JPS60186891U - Elevator safety device - Google Patents
Elevator safety deviceInfo
- Publication number
- JPS60186891U JPS60186891U JP7467084U JP7467084U JPS60186891U JP S60186891 U JPS60186891 U JP S60186891U JP 7467084 U JP7467084 U JP 7467084U JP 7467084 U JP7467084 U JP 7467084U JP S60186891 U JPS60186891 U JP S60186891U
- Authority
- JP
- Japan
- Prior art keywords
- safety device
- determining
- detector
- circuit
- filter circuit
- 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
Landscapes
- Protection Of Static Devices (AREA)
- Control Of Ac Motors In General (AREA)
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図は本考案のエレベータの安全装置、特にその
フィルタ回路の一実施例を示す回路図、第２図Ａはトラ
ンジスタインバータ装置のトラレジ、ろ夕が正常に動作
し、ている場合のＤＣ−ＣＴ検出器の。
出力波形図、同図Ｂは同じくそのフィルタ回路を通した
出力波形図、第３図は従来のＶＶＶＦ制御方゛式のエレ
ベータの制御回路図、第４図Ａはトランジスタインバー
ター置を構成するいずれかρト、ランジスタがオフ、故
障した場合の電流帰還用ＤＣ−。
ＣＴ検出器の出力波形図、同図Ｂは同じくそのラ 、
−２イ゛ルタ回・路を通した出力波形図である。
。
６・・′・トランジスタインバータ装置、？、８．−
９．１０，１１．１２・・・トランジスタ、１３，１４
−・・・電流帰還用ＤＣ−，ＣＴ検出器、１５・・・誘
導電動 。
−機、１６・・−ＰＷＭ回路、１８・・・ベース、駆動
回路、 −↓！・・・フィルタ回路、２１．２２・
・・コンパレ一３５
１ ・ Ｋ 。
□□□−−・ ＼−−關Ｎ橢−□岬□−−
−―−１、−−−−−］−、−、：゛Figure 1 is a circuit diagram showing an embodiment of the elevator safety device of the present invention, particularly its filter circuit, and Figure 2A is a circuit diagram showing an embodiment of the elevator safety device of the present invention, especially its filter circuit. of DC-CT detector. Output waveform diagram, Figure B is a diagram of the output waveform passed through the filter circuit, Figure 3 is a control circuit diagram of an elevator using the conventional VVVF control method, and Figure 4A is a diagram of one of the transistors that constitutes the transistor inverter arrangement. ρ, DC- for current feedback in case the transistor turns off or fails. The output waveform diagram of the CT detector.
FIG. 2 is an output waveform diagram through a -2 inverter circuit.
. 6...' Transistor inverter device? , 8. −
9.10,11.12...transistor, 13,14
-... DC for current feedback, CT detector, 15... Induction motor. -Machine, 16...-PWM circuit, 18...Base, drive circuit, -↓! ...filter circuit, 21.22.
... Compare 1 35 1 K. □□□−−・＼−−關N橢−□Misaki□−−
---1, ------]-,-,:
Claims (1)
かご駆動用誘導電動機を可変電圧変周波数゛制御するト
ランジスタインバータ奔備えｈものにおいそ、前記誘導
電動機のモータ電流を検出するためのＤＣ−ＣＴ検出器
と、この検出器によって検出されたモータ電流の隼均値
を求めるフィルタ回゛ 路と、この、フィルタ回路
の出力の極性を判別する回路とを有し、前記極性の判別
によりトランジスタインバータを構成するトランジスタ
のオフ故障番検出することを特徴とする予しベータの安
全装置。1. A transistor inverter for controlling a plurality of transistors on and off to control an induction motor for driving an elevator car with variable voltage and variable frequency; and a DC-CT detector for detecting a motor current of the induction motor. , a filter circuit for determining the average value of the motor current detected by this detector, and a circuit for determining the polarity of the output of the filter circuit, and by determining the polarity, a transistor forming a transistor inverter is formed. A pre-beta safety device characterized by detecting off-failure numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7467084U JPS60186891U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7467084U JPS60186891U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60186891U true JPS60186891U (en) | 1985-12-11 |
Family
ID=30615179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7467084U Pending JPS60186891U (en) | 1984-05-22 | 1984-05-22 | Elevator safety device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60186891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416193U (en) * | 1987-07-20 | 1989-01-26 |
-
1984
- 1984-05-22 JP JP7467084U patent/JPS60186891U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6416193U (en) * | 1987-07-20 | 1989-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60186891U (en) | Elevator safety device | |
| JPS5822801U (en) | electric car control device | |
| JPS5973919U (en) | Electric wheelchair control device | |
| JPS6023178U (en) | Elevator rescue operation device | |
| JPS5860661U (en) | DC elevator control device | |
| JPS596805U (en) | Proportional solenoid drive circuit | |
| JPS6024107U (en) | Electric vehicle control device | |
| JPS5860663U (en) | AC elevator control device | |
| JPS5972893U (en) | oscillation circuit | |
| JPS61159893U (en) | ||
| JPS60190189U (en) | Elevator safety device | |
| JPH02107224U (en) | ||
| JPS59105268U (en) | Elevator rescue operation control device | |
| JPS59135099U (en) | DC motor drive circuit | |
| JPS59191891U (en) | load drive device | |
| JPS62182093U (en) | ||
| JPH02150799U (en) | ||
| JPS60141699U (en) | Inverter-driven motor regenerative energy processing device | |
| JPS58183092U (en) | Induction motor speed control device | |
| JPH0186499U (en) | ||
| JPS59141496U (en) | Electric motor deceleration control device | |
| JPS59191898U (en) | AC motor control device | |
| JPS58173657U (en) | Elevator speed control device | |
| JPS59160438U (en) | Electric seat position control device based on height | |
| JPS6149598U (en) |