JPH0392838U - - Google Patents

Description

Translated fromJapanese

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例によるアーク検出
回路を示す図、第２図は従来のアーク検出回路を
示す図、第３図は一実施例の各部での波形を示す
図、第４図はこの考案の他の実施例によるアーク
検出回路の一実施例を示す図、第５図は第４図の
実施例の各部での波形を示す図である。図におい
て１はマイクロ波送信管、２は第一の結合器、３
は第一の検波器、４は導波管回路、５は第二の結
合器、６は第二の検波器、７は引き算回路、８は
規準電圧源、９は比較回路、１０はゲートタイミ
ング回路、１１はゲート回路、１２は遅延回路、
１３は反射波結合器、１４は検波器である。なお
図中、同一符号は同一または相当部分を示す。 Fig. 1 is a diagram showing an arc detection circuit according to an embodiment of this invention, Fig. 2 is a diagram showing a conventional arc detection circuit, Fig. 3 is a diagram showing waveforms at various parts of one embodiment, and Fig. 4 5 is a diagram showing an embodiment of an arc detection circuit according to another embodiment of this invention, and FIG. 5 is a diagram showing waveforms at various parts of the embodiment of FIG. 4. In the figure, 1 is a microwave transmitting tube, 2 is a first coupler, and 3
is the first detector, 4 is the waveguide circuit, 5 is the second coupler, 6 is the second detector, 7 is the subtraction circuit, 8 is the reference voltage source, 9 is the comparison circuit, 10 is the gate timing circuit, 11 is a gate circuit, 12 is a delay circuit,
13 is a reflected wave coupler, and 14 is a wave detector. In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims (1)

Translated fromJapanese

【実用新案登録請求の範囲】(1) マイクロ波送信管とその出力に接続した第
一の結合器および第一の検波器と、第一の結合器
に接続した導波管回路と、導波管回路に接続した
第二の結合器および第二の検波器と、第一の検波
器と第二の検波器に接続した引き算回路と、規準
電圧源と、上記引き算回路と規準電圧源に接続し
た比較回路を有し、ゲートタイミング回路と、そ
の出力端及び上記比較回路に接続したゲート回路
を備えたことを特徴とするアーク検出回路。(2) マイクロ波波送信管と、その出力に接続し
た導波管回路と、導波管回路に接続した結合器と
、結合器に接続した検波器と、検波器に接続した
遅延回路と、検波器と遅延回路に接続した引き算
回路と、規準電圧源と、上記引き算回路と規準電
圧源に接続した比較回路を有し、ゲートタイミン
グ回路と、その出力端及び上記比較回路に接続し
たゲート回路を備えたことを特徴とするアーク検
出回路。[Claims for Utility Model Registration] (1) A microwave transmitting tube, a first coupler and a first detector connected to its output, a waveguide circuit connected to the first coupler, and a waveguide a second coupler and a second detector connected to the tube circuit; a subtraction circuit connected to the first detector and the second detector; a reference voltage source; and a connection to the subtraction circuit and the reference voltage source. What is claimed is: 1. An arc detection circuit comprising: a gate timing circuit; and a gate circuit connected to the output terminal of the gate timing circuit and the comparison circuit. (2) a microwave transmitting tube, a waveguide circuit connected to its output, a coupler connected to the waveguide circuit, a detector connected to the coupler, and a delay circuit connected to the detector; A gate circuit having a subtraction circuit connected to the detector and the delay circuit, a reference voltage source, and a comparison circuit connected to the subtraction circuit and the reference voltage source, and connected to a gate timing circuit, its output terminal, and the comparison circuit. An arc detection circuit characterized by comprising: