WO2011009357A1 - 基于多目标卡的无线远程电梯召唤的操控系统及控制方法 - Google Patents

基于多目标卡的无线远程电梯召唤的操控系统及控制方法 Download PDF

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Publication number
WO2011009357A1
WO2011009357A1 PCT/CN2010/074122 CN2010074122W WO2011009357A1 WO 2011009357 A1 WO2011009357 A1 WO 2011009357A1 CN 2010074122 W CN2010074122 W CN 2010074122W WO 2011009357 A1 WO2011009357 A1 WO 2011009357A1
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WO
WIPO (PCT)
Prior art keywords
base station
target card
signal
elevator
main control
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Application number
PCT/CN2010/074122
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English (en)
French (fr)
Inventor
石中强
陈良
郑钦慧
李海波
崔妍
马卫红
Original Assignee
杭州优迈科技有限公司
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Application filed by 杭州优迈科技有限公司 filed Critical 杭州优迈科技有限公司
Publication of WO2011009357A1 publication Critical patent/WO2011009357A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/468—Call registering systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4615—Wherein the destination is registered before boarding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4638—Wherein the call is registered without making physical contact with the elevator system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4676—Call registering systems for checking authorization of the passengers

Definitions

  • the invention belongs to the technical field of elevators, and in particular relates to a control system and a control method for wireless remote elevator calling based on multi-target cards. Background technique
  • the response mode of the elevator car call-out device is an active response, that is, the passenger needs to touch the corresponding button or actively swipe the card to realize the operation request for the elevator, and when the elevator control system receives the operation request from the customer, it will control The elevator performs the corresponding operation.
  • the invention provides a multi-target card-based wireless remote elevator call control system and a control method for solving the problem that a passenger waiting for an elevator in a conventional elevator call is waiting for an elevator.
  • the present invention provides a multi-target card-based wireless remote elevator call control system, comprising: an elevator main control board, a base station and two target cards, the elevator main control board communicates with the base station, and controls Elevator operation and display status;
  • the base station includes:
  • a base station signal transmission driving module configured to convert a digital signal to be transmitted into an analog signal capable of driving a base station signal transmitting antenna
  • a base station signal transmitting antenna configured to radiate an electromagnetic field to the surrounding space
  • a base station signal receiving antenna configured to receive an electromagnetic wave signal emitted by the target card, and convert the signal into an analog signal
  • a base station signal receiving and conditioning module configured to demodulate an analog signal received by a base station signal receiving antenna into a digital signal
  • Elevator communication module used to realize communication between the base station and the elevator main control board, send various elevator requests to the elevator main control board, and receive various operation commands sent by the elevator main control board;
  • the base station main control module is configured to process the digital signal converted by the base station signal receiving and conditioning module, control the base station signal transmitting and driving module to radiate an electromagnetic field to the surrounding space, control the elevator communication module to perform the operation on the elevator, and complete the function set by the program. ;
  • Power management module used to convert the external input voltage into the voltage required by each module of the base station; each of the target cards includes:
  • 3D receiving antenna consisting of coils that are oriented in three directions and perpendicular to each other, for receiving electromagnetic fields from various directions in space, and respectively converting them into analog electrical signals whose space vectors are perpendicular to each other;
  • the target card main control module converts the analog electric signal received by the 3D receiving antenna into a digital signal, and obtains the field strength of the position, which is sent to the base station together with the ID of the target card and the battery power information;
  • the target card signal transmission modulation module for converting a digital signal to be transmitted to a base station into an analog signal for driving a target card signal transmitting antenna;
  • Target card signal transmitting antenna used to radiate an electromagnetic field to the surrounding space by converting the analog signal obtained by the target card signal transmitting modulation module;
  • the base station main control module determines the correctness of each target card data according to the start flag, the check bit, and the end tag, and obtains the target card IDs and the field strengths of the positions.
  • the digital quantity and the battery power information; the base station main control module searches for the corresponding operation authority according to each target card ID, and implements the corresponding authority operation on the elevator.
  • the base station main control module includes at least one processor unit and one memory unit; a processor unit for controlling each module of the base station and implementing a logic program function; and a memory unit for storing the ID of each target card And the corresponding elevator operation authority.
  • the target card master module includes:
  • An A/D conversion unit for converting an analog signal into a digital signal
  • a timer unit for performing timing setting and auxiliary control
  • the memory is used to store sample values and data of each operation result.
  • the target card signal transmitting antenna adopts a single wire or a circuit board A section of the line.
  • the invention also provides a control method for a wireless remote elevator call control system based on a multi-target card, which is carried out as follows:
  • the base station main control module controls the base station signal transmission driving circuit to periodically radiate an electromagnetic field to the surrounding space through the base station signal transmitting antenna;
  • the signal transmitting antenna of the base station continuously transmits the signal in the first time period; then stops transmitting the signal in the second time period; if the base station fails to receive the signal transmitted by the target card in the second time period, the base station continues to transmit The signal of the first time period;
  • the base station signal transmitting antenna remains in the non-transmitting state until the base station signal receiving antenna continues to receive the signal for the third time period, and the base station starts again.
