CN211151838U - Insulating composite busbar device for single-tube controller - Google Patents
Insulating composite busbar device for single-tube controller Download PDFInfo
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- CN211151838U CN211151838U CN201922256375.5U CN201922256375U CN211151838U CN 211151838 U CN211151838 U CN 211151838U CN 201922256375 U CN201922256375 U CN 201922256375U CN 211151838 U CN211151838 U CN 211151838U
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Abstract
The utility model relates to an insulating compound female device of arranging for single tube controller, arrange including compound, compound female the arranging top layer insulating film, positive plate, second insulating film, negative plate, third insulating film, three-phase output polar plate, the bottom insulating film that includes from the top down the stromatolite setting, the three-phase output polar plate is last to have connect current sensor, the input of positive plate and negative plate is connected with the one end of first Y electric capacity core and second Y electric capacity core respectively, the other end of first Y electric capacity core and second Y electric capacity core all is connected with the ground connection polar plate respectively. Compared with the prior art, the utility model has the advantages of compound degree is high, the inductance is little, the resistant vibration ability is strong, the integrated level is high, helps realizing the miniaturized design of single tube control ware.
Description
Technical Field
The utility model belongs to the technical field of single tube control ware and specifically relates to an insulating compound female device of arranging for single tube control ware is related to.
Background
With the continuous development of electric vehicles, the requirements on the cost and the volume of a driving motor controller are higher and higher, and a single-tube controller is adopted by most manufacturers at this time. The single-tube controller is a motor controller for the electric automobile directly arranged by adopting single-tube IGBTs, and has the advantages of low cost, good stability, small volume of the single-tube IGBTs and capability of realizing high power density. The traditional motor controller usually selects a whole integrated and packaged power module which has wide application range and stable output, but has high price, large packaging volume, high temperature and poor vibration resistance, so that the single-tube controller has very high requirements on the size of an inductor, the vibration resistance and the structural reliability. The most important part of the single-tube controller in the integration process is the integrated arrangement of the power composite busbar, so that how to design a composite busbar device with high integration level, small volume, small inductance and high vibration resistance is more important.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an insulating compound female device of arranging for overcoming the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides an insulating compound female device of arranging for single tube controller, includes that compound is female arranges, compound female arranging includes top layer insulating film, positive plate, second insulating film, negative plate, third insulating film, three-phase output polar plate, the bottom insulating film that from the top down the stromatolite set up, current sensor has been connect on the three-phase output polar plate, the input of positive plate and negative plate is connected with the one end of first Y electric capacity core and second Y electric capacity core respectively, the other end of first Y electric capacity core and second Y electric capacity core all is connected with the ground plate respectively.
Preferably, the capacitor further comprises a Y capacitor housing, and the first Y capacitor core and the second Y capacitor core are respectively arranged in two grooves in the Y capacitor housing.
Preferably, the grounding polar plate is fixed on the Y capacitor shell, and the grounding polar plate is in a bending structure along the edges of the first Y capacitor core and the second Y capacitor core in the Y capacitor shell.
Preferably, the input ends of the positive plate and the negative plate are respectively provided with a forked terminal.
Preferably, the output ends of the positive plate and the negative plate are respectively of a vertically upward bent pin structure.
Preferably, the input end of the three-phase output polar plate is of a vertically upward rectangular bent pin structure.
Preferably, the positive plate, the negative plate and the three-phase output polar plate are respectively provided with a plurality of clearance structures.
Preferably, each layer of the composite busbar is adhered into a whole through high-temperature insulating glue.
Preferably, the first Y capacitor core and the second Y capacitor core are respectively encapsulated in two grooves in the Y capacitor case by epoxy.
Compared with the prior art, the utility model has the advantages of it is following:
1. the composite busbar device integrates key components of the single-tube controller such as a current sensor and a Y capacitor, is high in integration level and small in size, achieves high integration, low inductance, high temperature resistance and high vibration resistance of the single-tube controller, and is beneficial to achieving the miniaturization design of the single-tube controller.
2. The composite busbar structure comprises seven layers, namely a top insulating film, a positive plate, a second insulating film, a negative plate, a third insulating film, a three-phase output polar plate and a bottom insulating film, the laminating degree is high, high-temperature-resistant glue is adopted between the layers to bond the layers into a whole, the vibration resistance is improved, the busbar inductance is very small, and the performance of a single-tube controller is promoted.
3. The positive plate input end and the negative plate input end are directly integrated with the Y capacitor core, the filtering effect is good, and the EMC performance of the whole single-tube controller can be improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the composite busbar structure of the present invention;
fig. 3 is a schematic structural view of the positive plate of the present invention;
fig. 4 is a schematic structural view of the negative plate of the present invention;
fig. 5 is a schematic structural view of the three-phase output polar plate of the present invention;
fig. 6 is a schematic structural view of the Y capacitor case of the present invention;
fig. 7 is a schematic diagram of the structure of the ground electrode plate of the present invention.
Wherein: 1 is a composite busbar, 2 is a current sensor, 3 is a first Y capacitor core, 4 is a second Y capacitor core, 5 is a grounding polar plate, 6 is a Y capacitor shell, 1-1 is a top insulating film, 1-2 is a positive plate, 1-3 is a second insulating film, 1-4 is a negative plate, 1-5 is a third insulating film, 1-6 is a three-phase output polar plate, and 1-7 is a bottom insulating film.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, the present application provides an insulating composite busbar device for a single-tube controller, which includes a composite busbar 1, where the composite busbar 1 includes a top insulating film 1-1, a positive electrode plate 1-2, a second insulating film 1-3, a negative electrode plate 1-4, a third insulating film 1-5, a three-phase output electrode plate 1-6, and a bottom insulating film 1-7, which are stacked from top to bottom, as shown in fig. 2. In this embodiment, each layer of the composite busbar 1 is bonded into a whole through the high-temperature insulating glue, the structure is reliable, the integral inductance of the single-tube controller can be reduced, and the anti-vibration performance and the integration degree of the single-tube controller are improved.
