JPH0421821U - - Google Patents
Info
- Publication number
- JPH0421821U JPH0421821U JP6192290U JP6192290U JPH0421821U JP H0421821 U JPH0421821 U JP H0421821U JP 6192290 U JP6192290 U JP 6192290U JP 6192290 U JP6192290 U JP 6192290U JP H0421821 U JPH0421821 U JP H0421821U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- monitor
- vibration monitor
- indicator
- capacitor
- 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.)
- Pending
Links
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims 2
- 230000010354 integration Effects 0.000 claims 2
- 230000001133 acceleration Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
はＣＰＵの動作フロー図、第３図は従来例を示す
回路図である。
１，４……増幅回路、２，３……積分回路、５
……絶対値増幅回路、７……指示計、８……警報
回路、Ａ，Ｂ……放電回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an operation flow diagram of a CPU, and FIG. 3 is a circuit diagram showing a conventional example. 1, 4...Amplification circuit, 2, 3...Integrator circuit, 5
... Absolute value amplification circuit, 7 ... Indicator, 8 ... Alarm circuit, A, B ... Discharge circuit.
Claims (1)
する２段の積分回路とこの後段の積分回路よりの
変位信号を直流電圧に変換し指示計に出力する絶
対値増幅回路を備えた振動モニタにおいて、 前記後段の積分回路のコンデンサ及び絶対値増
幅回路のコンデンサに夫々並列にスイツチを備え
た放電回路を設けると共に、電源投入時、リセツ
ト時及びチヤンネル切換時を監視して前記放電回
路のスイツチを短時間オンとするＣＰＵを備えて
なることを特徴とする振動モニタの指示計の振り
切れ防止回路。[Claim for Utility Model Registration] A two-stage integration circuit that integrates the sensor input signal from the acceleration sensor twice, and an absolute value amplification circuit that converts the displacement signal from the subsequent integration circuit into a DC voltage and outputs it to the indicator. In the vibration monitor, a discharge circuit equipped with a switch is provided in parallel with the capacitor of the integrating circuit and the capacitor of the absolute value amplification circuit in the latter stage, and the vibration monitor is configured to monitor when the power is turned on, when reset, and when switching channels. A swing-out prevention circuit for an indicator of a vibration monitor, comprising a CPU that turns on a discharge circuit switch for a short time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6192290U JPH0421821U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6192290U JPH0421821U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421821U true JPH0421821U (en) | 1992-02-24 |
Family
ID=31590609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6192290U Pending JPH0421821U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421821U (en) |
-
1990
- 1990-06-12 JP JP6192290U patent/JPH0421821U/ja active Pending