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Electrode structure, plasma generating device and air purifier

A technology of electrode structure and ionization electrode, applied in the field of air purification, can solve the problems of short life of ultraviolet lamp, large volume of electric purification device and high discharge voltage, achieve high-efficiency sterilization and disinfection effect, realize small gap discharge, and increase the electric field of discharge Effect

Pending Publication Date: 2022-07-15
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, ultraviolet sterilization needs to be irradiated for a long enough time, and the life of the ultraviolet lamp is short; ozone can actively sterilize, but its concentration is high, which is harmful to the human body; Including wire electrode and plate electrode, the plate electrode is usually a rectangular plate with a relatively large area, resulting in a large volume of the entire electric purification device, and at the same time, the discharge voltage required for corona discharge is high, and the power consumption is too high

Method used

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  • Electrode structure, plasma generating device and air purifier
  • Electrode structure, plasma generating device and air purifier
  • Electrode structure, plasma generating device and air purifier

Examples

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Embodiment 1

[0032] Existing sterilization devices are mainly sterilized by ultraviolet, ozone and electric purification devices. Among them, ultraviolet sterilization needs to be irradiated for a long enough time, and the life of the ultraviolet lamp is short; ozone can actively sterilize, but its concentration is high, which is harmful to the human body; the electric purification device uses corona discharge for sterilization and disinfection, and the existing electric purification device usually Including wire electrodes and plate electrodes, the plate electrodes are usually rectangular plates with a relatively large area, resulting in a larger volume of the entire electric purification device, and at the same time, the corona discharge requires a high discharge voltage and high power consumption.

[0033] To this end, this embodiment provides an electrode structure, which can realize micro-distance discharge and reduce the discharge voltage.

[0034] In one embodiment, as Figure 1 to...

Embodiment 2

[0055] This embodiment provides a plasma generating device, which includes at least one set of the electrode structures provided in the above-mentioned embodiments and a power supply connected to the ionization electrode 1 . Specifically, the power supply may be a high-voltage DC power supply or a high-frequency AC power supply, and a high-voltage DC power supply is preferably used in this embodiment. The voltage range of the high-voltage DC power supply is 2KV-8KV, and in this embodiment, it is preferably 3KV.

[0056] For the plasma generating device provided in this embodiment, multiple groups of electrode structures can be selected and combined according to the requirements of the finished product. One layer and multiple groups of electrode structures can be used in parallel, or multiple layers and multiple groups of electrode structures can be combined. Specifically, the combination can be selected according to actual needs.

Embodiment 3

[0058] This embodiment provides an air purifier, including the plasma generating device provided in the above embodiment. For the air purifier provided in this embodiment, any form of fan can be selected. When the air flows through the electrode structure, there is no wind resistance and no consumables, and the air purifier can achieve efficient sterilization and disinfection.

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Abstract

The invention relates to the technical field of air purification, in particular to an electrode structure, a plasma generating device and an air purification.The electrode structure comprises an ionization electrode, a plasma generating device and an air purification.The ionization electrode is arranged in a spiral shape and suitable for being connected with a power source; the dust collecting electrode is arranged in a spiral shape, the dust collecting electrode is suitable for being grounded, the dust collecting electrode and the ionization electrode are arranged around the same axis, and the projection of the dust collecting electrode on the axis and the projection of the ionization electrode on the axis are arranged alternately or in an overlapped mode. The electrode structure is favorable for realizing small-gap discharge, and the small-gap discharge not only can reduce the discharge voltage, but also can increase the discharge electric field, so that the efficient sterilization and disinfection effect can be realized under the condition of not generating ozone.

Description

technical field [0001] The invention relates to the technical field of air purification, in particular to an electrode structure, a plasma generating device and an air purifier. Background technique [0002] Existing sterilization devices are mainly sterilized by ultraviolet, ozone and electric purification devices. Among them, ultraviolet sterilization needs to be irradiated for a long enough time, and the life of the ultraviolet lamp is short; ozone can actively sterilize, but its concentration is high, which is harmful to the human body; the electric purification device uses corona discharge for sterilization and disinfection, and the existing electric purification device usually Including wire electrodes and plate electrodes, the plate electrodes are usually rectangular plates with a relatively large area, resulting in a larger volume of the entire electric purification device, and at the same time, the corona discharge requires a high discharge voltage and high power co...

Claims

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Application Information

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IPC IPC(8): B03C3/41B03C3/45B03C3/04B03C3/38A61L9/22
CPCB03C3/41B03C3/45B03C3/38B03C3/04A61L9/22
Inventor 肖德玲汪春节封宗瑜罗汉兵胡露王德武
Owner GREE ELECTRIC APPLIANCES INC