CN104135616B - A kind of wireless control system and control method for high-speed camera triggering - Google Patents
A kind of wireless control system and control method for high-speed camera triggering Download PDFInfo
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Abstract
本发明提供了一种用于高速摄像机触发的无线控制系统及控制方法,该系统包括单个主站和N个从站。主站用于实现触发控制和状态显示,包括操作和显示模块和第一信号处理模块。从站用于实现触发执行和反馈状态,每个从站都包括一个第二信号处理模块。工作时,主站放置在固定位置,从站放置在试验现场,将高速摄像机与从站连接。主站通过第一信号处理模块向从站发出触发模式选择和触发控制选择请求,从站对高速摄像机进行触发或触发复位。本发明不仅能实现高速摄像机的单路触发、同步触发和延时触发功能,又能够远距离实时监测高速摄像机的触发状态和进行触发复位,大大提高了高速摄像机的使用范围和使用性能。
The invention provides a wireless control system and control method for high-speed camera triggering. The system includes a single master station and N slave stations. The master station is used to implement trigger control and status display, including an operation and display module and a first signal processing module. The slave stations are used to implement trigger execution and feedback status, and each slave station includes a second signal processing module. When working, the master station is placed in a fixed position, the slave station is placed in the test site, and the high-speed camera is connected with the slave station. The master station sends trigger mode selection and trigger control selection requests to the slave station through the first signal processing module, and the slave station triggers or resets the high-speed camera. The invention can not only realize the single-channel trigger, synchronous trigger and delay trigger functions of the high-speed camera, but also can remotely monitor the trigger state of the high-speed camera and perform trigger reset, thereby greatly improving the use range and performance of the high-speed camera.
Description
技术领域technical field
本发明属于导弹技术领域,具体地说,涉及一种用于高速摄像机触发的无线控制系统及控制方法。The invention belongs to the technical field of missiles, and in particular relates to a wireless control system and control method for high-speed camera triggering.
背景技术Background technique
在武器的研制过程中,为了获得弹丸的转速、攻角、加速度、入靶速度以及出靶速度,高速摄像是一种必不可少的手段。高速摄像能够捕获高速运动物体的瞬时状态或全部历程,记录大量准确的时空信息,为研究高速现象的发生机理和运动规律提供可靠的依据。由于高速摄像机的拍摄频率高,总的拍摄时间短,弹丸的飞行速度快,因此高速摄像机的触发控制就显得非常重要。In the process of weapon development, in order to obtain the rotational speed, angle of attack, acceleration, speed of entry and exit of the projectile, high-speed camera is an indispensable means. High-speed photography can capture the instantaneous state or the entire history of high-speed moving objects, record a large amount of accurate spatio-temporal information, and provide a reliable basis for studying the occurrence mechanism and motion laws of high-speed phenomena. Because the shooting frequency of high-speed cameras is high, the total shooting time is short, and the flying speed of projectiles is fast, so the trigger control of high-speed cameras is very important.
当前,数字式高速摄像机的触发主要采用声音和目测相结合的方法,需要拍摄人员在一定的距离范围内根据弹的声音和目测结果给出触发信号。由于拍摄人员需要与高速摄像机保持较近距离,故该方法难以适应于终点弹道的近距离拍摄;对于多台摄像机从不同角度拍摄同一作用过程,以往的触发方式更是无能为力。At present, the triggering of digital high-speed cameras mainly adopts the method of combining sound and visual inspection, and the photographer needs to give a trigger signal within a certain distance range according to the sound of bullets and visual inspection results. Since the photographer needs to keep a relatively close distance from the high-speed camera, this method is difficult to adapt to the close-range shooting of the terminal trajectory; for multiple cameras shooting the same action process from different angles, the previous trigger method is even more powerless.
发明内容Contents of the invention
本发明要解决的技术问题是,克服现有技术的不足,提供一种用于高速摄像机触发的无线控制系统及控制方法,以便在实现单路触发、同步触发和延时触发功能的同时,还能够远距离实时监测高速摄像机的触发状态,并对高速摄像机进行触发复位。The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a wireless control system and control method for high-speed camera triggering, so as to achieve single-channel triggering, synchronous triggering and delayed triggering functions while also It can remotely monitor the trigger status of the high-speed camera in real time, and reset the trigger of the high-speed camera.
