WO2017177350A1 - 一种胶囊内窥镜的接收天线控制装置及控制方法 - Google Patents

一种胶囊内窥镜的接收天线控制装置及控制方法 Download PDF

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WO2017177350A1
WO2017177350A1 PCT/CN2016/000243 CN2016000243W WO2017177350A1 WO 2017177350 A1 WO2017177350 A1 WO 2017177350A1 CN 2016000243 W CN2016000243 W CN 2016000243W WO 2017177350 A1 WO2017177350 A1 WO 2017177350A1
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antenna
data
capsule endoscope
area
rotating shaft
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PCT/CN2016/000243
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English (en)
French (fr)
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李洪谊
麻树人
李贵阳
王闯
柳全乐
刘富忠
王耀涓
李娇
陈玉林
郑金锋
孙玉盛
吴玲
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沈阳尚贤微创医疗器械股份有限公司
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Publication of WO2017177350A1 publication Critical patent/WO2017177350A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/041Capsule endoscopes for imaging
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00Antennas with active circuits or circuit elements integrated within them or attached to them

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  • the invention relates to a receiving antenna control device and a control method for a capsule endoscope, and belongs to the technical field of capsule endoscope application.
  • the receiving antenna device of the capsule endoscope generally receives wireless data transmitted by the capsule endoscope by means of multiple antennas. Because the wireless signal has a large attenuation in the human body, and the attenuation increases rapidly as the distance between the capsule and the receiving antenna increases. In the current technology, in order to reduce data loss, it is necessary to arrange a plurality of receiving antennas on the human body, generally 8 or more. Through these antennas, the antenna is continuously switched to find the antenna with the largest receiving level for data reception. However, the position of the antenna on the human body is generally placed in a fixed position according to experience, and because of the difference in the height and weight of the person, and the movement of the person itself, the fixed antenna cannot be adapted to all patients.
  • the present invention provides a receiving antenna control device and a control method for a capsule endoscope, which are provided with two upper and lower receiving antenna devices, and each layer of the receiving antenna device is provided with a set of XY rotating shafts.
  • the slide shaft is provided with a slide rail that can move along the rotation axis direction, and the antenna is disposed on the slide rail, and the position of the antenna in the XY direction in the corresponding plane is adjusted by adjusting the position of the rotation shaft, and one layer antenna receives signals, and another layer antenna After adjusting to find the best position, switch the receiving signal antenna and check it.
  • the data information is stored in the controller, and after comparing the weight values of the respective regions, the location of the region having a large weight value is preferentially adjusted.
  • the technical problem that the receiving data is incorrect and lost due to the position difference in the prior art and the receiving effect is not ideal is solved.
  • a method for controlling a receiving antenna of a capsule endoscope the steps of which are:
  • the controller drives the moving position of one antenna to find a stronger signal position than the one antenna that receives the data at this time;
  • step 5 judge the work situation, if it continues, return to step 3); if the work is completed, stop the control, and the above control information is formed into a database, and when the next start, the antenna is preferentially adjusted according to the information in the database.
  • Step 3) The first step of moving the specific step: establishing an XY coordinate system corresponding to the rotating shaft in the plane, and controlling the rotation of the corresponding rotating shaft to control the movement of the antenna in the XY plane, first moving in one direction of the X axis, judging Whether the signal strength is greater than the initial position, if it is greater than, it continues to move along the direction, and if it is less than, it returns to the strongest intensity position, and the Y-axis direction motion is the same as the X-direction motion method.
  • step 5 if the work is completed, the specific steps of the database information collation are:
  • the entire device is divided into several areas, the controller records each inspection process Antenna information, including total time, dwell time in each area, signal strength values and motion trajectories in the area, forming a database;
  • the controller preferentially moves to the maximum area of the surrounding weight value according to the order of the historical weights of the respective regions.
