CN209358318U - A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction - Google Patents
A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction Download PDFInfo
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- CN209358318U CN209358318U CN201821808123.8U CN201821808123U CN209358318U CN 209358318 U CN209358318 U CN 209358318U CN 201821808123 U CN201821808123 U CN 201821808123U CN 209358318 U CN209358318 U CN 209358318U
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Abstract
The utility model relates to the new-energy automobiles of technical field of new energy, more particularly to a kind of 6 layers of 72 slot or more flat type copper wire lap winding structure and the application winding construction.The winding construction includes the three-phase lap winding structure being distributed at least 6 layers of winding layers；Lap winding structure described in every phase, including at least one winding branch；The winding branch is included between the equally distributed multiple elements of winding of each winding layers and the adjacent element of winding and is separated by a winding layers.In above-mentioned technical proposal, the element of winding of each winding branch is evenly distributed in each winding layers and is separated by a winding layers setting between the adjacent element of winding, it forms and reaches self-balancing inside the minimum winding element of winding branch, power can be changed only by the change of the series-parallel system to winding branch.
Description
Technical field
The utility model relates to technical field of new energy, more particularly to a kind of 6 layers of 72 slot or more flat type copper wire lap winding
The new-energy automobile of structure and the application winding construction.
Background technique
On long terms, miniaturization, high speed will be the Main Trends of The Development of New energy automobile motor, and minimize inevitable
It is significantly promoted it is required that power of motor density has.From the point of view of technical requirements, " 13 planning " proposes new-energy automobile driving electricity
The peak power density of machine will reach 4kw/kg, and this data only reaches 3.2-3.3kw/kg at present.Furthermore high speed is brought
Be promotion to motor radiating, the type of cooling also tends to cold using oil, and flat wire motor can make cooling oil maximum possible
Contact heat source.
The difference of flat wire motor and round wires motor is that the forming mode of copper wire, flat wire are conducive to mentioning for motor copper factor
It rises, the copper factor of general round wires motor is 40% or so, and the copper factor of flat wire motor can reach 60% or more.The promotion of copper factor
Mean under the premise of space invariance, more copper wire can be filled, generates stronger magnetic field strength, hoisting power density.
Contact area is big between flat wire, compared to round wires motor, thermal conductivity is more preferable, and temperature rise is lower.It data show, flat wire motor temperature
Rise lower than round wires motor 10% or so.
The utility application of application publication number CN108347115A, data of publication of application on July 31st, 2018 disclose
It, can when a kind of improved flat type copper wire wave winding armature winding is 4,6,8 in every slot conductor number of plies ... and parallel branch is even number
To improve the uniformity of the inside and outside layer of armature winding, improve ectonexine winding temperature inhomogeneities, the electric property for improving motor refers to
Mark.And flat type copper wire armature end-connections intercoil connection can be eliminated, only remaining power outlet end and asterism connecting line.Due to most
The adjacent elements of small coil unit are distributed across same layer, and the double-deck wave winding structure includes being respectively distributed to the member of different layers
Part.The inductance value of element in different layers is different, therefore minimal coil unit therein is non-self-balancing, nothing
Method realizes that the power of more power grades is changed by changing the series-parallel system between each minimal coil unit.
Utility model content
In order to solve the above-mentioned technical problem, 6 layers of 72 slot of one kind or more flat type copper wire lap winding structure, feature exist the application
In, comprising:
The three-phase lap winding structure being distributed at least 6 layers of winding layers；
Lap winding structure described in every phase, including at least one winding branch；
The winding branch is included in the equally distributed multiple elements of winding of each winding layers and the adjacent element of winding
Between be separated by a winding layers.
In above-mentioned technical proposal, the element of winding of each winding branch is evenly distributed in each winding layers and adjacent around constituent element
It is separated by a winding layers setting between part, forms and reach self-balancing inside the minimum winding element of winding branch, can only lead to
The change to the series-parallel system of winding branch is crossed to change power.
Preferably, the extraction line end of each winding branch is respectively positioned on the winding layers of innermost layer.
Preferably, the extraction line end of each winding branch is respectively positioned on outermost winding layers.
Preferably, the extraction line end of the winding branch is located at the winding layers or outermost winding layers of innermost layer.
Preferably, the pitch of the extraction line end of each winding branch is unequal.
Preferably, the extraction line end of each winding branch is U-shaped line.
