# US 2015/0146375 A1 · Power conversion device and power conversion assembly > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2015/0146375 A1 - Document ID: US20150146375A1 - Status: Published application - Kind: A1 - Application number: 14/521,480 - Filed: 2014-10-23 - Published: 2015-05-28 - Earliest claimed: 2013-11-26 - Assignees: Delta Electronics (Shanghai) Co., Ltd. - Applicants: Delta Electronics (Shanghai) Co., Ltd. - Inventors: Xing-Xian LU; Pei-Ai YOU; Gang LIU; Jin-Fa ZHANG - Web page: https://patentgrep.com/patent/US20150146375A1 ## CPC - H05K 7/14322: {wherein the control and power circuits of a power converter are arranged within the same casing} - H05K 1/0203: {Cooling of mounted components (H05K1/0272 takes precedence)} - H05K 1/181: associated with surface mounted components - H05K 7/142: {Spacers not being card guides} - H05K 7/20181: {Filters; Louvers} - H05K 7/20863: {Forced ventilation, e.g. on heat dissipaters coupled to components} - H05K 7/2089: {for power electronics, e.g. for inverters for controlling motor} - H05K 7/209: {Heat transfer by conduction from internal heat source to heat radiating structure (H05K7/20909 takes precedence)} - H05K 7/20927: {Liquid coolant without phase change} - H05K 2201/10015: Non-printed capacitor - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract A power conversion device is provided. The power conversion device includes a printed wiring board assembly, a grounding member, and a plurality of insulating struts. The printed wiring board assembly includes a printed circuit board and a plurality of electronic components. The printed circuit board has a plurality of through holes. The electronic components are disposed on the printed circuit board. The insulating struts correspond to the through holes and physically connect and electrically insulate the printed circuit board and the grounding member. ## Claims ### Claim 1 A power conversion device, comprising: a printed wiring board assembly, comprising: a printed circuit board having a plurality of through holes; and a plurality of electronic components disposed on the printed circuit board; a grounding member; and a plurality of insulating struts corresponding to the through holes and physically connecting and electrically insulating the printed circuit board and the grounding member. ### Claim 2 (depends on 1) The power conversion device of claim 1, wherein each of the insulating struts comprises a first connecting part, a second connecting part, and a plastic part partially covering the first connecting part and the second connecting part. ### Claim 3 (depends on 2) The power conversion device of claim 2, wherein the first connecting part and the second connecting part are separated by the plastic part. ### Claim 4 (depends on 1) The power conversion device of claim 1, wherein the grounding member comprises a heat-dissipating base, and at least one of insulating struts physically connects and electrically insulates the printed circuit board and the heat-dissipating base. ### Claim 5 (depends on 4) The power conversion device of claim 4, wherein the heat-dissipating base comprises a case and a fluid passage disposed in the case. ### Claim 6 (depends on 4) The power conversion device of claim 4, wherein the heat-dissipating base comprises a case and a fin set disposed in the case. ### Claim 7 (depends on 4) The power conversion device of claim 4, wherein the grounding member further comprises a heat-dissipating member. ### Claim 8 (depends on 7) The power conversion device of claim 7, further comprising: a clamping member fixed to the heat-dissipating member, wherein the electronic component is clamped between the heat-dissipating member and the clamping member and is uprightly disposed on the printed circuit board. ### Claim 9 (depends on 7) The power conversion device of claim 7, wherein the heat-dissipating member comprises a plurality of fixing portions, some of the insulating struts fix the printed circuit board to the fixing portions. ### Claim 10 (depends on 7) The power conversion device of claim 7, wherein the heat-dissipating member contacts the heat-dissipating base. ### Claim 11 (depends on 1) The power conversion device of claim 1, wherein the power conversion device is a vehicle power conversion device. ### Claim 12 A printed wiring board assembly, comprising: a printed circuit board; a plurality of electronic components disposed on the printed circuit board; and a restricting member having a body and an opening disposed in the body, wherein the electronic components are disposed in the opening. ### Claim 13 (depends on 12) The printed wiring board assembly of claim 12, wherein the electronic components are