Circuit components and electrical junction boxes

JP7878478B2Active Publication Date: 2026-06-23SUMITOMO WIRING SYSTEMS LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
SUMITOMO WIRING SYSTEMS LTD
Filing Date
2025-01-29
Publication Date
2026-06-23

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Abstract

To provide a circuit structure that does not require the provision of circuit components for a test and electronic components on a control board in a one-to-one correspondence relationship.SOLUTION: A circuit structure comprises: a plurality of electronic components; a plurality of control terminals electrically connected with the plurality of electronic components; a holding member that has insulating properties and holds the plurality of control terminals; and a control board that outputs signals to the electronic components through the control terminals. The control terminal has a first terminal body part that is connected with the control board, a pad part that is electrically connected with the first terminal body part, provided along the holding member, and exposed from part of the holding member, and a second terminal body part that is electrically connected with the pad part and the electronic component.SELECTED DRAWING: Figure 3
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Claims

1. A conductive plate, a plurality of electronic components mounted on the main body of the conductive plate, a plurality of control terminals electrically connected to the plurality of electronic components, a holding member having insulating properties and holding the plurality of control terminals and the conductive plate, and a control board that outputs signals to the electronic components through the control terminals, The aforementioned control terminal is The first terminal body is connected to the control board, The first terminal body is electrically connected to the pad portion, which is provided along the retaining member and is exposed from a part of the retaining member, The pad portion and the second terminal body portion which is electrically connected to the electronic component, The first bend between the first terminal body and the pad portion, The second bending portion between the pad portion and the second terminal body portion, It has, The main body of the conductive plate on which the electronic components are mounted is located on the side that sandwiches a part of the holding member between itself and the pad portion. circuit construct.

2. The circuit configuration according to claim 1, wherein the holding member has a first embedded portion for embedding the first bent portion and a second embedded portion for embedding the second bent portion.

3. The first terminal body has a first surface exposed from the holding member and a second surface opposite to the first surface that is also exposed from the holding member. The pad portion has an exposed surface that is exposed from the retaining member and a contact surface that is opposite to the exposed surface and is in contact with the retaining member. The circuit configuration according to claim 1 or claim 2.

4. The first terminal body, the first bent portion, the pad portion, the second bent portion, and the second terminal body are all made of the same metal material. The circuit configuration according to claim 1 or claim 2.

5. The pad portion has an exposed surface that is exposed from the holding member, The exposed surface has an elongated shape. The circuit configuration according to claim 1 or claim 2.

6. A control board comprising a plurality of electronic components, a plurality of control terminals electrically connected to the plurality of electronic components, a holding member having insulating properties and holding the plurality of control terminals, and a control board that outputs signals to the electronic components through the control terminals, The aforementioned control terminal is The first terminal body is connected to the control board, The first terminal body is electrically connected to the pad portion, which is provided along the retaining member and is exposed from a part of the retaining member, The pad portion and the second terminal body portion which is electrically connected to the electronic component, The first bend between the first terminal body and the pad portion, The second bending portion between the pad portion and the second terminal body portion, It has, The second terminal body has a terminal surface exposed from the holding member and connected to the electronic component, and a second exposed surface on the opposite side of the terminal surface that is also exposed from the holding member. circuit construct.

7. A circuit configuration according to claim 1 or claim 6, An electrical connection box comprising a cover that covers the aforementioned circuit component.