EP4172089A1 - Beleuchtungseinrichtung für eine aufzugsanlage und verfahren zum beleuchten eines aufzugsschachts - Google Patents
Beleuchtungseinrichtung für eine aufzugsanlage und verfahren zum beleuchten eines aufzugsschachtsInfo
- Publication number
- EP4172089A1 EP4172089A1 EP21731766.8A EP21731766A EP4172089A1 EP 4172089 A1 EP4172089 A1 EP 4172089A1 EP 21731766 A EP21731766 A EP 21731766A EP 4172089 A1 EP4172089 A1 EP 4172089A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- elevator system
- lighting device
- elevator
- state
- light signal
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
- B66B3/004—Mechanical devices that can be illuminated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/22—Operation of door or gate contacts
Definitions
- the invention relates to a lighting device for an elevator system and a method for illuminating an elevator shaft of an elevator system as well as an elevator system which has such a lighting device or is controlled by said method.
- the elevator car moves between different floors (corridors) of a building in order to transport passengers.
- the elevator shaft is illuminated at least during maintenance or inspection work. It is known that light emitting diodes (LED) or light emitting diode strips are used as shaft lighting.
- a counterweight which is connected to the elevator car via a suspension element, moves towards the moving elevator car and normally past the elevator car at approximately half the height of the elevator shaft. Since a technician often has to work on the roof of the elevator car or in a pit in the elevator shaft during maintenance or installation work on the elevator system, the counterweight can push the technician. Therefore, in this case, a collision accident should be avoided as much as possible.
- a technician in the elevator shaft has to be constantly informed whether the elevator car is currently being set to move in a normal mode or maintenance operating mode, or whether the counterweight is just approaching the elevator car.
- many safety-relevant components have to be monitored in the elevator system in order, for example, to be able to operate or control the elevator system appropriately and safely. This means that a large number of sensors or switches are used, with the aid of which signals or information can be used to monitor the technician in the elevator shaft's current status of the safety-relevant components. If one of these components fails, the elevator system is immediately put out of operation or operated with limited functions.
- a safety-relevant component is, for example, a landing door that is only opened on a floor when the elevator car lands on this floor.
- the elevator car can move when this door contact switch is closed again. If a door contact switch is opened or not properly closed, the elevator car may no longer move.
- Such a door contact switch must therefore be constantly monitored, and its status must be reported immediately to a technician in the elevator shaft so that he can find out whether the elevator car is currently movable, whether all shaft doors are currently properly closed, or whether someone could have entered the elevator shaft through a shaft door.
- a lighting device for an elevator system having at least one light source.
- the lighting device can illuminate an elevator shaft of the elevator system in such a way that the lighting device can indicate at least two states of the elevator system.
- the light source can generate a first light signal in a first state of the elevator installation. For this purpose, it can emit a second light signal when the elevator system is in a second state, the difference between the first and the second light signal being visible, namely to human eyes.
- the first state is, for example, a normal operating mode of the elevator system, while the second state is an inspection operating mode or an emergency operating mode of the elevator system.
- the lighting device can also indicate at least a first switching state and a second switching state of a safety element of the elevator installation.
- a safety element is e.g. a switch, a control device or a sensor etc. of the elevator system.
- the safety element is a shaft door switch of the elevator system
- the first switching state means an open shaft door of the elevator system
- the second switching state indicates a closed shaft door of the elevator system, so that the state, in particular opening and closing, of the shaft door at all times a light signal can be monitored.
- the first and the second light signal can be emitted in different colors. It is particularly advantageous that the light source will change its light color as a function of an operating state of the elevator installation.
- the light source can comprise one or more light-emitting diodes (LEDs), in particular be designed as a band of several light-emitting diodes, wherein the LEDs can emit different colors.
- the band will, for example, extend continuously in one piece or in several pieces along an elevator shaft. Since LEDs have a low electrical power consumption (e.g. energy efficiency class A +) they generate little heat loss and allow a high degree of flexibility in terms of color selection.
- the light emitted by an LED has a certain wavelength and therefore a certain color.