  • all the awake target cards start to transmit their own data packets through the respective signal transmitting antennas, and also receive the electromagnetic field signals and convert the data bits; if the data bits sent by the target card are If the received data bits are the same, the next digital bit is sent; if the data bit sent by the target card is different from the received data bit, the target card enters the suspended transmission state, but is still in the receiving state;
  • the main control module of the base station determines the correctness of the data sent by each target card according to the start flag, the check bit, and the end tag, and obtains the ID of each target card and the location thereof. Position of electromagnetic field strength, battery power;
  • the main control module of the base station searches for corresponding operation authority from the memory according to each target card ID, and determines the floor response authority;
  • the base station sends all target card identities and floor response rights to the elevator main control board, and the elevator main control board controls and displays the status of the elevator.
  • the 3D receiving antenna of the awakened target card is converted into electromagnetic field strength by the main control chip, and the electromagnetic field strength, the ID of the target card, and the battery power are packaged into data packets and sent to the data packet.
  • the data packet contains the start tag, all data content, the school full position, and the end tag.
  • the awakened target card is in a suspended transmission state when transmitting its own data packet to the base station, when the target card receives an end tag sent by another target card or does not receive another target card transmission within a certain period of time Any data, this period of time is recorded as the fourth time period, and if the fourth time period is less than the third time period, the target card restarts the sending process.
  • the control system of the wireless remote elevator call based on the multi-target card has the following advantages:
  • the present invention converts the active elevator call control mode that originally requires the passenger to participate, and changes it into a passive base station automatically recognizes and responds to the control mode, that is, the passenger does not need to Touching the button or swiping the card by hand, as long as the passenger operates the carried target card within a certain distance from the elevator, the elevator automatically responds to the summoning action; when the passenger enters the elevator car, the operation of the corresponding target floor can also be automatically performed. Opened a new collar i or wireless remote control elevator.
  • the technical difficulty of the passive wireless remote elevator call control system is that if there are multiple card holders carrying their respective target cards close to the elevator, multiple target cards will be called at different positions and the elevator will be called in this case. There is a conflict in the call of the elevator.
  • the control system of the wireless remote elevator call based on the multi-target card solves the technical problem.
  • the technical solution of the invention adds a protocol layer to the communication mode to solve the multi-target card conflict problem and realize the card selection function of the base station.
  • FIG. 1 is a block diagram of functional blocks of a base station according to the present invention.
  • FIG. 2 is a block diagram of functional modules of a target card of the present invention.
  • FIG. 3 is a block diagram of a base station main control module of the present invention.
  • FIG. 4 is a block diagram of a target card main control module of the present invention.
  • FIG. 5 is a flowchart of a method for controlling a base station according to the present invention.
  • FIG. 6 is a flow chart of a method of controlling a target card of the present invention. detailed description
  • the control system of the wireless remote elevator call based on the multi-target card of the invention comprises a base station, a target card and an elevator main control board.
  • the base station provided by the embodiment of the present invention is described in detail below with reference to FIG.
  • FIG. 1 the figure is a functional block diagram of a base station according to an embodiment of the present invention.
  • the base station is directly powered by the power principle module 101, and the carrier data signal is set at the frequency, and the data sent by the target card is parsed to determine the effective performance of the target card, and the corresponding elevator control operation is performed according to the setting.
  • the base station provided in this embodiment includes seven parts: a power management module 101, a base station signal transmission driving module 102, a base station signal transmitting antenna 103, a base station signal receiving antenna 107, a base station signal receiving and conditioning module 106, an elevator communication module 104, and a base station main control module. 105.
  • the base station main control module 105 is connected to the power management module 101, the elevator communication module 104, the base station signal transmission driving module 102, and the base station signal receiving and conditioning module 106.
  • the base station signal transmission driving module 102 is further connected to the base station signal transmitting antenna 103, and the base station signal is connected.
  • the receiving conditioning module 106 is in turn connected to the base station signal receiving antenna 107, and the elevator communication module 104 is connected to the elevator control system, that is, the elevator main control board.
  • the base station signal transmission driver module 102 converts the digital signal of the information to be transmitted into an analog signal that can drive the base station signal transmitting antenna 103.
  • This circuit can employ a conventional low power transmission circuit and thus will not be described in detail.
  • the base station signal transmission driver module 102 transmits an analog signal to the base station signal transmission antenna 103.
  • the base station signal transmitting antenna 103 radiates an analog signal to a space around the antenna to form an electromagnetic field.
  • the base station signal receiving antenna 107 receives the analog magnetic wave signal from the target card signal transmitting antenna and converts it into an analog electrical signal for transmission to the base station signal receiving conditioning module 106.
  • the base station signal receiving and conditioning module 106 demodulates the electrical signal received by the base station signal receiving antenna 107 to obtain a digital signal having meaning.
  • the base station signal receiving and conditioning module 106 in this embodiment may use a conventional low power receiving module, such as a UHF receiving module.
  • the elevator communication module 104 realizes communication between the base station and the elevator main control board, sends various elevator request signals to the elevator main control board, and receives various operation commands sent by the elevator main control board, and the elevator communication module 104 can be preferentially selected. Communication methods such as 485 or CAN.
  • the base station main control module 105 is configured to receive the digital signal converted by the base station signal receiving conditioning module 106. The processing is performed to control the base station signal transmission driving module 102 to radiate an electromagnetic field to the space through the base station signal transmitting antenna 103, and is also used to control the elevator communication module 104 to perform an operation on the elevator to complete the function of program setting.
