JPH03110286A - Obstruction sensing and stopping device for power-driven roll blind - Google Patents

Obstruction sensing and stopping device for power-driven roll blind

Info

Publication number
JPH03110286A
JPH03110286A JP1249483A JP24948389A JPH03110286A JP H03110286 A JPH03110286 A JP H03110286A JP 1249483 A JP1249483 A JP 1249483A JP 24948389 A JP24948389 A JP 24948389A JP H03110286 A JPH03110286 A JP H03110286A
Authority
JP
Japan
Prior art keywords
screen
winding shaft
obstacle detection
power
motor
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
Application number
JP1249483A
Other languages
Japanese (ja)
Other versions
JP2665003B2 (en
Inventor
Yuichi Miura
雄一 三浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tachikawa Blind Manufacturing Co Ltd
Original Assignee
Tachikawa Blind Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tachikawa Blind Manufacturing Co Ltd filed Critical Tachikawa Blind Manufacturing Co Ltd
Priority to JP1249483A priority Critical patent/JP2665003B2/en
Publication of JPH03110286A publication Critical patent/JPH03110286A/en
Application granted granted Critical
Publication of JP2665003B2 publication Critical patent/JP2665003B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40Roller blinds
    • E06B9/42Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/58Guiding devices
    • E06B9/581Means to prevent or induce disengagement of shutter from side rails
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E06B2009/885Braking mechanism activated by the bottom bar

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

PURPOSE:To make the maintenance and control of power source easier as well as prevent the disorder of action by a method in which an obstruction sensor switch and an outgoing device are provided to a bottom bar and an electric power is supplied through electrodes and a current-collecting brush provided to a support bracket from an external power source. CONSTITUTION:The winding shaft 2 of a screen 4 is rotatably supported on a housing case 3, and a motor controlled by a controller is driven to raise or lower the screen 4. In such a power-driven roll blind 1, an obstruction sensor switch 7 and an outgoing device 8 to send out signals on the basis of the closed circuit are provided to a bottom bar 6 on the lower end of the screen 4, and an incoming device to stop the motor by receiving the signals is also provided in the case 3. Electric power is supplied to the device 8 through electrodes 18 and current-collecting brushes 16 and a power source cord 14 provided to a support bracket 17 from an external source.

Description

【発明の詳細な説明】 [産業上の利用分野] この発明はモータの駆動力でスクリーンを昇降する電動
ブラインドにおいて、スクリーン下降時に同スクリーン
が障害物に当接した場合にはモータの作動を自動的に停
止させる障害物検知停止装置に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] This invention is an electric blind that raises and lowers a screen using the driving force of a motor, and when the screen comes into contact with an obstacle when lowering the screen, the motor is automatically activated. This invention relates to an obstacle detection and stop device that stops the vehicle.

[従来の技術] 従来、この種の障害物検知停止装置は電動シャッターに
おいて多数実施されている。すなわち、例えば特開昭6
3−167877号公報に記載されているように、シャ
ッターのエンドスラ・ットには障害物検出スイッチとそ
の障害物検出スイ・ツチの閉路に基いて赤外線を発信す
る発信装置が設けられ、収納ボックス内にはその発信装
置から発信される赤外線を受信してモータを停止させる
受信装置が設けられている。そして、エンドスラットが
障害物に当接して障害物検出スイ・ツチが閉路されると
、発信装置から発信される赤外線に基いてモータが自動
的に停止されるようになっている。
[Prior Art] Conventionally, many obstacle detection and stop devices of this type have been implemented in electric shutters. That is, for example, JP-A No. 6
As described in Publication No. 3-167877, the end slat of the shutter is provided with an obstacle detection switch and a transmitting device that emits infrared rays based on the closing of the obstacle detection switch. A receiving device is provided inside the motor to stop the motor by receiving the infrared rays emitted from the transmitting device. When the end slat comes into contact with an obstacle and the obstacle detection switch is closed, the motor is automatically stopped based on the infrared rays emitted from the transmitter.

