CN219738656U - High-protection electric automobile busbar insulation part - Google Patents
High-protection electric automobile busbar insulation part Download PDFInfo
- Publication number
- CN219738656U CN219738656U CN202220541871.4U CN202220541871U CN219738656U CN 219738656 U CN219738656 U CN 219738656U CN 202220541871 U CN202220541871 U CN 202220541871U CN 219738656 U CN219738656 U CN 219738656U
- Authority
- CN
- China
- Prior art keywords
- mica tape
- mica
- layer
- busbar
- tape layer
- 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.)
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- 238000009413 insulation Methods 0.000 title claims description 21
- 239000010445 mica Substances 0.000 claims abstract description 129
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 129
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 14
- 238000005253 cladding Methods 0.000 abstract description 5
- 239000012212 insulator Substances 0.000 abstract description 3
- 229920001296 polysiloxane Polymers 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the field of electric automobile accessories, in particular to a high-protection electric automobile busbar insulator which comprises a busbar conductor, wherein at least one mica tape layer is arranged on the outer side of the busbar conductor, and a mica-based organic silicon composite material layer is further arranged on one side, far away from the busbar conductor, of the outermost mica tape layer. The insulating layer of the busbar insulating piece is convenient to set, can be produced by adopting a process of cladding and bending, and the insulating layer cannot be damaged in the bending process, so that the insulating performance of the busbar insulating piece is effectively ensured.
Description
Technical Field
The utility model relates to the field of electric automobile accessories, in particular to a high-protection electric automobile busbar insulator.
Background
The laminated busbar is used as an efficient and reliable electrical connection part, and the product of the laminated busbar is widely applied to various power electronic systems nowadays. In the power supply system of the electric automobile, the total switch and the switch in each shunt circuit are connected with a copper bar or an aluminum bar, and the surface of the copper bar or the aluminum bar is required to be subjected to insulation treatment.
There is a busbar insulation in the related art, which includes a busbar conductor, and a plurality of mica paper layers are molded on the outer side of the busbar conductor to form an insulating flame retardant layer with a certain thickness. Compression molding of the insulating flame-retardant layer is performed by relying on a prefabricated 3D molding piece, and the insulating flame-retardant layer is formed by closing two 3D molding pieces.
For the related technology, in the process of forming the insulating flame-retardant layer, the busbar conductors can only be bent to form a certain working shape, and then the external insulating layer is wrapped, so that the operation is inconvenient.
Disclosure of Invention
In order to facilitate the arrangement of an insulating layer and realize the technical process of cladding and bending, the utility model provides a busbar insulating piece of a high-protection electric automobile.
The utility model provides a high-protection electric automobile busbar insulation part, which adopts the following technical scheme:
the utility model provides a high protective electric automobile busbar insulator, includes the busbar conductor, the busbar conductor outside is provided with at least one deck mica tape layer, and the one side that the busbar conductor was kept away from to the outside mica tape layer still is provided with mica base organosilicon composite material layer.
By adopting the technical scheme, the mica paper mould pressing structure in the related technology is replaced by combining the mica tape layer and the mica-based organic silicon composite material layer, the mica tape layer has good adhesion after being coated, is tightly attached to the busbar conductors, is not easy to generate gaps, and the externally-coated mica-based organic silicon composite material layer has good friction damage resistance, and can be tightly attached to the surface of the busbar conductors after the bending step, so that the technical process of coating before bending is realized, and the production is convenient.
In addition, the above-described bending step is not limited to straight bending (bending along the length direction of the busbar insulation), but flat bending (bending along the width direction of the busbar insulation) may be also realized. After the steps of straight bending and/or flat bending and bending, the mica tape layer can still be tightly attached to the busbar conductors, so that the working performance of the busbar insulation piece is ensured.
Preferably, the mica tape layer comprises a plurality of mica tape units, and edges of two adjacent mica tape units are overlapped.
By adopting the technical scheme, the mica tape layer is formed by wrapping the mica tape, and each circle of mica tape forms a mica tape unit, so that the adhesion of the mica tape layer is further improved, and the occurrence of separation between the mica tape layer and a busbar conductor in a bending process is effectively reduced.
Preferably, the overlapping rate of two adjacent mica tape units is 25-50%.
