Control apparatus, connector, and laminated capacitor for connector
View Patent ↗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.
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.
17. A laminated capacitor for 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 laminated capacitor comprising:
a terminal dielectric sheet and a ground dielectric sheet which are alternately laminated into one body,
wherein on the terminal dielectric sheet, a terminal circuit pattern having terminal connecting patterns electrically connected to a plurality of connection terminals which connect the substrate to the external device or the external wires and terminal-side electrode patterns connected to the terminal connecting patterns is printed, and
on the ground dielectric sheet, a ground circuit pattern having ground-side electrode patterns disposed to face the terminal-side electrode patterns and a ground pattern connected to the ground-side electrode patterns is printed.
18. The laminated capacitor for a connector of claim 17 , 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.