  • the power management module 101 converts the voltage input from the external base station into the voltage required by the internal modules, and provides anti-interference capability for the system, which is provided by a conventional power management module in the field.
  • the base station main control module provided by the embodiment of the present invention is described in detail below with reference to FIG.
  • the base station main control module 105 provided in this embodiment includes at least one processor unit 105a and one memory unit 105b.
  • the processor unit 105a is configured to control each module in the base station and implement a logic program function, and the processor unit 105a may select a 51 series chip or an ARM chip, etc.; the memory unit 105a is configured to store the ID of the target card and the same Corresponding elevator operating authority, memory unit
  • the target card provided by the embodiment of the present invention can use memory chips such as EEPROM or FLASH.
  • the functional block diagram of the target card provided by the embodiment of the present invention is described in detail below with reference to FIG.
  • the target card provided in this embodiment is powered by the button battery, and is normally in a standby state. When receiving the activation signal sent by the base station, it wakes up from the standby state, receives the data sent by the base station, and obtains the signal strength of the base station. Battery power information, target card ID - and back to the base station.
  • the target card provided in this embodiment includes 7 parts: 3D receiving antenna 301, target card main control module
  • a battery 303 a target card signal transmission modulation module 304, a target card signal transmitting antenna 305, a target card signal receiving antenna 306, and a target card signal receiving conditioning module 307.
  • the target card main control module 302 is connected to the 3D receiving antenna 301, the battery 303, the target card signal transmitting and modulating module 304, the target card signal receiving and conditioning module 307, and the target card signal transmitting and modulating module 304 is connected to the target card signal transmitting antenna 305.
  • the target card signal receiving conditioning module 307 is coupled to the target card signal receiving antenna 306.
  • Battery 303 is used to provide power to the various modules of the target card.
  • the 3D receiving antenna 301 is composed of coils that are perpendicular to each other in three directions, and can receive electromagnetic fields from various directions of the space and convert them into analog electric signals whose space vectors are perpendicular to each other.
  • the target card signal receiving conditioning module 307 demodulates the received electrical signal to obtain a digital signal having meaning.
  • the target card signal receiving and conditioning module 307 provided in this embodiment may use a conventional low power receiving module, such as a UHF receiving module.
  • the target card master module 302 converts the analog electrical signal received by the 3D receive antenna 301 into a digital quantity and derives the true field strength at that location, along with the unique ID of the target card and battery power information, back to the base station.
  • the target card signal transmission modulation module 304 converts the digital signal to be returned to the base station into an analog signal that can drive the target card signal transmitting antenna 305, which can employ a conventional low power transmission circuit, such as a UHF transmission circuit.
  • the target card signal transmitting antenna 305 may be a single wire or a segment of the circuit board, and its function is to radiate the electromagnetic field to the surrounding space by the analog signal converted by the target card signal transmitting modulation module 304.
  • the target card main control module provided by the embodiment of the present invention is described in detail below with reference to FIG.
  • FIG. 4 the figure is a structural diagram of a target card main control module according to an embodiment of the present invention.
  • the target card master module provided in this embodiment includes: a processor, an A/D conversion unit, a timer, and a memory.
  • a processor 401 configured to coordinate and control work between each module in the target card
  • An A/D conversion unit 402 configured to convert an analog signal into a digital signal
  • the memory 404 is configured to store sample values and data of each operation result.
  • the elevator main control board is configured to perform basic command control and status display on the operation of the elevator after receiving the request signal sent by the base station.
  • the base station can obtain the ID of the target card entering the field strength range, the battery power information, the distance information (obtainable from the electric field strength), and other information; after obtaining the information, the base station can perform a series of The elevator operation, such as the call outside the hall, the corresponding authorized floor, and so on.
  • the invention also discloses a wireless remote elevator calling control method for a multi-target card, by which the base station exchanges data with the target card, and the base station obtains the ID, battery power information and distance information of the target card entering the field strength range (The information can be obtained from the electric field strength, and other information; after obtaining the information, the base station can perform a series of elevator operations, such as the call outside the hall, the response of the corresponding 4 authorized floors, etc.
  • the specific steps of the method are as follows:
  • Base station main control module 105 controls the base station signal transmission driving module 102.
  • the base station signal transmitting antenna 103 periodically radiates an electromagnetic field to a space around the antenna.
  • the base station signal transmitting antenna 103 continuously transmits the signal of the first time period T1, and then stops transmitting; if the signal stops transmitting during the second time period T2, the base station fails to receive the signal sent by the target card through the base station signal receiving antenna 107, The base station continues to transmit the signal of the T1 time period, and thus cycles; if the base station receives the signal sent by the target card through the base station signal receiving antenna 107 in the T2 time period, the base station signal transmitting antenna 103 remains in the non-transmitting state until the base station signal is received.
  • the antenna 107 continues to receive no signal for the third T3 period, at which time the base station starts transmitting the signal of the first time T1 again, and thus cycles.
  • the 3D receiving antenna 301 of the target card receives the electromagnetic field signal from the base station signal transmitting antenna 103, and converts the value into the electromagnetic field strength by the target card main control module 302, and packs it into a data together with the ID of the target card and the battery power information. package.