  • the device for controlling a receiving antenna of a capsule endoscope is characterized in that: the rectangular flat panel device comprises two upper and lower antenna control devices, and each layer of the control device comprises a pair of mutually perpendicular XY rotating shafts, two In the layer control device, there are four rotating shafts X1, Y1, X2 and Y2, which are driven by the motor to rotate the rotating shaft; on the rotating shaft, a sliding rail group composed of two parallel sliding rails (1) is arranged on the X1 and Y1.
  • the intersection of the slide rail group is provided with an antenna T1
  • the intersection of the slide rail groups on X2 and Y2 is provided with an antenna T2
  • the rotation of the rotary shaft is driven by the motor to drive the slide rail group to move back and forth on the rotating shaft to adjust the position of the antenna in the respective planes
  • X1, Y1 and X2, Y2 are distributed in different planes without interference.
  • the base of the slide rail is annular and is sleeved on the rotating shaft, and the free end is an elongated strip shape, and the protruding portion is perpendicular to the rotating shaft.
  • the four rotating shafts X1, Y1, X2, and Y2 are respectively rotated by four motors M1, M2, M3, and M4.
  • the invention has the beneficial effects that the present invention is provided by the above structure and method.
  • a receiving antenna control device and a control method for a capsule endoscope uses two antennas, and the hardware structure and cost are simplified.
  • the antenna movement can be controlled by a self-renewing learning algorithm so that the antenna can quickly track the position of the capsule, maintain the optimal signal receiving intensity, and stably receive the capsule data without loss.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a schematic diagram of the control flow of the present invention.
  • a method for controlling a receiving antenna of a capsule endoscope the steps of which are:
  • the controller drives the moving position of one antenna to find a stronger signal position than the one antenna that receives the data at this time:
  • the first step of moving the XY coordinate system corresponding to the rotating shaft is established in the plane, and the antenna is controlled to move in the XY plane by controlling the rotation of the corresponding rotating shaft, first moving in one direction of the X axis to determine whether the signal strength is greater than The initial position, if it is greater than, continues to move along the direction, and if it is less than, it returns to the strongest intensity position, and the Y-axis direction motion is the same as the X-direction motion method.
  • step 5 judge the work situation, if it continues, return to step 3); if the work is completed, stop the control, and the above control information forms a database, when the next start, according to the database
  • the information is used to prioritize the antenna:
  • the whole device is divided into several areas, the controller records the antenna information of each inspection process, including the total time, the residence time in each area, the signal strength value and the motion track in the area, forming a database;
  • the controller preferentially moves to the maximum area of the surrounding weight value according to the order of the historical weights of the respective regions.
  • the antennas T1 and T2 are located at the two positions where the historical weight value of the uppermost end of the displacement track is the largest as the starting position.
  • a receiving antenna control device for a capsule endoscope is characterized in that: a rectangular flat panel device includes upper and lower antenna control devices, and each layer of the control device includes a pair of mutually perpendicular XY rotating shafts, which are common to the two layers of control devices.
  • the four rotating shafts X1, Y1, X2 and Y2 are driven by the motor to rotate the rotating shaft; the rotating shaft is provided with a sliding rail group composed of two mutually parallel sliding rails 1, and the intersection of the sliding rail groups on X1 and Y1 is provided with An antenna T2 is disposed at an intersection of the antenna groups T1, X2 and the track group on the Y2; the rotation of the rotating shaft is driven by the motor to drive the sliding rail group to move back and forth on the rotating shaft to adjust the position of the antenna in the respective planes; X1, Y1 and X2 Y2 is distributed in different planes without interference.
  • the four rotating shafts X1, Y1, X2, and Y2 are respectively rotated by four motors M1, M2, M3, and M4.
  • the base of the slide rail 1 has a circular shape and is sleeved on the rotating shaft.
  • the free end is an elongated strip shape, and the protruding portion is perpendicular to the rotating shaft.
  • the controller drives the motor to control the position of the two antennas by detecting the signal strength, so that the antenna tracks the movement of the capsule in the human body and maintains the optimal signal receiving intensity at all times.
  • Two antennas when one receives data and the other moves, when a stronger signal position is found, it switches to this path when the data is idle, ensuring no loss when the signal is switched.

