JP2015049974A5 - Power module and LED lighting - Google Patents

Description

The present invention relates to a power supply module and an LED illumination lamp.

Claims (38)

A substrate having wiring formed at least on the surface and having an opening on at least the surface;
A power supply circuit configured to generate a predetermined voltage by being supported by the substrate and electrically connected to each other by the wiring;
A power supply module comprising:
The power module according to claim 1, wherein the specific electronic component that is at least one of the plurality of electronic components is disposed in the opening and is electrically connected to the wiring of the substrate. The specific electronic component includes a conductive terminal protruding in a direction parallel to the surface of the substrate on at least one side of the side wall,
The specific electronic component and the wiring are connected to each other by the surface of the conductive terminal parallel to the surface of the substrate and facing the surface of the substrate, and the wiring. Power supply module. The power supply module according to claim 2, wherein the conductive terminal and the wiring formed on the surface of the substrate are connected via a conductive material. 4. The power supply module according to claim 1, wherein the specific electronic component includes a first portion facing the inner wall of the opening and a second portion protruding from the opening. 5. The power supply module according to claim 1, wherein among the plurality of electronic components, the one that protrudes most in a direction in which the surface of the substrate faces is the specific electronic component. The power supply module according to claim 1, wherein the opening penetrates the substrate. The power module according to any one of claims 1 to 6, wherein the specific electronic component has a front surface protruding from the opening and a back surface located inside the opening. The power supply module according to claim 1, wherein the plurality of electronic components include at least a diode, a capacitor, and a transformer. The power module according to claim 6, wherein the specific electronic component is a transformer. The power supply module according to claim 1, wherein the substrate has an elongated shape. The power supply module according to claim 10, wherein the substrate has a pair of side frame portions that sandwich the opening in the width direction. The power supply module according to claim 11, wherein a part of the wiring is formed on the surface of each side frame portion. The power supply module according to claim 12, wherein a part of the wiring is formed on a surface opposite to the surface of each side frame portion. The power supply module according to claim 12 or 13, wherein a part of the wiring formed in each side frame portion is a ground wiring. The power module according to claim 2, wherein the specific electronic component has a plurality of the conductive terminals protruding on both sides in the longitudinal direction of the substrate. An LED light emitting unit having a plurality of LED chips;
A power supply unit for supplying power to the LED light emitting unit;
A support member for supporting the LED light emitting unit and the power source unit;
An LED illumination lamp comprising: a tubular translucent cover having an axial direction that houses the LED light emitting unit, the power supply unit, and the support member, and transmits light from the LED light emitting unit,
The power supply unit includes a plurality of electronic components, a mounting surface on which these electronic components are mounted, and a power supply substrate having at least a wiring pattern formed on the mounting surface.
The LED power lamp according to claim 1, wherein the power supply board has a gap that penetrates in a thickness direction and accommodates at least a part of the specific electronic component that is one of the plurality of electronic components. The LED gap lamp according to claim 16 , wherein the gap is a through-hole penetrating the power supply substrate. The LED power lamp according to claim 17 , wherein the power supply board has an elongated shape. The LED power lamp according to claim 18 , wherein the power supply substrate has a pair of side frame portions that sandwich the gap portion in the width direction. The LED illumination lamp according to claim 19 , wherein a part of the wiring pattern is formed on the mounting surface of each side frame portion. The LED illumination lamp according to claim 20 , wherein a part of the wiring pattern is formed on a surface of each side frame portion opposite to the mounting surface. The LED illumination lamp according to claim 20 or 21 , wherein a part of the wiring pattern formed on each side frame portion is a ground wiring. The LED lighting lamp according to any one of claims 19 to 22 , wherein the plurality of electronic components are mounted at positions avoiding the pair of side frame portions. The said specific electronic component is an LED illuminating lamp in any one of Claim 16 thru | or 23 which has the some mounting terminal which protrudes in the longitudinal direction both sides of the said power supply board | substrate. The LED illumination lamp according to claim 24 , wherein the plurality of mounting terminals of the specific electronic component are joined to a portion of the wiring pattern formed on the mounting surface. The LED illumination lamp according to claim 24 or 25 , wherein the specific electronic component is a transformer. The LED illumination lamp according to any one of claims 16 to 26 , wherein among the plurality of electronic components, the one that protrudes most in a direction in which the mounting surface of the power supply board faces is the specific electronic component. The power supply unit has a constant current control circuit that performs constant current control,
It said constant current control circuit has only one converter, LED lighting lamp according to any one of claims 16 to 27. 29. The LED lamp as claimed in claim 28 , wherein the converter is a MOSFET. The above-mentioned LED light emitting portion and the power supply unit, in the direction that is perpendicular to the axial direction, the sides of the support member are located opposite one another, LED lighting lamp according to any one of claims 16 to 29 . The LED illumination lamp according to claim 30 , wherein the power supply unit is configured such that the mounting surface of the power supply substrate faces the support member. The LED illumination lamp according to claim 31 , wherein a white resist layer is provided on a surface of the power supply substrate opposite to the mounting surface. The support member includes a support surface and a bottom plate portion having a back surface, connected to both ends of the bottom plate portion, and has a pair of side plate portions standing upright in the direction in which the back surface faces, one of the claims 30 to 32 The LED lighting as described in Crab. The LED light emitting part is supported on the support surface of the bottom plate part of the support member,
The LED power lamp according to claim 33 , wherein the power supply unit is disposed in a space surrounded by the bottom plate portion and the pair of side plate portions of the support member. The LED illumination lamp according to claim 34 , wherein an insulating sheet is interposed between the back surface of the bottom plate portion of the support member and the power supply portion. 36. The LED illumination lamp according to claim 35 , wherein the insulating sheet is bonded to the back surface of the bottom plate portion. The translucent cover transmits while diffusing the light from the LED light emission unit, LED lighting lamp according to any one of claims 16 to 36. The LED light emitting unit includes an elongated LED substrate that supports the plurality of LED chips,
The LED lighting lamp according to any one of claims 16 to 37 , wherein the plurality of LED chips are arranged along a longitudinal direction of the LED substrate.