本发明解决上述技术问题采用的技术方案包括:The technical solutions adopted by the present invention to solve the above technical problems include:
根据本发明的一个方面,其提供了一种用于高速摄像机触发的无线控制系统,该系统包括:单个主站和N个从站,N为大于等于1的正整数,其中,主站用于实现触发控制和状态显示,包括操作和显示模块、第一信号处理模块;从站实现触发执行和反馈状态,每个从站都包括一个第二信号处理模块,所述第二信号处理模块连接至高速摄像机;并且其中,According to one aspect of the present invention, it provides a wireless control system for high-speed camera triggering, the system includes: a single master station and N slave stations, N is a positive integer greater than or equal to 1, wherein the master station is used for Realize trigger control and status display, including operation and display module, first signal processing module; slave station realizes trigger execution and feedback status, each slave station includes a second signal processing module, and the second signal processing module is connected to a high-speed camera; and where,
所述操作和显示模块用于:给所述第一信号处理模块发出网络检测和信号强度测试指令、进行触发模式选择和触发控制模式选择、以及根据所选择的触发模式和触发控制模式给所述第一信号处理模块发出相应的指令,其中,触发模式包括单路触发模式、同步触发模式和延时触发模式,触发控制模式包括触发控制和触发复位控制;实时显示所述第一信号处理模块返回的各种信息:并且所述操作和显示模块还用于提供获得整个无线控制系统的操作流程的系统帮助;The operation and display module is used to: issue network detection and signal strength test instructions to the first signal processing module, perform trigger mode selection and trigger control mode selection, and give the The first signal processing module sends corresponding instructions, wherein the trigger mode includes single-channel trigger mode, synchronous trigger mode and delay trigger mode, and the trigger control mode includes trigger control and trigger reset control; the real-time display of the first signal processing module returns various information: and the operation and display module is also used to provide system assistance for obtaining the operation process of the entire wireless control system;
所述第一信号处理模块收到所述操作和显示模块的网络检测指令后,依次给N个从站中的第二信号处理模块发送从站是否在线的请求;当收到从站中的第二信号处理模块返回的从站在线应答后,将相应从站加入从站库,并将从站库中的在线从站信息发送给所述操作和显示模块进行结果显示;After the first signal processing module receives the network detection instruction of the operation and display module, it sequentially sends a request whether the slave station is online to the second signal processing module in the N slave stations; After the slave station online response returned by the second signal processing module, the corresponding slave station is added to the slave station library, and the online slave station information in the slave station library is sent to the operation and display module for result display;
所述第一信号处理模块收到所述操作和显示模块的信号强度测试指令后,依次给从站库中的每一个从站的第二信号处理模块发送测试信号,各个从站中的第二信号处理模块对收到的测试信号进行信号强度测试,并将测试得到的信号强度值返回给所述第一信号处理模块,所述第一信号处理模块将该信号强度值传送给所述操作和显示模块进行显示,将该信号强度值与所述第一信号处理模块中预设的阈值进行比较,并将比较结果提供给所述操作和显示模块进行显示,并且,如果经比较,该信号强度值大于等于预设的阈值,所述第一信号处理模块将对应的从站加入到可通信从站列表中,并将可通信从站列表中的从站信息传送给所述操作和显示模块进行显示,如果该从站返回的信号强度值小于预设的阈值,则继续对后面的从站进行信号强度检测,直至完成对所有从站的信号强度测试;After the first signal processing module receives the signal strength test instruction of the operation and display module, it sends a test signal to the second signal processing module of each slave station in the slave station library in turn, and the second signal processing module in each slave station The signal processing module performs a signal strength test on the received test signal, and returns the signal strength value obtained by the test to the first signal processing module, and the first signal processing module transmits the signal strength value to the operation and The display module displays, compares the signal strength value with a preset threshold value in the first signal processing module, and provides the comparison result to the operation and display module for display, and, if compared, the signal strength value If the value is greater than or equal to the preset threshold, the first signal processing module adds the corresponding slave station to the list of communicable slave stations, and transmits the slave station information in the list of communicable slave stations to the operation and display module for further processing. Display, if the signal strength value returned by the slave station is less than the preset threshold value, continue to perform signal strength detection on the following slave stations until the signal strength test of all slave stations is completed;
当收到所述操作和显示模块的触发第M号从站,1≤M≤N,的单路触发模式指令时,所述第一信号处理模块给第M号从站中的第二信号处理模块发送等待触发的请求,并在收到第二信号处理模块返回的准备就绪的应答后,将应答信息发送给所述操作和显示模块进行显示;并且当收到所述操作和显示模块的触发控制或触发复位控制指令时,所述第一信号处理模块给第M号从站中的第二信号处理模块发送触发或触发复位的请求,第二信号处理模块对高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示;When the operation and display module triggers the Mth slave station, 1≤M≤N, when the single trigger mode instruction is received, the first signal processing module gives the second signal processing in the Mth slave station The module sends a request waiting for a trigger, and after receiving the ready response returned by the second signal processing module, sends the response information to the operation and display module for display; and when receiving the trigger of the operation and display module When controlling or triggering a reset control command, the first signal processing module sends a request for triggering or triggering reset to the second signal processing module in the No. M slave station, and the second signal processing module triggers or triggers reset control for the high-speed camera After the high-speed camera finishes triggering or triggering reset, it returns a triggering completion signal or a triggering reset completion signal to the second signal processing module, and the second signal processing module encodes and modulates the triggering completion signal or triggering reset completion signal to the first signal The processing module sends a trigger completion or trigger reset completion response, and the first signal processing module sends the corresponding response information to the operation and display module for display;
当收到所述操作和显示模块发出的触发多个从站的同步触发模式指令或者延时触发模式指令时,所述第一信号处理模块依次给所选择的该多个从站中的第二信号处理模块发送等待触发的请求,并在依次收到这些从站中的第二信号处理模块返回的准备就绪的应答后,将应答信息发送给所述操作和显示模块进行显示;其中,When receiving a synchronous trigger mode instruction or a delay trigger mode instruction for triggering multiple slave stations issued by the operation and display module, the first signal processing module sequentially sends The signal processing module sends a request waiting for a trigger, and after receiving the ready responses returned by the second signal processing module in these slave stations in turn, sends the response information to the operation and display module for display; wherein,
