Control apparatus, connector, and laminated capacitor for connector

Patent metadata

Field	Value
Publication number	US-9705261-B2
Application number	US-201414787338-A
Country	US
Kind code	B2
Filing date	Mar 10, 2014
Priority date	May 22, 2013
Publication date	Jul 11, 2017
Grant date	Jul 11, 2017

Abstract

Provide are a control apparatus, a connector, and a laminated capacitor for connector which are small and light and in which the capacitor capacitances on the terminals can be easily adjusted. A laminated capacitor 113 is integrally formed by laminating: a terminal dielectric sheet 123 a on which is printed a terminal circuit pattern P 10 a having terminal connecting patterns P 12 a electrically connected to a plurality of connection terminals 111 and terminal-side electrode patterns P 11 a connected to the terminal connecting patterns P 12 a ; and a ground dielectric sheet 123 b on which is printed a ground circuit pattern P 10 b having ground-side electrode patterns P 11 b disposed to face the terminal-side electrode patterns P 11 a and a ground pattern P 12 b connected to the ground-side electrode patterns P 11 b.

First claim

The invention claimed is:

1. A control apparatus comprising:
a substrate on which an electronic component for controlling an external device is mounted;
a connector which electrically connects the substrate to the external device or external wires,
wherein the connector includes:
a connector housing;
a plurality of connection terminals which are housed in the connector housing and connect the substrate to the external device or the external wires; and
a laminated capacitor in which a terminal dielectric sheet on which a terminal circuit pattern is printed and a ground dielectric sheet on which a ground circuit pattern is printed are alternately laminated into one body,

the terminal circuit pattern includes:
terminal connecting patterns electrically connected to the plurality of connection terminals; and
terminal-side electrode patterns connected to the terminal connecting patterns, and

the ground circuit pattern includes:
ground-side electrode patterns disposed to face the terminal-side electrode patterns; and
a ground pattern connected to the ground-side electrode patterns.

2. The control apparatus of claim 1 , wherein
through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
the connection terminals having a rod shape are fit in the through-holes, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the connection terminals.

3. The control apparatus of claim 1 , wherein
through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
conductive material forming the connection terminals is made to fill the through-holes and is solidified, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the conductive material.

4. The control apparatus of claim 1 , wherein the conductive material is made to fill through-holes such that the conductive material is flush with a surface of the laminated capacitor.

5. The control apparatus of claim 1 , wherein
through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
conductive material forming the connection terminals is made to fill the through-holes and is solidified,
contact terminals are disposed on a surface of the laminated capacitor, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the contact terminals through the conductive material and circuit patterns formed on a surface of the laminated capacitor.

6. The control apparatus of claim 1 , wherein the connector includes the connector housing which has:
a cylindrical body covering a periphery of the plurality of connection terminals; and
a bottom plate which closes an end part of the cylindrical body on a side of the substrate and in which there are formed through-holes through which parts of the plurality of connection terminals pass, and
the laminated capacitor is disposed in the connector housing.

7. The control apparatus of claim 6 , wherein the laminated capacitor is disposed in contact with the bottom plate of the connector housing.

8. The control apparatus of claim 7 , wherein a buffering member is disposed on a peripheral edge of the laminated capacitor.

9. A connector which electrically connects a substrate, on which an electronic component for controlling an external device is mounted, to the external device or external wires, the connector comprising:
a connector housing;
a plurality of connection terminals which are housed in the connector housing and connect the substrate to the external device or the external wires; and
a laminated capacitor in which a terminal dielectric sheet on which a terminal circuit pattern is printed and a ground dielectric sheet on which a ground circuit pattern is printed are alternately laminated into one body,
wherein the terminal circuit pattern includes:
terminal connecting patterns electrically connected to the plurality of connection terminals; and
terminal-side electrode patterns connected to the terminal connecting patterns, and

the ground circuit pattern includes:
ground-side electrode patterns disposed to face the terminal-side electrode patterns; and
a ground pattern connected to the ground-side electrode patterns.

10. The connector of claim 9 , wherein through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
the connection terminals having a rod shape are fit in the through-holes, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the connection terminals.

11. The connector of claim 9 , wherein through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
conductive material forming the connection terminals is made to fill the through-holes and is solidified, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the conductive material.

12. The connector of claim 9 , wherein the conductive material is made to fill the through-holes such that the conductive material is flush with a surface of the laminated capacitor.

13. The connector of claim 9 , wherein through-holes are formed, in a lamination direction of the laminated capacitor, at positions corresponding to the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern,
conductive material forming the connection terminals is made to fill the through-holes and is solidified,
contact terminals are disposed on a surface of the laminated capacitor, and
the terminal connecting patterns of the terminal circuit pattern and/or the ground pattern of the ground circuit pattern are electrically connected to the contact terminals through the conductive material and circuit patterns formed on a surface of the laminated capacitor.

14. The connector of claim 9 , wherein the connector includes the connector housing which has:
a cylindrical body covering a periphery of the plurality of connection terminals; and
a bottom plate which closes an end part of the cylindrical body on a side of the substrate and in which there are formed through-holes through which parts of the plurality of connection terminals pass, and
the laminated capacitor is disposed in the connector housing.

15. The connector of claim 14 , wherein the laminated capacitor is disposed in contact with the bottom plate of the connector housing.

16. The connector of claim 15 , wherein a buffering member is disposed on a peripheral edge of the laminated capacitor.

Assignees

• Hitachi Automotive Systems Ltd

Inventors

• SHIH Hsinhan

Classifications

• H01G4/30 Primary

  Stacked capacitors (H01G4/33 takes precedence) · CPC title

• H01G4/40

  Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations · CPC title

• H01G4/228

  Terminals · CPC title

• H01G4/012

  Form of non-self-supporting electrodes · CPC title

• H01R13/6466

  on substrates, e.g. printed circuit boards [PCB] · CPC title