[発明が解決しようとする課U] ところが、上記のような障害物検知停止装置では発信装
置の電源として乾電池をエンドスラ・yト内に収納して
いる。このため、乾電池の電圧値を常時管理する必要が
あるとともに、その管理を怠って電圧値が低下した場合
には障害物検知停止装置が正常に動作しなくなるので、
その維持管理が煩雑であった。
[Problem to be Solved by the Invention] However, in the above-mentioned obstacle detection and stop device, a dry battery is housed in the end rack as a power source for the transmitting device. For this reason, it is necessary to constantly manage the voltage value of the dry battery, and if the voltage value drops due to neglect, the obstacle detection and stop device will not operate properly.
Its maintenance and management was complicated.

この発明の目的は、障害物検知停止装置の電源の維持管
理が容易であるとともに、その電源に起因する動作不良
を未然に防止可能とした電動ロールブラインドを提供す
るにある。
SUMMARY OF THE INVENTION An object of the present invention is to provide an electric roll blind in which the power source of an obstacle detection and stop device can be easily maintained and managed, and malfunctions caused by the power source can be prevented.

[課題を解決するための手段] この発明は上記問題点を解決するために、第一の発明で
はスクリーンの巻取軸を収納ケースに回転可能に支持し
、その巻取軸を制御装置で駆動されるモータで回転駆動
してスクリーンを昇降可能とした電動ロールブラインド
において、スクリン下端のボトムバーに障害物との当接
時に閉路する障害物検知スイッチと同スイッチの閉路に
基いて信号波を出力する発信器を設け、収納ケースには
その発信器の信号波を受信してモータを停止させる受信
器を設け、スクリーンの端縁には電源コードを取着し、
その電源コードの一端は前記発信器に接続するとともに
他端は巻取軸一端に設けられた集電ブラシに接続し、そ
の集電ブラシは巻取軸の支持ブラケットに設けられた電
極に当接しながら回転可能とし、その電極には外部から
電源を供給する構成とし、 第二の発明ではスクリーンの巻取軸を収納ケースに回転
可能に支持し、その巻取軸を制御装置で駆動されるモー
タで回転駆動してスクリーンを昇降可能とした電動ロー
ルブラインドにおいて、スクリーン下端のボトムバーに
障害物との当接時に閉路する障害物検知スイッチを設け
、スクリーンの端縁には接続コードを取着し、その接続
コードの一端は前記障害物検知スイッチに接続するとと
もに他端は巻取軸一端に設けられた集電ブラシに接続し
、その集電ブラシは巻取軸の支持ブラケットに設けられ
た電極に当接しながら回転可能とし、その電極をモータ
の制御装置に接続する構成としている。
[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a first invention in which a winding shaft of a screen is rotatably supported in a storage case, and the winding shaft is driven by a control device. In electric roll blinds, which are rotatably driven by a motor to raise and lower the screen, the bottom bar at the bottom of the screen has an obstacle detection switch that closes when it comes into contact with an obstacle, and a signal wave is output based on the closing of the switch. A transmitter is installed, a receiver is installed in the storage case to receive the signal wave from the transmitter and stop the motor, and a power cord is attached to the edge of the screen.
One end of the power cord is connected to the transmitter, and the other end is connected to a current collecting brush provided at one end of the winding shaft, and the current collecting brush contacts an electrode provided on the support bracket of the winding shaft. In the second invention, the winding shaft of the screen is rotatably supported in a storage case, and the winding shaft is driven by a motor driven by a control device. In an electric roll blind that can raise and lower the screen by rotationally driving the screen, an obstacle detection switch that closes when it comes into contact with an obstacle is installed on the bottom bar at the bottom of the screen, and a connection cord is attached to the edge of the screen. One end of the connection cord is connected to the obstacle detection switch, and the other end is connected to a current collecting brush provided at one end of the winding shaft, and the current collecting brush is connected to an electrode provided on the support bracket of the winding shaft. It is configured to be rotatable while in contact with each other, and its electrodes are connected to a motor control device.

