WO2006021137A1 - Dispositif de commande et procede de commande d’un ascenseur - Google Patents

Dispositif de commande et procede de commande d’un ascenseur Download PDF

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Publication number
WO2006021137A1
WO2006021137A1 PCT/CN2005/001097 CN2005001097W WO2006021137A1 WO 2006021137 A1 WO2006021137 A1 WO 2006021137A1 CN 2005001097 W CN2005001097 W CN 2005001097W WO 2006021137 A1 WO2006021137 A1 WO 2006021137A1
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WO
WIPO (PCT)
Prior art keywords
elevator
state
hall door
hoistway
car
Prior art date
Application number
PCT/CN2005/001097
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English (en)
French (fr)
Inventor
Jinlin Chen
Original Assignee
Jinlin Chen
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 Jinlin Chen filed Critical Jinlin Chen
Publication of WO2006021137A1 publication Critical patent/WO2006021137A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00Applications of devices for indicating or signalling operating conditions of elevators

Definitions

  • the present invention relates to a control device and a control method for stopping an elevator in a timely manner when the position between the elevator car and the hall door is in an unsafe state.
  • the hall door is normally opened by the car door to allow the passenger to enter and exit the elevator.
  • the car When the car reaches the corresponding floor to open the door, it should be flat.
  • the national safety standard is set within ⁇ 15mm, and the two-speed elevator is within ⁇ 30mm. If the elevator has a flat level tolerance of more than 30 awake, it is abnormal, and the elevator needs to be repaired. Work such as adjustments, otherwise it is easy to cause injury incidents involving occupants. In Europe, the injury incident of the occupants was mixed, and according to statistics, it has become the second type of accident.
  • the hoistway light switch In the process of repairing the elevator, if entering the elevator pit operation, the hoistway light switch should be closed first to illuminate the darkened hoistway, otherwise the operation cannot be carried out.
  • some elevator use units are set on the inner wall of the elevator bottom hoistway.
  • the hoistway switch or the pit light switch can be used in the lower pit. This switch was turned on before, but in some cases, the hoistway is still dark after opening the hall door, and it is not easy to see the emergency stop switch, the pit light switch and the ladder.
  • the edge of the hall door is not within reach of the side of the hoistway. Standing on the side of the floor and facing the body, it is not safe to reach the switch on the side of the hoistway. Summary of the invention
  • the object of the present invention is to avoid the deficiencies of the prior art mentioned above, and to provide a control for changing the state of the elevator from the "normal operation” state to the "overhaul” state when the position between the elevator car and the hall door is in an unsafe state.
  • Device
  • Another object of the present invention is to provide an upward and downward movement of the car when the elevator car arrives at the leveling level of the elevator or the elevator does not close the hall door, that is, the elevator car and the hall.
  • the elevator When the position between the doors is in an unsafe state, the elevator will be stopped immediately.
  • the elevator can only be operated according to the maintenance mode.
  • the alarm will be issued and the hoistway lights will be ignited in time to remind the relevant personnel that the elevator is in an unsafe state and protect the personnel working in the pit.
  • the elevator hall door and the car are in a safe state and the reset operation is performed in the machine room, the elevator can operate normally to achieve the purpose of controlling the occurrence of the injury prevention event.
  • a control device for an elevator in an unsafe state a reed pipe connected with a wire is installed at a fixed position of the elevator hall door, and a permanent magnet steel is installed on the hall door, and the side of the floor door of the hall door is located
  • Install a reed switch with a wire connect the two ends of the reed pipe installed on the sill of the hall door and connect the two ends of the reed pipe installed at the fixed position of the layer, in the car.
  • Install a pair of magnetic steel on the sill connect the two ends of the two reed pipes that have been connected together through the wires, and connect the reed pipes installed and connected in the same way as above on all floors of the upper and lower floors.
  • a detection loop is formed between the detection relay and the power source, wherein a set of common contacts in the detection relay is connected between the control relay coil and the positive pole of the power supply, and the other end of the control relay coil is connected to the control relay itself.
