CN209375475U

CN209375475U - A kind of main drive controller and power system of electric automobile of electric car

Info

Publication number: CN209375475U
Application number: CN201821813675.8U
Authority: CN
Inventors: 宋彦明; 文熙凯; 李锦达; 张永岚
Original assignee: Shenzhen Hopewind Electric Co Ltd
Current assignee: Shenzhen Hopewind Electric Co Ltd
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2019-09-10
Anticipated expiration: 2028-11-02

Abstract

The utility model relates to the main drive controllers and power system of electric automobile of a kind of electric car, main drive controller includes cabinet, driving plate, stack bus bar, IGBT power cell and bus capacitor, IGBT in the IGBT power cell is vertical placement, stack bus bar successively includes exchange row, positive busbar and cathode bus bar, insulating layer is equipped between the anode busbar and cathode bus bar and between positive busbar and exchange row, bus capacitor is soldered on positive busbar and cathode bus bar, IGBT power cell is soldered to positive busbar, cathode bus bar, on exchange row and driving plate.The stack bus bar arrangement is close, thickness is small, it occupies little space, bus capacitor is soldered on positive busbar and cathode bus bar, and IGBT power cell is soldered in positive busbar, cathode bus bar, exchange row and driving plate, the main drive controller compact layout of such stack bus bar design, power flow is smooth, each component or assembly module, assembly is flexible and convenient, and it is wide to adapt to scene.

Description

A kind of main drive controller and power system of electric automobile of electric car

Technical field

The utility model relates to the inverter technology fields of power conversion more particularly to a kind of master of electric car to control system Device and power system of electric automobile.

Background technique

It is driven in controller design using the electric vehicle master of discrete device power cell, design and row from stack bus bar From the point of view of on cloth, there are mainly two types of schemes at present.The first scheme is the vertical placement of IGBT, as shown in Figure 1, stack bus bar 3 is located at Between driving plate 2 and IGBT power cell 4, exchange row 33 is close to IGBT power cell 4, by being welded on stack bus bar 3 AC and DC power row realizes that the main external power of controller that drives connects.Second of technical solution is the horizontal placement of IGBT, such as Shown in Fig. 2, driving plate 2 is between stack bus bar 3 and IGBT power cell 4, positive busbar 31, cathode bus bar 32 and the row of exchange 33 are soldered in driving plate 2, realize that the external power of main drive controller connects by the binding post being fixed on stack bus bar 3. This two kinds of schemes still have room for improvement in layout and saving space.

Utility model content

The purpose of this utility model is to provide a kind of compact layout, power flow is smooth, adapts to the wide electric car of scene Main drive controller and power system of electric automobile.

Technical solution provided by the utility model are as follows: a kind of main drive controller of electric car, including cabinet, driving plate, Stack bus bar, IGBT power cell and bus capacitor, the IGBT in the IGBT power cell are vertical placement, and the lamination is female Row successively includes exchange row, positive busbar and cathode bus bar, between the anode busbar and cathode bus bar and positive busbar and It is equipped with insulating layer between exchange row, bus capacitor is soldered on positive busbar and cathode bus bar, and IGBT power cell is soldered to In positive busbar, cathode bus bar, exchange row and driving plate.

Wherein, tie point is extended in the positive busbar, cathode bus bar and the side of exchange row, the bus capacitor with IGBT power cell is soldered on the tie point.

Wherein, the positive busbar, cathode bus bar are located at the same side of stack bus bar with the tie point in the row of exchange.

Wherein, the tie point of the positive busbar and cathode bus bar is located at the same side of stack bus bar, the company on exchange row Contact is located at the opposite other side of stack bus bar.

Another technical solution provided by the utility model are as follows: a kind of power system of electric automobile, including it is recited above Main drive controller.

The utility model has the following beneficial effects: the IGBT in the IGBT power cell of the main drive controller of the electric car For vertical placement, by insulating layer progress electric insulation between the positive busbar of the stack bus bar, cathode bus bar and exchange row, Stack bus bar arrangement is close, and thickness is small, occupies little space, and bus capacitor is soldered on positive busbar and cathode bus bar, IGBT function In rate element solder to positive busbar, cathode bus bar, exchange row and driving plate, the main drive controller cloth of such stack bus bar design Office is compact, and power flow is smooth, each component or assembly module, and assembly is flexible and convenient, and it is wide to adapt to scene.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the main drive controller of electric car in the prior art；

Fig. 2 is the structural schematic diagram of the main drive controller of another electric car in the prior art；

Fig. 3 is the primary decomposition texture schematic diagram of the main drive controller embodiment of electric car described in the utility model；

Fig. 4 is the main further decomposition texture schematic diagram of drive controller embodiment of electric car described in the utility model；

Fig. 5 is the main drive controller embodiment decomposition texture side schematic view of electric car described in the utility model；

Fig. 6 is the decomposition texture schematic diagram of stack bus bar described in the utility model；

Fig. 7 is the structural schematic diagram of another embodiment of stack bus bar described in the utility model；

Fig. 8 is the decomposition texture schematic diagram of stack bus bar in Fig. 7.

