# US 2022/0279643 A1 · Electronic component with enclosure frame, circuit board with electronic component, and electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0279643 A1 - Document ID: US20220279643A1 - Status: Published application - Kind: A1 - Application number: 17/747,810 - Filed: 2022-05-18 - Published: 2022-09-01 - Earliest claimed: 2019-11-18 - Assignees: Huawei Digital Power Technologies Co., Ltd. - Applicants: Huawei Digital Power Technologies Co., Ltd. - Inventors: Yang LIU; Feng LIU; Biao HU; Yuxiu LIU - Web page: https://patentgrep.com/patent/US20220279643A1 ## CPC - H05K 1/0203: {Cooling of mounted components (H05K1/0272 takes precedence)} - H05K 7/20918: {the components being isolated from air flow, e.g. hollow heat sinks, wind tunnels or funnels} - H05K 1/181: associated with surface mounted components - H05K 1/182: associated with components mounted in printed circuit boards [PCB], e.g. insert-mounted components [IMC] - H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring} - H05K 7/20145: {Means for directing air flow, e.g. ducts, deflectors, plenum or guides} - H05K 7/2039: {characterised by the heat transfer by conduction from the heat generating element to a dissipating body (arrangements for increasing/decreasing heat-transfer, e.g. fins details, F28F13/00)} - H05K 7/20445: {the coupling element being an additional piece, e.g. thermal standoff} - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS ## Abstract This application relates to the field of electronic device technologies, and provides an electronic component with an enclosure frame, a circuit board with an electronic component, and an electronic device, to effectively protect the circuit board from being corroded, thereby prolonging a service life of the electronic device. This application is applied to a charging pile for charging a new energy electric vehicle. An electronic component with an enclosure frame includes an enclosure frame and an electronic component. The enclosure frame defines a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and the circuit board can define a cavity that is closed or that has one open end. ## Claims ### Claim 1 An electronic component with an enclosure frame, comprising: an enclosure frame, wherein the enclosure frame defines a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and the circuit board can define a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; or when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame, the circuit board, and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; and an electronic component, wherein the electronic component comprises an electronic component body and a pin; at least a first end of the electronic component body is located inside the enclosure frame; the electronic component body is fastened to the enclosure frame; the pin extends out of the electronic component body from the first end of the electronic component body, and extends out of the enclosure frame from a first end of the enclosure frame; and a part that is of the pin and that is located between an end face of the first end of the electronic component body and an end face of the first end of the enclosure frame is located inside the enclosure frame. ### Claim 2 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein a wall of the enclosure frame to which the electronic component body is fastened comprises a heat sink. ### Claim 3 (depends on 2) The electronic component with an enclosure frame according to claim 2, wherein the heat sink comprises: one first heat dissipation plate, wherein the first heat dissipation plate has a first surface and a second surface that deviate from each other, and the electronic component body is fastened to the first surface of the first heat dissipation plate; and a plurality of second heat dissipation plates, wherein the plurality of second heat dissipation plates are thermally connected to the second surface of the first heat dissipation plate, and the plurality of second heat dissipation plates are stacked and are disposed at intervals. ### Claim 4 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the enclosure frame comprises a plurality of side walls, the plurality of side walls define a cylindrical structure with two open ends opposite to each other, and a first open end of the cylindrical structure is the first end of the enclosure frame; and the electronic component body is fastened to a side wall, the end face of the first end of the electronic component body faces towards an opening in the first open end of the cylindrical structure, and the pin extends out of the electronic component body from the first end of the electronic component body, and extends out of the enclosure frame from the opening in the first open end of the cylindrical structure. ### Claim 5 (depends on 4) The electronic component with an enclosure frame according to claim 4, wherein the entire electronic component body is located inside the enclosure frame. ### Claim 6 (depends on 4) The electronic component with an enclosure frame according to claim 4, wherein there are a plurality of electronic components, and the plurality of electronic components comprise at least one first electronic component and at least one second electronic component; and the plurality of side walls comprise a first side wall and a second side wall opposite to each other, an electronic component body of the at least one first electronic component is fastened to the first side wall, and an electronic component body of the at least one second electronic component