在同步触发模式的情况下,当又收到所述操作和显示模块的触发控制或触发复位控制指令时,所述第一信号处理模块同时给该多个从站中的第二信号处理模块发送触发或触发复位的请求,该多个从站中的第二信号处理模块对相应的高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,各个从站中的第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后,依次给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示;In the case of synchronous trigger mode, when receiving the trigger control or trigger reset control instruction from the operation and display module, the first signal processing module simultaneously sends a signal to the second signal processing module in the plurality of slave stations Trigger or trigger reset request, the second signal processing module in the plurality of slave stations triggers or triggers reset control on the corresponding high-speed cameras, and returns the trigger completion signal or The trigger reset completion signal, after the second signal processing module in each slave station encodes and modulates the trigger completion signal or trigger reset completion signal, sends the response of trigger completion or trigger reset completion to the first signal processing module in turn, the second A signal processing module sends corresponding response information to the operation and display module for display;
在延时触发模式的情况下,当又收到所述操作和显示模块的触发控制或触发复位控制指令时,所述第一信号处理模块同时该多个从站中的第二信号处理模块发送触发或触发复位的请求,其中,当执行触发时,该多个从站中的第二信号处理模块根据预设的延时时间间隔触发相应的高速摄像机,高速摄像机完成触发后给对应从站中的第二信号处理模块返回触发完成信号,第二信号处理模块对触发完成信号进行编码和调制处理后,给第一信号处理模块发送触发完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示;当执行触发复位时,该多个从站中的第二信号处理模块对相应的高速摄像机进行触发复位控制,高速摄像机完成触发复位后给对应从站中的第二信号处理模块返回触发复位完成信号,第二信号处理模块对触发复位完成信号进行编码和调制处理后,给第一信号处理模块发送触发复位完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示。In the case of the delay trigger mode, when receiving the trigger control or trigger reset control instruction from the operation and display module, the first signal processing module simultaneously sends the second signal processing module in the plurality of slave stations A trigger or trigger reset request, wherein, when the trigger is executed, the second signal processing module in the plurality of slave stations triggers the corresponding high-speed camera according to the preset delay time interval, and the high-speed camera sends the corresponding high-speed camera to the corresponding slave station after the trigger is completed. The second signal processing module returns the trigger completion signal, and after the second signal processing module encodes and modulates the trigger completion signal, it sends a trigger completion response to the first signal processing module, and the first signal processing module sends the corresponding response information Displaying the operation and display module; when performing trigger reset, the second signal processing module in the plurality of slave stations performs trigger reset control to the corresponding high-speed cameras, and the high-speed cameras give the trigger reset to the corresponding slave stations after completing the trigger reset. The second signal processing module returns the trigger reset completion signal, and after the second signal processing module encodes and modulates the trigger reset completion signal, it sends a trigger reset completion response to the first signal processing module, and the first signal processing module responds accordingly The information is sent to the operation and display module for display.
进一步地,所述第一信号处理模块执行网络检测指令的过程中,当给其中的某个从站中的第二信号处理模块发送了从站是否在线的请求后,如果超过预设的等待时间仍未收到应答,则跳过该从站,继续给下一个从站发送从站是否在线的请求,进行从站是否在线的网络检测;并且,在执行完对N个从站的网络检测后,当收到所述操作和显示模块发出的针对不在线的从站的网络检测指令后,继续对该从站进行网络检测,并在收到从站中的第二信号处理模块返回的从站在线应答后,将该从站加入从站库,同时将从站库中的在线从站的数据信息发送给所述操作和显示模块进行结果显示。Further, in the process of executing the network detection instruction by the first signal processing module, when the second signal processing module in one of the slave stations sends a request whether the slave station is online, if the preset waiting time exceeds If no response is received yet, skip the slave station, continue to send the request of whether the slave station is online to the next slave station, and perform network detection of whether the slave station is online; and, after performing the network detection of N slave stations , after receiving the network detection instruction for the offline slave station sent by the operation and display module, continue to perform network detection on the slave station, and receive the slave station returned by the second signal processing module in the slave station After the online response, the slave station is added to the slave station library, and at the same time, the data information of the online slave stations in the slave station library is sent to the operation and display module for result display.
进一步地,所述第一信号处理模块执行信号强度测试指令的过程中,如果判断某个从站返回的信号强度值小于预设的阈值,则不对该从站做任何处理,继续对下一个从站进行信号强度测试;并且在执行完对所有从站的信号强度测试后,如果又收到所述操作和显示模块发出的针对信号强度值不符合要求的从站的信号强度测试指令后,继续对该从站进行信号强度测试,直至经判断相应从站的信号强度值满足大于等于预设的阈值的要求后,将相应从站加入到可通信从站列表中,并将可通信从站列表中的从站信息传送给所述操作和显示模块进行显示。Further, during the execution of the signal strength test instruction by the first signal processing module, if it is judged that the signal strength value returned by a certain slave station is less than the preset threshold value, no processing will be performed on the slave station, and the next slave station will continue to be processed. The station carries out the signal strength test; and after performing the signal strength test to all slave stations, if the signal strength test instruction for the slave station whose signal strength value does not meet the requirements issued by the operation and display module is received, continue Carry out the signal strength test on the slave station until it is judged that the signal strength value of the corresponding slave station meets the requirements greater than or equal to the preset threshold value, then add the corresponding slave station to the list of communicable slave stations, and add the corresponding slave station to the list of communicable slave stations. The slave station information in is transmitted to the operation and display module for display.