  • the packet contains the start tag, all data content, check digits, and end tag.
  • Each target card transmits each of the data bits while also receiving the electromagnetic field signal through the target card signal receiving antenna 306 and converting to the received data bit. If the transmitted data bit is the same as the received data bit, the next data bit is continuously transmitted; If the transmitted data bit is different from the received data bit, the target card enters the suspended transmission state (no other data bits are transmitted, but is still in the receiving state); if all data bits of the target card data packet (including the start) The tag, all data content, and the end tag are all sent normally (the transmitted data bits are the same as the received data bits), then the target card enters the suspended state (no data is sent anymore); when it is in the paused transmission state The target card receives another target card If the end tag of the transmission or any data sent by other target cards is not received within the fourth time period T4 (T4 ⁇ T3), the target card restarts the transmission process.
  • T4 fourth time period
  • the base station receives the end tag sent by the last target card and delays the third time period ⁇ 3, the base station starts to transmit through the base station signal transmitting antenna. The next round of RF signals (the base station continues to transmit the signal of the first time period T1, waiting for the data back of all target cards to return), and so on.
  • the base station master module determines the correctness of the data sent by each segment of the target card according to the start flag, the check bit, and the end tag, and obtains the ID and location of each target card from the base station.
  • the digital quantity of the position field strength and the battery power information; the base station main control module searches for the corresponding operation authority from the memory according to each target card ID, and implements the corresponding authority operation on the elevator.
  • the base station finally confirms all target card identities and locations, sends signals to the elevator control system, and the elevator control system controls and displays the elevators.
