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Air ionizer electrode drive circuit and method

A technology for driving circuits and ionizers, applied in chemical instruments and methods, electrostatic separation, electrostatic effect separation, etc., can solve the problems of unrealized electrode driving circuits and methods, etc.

Active Publication Date: 2012-07-25
OXION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] There is an unfulfilled need for air ionizer electrode drive circuits and methods that can be used to generate abundant, controllable amounts of negative ions with less chance of accidental ozone generation

Method used

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  • Air ionizer electrode drive circuit and method
  • Air ionizer electrode drive circuit and method
  • Air ionizer electrode drive circuit and method

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Embodiment Construction

[0031] figure 1 is a block diagram of an air ionizer electrode drive circuit according to an embodiment. The drive circuit has two main components: a controller 12 and a high voltage generator 16 . At the heart of the drive circuitry is a controller 12, and suitably a microcontroller or microprocessor having a central processing unit (CPU) 14 and associated support circuitry, such as in Program memory, data memory, oscillator, timer, and watchdog in one integrated circuit package.

[0032] User input is via one or more push button switches 11 to control the functions of the ionizer. These push button switches are connected to the controller 12 through the digital input interface 13 . In this embodiment, the functions to be controlled include ion output level, booster fan run time, and various combinations thereof. The status and mode of operation of the ionizer are suitably displayed by function indicators, such as LEDs, which are driven by the controller 12 through the di...

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PUM

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Abstract

An air ionizer electrode drive circuit and method in which an AC high voltage of predetermined constant amplitude is output by a high voltage generator (16) for application to the ionizer electrodes. The level of ions produced is then controlled by the ion production time using a controller (12) that switches the voltage generator on and off in a repeating manner. The duty cycle, i.e. on-off ratio, at which the voltage generator operates then determines the average ion production rate. This method allows control of the ion production level from 0 to 100% of the range.

Description

technical field [0001] The present invention generally relates to the generation of negative ions in the air. More particularly, the present invention relates to electrode drive circuits and methods for use in controlling negative ion production levels in air ionizers. Background technique [0002] In recent decades, negative air ions have been found to be an essential component of good air quality. These negative ions have been shown to have beneficial physiological effects on plants, animals and humans. Extensive research has determined that an abundance of negative ions in the environment can enhance mood, improve metabolic activity, speed recovery, and increase athlete performance. In addition, negative ions have been shown to have important air-purifying functions (e.g., removal of harmful dust particles), deodorize, and kill a variety of microorganisms. [0003] An air ionizer may comprise an electrode assembly of the general type, such as that seen in US Pat. No. 7...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03C3/38H01T23/00H03K7/00
CPCB03C3/383B03C3/68H01T23/00B03C2201/10
Inventor 夏家保
Owner OXION