JPH0195521U

JPH0195521U -

Info

Publication number: JPH0195521U
Application number: JP19108087U
Authority: JP
Priority date: 1987-12-16
Filing date: 1987-12-16
Publication date: 1989-06-23

Description

[Brief explanation of the drawing]

第１図は、本考案に係るパテイキユレートトラ
ツプの再燃焼装置の一実施例を示すハードウエア
構成図、第２図は、本考案において第１図に示し
たコントローラで実行されるプログラムのフロー
チヤート図、第３図は、本考案の一実施例として
使用されるセラミツク製ハニカム構造のトラツプ
を一部断面で示す図、第４図は、検出容量及び検
出電圧と捕集量との関係を示すグラフ図、第５図
は、温度補正係数を求めるためのグラフ図、第６
図は、特開昭５９―１８２２１号公報に示された
装置の一部を示す構成図、である。第１図において、１は排気管、２はパテイキユ
レートトラツプ、５は静電容量センサ、６は電圧
発生回路、１０はコントローラを、それぞれ示す
。尚、図中、同一符号は同一又は相当部分を示す
。 Fig. 1 is a hardware configuration diagram showing an embodiment of the particulate trap reburning device according to the present invention, and Fig. 2 shows a program executed by the controller shown in Fig. 1 in the present invention. Flowchart diagram, FIG. 3 is a partial cross-sectional view of a ceramic honeycomb structure trap used as an embodiment of the present invention, and FIG. 4 is a diagram showing the relationship between detection capacitance, detection voltage, and trapped amount. Figure 5 is a graph showing the temperature correction coefficient, Figure 6 is a graph for determining the temperature correction coefficient.
The figure is a block diagram showing a part of the apparatus disclosed in Japanese Patent Laid-Open No. 59-18221. In FIG. 1, 1 is an exhaust pipe, 2 is a particulate trap, 5 is a capacitance sensor, 6 is a voltage generating circuit, and 10 is a controller. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A capacitance sensor that detects the capacitance of a particulate trap installed in the engine exhaust system as a voltage value, and a control that controls the start and end of reburning of the trap based on the output voltage of the sensor. A reburning device for a particulate trap, comprising: