WO2011009358A1 - 被动式无线远程电梯召唤的操控系统及控制方法 - Google Patents

被动式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
WO2011009358A1
WO2011009358A1 PCT/CN2010/074124 CN2010074124W WO2011009358A1 WO 2011009358 A1 WO2011009358 A1 WO 2011009358A1 CN 2010074124 W CN2010074124 W CN 2010074124W WO 2011009358 A1 WO2011009358 A1 WO 2011009358A1
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WO
WIPO (PCT)
Prior art keywords
base station
target card
elevator
signal
module
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PCT/CN2010/074124
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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 WO2011009358A1 publication Critical patent/WO2011009358A1/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 passive wireless remote elevator calling. 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 control system and a control method for a passive wireless remote elevator call to solve the problem that a passenger waiting for a conventional elevator call is waiting for an elevator.
  • Passive wireless remote elevator call Control system including: base station, target card and elevator main control board;
  • the base station is configured to radiate an electromagnetic field to the space
  • the target card When the target card enters the electromagnetic field range radiated by the base station, the target card is awakened, and the target card is used to return the strength value of the electromagnetic field, the battery power value, and the ID of the target card to the base station;
  • the base station analyzes the intensity value of the electromagnetic field sent by the target card, the battery power value and the ID of the target card, determines the validity of the target card, performs the corresponding elevator control operation according to the setting, and sends an elevator control operation request to the elevator main control board;
  • the elevator main control board is used for command control and status display of the elevator operation according to the elevator control operation request.
  • the base station includes: a base station signal transmission driving module, a base station signal transmitting antenna, and a base station Station signal receiving antenna, base station signal receiving and conditioning module, elevator communication module, base station main control module and power management module;
  • a base station signal transmission driving module configured to convert a digital signal to be transmitted into an analog signal for driving a base station signal transmitting antenna
  • Base station signal transmitting antenna used for radiating an electromagnetic field to the surrounding space by an analog signal converted by the base station signal transmitting driving module;
  • Base station signal receiving antenna for receiving an electromagnetic wave signal sent from a target card, and converting the received electromagnetic wave 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 to obtain a digital signal
  • Elevator communication module used to realize communication between the base station and the elevator main control board, send various elevator control operation 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. ;
  • the base station main control module includes at least one processor unit and one memory unit; a processor unit configured to control each module in the base station to implement a logic program function; and a memory unit configured to store an ID of the target card and Elevator operation authority corresponding to the ID.
  • the target card comprises: a 3D receiving antenna, a target card main control module, a target card signal transmitting modulation module, a target card signal transmitting antenna and a battery;
  • a 3D receiving antenna comprising coils oriented in three directions and perpendicular to each other for receiving electromagnetic fields from various directions of the space and respectively converting them into analog electrical signals whose space vectors are perpendicular to each other;
  • a target card main control module configured to convert an analog electrical signal received by the 3D receiving antenna into a digital signal, and obtain a field strength at the position, and send the signal strength to the base station together with the ID of the target card and the battery power information
  • a modulation module configured to convert a digital signal to be sent to the base station into an analog signal that drives the target card signal transmitting antenna
  • a target card signal transmitting antenna configured to radiate an analog signal converted by the signal transmitting modulation module to a surrounding space to form an electromagnetic field
  • Battery Used to power each module in the target card.
  • the target card master module includes:
  • a processor for coordinating control of work between modules in the target card
  • An A/D conversion unit for converting a digital signal into an analog 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 section of the wire on the circuit board.
  • the invention also provides a control method for a passive wireless remote elevator call control system, which is carried out as follows:
  • the base station continuously radiates electrical signals to the surrounding space to form an electromagnetic field
  • the target card When the base station detects that the target card is within the above electromagnetic field, the target card is awakened; c.
