JPH06275471A - Vibration-resistant construction for mounting electric parts - Google Patents

Abstract

PURPOSE:To provide a simple mounting construction in which a number of electric parts can be mounted in high space efficiency on a board so as to reduce the influences of vibration and impact. CONSTITUTION:A rubber plate 2 is placed on a board which is not shown in the right diagram. The placement of the plate 2 can be performed by screw- fixing method or bonding method. The plate 2 is provided with cylindrical recessed parts 2a arranged side by side to press-fit the bottom end part of an electrolitic capacitor thereto. Therefore, the bottom end part of the capacitor 1 can be press-fitted into the part 2a easily and quickly, and at the same time, the vibration and impact can be reduced by the vibration preventive function of the plate 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure in which a plurality of electric parts are mounted on a substrate so as to reduce the effects of vibration and shock, and especially when the electric parts are for an electric vehicle. Vibration-proof mounting structure

[0002]

2. Description of the Related Art A conventional example will be described with reference to an exploded perspective view of FIG. In the figure, electrolytic capacitor 1
Is an electric component used in a large number in an electric vehicle, and is held by a mounting bracket 12 via a rubber plate 11 wound in a ring shape, mounted on a substrate (not shown), and mounted on the electric vehicle. The mounting bracket 12 includes a tightening ring portion and an L-shaped mounting portion, which are integrally formed from a plate member.

[0003]

The conventional example is a simple and good method when the number of electrolytic capacitors 1 which are electric parts is small, but when the number of electrolytic capacitors 1 is large, there is a lot of waste in space. In addition, there is a drawback in that the mounting work requires man-hours. An object of the present invention is to solve the above-mentioned problems of the conventional technology, to mount a plurality of electric parts on a board so as to reduce the influence of vibration and shock, and to prevent the electric parts from being space-efficient and simple. It is to provide a vibration-type mounting structure.

[0004]

According to a first aspect of the present invention, there is provided a vibration-proof mounting structure for an electric component, wherein a plurality of electric components are mounted on a substrate so as to mitigate the effects of vibration and shock. Has a recess into which the lower end is pressed and inserted,
An elastic plate laid on the substrate is provided.

According to a second aspect of the present invention, there is provided a vibration-proof mounting structure for an electric component, in which a plurality of electric components are mounted on a substrate so as to mitigate the effects of vibration and shock, the lower end of each electric component is inserted by pressing. A lower elastic plate that has a concave portion that is laid on the substrate; and an upper elastic plate that has a concave portion into which the upper end of each electric component is pressed and inserted and that is installed so as to face the lower elastic plate; Equipped with.

According to a third aspect of the present invention, there is provided a vibration-proof mounting structure for electric parts, wherein a plurality of electric parts are mounted on a substrate so as to reduce the influence of vibration and shock, and the lower end portions of the respective electric parts are pressed and inserted. A lower elastic plate laid on the substrate and having a recessed portion; a rigid conducting member, such as a bus bar, commonly connected to corresponding ones of the terminals at the upper end of each electric component; An insulating elastic member provided between the end portion and the substrate side.

According to a fourth aspect of the present invention, in the vibration-proof mounting structure for an electric component according to any one of the first to third aspects, the electric component is an electrolytic capacitor.

[0008]

In the vibration-proof mounting structure for electric parts according to the first aspect of the present invention, the lower ends of the electric parts are attached by being pressed into the recesses into the elastic plate laid on the substrate. In the vibration-damping type mounting structure for an electric component according to claim 2, the lower end portion of each electric component is press-inserted into a recess in a lower elastic plate laid on the substrate, and the upper end portion faces the lower elastic plate. It is attached by being pressed and inserted into the recess of the upper elastic plate to be installed.

In the vibration-proof mounting structure for electric parts according to the third aspect, the lower end portions of the electric parts are press-inserted into the recesses in the lower elastic plate laid on the substrate, and the terminals at the upper end portions are Corresponding members are commonly connected to a rigid conductive member, for example, a bus bar, and an end portion of this conductive member is attached to the substrate side via an insulating elastic member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vibration-proof mounting structure for electric parts according to the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view of the first embodiment. In the figure, 2
Is a rubber plate, which is laid on a substrate (not shown). This laying may be a screw fixing method or an adhesive method. The rubber plate 2 is provided with a cylindrical recess 2a in which the lower end of the electrolytic capacitor 1 is to be pressed and inserted. Therefore, the electrolytic capacitor 1 has its lower end pressed into the concave portion 2a of the rubber plate 2 to be attached easily and quickly, and has the effect of alleviating the vibration and impact by the damping action of the rubber plate 2.