  • the target card When the target card leaves the electromagnetic field range emitted by the base station signal transmitting antenna 103, the target card automatically enters the sleep mode to save power.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Elevator Control (AREA)

Description

基于多目标卡的无线远程电梯召唤的操控系统及控制方法 本申请要求于 2009 年 7 月 20 日提交中国专利局、 申请号为 200910100781.0、 发明名称为"基于多目标卡的无线远程电梯召唤的操控系统 及控制方法"的中国专利申请的优先权，其全部内容通过引用结合在本申请中。 技术领域
本发明属于电梯技术领域，特别涉及一种基于多目标卡的无线远程电梯召 唤的操控系统及控制方法。 背景技术
目前， 电梯轿厢外召设备的响应方式为主动式响应， 即乘客需要用手触碰 相应的按键或主动刷卡实现对电梯的操作请求，当电梯控制系统接收到客户的 操作请求后， 会控制电梯执行相应操作。
上述是传统的电梯轿厢召唤方式， 其存在的问题是在绝大多数情况下， 都 是乘客在等待电梯的到来， 这样便浪费了乘客的宝贵时间。 发明内容
本发明提供了一种基于多目标卡的无线远程电梯召唤的操控系统及控制 方法， 以解决传统电梯召唤存在的乘客等待电梯的问题。
为解决此问题，本发明提供一种基于多目标卡的无线远程电梯召唤的操控 系统， 包括： 电梯主控板、 一个基站和两个目标卡， 所述电梯主控板与基站通 讯， 并控制电梯运行及显示状态；
所述基站包括：
基站信号发射驱动模块：用于将待发送的数字信号转换成可以驱动基站信 号发射天线的模拟信号；
基站信号发射天线： 用于将所述模拟信号向周围空间辐射电磁场； 基站信号接收天线： 用于接收目标卡发射的电磁波信号， 并转换成模拟信 号；
基站信号接收调理模块：用于将基站信号接收天线所收到的模拟信号解调 成数字信号； 电梯通讯模块： 用于实现基站与电梯主控板间的通讯，将各种电梯请求发 给电梯主控板， 并接收电梯主控板发来的各种操作命令；
基站主控模块：用于将基站信号接收调理模块转换所得的数字信号进行处 理，控制基站信号发射驱动模块向周围空间辐射电磁场，控制电梯通讯模块执 行对电梯的操作， 完成程序所设定的功能；
电源管理模块： 用于将外部输入的电压转换成基站各个模块所需的电压； 每个所述目标卡包括：
3D接收天线： 由朝三个方向且相互垂直的线圈构成， 用于接收来自空间 各个方向的电磁场， 并分别转换成空间矢量相互垂直的模拟电信号；
目标卡主控模块： 将 3D接收天线接收的模拟电信号转换为数字信号， 并 得出该位置的场强， 连同该目标卡的 ID以及电池电量信息一起发送给基站； 目标卡信号发射调制模块：用于将待发送给基站的数字信号转换成驱动目 标卡信号发射天线的模拟信号；
目标卡信号发射天线：用于将目标卡信号发射调制模块转换所得的模拟信 号向周围空间辐射电磁场；
电池： 用于为目标卡的各个模块提供电源；
当基站接收到各个目标卡的信号后，基站主控模块根据启始标记、校验位、 结束标记来判断各个目标卡数据的正确性， 并从中获得各目标卡 ID以及所处 位置场强的数字量、 电池电量信息； 基站主控模块根据各个目标卡 ID寻找相 对应的操作权限， 并对电梯实施相应权限的操作。
优选地， 所述基站主控模块包括至少一个处理器单元和一个存储器单元； 处理器单元， 用于对基站各个模块进行控制， 并实现逻辑程序功能； 存储器单元，用于存放各个目标卡的 ID以及与其相对应的电梯操作权限。 优选地， 所述目标卡主控模块包括：
处理器， 用于协调控制各模块之间的工作；
A/D转换单元， 用于将模拟信号转换为数字信号；
定时器单元， 用于进行时序设定和辅助控制；
存储器， 用于存储采样数值及各运算结果数据。
优选地， 所述目标卡信号发射天线采用单独的一根导线， 或者采用线路板 上的一段走线。
本发明还提供一种基于多目标卡的无线远程电梯召唤的操控系统的控制 方法， 按如下步骤进行：
a、 基站主控模块控制基站信号发射驱动电路通过基站信号发射天线向周 围空间周期性的辐射电磁场；
b、 基站的信号发射天线在第一时间段内连续发射信号； 然后在第二时间 段内停止发送信号； 若在第二时间段内基站未能接收到目标卡发射的信号， 则 基站继续发送第一时间段的信号；
若在第二时间段内基站接收到了被唤醒的目标卡发射的信号，则基站信号 发射天线保持不发送状态，直到基站信号接收天线持续第三时间段内没有接收 到信号， 此时基站再次开始发送信号；
d、 当基站保持不发送信号状态时， 所有被唤醒的目标卡都通过各自的信 号发射天线开始发送自己的数据包， 同时也在接收电磁场信号并转换数据位； 若目标卡发送的数据位与接收的数据位相同， 则继续发送下一个数字位； 若目标卡发送的数据位与接收的数据位不相同，则该目标卡进入暂停发送 状态， 但仍然处于接收状态；
若该目标卡数据包的数据位都发送完毕， 且发送的数据位与接收的数据 位都相同， 则进入挂起状态， 不再发送任何数据；
e、 当基站接收到所有数据位后， 基站的主控模块根据启始标记、 校验位、 结束标记来判断各目标卡发来数据的正确性， 并从中获得各目标卡的 ID以及 所处位置的电磁场强度、 电池电量；
基站的主控模块根据各目标卡 ID从存储器中寻找相对应的操作权限， 并 确定楼层响应权限；
f、 基站将所有目标卡身份和楼层响应权限发送信号给电梯主控板， 电梯 主控板对电梯进行控制和状态显示。