capacitors. ### Claim 14 (depends on 12) The printed wiring board assembly of claim 12, wherein the material of the restricting member is metal or plastic. ### Claim 15 (depends on 12) The printed wiring board assembly of claim 12, wherein the restricting member further comprises a plurality of baffles. ### Claim 16 (depends on 15) The printed wiring board assembly of claim 15, wherein every two of the baffles are disposed opposite to each other and on an edge of the opening, and ends of the baffles distant from the body tilt toward a center of the opening. ### Claim 17 (depends on 12) The printed wiring board assembly of claim 12, wherein the printed wiring board assembly is applied to a vehicle power conversion device. ### Claim 18 A power conversion device, comprising: a printed circuit board; a plurality of first electronic components disposed on the printed circuit board; a restricting member having a body and an opening disposed in the body, wherein the first electronic components are disposed in the opening; and a heat-dissipating member fixed to the printed circuit board and electrically insulated from the restricting member. ### Claim 19 (depends on 18) The power conversion device of claim 18, further comprising: a clamping member; and a plurality of second electronic components disposed on the printed circuit board, wherein the clamping member is fixed to the heat-dissipating member, for fixing the second electronic components, so that the second electronic components are uprightly disposed on the printed circuit board. ### Claim 20 (depends on 19) The power conversion device of claim 19, wherein the first electronic components are capacitors and the second electronic components are power devices. ### Claim 21 (depends on 18) The power conversion device of claim 18, wherein the material of the restricting member is metal or plastic. ### Claim 22 (depends on 18) The power conversion device of claim 18, further comprising a plurality of insulating struts physically connecting and electrically insulating the restricting member and the heat-dissipating member. ### Claim 23 (depends on 18) The power conversion device of claim 18, further comprising: a heat-dissipating base; and a plurality of insulating struts, for physically connecting and electrically insulating the printed circuit board and the heat-dissipating base. ### Claim 24 (depends on 23) The power conversion device of claim 23, wherein each of the insulating struts comprises a first connecting part, a second connecting part, and a plastic part partially covering the first connecting part and the second connecting part. ### Claim 25 (depends on 23) The power conversion device of claim 23, wherein the heat-dissipating member contacts the heat-dissipating base. ### Claim 26 (depends on 25) The power conversion device of claim 25, wherein the heat-dissipating base comprises a case and a fluid passage disposed in the case. ### Claim 27 (depends on 25) The power conversion device of claim 25, wherein the heat-dissipating base comprises a case and a fin set disposed in the case. ### Claim 28 (depends on 18) The power conversion device of claim 18, further comprising a plurality of insulating struts physically connecting and electrically insulating the printed circuit board and the heat-dissipating member. ### Claim 29 (depends on 28) The power conversion device of claim 28, wherein each of the insulating struts comprises a first connecting part, a second connecting part, and a plastic part partially covering the first connecting part and the second connecting part. ### Claim 30 (depends on 22) The power conversion device of claim 22, wherein each of the insulating struts comprises a first connecting part, a second connecting part, and a plastic part partially covering the first connecting part and the second connecting part. ### Claim 31 (depends on 18) The power conversion device of claim 18, wherein the restricting member further comprises a plurality of coupling portions uprightly disposed on the body, the heat-dissipating member comprises a plurality of coupling holes corresponding to the coupling portions, and the coupling portions are coupled in the coupling holes. ### Claim 32 (depends on 18) The power conversion device of claim 18, wherein the restricting member further comprises a plurality of baffles. ### Claim 33 (depends on 32) The power conversion device of claim 32, wherein every two of the baffles are disposed opposite to each other and on an edge of the opening, and ends of the baffles distant from the body tilt toward a center of the opening. ### Claim 34 (depends on 18) The power conversion device of claim 18, wherein the power conversion device is a vehicle power conversion device.