Through adopting above-mentioned technical scheme, through the restriction to mica tape unit overlap ratio, guaranteed laminating fastness and compactness between every mica tape unit and the busbar conductor, further improved the adherence of mica tape layer to guaranteed the normal clear of cladding earlier and then buckling technology.
Preferably, the thickness of the mica-based organosilicon composite layer is 0.1-2mm.
By adopting the technical scheme, when the thickness of the mica-based organic silicon composite material layer is 0.1-2mm, better friction damage protection can be formed on the mica tape layer, and the insulation performance and strength of the busbar insulation piece are effectively ensured.
Preferably, the mica tape layer is provided with a layer, and the thickness ratio of the mica tape layer to the mica-based organic silicon composite material layer is 1 (0.5-20).
By adopting the technical scheme, when the thickness ratio of the mica tape layer to the mica-based organic silicon composite material layer is in the range, the insulation and wear resistance of the busbar insulation piece are effectively ensured.
Preferably, the mica tape layer is provided with two layers, and the thickness ratio of each mica tape layer to the mica-based organic silicon composite material layer is 1 (0.2-10).
Through adopting above-mentioned technical scheme, through setting up two-layer mica tape layer for the mica tape layer that is close to busbar conductor one side has better fitting nature, improves the laminating fastness of mica tape layer and busbar conductor, has further reduced the circumstances emergence that appears mica tape layer and busbar conductor separation when later buckling process, has guaranteed the normal clear of cladding earlier and then bending technology.
Preferably, an included angle exists between the extending directions of mica tape units of the two mica tape layers.
By adopting the technical scheme, the attaching fastness of the mica tape layer and the busbar conductors is further improved, the unpacking phenomenon of the mica tape layer in the bending process is effectively reduced, and the normal operation of the process of wrapping before bending is ensured.
Preferably, the included angle is 30-60 °.
By adopting the technical scheme, mica tape units of the two mica tape layers are staggered and wrapped according to the angles, so that the bonding strength between the mica tape layers and the busbar conductors can be obviously improved, and the smooth proceeding of the bending process is ensured.
In summary, the utility model at least comprises the following beneficial technical effects:
1. according to the utility model, the mica tape layer is combined with the mica-based organic silicon composite material layer to replace a mica paper mould pressing structure in the related art, and the mica tape layer has good adhesion with the busbar conductors, so that the mica tape layer can still keep good adhesion strength after bending, thereby realizing a production process of cladding and bending the busbar insulation piece, and facilitating production;
2. according to the utility model, the mica-based organic silicon composite material layer is arranged, so that the composite material layer has a good friction damage resistance effect, a protection effect is achieved on the mica tape layer, and the damage of the mica tape layer is effectively reduced;
3. according to the utility model, the two mica tape layers with a certain included angle in the extending direction are arranged, so that the mica tape layer close to one side of the busbar conductor has better fitting property, and the occurrence of separation of the mica tape layer and the busbar conductor during bending is further reduced.
Drawings
Fig. 1 is a schematic structural diagram of a busbar insulation member of a high-protection electric automobile in an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a mica-based organosilicon composite material layer with a high-protection electric automobile busbar insulation part removed in an embodiment of the utility model;
FIG. 3 is a schematic diagram of overlapping relationship of mica tape units according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of overlapping relationship of mica tape units according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a busbar insulation for a high-protection electric vehicle according to another embodiment of the present utility model.
Reference numerals: 1. a busbar conductor; 2. mica tape layers; 21. a mica tape unit; 3. a mica-based silicone composite layer.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a high-protection electric automobile busbar insulation piece. Referring to fig. 1 and 2, the high protective electric automobile busbar insulation includes a busbar conductor 1, a mica tape layer 2, and a mica-based silicone composite layer 3. In this embodiment, the mica tape layer 2 is provided with a layer, which is formed by wrapping mica tapes on the surface of the busbar conductor 1, each circle of mica tape forms a mica tape unit 21, edges of adjacent mica tape units 21 overlap, and a plurality of mica tape units 21 jointly form the mica tape layer 2. The mica-based organic silicon composite material layer 3 is arranged on one side, far away from the busbar conductor 1, of the mica tape layer 2, and plays a role in protecting the mica tape layer 2, so that friction damage of the mica tape layer 2 is effectively reduced.