优选地， 所述被唤醒的目标卡的 3D接收天线在接收到基站的电磁场信号 后， 通过主控制芯片转换为电磁场强度， 并将电磁场强度、 目标卡的 ID、 电 池电量打包成数据包发送给基站； 该数据包包含起始标记、 所有的数据内容、 校马全位以及结束标记。 优选地，所述被唤醒的目标卡在发送自己的数据包给基站时若处于暂停发 送状态，当该目标卡接收到其他目标卡发送的结束标记或者在一段时间内没有 接收到其他目标卡发送的任何数据， 此段时间记为第四时间段， 如果第四时间 段小于第三时间段， 则该目标卡重新启动发送过程。
优选地， 所述目标卡若不处于所述的电磁场范围内， 则保持休眠模式。 本发明基于多目标卡的无线远程电梯召唤的操控系统具有以下优点： 本发明将原本需要乘客参与的主动式电梯召唤操控方式，将其改成被动式 基站自动识别并响应的操控方式， 即乘客无需用手去触碰按键或刷卡， 只要在 离电梯一定距离的范围内，乘客操作携带的目标卡，电梯便自动响应召唤动作； 当乘客进入电梯轿厢后，还可自动相应目标楼层的操作， 开辟了无线远程遥控 电梯的新领 i或。
被动式无线远程电梯召唤的操控系统的技术方案存在一个技术难点是，如 果有多个持卡人分别携带各自的目标卡靠近电梯，即出现多个目标卡在不同位 置同时召唤电梯， 在此情况下电梯召唤会出现冲突现象。 本发明基于多目标卡 的无线远程电梯召唤的操控系统便解决了此技术难题，本发明的技术方案在通 信方式上增加了协议层， 来解决多目标卡冲突问题， 实现基站的选卡功能。 附图说明
图 1为本发明基站的功能模块框图；
图 2为本发明目标卡的功能模块框图；
图 3是本发明基站主控模块的框图；
图 4是本发明目标卡主控模块的框图；
图 5是本发明基站控制方法流程图；
图 6是本发明目标卡控制方法流程图。 具体实施方式
为使本发明的上述目的、特征和优点能够更加明显易懂， 下面结合附图对 本发明的具体实施方式做详细的说明。 本发明基于多目标卡的无线远程电梯召唤的操控系统包括基站、目标卡及 电梯主控板。
下面结合图 1详细介绍本发明实施例提供的基站。
参见图 1 , 该图为本发明实施例提供的基站的功能模块框图。
基站由电源原理模块 101直接供电，在设定频率上载波数据信号， 并对目 标卡发出的数据进行解析， 判断目标卡的有效性能，根据设定执行相应电梯控 制操作。
本实施例提供的基站包括 7部分： 电源管理模块 101、 基站信号发射驱动 模块 102、 基站信号发射天线 103、 基站信号接收天线 107、 基站信号接收调 理模块 106、 电梯通讯模块 104和基站主控模块 105。
其中， 基站主控模块 105与电源管理模块 101、 电梯通讯模块 104、 基站 信号发射驱动模块 102、 基站信号接收调理模块 106相连， 基站信号发射驱动 模块 102又与基站信号发射天线 103相连，基站信号接收调理模块 106又与基 站信号接收天线 107相连，电梯通讯模块 104又与电梯控制系统即电梯主控板 相连。
基站信号发射驱动模块 102将待发送信息的数字信号转换成可以驱动基 站信号发射天线 103的模拟信号， 此电路可采用常规小功率发射电路， 因此未 对其作详细说明。基站信号发射驱动模块 102向基站信号发射天线 103传输模 拟信号。
基站信号发射天线 103将模拟信号向天线周围的空间辐射， 形成电磁场。 基站信号接收天线 107接收目标卡信号发射天线发出的模拟磁波信号，并 将其转换成模拟电信号传输至基站信号接收调理模块 106。
基站信号接收调理模块 106将基站信号接收天线 107所收的电信号进行解 调， 获得具有含义的数字信号。本实施例中的基站信号接收调理模块 106可以 采用常规小功率接收模块， 如 UHF接收模块。
电梯通讯模块 104实现基站与电梯主控板间的通讯，将各种电梯请求信号 发送给电梯主控板， 并接收电梯主控板发来的各种操作命令， 该电梯通讯模块 104可以优先选用 485或 CAN等通讯方式。
基站主控模块 105 , 用于将基站信号接收调理模块 106转换后的数字信号 进行处理，控制基站信号发射驱动模块 102通过基站信号发射天线 103向空间 辐射电磁场，还用于控制电梯通讯模块 104执行对电梯的操作， 完成程序设定 的功能。
电源管理模块 101 将基站外部输入的电压转换成内部各模块所需要的电 压， 以及为系统提供抗干扰能力， 其采用本领域常规的电源管理模块， 提供
3V或 5V直流电源。
下面结合图 2详细介绍本发明实施例提供的基站主控模块。
参见图 2, 该图为本发明实施例提供的基站主控模块的功能模块框图。 本实施例提供的基站主控模块 105至少包括 1个处理器单元 105a和 1个 存储器单元 105b。
其中， 处理器单元 105a用于对基站中的各个模块进行控制， 并实现逻辑 程序功能， 处理器单元 105a可以选用 51系列芯片或 ARM芯片等； 存储器单 元 105a用于存放目标卡的 ID以及与其相对应的电梯操作权限， 存储器单元
105a可以选用 EEPROM或 FLASH等存储芯片。 下面结合图 3详细介绍本发明实施例提供的目标卡的功能模块框图。 本实施例提供的目标卡由鈕扣电池供电，正常情况下处于待机状态， 当接 收到基站发来的激活信号后从待机状态唤醒，接收基站发出的数据， 并可获得 基站信号场强大小， 与电池电量信息、 目标卡 ID—并回传给基站。
本实施例提供的目标卡包括 7部分： 3D接收天线 301、 目标卡主控模块
302、 电池 303、 目标卡信号发射调制模块 304、 目标卡信号发射天线 305、 目 标卡信号接收天线 306和目标卡信号接收调理模块 307。
其中， 目标卡主控模块 302与 3D接收天线 301、 电池 303、 目标卡信号 发射调制模块 304、 目标卡信号接收调理模块 307相连， 目标卡信号发射调制 模块 304与目标卡信号发射天线 305相连，目标卡信号接收调理模块 307与目 标卡信号接收天线 306相连。
