CN102624106A - Disk type motor stator and radiating method thereof - Google Patents
Disk type motor stator and radiating method thereof Download PDFInfo
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- CN102624106A CN102624106A CN2011100296666A CN201110029666A CN102624106A CN 102624106 A CN102624106 A CN 102624106A CN 2011100296666 A CN2011100296666 A CN 2011100296666A CN 201110029666 A CN201110029666 A CN 201110029666A CN 102624106 A CN102624106 A CN 102624106A
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Abstract
Disclosed are a disk type motor stator and a radiating method thereof, wherein the stator comprises a wire coil, a radiating ceramic chip, an insulator used for fixing the wire, and a heat-transfer component connected to the ceramic chip. The inner ring of the wire coil is embedded into the insulator, and the radiating ceramic chip is inserted between the radially distributed wires from the outer ring. The disk type motor stator of the invention adopts the radiating ceramic chip to replace an epoxy resin partially. The disk type motor stator of the invention is simple in process and convenient for mass production, and has a good thermal conductivity and insulativity.
Description
Technical field
The present invention relates to a kind of disc type electric machine, refer to a kind of disc type electric machine stator and heat dissipating method thereof especially.
Background technology
The disc-type permanent magnet motor of double rotor single stator is stator discs of two rotor disk therebetween, and its advantage is that stator does not have iron core, does not have ferromagnetic loss, and efficient is very high.But stator discs tightly is clipped in the middle of two rotor disks, and the gap is very little, and convective heat transfer is extremely inconvenient, particularly in the web-type flywheel battery, owing to taken out vacuum, does not have heat loss through convection fully, so must strengthen the solid heat transfer of stator discs.As shown in Figure 1, the centre of stator discs is the zone of electromagnetic action, and other any conductive materials can not be placed in this zone except copper conductor.So stator discs generally all be with epoxy resin 10 as matrix, copper conductor is all shut fixing, form a thin dish.Because the thermal conductivity of epoxy resin 10 is extremely low, has only 0.2W/ (m*K), so its heat-transfer capability is extremely low.
In order to improve the heat-sinking capability of disc type electric machine stator, the general way that adopts heat conductive insulating powder such as in epoxy resin adding aluminium nitride can improve the thermal conductivity of epoxy resin-base.But this way still has following weak point: 1, thermal conductivity can only be brought up to about 2 W/ (m*K) from 0.2W/ (m*K), still is not enough to distribute the heat on the stator of high-power disc type electric machine.2, technology more complicated.Because the viscosity of epoxy resin is very big, wettability is also bad, adds a large amount of heat conductive insulating powder more inside, is difficult to mix.So be necessary to continue to seek other heat radiation way.
Summary of the invention
The technical problem that the present invention will solve is to overcome the deficiency that above-mentioned prior art exists, and a kind of disc type electric machine stator and heat dissipating method thereof are provided, and it has good thermal conductivity and insulating properties.
For solving the problems of the technologies described above, the present invention provides a kind of disc type electric machine stator, comprises insulating body and is embedded the lead in insulating body, and lead turns to the coil with inner ring and outer ring, and as insulating body, lead is stuck between the potsherd with potsherd.
Further, potsherd inserts lead loop.
Further, lead loop is along the radial distribution of stator.
Further, the inner ring of lead with epoxy resin as insulating body.
Further, the potsherd outer end part of stretching out coil is connected with the annulus of end face fluting.
Further, cooling system is connected with metal ring.
A kind of disc type electric machine stator heat dissipating method may further comprise the steps:
Stator is provided with some potsherd and some coils in order to conduction in order to heat radiation;
Coil is stuck between the potsherd;
Stator is installed on the casing.
Further, the outside of potsherd is extended the annulus of slotting with an end face and is connected, and annulus is connected with outside cooling system to realize heat radiation.
Further, the internal edge of potsherd is connected with coil, the heat that produces during with the derivation coil working.
Further, coil is along the radial distribution of stator.
Useful technique effect of the present invention is: the present invention uses thermal conductive ceramic plate substituted epoxy resin, forms a ceramic stator dish, then copper conductor is stuck on the potsherd.Technology is simple, convenient to be produced in enormous quantities; Has good thermal conductivity; The intensity of stator discs is high; Has good insulation performance property.
Description of drawings
Fig. 1 looks cutaway view for the master of disc type motor stator in the prior art.