1, cabinet；2, driving plate；3, stack bus bar；31, positive busbar；311, positive tie point；32, cathode bus bar； 321, cathode tie point；33, exchange row；331, tie point is exchanged；34, insulating layer；4, IGBT power cell；41,IGBT；42, Radiator；5, bus capacitor；6, cooling water channel；7, control panel.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

A kind of power system of electric automobile described in the utility model, including main drive controller, as the electric car Main drive controller embodiment, as shown in Figures 3 to 8, including cabinet 1, driving plate 2, stack bus bar 3, IGBT power cell 4 and mother Line capacitance 5, driving plate 2, stack bus bar 3, IGBT power cell 4 and bus capacitor 5 are arranged in cabinet 1, the IGBT function IGBT41 in rate unit 4 is vertical placement, and the stack bus bar 3 successively includes that exchange row 33, positive busbar 31 and cathode are female Row 32 is equipped with insulating layer between the anode busbar 31 and cathode bus bar 32 and between positive busbar 31 and exchange row 33 34, bus capacitor 5 is soldered on positive busbar 31 and cathode bus bar 32, and IGBT power cell 4 is soldered to positive busbar 31, cathode In busbar 32, exchange row 33 and driving plate 2.IGBT41 is fixed on radiator 42.

IGBT41 in the IGBT power cell 4 of the main drive controller of the electric car is vertical placement, the lamination Positive busbar 31, cathode bus bar 32 and the exchange of busbar 3, which are arranged, carries out electric insulation, stack bus bar 3 by insulating layer 34 between 33 Arrangement is close, and thickness is small, occupies little space, and bus capacitor 5 is soldered on positive busbar 31 and cathode bus bar 32, IGBT power list Member 4 is soldered in positive busbar 31, cathode bus bar 32, exchange row 33 and driving plate 2, and the master of such stack bus bar design controls system Device compact layout, power flow is smooth, each component or assembly module, and assembly is flexible and convenient, and it is wide to adapt to scene.

In the present embodiment, the IGBT power cell 4 and 5 horizontal interval of bus capacitor arrangement, stack bus bar 3 are located at The top of IGBT power cell 4 and bus capacitor 5, driving plate 2 are located at the top of stack bus bar 3.Specifically, the bus capacitor Quantity is two groups, and IGBT power cell quantity is three.To the rational deployment of bus capacitor 5, structure is more compact, saves empty Between, effectively increase power density.

In the present embodiment, the positive busbar 31, cathode bus bar 32 extend tie point with the side of the row of exchange 33 311,321,331, the bus capacitor 5 and IGBT power cell 4 are soldered to 311,321,331 on the tie point, power Extension is simple and is easily achieved.

In the present embodiment, the positive busbar 31, cathode bus bar 32 and the tie point 311,321,331 in the row of exchange 33 Positioned at the same side of stack bus bar 3.Or to be located at lamination female for the tie point 311,321 of the positive busbar 31 and cathode bus bar 32 The same side of row 3, the tie point 331 that exchange arranges on 33 are located at the opposite other side of stack bus bar 3, and assembly is flexible and convenient, fits Answer scene wide, simple and compact for structure, power flow is smooth.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims

1. a kind of main drive controller of electric car, including cabinet, driving plate, stack bus bar, IGBT power cell and bus electricity Hold, which is characterized in that IGBT in the IGBT power cell is vertical placement, the stack bus bar successively include exchange row, Positive busbar and cathode bus bar are equipped with absolutely between the anode busbar and cathode bus bar and between positive busbar and exchange row Edge layer, bus capacitor are soldered on positive busbar and cathode bus bar, IGBT power cell be soldered to positive busbar, cathode bus bar, On exchange row and driving plate.

2. the main drive controller of electric car according to claim 1, which is characterized in that the anode busbar, cathode bus bar Extend tie point with the side of the row of exchange, the bus capacitor and IGBT power cell are soldered on the tie point.

3. the main drive controller of electric car according to claim 2, which is characterized in that the anode busbar, cathode bus bar It is located at the same side of stack bus bar with the tie point in the row of exchange.

4. the main drive controller of electric car according to claim 2, which is characterized in that the anode busbar and cathode bus bar Tie point be located at the same side of stack bus bar, the tie point on exchange row is located at the opposite other side of stack bus bar.

5. a kind of power system of electric automobile, which is characterized in that including the described in any item main drive controllers of claim 1-4.