WO2017161888A1 - 一种电梯应急系统 - Google Patents

一种电梯应急系统 Download PDF

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Publication number
WO2017161888A1
WO2017161888A1 PCT/CN2016/104198 CN2016104198W WO2017161888A1 WO 2017161888 A1 WO2017161888 A1 WO 2017161888A1 CN 2016104198 W CN2016104198 W CN 2016104198W WO 2017161888 A1 WO2017161888 A1 WO 2017161888A1
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WIPO (PCT)
Prior art keywords
intercom
car
elevator emergency
elevator
switchboard
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PCT/CN2016/104198
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English (en)
French (fr)
Inventor
周经成
黄建武
夏琼
杨保云
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江苏威尔曼科技有限公司
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Publication of WO2017161888A1 publication Critical patent/WO2017161888A1/zh

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    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • 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
    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well

Definitions

  • the invention relates to the technical field of elevators, and in particular to an elevator emergency system.
  • Elevators are used more and more frequently in people's lives. With the development of science and technology, the number of high-rise buildings in the city has increased, and elevators have become more and more popular. When people enjoy the convenience brought by the elevator, they pay more attention to the safety of the elevator.
  • elevators in many cities have been used for a long time.
  • the power supply facilities have aging equipment. Sometimes the sudden power failure causes the elevator to stop during operation. Similarly, the sudden interruption of the mains will cause the elevator to stop running. The situation will cause panic, and even some passengers will be over-reacted - opening the car door and climbing outward during the power outage, posing a great security risk.
  • the elevator emergency intercom system provides a voice dialogue mode between the elevator subsystem and the duty room in an emergency state, and is composed of an elevator intercom system and a duty room switchboard.
  • the existing intercom system connects the elevator intercom subsystem and the duty room host by means of signal cable or wireless transmission.
  • the connection mode includes a distribution system, a bus system and a wireless transmission; in the prior art, the following defects generally exist:
  • the wiring system has high wiring cost; the wireless transmission mode is susceptible to interference, the debugging is complicated, and the stability is poor; the video intercom needs to be transmitted through a network or a dedicated cable.
  • the existing elevator intercom system is affected by the elevator environmental conditions and affects the call quality (background noise, electrical equipment radiation interference, transmission distance, load change)
  • Chinese Patent No. CN202829192U discloses an elevator emergency system, characterized in that the elevator emergency system comprises a main controller, and an elevator fault sensor connected to the main controller, an emergency power supply, a leveling control unit, and a door opening control unit. And a communication unit and an oxygen replenishing unit, the elevator emergency system further comprising an illumination lamp, the illumination lamp being coupled to the emergency power source.
  • the technical solution mainly solved by the technical solution is that in the event of an emergency, it can simultaneously provide sufficient illumination, oxygen and communication power for the elevator and issue an alarm to improve the safety and reliability of the elevator, but there is no emergency rescue measure.
  • the personal safety of elevator occupants cannot be guaranteed very well.
  • An elevator remote wireless intercom system is disclosed, for example, in Chinese patent CN204031379U, which is characterized in that it comprises a car talker (1), a machine room extension (2), a GSM host (3), a duty room terminal (4), and a car pass.
  • the telephone (1) is connected to the computer room extension (2) via the accompanying cable (7)
  • the UHF wireless link (5) is connected between the computer room extension (2) and the GSM host (3)
  • the GSM host (3) and The duty room terminals (4) are connected via a GSM network (6).
  • the technical solution can realize long-term connection, real-time communication, stable quality, flexible use, and good environmental adaptability through wireless communication.
  • the problem of emergency rescue is still not solved at the same time as the alarm, and Wireless transmission, easy to exist signal is susceptible to interference, complicated debugging, poor stability, and serious signal distortion.
  • the present invention provides an elevator emergency system.
