Accelerator, steering wheel, six-axis sensor, engine, bumper and the like
An accelerator is an automobile accelerator. The accelerator includes a sensor configured to detect a force to press the accelerator. The sensor includes a flexible substrate and a resistor formed of a film containing Cr, CrN, and Cr 2 N, on or above the substrate. The sensor is configured to detect the force to press the accelerator as a change in a resistance value of the resistor.
1. An automotive accelerator comprising:
a sensor configured to detect a force to press the accelerator,
wherein the sensor includes:
a flexible substrate; and
a functional layer formed of metal, an alloy, or a metal compound, the functional layer being provided directly on one surface of the substrate;
a resistor formed of a film containing Cr, CrN, and Cr 2 N, the resistor being provided directly on one surface of the functional layer,
wherein a main component of the resistor is α-Cr,
wherein the functional layer includes a function of promoting crystal growth of the α-Cr and depositing a film of which a main component is α-Cr, and
wherein the sensor is configured to detect the force to press the accelerator as a change in a resistance value of the resistor.
2. The accelerator according to claim 1 , wherein the sensor is provided on a side surface of the accelerator.
3. The accelerator according to claim 1 , wherein the accelerator is formed of a material having great stiffness.
4. The accelerator according to claim 1 , wherein the resistor includes:
multiple first resistive portions of which a longitudinal direction of each is directed to a first direction and that are juxtaposed on one side of the substrate; and
multiple second resistive portions of which a longitudinal direction of each is directed to a second direction intersecting with the first direction and that are juxtaposed on another side of the substrate.
5. An automotive steering wheel comprising:
a sensor configured to detect a force to grip the steering wheel,
wherein the sensor includes:
a flexible substrate; and
a functional layer formed of metal, an alloy, or a metal compound, the functional layer being provided directly on one surface of the substrate;
a resistor formed of a film containing Cr, CrN, and Cr 2 N, the resistor being provided directly on one surface of the functional layer,
wherein a main component of the resistor is α-Cr,
wherein the functional layer includes a function of promoting crystal growth of the α-Cr and depositing a film of which a main component is α-Cr, and
wherein the sensor is configured to detect the force to grip the steering wheel as a change in a resistance value of the resistor.
6. The steering wheel according to claim 5 , further comprising a core formed of a material having great stiffness; and
a resin portion with which the outer periphery of the core is coated,
wherein the sensor is provided inside the core.
7. The steering wheel according to claim 6 , wherein the sensor is provided around an entirety of a circumference inside the core.
8. The steering wheel according to claim 5 , wherein the resistor includes:
multiple first resistive portions of which a longitudinal direction of each is directed to a first direction and that are juxtaposed on one side of the substrate; and
multiple second resistive portions of which a longitudinal direction of each is directed to a second direction intersecting with the first direction and that are juxtaposed on another side of the substrate.
9. An automotive door comprising:
an inner panel;
an outer panel; and
at least one sensor provided at a predetermined location inside the outer panel, the sensor being configured to detect a force to press the outer panel at the predetermined location,
wherein the sensor includes:
a flexible substrate;
a functional layer formed of metal, an alloy, or a metal compound, the functional layer being provided directly on one surface of the substrate; and
a resistor formed of a film containing Cr, CrN, and Cr 2 N, the resistor being provided directly on one surface of the functional layer,
wherein a main component of the resistor is α-Cr,
wherein the functional layer includes a function of promoting crystal growth of the α-Cr and depositing a film of which a main component is α-Cr, and
wherein the sensor is configured to detect the force to press the outer panel as a change in a resistance value of the resistor.
10. The door according to claim 9 , wherein multiple sensors are provided at locations inside the outer panel.
11. The door according to claim 9 , wherein the resistor includes:
multiple first resistive portions of which a longitudinal direction of each is directed to a first direction and that are juxtaposed on one side of the substrate; and
multiple second resistive portions of which a longitudinal direction of each is directed to a second direction intersecting with the first direction and that are juxtaposed on another side of the substrate.
12. A system for opening and closing a door, comprising:
the door according to claim 9 ; and
an opening and closing mechanism configured to open or close the door based on the detecting of the force to press the outer panel.
13. A system for opening and closing a door, comprising:
the door according to claim 9 ; and
an opening and closing mechanism configured to unlock the door or to open or close the door, upon occurrence of a condition in which multiple sensors are pressed in a predetermined specific order.
14. A system for opening and closing a door, comprising:
the door according to claim 9 ; and
an opening and closing mechanism configured to unlock the door or to open or close the door, upon occurrence of a condition in which the sensor is traced in a predetermined specific input pattern.