根据本发明的另一个方面,其提供了一种用于对高速摄像机进行触发的控制方法,包括以下步骤:According to another aspect of the present invention, it provides a control method for triggering a high-speed camera, comprising the following steps:
S1、进行网络检测S1. Perform network detection
通过操作和显示模块给第一信号处理模块发出网络检测指令,第一信号处理模块收到该指令后,给1号从站中的第二信号处理模块发送1号从站是否在线的请求,当收到1号从站中的第二信号处理模块返回的1号从站在线应答后,将1号从站加入从站库,并将从站库中的在线从站的数据信息发送给所述操作和显示模块进行结果显示;依次类推,第一信号处理模块依次执行2-N号从站是否在线的网络检测,并将从站库中的在线从站信息发送给操作和显示模块进行结果显示;Send a network detection instruction to the first signal processing module through the operation and display module. After receiving the instruction, the first signal processing module sends a request whether the No. 1 slave station is online to the second signal processing module in the No. 1 slave station. After receiving the No. 1 slave station online response returned by the second signal processing module in the No. 1 slave station, add the No. 1 slave station to the slave station library, and send the data information of the online slave station in the slave station library to the The operation and display module displays the results; and so on, the first signal processing module sequentially executes the network detection of whether the No. 2-N slave stations are online, and sends the online slave station information in the slave station library to the operation and display module for result display ;
如果根据操作和显示模块显示的在线从站信息判断出其中的某个某几个从站不在线,则调整对应从站相对于主站的位置,并通过操作和显示模块给第一信号处理模块发出针对不在线从站的网络检测指令,由第一信号处理模块执行相应从站的网络检测,直至根据操作和显示模块显示的在线从站信息判断出所有的从站都在线为止;If it is judged that some of the slave stations are not online according to the online slave station information displayed by the operation and display module, then adjust the position of the corresponding slave station relative to the master station, and send the signal to the first signal processing module through the operation and display module. Issue a network detection command for the offline slave station, and the first signal processing module executes the network detection of the corresponding slave station until it is judged that all the slave stations are online according to the online slave station information displayed by the operation and display module;
S2、进行信号强度测试S2. Perform signal strength test
通过操作和显示模块给第一信号处理模块发出信号强度测试指令;第一信号处理模块收到该指令后,给从站库中的1号从站中的第二信号处理模块发送测试信号,1号从站中的第二信号处理模块对收到的测试信号进行信号强度测试,并将测试得到的信号强度值返回给第一信号处理模块;第一信号处理模块将该信号强度值传送给操作和显示模块进行显示,将该信号强度值与第一信号处理模块中预设的阈值进行比较,并将比较结果提供给操作和显示模块进行显示,如果1号从站返回的信号强度值大于等于预设的阈值,第一信号处理模块将1号从站加入到可通信从站列表中,并将可通信从站列表中的从站信息传送给操作和显示模块进行显示;如果1号从站返回的信号强度值小于预设的阈值,则继续对后面的从站进行信号强度检测,直至完成对所有从站的信号强度测试;Send a signal strength test instruction to the first signal processing module through the operation and display module; after receiving the instruction, the first signal processing module sends a test signal to the second signal processing module in the No. 1 slave station in the slave station library, 1 The second signal processing module in the No. slave station performs a signal strength test on the received test signal, and returns the signal strength value obtained by the test to the first signal processing module; the first signal processing module transmits the signal strength value to the operation Display with the display module, compare the signal strength value with the preset threshold in the first signal processing module, and provide the comparison result to the operation and display module for display, if the signal strength value returned by No. 1 slave station is greater than or equal to The preset threshold value, the first signal processing module adds No. 1 slave station to the list of communicable slave stations, and transmits the slave station information in the list of communicable slave stations to the operation and display module for display; if No. 1 slave station If the returned signal strength value is less than the preset threshold value, continue to perform signal strength detection on the following slave stations until the signal strength test on all slave stations is completed;
当根据操作和显示模块显示的信息判断出某个或某几个从站返回的信号强度值小于预设的阈值,则调整相应从站相对于主站的位置,直至经检测相应从站返回的信号强度值大于等于预设的阈值,并由第一信号处理模块将相应从站加入到可通信从站列表中,同时将从站列表中的从站信息传送给操作和显示模块进行显示;When it is judged according to the information displayed by the operation and display module that the signal strength value returned by one or several slave stations is less than the preset threshold value, then adjust the position of the corresponding slave station relative to the master station until the signal strength value returned by the corresponding slave station is detected. The signal strength value is greater than or equal to the preset threshold, and the first signal processing module adds the corresponding slave station to the list of communicable slave stations, and simultaneously transmits the slave station information in the slave station list to the operation and display module for display;
S3、选择触发模式和触发控制模式S3. Select trigger mode and trigger control mode
通过操作和显示模块选择单路触发模式、同步触发模式和延时触发模式中的任一种,其中:Select any one of single trigger mode, synchronous trigger mode and delay trigger mode through the operation and display module, where:
S31、如果选择单路触发模式,则继续通过操作和显示模块从N个从站中选择第M个从站作为待触发对象,1≤M≤N;第一信号处理模块收到操作和显示模块的指令后,给第M号从站中的第二信号处理模块发送等待触发的请求,并在收到第二信号处理模块返回的准备就绪的应答后,将应答信息发送给所述操作和显示模块进行显示;接下来,通过操作和显示模块给第一信号处理模块发出对第M号从站进行触发控制或触发复位控制的指令,第一信号处理模块收到指令后,给第M号从站中的第二信号处理模块发送触发或触发复位的请求,第二信号处理模块对高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示;S31. If the single-channel trigger mode is selected, continue to select the Mth slave station from the N slave stations as the object to be triggered through the operation and display module, 1≤M≤N; the first signal processing module receives the operation and display module After the command, send a request to the second signal processing module in the Mth slave station to wait for the trigger, and after receiving the ready response returned by the second signal processing module, send the response information to the operation and display module to display; next, through the operation and display module, the first signal processing module sends an instruction to perform trigger control or trigger reset control on the Mth slave station. After the first signal processing module receives the instruction, it sends the Mth slave station The second signal processing module in the station sends a request for triggering or triggering reset, and the second signal processing module controls the triggering or triggering reset of the high-speed camera. After the high-speed camera completes the triggering or triggering reset, it returns a trigger completion signal or The trigger reset completion signal, the second signal processing module encodes and modulates the trigger completion signal or the trigger reset completion signal to the first signal processing module and sends a trigger completion or trigger reset completion response, and the first signal processing module sends a corresponding The response information is sent to the operation and display module for display;
S32、如果选择同步触发模式或者延时触发模式,则通过操作和显示模块从N个从站中选择多个从站作为待触发对象,第一信号处理模块收到指令后,依次给所选择的多个从站中的第二信号处理模块发送等待触发的请求,并在依次收到这些从站中的第二信号处理模块返回的准备就绪的应答后,将应答信息发送给操作和显示模块进行显示;其中,S32. If the synchronous trigger mode or the delay trigger mode is selected, a plurality of slave stations are selected from N slave stations as objects to be triggered through the operation and display module. The second signal processing modules in the multiple slave stations send requests to wait for the trigger, and after receiving the ready responses returned by the second signal processing modules in these slave stations in turn, send the response information to the operation and display module for further processing. display; where,
在同步触发的情况下,当通过操作和显示模块给第一信号处理模块发出触发控制或触发复位控制的指令时,第一信号处理模块同时给所选择的多个从站中的第二信号处理模块发送触发或触发复位的请求,该多个从站中的第二信号处理模块对相应的高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,各个从站中的第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后,依次给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示;In the case of synchronous triggering, when an instruction of trigger control or trigger reset control is sent to the first signal processing module through the operation and display module, the first signal processing module simultaneously processes the second signals of the selected multiple slave stations The module sends a request for triggering or triggering reset, and the second signal processing module in the plurality of slave stations performs triggering or triggering reset control on the corresponding high-speed cameras. After the high-speed camera completes triggering or triggering reset, it returns trigger completion to the second signal processing module Signal or trigger reset completion signal, after the second signal processing module in each slave station encodes and modulates the trigger completion signal or trigger reset completion signal, it sends a trigger completion or trigger reset completion response to the first signal processing module in turn , the first signal processing module sends corresponding response information to the operation and display module for display;
在延时触发的情况下,通过所述操作和显示模块给第一信号处理模块发出触发控制或触发复位控制的指令,第一信号处理模块收到指令后,同时给所选择的多个从站中的第二信号处理模块发送触发或触发复位的请求,当执行触发时,该多个从站中的第二信号处理模块根据预设的延时时间间隔触发相应的高速摄像机,高速摄像机完成触发后给对应从站中的第二信号处理模块返回触发完成信号,第二信号处理模块对触发完成信号进行编码和调制处理后,给第一信号处理模块发送触发完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示;当执行触发复位时,该多个从站中的第二信号处理模块对相应的高速摄像机触发复位控制,高速摄像机完成触发复位后给对应从站中的第二信号处理模块返回触发复位完成信号,第二信号处理模块对触发复位完成信号进行编码和调制处理后,给第一信号处理模块发送触发复位完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示。In the case of delayed triggering, the operation and display module sends an instruction for trigger control or trigger reset control to the first signal processing module. After receiving the instruction, the first signal processing module simultaneously sends the The second signal processing module in the station sends a trigger or trigger reset request. When the trigger is executed, the second signal processing module in the multiple slave stations triggers the corresponding high-speed camera according to the preset delay time interval, and the high-speed camera completes the trigger Finally, the trigger completion signal is returned to the second signal processing module in the corresponding slave station. After the second signal processing module encodes and modulates the trigger completion signal, it sends a trigger completion response to the first signal processing module. The first signal processing module Send the corresponding response information to the operation and display module for display; when the trigger reset is executed, the second signal processing module in the plurality of slave stations will trigger reset control for the corresponding high-speed cameras, and the high-speed cameras will send corresponding slaves after the trigger reset is completed. The second signal processing module in the station returns the trigger reset completion signal, and after the second signal processing module encodes and modulates the trigger reset completion signal, it sends a trigger reset completion response to the first signal processing module, and the first signal processing module sends The corresponding response information is sent to the operation and display module for display.