[作用] 上記手段により、第一の発明では支持ブラケットの電極
、集電ブラシ及び電源コードを介して外部から発信器に
電源が供給されるので、ボトムバー内にバッテリーを収
納する必要はない、また、第二の発明では障害物検知ス
イッチが閉路されているか否かが接続コードで制御装置
に伝達され、その制御装置によりモータが駆動あるいは
停止されるので、ボトムバー内にバッテリーを収納する
必要はない。
[Function] With the above means, in the first invention, power is supplied to the transmitter from the outside via the electrode of the support bracket, the current collecting brush, and the power cord, so there is no need to house the battery in the bottom bar. In the second invention, whether or not the obstacle detection switch is closed is transmitted to the control device via the connection cord, and the control device drives or stops the motor, so there is no need to store the battery in the bottom bar. .

[実施例] 以下、この発明を具体化した第一の実施例を第1図〜第
3図に従って説明すると、第3図に示すように電動ロー
ルブラインド1は巻取軸2が収納ケース3内に回転可能
に支持され、その巻取軸2からスクリーン4が吊下支持
されている。そして、巻取軸2はその一側に設けられた
モータ5の駆動力により回転駆動されてスクリーン4が
昇降され、そのモータ5は操作スイッチ及び制御装置(
ともに図示しない)に基いて電源が供給されて作動する
ようになっている。
[Embodiment] Hereinafter, a first embodiment embodying the present invention will be described with reference to FIGS. 1 to 3. As shown in FIG. The winding shaft 2 is rotatably supported, and a screen 4 is suspended from the winding shaft 2. The winding shaft 2 is rotationally driven by the driving force of a motor 5 provided on one side of the winding shaft 2 to raise and lower the screen 4, and the motor 5 is connected to an operation switch and a control device (
(both not shown), power is supplied to the device for operation.

スクリーン4の下端にはボトムパー6が取着され、その
ボトムパー6下面にはほぼ同ボトムパー6の全長に亘っ
て障害物検知スイッチ7が出没可能に設けられ、同スイ
ッチ7は障害物に当接してボトムパー6内に没入すると
閉路される構成である。ボトムパー6の一側には赤外線
を発信する発信器8が内蔵され、その発信部9がボトム
パー6上面に露出されている。そして、障害物検知スイ
ッチ7が閉路されると、発信器8はその発信部9から赤
外線を発信するようになっている。
A bottom par 6 is attached to the lower end of the screen 4, and an obstacle detection switch 7 is provided on the lower surface of the bottom par 6 so as to be retractable over almost the entire length of the bottom par 6. It has a configuration in which the circuit is closed when it is immersed in the bottom par 6. A transmitter 8 that emits infrared rays is built into one side of the bottom par 6, and a transmitter 9 of the transmitter 8 is exposed on the upper surface of the bottom par 6. When the obstacle detection switch 7 is closed, the transmitter 8 emits infrared rays from its transmitter 9.

発信部9の上方において、収納ケース3の下面には受信
器10が設けられ、発信器8から出力される赤外線を受
信してモータ5の作動を停止させるようになっている。
A receiver 10 is provided on the lower surface of the storage case 3 above the transmitter 9, and receives the infrared rays output from the transmitter 8 to stop the operation of the motor 5.

スクリーン4の左右両端部は枠体11内に配設されるガ
イドレール12に支持された状態で昇降される。すなわ
ち、第1図に示すようにスクリン4の端部には筒状部1
3が形成されたガイド布13aが縫合され、その筒状部
13内に電源コード14が挿通されている。そして、そ
の筒状部13がガイドレール12に設けられた支持溝1
5に挿通されて上下動可能に支持されて、スクリーン4
端縁のガイドレール12からの外れ止めとなっている。
Both left and right ends of the screen 4 are raised and lowered while being supported by guide rails 12 disposed within the frame 11. That is, as shown in FIG.
3 is formed on the guide cloth 13a, and the power cord 14 is inserted into the cylindrical portion 13 of the guide cloth 13a. The cylindrical portion 13 is connected to the support groove 1 provided in the guide rail 12.
The screen 4 is inserted through the screen 5 and supported so as to be movable up and down.
This prevents the edge from coming off the guide rail 12.