is fastened to the second side wall. ### Claim 7 (depends on 6) The electronic component with an enclosure frame according to claim 6, wherein the at least one first electronic component and the at least one second electronic component are disposed in a staggered manner. ### Claim 8 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the enclosure frame comprises a bottom wall and a plurality of side walls fastened to the bottom wall and disposed around an edge of the bottom wall, and an end at which an outer surface of the bottom wall is located is the first end of the enclosure frame; and the electronic component body is fastened to a side wall, the end face of the first end of the electronic component body faces towards the bottom wall, and the pin extends out of the electronic component body from the end face of the first end of the electronic component body, and extends out of the enclosure frame after penetrating the bottom wall. ### Claim 9 (depends on 8) The electronic component with an enclosure frame according to claim 8, wherein the enclosure frame is filled with a sealant, and the sealant covers at least a part that is of the pin and that is located between the end face of the first end of the electronic component body and the bottom wall of the enclosure frame. ### Claim 10 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the enclosure frame comprises a bottom wall and a plurality of side walls fastened to the bottom wall and disposed around an edge of the bottom wall, the plurality of side walls comprise a first side wall, and an end at which an outer surface of the first side wall is located is the first end of the enclosure frame; and the entire electronic component body is located inside the enclosure frame, the electronic component body is fastened to the bottom wall, the end face of the first end of the electronic component body faces towards the first side wall, and the pin extends out of the electronic component body from the end face of the first end of the electronic component body, and extends out of the enclosure frame after penetrating the first side wall. ### Claim 11 (depends on 10) The electronic component with an enclosure frame according to claim 10, wherein the enclosure frame is filled with a sealant, and the sealant covers the electronic component body and a part that is of the pin and that is located between the end face of the first end of the electronic component body and the first side wall. ### Claim 12 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the enclosure frame comprises a top wall and a plurality of side walls fastened to the top wall and disposed around an edge of the top wall, ends that are of the plurality of side walls and that are away from the top wall define a first opening, and the ends that are of the plurality of side walls and that are away from the top wall are the first end of the enclosure frame; and the entire electronic component body is located inside the enclosure frame, the electronic component body is fastened to a side wall, the end face of the first end of the electronic component body faces towards the first opening, and the pin extends out of the electronic component body from the end face of the first end of the electronic component body, and extends out of the enclosure frame from the first opening. ### Claim 13 (depends on 12) The electronic component with an enclosure frame according to claim 12, wherein the enclosure frame is filled with a sealant, and the sealant covers the electronic component body and a part that is of the pin and that is located between the end face of the first end of the electronic component body and the first opening. ### Claim 14 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the enclosure frame comprises a top wall and a plurality of side walls fastened to the top wall and disposed around an edge of the top wall, ends that are of the plurality of side walls and that are away from the top wall define a first opening, one end of the enclosure frame in a direction parallel to the top wall defines a second opening, and the ends that are of the plurality of side walls and that are away from the top wall are the first end of the enclosure frame; and the entire electronic component body is located inside the enclosure frame, the electronic component body is fastened to a side wall, the end face of the first end of the electronic component body faces towards the first opening, and the pin extends out of the electronic component body from the end face of the first end of the electronic component body, and extends out of the enclosure frame from the first opening. ### Claim 15 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein there are a plurality of electronic components, electronic component bodies of the plurality of electronic components are fastened to one wall of the enclosure frame, and pins of the plurality of electronic components all extend out of the enclosure frame from the first end of the enclosure frame. ### Claim 16 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein a distance between the end face of the first end of the electronic component body and the end face of the first end of the enclosure frame is 3 to 10 mm. ### Claim 17 (depends on 1) The electronic component with an enclosure frame according to claim 1, wherein the electronic component is a power transistor. ### Claim 18 A circuit board with an electronic component, comprising a circuit board and an electronic component with an enclosure frame, wherein the electronic component with an enclosure