CN205430807U - Machine controller structure for electric automobile of integrated multiple functions - Google Patents

Abstract

The utility model relates to a motor controller structure for an electric vehicle integrating multiple functions, comprising a heat dissipation base plate, a side plate with a roughly "mouth"-shaped outer contour is installed upward on the heat dissipation base plate, a cover plate is installed upward on the side plate, a heat dissipation base plate, a side plate The board and the cover board together form a closed cavity, and the isolation board divides the cavity into upper and lower layers. The MCU function module control board, insulation detector, and CAN function module are arranged on the isolation board, and the three are located in the upper space In the cavity; the MCU functional module, DCDC functional module, and DCAC functional module are arranged on the heat dissipation substrate, and the three are jointly located in the lower cavity. The utility model integrates each functional module in the same shell structure, and the shell is jointly surrounded by a heat dissipation base plate, a side plate and a cover plate, which saves installation space, shortens the connection distance between each functional module, and facilitates each The connection between the functional modules reduces the external signal interference between each functional module and further reduces the cost of the whole machine.

Description

A motor controller structure for electric vehicles integrating multiple functions

technical field

The utility model relates to the technical field of new energy electric vehicles, in particular to a motor controller structure for electric vehicles integrating multiple functions.

Background technique

At present, the entire field of electric vehicles has higher and higher requirements for battery life, and OEMs have higher and higher requirements for the weight of the vehicle and the compactness of the layout of the vehicle. The field of new energy vehicles is a new field. Manufacturers started late, and there are certain limitations in technology. Therefore, they currently adopt a separate supply mode. MCU function modules, DCDC function modules, and high-voltage junction box function modules are all supplied independently. The machine manufacturer coordinates the installation and commissioning in a unified manner. When the size of the vehicle is fixed, the components scattered in various positions of the vehicle occupy the space of the battery, resulting in the battery life failing to meet customer needs; in addition, since each functional module is scattered in the vehicle, the low-voltage communication between each module The signal is also easily disturbed by the external environment and affects the quality of the vehicle.

Utility model content

The purpose of this utility model is to provide an integrated multi-function that saves installation space, shortens the connection distance between each functional module, facilitates the connection between each functional module, and reduces the external signal interference between each functional module. Motor controller structure for electric vehicles.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a motor controller structure for electric vehicles integrating multiple functions, including a heat dissipation substrate, the heat dissipation substrate is installed upward with a side plate with a roughly "mouth" shape, and the side plate The cover plate is installed upwards, and the heat dissipation base plate, side plate and cover plate together form a closed cavity. The isolation plate divides the cavity into upper and lower layers. The MCU function module control board, insulation detector, and CAN function board, and the three are co-located in the upper cavity; the MCU functional module, DCDC functional module, and DCAC functional module are arranged on the heat dissipation substrate, and the three are co-located in the lower cavity.

The side plate is a sheet metal shell, and its inner edge is welded with a bracket for fixing the isolation plate, and the isolation plate and the bracket are fixed by bolt connection.

It also includes a junction box and a manual maintenance switch. The junction box is composed of a junction box body and a junction box cover. The junction box body and the manual maintenance switch are installed on the same side of the side plate and are located in front of the controller. The junction box The high-voltage terminal fixing seat and the fuse are installed in the box body.

High and low voltage connectors and indicator lights are arranged on the side of the side plate.

The shape of the separating plate is roughly Z-shaped, and its upper plate surface is higher than the lower plate surface.

It can be seen from the above technical solution that the utility model breaks the structural mode of the existing controller, and integrates each functional module inside the same shell structure, and the shell is jointly surrounded by a heat dissipation base plate, a side plate and a cover plate, which saves The installation space shortens the connection distance between each functional module, facilitates the connection between each functional module, reduces the external signal interference between each functional module, and further reduces the cost of the whole machine; in addition, the fuse and the high-voltage terminal Arranged inside the junction box body, it is convenient for subsequent fuse replacement and customer wiring.

Description of drawings

Fig. 1 is the top view of the utility model;

Fig. 2 is A-A sectional view of Fig. 1;

Fig. 3 is a schematic diagram of the external structure of the utility model;

Fig. 4 is a schematic diagram of the installation structure of each module located in the upper cavity of the utility model;

Fig. 5 is a schematic diagram of the installation structure of each module located in the lower cavity of the utility model;

Fig. 6 is a schematic view of the structure of the utility model except for the box body of the junction box.

detailed description

As shown in Figures 1, 2, 3, 4, and 5, a motor controller structure for electric vehicles that integrates multiple functions includes a heat dissipation substrate 1, and the heat dissipation substrate 1 is installed upward with a side plate with a roughly "mouth" shape. 2. The side plate 2 is installed with the cover plate 3 upwards. The heat dissipation substrate 1, the side plate 2 and the cover plate 3 together form a closed cavity. The isolation plate 4 divides the cavity into upper and lower layers. The MCU function module 8 controls the board 5 , the insulation detector 6, and the CAN functional module 7 are arranged on the isolation board 4, and the three are located in the upper cavity together; the MCU functional module 8, the DCDC functional module 9, and the DCAC functional module 10 are arranged on the heat dissipation substrate 1, and the three Both are located in the cavity of the lower layer, and the high and low voltage connectors and indicator lights are arranged on the side of the side plate 2 .