  • the technical solution adopted by the invention is: an elevator emergency system, and the innovations thereof include: an elevator emergency intercom system and an elevator emergency rescue system, and the elevator emergency intercom system connects the elevator emergency rescue system through a signal switch to control the elevator emergency
  • the rescue system is activated and closed;
  • the elevator emergency intercom system comprises a car intercom switchboard, a duty room intercom switchboard, a machine room terminal, a car top terminal and a car bottom terminal, and the car intercom switchboard is integrated in anti-signal distortion
  • the anti-signal distortion system includes a COP TFT multimedia platform;
  • the COP TFT multimedia platform is provided with a plurality of peripheral interfaces, and is integrated with a signal conversion device and a communication protocol.
  • the signal conversion device is an A/D conversion device or an optical signal conversion device.
  • the car intercom switchboard and the duty room intercom switchboard, the car intercom switchboard and the car top terminal, the car intercom switchboard and the machine room terminal, and the car intercom switchboard and the car bottom terminal Transmission using CAN bus.
  • the signal conversion device of the elevator emergency intercom system is an A/D conversion device
  • a D/A conversion device and a power amplifier are further included; the power amplifier and the A/D conversion device; Or D/A converter communication connection.
  • the signal conversion device of the elevator emergency intercom system is an optical signal conversion device
  • the car intercom switchboard, the duty room intercom switchboard, the machine room terminal, the car top terminal, and the car bottom terminal The optical signal processing conversion device is also set internally.
  • the car intercom switchboard and the duty room intercom switchboard, the car intercom switchboard and the car top terminal, the car intercom switchboard and the machine room terminal, and the car intercom switchboard and the car bottom terminal Optical cable transmission.
  • the cable transmission includes a bidirectional data transmission channel.
  • the power amplifier is coupled to a signal switch that is coupled to the elevator emergency rescue system.
  • the elevator emergency rescue system includes an electromagnetic relay, an elevator power switch, a backup power module, and an emergency operating device, the electromagnetic relay is connected at one end to the signal switch, and the other end is connected to the standby power module; the electromagnetic relay They are respectively connected to the elevator power switch and the emergency operating device.
  • the emergency operating device includes an emergency hoisting wheel, the emergency hoisting wheel includes two half wheels; any one of the two half wheels is point-connected, and the other end is not connected; The chord lengths of each half wheel are provided with latching teeth.
  • the elevator emergency intercom system of the invention comprises an elevator emergency intercom system and an elevator emergency rescue system, which can open an elevator emergency rescue system at the same time of emergency alarm or intercom, and can implement emergency rescue to further ensure the passenger's personal body. Safety.
  • the elevator emergency system can be integrated on the COP TFT multimedia platform, and the COP TFT multimedia platform has rich peripheral interfaces, and can be equipped with A/D conversion and communication protocol, which can be simple The analog voice signal is converted into a digital signal transmission, which is convenient to operate and has low production cost.
  • the elevator emergency intercom system of the present invention can also be provided with an optical signal processing conversion device in the car intercom switchboard, the duty room intercom switchboard, the machine room terminal, the car top terminal and the car bottom terminal based on the optical fiber communication.
  • an emergency intercom system for improving the interconnection of traditional intercom systems is realized.
  • the overall installation is convenient and the cost is low; stable and reliable; when using optical fiber communication, the video intercom is also There is no need to expand the communication line.
  • the elevator emergency intercom system of the present invention adopts digital signal propagation, between the car intercom and the duty room intercom, the car intercom and the car top terminal, the car intercom and the machine room terminal.
  • the car intercom and the car bottom terminal adopt CAN bus transmission, which can solve the signal distortion, noise and sound measurement problems caused by long-distance transmission of voice, has significant transmission advantages, and significantly reduces the cost.
  • the elevator emergency rescue system of the present invention mainly comprises an electromagnetic relay, an elevator power switch, a backup power supply module and an emergency operation device, and has a simple structure, convenient connection, and setting of an emergency operation device, which can effectively ensure that the car is braked. stop.