Preferably, the pitch of the welding ends of each winding branch is equal.
Preferably, lap winding structure described in every phase includes 2 or 4 winding branches.
Preferably, even level winding layers of the three-phase lap winding structure distribution at 8 layers or more.
Preferably, the motor includes lap winding structure as described in any one of the above embodiments.
Detailed description of the invention
The three-phase windings expanded schematic diagram of 6 layers of 72 slot of Fig. 1 embodiment one or more flat type copper wire lap winding structure.
The connection schematic diagram of 6 layers of 72 slot of Fig. 2 embodiment one or more flat type copper wire lap winding structure.
The three-phase windings expanded schematic diagram of 6 layers of 72 slot of Fig. 3 embodiment two or more flat type copper wire lap winding structure.
The connection schematic diagram of 6 layers of 72 slot of Fig. 4 embodiment two or more flat type copper wire lap winding structure.
The three-phase windings expanded schematic diagram of 6 layers of 72 slot of Fig. 5 embodiment three or more flat type copper wire lap winding structure.
The connection schematic diagram of 6 layers of 72 slot of Fig. 6 embodiment three or more flat type copper wire lap winding structure.
Specific embodiment
Term used herein is used only for the purpose of describing specific embodiments, and is not intended to limit the utility model.Unless
In addition it defines, otherwise all terms used herein have and are generally understood with the utility model those of ordinary skill in the art
Identical meaning.It will be further appreciated that essential term should be interpreted as having and it is in related fields and the disclosure
The consistent meaning of meaning in content.The disclosure will be considered as the example of the utility model, and be not intended to this is practical new
Type is restricted to specific embodiment.
Embodiment one
The expanded view of 4 pairs of 72 slot of one kind, 6 layers of pole as shown in Figure 1 or more flat type copper wire winding construction, including be distributed at least
Three-phase in six layers of winding layers is around lap winding structure.Three-phase lap winding structure can be distributed in the idol greater than 6 such as 6 or 8 or 10 layers
In several layers of winding layers, it is described for being distributed in 6 layers of winding layers in this example.Often being stacked winding construction includes by 4
1 winding branch of minimum winding element composition.4 minimum winding elements respectively correspond pole with 4 groups, including setting exists
Corresponding multiple elements of winding between pole, these elements of winding are uniformly distributed between different winding layers, it is adjacent around
Set of pieces is in different winding layers.In the present embodiment, a winding layers are separated by between the adjacent element of winding.Every winding branch
Road includes U-shaped extraction line end and welding ends.The pitch of the welding ends of each winding branch is equal, the extraction line end of each winding branch
Pitch it is unequal, be easy to implement automation plug wire.The extraction line end of each winding branch is arranged in innermost layer or outermost
Winding layers.For example, the extraction line end of each winding branch can be arranged in the 6th layer of winding layers (as shown in Figure 1), can also incite somebody to action
The extraction line end of each winding branch is arranged in the 1st layer of winding layers, the extraction line end of part winding branch can also be arranged in the 6th
The extraction line end of layer winding layers and remaining winding branch is arranged in the 1st layer of winding layers.Greatly simplify the knot of winding overhang special-shaped line
Structure layout reduces the bulk that winding construction end occupies.
As shown in Fig. 2, the connection schematic diagram of the winding construction for the present embodiment, (B, C phase and A phase by taking A phase lap winding as an example
Similar, details are not described herein):
A phase lap winding includes the winding branch formed of being connected by minimum winding element U1, U2, U3, U4, the winding branch from
It is finally exported from the position X4 to three-phase central point at the position A1 around entering in Fig. 1.By minimum winding element U1, U2, U3, U4
Each element of winding be uniformly arranged in different winding layers, and the adjacent element of winding be in be separated by setting for a winding layers
Meter, so that respectively internal electrical characteristics reach self-balancing to these minimum winding elements, and the temperature of each minimum winding element is uniform,
Power can be changed only by the change of the series-parallel system to winding branch.