frame comprising: an enclosure frame, wherein the enclosure frame defines a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and the circuit board can define a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; or when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame, the circuit board, and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; and an electronic component, wherein the electronic component comprises an electronic component body and a pin; at least a first end of the electronic component body is located inside the enclosure frame; the electronic component body is fastened to the enclosure frame; the pin extends out of the electronic component body from the first end of the electronic component body, and extends out of the enclosure frame from a first end of the enclosure frame; and a part that is of the pin and that is located between an end face of the first end of the electronic component body and an end face of the first end of the enclosure frame is located inside the enclosure frame; the circuit board comprises a first surface and a second surface that deviate from each other, the circuit board is provided with a via, and a pad is disposed at a location that is on the second surface of the circuit board and that corresponds to the via; and the enclosure frame and an electronic component body of the electronic component are located on one side that is of the first surface of the circuit board and that is away from the second surface of the circuit board, an end face of a first end of the enclosure frame is attached and fastened to the first surface of the circuit board, and a pin of the electronic component is welded to the pad after penetrating the via. ### Claim 19 (depends on 18) The circuit board with an electronic component according to claim 18, wherein the enclosure frame comprises a plurality of side walls, the plurality of side walls define a cylindrical structure with two open ends opposite to each other, and a first open end of the cylindrical structure is the first end of the enclosure frame; and the enclosure frame and the circuit board define a cavity with one open end, the cavity is filled with a sealant, and the sealant covers at least a part that is of the pin and that is located between an end face of a first end of the electronic component body and the first surface of the circuit board. ### Claim 20 (depends on 18) The circuit board with an electronic component according to claim 18, wherein the enclosure frame comprises a bottom wall and a plurality of side walls fastened to the bottom wall and disposed around an edge of the bottom wall, the plurality of side walls comprise a first side wall, and an end at which an outer surface of the first side wall is located is the first end of the enclosure frame; and there are an even number of electronic components each with an enclosure frame, every two of the even number of electronic components each with an enclosure frame form a pair of electronic components, and end faces of ends of a plurality of side walls of one electronic component of each pair of electronic components each with an enclosure frame are disposed opposite to those of the other electronic component thereof in an attachment manner, wherein all the ends are away from the bottom wall. ### Claim 21 (depends on 18) The circuit board with an electronic component according to claim 18, wherein the enclosure frame comprises a top wall and a plurality of side walls fastened to the top wall and disposed around an edge of the top wall, ends that are of the plurality of side walls and that are away from the top wall define a first opening, one end of the enclosure frame in a direction parallel to the top wall defines a second opening, and the ends that are of the plurality of side walls and that are away from the top wall are the first end of the enclosure frame; and the enclosure frame and the circuit board define a cavity with one open end, the cavity is filled with a sealant, and the sealant covers the electronic component body and a part that is of the pin and that is located between an end face of a first end of the electronic component body and the first surface of the circuit board. ### Claim 22 (depends on 18) The circuit board with an electronic component according to claim 18, wherein the enclosure frame comprises a top wall and a plurality of side walls fastened to the top wall and disposed around an edge of the top wall, ends that are of the plurality of side walls and that are away from the top wall define a first opening, one end of the enclosure frame in a direction parallel to the top wall defines a second opening, and the ends that are of the plurality of side walls and that are away from the top wall are the first end of the enclosure frame; and there are an even number of electronic components each with an enclosure frame, every two of the even number of electronic components each with an enclosure frame form a pair of electronic components, and end faces of ends that are of enclosure frames of each pair of electronic components each with an enclosure frame and at which second openings are defined are disposed opposite to each other in an attachment manner. ### Claim 23 (depends on 18) The circuit board with an electronic component according to claim 18, wherein a first fence is disposed around an edge of at least a partial region of the first surface of the circuit board, the first fence and the first surface of the circuit board define a groove, and the groove is filled with the sealant. ### Claim 24 (depends on 23) The circuit