CN212935717U

CN212935717U - Motor control box for electric air-conditioning compressor

Info

Publication number: CN212935717U
Application number: CN202020676167.0U
Authority: CN
Inventors: 叶一豪; 牛敬彬; 张臻; 符胜高
Original assignee: Anhui Shouzhi New Energy Technology Co ltd
Current assignee: Anhui Shouzhi New Energy Technology Co ltd; Jiangsu Shouzhi New Energy Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-04-09
Anticipated expiration: 2030-04-28

Abstract

The utility model provides a pair of motor control box for electric air condition compressor, a serial communication port, include: the controller comprises a controller shell, a heat dissipation insulating device, an IGBT (insulated gate bipolar transistor), a three-phase connector, a high-voltage inductor, a high-voltage capacitor, a control board and a controller shell cover; the control panel is arranged on the controller shell; the controller shell is also provided with a heat dissipation part, the IGBT transistor is fixed on the heat dissipation part, and the heat dissipation insulating device is arranged between the IGBT and the heat dissipation part; the high-voltage inductor is fixed on the controller shell, and a damping device is arranged between the high-voltage inductor and the controller shell; the high-voltage capacitor is placed in a capacitor clamping groove preset on the controller shell, and a heat dissipation and shock absorption device is placed between the high-voltage capacitor and the controller shell. The utility model discloses have good cooling performance, good anti-seismic performance, good leakproofness, higher inner space utilization and better commonality, can satisfy the various complicated changeable operating modes that electric automobile during operation met.

Description

Motor control box for electric air-conditioning compressor

Technical Field

The utility model relates to an electric air condition compressor technical field especially relates to an electric air condition compressor motor control box.

Background

As an indispensable important part of an electric vehicle, an air conditioner of the electric vehicle is adopted, and with the widespread production and manufacturing of the electric vehicle, consumers gradually use the comfort level of indoor air of the electric vehicle and the safety and reliability of the electric vehicle as an important selection basis when purchasing the electric vehicle. The electric air conditioner has a set of efficient energy-saving and good-performance electric air conditioner configuration, and undoubtedly provides great help for the electric automobile to develop the market for sale.

In the prior art, the motor control device for the existing electric air-conditioning compressor adopts an integrated IGBT module, so that the cost is high, the reliability is poor, meanwhile, a control panel and a three-phase binding post are connected into a common lead, the common lead has small current-carrying capacity, large occupied space and poor heat dissipation performance, and in the assembly process, the assembly process is complex, the required assembly time is long, and the consistency and the anti-seismic performance of a product are poor; the high-voltage capacitor and the high-voltage inductor are directly welded on the control board, so that the anti-seismic effect is poor, and the occupied space is large; the controller shell can only match one connector, and the universality is poor.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides an electric air condition is motor control box for compressor.

The utility model provides a pair of motor control box for electric air condition compressor, a serial communication port, include: the controller comprises a controller shell, a heat dissipation insulating device, an IGBT (insulated gate bipolar transistor), a three-phase connector, a high-voltage inductor, a high-voltage capacitor, a control board and a controller shell cover;

the control panel is arranged on the controller shell; the controller shell is also provided with a heat dissipation part, the IGBT transistor is fixed on the heat dissipation part, and the heat dissipation insulating device is arranged between the IGBT and the heat dissipation part; the high-voltage inductor is fixed on the controller shell, and a damping device is arranged between the high-voltage inductor and the controller shell; the high-voltage capacitor is placed in a capacitor clamping groove preset on the controller shell, and a heat dissipation and shock absorption device is placed between the high-voltage capacitor and the controller shell;

the controller shell cover is matched with the controller shell to form a closed cavity for packaging the heat dissipation insulating device, the IGBT transistor, the high-voltage inductor, the high-voltage capacitor and the control board;

the controller shell is provided with a plurality of connectors positioned outside the cavity, and the control panel is connected with the input connectors and used for acquiring external signals; the three-phase connector is installed on the controller casing, and the control panel passes through the three-phase connector and connects the motor.

Preferably, the high-voltage capacitor is formed by connecting four single capacitors in two parallel and two series.

Preferably, the capacitor clamping groove is provided with a buckle, and the single capacitor is fixedly installed in the capacitor clamping groove through the buckle.

Preferably, the capacitor card slot and the three-phase connector are integrally formed.

Preferably, the controller housing is die cast.

Preferably, the high-voltage inductor is fixed on the controller housing by bolts.

Preferably, the damping device is damping foam.

Preferably, the heat dissipation and shock absorption device is a silica gel pad.

Preferably, the heat dissipation insulating device is heat dissipation insulating paper.

Preferably, a sealing device is arranged between the controller shell cover and the controller shell.

The utility model provides a motor control box for electric air condition compressor, fixes the IGBT transistor on the heat abstractor, and adopts the three-phase connector to connect the motor, has guaranteed good conductivity and thermal diffusivity; through the arrangement of the plurality of connectors, the controller shell can be compatible with the connectors of a plurality of models, the controller can meet the requirements of a plurality of customers, and the universality is ensured; through the reasonable layout of the high-voltage capacitor, the high-voltage inductor, the heat dissipation and shock absorption device and the shock absorption device, the high internal space utilization rate, the good heat dissipation performance and the good shock resistance are ensured.

To sum up, the utility model provides an electric air condition is motor control box for compressor has good cooling performance, good anti-seismic performance, good leakproofness, higher inner space utilization and better commonality, can satisfy the various complicated changeable operating modes that electric automobile during operation met.

Drawings

Fig. 1 is a structural diagram of a motor control box for an electric air conditioner compressor according to the present invention.

