JPH0513173A - Electric device and illumination apparatus - Google Patents

Abstract

PURPOSE:To miniaturize a device. CONSTITUTION:Multiple bases 13, 14, 15 are integrally molded, and electric parts 11 are fitted. The base 15 is separated from the bases 13, 14 and is arranged nearly perpendicularly to them. The electric parts 11 are fitted only on the outside of the base 15. Since the base 15 is arranged nearly perpendicularly, the space is effectively utilized, and a device is miniaturized. The insulation distance among the electric parts 11 of the bases 13, 14 and the electric parts 11 of the base 15 can be secured.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device in which electric parts are mounted on a substrate, and a lighting fixture using a lighting device having the structure of the electric device.

[0002]

2. Description of the Related Art For example, in a spotlight type luminaire using a halogen lamp, there is a case where a space for arranging a lighting device for lighting the lamp cannot be set large.
Accordingly, the lighting device needs to be downsized.

The lighting device is a rectifier circuit connected to a power source,
An inverter circuit, an output transformer connected to a lamp, and the like are provided, and these electric components are mounted on one board.

[0004]

However, the miniaturization of the lighting device may be caused by mounting the electric parts on one board.
There is a limit to miniaturization in the direction parallel to the substrate surface.

Further, in the case of miniaturization, it is necessary to consider the insulation distance between the electric parts and devise the arrangement of the electric parts.

The present invention has been made in view of the above points, and an object thereof is to devise a layout of electric parts to reduce the size thereof.

[0007]

According to a first aspect of the present invention, a substrate is formed into a substantially U-shape by electrically connecting the adjacent substrates with a connecting means and arranging the adjacent substrates at a substantially right angle. Body and electric components mounted on each substrate of the substrate body, the electric components are mounted on the opposing substrate surfaces of the pair of opposing substrates, and the substrates arranged in the middle are opposed to each other. It is an electric device in which electric components are mounted on a surface of a substrate opposite to a surface of a substrate facing each other.

According to a second aspect of the present invention, there is provided a substrate body in which a pair of substrates are opposed to each other in an electrically connected state substantially in parallel, and a plurality of electric components mounted on each substrate of the substrate body. Each of the electrical components is mounted on the opposing substrate surface, and an electrical component having a relatively high height projecting from one substrate and an electrical component having a relatively low height projecting from the other substrate are arranged to face each other. It is an electric device.

According to a third aspect of the present invention, an electric device according to the first or second aspect is a lighting device provided with electric components of a lighting circuit. The lighting device and a lamp lit by the lighting device are provided. It is a provided lighting equipment.

[0010]

According to the first aspect of the present invention, the adjoining substrates of the substrate body are arranged at a substantially right angle to form a substantially U-shape, and the electric components are mounted on the opposing substrate surfaces of the pair of opposing substrates. , Effectively use the space and become smaller. In addition, an electrical component is mounted on the outer surface of the intermediate substrate opposite to the opposing substrates to secure an insulation distance between the opposing substrates and the electrical components.

According to the second aspect of the present invention, the pair of substrates of the substrate body are arranged in parallel to face each other, and the electric components are mounted on the facing faces, whereby the space is effectively used and the size is reduced. Moreover, by arranging the electric parts projecting from one of the boards having a relatively high height and the electric parts projecting from the other board of a relatively low height to be opposed to each other, the space can be used more effectively. And become smaller.

According to the invention of claim 3, in the invention of claim 1 or claim 2, since the lighting device can be downsized, the installation space of the lighting device can be reduced, and the demand for downsizing of the lighting fixture itself can be met. .

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

FIG. 5 shows a lamp lighting circuit. A lighting device 1 is composed of a rectifying circuit 2, an inverter circuit 3, and an output transformer 4. The AC commercial power supply 5 is connected to the input parts a and b of the rectifier circuit 2 of the lighting device 1, and the halogen lamp 6 is connected to the output parts c and d of the output transformer 4.

FIGS. 2 and 3 show a state in which the electric parts 11 constituting the lighting device 1 are mounted on the substrate 12. The substrate body 12 is made of an insulating material such as paper epoxy or glass epoxy, and an input side substrate 13, an output side substrate 14, and an intermediate substrate 15 are integrally formed in a planar manner.

