JPH0312873U - - Google Patents
Info
- Publication number
- JPH0312873U JPH0312873U JP7297389U JP7297389U JPH0312873U JP H0312873 U JPH0312873 U JP H0312873U JP 7297389 U JP7297389 U JP 7297389U JP 7297389 U JP7297389 U JP 7297389U JP H0312873 U JPH0312873 U JP H0312873U
- Authority
- JP
- Japan
- Prior art keywords
- braking device
- electromagnetic
- lever
- pressure sensor
- excitation coil
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Cage And Drive Apparatuses For Elevators (AREA)
- Braking Arrangements (AREA)
Description
第１図は本考案の一実施例の電磁制動装置の側
面図、第２図は第１図中の電磁石の部分断面図、
第３図は本考案の電気回路図を示す。
１……電動機軸、２……フレーキドラム、４…
…ブレーキライニング、５……制動ばね、８……
磁気センサ、１１……可動鉄心、１４……励磁コ
イル、１６……電動機、１７……警報装置、１８
……圧力センサ、１５，１９……リレー、Ｕ１〜
Ｕ３，Ｄ１〜Ｕ３……接点。
Fig. 1 is a side view of an electromagnetic braking device according to an embodiment of the present invention, Fig. 2 is a partial cross-sectional view of the electromagnet in Fig. 1,
FIG. 3 shows an electrical circuit diagram of the present invention. 1...Electric motor shaft, 2...Flake drum, 4...
...Brake lining, 5...Brake spring, 8...
Magnetic sensor, 11...Movable iron core, 14...Exciting coil, 16...Electric motor, 17...Alarm device, 18
...Pressure sensor, 15,19...Relay, U 1 ~
U3 , D1 to U3 ...Contacts.
Claims (1)
た励磁コイルと、前記励磁コイルの内部に配置し
た固定鉄心と、前記固定鉄心に対向して配置され
、前記固定鉄心に吸引動作する可動鉄心と前記可
動鉄心と連結し動作するブレーキライニング付レ
バーと、前記レバーを押圧するばねとを含む電磁
制動装置において、 前記ばねと前記レバー間に圧力センサを設けた
ことを特徴とする電磁制動装置。 ２ 請求項１に記載の前記圧力センサは、圧電素
子、歪抵抗素子であることを特徴とする電磁制動
装置。 ３ 請求項１に記載の前記励磁コイル部分に磁力
によつて動作する磁気センサを設けたことを特徴
とする電磁制動装置。 ４ 請求項３において、前記圧力センサの出力信
号と前記磁気センサの出力信号とを比較し、不一
致のとき、電動機の回転を停止したり、非常灯の
点灯、警報を発することを特徴とする電磁制動装
置。[Claims for Utility Model Registration] 1. A yoke forming an outer frame, an excitation coil built into the yoke, a fixed core disposed inside the excitation coil, and a yoke disposed opposite the fixed core. , an electromagnetic braking device including a movable iron core that attracts the fixed iron core, a lever with a brake lining that operates in conjunction with the movable iron core, and a spring that presses the lever, wherein a pressure sensor is provided between the spring and the lever. An electromagnetic braking device characterized by: 2. The electromagnetic braking device according to claim 1, wherein the pressure sensor is a piezoelectric element or a strain resistance element. 3. An electromagnetic braking device characterized in that a magnetic sensor operated by magnetic force is provided in the excitation coil portion according to claim 1. 4. The electromagnetic device according to claim 3, wherein the output signal of the pressure sensor and the output signal of the magnetic sensor are compared, and when they do not match, the electromagnetic device stops the rotation of the electric motor, turns on an emergency light, or issues an alarm. Braking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7297389U JPH0312873U (en) | 1989-06-23 | 1989-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7297389U JPH0312873U (en) | 1989-06-23 | 1989-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312873U true JPH0312873U (en) | 1991-02-08 |
Family
ID=31611390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7297389U Pending JPH0312873U (en) | 1989-06-23 | 1989-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312873U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004007987A1 (en) * | 2002-07-17 | 2004-01-22 | Mitsubishi Denki Kabushiki Kaisha | Electromagnetic brake |
| JP2011116485A (en) * | 2009-12-02 | 2011-06-16 | Hitachi Ltd | Elevator |
| JP2011121669A (en) * | 2009-12-09 | 2011-06-23 | Nippon Otis Elevator Co | Abnormality detecting device of electromagnetic brake in elevator |
-
1989
- 1989-06-23 JP JP7297389U patent/JPH0312873U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004007987A1 (en) * | 2002-07-17 | 2004-01-22 | Mitsubishi Denki Kabushiki Kaisha | Electromagnetic brake |
| JP2011116485A (en) * | 2009-12-02 | 2011-06-16 | Hitachi Ltd | Elevator |
| JP2011121669A (en) * | 2009-12-09 | 2011-06-23 | Nippon Otis Elevator Co | Abnormality detecting device of electromagnetic brake in elevator |
| GB2488504B (en) * | 2009-12-09 | 2014-06-04 | Otis Elevator Co | Detector for electromagnetic brake |
| KR101510809B1 (en) * | 2009-12-09 | 2015-04-10 | 오티스 엘리베이터 컴파니 | Detector for electromagnetic brake |
| US9359178B2 (en) | 2009-12-09 | 2016-06-07 | Otis Elevator Company | Detector for electromagnetic brake |