Fig. 2 is the vertical view cutaway drawing of the preferred embodiments of disc type electric machine stator of the present invention.
Fig. 3 is the vertical view of the potsherd of the preferred embodiments of disc type electric machine stator of the present invention.
Fig. 4 is the end view of the potsherd of the preferred embodiments of disc type electric machine stator of the present invention.
Fig. 5 is the side view cutaway drawing of the preferred embodiments of disc type electric machine stator of the present invention.
Embodiment
See also Fig. 2, a preferred embodiments of disc type electric machine stator of the present invention is installed in the casing of a motor.Stator comprises some potsherd 1 and some coils 3 in order to conduction in order to heat radiation.The inner ring of coil 3 and outer ring are blocked the inside and outside both sides of potsherd 1 respectively.Lead loop 3 is along the radial distribution of stator.The inner ring of lead with epoxy resin as insulating body.
The internal edge of potsherd 1 is connected with coil 3, to derive the heat that produces when coil 3 is worked.The part that coil 3 is stretched out in potsherd 1 outer end is connected with the annulus 2 of end face fluting.(forming an annulus around the outer ring), thus area of dissipation increased.One cooling system can be connected with metal ring 2.Cooling system can be the pipeline that liquid cools is used, and also can be the metalwork that heat conduction is used.
In another preferred embodiments of disc type electric machine stator of the present invention, the one side of potsherd 1 press-fits heat radiating metal annulus 2, and another side is connected to the casing of motor through flexible material, in order to reduce vibratory impulse.Flexible material is a rubber.
In another preferred embodiments of disc type electric machine stator of the present invention, heat radiating metal annulus 2 has hollow structure, and the inside is filled with coolant, to increase heat-sinking capability.
A kind of disc type electric machine stator heat dissipating method may further comprise the steps: stator is provided with some potsherd 1 and some coils 3 in order to conduction in order to heat radiation.Overall dimension according to the good thermal conductive ceramic plate 1 of stator discs size design; Copper conductor is turned to required coil shape on mould; Inner ring with epoxy resin cure coil 3; Potsherd 1 is inserted coil 3 by the outer ring, and the inner edge of potsherd 1 snaps into the epoxy resin ring, and the outside cooperates with metal ring 2, is assembled into stator discs.
The outside of potsherd 1 is waled to increase area of dissipation in coil 3 outer rings.At last, stator is installed on the casing of a motor.
The present invention uses thermal conductive ceramic plate substituted epoxy resin, forms a ceramic stator dish, then copper conductor is stuck on the potsherd.The preferred embodiments technology of disc type electric machine stator of the present invention is simple, convenient to be produced in enormous quantities.The technology that potsherd 1 is assembled into stator discs is very simple, and is much simpler than solidifying then with epoxy gluing, and potsherd can mass production, steady quality, high conformity.
The preferred embodiments of disc type electric machine stator of the present invention has good thermal conductivity.Thermal conductive ceramic is easy to reach the thermal conductivity of 20w/ (m*k), even 200w/ (m*k), and epoxy resin has only the thermal conductivity about 0.2 w/ (m*k), adds after the heat conduction powder, also has only the thermal conductivity about 2w/ (m*k).So the ceramic stator dish can come out the heat transferred in the stator discs very soon.
The intensity of stator discs is high in the preferred embodiments of disc type electric machine stator of the present invention.The intensity of pottery is far above epoxy resin.So the bulk strength of ceramic stator dish is also much higher than the bulk strength of epoxy resin stator discs.
The preferred embodiments of disc type electric machine stator of the present invention has good insulation performance property.Because the insulating properties of pottery is than the good insulating of epoxy resin, the present invention uses thermal conductive ceramic plate to form the ceramic stator dish, has good insulation performance property.
More than be merely preferable possible embodiments of the present invention, and unrestricted protection scope of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content have been done changes, and all is included in protection scope of the present invention.
Claims (10)
1. a disc type electric machine stator comprises insulating body and is embedded the lead in insulating body, and lead turns to the coil with inner ring and outer ring, it is characterized in that: as insulating body, lead is stuck between the potsherd with potsherd.
2. disc type electric machine stator as claimed in claim 1 is characterized in that, potsherd inserts lead loop.
3. disc type electric machine stator as claimed in claim 1 is characterized in that lead loop is along the radial distribution of stator.