- LEDs Normally an LED only emits a single color light signal. Even if some LEDs can change their light color, for example by changing an input voltage, the light color is limited to a very narrow wavelength range. As a rule, therefore, several LEDs that emit different colors of light are preferably used. By controlling the respective LEDs to switch them on and off at a specific point in time, the light source can emit any color or a specific color combination. With different colors and lighting duration, a color code is used to flexibly represent different situations or danger levels depending on different light signals. In addition to energy savings, LEDs have other advantages over various types of lighting, as the low operating temperature of LEDs associated with low power consumption increases the service life of the light source. Thus, the costs for the new acquisition and the corresponding installation effort can be reduced. Furthermore, LEDs have a large beam angle, which contributes to the good illumination of the elevator shaft and at the same time reduces glare for the eyes, even with direct vision.
- the lighting device has, for example, an alarm indicator with an optical sensor, wherein the optical sensor can detect the first and / or the second light signal.
- the alarm indicator can use the detected first and / or the second light signal to generate an alarm signal corresponding to the first and / or the second state of the elevator installation.
- the alarm signal can be generated as an acoustic signal or as an optical signal in one or more specific colors, as a result of which the alarm signal in the elevator shaft can be immediately perceived by human beings. If the alarm signal is in the form of an optical signal, the alarm signal can also be generated by the lighting device.
- the lighting device is also considered to be an alarm device or it is considered that the alarm device is integrated in the lighting device, such as some LEDs of the lighting device are no longer used as or only as a light source to illuminate the elevator shaft, but as a light alarm device to alert one Technician in the elevator shaft.
- the lighting device mainly has to illuminate the elevator shaft, the color arrangements for the light signals of the lighting device and the optical alarm signal are independently defined differently, e.g. the alarm signal is defined according to IEC standards (International Electrotechnical Commission). A color arrangement for the light signals of the lighting device is explained in detail below by means of exemplary embodiments.
- a further possibility for increasing the warning effect of the lighting device is that the lighting device can be configured and controlled by a control unit of the elevator system so that the light source of the lighting device can illuminate the elevator shaft in accordance with a customer request.
- One such configuration can either be performed automatically by the control unit, such as on a schedule, or by manual actuation of the control unit.
- the lighting device can be supplied with two separate power supply circuits, a first power supply circuit being connected to a public power grid, and a second power supply circuit having an electrical energy store.
- the electrical energy storage is e.g. a battery unit or a UPS system - i.e. an uninterruptible power supply. If the first power supply circuit fails, the second power supply circuit is switched on immediately and the lighting device continues to feed seamlessly with power. This means that the lighting device can continue to illuminate the elevator shaft even in an emergency, such as a power failure, and usually with weaker light.
- a method for illuminating an elevator shaft of an elevator system in which the elevator shaft is illuminated by at least one light source in such a way that a first light signal is emitted by the light source when the elevator system is in a first state and a second light signal is emitted when the elevator system is in a second state, and wherein the first and second light signals are visually distinguishable from one another.
- an elevator system which has at least one previously illustrated lighting device or which can be controlled by the above-mentioned method.
- FIG. 1 shows a schematic representation of an elevator installation according to the invention
- FIG. 2 shows a schematic representation of a lighting device according to the invention.
- An elevator installation 2 is shown in FIG.
- a counterweight 12 and an elevator car 11 are carried by a support means 13.
- the elevator car 11 moves vertically in the elevator shaft 4 during operation and the counterweight 12 executes an opposite movement.
- the lighting device 1 for the elevator installation 2, the lighting device 1 being provided with at least one light source.
- the lighting device 1 comprises, for example, three light sources 3.1, 3.2 and 3.3, each of which is shown in white and gray and dark gray in FIG.
- Each light source comprises a plurality of light emitting diodes (LED).
- the light sources 3 or their LEDs form an LED strip which, for example, extends in one piece over the entire shaft height, namely from the shaft ceiling to the shaft pit of the elevator shaft 4 up to 20 meters long and equipped with a contour and / or connector at the end.
- a first light source 3.1 illuminates the elevator shaft 4 with a first light signal 3a when the elevator system 2 is set to normal operating mode
- a second light source 3.2 which can generate a second light signal 3b, lights up when the elevator system 2 is in an inspection mode.