电池 303用于为目标卡的各个模块提供电源。
3D接收天线 301由朝三个方向且相互垂直的线圈构成， 可接收来自空间 各个方向的电磁场， 并分别转换成空间矢量相互垂直的模拟电信号。 目标卡信号接收调理模块 307将接收的电信号进行解调，获得具有含义的 数字信号。本实施例提供的目标卡信号接收调理模块 307可以采用常规的小功 率接收模块， 如 UHF接收模块。
目标卡主控模块 302将 3D接收天线 301接收的模拟电信号转换为数字量 并得出该位置处的真实场强， 连同该目标卡的唯一 ID以及电池电量信息一起 返回给基站。
目标卡信号发射调制模块 304 将待返回给基站的数字信号转换成可以驱 动目标卡信号发射天线 305 的模拟信号， 其可采用常规小功率发射电路， 如 UHF发射电路。
目标卡信号发射天线 305可以采用单独的一根导线，也可以是线路板上的 一段走线，其作用是将目标卡信号发射调制模块 304转换后的模拟信号向周围 的空间辐射电磁场。
下面结合图 4详细介绍本发明实施例提供的目标卡主控模块。
参见图 4, 该图为本发明实施例提供的目标卡主控模块结构图。
本实施例提供的目标卡主控模块包括： 处理器、 A/D转换单元、 定时器和 存储器。
处理器 401 , 用于协调控制目标卡中各个模块之间的工作；
A/D转换单元 402, 用于将模拟信号转换为数字信号；
定时器单元 403 , 用于进行时序设定和辅助控制；
存储器 404, 用于存储采样数值及各运算结果数据。
上述目标卡主控模块中的各个模块单元均采用本领域的常用模块， 因此， 在此不再作详细说明。 电梯主控板用于在接收到基站发来的请求信号后，对电梯的运行进行基本 命令控制和状态显示。
通过基站与目标卡进行数据交换， 基站可获得进入场强范围的目标卡的 ID、 电池电量信息、 距离信息（可从电场强度获得）以及其他信息； 基站在获 得这些信息后， 可进行一系列的电梯操作， 比如厅外召唤、 相应授权楼层的相 应等等。 本发明还公开了一种多目标卡的无线远程电梯召唤的控制方法，通过该方 法， 基站与目标卡进行数据交换， 基站获得进入场强范围的目标卡的 ID、 电 池电量信息、 距离信息 （可从电场强度得获得）， 以及其他信息； 基站在获得 这些信息后， 可进行一系列的电梯操作， 比如厅外召唤、 相应 4受权楼层的响应 等， 该方法的具体步骤如下：
a、 基站主控模块 105控制基站信号发射驱动模块 102通过基站信号发射 天线 103向天线周围的空间周期性的辐射电磁场。
b、基站信号发射天线 103连续发射第一时间段 T1的信号，然后停止发送； 如果信号停止发射第二时间段 T2内基站未能通过基站信号接收天线 107 接收到目标卡发来的信号时， 基站则继续发送 T1时间段的信号， 如此循环； 如果在 T2时间段内基站通过基站信号接收天线 107接收到了目标卡发来 的信号， 则基站信号发射天线 103 保持不发送状态， 直到基站信号接收天线 107持续第三 T3时间段没有接收到信号， 此时基站再次开始发送第一时间 T1 的信号， 如此循环。
c、 目标卡的 3D接收天线 301接收到来自基站信号发射天线 103的电磁 场信号，通过目标卡主控模块 302转换为电磁场强度的数值， 连同该目标卡的 ID、 电池电量信息一起打包成一个数据包。
该数据包包含启始标记、 所有的数据内容、 校验位和结束标记。
d、 当基站信号发射天线 103停止发送（目标卡不再接收到基站发来的信 号）的那一刻开始， 所有目标卡都通过各自的目标卡信号发射天线 305开始发 送自己的数据包；
每个目标卡发送每个数据位的同时也在通过目标卡信号接收天线 306接 收电磁场信号并转换为接收数据位， 如果发送的数据位与接收的数据位相同， 则继续发送下一个数据位；如果发送的数据位与接收的数据位不相同将该目标 卡进入暂停发送状态 （不再发送其它的数据位， 但仍然处于接收状态）； 如果 该目标卡数据包的所有数据位（包括启始标记、 所有的数据内容、 还有结束标 记）都正常发送（发送的数据位与接收的数据位相同）， 则该目标卡进入挂起 状态 （不再发送任何数据）； 当处于暂停发送状态的目标卡接收到其他目标卡 发送的结束标记或者第四时间段 T4 ( T4<T3 ) 时间内没有接收到其他目标卡 发送的任何数据， 则该目标卡重新启动发送过程。
如此一来， 所有的目标卡都能够把自己的数据包正确地发送出去， 当基站 接收完最后一个目标卡发过来的结束标记并延迟第三时间段 Τ3后， 基站开始 通过基站信号发射天线发送下一轮的射频信号 （基站继续发送第一时间段 T1 的信号后， 等待所有目标卡的数据回传）， 如此循环。
e、 当基站接收到所有数据位后， 基站主控模块根据启始标记、 校验位、 结束标记来判断各段目标卡发来的数据的正确性， 并从中获得各目标卡的 ID 以及所处位置场强的数字量、 电池电量信息； 基站主控模块根据各目标卡 ID 从存储器中寻找相对应的操作权限， 并对电梯实施相应权限的操作。
f、 基站最终确认所有目标卡身份和位置， 发送信号给电梯控制系统， 电 梯控制系统对电梯进行控制和状态显示。
当目标卡离开了基站信号发射天线 103发出的电磁场范围，该目标卡自动 进入休眠模式， 以节省电量。
以上所述，仅是本发明的较佳实施例而已， 并非对本发明作任何形式上的 限制。 虽然本发明已以较佳实施例揭露如上， 然而并非用以限定本发明。 任何 熟悉本领域的技术人员， 在不脱离本发明技术方案范围情况下， 都可利用上述 揭示的方法和技术内容对本发明技术方案做出许多可能的变动和修饰，或修改 为等同变化的等效实施例。 因此， 凡是未脱离本发明技术方案的内容， 依据本 发明的技术实质对以上实施例所做的任何筒单修改、等同变化及修饰， 均仍属 于本发明技术方案保护的范围内。