Embodiment two
The expanded view of 4 pairs of 72 slot of one kind, 6 layers of pole as shown in Figure 3 or more flat type copper wire winding construction, including be distributed at least
Three-phase in six layers of winding layers is around lap winding structure.Three-phase lap winding structure can be distributed in the idol greater than 6 such as 6 or 8 or 10 layers
In several layers of winding layers, it is described for being distributed in 6 layers of winding layers in this example.It includes in parallel for being often stacked winding construction
2 winding branches, every winding branch route 2 minimum winding element compositions.4 minimum winding elements are respectively with 4 groups to pole one
One is corresponding, and including corresponding multiple elements of winding between pole are arranged in, these elements of winding are between different winding layers
It is uniformly distributed, the adjacent element of winding is in different winding layers.In the present embodiment, one is separated by between the adjacent element of winding
Winding layers.Every winding branch includes U-shaped extraction line end and welding ends.The pitch of the welding ends of each winding branch is equal, respectively
The pitch of the extraction line end of winding branch is unequal, is easy to implement automation plug wire.The extraction line end of each winding branch is arranged in
Innermost layer or outermost winding layers.For example, the extraction line end of each winding branch can be arranged in the 6th layer of winding layers
The extraction line end of each winding branch can also be arranged in the 1st layer of winding layers by (as shown in Figure 1), can also be by part winding branch
The extraction line end on road is arranged in the 6th floor winding layers and the extraction line end of remaining winding branch is arranged in the 1st floor winding layers.It is significantly simple
Change the topology layout of winding overhang special-shaped line, reduces the bulk that winding construction end occupies.
As shown in figure 4, the connection schematic diagram of the winding construction for the present embodiment.(B, C phase by taking A is stacked winding construction as an example
Similar with A, details are not described herein):
A phase lap winding includes the first winding branch formed and by minimum winding list of being connected by minimum winding element U1, U2
The second winding branch that first U3, U4 are formed.Wherein, the first winding branch include by the position A1 in Fig. 3 around enter, by the position X1
The first minimum winding element U1 that place is laid out, and by the position A2 in Fig. 3 around the second minimum for entering, being laid out by the position X2
It is electrically connected at the position winding element U2, X1 and A2, the end X2 connects three-phase central point；Second winding branch includes by A3 in Fig. 3
The place of setting around the third minimum winding element U3 for entering, being laid out by the position X3, and by the position A4 in Fig. 3 around enter, by X4
It is electrically connected at the 4th minimum position winding element U4, X3 and A4 laid out at position, the end X4 connects three-phase central point.By minimum around
Each element of winding of group unit U1, U2, U3, U4 are uniformly arranged in different winding layers, and the adjacent element of winding is in
It is separated by the design of a winding layers, so that respectively internal electrical characteristics reach self-balancing, and each minimum to these minimum winding elements
The temperature of winding element is uniform, can change power only by the change of the series-parallel system to winding branch.
Embodiment three
The expanded view of 4 pairs of 72 slot of one kind, 6 layers of pole as shown in Figure 5 or more flat type copper wire winding construction, including be distributed at least
Three-phase in six layers of winding layers is around lap winding structure.Three-phase lap winding structure can be distributed in the idol greater than 6 such as 6 or 8 or 10 layers
In several layers of winding layers, it is described for being distributed in 6 layers of winding layers in this example.It includes in parallel for being often stacked winding construction
4 winding branches, every winding branch route 1 minimum winding element composition.4 minimum winding elements are respectively with 4 groups to pole one
One is corresponding, and including corresponding multiple elements of winding between pole are arranged in, these elements of winding are between different winding layers
It is uniformly distributed, the adjacent element of winding is in different winding layers.In the present embodiment, one is separated by between the adjacent element of winding
Winding layers.Every winding branch includes U-shaped extraction line end and welding ends.The pitch of the welding ends of each winding branch is equal, respectively
The extraction line terminal section of winding branch is easy to implement automation plug wire away from unequal.The extraction line end of each winding branch is arranged in most
Internal layer or outermost winding layers.For example, the extraction line end of each winding branch can be arranged in the 6th layer of winding layers (such as
Shown in Fig. 1), the extraction line end of each winding branch can also be arranged in the 1st layer of winding layers, it can also be by part winding branch
Extraction line end is arranged in the 6th layer of winding layers and the extraction line end of remaining winding branch is arranged in the 1st layer of winding layers.Greatly simplify around
The topology layout of group end special line reduces the bulk that winding construction end occupies.