As the mica tape layer 2 and the mica-based organic silicon composite material layer 3 are used as insulating layers to replace a mica paper molding structure, the mica tape layer 2 is coated and has good adhesion, so that the busbar insulation piece can be coated by the insulating layers and then subjected to a bending process, and the production is convenient.
In this embodiment, the overlapping ratio between adjacent mica tape units 21 is 25 to 50%. Taking the continuous five mica tape units 21 as an example, the overlapping relationship of the mica tape units 21 may be as shown in fig. 3, that is, the five mica tape units 21 may be overlapped in sequence, or as shown in fig. 4, the five mica tape units 21 may be overlapped in a top-to-bottom manner.
In the technical scheme of the utility model, the thickness of the mica-based organic silicon composite material layer 3 can be 0.1-2mm, and in the embodiment, the thickness of the mica-based organic silicon composite material layer 3 is 1mm. The thickness ratio of the mica tape layer 2 to the mica-based silicone composite layer 3 may be 1 (0.5-20), and in this embodiment, the thickness of the mica tape layer 2 is 0.2mm, i.e., the thickness ratio of the mica tape layer 2 to the mica-based silicone composite layer 3 is 1:5.
Referring to fig. 5, in another embodiment, the mica tape layer 2 is provided with two layers, the first mica tape layer 2 is formed by wrapping mica tapes on the surface of the busbar conductor 1, the second mica tape layer 2 is formed by wrapping mica tapes on the surface of the first mica tape layer 2, and the thickness ratio of any mica tape layer 2 to the mica-based silicone composite material layer 3 can be 1 (0.2-10). In this embodiment, the thickness of the mica-based silicone composite layer 3 is 1mm, and the thickness of each mica tape layer 2 is 0.5mm, i.e., the thickness ratio of each mica tape layer 2 to the mica-based silicone composite layer 3 is 1:2. In addition, as shown in fig. 5, in this embodiment, there is an included angle in the extending direction of the mica tape units 21 of the two mica tape layers 2, and the included angle may be 30-60 °, so that the unpacking phenomenon of the mica tape layers 2 in the bending process is effectively reduced, and the normal operation of the process of packing before bending is ensured.
The implementation principle of the high-protection electric automobile busbar insulation part provided by the embodiment of the utility model is as follows: the mica tape layer 2 and the mica-based organic silicon composite material layer 3 are adopted to replace a mica paper mould pressing structure, and the mica tape layer 2 is coated and has good adhesion, so that the mica tape layer can be tightly attached to the busbar conductor 1, and after bending, the mica tape layer 2 is still tightly attached to the surface of the busbar conductor 1, so that a coating-before-bending process is possible, and the production is convenient.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (1)
1. The high-protection electric automobile busbar insulation piece comprises a busbar conductor (1) and is characterized in that at least one mica tape layer (2) is arranged on the outer side of the busbar conductor (1), and a mica-based organic silicon composite material layer (3) is further arranged on one side, far away from the busbar conductor (1), of the outermost mica tape layer (2);
the mica tape layer (2) comprises a plurality of mica tape units (21), and edges of two adjacent mica tape units (21) are overlapped;
the overlapping rate of two adjacent mica tape units (21) is 25-50%;
the thickness of the mica-based organic silicon composite material layer (3) is 0.1-2mm;
the mica tape layer (2) is provided with two layers, and the thickness ratio of each mica tape layer (2) to the mica-based organic silicon composite material layer (3) is 1 (0.2-10);
the thickness of the mica tape layers (2) is 0.5mm;
an included angle exists between the extending directions of mica tape units (21) of the two mica tape layers (2);
the included angle is 30-60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541871.4U CN219738656U (en) | 2022-03-12 | 2022-03-12 | High-protection electric automobile busbar insulation part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220541871.4U CN219738656U (en) | 2022-03-12 | 2022-03-12 | High-protection electric automobile busbar insulation part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219738656U true CN219738656U (en) | 2023-09-22 |
Family
ID=88063587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220541871.4U Active CN219738656U (en) | 2022-03-12 | 2022-03-12 | High-protection electric automobile busbar insulation part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219738656U (en) |
-
2022
- 2022-03-12 CN CN202220541871.4U patent/CN219738656U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |