JP2003321170A - Elevator car unit with means for detecting approach limit position - Google Patents
Elevator car unit with means for detecting approach limit positionInfo
- Publication number
- JP2003321170A JP2003321170A JP2002131560A JP2002131560A JP2003321170A JP 2003321170 A JP2003321170 A JP 2003321170A JP 2002131560 A JP2002131560 A JP 2002131560A JP 2002131560 A JP2002131560 A JP 2002131560A JP 2003321170 A JP2003321170 A JP 2003321170A
- Authority
- JP
- Japan
- Prior art keywords
- car
- limit position
- approach limit
- elevator
- sensor
- 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
- Types And Forms Of Lifts (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、エレベータ、特
に荷物専用および人荷共用の昇降機又は小荷物専用昇降
機の出入口戸を保護するための進入限界位置検出手段を
備えた昇降機かご装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator car apparatus having an approach limit position detecting means for protecting an entrance / exit door of an elevator, especially an elevator for exclusive use of luggage and an elevator for exclusive use of small luggage.
【０００２】[0002]
【従来の技術】荷物専用の昇降機は、一般のエレベータ
と基本構造では同じであるが、荷物を積込んで昇降する
ため出入口のドアを開閉する時間やタイミングの設定が
異なり、又台車やフォークリフトが直接進入してもよい
ように入口や奥行き広さが広く設計される場合がある。2. Description of the Related Art A lift for exclusive use of luggage has the same basic structure as a general elevator, but the time and timing for opening and closing the doors for loading and unloading are different for loading and unloading. There are cases where the entrance and the width of the depth are designed to be wide so as to allow direct entry.
【０００３】[0003]
【発明が解決しようとする課題】このような荷物専用の
昇降機では、荷物を台車やフォークリフトに積込んだま
ま昇降機のかご内に進入する場合が多く、沢山の荷物を
台車、フォークリフトに乗せたままかご内に進入する
と、台車、フォークリフトを操作する作業者には荷物の
前方を確認することが困難なため、前端がかごのパネル
又は貫通形の場合は進入側と反対側の出入口戸（ドア）
に衝突して破損させたり、傷を付けたりすることが生じ
ている。In such an elevator for exclusive use of luggage, it is often the case that the luggage enters the car of the elevator while being loaded on the truck or forklift, and a lot of luggage is left on the truck or forklift. When entering the car, it is difficult for the operator who operates the trolley or forklift to check the front of the luggage.Therefore, if the front end is a car panel or a through type, the doorway (door) on the opposite side to the entrance side
It may collide with and damage or be damaged.
【０００４】対策としてかご内に誘導者を配置する場合
もあるが、誘導者が荷物とパネル又は出入口戸との間に
挟まれる危険性がある。又、かご上方の隅に鏡を設ける
方法もあるが、作業者に確認し難い場合もあり確実性が
ないため有効な対策とは言い難く、より安全で確実な対
策が所望されている。Although a guider may be placed in the car as a countermeasure, there is a risk that the guider may be caught between the luggage and the panel or door. There is also a method of providing a mirror in the upper corner of the car, but it is difficult to confirm with an operator and it is not certain that it is an effective measure. Therefore, a safer and more reliable measure is desired.
【０００５】この発明は、上記の問題点に留意して、作
業者の安全性を確保し、昇降機のかごのパネル又は出入
口戸を安全、確実に保護するために、荷物や台車のかご
内への進入状態を検出し、端部がパネル又は出入口戸へ
接近していることを警告し得る進入限界位置検出手段を
備えた昇降機かご装置を提供することを課題とする。In view of the above-mentioned problems, the present invention ensures the safety of the operator, and protects the panel or door of the elevator car to the inside of the luggage or the trolley of the trolley for safe and reliable protection. It is an object of the present invention to provide an elevator car system including an approach limit position detecting means that can detect the approach state of the vehicle and warn that the end is approaching the panel or the doorway.