  • the elevator emergency rescue system of the present invention comprises an emergency hoisting wheel, the emergency hoisting wheel comprising two half wheels; any one of the two half wheels is connected by a point, and the other end is not connected;
  • the chord lengths of each half wheel are provided with latching teeth, and the car is braked by the loosening and closing of the half wheel. Since the chord lengths on both sides are provided with the latching teeth, the latching teeth and the outer side of the car
  • the insurance card teeth cooperate to generate friction on both sides, which can effectively catch the insurance card teeth, thereby ensuring that the elevator stops in the elevator shaft.
  • FIG. 1 is a schematic diagram of forward transmission of an elevator emergency intercom system according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic diagram of reverse transmission of an elevator emergency intercom system according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of transmission of an elevator emergency intercom system and an elevator emergency rescue system according to Embodiment 1 of the present invention
  • FIG. 4 is a schematic structural view of an emergency operating device according to Embodiment 1 of the present invention.
  • Figure 5 is an enlarged view of a portion of an emergency operating device according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of forward transmission of an elevator emergency intercom system according to Embodiment 2 of the present invention.
  • the invention discloses an elevator emergency system, which comprises an elevator emergency intercom system and an elevator emergency rescue system.
  • the elevator emergency intercom system connects the elevator emergency rescue system through a signal switch to control the startup and closure of the elevator emergency rescue system.
  • the elevator emergency intercom system of the present embodiment includes a car intercom (such as a microphone, a walkie-talkie, etc., or a microphone or a device connected to the preamplifier), and a duty room intercom.
  • a car intercom such as a microphone, a walkie-talkie, etc., or a microphone or a device connected to the preamplifier
  • the above-mentioned elevator emergency intercom system is set up by digital signal propagation. Because the digital signal has strong anti-interference ability, small distortion and low noise, the elevator emergency system can be integrated on the COP TFT multimedia platform.
  • the TFT multimedia platform has a rich peripheral interface and can be equipped with A/D conversion and communication protocol, which can realize the simple conversion of the analog voice signal into digital signal transmission, convenient operation and low production cost.
  • the microphone or other device accepts the voice signal, through the preamplifier and the A/D conversion of the COP TFT multimedia platform itself, and then defines the voice transmission mode, which is transmitted to the car top terminal or the car bottom (pit) terminal through the CAN bus or Duty room or computer room terminal.
  • a Referring to FIG. 1, when the car calls the duty room, the car microphone first receives the voice signal, and passes the COP TFT multimedia platform.
  • the preamplifier performs power amplification, then self-A/D conversion, and then is loaded into the CAN bus and transmitted to the duty room, and then the duty room terminal receives the voice signal through D/A conversion, and the amplifier amplifies the voice signal through the speaker;
  • b Refer to Figure 2: When the duty room calls the car, the microphone in the duty room first receives the voice signal, which is amplified by the amplifier, converted by the A/D converter, loaded into the CAN bus and transmitted to the COP TFT multimedia platform, COP TFT multimedia.
  • the platform receives the voice signal through its own D/A conversion, and then amplifies the voice signal through the speaker after being amplified; c: refer to FIG. 1:
  • the car calls the machine room, first the car microphone receives the voice signal, and passes through the COP TFT multimedia platform. Amplifier amplification, A/D conversion, loading to the CAN bus for transmission to the equipment room, the terminal of the computer room receives the voice signal through D/A In other words, the speech signal is reduced by the horn amplified.
  • an elevator emergency rescue system is added.
  • a signal switch 3 is connected to the power amplifier of the car voice receiver, and the signal switch 3 is connected to the elevator.
  • Emergency rescue system As shown in FIG. 3, the elevator emergency rescue system includes an electromagnetic relay, an elevator power switch, a backup power module, and an emergency operation device, and one end of the electromagnetic relay is connected to the signal switch 3, and the other end is connected to the standby power module; It is connected to the elevator power switch and the emergency operating device. When the elevator is working normally, the system is in the standby state.