電源コード14の一端はボトムパー6内に導入されて前
記発信器8に接続され、他端は第2図に示すように巻取
軸2一端に突出される一対の集電ブラシ16に接続され
ている。そして、その集電ブラシ16は巻取軸2の回転
にともなって回転し、その先端は巻取軸2の支持ブラケ
ット17に設けられた一対のt極18に当接しながらそ
の周囲を回転するように構成され、電極18には外部か
ら商用電源が供給されている。
One end of the power cord 14 is introduced into the bottom par 6 and connected to the transmitter 8, and the other end is connected to a pair of current collecting brushes 16 projected from one end of the winding shaft 2, as shown in FIG. There is. The current collecting brush 16 rotates as the winding shaft 2 rotates, and its tip rotates around a pair of T poles 18 provided on the support bracket 17 of the winding shaft 2. The electrode 18 is supplied with commercial power from the outside.

さて、このように構成された電動ロールブラインドでは
操作スイッチの操作によりモータ5を作動させればスク
リーン4が昇降され、このとき電源コード14はスクリ
ーン4とともに巻取軸2の巻取られる。そして、スクリ
ーン4の下降操作時にボトムパー6が何らかの障害物に
当接して障害物検知スイッチ7が閉路されると、発信器
8から赤外線が発信され、その発信に基いて受信器10
が動作して操作スイッチの操作に優先してモータ5への
電源供給が停止され、スクリーン4の下降が自動的に停
止される。
Now, in the electric roll blind constructed in this manner, the screen 4 is raised and lowered by operating the motor 5 by operating the operation switch, and at this time, the power cord 14 is wound up on the winding shaft 2 together with the screen 4. When the bottom par 6 comes into contact with some obstacle during the lowering operation of the screen 4 and the obstacle detection switch 7 is closed, the transmitter 8 emits infrared rays, and based on the transmission, the receiver 10
is activated, the power supply to the motor 5 is stopped in priority to the operation of the operation switch, and the lowering of the screen 4 is automatically stopped.

そして、発信器8の電源は支持ブラケット17の電極1
8から集電ブラシ16及び電源コード14を介して外部
から供給されるので、ボトムパー6内に専用のバッテリ
ーを収納する必要はなくなる。従って、発信器8の電源
の保守管理は必要なくなるとともに、電源切れによる動
作不良が発生することもない。
The power source of the transmitter 8 is connected to the electrode 1 of the support bracket 17.
Since the power is supplied from the outside through the power collecting brush 16 and the power cord 14 from the power source 8, there is no need to house a dedicated battery in the bottom par 6. Therefore, there is no need to maintain the power source of the transmitter 8, and malfunctions due to power outage do not occur.

なお、障害物検知スイッチは上記のような構成の他にテ
ープスイッチ等同様な作用をなすものを使用することも
できるとともに、信号波は赤外線に限定されるものでは
ない。
In addition to the above-described configuration, the obstacle detection switch may also be a tape switch or the like having a similar function, and the signal wave is not limited to infrared rays.

次に、この発明を具体化した第二の実施例を第4図に従
って説明すると、ボトムパー6に設けられた障害物検知
スイッチ7の一対の端子には接続コード19a、19b
がそれぞれ接続され、その接続コード19a、19bは
ボトムパー6端部から前記実施例と同様にスクリーン4
@部の筒状部13内に挿通されている。そして、各接続
コード19a、19bは前記実施例と同様に巻取軸2端
部に設けられた集電ブラシ16及び電極18を介してモ
ータ5の制御装置に接続され−その制御装置で一方の接
続コード19aに所定の電圧を印加した状態で他方の接
続コード19bの端子電圧を検出することにより、障害
物検知スイッチ7が閉路されているか否かが検出される
ようになっている。
Next, a second embodiment embodying the present invention will be described with reference to FIG.
are connected to each other, and the connection cords 19a and 19b are connected to the screen 4 from the end of the bottom par 6 as in the previous embodiment.
It is inserted into the cylindrical part 13 of the @ part. Each of the connection cords 19a, 19b is connected to the control device of the motor 5 via the current collecting brush 16 and electrode 18 provided at the end of the winding shaft 2, as in the previous embodiment. By detecting the terminal voltage of the other connection cord 19b while applying a predetermined voltage to the connection cord 19a, it is detected whether or not the obstacle detection switch 7 is closed.