  • a set of normally open contacts and push button switches are at the negative pole of the power supply, and the normally closed end of the control relay contact is connected with the hoistway lamp relay coil and the buzzer end, and the other end of the hoistway lamp relay coil is connected to a switch.
  • the outer two ends are connected in parallel at the two ends of the detection relay normally closed contact, and the other end of the buzzer is connected with the positive pole of the power supply.
  • the other contact group of the control relay is connected with the "normal operation one overhaul” switch of the elevator, and its normally closed contact It is connected to the "overhaul" end, and the normally open contact is connected to the "normal operation” end.
  • the control method of the elevator detects the relative position of the elevator hall door and the car. Once the car to the station level is too large or the elevator does not close the hall door, the car appears upward and downward. When moving, it is characterized by:
  • the device is set in the inspection state. If it is necessary to restore the normal operation of the elevator, the elevator must be adjusted to a safe state and can be realized after the "reset" operation in the equipment room.
  • a control method for an elevator detects a relative position of an elevator hall door and a car. When the elevator hall door is opened, it is characterized by:
  • the hoistway light is automatically ignited, and when the elevator is in a state of normal operation, the hoistway light can be automatically extinguished, and other operations on the hoistway light are no longer needed, so that the elevator hoistway light is automatically turned on and off;
  • the invention has the following beneficial effects: ⁇
  • a set of control devices is used to solve the problem that the elevator passengers and the staff are injured by the door opening, the leveling and the other reasons, so that the elevator stops immediately when the unsafe state occurs. Operation, waiting for elevator maintenance personnel to confirm the safety status of the elevator, suitable for any elevator application with car and hall door.
  • FIG. 1 is a diagram of a detecting device for whether the position between the existing elevator car and the hall door is in a normal state
  • FIG. 2 is a schematic view of the original "running one overhaul" switch of the existing elevator control system
  • Figure 3 is a schematic diagram of a control portion of the present invention.
  • FIG 4 is a wiring diagram of the control relay contact of the present invention connected to the "running one overhaul" switch of the elevator.
  • GA is a reed switch installed on the side of the hall door;
  • GB is a reed switch installed on the side of the fixed position of the landing door;
  • the number of n, n-1, n- 2, etc. behind GA and GB is the number of elevator hall doors;
  • N S are permanent magnet steel poles.
  • J1 is the detection relay coil
  • J2 is the control relay coil
  • J3 is a hoistway light control relay coil
  • J1-1K is a pair of normally open contacts of the two contacts of the detection relay J1;
  • J2-1B is one of the two pairs of contacts of the control relay J2;
  • AN is a constant-type push button switch for resetting
  • K1 is a switch
  • the marked "A” and “B” are the joints of the detecting device of Fig. 1;
  • FM is an active buzzer set in the machine room and the car
  • GND is the power supply "-".
  • J2- 2B is another auxiliary closed contact of control relay J2;
  • Figure 2 K is the elevator "run-overhaul" switch
  • the two ends of the reed switch at the fixed position of the layer are connected in parallel, and a pair of magnetic steels are installed in the car sill at a corresponding position of the reed pipe installed in the sill of the hall door, and the spacing is slightly wider than that of the reed switch. It enables the reed switch to be reliably closed and turned on by the magnetic field of the pair of magnets when the elevator car arrives at the leveling level. Connect the two ends of the two reed pipes that have been connected together through the wires and all the floors of the upper and lower floors in the same way as above, and connect the reed switches to be connected in series to form a passage through A and B.
  • the installed reed switch (GBn-3) does not have a magnetic field, and the contact opens, but The current can still be turned on by the reed switch (GAn-3) mounted on the sill of the hall door due to the action of a pair of magnetic steel attached to the car sill, thus forming a loop, so whether the hall door is closed or open, As long as the relative position of the car and the hall door is in the normal (safe) position, the A and B are always in the closed conduction state.
  • the two points of the detection circuit shown in Figure 1 are always a closed loop when the elevator is in normal operation.
  • the battery voltage for the emergency lighting supply of the elevator is connected to the circuit of Figure 3, and the detection relay J1 connected in series is in Pull-in working state, normally closed contact: II- 1K pull-in, when pressing the normally open push button switch AN, the control relay J2 has the working voltage at both ends of the coil, the contact is sucked, and the button switch AN is connected in parallel.
  • the contact J2- 1B is a self-locking contact group of the control relay J2.
  • the hoistway lamp relay J3 coil gets the voltage, the contacts are sucked, the hoistway lights are on, and the buzzer FM installed in the car also receives the voltage, making a squeaking sound, indicating that the party is currently in an unsafe state of the elevator, preventing passengers.
  • the ladder is placed in an inspection state by the apparatus of the present invention until the elevator landing door and the car are in a safe state and the operation sound is completed after the "reset" shut-off AN is operated in the equipment room.
  • the elevator must first be adjusted to a safe state, either the level is good, or the hall door is closed, and the button switch AN is pressed in the machine room to realize the "reset" operation of the device to achieve safety.
  • the purpose of the conversion is to realize the "reset" operation of the device to achieve safety.
  • the relative position of the elevator hall door and the car is detected.
  • the corresponding reed pipe GB in the detection circuit is removed by the magnetic steel attached to the hall door.
  • the circuit between A and B is open, the relay J1 has no voltage, the normally open contact J1-1K is open, the control relay J2 coil has no working voltage, the normally closed contact J2- 1B is closed, and the hoistway lamp relay J3 is obtained at both ends.
  • the voltage, the contacts are closed, and the hoistway lights are automatically lit, so that the elevator maintenance personnel can see the emergency stop switch, the pit light switch and the ladder position in time.
  • the detection circuit 8 and B can form a closed loop, and the detection relay J1 connected in series is in the working state of the suction, often The closed contact J1-1K is sucked.
  • the reed switch GB1 in the detection circuit is opened by the magnetic steel attached to the hall door and is not opened by the action, and the open circuit is opened between A and B.
  • the detection relay J1 has no voltage
  • the normally open contact Jl-1K is open
  • the control relay J2 coil has no working voltage
  • the normally closed contact J2-1B is closed
  • the normally open contact J2-2B connected in series with the elevator "overhaul" switch is also At the same time, the elevator is converted from the original normal operation state to the inspection state. Since the elevator can no longer "normal operation", the movement of the car can only be carried out by the staff in the operation mode of the maintenance operation until the operation personnel leave the hoist pit. After the "reset" operation in the equipment room, the elevator can be in normal operation state; the purpose of eliminating the damage of the car to the pit workers entering the hoistway is achieved.

Landscapes

  • Elevator Door Apparatuses (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Description

电梯的控制装置和控制方法
技术领域
本发明涉及的是用于电梯轿厢与厅门间位置处于非安全状态时, 使电梯及 时停止运行的控制装置和控制方法。
背景技术
作为电梯而言, 厅门正常情况下是在轿门带动下而打开, 使乘用者进出电 梯。 当轿厢到达相应的楼层开门后, 应当平层情况良好。 对于调速电梯而言, 国家安全标准制定的是 ± 15mm以内,双速电梯是 ± 30mm以内,如果电梯出现平 层超差超过 30醒以上时, 就属于不正常状态, 需要对电梯进行诸如维修、调整 之类的工作,否则就易出现拌倒乘员的伤害事件。在欧洲拌倒乘员的伤害事件, 根据统计己成为排列第二位的事故类型。 由于现代技术的发展, 如果调速电梯 在出现这类平层超差不正常的情况时会釆用再平层技术来解决, 但这只是一个 在这种不正常的情况下的一种补救措施, 并不够解决电梯已经存在的调整不当 问题, 在就是这种再平层需要一个时间过程, 在这期间就有可能拌倒进出的乘 客; 再者, 平层超差是一个电梯在减速与停层之间存在调整失当的问题, 如果 这一问题不解决, 电梯会频繁地出现平层超差及再平层现象。
在另一方面, 电梯因为某些原因会在开门的情况下发生轿厢运行的情况, 至今这两种问题在国内外还都时有发生, 难以杜绝, 一旦发生将严重烕胁到人 的生命安全, 并且会造成严重的安全事故, 需要对这一区域的安全状态在原有 方式基础上, 再增加安全设施, 实现双重的监测和控制。