Claims

权 利 要 求
1、 基于多目标卡的无线远程电梯召唤的操控系统， 其特征在于， 包括： 电梯主控板、 一个基站和两个目标卡， 所述电梯主控板与基站通讯， 并控制电 梯运行及显示 ^大态；
所述基站包括：
基站信号发射驱动模块：用于将待发送的数字信号转换成可以驱动基站信 号发射天线的模拟信号；
基站信号发射天线： 用于将所述模拟信号向周围空间辐射电磁场； 基站信号接收天线： 用于接收目标卡发射的电磁波信号， 并转换成模拟信 号；
基站信号接收调理模块：用于将基站信号接收天线所收到的模拟信号解调 成数字信号；
电梯通讯模块： 用于实现基站与电梯主控板间的通讯，将各种电梯请求发 给电梯主控板， 并接收电梯主控板发来的各种操作命令；
基站主控模块：用于将基站信号接收调理模块转换所得的数字信号进行处 理，控制基站信号发射驱动模块向周围空间辐射电磁场，控制电梯通讯模块执 行对电梯的操作， 完成程序所设定的功能；
电源管理模块： 用于将外部输入的电压转换成基站各个模块所需的电压； 每个所述目标卡包括：
3D接收天线： 由朝三个方向且相互垂直的线圈构成， 用于接收来自空间 各个方向的电磁场， 并分别转换成空间矢量相互垂直的模拟电信号；
目标卡主控模块： 将 3D接收天线接收的模拟电信号转换为数字信号， 并 得出该位置的场强， 连同该目标卡的 ID以及电池电量信息一起发送给基站； 目标卡信号发射调制模块：用于将待发送给基站的数字信号转换成驱动目 标卡信号发射天线的模拟信号；
目标卡信号发射天线：用于将目标卡信号发射调制模块转换所得的模拟信 号向周围空间辐射电磁场；
电池： 用于为目标卡的各个模块提供电源；
当基站接收到各个目标卡的信号后，基站主控模块根据启始标记、校验位、 结束标记来判断各个目标卡数据的正确性， 并从中获得各目标卡 ID以及所处 位置场强的数字量、 电池电量信息； 基站主控模块根据各个目标卡 ID寻找相 对应的操作权限， 并对电梯实施相应权限的操作。
2、 如权利要求 1所述的基于多目标卡的无线远程电梯召唤的操控系统， 其特征在于： 所述基站主控模块包括至少一个处理器单元和一个存储器单元； 处理器单元， 用于对基站各个模块进行控制， 并实现逻辑程序功能； 存储器单元，用于存放各个目标卡的 ID以及与其相对应的电梯操作权限。
3、 如权利要求 1所述的基于多目标卡的无线远程电梯召唤的操控系统， 其特征在于： 所述目标卡主控模块包括：
处理器， 用于协调控制各模块之间的工作；
A/D转换单元， 用于将模拟信号转换为数字信号；
定时器单元， 用于进行时序设定和辅助控制；
存储器， 用于存储采样数值及各运算结果数据。
4、 如权利要求 1所述的基于多目标卡的无线远程电梯召唤的操控系统， 其特征在于： 所述目标卡信号发射天线采用单独的一根导线，或者采用线路板 上的一段走线。
5、 一种如权利要求 1基于多目标卡的无线远程电梯召唤的操控系统的控 制方法， 其特征在于， 按如下步骤进行：
a、 基站主控模块控制基站信号发射驱动电路通过基站信号发射天线向周 围空间周期性的辐射电磁场；
b、 基站的信号发射天线在第一时间段内连续发射信号； 然后在第二时间 段内停止发送信号； 若在第二时间段内基站未能接收到目标卡发射的信号， 则 基站继续发送第一时间段的信号；
若在第二时间段内基站接收到了被唤醒的目标卡发射的信号，则基站信号 发射天线保持不发送状态，直到基站信号接收天线持续第三时间段内没有接收 到信号， 此时基站再次开始发送信号；
d、 当基站保持不发送信号状态时， 所有被唤醒的目标卡都通过各自的信 号发射天线开始发送自己的数据包， 同时也在接收电磁场信号并转换数据位； 若目标卡发送的数据位与接收的数据位相同， 则继续发送下一个数字位； 若目标卡发送的数据位与接收的数据位不相同，则该目标卡进入暂停发送 状态， 但仍然处于接收状态；
若该目标卡数据包的数据位都发送完毕， 且发送的数据位与接收的数据 位都相同， 则进入挂起状态， 不再发送任何数据；
e、 当基站接收到所有数据位后， 基站的主控模块根据启始标记、 校验位、 结束标记来判断各目标卡发来数据的正确性， 并从中获得各目标卡的 ID以及 所处位置的电磁场强度、 电池电量；
基站的主控模块根据各目标卡 ID从存储器中寻找相对应的操作权限， 并 确定楼层响应权限；
f、 基站将所有目标卡身份和楼层响应权限发送信号给电梯主控板， 电梯 主控板对电梯进行控制和状态显示。
6、 如权利要求 5所述的控制方法， 其特征在于， 所述被唤醒的目标卡的 3D接收天线在接收到基站的电磁场信号后， 通过主控制芯片转换为电磁场强 度， 并将电磁场强度、 目标卡的 ID、 电池电量打包成数据包发送给基站； 该 数据包包含起始标记、 所有的数据内容、 校验位以及结束标记。
7、 如权利要求 5所述的控制方法， 其特征在于， 所述被唤醒的目标卡在 发送自己的数据包给基站时若处于暂停发送状态，当该目标卡接收到其他目标 卡发送的结束标记或者在一段时间内没有接收到其他目标卡发送的任何数据， 此段时间记为第四时间段，如果第四时间段小于第三时间段， 则该目标卡重新 启动发送过程。
8、 如权利要求 5所述的控制方法， 其特征在于， 所述目标卡若不处于所 述的电磁场范围内， 则保持休眠模式。
PCT/CN2010/074122 2009-07-20 2010-06-21 基于多目标卡的无线远程电梯召唤的操控系统及控制方法 WO2011009357A1 (zh)

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