As shown in FIG. 2 , the side plate 2 is a sheet metal shell, and a bracket for fixing the isolation plate 4 is welded on its inner edge, and the isolation plate 4 and the bracket are fixed by bolt connection. The shape of the separating plate 4 is roughly Z-shaped, and its upper plate surface is higher than the lower plate surface. Using the principle of layered and sub-cavity layout, the controller is isolated into two layers through the isolation plate 4, namely the upper cavity and the lower cavity.

As shown in Figure 6, it also includes a junction box 11 and a manual maintenance switch 12, the junction box 11 is composed of a junction box body 13 and a junction box cover 14, and the junction box body 13 and the manual maintenance switch 12 are installed on the side panel 2 on the same side and in front of the controller for easy servicing. A high voltage connection terminal fixing seat 15 and a fuse 16 are installed in the junction box body 13 . The junction box 11 is fixed on the outside of the controller side plate 2 by screws to form an independent junction box cavity.

The side plate 2, the cover plate 3, the junction box body 13, the junction box cover plate 14 and the heat dissipation substrate 1 form a sealed cavity through screws, and the isolation plate 4 and the junction box 11 divide the internal space into 3 independent cavities, namely the upper layer cavities, lower cavities and junction box cavities. The MCU functional module 8, DCDC functional module 9, and DCAC functional module 10 are arranged on the heat dissipation substrate 1 inside the lower cavity, and the insulation detector 6, CAN functional module 7 and MCU functional module control board 5 are fixed on the isolation inside the upper cavity. On the board 4; the high-voltage terminal fixing seat 15 and the fuse 16 are fixed inside the cavity of the junction box. The entire junction box 11 is fixed in front of the controller side panel 2 by screws; the manual maintenance switch 12 and the junction box 11 are fixed side by side in front of the controller side panel 2, and the wiring and fuse can be completed by opening the junction box cover 14 later. 16 later replacement, easy maintenance and installation.

In summary, the utility model integrates each functional module in the same shell structure, and the shell is jointly surrounded by the heat dissipation substrate 1, the side plate 2 and the cover plate 3, which saves installation space and shortens the time of each functional module. The connection distance between each function module is convenient, the signal interference between each function module is reduced, and the cost of the whole machine is further reduced.

Claims (5)

1. A motor controller structure for electric vehicles integrating multiple functions, characterized in that: it includes a heat dissipation substrate (1), and the heat dissipation substrate (1) is upwardly mounted with a side plate (2) whose outer contour is roughly in the shape of a "mouth", The side plate (2) installs the cover plate (3) upwards, and the heat dissipation substrate (1), side plate (2) and cover plate (3) together form a closed cavity, and the isolation plate (4) divides the cavity into upper and lower Two layers, the MCU function module (8), the control board (5), the insulation detector (6), and the CAN function module (7) are arranged on the isolation board (4), and the three are located in the upper cavity together; the MCU function module (8), the DCDC functional module (9), and the DCAC functional module (10) are arranged on the heat dissipation substrate (1), and the three are jointly located in the lower cavity. 2. The motor controller structure for electric vehicles integrating multiple functions according to claim 1, characterized in that: the side plate (2) is a sheet metal shell, and its inner edge is welded to fix and install the isolation plate The bracket of (4), the isolation plate (4) and the bracket are fixed by bolt connection. 3. The motor controller structure for electric vehicles integrating multiple functions according to claim 1, characterized in that: it also includes a junction box (11) and a manual maintenance switch (12), and the junction box (11) is composed of a junction box box Body (13) and junction box cover (14), the junction box body (13) and the manual maintenance switch (12) are installed on the same side of the side plate (2) and located in front of the controller, the junction box A high-voltage terminal fixing seat (15) and a fuse (16) are installed in the box body (13). 4. The motor controller structure for electric vehicles integrating multiple functions according to claim 1, characterized in that: high and low voltage connectors and indicator lights are arranged on the side of the side plate (2). 5. The motor controller structure for electric vehicles integrating multiple functions according to claim 1, characterized in that: the shape of the isolation plate (4) is roughly Z-shaped, and the upper plate surface is higher than the lower plate surface.