  • the target card encapsulates the electromagnetic field strength, the battery power information, and the target card ID into a data packet, and converts to a simulation by the target card signal transmission modulation module. Signaling and transmitting to the base station by means of the target card signal transmitting antenna;
  • the base station obtains the ID of the target card according to the received data and determines the floor response authority; e.
  • the base station sends the elevator request signal to the elevator main control board, and controls the corresponding floor of the elevator, and simultaneously displays the elevator operation.
  • the method for detecting, by the base station, the target card is:
  • the base station obtains an electromagnetic field strength of the target card at at least two moving points;
  • the base station obtains the distance of the target card from the base station signal receiving antenna according to the electromagnetic field strength. If the distance is within the effective range, the base station wakes up the target card.
  • the strength of the electromagnetic field of the target card is specifically:
  • the target card 3D receiving antenna converts the electromagnetic field intensity at the position into three vector direction analog signals and sends the signal to the target card main control module;
  • the target card main control module converts the three vector direction analog signals into digital signals to obtain the electromagnetic field strength at the position.
  • the control system of the passive wireless remote elevator call of the present invention has the following advantages:
  • the invention adopts an active elevator call control mode which originally requires passengers to participate, and changes it into a passive base station automatic recognition and response control mode, that is, the passenger does not need to touch the button or swipe the card by hand, as long as it is within a certain distance from the elevator.
  • the elevator automatically responds to the summoning action; when the customer enters the elevator car, the operation of the corresponding target floor can also be automatically opened, opening up a new collar i of the wireless remote control elevator.
  • the invention provides a convenient and intelligent elevator call control system for the passengers, so that the passenger carrying the target card can automatically summon the elevator at a distance, thereby saving the waiting time of the elevator and realizing the goal of the elevator and the like.
  • 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 a base station main control module of the present invention
  • FIG. 3 is a block diagram of functional modules of a target card of the present invention.
  • FIG. 4 is a block diagram of a target card master module of the present invention. detailed description
  • the passive wireless remote elevator call control system of the present invention comprises a base station, a target card and an elevator main control board.
  • Fig. 1 is a block diagram showing the functional blocks of a base station provided by the present invention.
  • the base station is directly powered by the power supply, 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 modules, namely: a power management module 101, a base station signal transmission driving module 102, a base station signal transmitting antenna 103, an elevator communication module 104, a base station main control module 105, a base station signal receiving conditioning module 106, and a base station.
  • Signal receiving antenna 107 namely: a power management module 101, a base station signal transmission driving module 102, a base station signal transmitting antenna 103, an elevator communication module 104, a base station main control module 105, a base station signal receiving conditioning module 106, and a base station.
  • Signal receiving antenna 107 namely: a power management module 101, a base station signal transmission driving module 102, a base station signal transmitting antenna 103, an elevator communication module 104, a base station main control module 105, a base station signal receiving conditioning module 106, and a base station.
  • Signal receiving antenna 107 namely: a power management module 101, a base station signal transmission driving module 102, a base
  • the base station signal transmission driver module 102 is coupled to the base station signal transmission antenna 103.
  • the base station signal reception conditioning module 106 is coupled to the base station signal receiving antenna 107.
  • the elevator communication module 104 is connected to the elevator control system, that is, the elevator main control board.
  • the base station signal transmission driving 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.
  • the base station signal transmitting and driving module 102 can employ a conventional small power transmitting circuit, and thus is not 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 sent by the target card signal transmitting antenna, and converts the received analog magnetic wave signal into an analog electrical signal for transmission to the base station signal receiving and conditioning module.
  • the base station signal receiving conditioning module 106 demodulates the analog electrical signal to obtain a digital signal having meaning.
  • the base station signal conditioning module 106 in this embodiment may employ 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 in this embodiment 104 can choose 485 or CAN communication method.
  • the base station main control module 105 is configured to process the digital signal converted by the base station signal receiving and processing module 106, and the control signal transmitting and driving module 102 radiates an electromagnetic field to the space through the base station signal transmitting antenna 103, and simultaneously controls the elevator communication module 104 to perform an operation on the elevator. , complete the function of program setting.
  • the power management module 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. It uses a conventional power management module in the field to provide 3V or 5V DC power.
  • the base station main control module in the base station will be described in detail below with reference to FIG.
  • FIG. 2 the figure is a block diagram of a base station main control module in a base station provided by the present invention.
  • the base station master module 105 includes at least one processor unit 105b and one memory unit 105a.
  • the processor unit 105b is configured to control each module and implement a logic program function. In this embodiment, the processor unit 105b may preferentially select a 51 series chip or an ARM chip.
  • the memory unit 105a is configured to store the ID number of the target card and the elevator operation authority corresponding thereto, and the memory unit 105a may preferentially select an EEPROM or a FLASH chip. The structure of the target card provided by the embodiment of the present invention is described in detail below with reference to FIG.
  • FIG. 3 the figure is a functional block diagram of a target card provided by the present invention.
  • the target card is powered by the button battery. It is normally in the standby state. When receiving the activation signal from 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 and target card ID - and back to the base station.
  • the target card includes five parts, namely: a 3D receiving antenna 301, a battery 302, a target card master module 303, a target card signal transmitting modulation module 304, and a target card signal transmitting antenna 305.
  • the target card main control module 303 is connected to the 3D receiving antenna 301, the battery 302, and the target card signal transmitting modulation module 304.
  • the target card signal transmitting and modulating module 304 is connected to the target card signal transmitting antenna 305.
  • Battery 302 provides 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 in the space and convert them into analog electric signals whose space vectors are perpendicular to each other.
  • the target card master module 303 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 the battery power information of the battery 302, back to the base station.
  • the target card master module will be described in detail below with reference to FIG.
  • this figure is a block diagram of the target card master module.
  • Processor used to coordinate the work between the various modules in the target card
  • A/D conversion unit for converting a digital signal into an analog signal
  • Timer unit Perform timing setting and auxiliary control
  • Memory Used to store sample values and data for each operation result.
  • 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 UHF transmitting circuit.
  • the target card signal transmitting antenna 305 may be a single wire or a segment of the circuit board.
  • the function of the target card signal transmitting modulation module 304 is to radiate an analog signal to the surrounding space to form an electromagnetic field.
  • the single base station target card detection mode provided by the embodiment of the present invention is described below.
  • the intensity of the field strength received by the target card is obtained, and the distance between the target card and the base station antenna is obtained, which is recorded as: the first distance.
  • Second distance a distance, which is recorded as: Second distance. Because the motion of the target card is continuous, according to the continuous motion, the obtained distance value can form a curve; when the target card approaches the antenna, the detected field strength is gradually increased, and the distance of the target card from the base station antenna is The value is gradually decreasing; when the target card reaches the farthest from the antenna, the field strength is the largest, and the target card is closest to the base station antenna.
  • Band 1 and Band 2 should avoid using the same frequency band as much as possible to avoid mutual interference.
  • Band 1 selects the LF band (for example: 125KHz)
  • Band 2 selects the UHF band (for example, 315.5MHz).
  • control system further includes an elevator main control board for performing 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 (which can be obtained by the electric field strength), and other information; after obtaining the information of the target cards, the base station can Perform a series of elevator operations, such as calling outside the hall, responding to the corresponding authorized floor, and so on.
  • the base station main control module 105 controls the base station signal transmission driving module 102 to transmit through the base station signal.
  • the antenna 103 continuously radiates an electromagnetic field to a space around the antenna.
  • the target card main control module 303 is in the sleep mode to save power.
  • the target card master module 303 When the target card enters the range of the electromagnetic field radiated from the base station signal transmitting antenna 103, the target card master module 303 is woken up.