As shown in fig. 6, the connection schematic diagram of the winding construction for the present embodiment.(B, C phase by taking A is stacked winding construction as an example
Similar with A, details are not described herein):
A phase lap winding includes the first winding branch, the second winding formed respectively by minimum winding element U1, U2, U3, U4
Branch, tertiary winding branch and the 4th winding branch.Wherein, the first minimum winding element U1 by the position A1 in Fig. 3 around enter,
It is laid out by the position X1, the end X1 connects three-phase central point；Second minimum winding element U2 by the position A2 in Fig. 3 around enter, by
X2 is laid out at position, and the end X2 connects three-phase central point；Third minimum winding element U3 by the position A3 in Fig. 3 around enter, by X3
It is laid out at position, the end X3 connects three-phase central point；4th minimum winding element U4 by the position A4 in Fig. 3 around enter, by X4
The place of setting is laid out, and the end X4 connects three-phase central point.Each element of winding of minimum winding element U1, U2, U3, U4 are uniformly arranged on not
In same winding layers, and the adjacent element of winding is in the design for being separated by a winding layers, so that these minimum winding elements
Respectively internal electrical characteristics reach self-balancing, and the temperature of each minimum winding element is uniform, can be only by winding branch
The change of series-parallel system change power.
Example IV
A kind of new-energy automobile, including using 6 layers of 72 slot described in any one of embodiment one to implementation three or more flat copper
The electric motor of automobile of line lap winding structure.The electric motor of automobile power density is big, small in size, it is easy to accomplish the miniaturization of automobile.
Although being described in conjunction with the accompanying the embodiments of the present invention, those of ordinary skill in the art can be in institute
Various deformations or amendments are made in attached the scope of the claims.
Claims (10)
1. a kind of 6 layers of 72 slot or more flat type copper wire lap winding structure characterized by comprising
The three-phase lap winding structure being distributed at least 6 layers of winding layers；
Lap winding structure described in every phase, including at least one winding branch；
The winding branch is included between the equally distributed multiple elements of winding of each winding layers and the adjacent element of winding
It is separated by a winding layers.
2. a kind of 6 layers of 72 slot according to claim 1 or more flat type copper wire lap winding structures, it is characterised in that:
The extraction line end of each winding branch is respectively positioned on the winding layers of innermost layer.
3. a kind of 6 layers of 72 slot according to claim 1 or more flat type copper wire lap winding structures, it is characterised in that:
The extraction line end of each winding branch is respectively positioned on outermost winding layers.
4. a kind of 6 layers of 72 slot according to claim 1 or more flat type copper wire lap winding structures, it is characterised in that:
The extraction line end of the winding branch is located at the winding layers or outermost winding layers of innermost layer.
5. a kind of 6 layers of 72 slot according to claim 1 or more flat type copper wire lap winding structures, it is characterised in that:
The pitch of the extraction line end of each winding branch is unequal.
6. a kind of 6 layers of 72 slot according to claim 1 or more flat type copper wire lap winding structures, it is characterised in that:
The non-extraction line end of each winding branch is U-shaped line.
7. a kind of 6 layers of 72 slot according to claim 6 or more flat type copper wire lap winding structures, it is characterised in that:
The pitch of the welding ends of each winding branch is equal.
8. 6 layers of 72 slot of one kind or more flat type copper wire lap winding structure, feature described in any one of -7 exist according to claim 1
In:
Lap winding structure described in every phase includes 2 or 4 winding branches.
9. 6 layers of 72 slot of one kind or more flat type copper wire lap winding structure, feature described in any one of -7 exist according to claim 1
In:
Even level winding layers of the three-phase lap winding structure distribution at 8 layers or more.
10. a kind of new-energy automobile, including motor；It is characterized by:
The motor includes lap winding structure as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821808123.8U CN209358318U (en) | 2018-11-05 | 2018-11-05 | A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821808123.8U CN209358318U (en) | 2018-11-05 | 2018-11-05 | A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction |
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| CN209358318U true CN209358318U (en) | 2019-09-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327094A (en) * | 2018-11-05 | 2019-02-12 | 浙江龙芯电驱动科技有限公司 | A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction |
-
2018
- 2018-11-05 CN CN201821808123.8U patent/CN209358318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327094A (en) * | 2018-11-05 | 2019-02-12 | 浙江龙芯电驱动科技有限公司 | A kind of new-energy automobile of 6 layers of 72 slot or more flat type copper wire lap winding structures and the application winding construction |
| CN109327094B (en) * | 2018-11-05 | 2023-11-17 | 浙江龙芯电驱动科技有限公司 | 72-slot over 6-layer flat copper wire lap winding structure and new energy automobile |
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