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Ozone removal device, image forming apparatus having the same, and method for removing ozone

An ozone and image technology, applied in the direction of instruments, optics, electrical recording, etc., can solve the problems of high power and increased cost burden

Active Publication Date: 2010-09-01
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This heating requires a lot of power, which increases the burden of costs associated with power consumption

Method used

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  • Ozone removal device, image forming apparatus having the same, and method for removing ozone
  • Ozone removal device, image forming apparatus having the same, and method for removing ozone
  • Ozone removal device, image forming apparatus having the same, and method for removing ozone

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0027] Below, refer to Figure 1 to Figure 5 Embodiment 1 of the present invention will be described. In this embodiment, a case where the ozone removal device of the present invention is applied to a color laser printer which is an image forming device will be described.

[0028] figure 2 Showing Embodiment 1 of the present invention, it is a longitudinal sectional view showing a schematic structure of a color laser printer (image forming apparatus) 100 . The color laser printer 100 of this embodiment is as figure 2 As shown, it is equipped with optical system assembly E, four visible image forming assemblies pa·pb·pc·pd, intermediate transfer belt 11, secondary transfer assembly 14, fixing assembly 15, internal paper feeding assembly 16, manual paper feeding The assembly 17 and the frame 20 that accommodates these components.

[0029] The visible image forming unit pa has a photoreceptor 101a, a charging unit 103a, a developing unit 102a, a cleaning unit 104a, and a pr...

Embodiment approach 2

[0062] Below, refer to Figure 8 and Figure 9 Embodiment 2 of the present invention will be described. On the other hand, for convenience of description, members having the same functions as those described in Embodiment 1 are denoted by the same reference numerals, and their descriptions are omitted. In this embodiment, a case where the ozone removing device of the present invention is applied to a color laser printer which is an image forming device will also be described.

[0063] Such as Figure 9 As shown, the color laser printer 100 ′ of this embodiment basically has the same configuration as the color laser printer of Embodiment 1, but a first exhaust duct 21 ′ is provided instead of the first exhaust duct 21 . Such as Figure 8 As shown, in the first exhaust duct 21', the electric field forming component (electric field forming part) 207 is arranged on the downstream side of the ion releasing component 203 in the form of generating an electric field, which is the ...

Embodiment 1

[0069] Using the color laser printer 100 of Embodiment 1 described above, the ozonolysis effect of the ion emission module 203 was verified by the following experiments.

[0070] Experiment 1

[0071] First, in order to evaluate the performance of the above-mentioned ion releasing module 203, the release amount of negative ions was measured using an ion measuring device AIC-2000 manufactured by Sato Shoji Co., Ltd. The results showed that 20 million ions / cc of ions could be stably released even at a distance of 60 cm or more from the needle tip. In addition, similarly, the amount of ozone generation was measured using EG-2001F (ultraviolet absorption method) manufactured by Ebara Industrial Co., Ltd., and it was confirmed that the ozone concentration was 0.001 ppm or less.

[0072] From the above facts, it can be confirmed that the ion releasing module 203 of the embodiment can stably generate a fixed amount of negative ions and hardly generate ozone when generating negative ...

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Abstract

The present invention provides a novel ozone eliminating device which is different from the ozone decomposing filter or the heating source and the like, an ozone eliminating method and an image forming device which is provided with the ozone eliminating device. A color laser printer is provided with a first exhaust pipe for eliminating the ozone generated by the electric component and the like configured in the frame body to the outside of the frame body. The first exhaust pipe is provided with a catalytic honeycomb filter for ozone treatment and an ion emitting unit for generating negative ions in the atmosphere. Most of the ozone which is included in the gas flowing into the first exhaust pipe is decomposed and / or absorbed by the catalytic honeycomb filter for ozone treatment, and the residual ozone component is decomposed by the negative ions generated by the ion emitting unit.

Description

technical field [0001] The present invention relates to an ozone removal device and an ozone removal method for removing ozone in the atmosphere, and an image forming apparatus provided with the ozone removal device. Background technique [0002] In an image forming apparatus using an electrophotographic process, a procedure for charging an image carrier such as a photosensitive drum and a procedure for transferring a toner image on the image carrier to recording paper and an intermediate transfer belt are necessary and necessary. Indispensable. As the chargers and duplicators used in these procedures, roller-shaped and brush-shaped contact devices are mostly used, and because the roller-shaped and brush-shaped chargers and transfer devices are in contact with the image carrier and intermediate transfer belt, etc. , thus causing wear and aging of the image carrier and intermediate transfer belt. Therefore, in recent years, contact type chargers and referrers are only used ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G21/00
Inventor 道正田洋足立克己香川敏章
Owner SHARP KK
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