482829A (en) | 2017-08-28 | 2017-08-28 | A kind of radiator structure of brushless electric machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN107482829A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011474A (en) * | 2018-01-09 | 2018-05-08 | 金华易途科技有限公司 | Brushless electric machine radiating subassembly and brushless electric machine |
| CN115864772A (en) * | 2023-03-02 | 2023-03-28 | 广州市瑞宝电器有限公司 | High-efficiency direct-current brushless motor device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764498A (en) * | 2008-12-25 | 2010-06-30 | 中国科学院理化技术研究所 | Electromagnetic pump with built-in slide block and for driving liquid metals |
| CN101852245A (en) * | 2006-03-24 | 2010-10-06 | Ntn株式会社 | Hydrodynamic bearing device |
| CN102878214A (en) * | 2005-09-20 | 2013-01-16 | Ntn株式会社 | Bearing member, motor and method for manufacturing bearing member |
| CN203040093U (en) * | 2012-12-26 | 2013-07-03 | 北京依米康散热技术有限公司 | Radiating device applied to high-power heat source |
| CN203504378U (en) * | 2013-09-25 | 2014-03-26 | 西安泰富西玛电机有限公司 | Direct-current motor used for nuclear-grade valve electric actuator |
| CN104500576A (en) * | 2014-12-23 | 2015-04-08 | 宁波慈兴轴承有限公司 | Rolling bearing retainer with radiating fins |
| CN204477077U (en) * | 2014-12-23 | 2015-07-15 | 宁波慈兴轴承有限公司 | With the rolling bearing retainer of radiating fin |
| CN106487144A (en) * | 2015-08-31 | 2017-03-08 | 株式会社日立制作所 | Electric rotating machine, the elevator hoist using this electric rotating machine and elevator |
-
2017
- 2017-08-28 CN CN201710749019.XA patent/CN107482829A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878214A (en) * | 2005-09-20 | 2013-01-16 | Ntn株式会社 | Bearing member, motor and method for manufacturing bearing member |
| CN101852245A (en) * | 2006-03-24 | 2010-10-06 | Ntn株式会社 | Hydrodynamic bearing device |
| CN101764498A (en) * | 2008-12-25 | 2010-06-30 | 中国科学院理化技术研究所 | Electromagnetic pump with built-in slide block and for driving liquid metals |
| CN203040093U (en) * | 2012-12-26 | 2013-07-03 | 北京依米康散热技术有限公司 | Radiating device applied to high-power heat source |
| CN203504378U (en) * | 2013-09-25 | 2014-03-26 | 西安泰富西玛电机有限公司 | Direct-current motor used for nuclear-grade valve electric actuator |
| CN104500576A (en) * | 2014-12-23 | 2015-04-08 | 宁波慈兴轴承有限公司 | Rolling bearing retainer with radiating fins |
| CN204477077U (en) * | 2014-12-23 | 2015-07-15 | 宁波慈兴轴承有限公司 | With the rolling bearing retainer of radiating fin |
| CN106487144A (en) * | 2015-08-31 | 2017-03-08 | 株式会社日立制作所 | Electric rotating machine, the elevator hoist using this electric rotating machine and elevator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108011474A (en) * | 2018-01-09 | 2018-05-08 | 金华易途科技有限公司 | Brushless electric machine radiating subassembly and brushless electric machine |
| CN115864772A (en) * | 2023-03-02 | 2023-03-28 | 广州市瑞宝电器有限公司 | High-efficiency direct-current brushless motor device |
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Application publication date: 20171215 |