  • the 3D receiving antenna 301 of the target card converts the field strength of the electromagnetic field at the position into three vector-direction analog electric signals;
  • the target card main control module 303 converts the analog electric quantity signal converted by the 3D receiving antenna 301 into a digital quantity and obtains the actual electromagnetic field strength of the position through an algorithm; at the same time, the target card main control module 303 also collects the electric quantity value of the battery; The target card main control module 303 encapsulates the electromagnetic field strength value, the battery power value, and the ID number of the target card itself into one data packet.
  • the target card master module 303 converts the data packet through the target card signal transmission modulation module 304 into an analog signal for transmission to the base station through the target card signal transmitting antenna 305.
  • the base station signal receiving antenna 107 receives the radio frequency signal sent from the target card, converts it into an analog signal, and then converts it into a digital level signal by the base station signal receiving and conditioning module 106.
  • the base station main control module 105 analyzes the converted digital level signal of the base station signal receiving and conditioning module 106 into a correct data packet, thereby obtaining information such as the distance of the target card, the battery power information, and the ID number of the target card.
  • the base station main control module 105 can obtain the floor response authority of the target card according to the ID number of the target card.
  • the base station master module 105 sends an elevator request signal to the elevator control system via the elevator communication module 104.
  • the base station main control module 105 searches for the corresponding operation authority from the memory according to the ID number of the target card, and implements the corresponding authority operation on the elevator.
  • 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 a sleep mode to save power.
  • the above description is only a preferred embodiment of the invention and is not intended to limit the invention in any way.
  • the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the invention. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention by using the methods and technical contents disclosed above, or modify the equivalents of equivalent changes without departing from the scope of the technical solutions of the present invention. Example. Therefore, any content that does not deviate from the technical solution of the present invention is Modifications, equivalent changes, and modifications are still within the scope of protection of the technical solutions of the present invention.