- a different state of the elevator system 2 or a switching state of a safety element 5 of the elevator system 2 can be displayed with the two light sources 3.1, 3.2 with the aid of a further light source 3.3.
- the safety element 5 can be a switch, a sensor or a control unit which is responsible for a safety-relevant function of the elevator installation 2.
- a typical example of a safety element 5 is a shaft door switch of the elevator system 2. By determining a switching state of the switching door switch 5, information about an open or closed shaft door 7 of the elevator system 2 can be obtained up-to-date.
- the light signals 3a, 3b, 3c can be emitted as different colors.
- the colors are changed when an operating state is changed or when a safety element 5 of the elevator installation 2 is switched.
- the light source 3 or the LED strip is equipped with several LEDs which can emit different colors.
- the first light source 3.1 can either be switched off or remain switched on when another light source 3.2 or 3.3 is switched on. This also applies analogously to the second 3.2 or the third light source 3.3.
- the lighting duration or flashing duration of the light source 3 can be adapted with regard to different dangerous situations in order to increase the warning effect of the lighting device or to expand the situations to be warned. Specific examples are given in the following table.
- the lighting device 1 will alternately emit light signals in white and orange by the first light source 3.1 and the second light source 3.2 one after the other switched on and off.
- the white light signal 3a and the orange light signal 3b can be emitted in the same or different time duration and / or quantity, whereby the light signals 3a, 3b can be read as a light code.
- the alternately flashing white and orange light signals 3a, 3b indicate a danger, and with the same length of time, for example, if there is a personal presence in the elevator shaft 4, they mean that the counterweight 12 is approaching the elevator car 11.
- the presence of the person 15 in the shaft is determined for example from the shaft door contact 5 of a shaft door 7 or a manually operated unlocking key (not shown), which is normally located outside the pull-out shaft 4.
- a white and the orange light signals 3a, 3b are emitted at the same time but in different amounts - such as, for example, all three orange light signals are a white signal - it means, for example, when a person 15 is on the car roof that the elevator car 11 is approaching the highest floor moved. The more orange signals there are, the more urgently the warning is given that the elevator car 11 is coming in the vicinity of the highest floor.
- the displayed warning indicates, for example, that the elevator car 11 is moving downwards approximately to the lowest floor while a person is in the chess pit.
- a different combination (for example sequence) of the light signals 3a, 3b can possibly indicate a different situation. Further possible warnings or information that can be displayed by the LED strip are shown in the following table as examples in detail but not exhaustively.
- the first and third light sources 3.1 and 3.2 can generate the light signals 3a and 3c flashing in white when a person 15 is in the elevator shaft 4 and a temporary safety device (not shown) of the elevator system 2 is activated.
- a temporary safety device can, for example, as an additional brake or a safety holder, for example a bumper, limit an available car movement at the upper and lower end of the elevator shaft 4 in order to keep a sufficient safety space free.
- the lighting device 1 also has an alarm indicator 8 with an optical sensor 9.
- the optical sensor 9 can detect a light code represented by the light signals 3a, 3b, 3c. And the alarm indicator 8 can decode the light code. If a detected light code represents a dangerous situation, an alarm signal 18 is generated.
- the alarm signal 18 is generated as an acoustic signal and / or an optical signal in order to alert the persons 15 in the elevator shaft 4 or at the elevator installation 2 directly about a corresponding dangerous situation.
- An acoustic signal can be an audio signal or a voice signal. If the alarm signal is an optical signal, the alarm indicator 8 can also use the light source 3 or be formed by a part of the LED strip.
- the alarm signal 18 is an optical signal that is generated in one or more specific larvae.
- the levels of the alarm signal 18 are determined, for example, as usual in accordance with IEC standards (International Electrotechnical Commission), which or their meanings are possibly given in a table as follows:
- the lighting device 1 can be configured or controlled automatically and / or manually by a control unit 6 of the elevator installation 1. Because switching on / off, a sequence and colors of the light sources 3 are adapted to the respective usage profile and freely selected, the lighting device 1 can illuminate the elevator shaft 4 in any color or style of the customer.