在维修电梯的过程中,由于人员在井道地坑操作,此时电梯如果还处在 "正 常运行"而不是 "急停"或 "检修"的状态下, 符合电梯运行条件时, 轿厢就 有可能会以正常运行的速度到达底层, 对位于井道地坑的人员产生伤害, 这种 伤害事故至今在国内外都还存在, 因此有些国家的电梯安装和安全使用规范明 确规定安装在住宅能够自动打幵层门的电梯应当装备当外人进入电梯的并道时 能切断控制电路的装置, 并且只能由机房来恢复电梯的运行。
在维修电梯的过程中, 如果进入电梯底坑作业, 应当首先将井道灯开关闭 合, 将漆黑的井道照亮, 否则无法进行作业, 考虑到这一点, 有些电梯使用单 位在电梯底层井道内壁设置了井道灯开关或是底坑灯开关这样就可以在下底坑 之前接通此开关, 但是有些情况是打开厅门后井道内仍然是黑暗的, 并不容易 看清急停开关、 底坑灯开关和爬梯。 另一方面, 厅门的边缘离井道侧面并不是 伸手可及, 站在楼层面侧着身体, 伸臂去摸位于井道侧面的开关, 并不安全。 发明内容
本发明的目的在于避免上述现有技术存在的不足之处, 提供一种电梯轿厢 与厅门间位置处于非安全状态时, 电梯由原来的 "正常运行"状态转换为 "检 修"状态的控制装置。
本发明的另一目的是提供一种当电梯轿厢到站平层超差过大或是电梯在未 关闭厅门的情况下出现轿厢向上、 向下方向的移动, 即电梯轿厢与厅门间位置 处于非安全状态时, 立刻使电梯停止正常运行, 只能按检修方式操纵电梯, 及 时发出报警、 点燃井道灯, 提示相关人员, 电梯处于非安全状态, 保护处于底 坑工作的人员,当电梯厅门与轿厢处于安全状态并且在机房进行复位操作之后, 电梯方能够正常运行, 达到防止伤害事件的发生目的控制方法。
本发明解决其技术问题控制装置所采用的技术方案是:
一种电梯在非安全状态时的控制装置, 在电梯厅门的固定位置安装一接有 连线的干簧管, 并在厅门上安装永磁钢, 在该层厅门地坎一侧位置安装一接有 连线的干簧管, 将安装在厅门地坎上的干簧管两端连线与安装在该层固定位置 上的干簧管两端连线相并接, 在轿厢地坎安装一对磁钢, 将已并接好的两个干 簧管两端连线通过导线与上、 下楼层所有楼层按上述同样方式安装、 连接的干 簧管再串接在一起, 所构成的一个检测回路串接于检测继电器与电源之间, 其 特征在于捡测继电器中的一组常幵触点接于控制继电器线圈和电源正极之间, 控制继电器线圈另一端接控制继电器本身的一组常开触点和按钮开关于供电电 源的负极, 控制继电器触点的常闭端与井道灯继电器线圈、 蜂鸣器一端共同相 接, 井道灯继电器线圈另一端接一开关, 幵关的另外两端并联在检测继电器常 闭触点两端, 蜂鸣器另一端与电源正极相接, 控制继电器另外一触点组与电梯 的 "正常运行一检修"开关相接, 其常闭触点与 "检修"端相接, 常开触点与 "正常运行"端相接。
一种电梯的控制方法, 对电梯厅门与轿厢的相对位置进行检测, 一旦出现 轿厢到站平层超差过大或是电梯在未关闭厅门的情况下轿厢出现向上、 向下方 向的移动时, 其特征在于:
a、立即将电梯由原来的 "正常运行"状态转换为 "检修"状态来实现电梯 停止运行;
b、通过发出讯响的方法, 提示当事人电梯目前处于非安全状态, 防止高出 的地坎拌倒乘客伤害事件的发生;
c、 采用在机房发出讯响的方法提示检修人员注意, 电梯设置在检修状态, 避免维修人员的误操作。
所述的装置设置在检修状态, 如果需要恢复电梯的正常运行, 必须先将电 梯调整至安全状态下, 并且在机房进行 "复位"操作之后才能够实现。
一种电梯的控制方法, 对电梯厅门与轿厢的相对位置进行检测, 当电梯底 层厅门被打开时, 其特征在于:
a、井道灯自动燃亮,而当电梯处于能够正常运行的状态时, 井道灯能够自 动熄灭, 且不再需要其他对井道灯的操作过程, 实现电梯井道灯自动于丁开和 关闭;
b、立即将电梯由原来的正常运行状态转换为检修状态,即使是关闭厅门后, 电梯也无法"正常运 ^1", 防止对进入井道地坑作业的人员产生伤害, 直至作业 的人员离幵井道地坑到机房进行 "复位"操作之后, 电梯方能够处于正常运行 状态。
本发明的有益效果是: 釆用一套控制装置来解决开门走梯、 平层超差和其 他原因给电梯乘客、 工作人员带来伤害的问题, 使得电梯一旦出现不安全的状 态时, 立刻停止运行, 等待电梯维修人员对电梯安全状态的确认, 适合于任何 有轿厢、 厅门的电梯应用。
附图说明
图 1是现有电梯轿厢与厅门间位置是否处于正常状态的检测装置图; 图 2是现有电梯控制系统原有的 "运行一检修"开关示意图;