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Abstract

一种胶囊内窥镜的接收天线控制装置及控制方法,方法为:1、初始化天线T1、T2位置;2、两路天线,通过控制器控制一路接收数据,另一路移动找到信号更强位置;3、切换接收与移动天线;4、记录数据,对下次工作进行优先位置调整。本发明通过上述方法,使用时通过可自我更新学习的算法控制天线移动使天线可以迅速跟踪胶囊的位置,保持最佳的信号接收强度,可以无丢失的稳定接收胶囊数据。

Description

一种胶囊内窥镜的接收天线控制装置及控制方法 技术领域
本发明涉及一种胶囊内窥镜的接收天线控制装置和控制方法,属于胶囊型内窥镜应用技术领域。
背景技术
胶囊内窥镜的接收天线装置,一般采用多天线的方式来接收胶囊内窥镜发射的无线数据。因为无线信号在人体内有较大的衰减,而且衰减会随着胶囊与接收天线距离的增大而迅速增加。目前已有的技术,为了减少数据丢失,需要在在人体上布置多个接收天线,一般大于等于8个。通过这些天线不断切换,来找到接收电平最大的天线进行数据接收。但天线在人体上的位置摆放是一般根据经验放在固定位置,且因为人的身高体重腰围等差异,以及人本身的运动,固定摆放的天线无法适应所有的患者。当切换到位置较差的天线时,容易造成接收数据错误和丢失,接收效果并不十分理想。因此,在胶囊内镜检查过程中,如何让天线处于最好的接收位置稳定的接收数据是现有的技术中所面临的问题。
发明内容
为了解决上述技术问题,本发明创造提供了一种胶囊内窥镜的接收天线控制装置及控制方法,设置有上下两层相互独立的接收天线装置,每层接收天线装置中都设置有一组XY转轴,在转轴上设置有可以沿着转轴方向移动的滑轨,天线设置在滑轨上,通过调整转轴位置从而调整天线在相应平面内XY方向上的位置,一层天线接收信号,另一层天线调整找到最佳位置后,切换接收信号天线,并将检验时的 数据信息保存在控制器中,将各个区域的权重值进行比较后,优先选择权重值较大的区域位置进行调整。解决了现有技术中存在的由于位置差异造成的成接收数据错误和丢失,接收效果不十分理想的技术问题。
为了实现上述目的,本发明采用的技术方案是:
一种胶囊内窥镜的接收天线的控制方法,其步骤为:
1)、根据数据库信息,初始化天线T1、T2位置;
2)、两路天线,通过控制器控制一路接收数据,另一路移动;
3)、控制器驱动移动的一路天线移动位置,找到比此时接收数据的一路天线更强的信号位置;
4)、当数据空闲时切换移动天线与数据接收天线,确保数据切换时无丢失,且保持最佳的接收信号强度;
5)、判断工作情况,如继续则返回步骤3);如工作完成,则停止控制,并将以上控制信息形成数据库,当下次启动时,根据数据库中信息对天线进行优先位置调整。
步骤3)中第一次移动具体步骤:在平面内建立与转轴相应的XY轴坐标系,通过控制相应转轴转动,从而控制天线在XY平面内做运动,首先向X轴的一个方向移动,判断信号强度是否大于初始位置,大于则继续沿着该方向移动,小于则返回最强强度位置,Y轴方向运动与X中方向运动方法相同。
所述的步骤5)中,如工作完成,则数据库信息整理具体步骤为:
5a)、将整个装置分为若干个区域,控制器记录每一次检查过程 天线信息,包括总时间,在每个区域停留时间,区域内信号强度值及运动轨迹,形成数据库;
5b)、通过历史数据,为装置的每个区域计一个权重平均值,具体为:设一次检查总时间为T,天线在某个区域停留的时间为t,检查期间所有信号强度平均值为P,天线在某个区域内的信号强度平均值为p,则权重值I=t/T+p/P,如果该区域的历史检测次数为k,则此区域的所有历史权重平均值
Figure PCTCN2016000243-appb-000001
5c)、当天线移动时,控制器根据各个区域的历史权重平均值的先后顺序,优先向周围权重值最大区域移动。