And a current sensor 2 is fixed on the output end of the three-phase output polar plate 1-6. The input ends of the positive plate 1-2 and the negative plate 1-4 are respectively connected with one ends of the first Y capacitor core 3 and the second Y capacitor core 4, and the other ends of the first Y capacitor core 3 and the second Y capacitor core 4 are respectively connected with the grounding plate 5.
As shown in fig. 3 and 4, the input terminals of the positive electrode plate 1-2 and the negative electrode plate 1-4 are respectively provided with a forked terminal, and the forked terminals of the two are electrically connected to the circular pins of the first Y capacitor core 3 and the second Y capacitor core 4, respectively. The output ends of the positive plate 1-2 and the negative plate 1-4 are respectively of a vertically upward bent pin structure, and the bent pins are electrically connected with the input end of the single-tube IGBT in the single-tube controller.
As shown in fig. 5, the input ends of the three-phase output plates 1-6 are in a vertically upward rectangular bent pin structure, and the bent pins are electrically connected with the output ends of the single-tube IGBTs in the single-tube controller respectively. The positive plate 1-2, the negative plate 1-4 and the three-phase output plate 1-6 are respectively provided with a plurality of clearance structures.
As shown in fig. 6, the device is provided with a Y capacitor casing 6, two rectangular grooves are arranged in the Y capacitor casing 6, a first Y capacitor core 3 and a second Y capacitor core 4 are respectively arranged in the two grooves in the Y capacitor casing 6, and the cores are fixed by encapsulating with epoxy glue. The ground plate 5 is fixed on the Y capacitor case 6, as shown in fig. 7, the ground plate 5 is bent along the edges of the first Y capacitor core 3 and the second Y capacitor core 4 in the Y capacitor case 6, and two ends of the ground plate 5 are respectively provided with a fork terminal connected with the first Y capacitor core 3 and the second Y capacitor core 4.
Claims (9)
1. An insulating composite busbar device for a single-tube controller comprises a composite busbar (1), it is characterized in that the composite busbar (1) comprises a top insulating film (1-1), a positive plate (1-2), a second insulating film (1-3), a negative plate (1-4), a third insulating film (1-5), a three-phase output polar plate (1-6) and a bottom insulating film (1-7) which are stacked from top to bottom, the three-phase output polar plate (1-6) is connected with a current sensor (2), the input ends of the positive plate (1-2) and the negative plate (1-4) are respectively connected with one end of a first Y capacitor core (3) and one end of a second Y capacitor core (4), the other ends of the first Y capacitor core (3) and the second Y capacitor core (4) are respectively connected with a grounding polar plate (5).
2. The insulated composite busbar device for the single-tube controller according to claim 1, further comprising a Y capacitor shell (6), wherein the first Y capacitor core (3) and the second Y capacitor core (4) are respectively arranged in two grooves in the Y capacitor shell (6).
3. The insulating composite busbar device for the single-tube controller according to claim 2, wherein the grounding electrode plate (5) is fixed on the Y capacitor shell (6), and the grounding electrode plate (5) is in a bent structure along the edges of the first Y capacitor core (3) and the second Y capacitor core (4) in the Y capacitor shell (6).
4. An insulated composite busbar arrangement for single-tube controllers according to claim 1, wherein the input ends of the positive plates (1-2) and negative plates (1-4) are provided with forked terminals, respectively.
5. The insulated composite busbar device for the single-tube controller according to claim 1, wherein the output ends of the positive plates (1-2) and the negative plates (1-4) are respectively in a vertically upward bent pin structure.
6. The insulated composite busbar device for the single-tube controller according to claim 1, wherein the input end of the three-phase output pole plate (1-6) is of a vertically upward rectangular bent pin structure.
7. The insulating composite busbar device for the single-tube controller according to claim 1, wherein the positive plate (1-2), the negative plate (1-4) and the three-phase output plate (1-6) are respectively provided with a plurality of clearance structures.
8. The insulated composite busbar device for the single-tube controller according to claim 1, wherein the layers of the composite busbar (1) are integrally bonded by high-temperature insulating glue.
9. The insulated composite busbar device for the single-tube controller according to claim 2, wherein the first Y capacitor core (3) and the second Y capacitor core (4) are respectively encapsulated in two grooves in a Y capacitor shell (6) by epoxy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256375.5U CN211151838U (en) | 2019-12-16 | 2019-12-16 | Insulating composite busbar device for single-tube controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922256375.5U CN211151838U (en) | 2019-12-16 | 2019-12-16 | Insulating composite busbar device for single-tube controller |
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| Publication Number | Publication Date |
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| CN211151838U true CN211151838U (en) | 2020-07-31 |
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| CN201922256375.5U Active CN211151838U (en) | 2019-12-16 | 2019-12-16 | Insulating composite busbar device for single-tube controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865489A (en) * | 2020-12-28 | 2021-05-28 | 北京交通大学 | Centrosymmetric IGBT multi-module parallel device |
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2019
- 2019-12-16 CN CN201922256375.5U patent/CN211151838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865489A (en) * | 2020-12-28 | 2021-05-28 | 北京交通大学 | Centrosymmetric IGBT multi-module parallel device |
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