Detailed Description

Referring to fig. 1, the utility model provides a motor control box for electric air condition compressor, include: the controller comprises a controller shell 1, a heat dissipation insulating device 3, an IGBT transistor 4, a three-phase connector 6, a high-voltage inductor 8, a high-voltage capacitor 9, a control board 10 and a controller shell cover 11.

The controller shell cover 11 is matched with the controller shell 1 to form a closed cavity, and the heat dissipation insulating device 3, the IGBT transistor 4, the high-voltage inductor 8, the high-voltage capacitor 9 and the control board 10 are all packaged in the cavity.

In the present embodiment, the top of the controller housing 1 is open, and the controller housing cover 11 covers the open and is sealed by the sealing device 7, so that the sealing performance of the device is ensured. In addition, in the present embodiment, the controller case 1 is provided with a heat dissipation device, which ensures good heat dissipation of the controller.

The control board 10 is mounted on the controller case 1. The controller shell 1 is also provided with a heat dissipation part, the IGBT transistor 4 is fixed on the heat dissipation part, and the heat dissipation insulation device 3 is arranged between the IGBT and the heat dissipation part. Specifically, in the present embodiment, the heat radiation insulating device 3 uses heat radiation insulating paper.

Specifically, in the present embodiment, the control board 10 is disposed above the IGBT transistor 4 and fixed to the controller housing 1 by a fastener, so as to ensure stable installation.

The high-voltage inductor 8 is fixed on the controller housing 1, and specifically, the high-voltage inductor 8 is fixed on the controller housing 1 through a bolt. A damping device is arranged between the high-voltage inductor 8 and the controller shell 1, and the damping device can be made of damping foam.

The high-voltage capacitor 9 is placed in a capacitor clamping groove preset on the controller shell 1, and the heat dissipation and shock absorption device 5 is placed between the high-voltage capacitor 9 and the controller shell 1. Specifically, in this embodiment, the high-voltage capacitor 9 is formed by connecting four single capacitors in two parallel and two series. Be provided with the buckle on the capacitor card groove, monomer electric capacity passes through buckle fixed mounting in the capacitor card groove. The heat dissipation and shock absorption device 5 is a silica gel pad.

In this embodiment, the capacitor card slot is integrally formed with the three-phase connector 6. In specific implementation, the controller housing 1 is made of die casting.

And the arrangement of the damping device and the heat dissipation damping device 5 ensures good shock resistance and heat dissipation. In particular, the method comprises the following steps of,

the controller shell 1 is provided with a plurality of connectors 2 positioned outside the cavity, and the control panel 10 is connected with the input connectors for obtaining external signals. Specifically, in the present embodiment, the connector 2 includes a high-voltage dc input connector and a weak signal input connector. In this embodiment, in order to ensure the safety of the control box, the connectors 2 are all waterproof connectors.

The three-phase connector 6 is installed on the controller case 1, and the control board 10 is connected to the motor through the three-phase connector 6, thereby controlling the motor. The three-phase connector 6 ensures good electrical conductivity and heat dissipation.

The above description is only the specific implementation of the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electric air condition is motor control box for compressor which characterized in that includes: the device comprises a controller shell (1), a heat dissipation insulating device (3), an IGBT (insulated gate bipolar transistor) transistor (4), a three-phase connector (6), a high-voltage inductor (8), a high-voltage capacitor (9), a control board (10) and a controller shell cover (11);

the control panel (10) is arranged on the controller shell (1); the controller shell (1) is also provided with a heat dissipation part, the IGBT transistor (4) is fixed on the heat dissipation part, and the heat dissipation insulating device (3) is arranged between the IGBT and the heat dissipation part; the high-voltage inductor (8) is fixed on the controller shell (1), and a damping device is arranged between the high-voltage inductor (8) and the controller shell (1); the high-voltage capacitor (9) is placed in a capacitor clamping groove preset on the controller shell (1), and the heat dissipation and shock absorption device (5) is placed between the high-voltage capacitor (9) and the controller shell (1);

the controller shell cover (11) is matched with the controller shell (1) to form a sealed cavity for packaging the heat dissipation insulating device (3), the IGBT transistor (4), the high-voltage inductor (8), the high-voltage capacitor (9) and the control board (10);

the controller shell (1) is provided with a plurality of connectors (2) positioned outside the cavity, and the control panel (10) is connected with the input connectors and used for acquiring external signals; the three-phase connector (6) is arranged on the controller shell (1), and the control panel (10) is connected with the motor through the three-phase connector (6).

2. The motor control box for the electric air-conditioning compressor as claimed in claim 1, characterized in that the high-voltage capacitor (9) is composed of four single capacitors connected in two-in-two series.

3. The motor control box for the electric air conditioner compressor as claimed in claim 2, wherein the capacitor card slot is provided with a buckle, and the single capacitor is fixedly installed in the capacitor card slot through the buckle.

4. The motor control box for electric air conditioner compressor according to claim 3, characterized in that the capacitor card slot is integrally formed with the three-phase connector (6).

5. The motor control box for electric air conditioner compressor as claimed in claim 4, wherein the controller housing (1) is die cast.

6. The motor control box for the electric air conditioner compressor according to claim 1, wherein the high voltage inductor (8) is fixed to the controller case (1) by bolts.

7. The motor control box for the electric air conditioner compressor as claimed in claim 1, wherein the shock absorbing means is a shock absorbing foam.

8. The motor control box for the electric air conditioner compressor as claimed in claim 1, wherein the heat dissipation and shock absorption device (5) is a silica gel pad.

9. The motor control box for electric air conditioner compressor according to claim 1, characterized in that the heat dissipating insulation means (3) is heat dissipating insulation paper.

10. Motor control box for electric air conditioning compressors according to claim 1, characterized in that sealing means (7) are provided between the controller cover (11) and the controller housing (1).