CN209488286U - A kind of novel axial flux electric machine stator heat radiation structure - Google Patents
A kind of novel axial flux electric machine stator heat radiation structure Download PDFInfo
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- CN209488286U CN209488286U CN201920297869.5U CN201920297869U CN209488286U CN 209488286 U CN209488286 U CN 209488286U CN 201920297869 U CN201920297869 U CN 201920297869U CN 209488286 U CN209488286 U CN 209488286U
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- end cap
- heat dissipation
- stator core
- electric machine
- dissipation end
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Abstract
The utility model provides a kind of novel axial flux electric machine stator heat radiation structure, including stator core；The upper surface of the stator core is equipped with heat dissipation end cap, is successively arranged outlet pipe and water inlet pipe in the side of heat dissipation end cap；The stator core is equipped with threaded hole, and radiating end is covered equipped with screw thread via hole, and the end cap that radiates is fixedly connected by fastening bolt with stator core；The contact surface of the heat dissipation end cap and stator core is equipped with water channel.The utility model coolant liquid is directly contacted with stator core, heat dissipation end cap and stator core no longer need to smear heat-conducting cream, cover one quincunx water channel of setting and a water annulus in radiating end, increase heat dissipation area, cooling effect is further improved, and is installed also more convenient；For this channel structure using on the one hand can effectively cool down stator core, still further aspect can reduce cooling water channel volume, and then reduce motor total volume simultaneously.
Description
Technical field
The utility model relates to a kind of novel axial flux electric machine stator heat radiation structures, belong to the disc type electric machine of axial magnetic flux
Technical field.
Background technique
The disc type electric machine of axial magnetic flux is with axial dimension is short, compact-sized, rotary inertia is low, torque density is big and efficiency
The advantages that high, and can follow radial flux motors control mode has stronger practicability, makes it more suitable for being driven by electricity
Electric car is especially more suitable for the wheel motor structure of distributed driving.
More and more scientific research institutions and a large amount of manpower and material resources exploitation disc type electric machines of enterprise's investment at present, but disc type electric machine
Cooling and thermal design is one of to be most difficult to solve the problems, such as, there is the problems such as fan heat structure complexity, space is big, heat dissipation effect is poor.It is logical
Normal solution is: one is air-cooled structures, take away heat by the air that outside motor flows, this cooling effect has
Limit, it is difficult to meet heavy-duty motor requirement；Another is that end cap is installed outside stator core, upper on the outside of end cap to design water
Slot is radiated by the flowing of coolant liquid, this kind of structure needs simultaneously due to being spaced an end cap between coolant liquid and stator core
Smear heat-conducting cream between stator core and end cap, complex process, the heat that iron core generates is needed could be with by passing through end cap
Coolant liquid contact, heat-sinking capability is weak, limits the power ascension of motor, while also influencing electric efficiency.
Therefore, for above-mentioned heat dissipation problem, the heat dissipation problem of current disc type electric machine both domestic and external not yet searches out one can
It leans on and efficient solution.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of novel axial flux electric machine stator heat radiation structure,
The novel axial flux electric machine stator heat radiation structure overcomes the defect of the prior art, further develops the disc type electricity of high efficient and reliable
Machine.
The utility model is achieved by the following technical programs.
A kind of novel axial flux electric machine stator heat radiation structure provided by the utility model, including stator core；It is described fixed
The upper surface of sub- iron core is equipped with heat dissipation end cap, is successively arranged outlet pipe and water inlet pipe in the side of heat dissipation end cap；The stator iron
Core is equipped with threaded hole, and radiating end is covered equipped with screw thread via hole, and the end cap that radiates is fixedly connected by fastening bolt with stator core；
The contact surface of the heat dissipation end cap and stator core is equipped with water channel.
The water channel is covered positioned at radiating end, and the inner ring for the end cap that radiates is equipped with blossom type water channel, and outer ring is equipped with water annulus,
The blossom type water channel and outer ring water annulus connection of inner ring.
The outlet pipe and water inlet pipe are threadably secured with heat dissipation end cap to be connect.
Sealant is coated in the fastening bolt.
The radiating end, which covers, is additionally provided with rectangular channel, and sealing ring I and sealing ring II, stator core are equipped in rectangular channel
It is sealed by sealing ring I and sealing ring II with heat dissipation end cap.