FIG. 2 is a sectional view of the second embodiment. In the second embodiment, the rubber plates are arranged on the upper and lower sides, respectively. In the figure, 2 is a lower rubber plate and 3 is an upper rubber plate, which are essentially the same. Cylindrical recesses 2a and 3a into which the lower and upper ends of the electrolytic capacitor 1 are to be pressed and inserted are provided in parallel on the rubber plates 2 and 3, respectively. The lower rubber plate 2 is laid on the substrate 6, and the upper rubber plate 3 is fixed to the support column 4 attached to the upper rubber plate 2 by machine screws 5. In the second embodiment, the electrolytic capacitor 1 is held by the two rubber plates 2 and 3 at the top and bottom, so that there is an effect that the vibration damping action becomes larger than that in the first embodiment.

FIG. 3 is a sectional view of the third embodiment. In the third embodiment, electrical connection is made at the same time as vibration isolation. In the figure, the lower end of the electrolytic capacitor 1 is pressed and held in a recess 2a (see FIG. 2) of the lower rubber plate 2 laid on the substrate 2. On the other hand, columns 9 are erected on the substrate 6. Corresponding terminals of each electrolytic capacitor 1 are connected to a common bus bar 7 by a screw, and each end of this bus bar 7 is attached to a column 9 via a damper 8. Therefore, in addition to the effect similar to that of the second embodiment, the effect of also being used for electrical connection is added.

[0013]

In the vibration-proof mounting structure for electric parts according to the first aspect of the present invention, the lower end portions of the electric parts are attached by being pressed and inserted into the recesses into the elastic plate laid on the substrate. Therefore, the effects of vibration and shock can be mitigated, space efficiency is good, the structure is simple, and the mounting work is easy.
Be quick.

In the vibration-proof mounting structure for electric parts according to the second aspect, the lower end portions of the electric parts are press-inserted into the recesses in the lower elastic plate laid on the substrate, and the upper end portions are lower elastic. The upper elastic plate, which is installed so as to face the plate, is attached by being pressed and inserted into the recess of the upper elastic plate. As a result, it is possible to further reduce the effects of vibration and shock, as well as the other effects.

In the vibration-proof mounting structure for electric parts according to the third aspect, the lower end portions of the electric parts are press-inserted into the recesses in the lower elastic plate laid on the substrate, and the terminals at the upper end portions are Corresponding members are commonly connected to a rigid conductive member, for example, a bus bar, and an end portion of this conductive member is attached to the substrate side via an insulating elastic member. Therefore, in addition to the effect similar to the previous item, the effect that the electrical connection is also used is added.

Particularly, in the vibration-proof mounting structure for electric parts according to claim 4, since the electric parts are electrolytic capacitors,
It is often used in electric vehicles of the type in which a wheel drive AC motor is rotated from a battery power source via an inverter, and it is only that effective.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment according to the invention.

FIG. 2 is a sectional view of a second embodiment.

FIG. 3 is a sectional view of a third embodiment.

FIG. 4 is an exploded perspective view of a conventional example.

[Explanation of symbols]

 1 Electrolytic Capacitor 2, 3 Rubber Plates 2a, 3a Recessed 4 Supports 5 Small Screws 6 Substrate 7 Bus Bar 8 Damper 9 Supports

Claims (4)

[Claims] 1. A structure in which a plurality of electric components are attached to a substrate so as to reduce the influence of vibration and shock, and a lower end portion of each electric component has a recess into which the lower end portion is pressed and inserted, and the elasticity is laid on the substrate. A vibration-proof mounting structure for electric parts, characterized by comprising a plate. 2. In a structure in which a plurality of electric components are mounted on a substrate so as to reduce the influence of vibration and shock, the lower end of each electric component has a recess into which it is pressed and inserted, and is laid on the substrate. A side elastic plate; an upper elastic plate having a recess into which the upper end of each electric component is pressed and inserted, and an upper elastic plate facing the lower elastic plate; Mounting structure. 3. A structure in which a plurality of electric components are mounted on a substrate so as to mitigate the effects of vibrations and shocks, the lower end of each electric component has a recess into which the lower end is pressed and inserted, and is laid on the substrate. A side elastic plate; a rigid conductive member commonly connected to corresponding terminals at the upper end of each electric component;
An insulating elastic member provided between the end of the conductive member and the substrate side; 4. The vibration-proof mounting structure for an electric component according to claim 1, wherein the electric component is an electrolytic capacitor.