图 3是本发明中控制部分的原理图;
图 4是本发明中控制继电器触点与电梯 "运行一检修"开关相连接的接线图。 图 1中 GA是安装在厅门地坎一侧的干簧管;
GB是安装在层门固定位置一侧的干簧管; GA、 GB后面的 n、 n— 1、 n- 2……为电梯厅门楼层数;
N、 S是永磁钢磁极。
图 3中 J1是检测继电器线圈:
J2是控制继电器线圈;
J3是井道灯控制继电器线圈;
J1-1K是检测继电器 J1两副触点中的一副常开触点;
J2-1B是控制继电器 J2的两副触点中的一副常闭触点;
AN为复位用的常幵型按钮开关;
K1为切换开关;
所标注的 "A"与 "B"是图 1检测装置接点;
FM为设置在机房和轿厢的有源蜂鸣器;
V+电源 "+";
GND为电源 " -"。
图 4中 J2- 2B是控制继电器 J2的另一副常闭触点;
图 2、 图 4中的 K为电梯 "运行-检修"转换开关;
① 为正常运行状态;
② 为检修状态。
具体实施方式
下面结合附图和实施例对本发明作进一步的说明。
如图 1-4所示,在电梯每层厅门的固定位置安装一接有连线的千簧管 (GBn、
GBn-1…… ) , 于所安装的干簧管对应位置, 在每层厅门上安装与干簧管相感应 的永磁钢, 调整其位置, 使其当厅门正常闭合时, 所附的磁钢能够对所安装的 干簧管作用而使其触点可靠闭合、 导通。 在该层厅门地坎一侧位置安装一接有 连线的干簧管 (GAn、 GAn-1……), 将安装在厅门地坎上的干簧管两端连线与安 装在该层固定位置上的干簧管两端连线相并接, 于厅门地坎所安装的干簧管对 应位置, 在轿厢地坎安装一对磁钢, 其间距比干簧管略宽, 使其能够在电梯轿 厢到站平层时干簧管受到这一对磁钢的磁场作用而可靠闭合、 导通。 将已并接 好的两个干簧管两端连线通过导线与上、下楼层所有楼层按上述同样方式安装、 连接的干簧管再串接在一起, 构成一个通路, 通过 A、 B两点与控制电路相接, 这样若每层厅门都关闭到位时其若干个干簧管 (GBn、 GBn-1……)均受到各自楼 层厅门所附的磁钢作用而闭合, 呈通路状态, 如若轿厢到达任意一楼层平层开 门时 (如到达 n-3 层时), 虽然厅门上的磁钢位置随之移动、 所安装的干簧管 (GBn- 3)得不到磁场作用,触点开路时,但电流仍能通过安装在厅门地坎上的干 簧管 (GAn- 3)因轿厢地坎所附的一对磁钢作用而导通,构成回路, 因此无论厅门 是闭合还是打开着, 只要轿厢和厅门相对位置处于正常 (安全)位置时, A、 B间 始终处于闭合的导通状态, 当下列情况出现时, A、 B两点为开路: ①电梯厅门 没有关闭到位时轿厢发生移动 (开门走梯现象),附在轿厢上的磁钢一同被移开; ②电梯到站停层后, 轿厢平层超差过大, 厅门上的磁钢又随厅门一同被移幵; ③底层厅门被人为打开, A、 B间将呈开路状态。
图 1所示的检测电路八、 B两点在电梯正常运行时始终是一个闭合的回路, 用于电梯应急照明供电的蓄电池电压一旦接入图 3电路, 与之相串联的检测继 电器 J1便处于吸合的工作状态,常闭触点: II- 1K吸合, 当按下常开的按钮开关 AN时, 控制继电器 J2线圈两端得到工作电压, 触点吸合, 与按钮开关 AN相并 联的触点 J2- 1B是控制继电器 J2的自锁触点组, 在控制继电器 J2线圈得到电 压, 触点吸合后完成自锁、 自保的过程, 其常闭端分别与井道灯继电器 J3、 蜂 鸣器 FM—端相接, 井道灯继电器 J3另一端接一转换开关 K, 幵关的另外两端 并联在检测继电器 J1常闭触点两端,蜂鸣器 FM另一端与电源正相接, 图 4中, 控制继电器 J2的另一组触点 J2- 2Β与电梯的 "运行一检修"开关中的检修一端 相串联。
一旦检测电路检测到电梯厅门与轿厢位置不在安全状态时, Α、 Β间开路, 检测继电器 J1无电压,常开触点 Jl- 1K开路,控制继电器 J2线圈无工作电压, 与电梯 "检修"开关相串联的常开触点 J2- 2Β也同时转换, 动触点不再与电梯 检修开关 "正常运行"端相接, 而与 "检修"端相接, 达到立即将电梯由原来 的正常运行状态转换为检修状态来实现电梯停止运行的目的。
与此同时井道灯继电器 J3线圈得到电压, 触点吸合, 井道灯亮, 并且安装 于轿厢的蜂鸣器 FM也得到电压,发出呜叫声,达到提示当事人目前处于电梯非 安全状态, 防止乘客被拌倒的目的。
由于在机房也有蜂鸣器 FM在呜叫, 所发出讯响能够提示检修人员注意, 电 梯被本发明所述的装置设置在检修状态, 直至电梯层门与轿厢处于安全状态并 且在机房对 "复位"幵关 AN进行操作之后, 讯响声方能够结束。
