Component for human-powered vehicle

A component for a human powered vehicle, the component comprising:

• a component body;
• a single substrate provided on the component body;
• a resistor formed on the single substrate and forming a strain gauge with at least part of the single substrate;
• a temperature sensor formed or mounted on the single substrate, the temperature sensor being arranged so as not to overlap the resistor;
• a signal processing unit electrically connected to the resistor;
• a signal output that outputs a signal from the signal processing unit;
• and
• an electric power input electrically connected to the signal processing unit and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body,
• the resistor including
• a first resistor forming a first strain gauge with a first portion of the single substrate, and
• a second resistor forming a second strain gauge with a second portion of the single substrate,
• at least part of the temperature sensor being disposed on the single substrate in a region between the first resistor and the second resistor on the single substrate at a connecting portion connecting the first portion and the second portion.

A component for a human-powered vehicle, the component comprising:

• a component body;
• a single substrate provided on the component body;
• a resistor formed on the single substrate and forming a strain gauge with part of the single substrate;
• an electric wire formed on the single substrate and electrically connected to the resistor, the electric wire including a first wire portion and a second wire portion that covers the first wire portion, the second wire portion having a lower electrical resistivity than the resistor and the first wire portion;
• a temperature sensor formed or mounted on the single substrate and disposed to at least partially overlap the resistor as viewed in a thickness direction of the single substrate;
• a signal processing unit electrically connected to the resistor;
• a signal output that outputs a signal from the signal processing unit;
• and
• an electric power input electrically connected to the signal processing unit and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body,
• the resistor being molded integrally with the first wiry, portion of the electric wire.

A component for a human-powered vehicle, the component comprising:

• a component body;
• a strain gauge provided on the component body, the strain gauge including a resistor and afirst thermal conductor that is electrically insulated from the resistor;
• an electric circuit board;
• a flexible printed wiring board electrically connecting the strain gauge and the electric circuit board, the flexible printed wiring board including a second thermal conductor connected to the first thermal conductor;
• a temperature sensor provided on the flexible printed wiring board, the temperature sensor being disposed in contact with or proximate to the second thermal conductor;
• a signal processing unit electrically connected to the strain gauge;
• a signal output that outputs a signal from the signal processing unit;
• and
• an electric power input electrically connected to the signal processing unit and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body.

A component for a human-powered vehicle, the component comprising:

• a component body;
• a strain gauge provided on the component body;
• an electric circuit board:
• a flexible printed wiring board electrically connecting the strain gauge and the electric circuit board;
• at least one of an amplifier and an AD converter electrically connected to the strain gauge and provided on at least one of the flexible printed wiring board, a first connecting portion to which the strain gauge and the flexible printed wiring board are connected, and a second connecting portion to which the flexible printed wiring board and the electric circuit board are connected;
• a signal processing unit provided on the electric circuit board and electrically connected to the at least one of the amplifier and the AD converter;
• a signal output that outputs a signal from the signal processing unit;
• and
• an electric power input electrically connected to the signal processing unit and the at least one of the amplifier and the AD converter and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body.

A component for a human-powered vehicle, the component comprising:

• a component body;
• a single substrate provided on the component body;
• a resistor formed on the single substrate and tbrming a strain gauge with part of the single substrate;
• an electric wire formed on the single substrate and electrically connected to the resistor, the electric wire including a first wire portion and a second wire portion that covers the first wire portion, the second wire portion having a lower electrical resistivity than the resistor and the first wire portion;
• a signal processing unit mounted on the single substrate and electrically connected to the electric wire;
• a signal output that outputs a signal from the signal processing unit;
• and
• an electric power input electrically connected to the signal processing unit and supplied with electric power from a power supply provided on at least one of the human-powered vehicle and the component body,
• the electric wire having a lower electrical resistance per unit length than the resistor, and
• the resistor being molded integrally with the first wire portion of the electric wire.