摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
A lightweight radio/CD player for vehicular application is virtually "fastenerless" and includes a case and frontal interface formed of polymer based material that is molded to provide details to accept audio devices such as playback mechanisms (if desired) and radio receivers, as well as the circuit boards required for electrical control and display. The case and frontal interface are of composite structure, including an insert molded electrically conductive wire mesh screen that has been pre-formed to contour with the molding operation. The wire mesh provides EMC, RFI, BCI and ESD shielding and grounding of the circuit boards via exposed wire mesh pads and adjacent ground clips. The PCB architecture is bifurcated into a first board carrying common circuit components in a surface mount configuration suitable for high volume production, and a second board carrying application specific circuit components in a wave soldered stick mount configuration. The major components and subassemblies are self-fixturing during the final assembly process, eliminating the need for dedicated tools, fixtures and assembly equipment. The major components and subassemblies self-interconnect by integral guide and connection features effecting "slide lock" and "snap lock" self-interconnection. The radio architecture includes improved push buttons employing 4-bar living hinge linkage and front loaded decorative trim buttons.
摘要:
An electrical enclosure system for transferring heat from a closed environment, includes an electrical device (102) having a heat-generating part, and a polymer-based ventless housing (100, 200) for protecting the electrical device from environmental contaminants. The ventless housing fully encloses the electrical device and includes a base layer (206) forming an impact-resistant portion of the ventless housing. The base layer includes one or more open areas in close proximity to the heat-generating part. The ventless housing further includes an integrated thermally conductive layer (106, 208) that forms a heat-flow path for conducting heat away from the heat-generating part towards an exterior environment. The integrated thermally conductive layer is molded around the base layer such that portions of the integrated thermally conductive layer cover the open areas of the base layer.
摘要:
Leiterplatteneinheit, umfassend: eine Leiterplatte (2) mit darauf gelöteten oberflächenmontierbaren Bauelementen (1, 17), auf der Leiterplatte (2) in Wärmeleitungsbereichen angeordnete thermisch belastete oberflächenmontierbare Leistungselemente (1), wobei die Wärmeleitungsbereiche metallische Durchkontaktierungen zur Wärmeleitung aufweisen,eine thermisch leitende und elektrisch isolierende Schicht (3), die zwischen den oberflächenmontierbaren Leistungselementen (1) und einem oder mehreren Kühlkörpern (4) im Bereich der Durchkontaktierungen angeordnet ist, wobei die oberflächenmontierbaren Leistungselemente mit wenigstens einem elastischen Clip (5) über die zwischenliegende Leiterplatte (2) derart gegen den oder die mehreren Kühlkörper (4) angepresst werden, dass die von den oberflächenmontierbaren Leistungselementen (1) erzeugte Wärme über die Durchkontaktierungen zu den Kühlkörpern (4) abgeleitet wird.
摘要:
L'invention concerne un boitier (100) en profilé extrudé métallique pour la fabrication d'un dispositif électronique de puissance étanche multi-positions (200), le profilé extrudé formant un tunnel de section fermée substantiellement rectangulaire muni d'ailettes (110) sur au moins un coté du rectangle (102,104), ces ailettes (110) autorisant, à l'extérieur du boitier (100), la circulation de l'air par convection naturelle dans la direction d'extrusion (X), un coté (101) non muni d'ailettes étant destiné à servir de base de fixation du boitier (100) et de support pour des composants électroniques de puissance du dispositif électronique de puissance (200). Selon l'invention, les ailettes (110) sont usinées transversalement à la direction d'extrusion (X) pour former des créneaux (111) dans les ailettes (110), ces créneaux (111) étant alignés les uns à la suite des autres dans une direction, dite optimale (OP), faisant un angle avec la direction d'extrusion (X) optimisé en fonction d'une direction d'installation préférentielle prédéterminée et ces créneaux (111) étant d'une géométrie telle qu'ils autorisent, à l'extérieur du boitier (100), la circulation de l'air par convection naturelle dans la direction optimale (OP).