如果需要恢复电梯的正常运行, 必须先将电梯调整至安全状态下, 既要么 平层良好, 要么厅门关闭, 并且在机房按下按钮开关 AN, 对装置进行 "复位" 操作后实现, 达到安全转换的目的。
对电梯厅门与轿厢的相对位置迸行检测, 当电梯底层厅门被打开时, 其检 测电路中的对应的干簧管 GB 由于厅门所附的磁钢一同移开而不受其作用呈开 路时, A、 B间开路, 检测继电器 J1无电压, 常开触点 J1-1K幵路, 控制继电 器 J2线圈无工作电压,常闭触点 J2- 1B闭合,井道灯继电器 J3两端得到电压, 触点吸合, 井道灯自动燃亮, 使电梯维护人员能够及时看清急停开关、 底坑灯 开关和爬梯位置。而当电梯检修完毕且厅门与轿厢的相对位置处于安全状态时, 检测电路八、 B两点能够构成一个闭合的回路, 与之相串联的检测继电器 J1便 处于吸合的工作状态, 常闭触点 J1-1K吸合, 当按下常开的按钮开关 AN时, 控 制继电器 J2线圈两端得到工作电压,触点 J2- 2B吸合,检修状态转换为正常运 行状态, 触点 J2-1B亦吸合, 井道灯继电器 J3两端此时得不到电压, 其触点开 路, 井道灯随着电梯由检修状态转换为正常运行状态而自动熄灭, 不再需要其 他操作; 达到电梯井道灯自动打开和关闭的目的。
如果作业的人员打开最底层厅门, 进入井道地坑作业, 其检测电路中的干 簧管 GB1由于厅门所附的磁钢一同移开而不受其作用呈开路时, A、 B间开路, 检测继电器 J1无电压,常开触点 Jl- 1K开路,控制继电器 J2线圈无工作电压, 常闭触点 J2-1B闭合, 与电梯 "检修"开关相串联的常开触点 J2-2B也同时转 换, 电梯由原来的正常运行状态转换为检修状态, 由于电梯不能够再 "正常运 行",轿厢的移动只能由工作人员以检修运行的操纵方式进行,直至作业的人员 离开井道地坑到机房进行 "复位"操作之后电梯方能够处于正常运行状态; 达 到消除轿厢对迸入井道地坑作业人员产生伤害的目的。

Claims

权 利 要 求
1、一种电梯在非安全状态时的控制装置,在电梯厅门的固定位置安装一接 有连线的干簧管, 并在厅门上安装永磁钢, 在该层厅门地坎一侧位置安装一接 有连线的干簧管, 将安装在厅门地坎上的干簧管两端连线与安装在该层固定位 置上的干簧管两端连线相并接, 在轿厢地坎安装一对磁钢, 将已并接好的两个 千簧管两端连线通过导线与上、 下楼层所有楼层按上述同样方式安装、 连接的 干簧管再串接在一起, 所构成的一个检测回路串接于检测继电器与电源之间, 其特征在于检测继电器中的一组常开触点接于控制继电器线圈和电源正极之 间, 控制继电器线圈另一端接控制继电器本身的一组常开触点和按钮开关于供 电电源的负极, 控制继电器触点的常闭端与井道灯继电器线圈、 蜂鸣器一端共 同相接, 井道灯继电器线圈另一端接一幵关, 开关的另外两端并联在检测继电 器常闭触点两端, 蜂鸣器另一端与电源正极相接, 控制继电器另外一触点组与 电梯的 "正常运行一检修"开关相接, 其常闭触点与 "检修"端相接, 常开触 点与 "正常运行"端相接。
2、一种电梯的控制方法, 对电梯厅门与轿厢的相对位置进行检测, 一旦出 现轿厢到站平层超差过大或是电梯在未关闭厅门的情况下轿厢出现向上、 向下 方向的移动时, 其特征在于:
a、立即将电梯由原来的 "正常运行"状态转换为 "检修 "状态来实现电梯 停止运行:
b、通过发出讯响的方法,提示当事人电梯目前处于非安全状态, 防止高出 的地坎拌倒乘客伤害事件的发生;
c、 采用在机房发出讯响的方法提示检修人员注意, 电梯设置在检修状态, 避免维修人员的误操作。
3、根据权利要求 2所述的电梯的控制方法,其特征在于所述的装置设置在 检修状态, 如果需要恢复电梯的正常运行, 必须先将电梯调整至安全状态下, 并且在机房进行 "复位"操作之后才能够实现。
4、一种电梯的控制方法, 对电梯厅门与轿厢的相对位置进行检测, 当电梯 底层厅门被打开时, 其特征在于:
a、井道灯自动燃亮, 而当电梯处于能够正常运行的状态时, 井道灯能够自 动熄灭, 且不再需要其他对井道灯的操作过程, 实现电梯井道灯自动打开和关 闭;
b、立即将电梯由原来的正常运行状态转换为检修状态,即使是关闭厅门后, 电梯也无法"正常运行", 防止对进入井道地坑作业的人员产生伤害, 直至作业 的人员离开井道地坑到机房进行 "复位"操作之后, 电梯方能够处于正常运行 状态。
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