与现有技术相比,根据本发明的用于高速摄像机触发的无线控制系统及控制方法具备有益的技术效果:Compared with the prior art, the wireless control system and control method for high-speed camera triggering according to the present invention have beneficial technical effects:
(1)控制和显示模块:作为无线控制系统的控制输入端和状态显示端,自主完成人机界面设计、功能模块设计、安装结构设计;该模块操作灵活性高、可靠性高,执行失误率低,能够实现触发控制和触发反馈的实时显示;(1) Control and display module: As the control input terminal and status display terminal of the wireless control system, it independently completes the design of the human-machine interface, functional module design, and installation structure design; this module has high operational flexibility, high reliability, and low execution error rate Low, real-time display of trigger control and trigger feedback can be realized;
(2)主站和从站的通信功能实现:采用一对一的主站请求、从站应答模式完成主站和从站的通信功能,包括:①请求:实现主站对从站的请求信号,包括从站是否在线、从站的信号强度、从站的触发模式(单路触发模式、同步触发模式和延时触发模式)、从站的触发控制模式(触发、触发复位);②应答:实现从站对主站请求信号的应答,包括从站是否在线应答、从站信号强度应答、从站的触发模式应答、从站的触发控制模式应答等;(2) Realization of the communication function between the master station and the slave station: use the one-to-one master station request and slave station response mode to complete the communication function between the master station and the slave station, including: ①Request: realize the request signal from the master station to the slave station , including whether the slave is online, the signal strength of the slave, the trigger mode of the slave (single trigger mode, synchronous trigger mode and delay trigger mode), the trigger control mode of the slave station (trigger, trigger reset); ② Response: Realize the response of the slave station to the request signal of the master station, including whether the slave station is online, the signal strength response of the slave station, the trigger mode response of the slave station, the trigger control mode response of the slave station, etc.;
(3)主站和从站的信号处理模块:作为无线控制系统的执行机构,自主完成各种请求信号和应答信号的获取、识别、编码、调制、传输、解调、解码、执行等功能设计;信号处理模块执行安全性高、可靠性高;(3) Signal processing module of master station and slave station: as the executive body of the wireless control system, it independently completes the acquisition, identification, coding, modulation, transmission, demodulation, decoding, execution and other functional design of various request signals and response signals ;The signal processing module has high execution security and high reliability;
(4)该系统不仅能实现高速摄像机的单路触发、同步触发和延时触发功能,又能够远距离实时监测高速摄像机的触发状态和进行触发复位,大大提高了高速摄像机的使用范围和使用性能。(4) The system can not only realize the single-channel trigger, synchronous trigger and delay trigger functions of the high-speed camera, but also can monitor the trigger status of the high-speed camera in real time from a distance and perform trigger reset, which greatly improves the use range and performance of the high-speed camera .
附图说明Description of drawings
图1为根据本发明的控制系统和控制方法的控制原理示意图;Fig. 1 is a schematic diagram of the control principle according to the control system and control method of the present invention;
图2为根据本发明的操作和显示模块的原理图;Figure 2 is a schematic diagram of the operation and display module according to the present invention;
图3a-图3e为根据本发明的方法中各个步骤对应的流程示意图。3a-3e are schematic flowcharts corresponding to each step in the method according to the present invention.
具体实施方式detailed description
下面将结合附图和具体实施例对根据本发明的用于高速摄像机触发的无线控制系统及控制方法做进一步详细的说明。The wireless control system and control method for high-speed camera triggering according to the present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments.
如图1所示,本发明的无线控制系统包括主站1和从站2,其中,主站1用于实现触发控制和状态指示,包括操作和显示模块3和第一信号处理模块4。从站2用于实现触发执行和反馈状态,每个从站2都包括一个第二信号处理模块5,第二信号处理模块5连接至高速摄像机6。As shown in FIG. 1 , the wireless control system of the present invention includes a master station 1 and a slave station 2 , wherein the master station 1 is used for trigger control and status indication, and includes an operation and display module 3 and a first signal processing module 4 . The slave stations 2 are used to implement trigger execution and feedback status, and each slave station 2 includes a second signal processing module 5 connected to a high-speed camera 6 .
其中,操作和显示模块3用于:给第一信号处理模块4发出网络检测和信号强度测试指令、进行触发模式选择和触发控制模式选择、以及根据所选择的触发模式和触发控制模式给第一信号处理模块4发出相应的指令。其中,触发模式包括单路触发模式、同步触发模式和延时触发模式,触发控制模式包括触发控制和触发复位控制。操作和显示模块3还实时显示第一信号处理模块4返回的各种信息。此外,操作和显示模块3还用于提供获得整个无线控制系统的操作流程的系统帮助。Wherein, the operation and display module 3 is used to: issue network detection and signal strength test instructions to the first signal processing module 4, perform trigger mode selection and trigger control mode selection, and give the first signal according to the selected trigger mode and trigger control mode. The signal processing module 4 issues corresponding instructions. Among them, the trigger mode includes single trigger mode, synchronous trigger mode and delay trigger mode, and the trigger control mode includes trigger control and trigger reset control. The operation and display module 3 also displays various information returned by the first signal processing module 4 in real time. In addition, the operation and display module 3 is also used to provide system assistance for obtaining the operation process of the entire wireless control system.
在实际使用过程中,操作人员可以通过学习操作和显示模块3中的系统帮助的详细信息,快速掌握整个无线控制系统的操作步骤和操作注意事项,以便在后续的试验中准确可靠地实现高速摄像机的触发控制。In actual use, the operator can quickly grasp the operation steps and operation precautions of the entire wireless control system by learning the detailed information of the system help in the operation and display module 3, so that the high-speed camera can be accurately and reliably implemented in subsequent tests trigger control.
