JPS60187179U - Elevator safety device - Google Patents
Elevator safety deviceInfo
- Publication number
- JPS60187179U JPS60187179U JP7467184U JP7467184U JPS60187179U JP S60187179 U JPS60187179 U JP S60187179U JP 7467184 U JP7467184 U JP 7467184U JP 7467184 U JP7467184 U JP 7467184U JP S60187179 U JPS60187179 U JP S60187179U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- signal
- outputs
- safety device
- input terminal
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例の構成を示す回路図、第２図
は従来装置の構成を、示す回路図である。
１，４，３１・・・入力抵抗、２．３．３２．３３・・
・電圧検出手段を構成する抵抗、９・・・電圧比較器と
しての演算増幅器、８・・・トランジスタ。なお、各図
中、同一符号は同一また９相当部分を示すものとする。FIG. 1 is a circuit diagram showing the configuration of an embodiment of the present invention, and FIG. 2 is a circuit diagram showing the configuration of a conventional device. 1, 4, 31... Input resistance, 2.3.32.33...
- A resistor constituting a voltage detection means, 9... an operational amplifier as a voltage comparator, 8... a transistor. In each figure, the same reference numerals indicate the same parts or parts corresponding to 9.
Claims (2)
度を検出したとき、および、正、負電圧をそれぞれ出力
するエレベータ制御回路用電源の電圧降下を検出したと
きの少なくとも一方で、安全操作のための有意信号を出
力するエレベータの安全装置において、前記電源の正電
圧に比例した電圧信号を出力する第１の電圧検出手段と
、前記電源の負電圧に比例した電圧信号を出力する第２
の電圧検出手段と、それ誉゛れ入力抵抗を介して、一方
の入力端子に前記速度検串信号を加えると共に、この速
度検出信号と逆極性の前記電圧信号を加え、他方の入力
端子に前記速度検出信号と同極性の前記電圧信号を加え
て両入力端子の電圧信号レベルを比較し、一方の入力端
子の徊号レベルが他方の入力端子の信号レベルを超えた
とき安全操作のための有意信号を出力する電圧比較器と
を具備したことを特徴とするエレベータの安全装置。(1) Safe operation at least when an excessive speed of the car is detected based on the speed detection signal of the car, and when a voltage drop in the power supply for the elevator control circuit that outputs positive and negative voltages respectively is detected. In the elevator safety device that outputs a significant signal for the purpose of the present invention, the first voltage detection means outputs a voltage signal proportional to the positive voltage of the power supply, and the second voltage detection means outputs a voltage signal proportional to the negative voltage of the power supply.
The speed detection signal is applied to one input terminal through the voltage detection means and the input resistor, and the voltage signal having the opposite polarity to this speed detection signal is applied to the other input terminal. The voltage signal level of both input terminals is compared by adding the voltage signal of the same polarity as the speed detection signal, and when the signal level of one input terminal exceeds the signal level of the other input terminal, a signal is determined for safe operation. An elevator safety device characterized by comprising a voltage comparator that outputs a signal.
圧回路でなり、前２電圧比較器は演算増幅器でなる実用
新案登録請求の範囲第１項記載のエレベータの安全装置
。(2) The elevator safety device according to claim 1, wherein the first and second voltage detection means are both resistive voltage divider circuits, and the first two voltage comparators are operational amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7467184U JPS60187179U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7467184U JPS60187179U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60187179U true JPS60187179U (en) | 1985-12-11 |
Family
ID=30615180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7467184U Pending JPS60187179U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60187179U (en) |
-
1984
- 1984-05-22 JP JP7467184U patent/JPS60187179U/en active Pending
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