Motor driving inverter

• US 20010012212A1
• Filed: 01/26/2001
• Published: 08/09/2001
• Est. Priority Date: 01/28/2000
• Status: Active Grant

• Current Assignee: Sanden Corporation (Hisense Home Appliances Group Co., Ltd.)
• Original Assignee: Sanden Corporation (Hisense Home Appliances Group Co., Ltd.)
• Inventors: Ikeda, Hideo
• Granted Patent: US 6,501,662 B2
• Time in Patent Office: Days
• US Class Current: 363/141
• CPC Class Codes: H01L 2924/19105 in a side-by-side arrangement on a common die mounting substrate
• CPC Class Codes: H02M 7/003 Constructional details, e.g. physical layout, assembly, wiring or busbar connections
• CPC Class Codes: H05K 1/144 Stacked arrangements of planar printed circuit boards
• CPC Class Codes: H05K 7/1432 specially adapted for power drive units or power converters
• CPC Class Codes: H05K 7/14322 wherein the control and power circuits of a power converter are arranged within the same casing
• CPC Class Codes: H05K 7/209 Heat transfer by conduction from internal heat source to heat radiating structure H05K7/20909 takes precedence

Abstract

A motor driving inverter comprises a first printed circuit board provided with electronic components, a heat conduction plate made of a metal with high heat conductivity and adhered at one surface to the printed circuit board, thereby supporting the printed circuit board, a heat conduction member made of a material with high heat conductivity and connected to the heat conduction plate, thereby supporting the heat conduction plate, and a box made of a metal with high heat conductivity, accommodating the printed circuit board, the heat conduction plate and the heat conduction member, and connected to the heat conduction member, thereby supporting the heat conduction member.

Claims

1. A motor driving inverter comprising a first printed circuit board provided with electronic components, a heat conduction plate made of a metal with high heat conductivity and adhered at one surface to the printed circuit board, thereby supporting the printed circuit board, a heat conduction member made of a material with high heat conductivity and connected to the heat conduction plate, thereby supporting the heat conduction plate, and a box made of a metal with high heat conductivity, accommodating the printed circuit board, the heat conduction plate and the heat conduction member, and connected to the heat conduction member, thereby supporting the heat conduction member.

2. A motor driving inverter of

claim 1

, wherein a part of the box forms a radiator connected to the heat conduction member to support it.

3. A motor driving inverter of

claim 1

, wherein the electronic components include a semiconductor switching device.

4. A motor driving inverter of

claim 1

, wherein the electronic components include an integrated circuit device.

5. A motor driving inverter of

claim 1

, wherein the heat conduction plate is adhered at the other surface to a second printed circuit board provided with an electronic component liable to be affected by electromagnetic noise, and the electronic components on the first printed circuit board are little affected by electromagnetic noise.

6. A motor driving inverter of

claim 1

, wherein the heat conduction plate is adhered at the other surface to a second printed circuit board provided with an electronic component liable to be affected by electromagnetic noise, and at least one of the electronic components on the first printed circuit board is liable to generate electromagnetic noise.

7. A motor driving inverter of

claim 1

, wherein the heat conduction plate and the heat conduction member are made integral as a unitary member.

8. A motor driving inverter of

claim 5

, wherein the heat conduction plate and the heat conduction member are made integral as a unitary member.

9. A motor driving inverter of

claim 6

, wherein the heat conduction plate and the heat conduction member are made integral as a unitary member.

10. A motor driving inverter comprising a printed circuit board provided with electronic components, a heat conduction plate made of a metal with high heat conductivity and adhered at one surface to the printed circuit board, and a box made of a metal with high heat conductivity and accommodating the printed circuit board and the heat conduction plate, wherein the heat conduction plate is fixed to the box with its the other surface abutting against the box.

11. A motor driving inverter of

claim 10

, wherein a part of the box forms a radiator to which the heat conduction plate is fixed.

12. A motor driving inverter of

claim 10

, wherein the electronic components include a semiconductor switching device.