【０００６】[0006]
【課題を解決するための手段】この発明は、上記の課題
を解決する手段として、出入口戸を開き搬入される人及
び荷物を昇降させるかごを備えた昇降機のかごの出入口
に対し反対の奥側で、荷物搬送手段がかご内に進入した
際に荷物が有する作動片又は搬送手段の端部に設けた作
動片に応動する位置センサを荷物又は搬送手段の進入限
界位置に設け、この位置センサからの信号により荷物又
は搬送手段が進入限界位置に達したことを検出する検出
回路をセンサに接続し、その検出信号により警報又は警
告表示をして、荷物又は搬送手段によるかご内パネルあ
るいは出入口戸の破損、損傷を防止するようにした進入
限界位置検出手段付き昇降機かご装置としたのである。As a means for solving the above-mentioned problems, the present invention provides a means for solving the above-mentioned problems by providing a person who opens an entrance / exit door and a car for elevating / lowering luggage with the car on the back side opposite to the entrance / exit of the car. Then, a position sensor that responds to the operating piece of the luggage when the luggage conveying means enters the car or the operating piece provided at the end of the conveying means is provided at the entry limit position of the luggage or the conveying means. Signal is used to connect the sensor with a detection circuit that detects that the luggage or the transportation means has reached the entry limit position, and an alarm or warning display is given by the detection signal, and the car interior panel or the doorway of the luggage or transportation means is displayed. The elevator car system with the approach limit position detection means is designed to prevent breakage and damage.
【０００７】上記の構成としたこの発明の昇降機かご装
置では、荷物を載せた台車等がかご内に進入して進入限
界位置まで達すると警報あるいは警告表示が行なわれ、
かご内のパネル又は出入口戸の破損、損傷が未然に防止
される。かごには進入限界位置に位置センサが設けられ
ており、荷物が有する作動片又は搬送手段の端部に設け
た作動片が位置センサに接近すると作動片の影響で位置
センサが作動する。In the elevator car device of the present invention having the above-mentioned structure, when a trolley carrying a load enters the car and reaches the approach limit position, an alarm or warning display is given.
Damage to the panel in the car or the doorway can be prevented. The car is provided with a position sensor at the entry limit position, and when the operating piece of the luggage or the operating piece provided at the end of the conveying means approaches the position sensor, the position sensor operates due to the influence of the operating piece.
【０００８】この位置センサの検出信号は検出回路へ送
られて増幅され、その検出信号が一定レベル以上の変化
を表わす信号であれば荷物を載置した搬送手段が進入限
界位置に達したことが検出される。進入限界位置に達し
たことが検出されると、その検出信号により警報又は警
告表示がなされ、これにより台車又はフォークリフトな
どの搬送手段の作業者、運転者は台車等がかご内で進入
限界位置まで進入したことを認識し、このためそれ以上
の進入を停止する。従って、案内、誘導をする作業者を
配置することなく搬入ができ、しかもかご内のパネル又
は出入口戸の破損、損傷を生じないようにすることがで
きる。The detection signal of this position sensor is sent to the detection circuit and amplified, and if the detection signal is a signal indicating a change above a certain level, it means that the carrying means on which the load is placed has reached the entry limit position. To be detected. When it is detected that the approach limit position has been reached, an alarm or warning is displayed by the detection signal, whereby the worker or driver of the carrier such as a truck or a forklift can reach the approach limit position in the car. Recognize the entry and thus stop further entry. Therefore, it is possible to carry in without arranging an operator for guiding and guiding, and it is possible to prevent the panel in the car or the doorway from being damaged.
【０００９】[0009]
【実施の形態】以下、この発明の実施の形態について図
面を参照して説明する。図１は昇降機のかご装置の外形
図である。この昇降機は荷物専用又は人荷共用および小
荷物専用昇降機であり、建物内の昇降スペースにかご１
が図示しない吊り具により昇降自在に吊り下げられ、モ
ータにより吊り具を介して引上げ、又は降されて駆動さ
れ、建物各階に設けられた出入口戸４を開閉して積込ま
れた荷物を昇降させるよう設置されるが、かご１及び出
入口戸４以外は図示簡略化のため省略している。かご１
は、出入口戸４が開かれた状態で出入口２が開放され、
荷物が図３の台車又はフォークリフトなどの搬送手段に
より積込まれる。３は出入口２と反対側の奥側のパネル
である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an external view of the elevator car device. This elevator is an elevator for exclusive use of luggage or for shared use of luggage and small parcels.
