JPH0472887U - - Google Patents
Info
- Publication number
- JPH0472887U JPH0472887U JP1990114655U JP11465590U JPH0472887U JP H0472887 U JPH0472887 U JP H0472887U JP 1990114655 U JP1990114655 U JP 1990114655U JP 11465590 U JP11465590 U JP 11465590U JP H0472887 U JPH0472887 U JP H0472887U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- outputs
- result
- carrier signal
- voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Control Of Ac Motors In General (AREA)
Description
図面はこの考案実施例のブロツク図である。
１……カウンタ回路、２……電圧比較回路、３
……基準電圧設定回路、４……演算回路、５……
表示装置、Ａ……ドライブ回路。
The drawing is a block diagram of an embodiment of the invention. 1... Counter circuit, 2... Voltage comparison circuit, 3
...Reference voltage setting circuit, 4...Arithmetic circuit, 5...
Display device, A...drive circuit.
Claims (1)
信号を入力し、該キヤリア信号のパルス数を計数
した後、その結果を出力するカウンタ回路と、 前記キヤリア信号を入力し、該キヤリア信号の
電圧が基準範囲内にあるかどうかを比較判別し、
その結果を出力する電圧比較回路と、 前記カウンタ回路と電圧比較回路の出力とを乗
算演算し、その結果を表示装置へ出力する演算回
路と、 前記演算回路の出力を表示する表示装置 とで構成された、インバータ用ドライブ回路の動
作確認装置。 ２ インバータのドライブ回路におけるキヤリア
信号を入力し、該キヤリア信号のパルス数を計数
した後、その結果を出力するカウンタ回路と、 前記キヤリア信号を入力し、該キヤリア信号の
電圧が基準範囲内にあるかどうかを判別し、その
結果を出力する電圧比較回路と、 前記カウンタ回路と電圧比較回路の出力を表示
する表示装置 とで構成された、インバータ用ドライブ回路の動
作確認装置。 ３ 設定パルス数は予めカウンタ回路に設定され
た、請求項１又は２記載のインバータ用ドライブ
回路の動作確認装置。[Claims for Utility Model Registration] 1. A counter circuit that inputs a carrier signal in an inverter drive circuit, counts the number of pulses of the carrier signal, and then outputs the result; A counter circuit that inputs the carrier signal and outputs the result. compare and determine whether the voltage is within the reference range,
Consists of a voltage comparison circuit that outputs the result, an arithmetic circuit that multiplies the outputs of the counter circuit and the voltage comparison circuit, and outputs the result to a display device, and a display device that displays the output of the arithmetic circuit. A device to check the operation of inverter drive circuits. 2. A counter circuit that inputs a carrier signal in an inverter drive circuit, counts the number of pulses of the carrier signal, and outputs the result; and a counter circuit that inputs the carrier signal and whose voltage is within a reference range. An operation check device for an inverter drive circuit, comprising: a voltage comparator circuit that determines whether or not the voltage is present, and outputs the result; and a display device that displays the outputs of the counter circuit and the voltage comparator circuit. 3. The operation checking device for an inverter drive circuit according to claim 1 or 2, wherein the set number of pulses is set in advance in a counter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990114655U JPH0715353Y2 (en) | 1990-10-31 | 1990-10-31 | Inverter drive circuit operation confirmation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990114655U JPH0715353Y2 (en) | 1990-10-31 | 1990-10-31 | Inverter drive circuit operation confirmation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0472887U true JPH0472887U (en) | 1992-06-26 |
| JPH0715353Y2 JPH0715353Y2 (en) | 1995-04-10 |
Family
ID=31862361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990114655U Expired - Lifetime JPH0715353Y2 (en) | 1990-10-31 | 1990-10-31 | Inverter drive circuit operation confirmation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715353Y2 (en) |
-
1990
- 1990-10-31 JP JP1990114655U patent/JPH0715353Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0715353Y2 (en) | 1995-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |