CN210225931U

CN210225931U - Motor controller

Info

Publication number: CN210225931U
Application number: CN201920490555.7U
Authority: CN
Inventors: Jinyuan Huang; 黄锦元
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-03-31
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a motor controller, including the box, be equipped with the cavity in the box, the cavity bottom is equipped with water-cooling radiator, installs three-phase connector and direct current connector on the lateral wall of box, installs circuit board subassembly, its characterized in that in the cavity: the circuit board assembly comprises a control board, a drive board, a thin film capacitor and an IGBT module, the drive board is installed below the control board, the thin film capacitor and the IGBT module are installed at the bottom of the drive board and located on the same side of the drive board, the water-cooled radiator is tightly attached to the IGBT module, and the thin film capacitor is arranged beside the IGBT module. The motor controller is small in size and low in installation difficulty, and the space utilization rate inside the motor controller is improved.

Description

Motor controller

Technical Field

The utility model relates to a motor controller.

Background

The existing motor controller comprises a box body with a cavity, a water-cooled radiator is arranged at the bottom of the cavity, a three-phase connector and a direct-current connector are mounted on the side wall of the cavity, a circuit board assembly is mounted in the cavity, and the circuit board assembly comprises a control board, a drive board, an IGBT (insulated gate bipolar transistor) and a thin-film capacitor. The IGBT is installed at the bottom of the cavity and is close to the water-cooled radiator, the thin film capacitor is installed above the IGBT, the driving board is installed above the thin film capacitor, and the control board is installed above the driving board. The motor controller with the structure has the advantages of large volume, inconvenient assembly and poor heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor controller for motor controller is bulky among the solution prior art, and the mechanism is not compact, assembles inconvenient, the poor problem of radiating effect.

The technical scheme of the utility model is realized like this:

the utility model provides a pair of motor controller, including the box, be equipped with the cavity in the box, the cavity bottom is equipped with water-cooling radiator, installs three-phase connector and direct current connector on the lateral wall of box, installs circuit board subassembly, its characterized in that in the cavity: the circuit board assembly comprises a control board, a drive board, a thin film capacitor and an IGBT module, the drive board is installed below the control board, the thin film capacitor and the IGBT module are installed at the bottom of the drive board and located on the same side of the drive board, the water-cooled radiator is tightly attached to the IGBT module, and the thin film capacitor is arranged beside the IGBT module.

The driving plate is further provided with a direct current wiring terminal and a three-phase wiring terminal, the direct current wiring terminal is electrically connected with the direct current connector, and the three-phase wiring terminal is electrically connected with the three-phase connector.

The control board is electrically connected with the drive board through the pin header.

And a partition column is arranged between the control plate and the drive plate, wherein part of the partition columns are arranged on two sides of the pin header.

The cavity is internally provided with a patch panel, the patch panel is electrically connected with the control panel through a flat cable, the patch panel is provided with a data connector, and the data connector is arranged on the side wall.

And the driving plate is provided with a Y capacitor assembly and a discharge resistor.

The discharge resistor is formed by connecting a plurality of chip resistors welded on the driving plate in series.

Compared with the prior art, the utility model, there is following advantage:

1. the utility model discloses a film capacitor and IGBT module install in the drive plate bottom and be in drive plate with one side, and water-cooled radiator is hugged closely to the IGBT module, and film capacitor sets up by the IGBT module, has reduced machine controller's volume, and compact structure has reduced the installation degree of difficulty, has improved the inside space utilization of machine controller, and the radiating effect is good.

2. Other advantages are detailed in the detailed description.

Drawings

Fig. 1 is a schematic structural diagram of a motor controller provided by the present invention;

fig. 2 is an exploded view of the motor controller of the present invention;

fig. 3 is a side view of the motor controller of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural diagram of the motor controller of the present invention without the upper cover;

fig. 6 is a schematic structural diagram of a circuit board assembly in the motor controller according to the present invention;

fig. 7 is a schematic structural view of another angle of the circuit board assembly of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 7, the utility model provides a motor controller, including box 1, be equipped with cavity 11 in the box 1, box 1 top is equipped with upper cover 14 and covers cavity 11, and cavity 11 bottom is equipped with water-cooling radiator 12, installs three-phase connector 2 and direct current connector 3 on the lateral wall 13 of box 1, installs circuit board assembly 4, its characterized in that in the cavity 11: the circuit board assembly 4 comprises a control board 41, a driving board 42, a thin film capacitor 43 and an IGBT module 44, wherein the driving board 42 is installed below the control board 41, the thin film capacitor 43 and the IGBT module 44 are installed at the bottom of the driving board 42 and are located on the same side of the driving board 42, the IIGBT module 44 is tightly attached to the water-cooled radiator 12, and the thin film capacitor 43 is arranged beside the IGBT module 44. The thin film capacitor 43 is arranged beside the IGBT module 44, so that the size of the motor controller is reduced, the thin film capacitor 43 and the IGBT module 44 are arranged at the bottom of the drive plate 42, the installation difficulty is reduced, the space utilization rate of the interior of the motor controller is improved, and the heat dissipation effect is ensured.

The driving board 42 is further provided with a dc connection terminal 421 and a three-phase connection terminal 422, the dc connection terminal 421 is electrically connected to the dc connector 3, and the three-phase connection terminal 422 is electrically connected to the three-phase connector 2. The direct current wiring terminal 421 and the direct current connector 3, and the three-phase wiring terminal 422 and the three-phase connector 2 are connected through cables or copper bars, so that the structure is simple, and the connection is convenient.

The control board 41 and the driving board 42 are electrically connected to each other through a pin block 423. The electric connection between the control board 41 and the driving board 42 is strengthened, the structure is compact, and the volume is reduced.

A separation column 413 is arranged between the control plate 41 and the driving plate 42, wherein part of the separation column 413 is arranged at two sides of the pin 423. Two ends of the separation column 413 are fixedly connected with the control plate 41 and the driving plate 42 through fixing screws. The spacers 413 ensure the reliability of the connection between the control board 41 and the driving board 42.

Still install keysets 5 in the above-mentioned cavity 11, keysets 5 and control panel 41 are connected through winding displacement 412 electricity, and keysets 5 is equipped with data connector 51, and data connector 51 is installed on lateral wall 13, compact structure reduces the volume.

The driving board 42 is provided with a Y capacitor assembly and a discharge resistor. The discharge resistor is formed by connecting a plurality of chip resistors welded on the driving plate 42 in series. The Y capacitor assembly and the discharge resistor are arranged on the driving plate 42, so that the integration level is high, the size is reduced, the structure is compact, the installation steps are reduced, and the production is more convenient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a motor controller, includes box (1), is equipped with cavity (11) in box (1), and cavity (11) bottom is equipped with water-cooling radiator (12), installs three-phase connector (2) and direct current connector (3) on lateral wall (13) of box (1), installs circuit board subassembly (4), its characterized in that in cavity (11): the circuit board assembly (4) comprises a control board (41), a driving board (42), a thin film capacitor (43) and an IGBT module (44), the driving board (42) is installed below the control board (41), the thin film capacitor (43) and the IGBT module (44) are installed at the bottom of the driving board (42) and located on the same side of the driving board (42), the IGBT module (44) is tightly attached to the water-cooling radiator (12), and the thin film capacitor (43) is arranged beside the IGBT module (44).

2. A motor controller according to claim 1, wherein: still install direct current binding post (421) and three-phase binding post (422) on drive plate (42), direct current binding post (421) are connected with direct current connector (3) electricity, and three-phase binding post (422) are connected with three-phase connector (2) electricity.

3. A motor controller according to claim 2, wherein: the control board (41) is electrically connected with the driving board (42) through a pin header (423).

4. A motor controller according to claim 3, wherein: a partition column (413) is arranged between the control plate (41) and the driving plate (42), wherein part of the partition column (413) is arranged on two sides of the pin header (423).

5. A motor controller according to claim 4, wherein: still install keysets (5) in cavity (11), keysets (5) are connected through winding displacement (412) electricity with control panel (41), and keysets (5) are equipped with data connector (51), and data connector (51) are installed on lateral wall (13).

6. A motor controller according to any one of claims 1 to 5, wherein: and the driving plate (42) is provided with a Y capacitor assembly and a discharge resistor.

7. A motor controller according to claim 6, wherein: the discharge resistor is formed by connecting a plurality of chip resistors welded on the driving plate (42) in series.