Corona Discharge

Mobile Science Museum · Electromagnetism

Operation: Press the "Start" button and observe the tip discharge phenomenon of the metal rods. Function Overview: The exhibit consists of needle-shaped metal electrodes, a high-voltage generator, a rotating motor, and an operation button. Press the "Start" button, and the motor drives a set of needle-shaped metal electrodes to rotate. As the two needle electrodes gradually approach each other, a discharge phenomenon occurs between the tips of the two electrodes. Scientific Principle: The distribution of electric charge on a conductor is related to its surface shape. At sharp points on the conductor's surface, the charge distribution is denser. When the charge accumulates to a certain density, a strong electric field is generated, breaking down the air. In the exhibit, one of the two electrodes is connected to high voltage, and the other is grounded. As the two sharp needles gradually approach, under the action of the strong electric field, the air near the tips is ionized, producing discharge sparks and a crackling sound.

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• China Science and Technology Museum Standard Edition CSTM Standard Edition
  Dimensions (unit: m): 0.75×0.68×1.22 Brand: KexMall Model: PopsciCat-Mobile-041 1. Materials: ① Base: flame-retardant ABS injection molding, thickness ≧4mm ② Tabletop: compact laminate, thickness ≧12mm ③ Instruction sign: acrylic UV printing ④ Tabletop fasteners: standard triangular locks ⑤ Metal electrodes: 304 stainless steel ⑥ Protective cover: transparent acrylic + orange acrylic 2. Main Configuration: ① Electrical control: electrical logic control system, equipped with KexMall® K1 type PLC controller with protection specially for science exhibits ② Switching power supply: AC-DCS-60-12/24 input AC100-240V, 50/60Hz, output power 60W ③ Button: self-resetting 22mm stainless steel metal button with ring light ④ 3. Energy Requirements: AC100-240V, 50/60Hz 200W

  Operation: Press the "Start" button and observe the tip discharge phenomenon of the metal rods. Function Overview: The exhibit consists of needle-shaped metal electrodes, a high-voltage generator, a rotating motor, and an operation button. Press the "Start" button, and the motor drives a set of needle-shaped metal electrodes to rotate. As the two needle electrodes gradually approach each other, a discharge phenomenon occurs between the tips of the two electrodes. Scientific Principle: The distribution of electric charge on a conductor is related to its surface shape. At sharp points on the conductor's surface, the charge distribution is denser. When the charge accumulates to a certain density, a strong electric field is generated, breaking down the air. In the exhibit, one of the two electrodes is connected to high voltage, and the other is grounded. As the two sharp needles gradually approach, under the action of the strong electric field, the air near the tips is ionized, producing discharge sparks and a crackling sound.

• Optimized Popular Edition Optimized Edition
  Dimensions (unit: m): 0.75×0.68×1.22 Brand: KexMall Model: PopsciCat-Mobile-041 1. Materials: ① Base: flame-retardant ABS injection molding, thickness ≧4mm ② Tabletop: compact laminate, thickness ≧12mm ③ Instruction sign: acrylic UV printing ④ Tabletop fasteners: standard triangular locks ⑤ Metal electrodes: 304 stainless steel ⑥ Protective cover: transparent acrylic + orange acrylic 2. Main Configuration: ① Electrical control: electrical logic control system, equipped with KexMall® K1 type PLC controller with protection specially for science exhibits ② Switching power supply: AC-DCS-60-12/24 input AC100-240V, 50/60Hz, output power 60W ③ Button: self-resetting 22mm stainless steel metal button with ring light ④ 3. Energy Requirements: AC100-240V, 50/60Hz 200W

  Operation: Press the "Start" button and observe the tip discharge phenomenon of the metal rods. Function Overview: The exhibit consists of needle-shaped metal electrodes, a high-voltage generator, a rotating motor, and an operation button. Press the "Start" button, and the motor drives a set of needle-shaped metal electrodes to rotate. As the two needle electrodes gradually approach each other, a discharge phenomenon occurs between the tips of the two electrodes. Scientific Principle: The distribution of electric charge on a conductor is related to its surface shape. At sharp points on the conductor's surface, the charge distribution is denser. When the charge accumulates to a certain density, a strong electric field is generated, breaking down the air. In the exhibit, one of the two electrodes is connected to high voltage, and the other is grounded. As the two sharp needles gradually approach, under the action of the strong electric field, the air near the tips is ionized, producing discharge sparks and a crackling sound.

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