Element Mounting Means, Electrode Means Manufacturing Method, and Smoke Detector Manufacturing Method
AssigneeHochiki Corporation
InventorKiyotaka Teshima
Life of this patent
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Abstract
An element placement unit for placing a light emitting unit and a light receiving unit of a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from the light emitting unit by the smoke, using the light receiving unit, includes: a light emission-side electrode portion having conductivity for placing the light emitting unit while electrically connecting the light emitting unit; and a light reception-side electrode portion having conductivity for placing the light receiving unit while electrically connecting the light receiving unit.
Claims14
An element placement unit for placing a light emitting element and a light receiving element of a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from the light emitting element by the smoke, using the light receiving element, the unit comprising:
- a light emitting element-side electrode portion having conductivity for placing the light emitting element while electrically connecting the light emitting element;
- and
- a light receiving element-side electrode portion having conductivity for placing the light receiving element while electrically connecting the light receiving element,
- wherein the light emitting element-side electrode portion and the light receiving element-side electrode portion are integrally formed on a common frame body.
A method for manufacturing an electrode portion in an element placement unit for placing a light emitting element and a light receiving element of a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from the light emitting element by the smoke, using the light receiving element, the method comprising:
- a step of integrally forming a light emitting element-side electrode portion having conductivity on a common frame body, the light emitting element-side electrode portion for placing the light emitting element while electrically connecting the light emitting element;
- and
- a step of integrally forming a light receiving element-side electrode portion having conductivity on the common frame body, the light receiving element-side electrode portion for placing the light receiving element while electrically connecting the light receiving element.
A method for manufacturing an electrode portion in an element placement unit for placing a light emitting element and a light receiving element of a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from the light emitting element by the smoke, using the light receiving element, the method comprising:
- a step of integrally forming a light emitting element-side electrode portion having conductivity on a common frame body, the light emitting element-side electrode portion for placing the light emitting element while electrically connecting the light emitting element;
- and
- a step of integrally forming a light receiving element-side electrode portion having conductivity on the common frame body, the light receiving element-side electrode portion for placing the light receiving element while electrically connecting the light receiving element,
- wherein the light emitting element-side electrode portion and the light receiving element-side electrode portion are disposed to correspond to a first element angle forming a scattering angle represented by an intersection angle between a light emitting axis of the light emitting element and a light receiving axis of the light receiving element.
A method for manufacturing an electrode portion in an element placement unit for placing a light emitting element and a light receiving element of a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from the light emitting element by the smoke, using the light receiving element, the element placement unit including a light emitting element-side electrode portion having conductivity for placing the light emitting element while electrically connecting the light emitting element and a light receiving element-side electrode portion having conductivity for placing the light receiving element while electrically connecting the light receiving element, and the light emitting element-side electrode portion and the light receiving element-side electrode portion being integrally formed on a common frame body, the method comprising:
- a step of forming a shield portion integrally with the light emitting element-side electrode portion and the light receiving element-side electrode portion on the common frame body, the shield portion functioning as an electromagnetic shield for the light receiving element.
A method for manufacturing a smoke detector that detects smoke by receiving scattered light caused by a scattering of light from a light emitting element by the smoke, using a light receiving element, the method comprising:
- a step of electrically connecting an element placement unit, in which a light emitting element and a light receiving element are disposed to correspond to a first element angle forming a scattering angle represented by an intersection angle between a light emitting axis of the light emitting element and a light receiving axis of the light receiving element and in which the light emitting element and the light receiving element are placed to be electrically connected to the light emission-side electrode portion and the light reception-side electrode portion integrally held by an insulating member respectively, to an electric circuit of a circuit board of the smoke detector via a lead portion of each of the light emitting element-side electrode portion and the light receiving element-side electrode portion.
Dependencies are inferred from the claim text.