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Electronic control apparatus

An electronic control device and electronic circuit technology, applied in the direction of electrical equipment shell/cabinet/drawer, electrical components, electric steering mechanism, etc., can solve the problems of cumbersome fixing operations, etc., and achieve small size, light weight, and improved assembly operability Effect

Inactive Publication Date: 2010-10-06
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In addition, there is still a problem that the riveting piece formed on the end surface of the shell needs to be riveted to fix the shell and the radiator, and the fixing operation is cumbersome

Method used

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  • Electronic control apparatus
  • Electronic control apparatus
  • Electronic control apparatus

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0025] figure 1 It is an exploded perspective view showing the electronic control device 1 according to Embodiment 1 of the present invention; figure 2 yes figure 1 A side sectional view of the electronic control unit 1; image 3 is along with figure 2 A cross-sectional perspective view when the lateral section of the electronic control device 1 is cut at a right angle; Figure 4 is along with figure 2 When the side section of the electronic control device 1 is cut in the same direction, from figure 2 Cross-sectional perspective view when viewed in the opposite direction; Figure 5 is along with image 3 The cross-section of the electronic control unit 1 is cut parallel to the figure 1 A cross-sectional perspective view of the electronic control device 1; Image 6 yes means figure 1 A perspective view of the cover plate 7.

[0026] The electronic control device 1 includes: a casing 3 made of insulating resin, which has a box shape with openings on both sides; a h...

Embodiment approach 2

[0135] Figure 7 It is a sectional view showing a main part of the electronic control device 1 according to Embodiment 2 of the present invention.

[0136] In addition, this figure is a figure in the middle of assembly of the electronic control device 1 , and the radiator 5 is located on the upper side of the cover plate 7 .

[0137] In this embodiment, the configuration of the electronic control device 1 in Embodiment 1 is the same as that of the electronic control device 1 in Embodiment 1 except for the configuration of the housing 3 and the cover plate 7 .

[0138] That is, in this embodiment, the groove 7 e which is the first groove portion is formed along the entire periphery of the outer peripheral edge portion of the cover plate 7 . This groove 7e opens on the case 3 side. At the opening end portion of the case 3 on the side of the cover plate 7, a protrusion 3n is formed along the entire periphery. The space formed when the protrusion 3n enters the groove 7e is fill...

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PUM

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Abstract

The invention provides an electronic control apparatus, which has light weight and small volume, improves the assembly operability and increases the reliability of installation of a cover plate to a housing. In the electronic control apparatus, a mounting unit for mounting the a cover plate (7) on a housing (3) is composed of a locking projection (7a) which is integrally formed with the cover plate (7) made of an insulated resin and a locking hole (3c) disposed on the inner surface of a side wall (3b) of the housing (3) and integrally formed by the insulated resin; the locking hole (3c) is inserted into a locking projection (7a) and the cover plate (7) is mounted on the housing (3).

Description

technical field [0001] The present invention relates to an electronic control device for an electric power steering device for assisting a steering device of a vehicle by, for example, a rotational force of an electric motor. Background technique [0002] Conventionally, there is known an electronic control device in which a semiconductor switching element (FET), which is a power device, is mounted on a metal substrate, and a connecting member for electrically connecting the metal substrate to components other than the metal substrate is mounted on the metal substrate. . [0003] For example, the electronic control device disclosed in Patent Document 1 includes: a power substrate mounted with a bridge circuit composed of a semiconductor switching element for switching the current of the motor; The casing of the components; the control substrate installed with small current components such as a microcomputer; the connecting member electrically connecting the power substrate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04H05K7/14H05K7/20
CPCH05K5/0217H05K5/03
Inventor 富永努谷川正明
Owner MITSUBISHI ELECTRIC CORP