一种胶囊内窥镜的接收天线的控制方法所采用的装置,其特征在于:在矩形平板装置中包含有上下两层天线控制装置,每层控制装置中包含有一对相互垂直的XY转轴,两层控制装置中共有四个转轴X1、Y1、X2、Y2,通过电机带动转轴转动;在转轴在上设置有由两个相互平行的滑轨(1)组成的滑轨组,X1与Y1上的滑轨组相交处设置有天线T1,X2与Y2上的滑轨组相交处设置有天线T2;通过电机带动转轴转动,带动滑轨组在转轴上来回运动,调整天线在各自平面内的位置;X1、Y1与X2、Y2分布在不同的平面内,不相干涉。
所述的滑轨基部为圆环形,套在转轴上,自由端为伸出的长条形,其伸出部分与转轴相互垂直。
所述的四个转轴X1、Y1、X2、Y2分别通过四个电机M1、M2、M3、M4带动转动。
本发明创造的有益效果在于:本发明通过上述结构与方法,供了 一种胶囊内窥镜的接收天线控制装置及控制方法,装置使用两个天线,精简了硬件结构和造价。使用时通过可自我更新学习的算法控制天线移动使天线可以迅速跟踪胶囊的位置,保持最佳的信号接收强度,可以无丢失的稳定接收胶囊数据。
附图说明
图1:为本发明结构示意图。
图2:为本发明控制流程示意图。
具体实施方式
一种胶囊内窥镜的接收天线的控制方法,其步骤为:
1)、根据数据库信息,初始化天线T1、T2位置;
2)、两路天线,通过控制器控制一路接收数据,另一路移动;
3)、控制器驱动移动的一路天线移动位置,找到比此时接收数据的一路天线更强的信号位置:
第一次移动具体步骤:在平面内建立与转轴相应的XY轴坐标系,通过控制相应转轴转动,从而控制天线在XY平面内做运动,首先向X轴的一个方向移动,判断信号强度是否大于初始位置,大于则继续沿着该方向移动,小于则返回最强强度位置,Y轴方向运动与X中方向运动方法相同。
4)、当数据空闲时切换移动天线与数据接收天线,确保数据切换时无丢失,且保持最佳的接收信号强度;
5)、判断工作情况,如继续则返回步骤3);如工作完成,则停止控制,并将以上控制信息形成数据库,当下次启动时,根据数据库 中信息对天线进行优先位置调整:
如工作完成,则数据库信息整理具体步骤为:
5a)、将整个装置分为若干个区域,控制器记录每一次检查过程天线信息,包括总时间,在每个区域停留时间,区域内信号强度值及运动轨迹,形成数据库;
5b)、通过历史数据,为装置的每个区域计一个权重平均值,具体为:设一次检查总时间为T,天线在某个区域停留的时间为t,检查期间所有信号强度平均值为P,天线在某个区域内的信号强度平均值为p,则权重值I=t/T+p/P,如果该区域的历史检测次数为k,则此区域的所有历史权重平均值
Figure PCTCN2016000243-appb-000002
5c)、当天线移动时,控制器根据各个区域的历史权重平均值的先后顺序,优先向周围权重值最大区域移动。
在下一次启动时,根据数据库,天线T1和T2位于位移轨迹最上端历史权重值最大的两个位置处,作为起始位置。
一种胶囊内窥镜的接收天线控制装置,其结构为:在矩形平板装置中包含有上下两层天线控制装置,每层控制装置中包含有一对相互垂直的XY转轴,两层控制装置中共有四个转轴X1、Y1、X2、Y2,通过电机带动转轴转动;在转轴在上设置有由两个相互平行的滑轨1组成的滑轨组,X1与Y1上的滑轨组相交处设置有天线T1,X2与Y2上的滑轨组相交处设置有天线T2;通过电机带动转轴转动,带动滑轨组在转轴上来回运动,调整天线在各自平面内的位置;X1、Y1与X2、 Y2分布在不同的平面内,不相干涉。所述的四个转轴X1、Y1、X2、Y2分别通过四个电机M1、M2、M3、M4带动转动。
所述的滑轨1基部为圆环形,套在转轴上,自由端为伸出的长条形,其伸出部分与转轴相互垂直,当转轴转动时,由转轴与滑轨1结合部分的螺纹作用,带动滑轨1上的天线在XY平面上移动。
使用时,控制器通过检测信号强度,驱动电机控制两路天线的位置,使天线跟踪人体内胶囊的运动,时刻保持最佳的信号接收强度。两路天线,当一路接收数据,另一路移动,当找到更强的信号位置时,就在数据空闲时切换到这路,保证信号切换时无丢失。