A kerf 16 for facilitating later cutting is formed in each of the front and back portions between the substrates 13, 14, 15. The back surface of each of the substrates 13, 14 and 15 is provided with printed wiring that forms a circuit, but the printed wiring that connects between the substrates 13, 14, and 15 is not provided. A jumper wire 17 as a connecting means is provided across the cut groove 16 on the surface between the substrates 13, 14 and 15 to electrically connect the substrates 13 and 14 and the substrates 14 and 15, respectively.

Then, on the surface of the substrate 13 on the input side, the electric parts 11 constituting the rectifying circuit 2 and the like are mounted. On the surface of the substrate 14 on the output side, the electric components 11 that form the inverter circuit 3 and the like are mounted, and the output transformer 4
Is mounted on the edge. The electrical component 11 is mounted on the back surface of the intermediate substrate 15.

The boards 13 and 14 are arranged so as to face each other in a substantially parallel manner. At this time, the electric component 11a having a relatively high height protruding from one of the boards 13 and 14 is compared with the height protruding from the other. The electrical component 11b is mounted so as to face the low electrical component 11b. Further, the end of the electric component 11c mounted on the board 14 is fitted into the notch 13a formed on the board 13 and positioned.

A pair of input lead wires 18 constituting the input portions a and b are connected to the input side substrate 13. The output transformer 4 mounted on the output-side substrate 14 is connected to a pair of output lead wires 19 that form the output sections c and d.

Then, as shown in FIG. 4, the electric component 11 and the substrate 12 of the lighting device 1 are housed in a case 21. The case 21 is made of an insulating synthetic resin and is formed into a rectangular tubular shape having an opening 22 at one end.

The case 21 is filled with a filling material 23. This filler 23 has an initial hardness of 30 to 80 (J
ISA) made of urethane type, epoxy type and silicon type materials.

FIG. 6 shows a spotlight type lighting device.
31 is shown. The lighting fixture 31 includes an installation portion 32 installed on a ceiling or the like, an arm 33 projecting downward from the installation portion 32, and an equipment body 34 rotatably supported by a lower end portion of the arm 33.
It consists of and. A lamp 6 is built in the instrument main body 34, and light is emitted in spots from an irradiation unit 35 on the front surface.
The lighting unit 1 is built in the installation unit 32.

Next, the operation of this embodiment will be described.

First, as shown in FIGS. 2 and 3, a substrate body 12 is integrally formed, an electric component 11 is mounted on the substrate body 12, and a jumper wire 17 and lead wires 18 and 19 are connected to each other. .

Then, as shown in FIG. 1, the substrates 13, 14 and 15 of the substrate body 12 are bent and cut at substantially right angles from the cut groove 16, respectively, and the substrates 13 and 14 are vertically opposed to each other substantially in parallel. In addition to the arrangement, the substrate 15 is arranged at the ends of the substrates 13 and 14 in a state of standing at a substantially right angle.

In this state, the jumper wire 17 maintains the electrical and mechanical connection between the substrates 13 and 14 and the substrate 15. Further, the electric components 11 mounted on the respective boards 13 and 14 face each other, and the electric component 11a protruding from one of the boards 13 and 14 is relatively high, and the height protruding from the other is relatively high. It faces the low electrical component 11b. The electric component 11 mounted on the substrate 15 faces the outside. Further, the end of the electric component 11c mounted on the board 14 is fitted and positioned in the notch 13a formed in the board 13.

Then, in order to house the electric component 11 and the substrate body 12 in the case 21, as shown in FIG.
Is attached to the output transformer 4, the electric component 11 and the substrate 12 are inserted through the opening 22 of the case 21, and the lead wires 18 and 19 are pulled out from the opening 22 of the case 21.

With the opening 22 of the case 21 facing upward, the filler 23 is dripped through the opening 22 and the case 21
A filling material 23 is filled in the gap between the electric component 11 and the substrate 12 housed inside the case 21.

