Closed-loop Hall current sensor
A current sensor, closed-loop Hall technology, applied in the field of sensors, can solve the problems of low precision, inconvenient installation, poor anti-interference ability, etc.
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Embodiment 1
[0067] The raw materials were weighed according to the composition and parts by weight of the ring mounting part in Example 1 in Table 1. Among them, the fibrous material is carbon fiber, the metal powder is iron powder with a particle size of 150nm, the antistatic agent is fatty acid polyol ester, the toughening agent is nano-calcium carbonate coated with POE-g-MAH, and the flame retardant is phosphorus-g-MAH. The nitrogen flame retardant, the formaldehyde absorber melamine, the formic acid absorber is sodium oxide, and the antioxidant is a commercially available antioxidant.
[0068] During preparation, the annular mounting part is made by injection molding, extrusion, extrusion or blow molding.
Embodiment 2
[0070] The raw materials were weighed according to the composition and parts by weight of the annular mounting part of Example 2 in Table 1. Among them, the fibrous material is carbon fiber, the metal powder is iron powder with a particle size of 150nm, the antistatic agent is fatty acid polyol ester, the toughening agent is nano-calcium carbonate coated with POE-g-MAH, and the flame retardant is phosphorus-g-MAH. The nitrogen flame retardant, the formaldehyde absorber melamine, the formic acid absorber is sodium oxide, and the antioxidant is a commercially available antioxidant.
[0071] During preparation, the annular mounting part is made by injection molding, extrusion, extrusion or blow molding.
Embodiment 3
[0073] The raw materials were weighed according to the composition and parts by weight of the ring mounting part of Example 3 in Table 1. Among them, the fibrous material is carbon fiber, the metal powder is iron powder with a particle size of 150nm, the antistatic agent is fatty acid polyol ester, the toughening agent is nano-calcium carbonate coated with POE-g-MAH, and the flame retardant is phosphorus-g-MAH. The nitrogen flame retardant, the formaldehyde absorber melamine, the formic acid absorber is sodium oxide, and the antioxidant is a commercially available antioxidant.
[0074] During preparation, the annular mounting part is made by injection molding, extrusion, extrusion or blow molding.
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