Claims (6)

  1. 一种胶囊内窥镜的接收天线的控制方法,其步骤为:
    1)、根据数据库信息,初始化天线T1、T2位置;
    2)、两路天线,通过控制器控制一路接收数据,另一路移动;
    3)、控制器驱动移动的一路天线移动位置,找到比此时接收数据的一路天线更强的信号位置;
    4)、当数据空闲时切换移动天线与数据接收天线,确保数据切换时无丢失,且保持最佳的接收信号强度;
    5)、判断工作情况,如继续则返回步骤3);如工作完成,则停止控制,并将以上控制信息形成数据库,当下次启动时,根据数据库中信息对天线进行优先位置调整。
  2. 根据权利要求1所述的一种胶囊内窥镜的接收天线控制装置的控制方法,其特征在于:步骤3)中第一次移动具体步骤:在平面内建立与转轴相应的XY轴坐标系,通过控制相应转轴转动,从而控制天线在XY平面内做运动,首先向X轴的一个方向移动,判断信号强度是否大于初始位置,大于则继续沿着该方向移动,小于则返回最强强度位置,Y轴方向运动与X中方向运动方法相同。
  3. 根据权利要求1所述的一种胶囊内窥镜的接收天线控制装置的控制方法,其特征在于:所述的步骤5)中,如工作完成,则数据库信息整理具体步骤为:
    5a)、将整个装置分为若干个区域,控制器记录每一次检查过程 天线信息,包括总时间,在每个区域停留时间,区域内信号强度值及运动轨迹,形成数据库;
    5b)、通过历史数据,为装置的每个区域计一个权重平均值,具体为:设一次检查总时间为T,天线在某个区域停留的时间为t,检查期间所有信号强度平均值为P,天线在某个区域内的信号强度平均值为p,则权重值I=t/T+p/P,如果该区域的历史检测次数为k,则此区域的所有历史权重平均值
    Figure PCTCN2016000243-appb-100001
    5c)、当天线移动时,控制器根据各个区域的历史权重平均值的先后顺序,优先向周围权重值最大区域移动。
  4. 根据权利要求1所述的一种胶囊内窥镜的接收天线的控制方法所采用的装置,其特征在于:在矩形平板装置中包含有上下两层天线控制装置,每层控制装置中包含有一对相互垂直的XY转轴,两层控制装置中共有四个转轴X1、Y1、X2、Y2,通过电机带动转轴转动;在转轴在上设置有由两个相互平行的滑轨(1)组成的滑轨组,X1与Y1上的滑轨组相交处设置有天线T1,X2与Y2上的滑轨组相交处设置有天线T2;通过电机带动转轴转动,带动滑轨组在转轴上来回运动,调整天线在各自平面内的位置;X1、Y1与X2、Y2分布在不同的平面内,不相干涉。
  5. 根据权利要求4所述的一种胶囊内窥镜的接收天线控制装置,其特征在于:所述的滑轨(1)基部为圆环形,套在转轴上,自由端为伸出的长条形,其伸出部分与转轴相互垂直。
  6. 根据权利要求4所述的一种胶囊内窥镜的接收天线控制装置,其特征在于:所述的四个转轴X1、Y1、X2、Y2分别通过四个电机M1、M2、M3、M4带动转动。
PCT/CN2016/000243 2016-04-14 2016-05-06 一种胶囊内窥镜的接收天线控制装置及控制方法 WO2017177350A1 (zh)

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