Is lifted up and down by a hanging tool not shown, and is driven by being pulled up or down by a motor via the hanging tool, and is opened and closed by opening and closing the doorway doors 4 provided on each floor of the building. However, the parts other than the car 1 and the doorway 4 are omitted for simplification of the drawing. Basket 1
, The doorway 2 is opened with the doorway 4 open,
The luggage is loaded by a transportation means such as the trolley or the forklift in FIG. Reference numeral 3 denotes a panel on the back side opposite to the doorway 2.
【００１０】かご１には、図示のように、コイルｒx が
位置センサとして設けられている。コイルｒx は、出入
口２と反対側の奥側で、荷物と搬送手段がかご内に進入
した際に荷物の一部の作動片又は搬送手段の端部に設け
た作動片に応動するよう進入限界位置に設けられてい
る。又、コイルｒx は、検出回路１０に接続され、この
位置センサの信号により荷物又は搬送手段が進入限界位
置に達したことを検出する。コイルｒx は、かごの天井
→側面→床→側面→天井に沿って１本の銅線を用いて数
ターン分、巻き付け、このコイルに電流を流したときコ
イル内に磁界が形成されるよう設定する。As shown in the figure, the car 1 is provided with a coil r x as a position sensor. The coil r x enters on the back side opposite to the doorway 2 so as to respond to an operating piece of a part of the luggage or an operating piece provided at the end of the conveying means when the luggage and the conveying means enter the car. It is provided at the limit position. Further, the coil r x is connected to the detection circuit 10 and detects from the signal of this position sensor that the load or the transport means has reached the approach limit position. The coil r x is wound along the ceiling of the car → the side surface → the floor → the side surface → the ceiling for several turns using one copper wire, and when a current is passed through this coil, a magnetic field is formed in the coil. Set.
【００１１】図２は、貫通形のかごの側面図を示す。こ
の場合は、出入口２がかご１の対向する２面とされ、こ
れに対応して出入口戸４、４が異なる階と階で互に反対
位置に設けられる。この貫通形のかご１にはコイルｒx
が、２つの出入口２、２のそれぞれに寄った２箇所に取
付けられる。一方の出入口２から奥側となるコイルｒ x
がそれぞれ進入限界位置の検出用のセンサとなる。図３
は簡単な台車Ｔに作用片Ｐを備えて、センサに対し作用
を及ぼすようにしておく。荷物Ｇに含まれていれば不要
である。FIG. 2 shows a side view of the through cage. This
In the case of, the entrance / exit 2 is the two surfaces of the car 1 facing each other.
Correspondingly, the entrance doors 4 and 4 are opposite each other on different floors.
It is provided in the position. This through-type car 1 has a coil rx
But at two locations near each of the two doorways 2, 2.
Attached. Coil r from one doorway 2 to the back side x
Are sensors for detecting the approach limit position. Figure 3
Is equipped with an action piece P on a simple trolley T and acts on the sensor.
To exert. Not required if included in package G
Is.
【００１２】図４は位置センサを含む検出回路の一例で
ある。この検出回路１０は、４つの抵抗ｒ1 、ｒ2 、ｒ
3 、ｒx によるブリッジ回路１１と、オペアンプを用い
た増幅部１２と、コンパレータを用いた比較部１３と、
ブザー又はランプ１５を駆動する駆動部１４とから成
る。ブリッジ回路１１の抵抗ｒx は、前記進入限界位置
の検出用センサとして設けられたコイルｒx の抵抗であ
り、これに予め電流を流してコイルｒx 内に磁界を形成
しておく。FIG. 4 shows an example of a detection circuit including a position sensor. This detection circuit 10 has four resistors r 1 , r 2 , r
3 , a bridge circuit 11 based on r x , an amplifier 12 using an operational amplifier, a comparator 13 using a comparator,
And a drive unit 14 for driving a buzzer or lamp 15. The resistance r x of the bridge circuit 11 is the resistance of the coil r x provided as a sensor for detecting the approach limit position, and an electric current is previously applied to this to form a magnetic field in the coil r x .