Therefore, the electric components 11 and the like can be mounted in a state where the substrates 13, 14, and 15 of the substrate body 12 are planarly integrated, so that automation using a mounting machine can be supported.

Further, when the lighting device 1 is assembled, the substrates 13, 14, 15 of the substrate body 12 are separated and formed into a substantially U-shape, so that the size can be reduced. In particular, the board 15 is set up at a substantially right angle to the boards 13 and 14, and the electric component 11a protruding from one of the boards 13 and 14 is relatively high and the electric component 11b protruding from the other is relatively low. By arranging so as to face each other, the mounting space can be effectively used and the size can be further reduced.

Further, since the electric component 11 is mounted on the outer surface side of the substrate 15 which is erected at a right angle to the substrates 13 and 14, an insulation distance between the electric components 11 of the substrates 13 and 14 is secured. be able to.

Further, the board body 12 has an input portion and an output portion arranged at both ends thereof. By constructing the board body 12 in a substantially U shape, the input / output portions are arranged on the same side, and The output lead wires 18 and 19 can be pulled out in the same direction. Therefore, the wiring can be satisfactorily routed within the main body of the lighting fixture.

Then, the lighting device 1 formed in this way
Is built in the installation section 32 of the lighting fixture 31 and turns on the lamp 6.

Further, by pulling out the lead wire 18 from the side portion of the transformer 4 shown in FIGS. 1 and 4, the height of the lighting device 1 can be reduced, and the size can be further reduced.

[0035]

According to the first aspect of the present invention, the adjoining substrates of the substrate body are arranged at a substantially right angle to form a substantially U-shape, and the pair of opposing substrates are provided with electrical components on the opposing substrate surfaces. By mounting, the space can be effectively used and the size can be reduced. In addition, it is possible to mount an electrical component on the outer surface side of the intermediate substrate opposite to the opposing substrates, and secure an insulation distance between the opposing substrates and the electrical components.

According to the second aspect of the present invention, the pair of substrates of the substrate body are arranged substantially parallel to each other so as to face each other, and the electric parts are mounted on the facing surfaces, so that the space can be effectively utilized and the size can be reduced. You can Moreover, by arranging the electric parts projecting from one board and having a relatively high height and the electric parts projecting from the other board and having a relatively low height to be opposed to each other, the space can be used more effectively. Can be made smaller.

According to the invention of claim 3, in the invention of claim 1 or claim 2, since the lighting device can be downsized, the installation space for the lighting device can be reduced, and there is a demand for downsizing of the lighting fixture itself. Can respond.

[Brief description of drawings]

FIG. 1 is a side view of a lighting device showing an embodiment of the present invention.

FIG. 2 is a side view of the lighting device before assembly.

FIG. 3 is a plan view thereof.

FIG. 4 is a cross-sectional view of a lighting device.

FIG. 5 is a circuit diagram of a lighting circuit.

FIG. 6 is a side view of a lighting device.

[Explanation of symbols]

1 lighting device 6 lamps 11 electrical components 12 board body 13, 14, 15 substrates 17 Connection method 31 Lighting equipment

Claims (3)

[Claims] 1. Substrate bodies that are electrically connected to each other by connecting means between adjacent substrates and that are arranged in a substantially U shape by arranging adjacent substrates at substantially right angles, and are mounted on each substrate of the substrate bodies. Electrical components are mounted on the opposing substrate surfaces of the pair of opposing substrates, and the substrate disposed in the middle is opposite to the opposing substrate surfaces of the opposing substrates. An electric device in which electric parts are mounted on a substrate surface. 2. A substrate body, in which a pair of substrates are arranged to face each other substantially in parallel in an electrically connected state, and a plurality of electric components mounted on each substrate of the substrate body, wherein the opposing substrate surfaces of the substrate are provided. Each of the electric components is mounted, and an electric component having a relatively high height protruding from one substrate and an electric component having a relatively low height protruding from the other substrate are arranged to face each other. Electrical equipment. 3. The electric device is a lighting device including an electric component of a lighting circuit, and the lighting device includes a lighting device and a lamp that is lit by the lighting device. The described lighting equipment.