4. disc type electric machine stator as claimed in claim 1 is characterized in that, the inner ring of lead with epoxy resin as insulating body.
5. disc type electric machine stator as claimed in claim 1 is characterized in that, the part that coil is stretched out in the potsherd outer end is connected with the annulus of end face fluting.
6. disc type electric machine stator as claimed in claim 5 is characterized in that cooling system is connected with metal ring.
7. disc type electric machine stator heat dissipating method may further comprise the steps:
Stator is provided with some potsherd and some coils in order to conduction in order to heat radiation;
Coil is stuck between the potsherd;
Stator is installed on the casing.
8. disc type electric machine stator heat dissipating method as claimed in claim 7 is characterized in that, the outside of potsherd is extended the annulus of slotting with an end face and is connected, and annulus is connected with outside cooling system to realize heat radiation.
9. disc type electric machine stator heat dissipating method as claimed in claim 8 is characterized in that the internal edge of potsherd is connected with coil, the heat that produces during with the derivation coil working.
10. disc type electric machine stator heat dissipating method as claimed in claim 7 is characterized in that coil is along the radial distribution of stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110029666.6A CN102624106B (en) | 2011-01-27 | 2011-01-27 | Disk type motor stator and radiating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110029666.6A CN102624106B (en) | 2011-01-27 | 2011-01-27 | Disk type motor stator and radiating method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102624106A true CN102624106A (en) | 2012-08-01 |
| CN102624106B CN102624106B (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110029666.6A Expired - Fee Related CN102624106B (en) | 2011-01-27 | 2011-01-27 | Disk type motor stator and radiating method thereof |
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| Country | Link |
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| CN (1) | CN102624106B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471177A (en) * | 2018-05-25 | 2018-08-31 | 明程电机技术（深圳）有限公司 | Disk type electric machine stator |
| CN112039230A (en) * | 2020-05-29 | 2020-12-04 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078075A (en) * | 1992-04-23 | 1993-11-03 | 王大留 | Multi-function, efficient energy-saving electric motor |
| JPH1116428A (en) * | 1997-06-25 | 1999-01-22 | Totoku Electric Co Ltd | Manufacture of high reduction rolled flat insulated wire |
| JP2004147470A (en) * | 2002-10-28 | 2004-05-20 | Hitachi Metals Ltd | Plate-like stator for disk-shaped brushless motor |
| CN101719733A (en) * | 2010-01-14 | 2010-06-02 | 马海英 | piezoelectric ceramic motor |
| CN101764447A (en) * | 2009-11-27 | 2010-06-30 | 深圳创维－Rgb电子有限公司 | Flat DC motor |
| CN201928095U (en) * | 2011-01-27 | 2011-08-10 | 深圳飞能能源有限公司 | Disk type electric machine stator |
-
2011
- 2011-01-27 CN CN201110029666.6A patent/CN102624106B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078075A (en) * | 1992-04-23 | 1993-11-03 | 王大留 | Multi-function, efficient energy-saving electric motor |
| JPH1116428A (en) * | 1997-06-25 | 1999-01-22 | Totoku Electric Co Ltd | Manufacture of high reduction rolled flat insulated wire |
| JP2004147470A (en) * | 2002-10-28 | 2004-05-20 | Hitachi Metals Ltd | Plate-like stator for disk-shaped brushless motor |
| CN101764447A (en) * | 2009-11-27 | 2010-06-30 | 深圳创维－Rgb电子有限公司 | Flat DC motor |
| CN101719733A (en) * | 2010-01-14 | 2010-06-02 | 马海英 | piezoelectric ceramic motor |
| CN201928095U (en) * | 2011-01-27 | 2011-08-10 | 深圳飞能能源有限公司 | Disk type electric machine stator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471177A (en) * | 2018-05-25 | 2018-08-31 | 明程电机技术（深圳）有限公司 | Disk type electric machine stator |
| CN108471177B (en) * | 2018-05-25 | 2024-07-16 | 明程电机技术（深圳）有限公司 | Disk type motor stator |
| CN112039230A (en) * | 2020-05-29 | 2020-12-04 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
| CN112039230B (en) * | 2020-05-29 | 2022-09-13 | 浙江盘毂动力科技有限公司 | Axial motor stator and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102624106B (en) | 2014-03-19 |
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