  • the car intercom (such as a microphone, a walkie-talkie, etc.) senses the call for help from the passenger or the alarm sound after the passenger presses the emergency button. After the acoustic-electrical conversion, the signal is transmitted to the power amplifier for power amplification, the amplified signal is transmitted to the signal switch 3, and the trigger signal switch is closed, and the signal switch 3 is connected to the coil of the electromagnetic relay.
  • the structure of the emergency operating device 1 is schematically illustrated, including an emergency holding wheel 2, which includes two half wheels, respectively a first half wheel 21 and a second The half wheel 22; the two ends of the two half wheels are connected at a point, and the other end is not connected; the chord lengths of the two half wheels are all provided with a latching tooth 23, after the emergency operating device 1 is started, refer to FIG. 5, emergency The latching teeth 23 provided on the chord lengths of the two halves of the recumbent wheel 2 gradually close together and cooperate with the securing latches on the outer side of the car, and the frictional force is generated on both sides, which can effectively catch the insurance latching teeth and thereby ensure the elevator stops.
  • the elevator emergency intercom system of the embodiment including the elevator emergency intercom system and the elevator emergency rescue system, can open the elevator emergency rescue system at the same time of emergency alarm or intercom, and can implement emergency rescue to further ensure the personal safety of the passenger.
  • the elevator emergency intercom system of the present embodiment includes a car intercom (such as a microphone, a walkie-talkie and the like, or a microphone or a device connected to the preamplifier), and a duty room intercom (such as a microphone, a walkie-talkie, etc.) ), computer room terminals (such as computer room extensions, computer room switchboards, etc.), car top terminals, car bottom terminals, among the above-mentioned main components, based on optical fiber communication, low cost, large bandwidth and high reliability, to achieve an improved interconnection of traditional intercom systems