Description

被动式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 200910100782.5、 发明名称为"被动式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，尤其涉及一种被动式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
本发明提供了一种被动式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， 本发明所采用的 技术方案如下： 被动式无线远程电梯召唤的操控系统， 包括： 基站、 目标卡和 电梯主控板；
基站用于向空间辐射电磁场；
当目标卡进入到基站辐射出来的电磁场范围内时， 目标卡被唤醒， 目标卡 用于将电磁场的强度数值、 电池电量数值以及目标卡的 ID返回给基站；
基站对目标卡发送的电磁场的强度数值、 电池电量数值以及目标卡的 ID 进行解析， 判断目标卡的有效性， 根据设定执行相应的电梯控制操作， 发送电 梯控制操作请求给电梯主控板；
电梯主控板用于根据电梯控制操作请求对电梯运行进行命令控制和状态 显示。
优选地， 所述基站包括： 基站信号发射驱动模块、 基站信号发射天线、 基 站信号接收天线、基站信号接收调理模块、 电梯通讯模块、基站主控模块和电 源管理模块；
基站信号发射驱动模块：用于将待发送的数字信号转换成驱动基站信号发 射天线的模拟信号；
基站信号发射天线：用于将经过基站信号发射驱动模块转换所得的模拟信 号向周围空间辐射电磁场；
基站信号接收天线： 用于接收目标卡发来的电磁波信号， 并将接收的电磁 波信号转换成模拟信号；
基站信号接收调理模块：用于将基站信号接收天线所接收到的模拟信号进 行解调， 获得数字信号；
电梯通讯模块： 用于实现基站与电梯主控板间的通讯，将各种电梯控制操 作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： 将外部输入的电压转换成基站中各个模块所需的电压。 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， 用于对基站中各个模块进行控制， 实现逻辑程序功能； 存储器单元， 用于存放目标卡的 ID以及与 ID相对应的电梯操作权限。 优选地， 所述目标卡包括： 3D接收天线、 目标卡主控模块、 目标卡信号 发射调制模块、 目标卡信号发射天线和电池；
3D接收天线， 包括朝三个方向且相互垂直的线圈， 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，用于将 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，用于将信号发射调制模块转换所得的模拟信号向周 围空间辐射， 形成电磁场； 电池： 用于为目标卡中的各个模块提供电源。
优选地， 所述目标卡主控模块包括：
处理器， 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， 用于将数字信号转换为模拟信号；
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。
本发明还提供一种被动式无线远程电梯召唤的控制系统的控制方法，按如 下步骤进行：
a、 基站向周围空间持续辐射电信号形成电磁场；
b、 当基站检测到目标卡处于上述的电磁场范围内， 则唤醒目标卡； c、 目标卡将电磁场强度、 电池电量信息以及目标卡 ID封装成数据包， 通 过目标卡信号发射调制模块转换为模拟信号，并借助目标卡信号发射天线向基 站发射；
d、 基站根据接收到的数据， 得到目标卡的 ID并确定楼层响应权限； e、 基站将电梯请求信号发给电梯主控板， 对电梯实施相应楼层的控制， 同时显示电梯运行 ^大态。
优选地， 所述基站检测目标卡的方法是：
在目标卡连续运动时， 基站得到目标卡在至少两个运动点上的电磁场强 度；
基站根据所述电磁场强度得到目标卡距离基站信号接收天线的距离，若该 距离处在有效范围内， 则基站唤醒目标卡。
优选地， 目标卡得到电磁场强度具体为：
所述目标卡被唤醒时， 目标卡 3D接收天线将该位置处的电磁场强度转换 为三个矢量方向的模拟信号发给目标卡主控模块；
目标卡主控模块再将三个矢量方向的模拟信号转换为数字信号， 得到该 位置的电磁场强度。
优选地， 所述目标卡未处于所述的电磁场范围内， 则保持休眠模式。 本发明被动式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； 当客户进入电梯轿厢后，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。
本发明给乘客提供了一种方便且智能的电梯召唤控制系统，使携带目标卡 的乘客在远处即可自动召唤电梯，从而节约了等待电梯的时间， 实现电梯等人 的目标。 附图说明
图 1为本发明基站的功能模块框图；
图 2为本发明基站主控模块的框图；
图 3是本发明目标卡的功能模块框图；
图 4是本发明目标卡主控模块的框图。 具体实施方式
下面结合附图对本发明作详细说明。
本发明被动式无线远程电梯召唤操控系统包括基站、 目标卡及电梯主控 板。
下面结合图 1详细介绍基站的组成。 参见图， 1该图为本发明提供的基站 的功能模块框图。