第一信号处理模块4收到操作和显示模块3的网络检测指令后,依次给N个从站中的第二信号处理模块5发送从站是否在线的请求;当收到各个从站中的第二信号处理模块5返回的从站在线应答后,将相应从站加入从站库,并将从站库中的在线从站的数据信息发送给操作和显示模块3进行结果显示。After the first signal processing module 4 receives the network detection instruction of the operation and display module 3, it sends a request whether the slave station is online to the second signal processing module 5 in the N slave stations in turn; Second, after the online response of the slave station returned by the signal processing module 5, the corresponding slave station is added to the slave station library, and the data information of the online slave station in the slave station library is sent to the operation and display module 3 for result display.
在第一信号处理模块4执行网络检测指令的过程中,当给其中的某个从站中的第二信号处理模块5发送了从站是否在线的请求后,如果超过预设的等待时间仍未收到应答,则跳过该从站,继续给下一个从站发送从站是否在线的请求,进行从站是否在线的网络检测;并且,在执行完对N个从站的网络检测后,当收到操作和显示模块3发出的针对不在线的从站的网络检测指令后,继续对该从站进行网络检测,并在收到从站中的第二信号处理模块返回的从站在线应答后,将该从站加入从站库,同时将从站库中的在线从站的数据信息发送给所述操作和显示模块3进行结果显示。In the process that the first signal processing module 4 executes the network detection instruction, after sending the request whether the slave station is online to the second signal processing module 5 in one of the slave stations, if the preset waiting time is exceeded, the After receiving the response, skip the slave station, continue to send the request of whether the slave station is online to the next slave station, and perform the network detection of whether the slave station is online; and, after performing the network detection of N slave stations, when After receiving the network detection instruction for the offline slave station sent by the operation and display module 3, continue to perform network detection on the slave station, and after receiving the slave station online response returned by the second signal processing module in the slave station , adding the slave station to the slave station library, and at the same time, sending the data information of the online slave stations in the slave station library to the operation and display module 3 for result display.
实践中,可以通过在操作和显示模块3上用信号灯的方式对各个从站是否在线的信息进行实时显示,例如,对于经检测在线的从站,使其相应的指示灯变亮,而对不在线的从站的指示灯不亮。如此,操作人员能够方便地识别哪个从站不在线。而对于经检测不在线的从站,通过调整从站相对于主站的位置,并再次给第一信号处理模块发出对相关从站进行在线检测的指令,使得这些不在线的从站在线,如此,可以保证所有的从站都在线。In practice, the information on whether each slave station is online can be displayed in real time by means of signal lamps on the operation and display module 3, for example, for the detected online slave station, its corresponding indicator light is brightened, The indicator of the slave station that is online does not light up. In this way, the operator can easily identify which slave station is not online. For the slave stations that are detected to be offline, by adjusting the position of the slave stations relative to the master station, and sending an instruction to the first signal processing module to perform online detection on the relevant slave stations, these offline slave stations are online, so , to ensure that all slaves are online.
接下来对所有在线的从站进行信号强度的检测,以保证所有在线的从站都能满足信号强度的要求,从而能够顺利地与主站进行通信。Next, detect the signal strength of all online slave stations to ensure that all online slave stations can meet the signal strength requirements, so that they can communicate with the master station smoothly.
第一信号处理模块4收到操作和显示模块3的信号强度测试指令后,依次给从站库中的每一个从站的第二信号处理模块5发送测试信号,各个从站中的第二信号处理模块5对收到的测试信号进行信号强度测试,并将测试得到的信号强度值返回给第一信号处理模块4,第一信号处理模块4将该信号强度值传送给操作和显示模块3进行显示,将该信号强度值与第一信号处理模块4中预设的阈值进行比较,并将比较结果提供给操作和显示模块3进行显示。并且,如果经比较,该从站返回的信号强度值大于等于预设的阈值时,第一信号处理模块4将对应的从站加入到可通信从站列表中,并将可通信从站列表中的从站信息传送给操作和显示模块3进行显示,如果从站返回的信号强度值小于预设的阈值,则继续对后面的从站进行信号强度检测,直至完成对所有从站的信号强度测试。After the first signal processing module 4 receives the signal strength test instruction of the operation and display module 3, it sends test signals to the second signal processing module 5 of each slave station in the slave station storehouse in turn, and the second signal in each slave station The processing module 5 performs a signal strength test on the received test signal, and returns the signal strength value obtained by the test to the first signal processing module 4, and the first signal processing module 4 transmits the signal strength value to the operation and display module 3 for further processing. To display, compare the signal strength value with the preset threshold in the first signal processing module 4, and provide the comparison result to the operation and display module 3 for display. And, if after comparison, the signal strength value returned by the slave station is greater than or equal to the preset threshold, the first signal processing module 4 will add the corresponding slave station to the list of communicable slave stations, and add the corresponding slave station to the list of communicable slave stations. The slave station information is sent to the operation and display module 3 for display, if the signal strength value returned by the slave station is less than the preset threshold value, then continue to perform signal strength detection on the following slave stations until the signal strength test for all slave stations is completed .