The center of the stator core and heat dissipation end cap is positioned using seam allowance, and stator core is inner stopper structure, radiating end
Lid is male half coupling structure.
The sealing ring II is mounted in the outer circle rectangular channel of male half coupling.
The size of the groove depth and groove width of the water channel, the heat generated under different capacity according to motor determines.
The utility model has the beneficial effects that: coolant liquid is directly contacted with stator core, radiate end cap and stator core
It no longer needs to smear heat-conducting cream, covers one quincunx water channel of setting and a water annulus in radiating end, increase heat dissipation area,
Cooling effect is further improved, and is installed also more convenient；This channel structure can be cooled down effectively using one side simultaneously
Stator core, still further aspect can reduce cooling water channel volume, and then reduce motor total volume.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the utility model channel structure schematic diagram；
In figure: 1- outlet pipe, 2- water inlet pipe, 3- stator core, 4- fastening bolt, 5- heat dissipation end cap, 6- sealing ring I, 7-
Sealing ring II.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As depicted in figs. 1 and 2, a kind of novel axial flux electric machine stator heat radiation structure, including stator core 3；It is described fixed
The upper surface of sub- iron core 3 is equipped with heat dissipation end cap 5, is successively arranged outlet pipe 1 and water inlet pipe 2 in the side of heat dissipation end cap 5；It is described fixed
Sub- iron core 3 is equipped with threaded hole, and heat dissipation end cap 5 is equipped with screw thread via hole, and heat dissipation end cap 5 passes through fastening bolt 4 and stator core 3
It is fixedly connected；The contact surface of the heat dissipation end cap 5 and stator core 3 is equipped with water channel, can allow heat caused by stator core 3
Amount is greatly taken away by the coolant liquid in heat dissipation end cap 5, and another part makes to pass by heat dissipation 5 self-radiating of end cap
The heat for being handed to heat dissipation end cap 5 is distributed by motor body, further improves the heat dissipation effect of motor.
The water channel is located on heat dissipation end cap 5, and the inner ring of heat dissipation end cap 5 is equipped with blossom type water channel, and outer ring is equipped with annular water
Road, the blossom type water channel and outer ring water annulus connection of inner ring, as shown in figure 3, coolant liquid is allowed directly to connect with stator core surface
Touching.
Specifically, coolant liquid is entered by the blossom type water channel of inner ring on heat dissipation end cap 5, then circulate, by outer
The outflow of portion's water annulus, i.e. coolant liquid enter from water inlet pipe 2, flow into water annulus by the quincunx water channel of inside, then lead to
Cross the outflow of outlet pipe 1.
Further, stator core 3 is directly contacted with coolant liquid, and heat dissipation effect is more preferable, and heat transfer efficiency is high.
Further, it is evacuation fastening bolt 4 that quincunx water channel, which is arranged, on the one hand, and still further aspect makes stator core 3
Uniformly, heat dissipation area is bigger, cooling uniform, and effect is more preferable for heat dissipation.
The outlet pipe 1 and water inlet pipe 2 are threadably secured with heat dissipation end cap 5 to be connect.
It is coated with sealant in the fastening bolt, improves outlet pipe 1, water inlet pipe 2, the leakproofness between heat dissipation end cap 5, i.e.,
Improve motor seal performance.
It is additionally provided with rectangular channel on the heat dissipation end cap 5, sealing ring I 6 and sealing ring II 7, stator are installed in rectangular channel
Iron core 3 is sealed by sealing ring I 6 and sealing ring II 7 with heat dissipation end cap 5, prevents coolant liquid from revealing.
The center of the stator core 3 and heat dissipation end cap 5 is positioned using seam allowance, and stator core 3 is inner stopper structure, heat dissipation
End cap 5 is male half coupling structure, prevents the two from deviating.
The sealing ring II 7 is mounted in the outer circle rectangular channel of male half coupling, further increases cooling water channel and stator core 3
Contact area, wherein sealing ring 7 is not take up stator core endface position, correspondingly, sealing ring 6 can also be set according to structure
Meter is in the outside of stator core 3.
The size of the groove depth and groove width of the water channel, the heat generated under different capacity according to motor determines.