このように構成された電動ロールブラインドではスクリ
ーン4の昇降にともなって接続コード19がスクリーン
4と6ともに巻取軸2に巻取られ、あるいは巻戻される
ことは前記実施例と同様である。そして、スクリーン4
の下降操作時にボトムパー6が障害物に当接して障害物
検知スイッチ7が閉路されると、その閉路信号は接続コ
ード19、集電ブラシ16及び電[!18を介して制御
装置に伝達されてモータ5の作動が停止される。
In the electric roll blind constructed in this manner, as the screen 4 moves up and down, the connection cord 19 is wound up or rewound together with the screens 4 and 6 onto the winding shaft 2, as in the previous embodiment. And screen 4
When the bottom par 6 comes into contact with an obstacle during the lowering operation and the obstacle detection switch 7 is closed, the closing signal is sent to the connection cord 19, the current collector brush 16, and the electric [! The signal is transmitted to the control device via 18, and the operation of the motor 5 is stopped.

従って、ボトムパー6にバッテリーを収納することなく
障害物検知を確実に行なうことができるので、前記実施
例と同様な効果を得ることができる。
Therefore, since obstacle detection can be performed reliably without storing a battery in the bottom par 6, the same effects as in the embodiment described above can be obtained.

[発明の効果コ 以上詳述したように、この発明は障害物検知停止装置の
電源の維持管理が容易であるとともに、その電源に起因
する動作不良を未然に防止可能とした電動ロールブライ
ンドを提供することができる優れた効果を発揮する。
[Effects of the Invention] As detailed above, the present invention provides an electric roll blind in which the power supply of the obstacle detection and stop device is easy to maintain and manage, and malfunctions caused by the power supply can be prevented. It can exhibit excellent effects.

【図面の簡単な説明】[Brief explanation of drawings]

第1図はこの発明を具体化した電動ロールブラインドの
第一の実施例の主要部を示す斜視図、第2図はその巻取
軸端部を示す平面図、第3図は電動ロールブラインドの
正面図、第4図は第二の実施例を示すスクリーン下部の
一部破断正面図である。 巻取軸2、収納ケース3、スクリーン4、モータ5、ボ
トムパー6、障害物検知スイッチ7、発信器8、受信器
10、電源コード14、集電ブラシ16、支持ブラケッ
ト17、電極18、接続コード19゜
Fig. 1 is a perspective view showing the main parts of a first embodiment of an electric roll blind embodying the present invention, Fig. 2 is a plan view showing the end of the winding shaft, and Fig. 3 is a view of the electric roll blind. FIG. 4 is a partially cutaway front view of the lower part of the screen showing the second embodiment. Winding shaft 2, storage case 3, screen 4, motor 5, bottom par 6, obstacle detection switch 7, transmitter 8, receiver 10, power cord 14, current collection brush 16, support bracket 17, electrode 18, connection cord 19°

Claims (1)