基站由电源直接供电，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模块， 分别是： 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、 电梯通讯模块 104、 基站主控模 块 105、 基站信号接收调理模块 106和基站信号接收天线 107。
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与基站信号发射天线 103相连。
基站信号接收调理模块 106与基站信号接收天线 107相连。
电梯通讯模块 104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，此基站信号发射驱动模块 102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 将接收的该模拟磁波信号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将所述模拟电信号进行解调，获得具有含义的 数字信号。 本实施例中的基站信号调理模块 106可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， 本实施例中该电 梯通讯模块 104可选用 485或 CAN通讯方式等。
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， 同时控制电梯通讯模块 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详细介绍基站中的基站主控模块。
参见图 2, 该图为本发明提供的基站中的基站主控模块的框图。
基站主控模块 105至少包括 1个处理器单元 105b和 1个存储器单元 105a。 其中， 处理器单元 105b用于对各模块进行控制， 并实现逻辑程序功能， 本实施例中处理器单元 105b优先可以选用 51系列芯片或 ARM芯片。 存储器单元 105a用于存放目标卡的 ID号以及与其相对应的电梯操作权 限， 存储器单元 105a优先可以选用 EEPROM或 FLASH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结构。
参见图 3 , 该图为本发明提供的目标卡的功能模块框图。
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， 将基站信号场强大小、 电池电量信息和目标卡 ID—并回传给基站。
目标卡包括五部分， 分别是： 3D接收天线 301、 电池 302、 目标卡主控模 块 303、 目标卡信号发射调制模块 304和目标卡信号发射天线 305。
其中， 目标卡主控模块 303与 3D接收天线 301、 电池 302、 目标卡信号 发射调制模块 304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。
电池 302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。
目标卡主控模块 303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 302的电量信 息一起返回给基站。
下面结合图 4详细介绍目标卡主控模块。
参见图 4, 该图为目标卡主控模块的框图。
本实施例提供的目标卡主控模块包括：
处理器： 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： 用于将数字信号转换为模拟信号；
定时器单元： 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。
上述各个单元均采用本领域常用的功能模块， 因此， 在此不做详细说明。 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， 形成电磁场。
下面介绍本发明实施例提供的单基站目标卡检测方式。
1、 通过目标卡接收到的场强强度， 得出目标卡距基站天线的距离， 记为： 第一距离。
2、 当目标卡运动到另外一个地方后， 再得出一个距离， 记为： 第二距离。 因为目标卡的运动是连续的，根据连续运动的情况，得到的距离数值可以 构成一个曲线； 当目标卡靠近天线走来时， 检测到的场强在逐渐增加， 则目标 卡距离基站天线的距离数值在逐渐减小；当目标卡走到离天线最近端时得到的 场强最大， 则目标卡距离基站天线的距离最近。
3、 设定一个范围， 当目标卡运动到指定范围内时可以发出电梯的控制操 作。
4、 当目标卡向外运动时， 则离基站天线越来越远， 检测到的场强会越来 越小， 所得的距离数值会越来越大， 直至走出场强范围， 目标卡再次进入休眠 状态。
在频段设置时， 频段 1和频段 2尽量避免使用相同频段， 以免相互干扰； 通常情况下频段 1选择 LF频段（例如： 125KHz ), 频段 2选择 UHF频段（例 如： 315.5MHz )。
除了上述基站和目标卡以外，操控系统还包括一个电梯主控板， 其用于在 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（可以通过电场强度获得）以及其他信息； 基站 在获得这些目标卡的信息后， 可进行一系列的电梯操作， 比如厅外召唤、 相应 授权楼层的响应等。 下面介绍本发明被动式无线远程电梯召唤的控制方法， 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向天线周围的空间持续的辐射电磁场。
b、 当目标卡不在基站信号发射天线 103辐射出来的电磁场范围内时， 目 标卡主控模块 303处于休眠模式， 以节省电量。
当目标卡进入到基站信号发射天线 103辐射出来的电磁场范围内时，目标 卡主控模块 303被唤醒。 目标卡的 3D接收天线 301将该位置处电磁场的场强 转换为 3个矢量方向的模拟量电信号；