  • the emergency intercom system is convenient to install and low in cost; stable and reliable, and the video intercom does not need to expand the communication line.
  • the car intercom switchboard, the duty room intercom switchboard, the machine room terminal, the car top terminal and the car bottom terminal are also provided with optical signal processing conversion devices, and the car intercom and the duty room intercom between the switchboards and the car
  • the intercom and car top terminals, the car intercom and the machine room terminal, and the car intercom and car bottom terminals are all optical cables.
  • the car intercom is integrated in the anti-signal distortion system; the anti-signal distortion system includes the COP TFT multimedia platform; the COP TFT multimedia platform is provided with multiple peripheral interfaces.
  • the optical signal conversion device and the communication protocol are integrated by itself, and the communication protocol of the optical fiber communication selects the FC protocol; as a preferred, the optical cable transmission includes a bidirectional data transmission channel.
  • the implementation manner is that the audio intercom information, the control data, and the additional data are multiplexed and encoded, and then transmitted through an optical fiber; and the bidirectional data transmission is encoded by using a method of media access control and data error control.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

公开了一种电梯应急系统，包括电梯应急对讲系统和电梯应急救援系统，所述电梯应急对讲系统通过信号开关连接电梯应急救援系统，控制电梯应急救援系统的启动和闭合；所述电梯应急对讲系统包括轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端，所述轿厢对讲总机集成在防信号失真系统内；所述防信号失真系统内包含有COP TFT多媒体平台。该电梯应急对讲系统能够在应急报警或对讲的同时，开启电梯应急救援系统，能够实行应急救援，进一步保证乘客的人身安全。

Description

一种电梯应急系统 技术领域
本发明涉及电梯技术领域，尤其涉及一种电梯应急系统。
背景技术
电梯在人们的生活中，使用越来越频繁。随着科技的发展，城市中高楼大厦不断增加，电梯也越来越普及。人们在享受电梯带来的便利时，对电梯的安全性也更加重视。现在有很多城市中的电梯已经使用了很长时间，其供电设施存在设备老化的情况，有时会突然断电导致电梯在运行过程中停止；同样，市电突然中断也会造成电梯停止运行，这种情况会造成人员恐慌，甚至有一些乘客出现过激反映——在停电期间扒开轿门向外爬，形成很大的安全隐患。所以必须有应急电源系统以保证在电梯突然停止运行时有足够的电力使电梯完成到达平层及电梯开门动作，以便对电梯中的滞留人员实施救援；同时，为电梯内提供充足的照明及通讯用电可以有效的缓解电梯内滞留人员的恐慌情绪。