【００１３】上記コイルｒx の磁界内に荷物又は台車、
フォークリフトの金属の作用片が進入すると、コイル内
の磁界強度が変化してコイルの抵抗値が変化し、このた
め電圧変化が生じてブリッジ回路の検出点の平衝がくず
れ、電圧差が生じる。この電圧差はオペアンプで増幅さ
れ、その電圧信号をコンパレータで基準電圧と比較し、
一定以上の変化量の場合は「コイル内に何かが有る」こ
とが検出される。Luggage or a trolley in the magnetic field of the coil r x ,
When the metal working piece of the forklift enters, the magnetic field strength in the coil changes and the resistance value of the coil changes, which causes a voltage change and breaks the equilibrium at the detection points of the bridge circuit, resulting in a voltage difference. This voltage difference is amplified by the operational amplifier, the voltage signal is compared with the reference voltage by the comparator,
When the amount of change is a certain amount or more, it is detected that "something is in the coil".
【００１４】この検出信号を駆動部１４へ送り、ブザー
を鳴らすか、又はランプを点灯もしくは点滅させて、荷
物又は台車、フォークリフトなどが進入限界位置に達し
ていることを作業者やフォークリフトの運転者に警報又
は警告表示するのである。This detection signal is sent to the drive unit 14 and a buzzer is sounded or a lamp is lit or blinked to inform the worker or the driver of the forklift that the luggage, the truck or the forklift has reached the entry limit position. The warning or warning is displayed on the screen.
【００１５】なお、上記実施形態では検出用センサとし
て複数ターンのコイルｒx を示したが、このセンサとし
ては例えば近接スイッチ、光センサ、超音波センサ、ホ
ール素子センサなど進入限界位置が検出できれば他のど
んな形式のセンサでもよい。但し、ホール素子センサで
は作用片として磁石が用いられる。In the above-described embodiment, the coil r x having a plurality of turns is shown as the detection sensor. However, this sensor may be any other sensor such as a proximity switch, an optical sensor, an ultrasonic sensor, or a Hall element sensor as long as the approach limit position can be detected. Any type of sensor may be used. However, a Hall element sensor uses a magnet as a working piece.
【００１６】[0016]
【発明の効果】以上、詳細に説明したように、この発明
の昇降機かご装置はかご内の進入限界位置に位置センサ
を設け、センサの検出信号を検出回路へ送り、荷物を載
せた搬送手段が進入限界位置に達したことを検出して警
報又は警告表示をし、これによりかご内パネル又は出入
口戸の破損、損傷を防止するようにしたから、従来のよ
うにかご内に案内誘導の作業者を配置することなく進入
限界位置まで進入したことが作業者、運転者に認識で
き、従ってかご内パネルや出入口戸が破損、損傷される
ような事故を未然に防止できるという利点が得られる。As described above in detail, the elevator car apparatus according to the present invention is provided with the position sensor at the entry limit position in the car, sends the detection signal of the sensor to the detection circuit, and conveys the load. An alarm or warning is displayed by detecting that the approach limit position has been reached, thereby preventing damage or damage to the car interior panel or doorway door. It is possible to recognize to the operator and the driver that the vehicle has approached the approach limit position without arranging the vehicle, and thus it is possible to prevent an accident such as damage or damage to the car panel or the doorway.
【図１】実施形態の位置検出手段を備えた昇降機かご装
置の概略斜視図FIG. 1 is a schematic perspective view of an elevator car device including a position detection unit according to an embodiment.
【図２】貫通形かご装置の側面図FIG. 2 is a side view of the through-type cage device.
【図３】台車の例の概略図FIG. 3 is a schematic diagram of an example of a trolley.
【図４】検出回路の概略ブロック図FIG. 4 is a schematic block diagram of a detection circuit.