【特許請求の範囲】 1、スクリーンの巻取軸を収納ケースに回転可能に支持
し、その巻取軸を制御装置で駆動されるモータで回転駆
動してスクリーンを昇降可能とした電動ロールブライン
ドにおいて、 スクリーン(4)下端のボトムバー(6)に障害物との
当接時に閉路する障害物検知スイッチ(7)と同スイッ
チの閉路に基いて信号波を出力する発信器(8)を設け
、収納ケース(3)にはその発信器の信号波を受信して
モータ(5)を停止させる受信器(10)を設け、スク
リーン(4)の端縁には電源コード(14)を取着し、
その電源コードの一端は前記発信器(8)に接続すると
ともに他端は巻取軸(2)一端に設けられた集電ブラシ
(16)に接続し、その集電ブラシは巻取軸(2)の支
持ブラケット(17)に設けられた電極(18)に当接
しながら回転可能とし、その電極には外部から電源を供
給したことを特徴とする電動ロールブラインドの障害物
検知停止装置。 2、スクリーンの巻取軸を収納ケースに回転可能に支持
し、その巻取軸を制御装置で駆動されるモータで回転駆
動してスクリーンを昇降可能とした電動ロールブライン
ドにおいて、 スクリーン(4)下端のボトムバー(6)に障害物との
当接時に閉路する障害物検知スイッチ(7)を設け、ス
クリーン(4)の端縁には接続コード(19)を取着し
、その接続コードの一端は前記障害物検知スイッチ(7
)に接続するとともに他端は巻取軸(2)一端に設けら
れた集電ブラシ(16)に接続し、その集電ブラシは巻
取軸(2)の支持ブラケット(17)に設けられた電極
(18)に当接しながら回転可能とし、その電極をモー
タの制御装置に接続したことを特徴とする電動ロールブ
ラインドの障害物検知停止装置。
[Claims] 1. An electric roll blind in which a winding shaft of the screen is rotatably supported in a storage case, and the winding shaft is rotationally driven by a motor driven by a control device to raise and lower the screen. , The bottom bar (6) at the lower end of the screen (4) is equipped with an obstacle detection switch (7) that closes when it comes into contact with an obstacle, and a transmitter (8) that outputs a signal wave based on the closing of the switch. The case (3) is provided with a receiver (10) that receives the signal wave of the transmitter and stops the motor (5), and a power cord (14) is attached to the edge of the screen (4).
One end of the power cord is connected to the transmitter (8), and the other end is connected to a current collecting brush (16) provided at one end of the winding shaft (2). 1. An obstacle detection and stop device for an electric roll blind, characterized in that the device is rotatable while contacting an electrode (18) provided on a support bracket (17) of a motorized roller blind, and the electrode is supplied with power from the outside. 2. In an electric roll blind in which the winding shaft of the screen is rotatably supported in a storage case, and the winding shaft is rotationally driven by a motor driven by a control device so that the screen can be raised and lowered, the lower end of the screen (4) An obstacle detection switch (7) that closes when it comes into contact with an obstacle is installed on the bottom bar (6) of the screen (4), and a connection cord (19) is attached to the edge of the screen (4), with one end of the connection cord The obstacle detection switch (7
), and the other end is connected to a current collecting brush (16) provided at one end of the winding shaft (2), and the current collecting brush is connected to a support bracket (17) of the winding shaft (2). An obstacle detection and stop device for an electric roll blind, characterized in that it is rotatable while contacting an electrode (18), and the electrode is connected to a motor control device.
JP1249483A 1989-09-25 1989-09-25 Obstacle detection stop device of electric roll blind Expired - Lifetime JP2665003B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1249483A JP2665003B2 (en) 1989-09-25 1989-09-25 Obstacle detection stop device of electric roll blind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1249483A JP2665003B2 (en) 1989-09-25 1989-09-25 Obstacle detection stop device of electric roll blind

Publications (2)

Publication Number Publication Date
JPH03110286A true JPH03110286A (en) 1991-05-10
JP2665003B2 JP2665003B2 (en) 1997-10-22

Family

ID=17193641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1249483A Expired - Lifetime JP2665003B2 (en) 1989-09-25 1989-09-25 Obstacle detection stop device of electric roll blind

Country Status (1)

Country Link
JP (1) JP2665003B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775397B2 (en) 2003-03-13 2010-08-17 Denfred Holdings, Ltd. Automatic valve assembly for a water cooler reservoir
JP4847463B2 (en) * 2004-11-08 2011-12-28 ネルジェコ Flexible curtain high speed door
EP2848758A4 (en) * 2012-05-11 2016-01-13 Amiserru Sl Quick-opening door

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359288A (en) * 1989-07-27 1991-03-14 Nichibei Co Ltd Motor-driven roll screen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359288A (en) * 1989-07-27 1991-03-14 Nichibei Co Ltd Motor-driven roll screen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7775397B2 (en) 2003-03-13 2010-08-17 Denfred Holdings, Ltd. Automatic valve assembly for a water cooler reservoir
JP4847463B2 (en) * 2004-11-08 2011-12-28 ネルジェコ Flexible curtain high speed door
EP2848758A4 (en) * 2012-05-11 2016-01-13 Amiserru Sl Quick-opening door

Also Published As

Publication number Publication date
JP2665003B2 (en) 1997-10-22

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