电梯应急对讲系统提供应急状态下电梯子系统和值班室的语音对话方式，由电梯对讲子系统和值班室总机构成。现有对讲系统，采用信号电缆或无线传输的方式连接电梯对讲子系统和值班室主机，连接方式有分线制、总线制和无线传输；现有技术中一般存在着下述缺陷：分线制系统布线成本高；无线传输方式易受干扰，调试复杂，稳定性差；视频对讲需通过网络或专用线缆传输。况且，现有的电梯对讲机系统受电梯环境工况干扰而影响通话质量(背景噪声，电气设备辐射干扰，传输距离，负载改变)
例如中国专利CN202829192U公开了一种电梯应急系统，其特征在于，所述电梯应急系统包括主控器，以及与所述主控器连接的电梯故障传感器、应急电源、平层控制单元、开门控制单元、通信单元和氧气补充单元，所述电梯应急系统还包括照明灯，所述照明灯与所述应急电源连接。该技术方案主要解决的技术问题是在发生紧急情况时，能够同时为电梯内提供充足的照明、氧气及通讯用电并发出警报，提高电梯的安全可靠性，但是没有任何紧急救援措施，这是不能很好的保证电梯乘坐者的人身安全。
在例如中国专利CN204031379U公开了电梯远程无线对讲系统，其特征在于包括轿厢通话器(1)、机房分机(2)、GSM主机(3)、值班室终端(4)，轿厢通 话器(1)通过随行电缆(7)与机房分机(2)通讯连接，机房分机(2)与GSM主机(3)之间通过UHF无线链路(5)通讯连接，GSM主机(3)与值班室终端(4)之间通过GSM网络(6)通讯连接。该技术方案通过无线通讯的方式，能够做到长期连线，实时通话，质量稳定，使用灵活方便，环境适应性好，但是依旧没有解决在报警的同时，实现紧急救援的问题，况且，采用去无线传输，容易存在信号易受干扰，调试复杂，稳定性差，信号失真严重。
发明内容
为克服现有技术中存在的信号易受干扰，调试复杂，稳定性差，信号失真严重，且在报警的同时，没能实现紧急救援的问题，本发明提供了一种电梯应急系统。
本发明采用的技术方案为：一种电梯应急系统，其创新点在于：包括电梯应急对讲系统和电梯应急救援系统，所述电梯应急对讲系统通过信号开关连接电梯应急救援系统，控制电梯应急救援系统的启动和闭合；所述电梯应急对讲系统包括轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端，所述轿厢对讲总机集成在防信号失真系统内；所述防信号失真系统内包含有COP TFT多媒体平台；所述COP TFT多媒体平台设置有多个外设接口，且自身集成有信号转换装置及通信协议。
在一些实施方式中，所述信号转换装置为A/D转换装置或光信号转换装置。
在一些实施方式中，所述轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端采用CAN总线传输。
在一些实施方式中，所述电梯应急对讲系统的信号转换装置中为A/D转换装置时，此时，还包括D/A转换装置和功率放大器；所述功率放大器与A/D转换装置或D/A转换装置通讯连接。
在一些实施方式中，所述电梯应急对讲系统的信号转换装置中为光信号转换装置时，此时，轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端内均同样设置光信号处理转换装置。
在一些实施方式中，所述轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端采用光缆 传输。
在一些实施方式中，所述光缆传输包括双向数据传输通道。
在一些实施方式中，所述功率放大器与信号开关连接，所述信号开关连接电梯应急救援系统。
在一些实施方式中，所述电梯应急救援系统包括电磁继电器、电梯电力开关、备用电源模块和紧急操作装置，所述电磁继电器一端与信号开关相连，另一端与备用电源模块相连；所述电磁继电器分别与电梯电力开关和紧急操作装置连通。
在一些实施方式中，所述紧急操作装置包括紧急合抱轮，所述紧急合抱轮包括两个半轮；所述两个半轮的任意一端进行点连接，另一端则不进行连接；所述两个半轮的弦长上均设置有卡齿。
与现有技术相比，本发明的有益效果是：
(1)本发明的电梯应急对讲系统，包括电梯应急对讲系统和电梯应急救援系统，能够在应急报警或对讲的同时，开启电梯应急救援系统，能够实行应急救援，进一步保证乘客的人身安全。
(2)本发明的电梯应急对讲系统，电梯应急系统可集成在COP TFT多媒体平台上，COP TFT多媒体平台有丰富的外设接口，且可自带A/D转换及通信协议，就可以简单的把模拟的语音信号转换成数字信号传输，操作方便，制作成本小。
(3)本发明的电梯应急对讲系统，还可以基于光纤通信，在轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端内均同样设置光信号处理转换装置，基于光纤通信的成本小、带宽大和可靠性优势大，实现了一种改善传统对讲系统互联的应急对讲系统，总体安装方便、成本低廉；稳定可靠；采用光纤通信时，视频对讲也无需扩展通信线路。
