INDUCTOR DEVICE, FILTER DEVICE AND STEERING CONTROL DEVICE
The present embodiments relate to an inductor device, a filter device and a steering assist device. The inductor device can comprise: a core including a magnetic material; and a wire which is wound around the core and which includes a low resistance material.
1 . An inductor device, comprising:
a core including a magnetic material; and
a wire wound on the core and including a shunt resistor including a low-resistance material,
wherein the magnetic material includes a ferrite material, and
wherein the low-resistance material includes at least one alloy material among a copper-manganese (Cu—Mn) alloy material, a copper-nickel (Cu—Ni) alloy material, an iron-chromium (Fe—Cr) alloy material, and an iron-nickel (Fe—Ni) alloy material.
2 . The inductor device of claim 1 , wherein the core includes,
a first core including a first hole; and
a second core including a second hole,
wherein the first core and the second core have a drum shape, and
wherein the wire passes through the first hole included in the drum-shaped first core and the second hole included in the drum-shaped second core.
3 . The inductor device of claim 1 , further comprising an adhesive fixing the core and the wire.
4 . A filter device including an inductor unit to filter noise included in current and sense the current,
wherein the inductor unit includes,
a core including a magnetic material; and
a wire wound on the core and including a shunt resistor including a low-resistance material,
wherein the magnetic material includes a ferrite material, and
wherein the low-resistance material includes at least one alloy material among a copper-manganese (Cu—Mn) alloy material, a copper-nickel (Cu—Ni) alloy material, an iron-chromium (Fe—Cr) alloy material, and an iron-nickel (Fe—Ni) alloy material.
5 . The filter device of claim 4 , wherein the core includes,
a first core including a first hole; and
a second core including a second hole,
wherein the first core and the second core have a drum shape, and
wherein the wire passes through the first hole included in the drum-shaped first core and the second hole included in the drum-shaped second core.
6 . The filter device of claim 4 , wherein the inductor unit further includes an adhesive fixing the core and the wire.
7 . The filter device of claim 4 , further comprising a capacitor unit connected with the inductor unit,
wherein the inductor unit and the capacitor unit are a Π-shaped LC filter.
8 . A steering control device, comprising:
a filter unit including an inductor unit to filter noise included in current and sense the current; and
a steering motor power source unit generating an assist current by converting the filtered current based on a steering motor control signal and controlling a steering motor based on the assist current,
wherein the inductor unit includes,
a core including a magnetic material; and
a wire wound on the core and including a shunt resistor including a low-resistance material,
wherein the magnetic material includes a ferrite material, and
wherein the low-resistance material includes at least one alloy material among a copper-manganese (Cu—Mn) alloy material, a copper-nickel (Cu—Ni) alloy material, an iron-chromium (Fe—Cr) alloy material, and an iron-nickel (Fe—Ni) alloy material.
9 . The steering control device of claim 8 , wherein the core includes,
a first core including a first hole; and
a second core including a second hole,
wherein the first core and the second core have a drum shape, and
wherein the wire passes through the first hole included in the drum-shaped first core and the second hole included in the drum-shaped second core.
10 . The steering control device of claim 8 , further comprising a capacitor unit connected with the inductor unit,
wherein the inductor unit and the capacitor unit are a n-shaped LC filter.
11 . The steering control device of claim 8 , further comprising a controller unit generating the steering motor control signal,
wherein the controller unit determines a state of the steering control device based on the current sensed through the inductor unit and controls the steering motor power source unit according to a result of the determination.