board with an electronic component according to claim 23, wherein a plug-in connector is disposed on the first surface of the circuit board, and the plug-in connector is located inside the first fence; and a second fence is disposed on the first surface of the circuit board and around the plug-in connector, the second fence is located inside the first fence, the first fence, the second fence, and the first surface of the circuit board define a first groove, the first groove is filled with the sealant, the second fence and the first surface of the circuit board define a second groove, and the second groove is not filled with the sealant. ### Claim 25 (depends on 18) The circuit board with an electronic component according to claim 18, wherein the circuit board with an electronic component is a charging circuit board in a charging pile for charging a new energy electric vehicle. ### Claim 26 An electronic device, comprising: a housing, wherein the housing defines an air duct; a cooling fan, wherein the cooling fan is disposed at one end of the air duct; and a circuit board with an electronic component according, wherein the circuit board with an electronic component is disposed inside the air duct, wherein the circuit board with an electronic component, comprising a circuit board and an electronic component with an enclosure frame, wherein the electronic component with an enclosure frame comprising: an enclosure frame, wherein the enclosure frame defines a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and the circuit board can define a cavity that is closed or that has one open end; when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; or when the electronic component with an enclosure frame is connected to a circuit board, the enclosure frame, the circuit board, and another enclosure frame of another electronic component with the another enclosure frame can define a cavity that is closed or that has one open end; and an electronic component, wherein the electronic component comprises an electronic component body and a pin; at least a first end of the electronic component body is located inside the enclosure frame; the electronic component body is fastened to the enclosure frame; the pin extends out of the electronic component body from the first end of the electronic component body, and extends out of the enclosure frame from a first end of the enclosure frame; and a part that is of the pin and that is located between an end face of the first end of the electronic component body and an end face of the first end of the enclosure frame is located inside the enclosure frame; the circuit board comprises a first surface and a second surface that deviate from each other, the circuit board is provided with a via, and a pad is disposed at a location that is on the second surface of the circuit board and that corresponds to the via; and the enclosure frame and an electronic component body of the electronic component are located on one side that is of the first surface of the circuit board and that is away from the second surface of the circuit board, an end face of a first end of the enclosure frame is attached and fastened to the first surface of the circuit board, and a pin of the electronic component is welded to the pad after penetrating the via. ### Claim 27 (depends on 26) The electronic device according to claim 26, wherein the housing comprises a first side wall; and a second surface of the circuit board is opposite to the first side wall of the housing, a sealing strip is sandwiched between the second surface of the circuit board and the first side wall of the housing, and the sealing strip is disposed around an edge of the second surface of the circuit board. ### Claim 28 An electronic device, comprising: a housing, wherein the housing defines an air duct, and the housing comprises a first side wall; a cooling fan, wherein the cooling fan is disposed at one end of the air duct; and a circuit board with an electronic component, wherein the circuit board with an electronic component is disposed inside the air duct, the circuit board with an electronic component comprises a circuit board and an electronic component connected to the circuit board, the circuit board comprises a first surface and a second surface that deviate from each other, the second surface of the circuit board is opposite to the first side wall of the housing, a sealing strip is sandwiched between the second surface of the circuit board and the first side wall of the housing, and the sealing strip is disposed around an edge of the second surface of the circuit board. ### Claim 29 (depends on 28) The electronic device according to claim 28, wherein a first fence is disposed around an edge of at least a partial region of the first surface of the circuit board, the first fence and the first surface of the circuit board define a groove, and the groove is filled with a sealant. ### Claim 30 (depends on 29) The electronic device according to claim 29, wherein a plug-in connector is disposed on the first surface of the circuit board, and the plug-in connector is located inside the first fence; and a second fence is disposed on the first surface of the circuit board and around the plug-in connector, the second fence is located inside the first fence, the first fence, the second fence, and the first surface of the circuit board define a first groove, the first groove is filled with the sealant, the second fence and the first surface of the circuit board define a second groove, and the second groove is not filled with the sealant.