(4)本发明的电梯应急对讲系统，采用数字信号传播时，轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端采用CAN总线传输，能够解决语音长距离传输而造成的信号失真，噪声，测音问题，具有显著的传输优势，且明显降低成本。
(5)本发明的电梯应急救援系统，主要包括电磁继电器、电梯电力开关、备用电源模块和紧急操作装置，结构简单，连接方便，且紧急操作装置的设定，更能有效保证轿厢被刹停。
(6)本发明的电梯应急救援系统，包括紧急合抱轮，所述紧急合抱轮包括两个半轮；所述两个半轮的任意一端进行点连接，另一端则不进行连接；所述两个半轮的弦长上均设置有卡齿，通过半轮的松开和紧闭，实现轿厢被刹停，由于两侧的弦长上均设置有卡齿，因此卡齿与轿厢外侧的保险卡齿进行配合，双侧产生摩擦力，能够有效卡住保险卡齿，进而保证电梯停在电梯井道内。
附图说明
图1是本发明实施例1电梯应急对讲系统正向传输示意图；
图2是本发明实施例1电梯应急对讲系统反向传输示意图；
图3是本发明实施例1电梯应急对讲系统与电梯应急救援系统传输示意图；
图4是本发明实施例1紧急操作装置结构示意图；
图5是本发明实施例1紧急操作装置部分区域放大图；
图6是本发明实施例2电梯应急对讲系统正向传输示意图。
具体实施方式
以下结合附图和实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
本发明披露了一种电梯应急系统，包括电梯应急对讲系统和电梯应急救援系统，所述电梯应急对讲系统通过信号开关连接电梯应急救援系统，控制电梯应急救援系统的启动和闭合。
实施例1
如图1～2所示：本实施方式的电梯应急对讲系统包括轿厢对讲总机(例如麦克风、对讲机等通讯设备或者麦克风或对讲机与前置放大器连接后的设备)、值班室对讲总机(例如麦克风、对讲机等通讯设备)、机房终端(例如机房分机、机房总机等)、轿顶终端、轿底终端，D/A转换装置和功率放大器；上述主要部件中，参考图1：轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端均采用CAN总线传输，功率放大器与D/A转换装置通讯连接；为了解决语音长距离传输而造成的信号失真，噪声，测音的问题，以及基于明显降低成本的考虑之后，如图1：将轿厢对讲总机集成在防信号失真系统内；防信号失真系统内包含有COP TFT多媒体平台；COP TFT多媒体平台设置有多个外设接口，且自身集成有A/D转换装置及通信协 议。上述整个电梯应急对讲系统的设置，通过数字信号的传播，由于数字信号具有较强的抗干扰能力，失真小，噪声低的优点，因此，电梯应急系统可集成在COP TFT多媒体平台上，COP TFT多媒体平台有丰富的外设接口，且可自带A/D转换及通信协议，即可以实现把模拟的语音信号转换成数字信号传输简单化，操作方便，制作成本小。总体而言，麦克风或其他设备接受语音信号，通过前置放大及COP TFT多媒体平台自身A/D转换，然后定义语音传输方式，通过CAN总线传输到轿顶终端或轿底(底坑)终端或值班室或机房终端。
具体的，以下列举了几种不同的传输方式，以进一步扩大该实施方式的延展性：a：参考图1，当轿厢呼叫值班室，首先轿厢麦克风接收到语音信号，通过COP TFT多媒体平台前置放大器进行功率放大，然后自身A/D转换，随后加载到CAN总线传输至值班室，接着值班室终端接收到语音信号通过D/A转换，通过放大器放大后通过喇叭还原该语音信号；b：参考图2：当值班室呼叫轿厢，首先值班室麦克风接收到语音信号，通过放大器前置放大后，经过A/D转换器转换，加载到CAN总线传输至COP TFT多媒体平台，COP TFT多媒体平台接收到语音信号通过自身的D/A转换，放大后通过喇叭还原该语音信号；c：参考图1：当轿厢呼叫机房，首先轿厢麦克风接收到语音信号，通过COP TFT多媒体平台前置放大器放大，A/D转换，加载到CAN总线传输至机房，机房终端接收到语音信号通过D/A转换，放大后通过喇叭还原该语音信号。
在实施例1的基础上，参考图3，增加了电梯应急救援系统，具体的，本实施方式中靠近轿厢语音接收器的功率放大器上还连接有一信号开关3，所述信号开关3连接电梯应急救援系统。如图3所示：电梯应急救援系统包括电磁继电器、电梯电力开关、备用电源模块和紧急操作装置，所述电磁继电器一端与信号开关3相连，另一端与备用电源模块相连；所述电磁继电器分别与电梯电力开关和紧急操作装置连通。电梯正常工作时，本系统处于待机状态，当电梯失控下坠时，轿厢对讲总机(例如麦克风、对讲机等通讯设备)感应到乘客发出的呼救声或者乘客按下紧急按钮后发出的报警声，声电转换后，将信号传输至功率放大器进行功率放大，放大后的信号传输至信号开关3，并触发信号开关闭合通电，所述信号开关3与电磁继电器的线圈连接，信号开关3闭合后，电流通过电磁继电器的线圈，使电磁继电器的动触点和静触点闭合，接通备用电源模块，分别将电梯电 力开关断开、紧急操作装置启动，电梯电力开关断开后，电力电源失电，电梯的限速器和安全钳全部生效，轿厢被固定在电梯井道内。另外，紧急操作装置启动后，轿厢被刹停。