- the lighting device 1 is supplied with two separate power supply circuits 14a and 14b, a first power supply circuit 14a being connected to a public power network 17, which can be configured as an independent circuit or can also use a power supply circuit of the elevator system 1.
- the lighting device 1 has a second power supply circuit 14b available in an emergency.
- the second power supply circuit 14b is formed with an electrical energy store 16, which is, for example, a battery unit or a UPS system.
- the lighting device 1 continues to be supplied with the second power supply circuit 14b despite the failure of the first power supply circuit 14a. That is, the power supply for the lighting device 1 is switched from the first 14a to the second power supply circuit 14b without interrupting the power in an emergency.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Auxiliary Devices For Music (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP20183197 | 2020-06-30 | ||
| PCT/EP2021/065447 WO2022002547A1 (de) | 2020-06-30 | 2021-06-09 | Beleuchtungseinrichtung für eine aufzugsanlage und verfahren zum beleuchten eines aufzugsschachts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4172089A1 true EP4172089A1 (de) | 2023-05-03 |
| EP4172089B1 EP4172089B1 (de) | 2024-09-18 |
Family
ID=71409212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21731766.8A Active EP4172089B1 (de) | 2020-06-30 | 2021-06-09 | Beleuchtungseinrichtung für eine aufzugsanlage und verfahren zum beleuchten eines aufzugsschachts |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230257229A1 (de) |
| EP (1) | EP4172089B1 (de) |
| CN (1) | CN115768709B (de) |
| AU (1) | AU2021302335B2 (de) |
| ES (1) | ES2992603T3 (de) |
| WO (1) | WO2022002547A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118891959A (zh) * | 2022-03-31 | 2024-11-01 | 通力股份公司 | 电梯系统 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7954606B2 (en) * | 2005-10-05 | 2011-06-07 | Otis Elevator Company | Elevator system control responsive to hoistway access detection |
| MY143338A (en) * | 2006-04-28 | 2011-04-29 | Inventio Ag | Elevator car lighting equipment for guidance of persons |
| CN201419718Y (zh) * | 2009-05-25 | 2010-03-10 | 宁波宝鑫铁路信号设备制造有限公司 | Led光源信号机检测报警装置 |
| KR101147069B1 (ko) * | 2009-11-02 | 2012-05-17 | (주) 첨성시스템 | 승강기 출입구 안전조명장치 |
| JP5824044B2 (ja) * | 2010-07-12 | 2015-11-25 | オーチス エレベータ カンパニーOtis Elevator Company | 速度位置検知システム |
| JP5522792B2 (ja) * | 2010-07-30 | 2014-06-18 | 東芝エレベータ株式会社 | エレベータシステム |
| CN103274268B (zh) * | 2013-06-19 | 2016-12-28 | 苏州信亚科技有限公司 | 用于智能电梯的led灯预警系统 |
| EP3409627B1 (de) * | 2017-05-29 | 2019-07-03 | KONE Corporation | Verfahren zur steuerung einer aufzugsbeleuchtung und aufzug |
| US11053095B2 (en) * | 2018-05-02 | 2021-07-06 | Otis Elevator Company | Elevator alert system |
-
2021
- 2021-06-09 US US18/003,162 patent/US20230257229A1/en active Pending
- 2021-06-09 WO PCT/EP2021/065447 patent/WO2022002547A1/de not_active Ceased
- 2021-06-09 CN CN202180046195.1A patent/CN115768709B/zh active Active
- 2021-06-09 ES ES21731766T patent/ES2992603T3/es active Active
- 2021-06-09 AU AU2021302335A patent/AU2021302335B2/en active Active
- 2021-06-09 EP EP21731766.8A patent/EP4172089B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| AU2021302335A1 (en) | 2023-02-09 |
| WO2022002547A1 (de) | 2022-01-06 |
| AU2021302335B2 (en) | 2024-09-26 |
| EP4172089B1 (de) | 2024-09-18 |
| US20230257229A1 (en) | 2023-08-17 |
| CN115768709B (zh) | 2026-03-17 |
| CN115768709A (zh) | 2023-03-07 |
| ES2992603T3 (en) | 2024-12-16 |
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