目标卡主控模块 303将 3D接收天线 301转换后的模拟量电信号转换为数 字量并通过算法得出该位置的实际电磁场强度； 同时， 目标卡主控模块 303 还会采集电池的电量数值； 目标卡主控模块 303将电磁场强度数值、 电池的电 量数值以及目标卡本身的 ID号封装成一个数据包。
目标卡主控模块 303将该数据包通过目标卡信号发射调制模块 304转换为 模拟信号通过目标卡信号发射天线 305向基站发射。
基站信号接收天线 107接收到目标卡发来的射频信号后， 转换为模拟信 号， 再由基站信号接收调理模块 106转换为数字电平信号。
基站主控模块 105将基站信号接收调理模块 106转换后的数字电平信号解 析成正确的数据包， 从而获得目标卡的距离、 电池电量信息、 目标卡的 ID号 等信息。
基站主控模块 105可以根据目标卡的 ID号得到该目标卡的楼层响应权限。 基站主控模块 105通过电梯通讯模块 104将对电梯请求信号发给电梯控制系 统。基站主控模块 105根据目标卡的 ID号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。
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 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、 被动式无线远程电梯召唤的操控系统， 其特征在于， 包括： 基站、 目 标卡和电梯主控板；
基站， 用于向空间辐射电磁场；
当目标卡进入到基站辐射出来的电磁场范围内时， 目标卡被唤醒， 目标卡 用于将电磁场的强度数值、 电池电量数值以及目标卡的 ID返回给基站；
基站还用于对目标卡发送的电磁场的强度数值、电池电量数值以及目标卡 的 ID进行解析， 判断目标卡的有效性， 根据设定执行相应的电梯控制操作， 发送电梯控制操作请求给电梯主控板；
电梯主控板用于根据电梯控制操作请求对电梯运行进行命令控制和状态 显示。
2、 如权利要求 1所述的被动式无线远程电梯召唤的操控系统， 其特征在 于， 所述基站包括： 基站信号发射驱动模块、 基站信号发射天线、 基站信号接 收天线、基站信号接收调理模块、 电梯通讯模块、基站主控模块和电源管理模 块；
基站信号发射驱动模块：用于将待发送的数字信号转换成驱动基站信号发 射天线的模拟信号；
基站信号发射天线：用于将经过基站信号发射驱动模块转换所得的模拟信 号向周围空间辐射电磁场；
基站信号接收天线： 用于接收目标卡发来的电磁波信号， 并将接收的电磁 波信号转换成模拟信号；
基站信号接收调理模块：用于将基站信号接收天线所接收到的模拟信号进 行解调， 获得数字信号；
电梯通讯模块： 用于实现基站与电梯主控板间的通讯，将各种电梯控制操 作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： 将外部输入的电压转换成基站中各个模块所需的电压。
3、 如权利要求 2所述的被动式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， 用于对基站中各个模块进行控制， 实现逻辑程序功能； 存储器单元， 用于存放目标卡的 ID以及与 ID相对应的电梯操作权限。
4、 如权利要求 1所述的被动式无线远程电梯召唤的操控系统， 其特征在 于， 所述目标卡包括： 3D接收天线、 目标卡主控模块、 目标卡信号发射调制 模块、 目标卡信号发射天线和电池；
3D接收天线， 包括朝三个方向且相互垂直的线圈， 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，用于将 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，用于将信号发射调制模块转换所得的模拟信号向周 围空间辐射， 形成电磁场；
电池： 用于为目标卡中的各个模块提供电源。
5、 如权利要求 4所述的被动式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， 用于协调控制目标卡中各个模块之间的工作；
A/D转换单元， 用于将数字信号转换为模拟信号；
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。
6、 如权利要求 4所述的被动式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。
7、 一种如权利要求 1被动式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、 基站向周围空间持续辐射电信号形成电磁场；
b、 当基站检测到目标卡处于上述的电磁场范围内， 则唤醒目标卡； c、 目标卡将电磁场强度、 电池电量信息以及目标卡 ID封装成数据包， 通 过目标卡信号发射调制模块转换为模拟信号，并借助目标卡信号发射天线向基 站发射；
d、 基站根据接收到的数据， 得到目标卡的 ID并确定楼层响应权限； e、 基站将电梯请求信号发给电梯主控板， 对电梯实施相应楼层的控制， 同时显示电梯运行 ^大态。
8、 如权利要求 7所述的控制方法， 其特征在于， 所述基站检测目标卡的 方法是：
在目标卡连续运动时， 基站得到目标卡在至少两个运动点上的电磁场强 度；
基站根据所述电磁场强度得到目标卡距离基站信号接收天线的距离，若该 距离处在有效范围内， 则基站唤醒目标卡。
9、 如权利要求 8所述的控制方法， 其特征在于， 目标卡得到电磁场强度 具体为：
所述目标卡被唤醒时， 目标卡 3D接收天线将该位置处的电磁场强度转换 为三个矢量方向的模拟信号发给目标卡主控模块；
目标卡主控模块再将三个矢量方向的模拟信号转换为数字信号， 得到该 位置的电磁场强度。
10、 如权利要求 8所述的控制方法， 其特征在于， 所述目标卡未处于所述 的电磁场范围内， 则保持休眠模式。
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