作为进一步优选的，参考图4，示意性的示出了紧急操作装置1的结构，包括紧急合抱轮2，所述紧急合抱轮2包括两个半轮,分别为第一半轮21和第二半轮22；两个半轮的任意一端进行点连接，另一端则不进行连接；两个半轮的弦长上均设置有卡齿23，紧急操作装置1启动后，参考如图5，紧急合抱轮2的两个半轮的弦长上设置的卡齿23渐渐靠拢，并与轿厢外侧的保险卡齿进行配合，双侧产生摩擦力，能够有效卡住保险卡齿，进而保证电梯停在电梯井道内。本实施方式的电梯应急对讲系统，包括电梯应急对讲系统和电梯应急救援系统，能够在应急报警或对讲的同时，开启电梯应急救援系统，能够实行应急救援，进一步保证乘客的人身安全。
实施例2
本实施方式的电梯应急对讲系统包括轿厢对讲总机(例如麦克风、对讲机等通讯设备或者麦克风或对讲机与前置放大器连接后的设备)、值班室对讲总机(例如麦克风、对讲机等通讯设备)、机房终端(例如机房分机、机房总机等)、轿顶终端、轿底终端，上述主要部件中，基于光纤通信的成本小、带宽大和可靠性优势大，实现一种改善传统对讲系统互联的应急对讲系统，总体安装方便、成本低廉；稳定可靠，视频对讲也无需扩展通信线路的考虑，参考图,6：电梯应急对讲系统的信号转换装置中为光信号转换装置时，此时，轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端内均同样设置光信号处理转换装置，且轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端均采用光缆传输，为了补偿光纤通讯的失真，如图1：将轿厢对讲总机集成在防信号失真系统内；防信号失真系统内包含有COP TFT多媒体平台；COP TFT多媒体平台设置有多个外设接口，且自身集成有光信号转换装置及通信协议，光纤通讯的通信协议选择FC协议；作为优选的，光缆传输包括双向数据传输通道。其实现方式是，将音频对讲信息和控制数据、附加数据通过复用编码后，经由光纤进行传输；所述的双向数据传输，则是采用具有媒体访问控制和数据差错控制的方法进行编码。
上述说明示出并描述了本发明的优选实施例，如前所述，应当理解本发明并非局限于本文所披露的形式，不应看作是对其他实施例的排除，而可用于各种其他组合、修改和环境，并能够在本文所述发明构想范围内，通过上述教导或相关领域的技术或知识进行改动。而本领域人员所进行的改动和变化不脱离本发明的精神和范围，则都应在本发明所附权利要求的保护范围内。

Claims (10)

  1. 一种电梯应急系统，其特征在于：包括电梯应急对讲系统和电梯应急救援系统，所述电梯应急对讲系统通过信号开关连接电梯应急救援系统，控制电梯应急救援系统的启动和闭合；所述电梯应急对讲系统包括轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端，所述轿厢对讲总机集成在防信号失真系统内；所述防信号失真系统内包含有COP TFT多媒体平台；所述COP TFT多媒体平台设置有多个外设接口，且自身集成有信号转换装置及通信协议。
  2. 根据权利要求1所述的电梯应急系统，其特征在于：所述信号转换装置为A/D转换装置或光信号转换装置。
  3. 根据权利要求1所述的电梯应急系统，其特征在于：所述轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端采用CAN总线传输。
  4. 根据权利要求2所述的电梯应急系统，其特征在于：所述电梯应急对讲系统的信号转换装置中为A/D转换装置时，此时，还包括D/A转换装置和功率放大器；所述功率放大器与A/D转换装置或D/A转换装置通讯连接。
  5. 根据权利要求2所述的电梯应急系统，其特征在于：所述电梯应急对讲系统的信号转换装置中为光信号转换装置时，此时，轿厢对讲总机、值班室对讲总机、机房终端、轿顶终端和轿底终端内均同样设置光信号处理转换装置。
  6. 根据权利要求5所述的电梯应急系统，其特征在于：所述轿厢对讲总机与值班室对讲总机之间、轿厢对讲总机与轿顶终端、轿厢对讲总机与机房终端以及轿厢对讲总机与轿底终端采用光缆传输。
  7. 根据权利要求6所述的电梯应急系统，其特征在于：所述光缆传输包括双向数据传输通道。
  8. 根据权利要求4所述的电梯应急系统，其特征在于：所述功率放大器与信号开关连接，所述信号开关连接电梯应急救援系统。
  9. 根据权利要求8所述的电梯应急系统，其特征在于：所述电梯应急救援系统包括电磁继电器、电梯电力开关、备用电源模块和紧急操作装置(1)，所述电磁继电器一端与信号开关(3)相连，另一端与备用电源模块相连；所述电磁继电器分别与电梯电力开关和紧急操作装置(1)连通。
  10. 根据权利要求9所述的电梯应急系统，其特征在于：所述紧急操作装置(1)包括紧急合抱轮(2)，所述紧急合抱轮(2)包括两个半轮，分别是第一半轮(21)和第二半轮(22)；所述两个半轮的任意一端进行点连接，另一端则不进行连接；所述两个半轮的弦长上均设置有卡齿(23)。
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