Cooling water channel is directly arranged between heat dissipation end cap 5 and stator core 3 by the utility model, and coolant liquid is directly and fixed
Sub- iron core 3 contacts, and coolant liquid circulates the heat that can quickly take away the generation of stator core 3, no longer passes fully through radiating end
Lid 5 transmits, and heat dissipation effect is more preferable, and heat transfer efficiency is higher.And since coolant liquid is directly contacted with stator core 3, no longer
As water channel is arranged in the structure in heat dissipation end cap 5 outside, needs to smear heat-conducting cream between stator core 3 and heat dissipation end cap 5, reach
Technique is simpler, the lower feature of cost.
In conclusion the coolant liquid in the utility model is directly contacted with stator core surface, stator can be quickly taken away
The heat generated in the iron core course of work, while the combination of quincunx water channel and water annulus makes heat dissipation area bigger, heat dissipation
Effect is more preferable, and then can guarantee that motor performance is stablized；Additionally mounted convenience, structure is reliable, can also pass through the end cap itself that radiates
Heat dissipation allows the heat for being transferred to heat dissipation end cap to distribute by motor body, further improves the heat dissipation effect of motor.
Claims (8)
1. a kind of novel axial flux electric machine stator heat radiation structure, including stator core (3), it is characterised in that: the stator iron
The upper surface of core (3) is equipped with heat dissipation end cap (5), is successively arranged outlet pipe (1) and water inlet pipe (2) in the side of heat dissipation end cap (5)；
The stator core (3) is equipped with threaded hole, and heat dissipation end cap (5) is equipped with screw thread via hole, and heat dissipation end cap (5) passes through fastening bolt
(4) it is fixedly connected with stator core (3)；The contact surface of heat dissipation end cap (5) and stator core (3) is equipped with water channel.
2. novel axial flux electric machine stator heat radiation structure as described in claim 1, it is characterised in that: the water channel, which is located at, to be dissipated
On hot end lid (5), the inner ring of heat dissipation end cap (5) is equipped with blossom type water channel, and outer ring is equipped with water annulus, the blossom type water channel of inner ring
With outer ring water annulus connection.
3. novel axial flux electric machine stator heat radiation structure as described in claim 1, it is characterised in that: the outlet pipe (1)
It is threadably secured and connect with heat dissipation end cap (5) with water inlet pipe (2).
4. novel axial flux electric machine stator heat radiation structure as claimed in claim 2, it is characterised in that: the fastening bolt
(4) sealant is coated on screw thread.
5. novel axial flux electric machine stator heat radiation structure as described in claim 1, it is characterised in that: the heat dissipation end cap
(5) it is additionally provided with rectangular channel on, sealing ring I (6) and sealing ring II (7) are installed in rectangular channel.
6. novel axial flux electric machine stator heat radiation structure as described in claim 1, it is characterised in that: the stator core
(3) with the center of heat dissipation end cap (5) using seam allowance positioning, stator core (3) is inner stopper structure, and heat dissipation end cap (5) is outer stops
Mouth structure.
7. novel axial flux electric machine stator heat radiation structure as claimed in claim 5, it is characterised in that: the sealing ring II
(7) it is mounted in the outer circle rectangular channel of male half coupling.
8. novel axial flux electric machine stator heat radiation structure as described in claim 1, it is characterised in that: the groove depth of the water channel
And groove width, the size of the heat generated under different capacity according to motor determine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297869.5U CN209488286U (en) | 2019-03-08 | 2019-03-08 | A kind of novel axial flux electric machine stator heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297869.5U CN209488286U (en) | 2019-03-08 | 2019-03-08 | A kind of novel axial flux electric machine stator heat radiation structure |
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| Publication Number | Publication Date |
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| CN209488286U true CN209488286U (en) | 2019-10-11 |
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ID=68134367
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920297869.5U Active CN209488286U (en) | 2019-03-08 | 2019-03-08 | A kind of novel axial flux electric machine stator heat radiation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768656A (en) * | 2019-03-08 | 2019-05-17 | 贵州航天林泉电机有限公司 | A kind of radiator structure of axial magnetic flux disc type electric machine |
-
2019
- 2019-03-08 CN CN201920297869.5U patent/CN209488286U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109768656A (en) * | 2019-03-08 | 2019-05-17 | 贵州航天林泉电机有限公司 | A kind of radiator structure of axial magnetic flux disc type electric machine |
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