１ かご ２ 出入口 ３ パネル ４ 出入口戸 １０ 検出回路 1 basket 2 doorway 3 panels 4 doorway 10 Detection circuit
Claims (4)
昇降させるかごを備えた昇降機のかごの出入口に対し反
対の奥側で、荷物搬送手段がかご内に進入した際に荷物
が有する作動片又は搬送手段の端部に設けた作動片に応
動する位置センサを荷物又は搬送手段の進入限界位置に
設け、この位置センサからの信号により荷物又は搬送手
段が進入限界位置に達したことを検出する検出回路をセ
ンサに接続し、その検出信号により警報又は警告表示を
して、荷物又は搬送手段によるかご内パネルあるいは出
入口戸の破損、損傷を防止するようにした進入限界位置
検出手段付き昇降機かご装置。1. An operation carried by a baggage when the baggage transport means enters the car on the back side opposite to the car door of an elevator equipped with a car that opens and closes an entrance door and a car that lifts the baggage. A position sensor that responds to an operating piece provided at the end of the piece or the conveying means is provided at the approach limit position of the load or the conveying means, and it is detected by the signal from this position sensor that the load or the convey means reaches the approach limit position. Elevator car with access limit position detection means that connects the detection circuit to a sensor and displays an alarm or warning display based on the detection signal to prevent damage or damage to the inside panel of the car or the doorway door due to luggage or transportation means. apparatus.
て設けられる出入口の進入時奥側となる進入限界位置に
それぞれ設けたことを特徴とする請求項１に記載の進入
限界位置検出手段付き昇降機かご装置。2. The approach limit position detecting means according to claim 1, wherein the position sensors are provided at respective approach limit positions that are on the back side when the entrances and exits of the through-type car facing each other are approached. Elevator cage device.
に沿って複数ターン巻かれたコイルとしたことを特徴と
する請求項１又は２に記載の進入限界位置検出手段付き
昇降機かご装置。3. The elevator car system with approach limit position detecting means according to claim 1, wherein the position sensor is a coil wound a plurality of turns along a ceiling, a side wall and a floor of the car.
ジ回路と、その検出信号を増幅する増幅回路と、一定の
基準電圧と比較する比較部と、ブザー又はランプを駆動
する駆動部とから構成し、所定以上の電圧変化を示す作
動片との応動により進入限界位置を検出するようにした
ことを特徴とする請求項１乃至３のいずれかに記載の進
入限界位置検出手段付き昇降機かご装置。4. The detection circuit comprises a bridge circuit including a position sensor, an amplification circuit for amplifying a detection signal of the position sensor, a comparison section for comparing with a constant reference voltage, and a drive section for driving a buzzer or a lamp. The elevator car system with an approach limit position detecting means according to any one of claims 1 to 3, wherein the approach limit position is detected in response to an operating piece exhibiting a voltage change of a predetermined value or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002131560A JP2003321170A (en) | 2002-05-07 | 2002-05-07 | Elevator car unit with means for detecting approach limit position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002131560A JP2003321170A (en) | 2002-05-07 | 2002-05-07 | Elevator car unit with means for detecting approach limit position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003321170A true JP2003321170A (en) | 2003-11-11 |
Family
ID=29544141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002131560A Pending JP2003321170A (en) | 2002-05-07 | 2002-05-07 | Elevator car unit with means for detecting approach limit position |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003321170A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449272A (en) * | 2013-10-08 | 2013-12-18 | 苏州德奥电梯有限公司 | Lift car |
| CN107902511A (en) * | 2017-11-07 | 2018-04-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of detection device of elevator lift car load limit value |
-
2002
- 2002-05-07 JP JP2002131560A patent/JP2003321170A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449272A (en) * | 2013-10-08 | 2013-12-18 | 苏州德奥电梯有限公司 | Lift car |
| CN107902511A (en) * | 2017-11-07 | 2018-04-13 | 东莞市联洲知识产权运营管理有限公司 | A kind of detection device of elevator lift car load limit value |
| CN107902511B (en) * | 2017-11-07 | 2019-04-19 | 王梦梦 | A kind of detection device of elevator lift car load limit value |
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