并且在执行完对所有从站的信号强度测试后,如果又收到操作和显示模块3发出的针对信号强度值不符合要求的从站的信号强度测试指令后,继续对该从站进行信号强度测试,直至经判断相应从站的信号强度值满足大于等于预设的阈值的要求后,将相应从站加入到可通信从站列表中,并将可通信从站列表中的从站信息传送给操作和显示模块3进行显示。And after executing the signal strength test to all slave stations, if you receive the signal strength test instruction for the slave station whose signal strength value does not meet the requirements issued by the operation and display module 3, continue to test the signal strength of the slave station. Test until it is judged that the signal strength value of the corresponding slave station meets the requirements greater than or equal to the preset threshold, add the corresponding slave station to the list of communicable slave stations, and send the slave station information in the list of communicable slave stations to The operation and display module 3 performs display.
实践中,可以通过在操作和显示模块3上用信号强度数值和信号灯的方式对从站库中的每一个从站的信号强度信息进行实时显示,例如,对于信号强度强的从站,其信号强度数值大,同时信号灯亮,而对于信号强度弱的从站,其信号强度数值小,同时信号灯不亮。如此,操作人员能够方便地识别哪个从站信号强度强。对于检测信号强度不满足要求的从站,通过调整其相对于从站的位置关系,便可以实现所有从站都能顺利地与主站进行通信的目的。In practice, the signal strength information of each slave station in the slave station library can be displayed in real time by means of signal strength values and signal lights on the operation and display module 3, for example, for a slave station with strong signal strength, its signal When the strength value is large, the signal light is on at the same time, and for the slave station with weak signal strength, the signal strength value is small, and the signal light is not on at the same time. In this way, the operator can easily identify which slave station has a strong signal strength. For the slave stations whose detection signal strength does not meet the requirements, by adjusting their positional relationship relative to the slave stations, all slave stations can communicate with the master station smoothly.
在确保所有从站都能够正常地与主站进行通信后,接下来进行触发模式和触发控制模式的选择。After ensuring that all slave stations can normally communicate with the master station, the next step is to select the trigger mode and trigger control mode.
当收到操作和显示模块3的触发第M号从站,1≤M≤N,的单路触发模式指令时,第一信号处理模块4给第M号从站中的第二信号处理模块5发送等待触发的请求,并在收到第二信号处理模块5返回的准备就绪的应答后,将应答信息发送给操作和显示模块3进行显示。并且收到操作和显示模块3的触发控制或触发复位控制指令时,第一信号处理模块4给第M号从站中的第二信号处理模块5发送触发或触发复位的请求,第二信号处理模块5对高速摄像机6进行触发或触发复位控制,高速摄像机6完成触发或触发复位后给第二信号处理模块5返回触发完成信号或触发复位完成信号,第二信号处理模块5对该触发完成信号或触发复位完成信号进行编码和调制处理后给第一信号处理模块4发送触发完成或触发复位完成的应答,第一信号处理模块4将相应的应答信息发送给操作和显示模块3进行显示。When the operation and display module 3 triggers the Mth slave station, 1≤M≤N, when the single trigger mode instruction is received, the first signal processing module 4 sends the second signal processing module 5 in the Mth slave station Send a request to wait for a trigger, and after receiving the ready response returned by the second signal processing module 5 , send the response information to the operation and display module 3 for display. And when receiving the trigger control or trigger reset control instruction of the operation and display module 3, the first signal processing module 4 sends a trigger or trigger reset request to the second signal processing module 5 in the No. M slave station, and the second signal processing module Module 5 performs triggering or triggering reset control to high-speed camera 6. After high-speed camera 6 completes triggering or triggering reset, it returns a triggering completion signal or triggering reset completion signal to second signal processing module 5, and second signal processing module 5 completes the triggering signal. Or the trigger reset completion signal is encoded and modulated and then sent to the first signal processing module 4 for a response of trigger completion or trigger reset completion, and the first signal processing module 4 sends the corresponding response information to the operation and display module 3 for display.
实践中,可以通过在操作和显示模块3上先选择单路触发模式,再选择第M号从站,1≤M≤N,用信号灯的方式对第M号从站的等待触发、触发控制信息进行实时显示,例如,点击操作和显示模块的等待触发按钮,第一信号处理模块给第二信号处理模块发送等待触发的请求,收到第二信号处理模块返回的准备就绪的应答后,等待触发按钮的指示灯变亮,点击操作和显示模块的触发或触发复位按钮后,第一信号处理模块给第二信号处理模块发送触发或触发复位的请求,第二信号处理模块对高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后给第一信号处理模块发送触发完成或触发复位完成的应答,收到第二信号处理模块返回的准备就绪的应答后,触发或触发复位的指示灯变亮。如此,操作人员能够方便地识别第M号从站是否触发或触发复位。In practice, you can first select the single-channel trigger mode on the operation and display module 3, and then select the Mth slave station, 1≤M≤N, and use the signal lamp to wait for the trigger and trigger control information of the Mth slave station Real-time display, for example, click the wait trigger button of the operation and display module, the first signal processing module sends a request to wait for trigger to the second signal processing module, and waits for the trigger after receiving the ready response returned by the second signal processing module The indicator light of the button turns bright, and after clicking the trigger or trigger reset button of the operation and display module, the first signal processing module sends a trigger or trigger reset request to the second signal processing module, and the second signal processing module triggers or triggers the high-speed camera. Trigger reset control, after the high-speed camera completes triggering or trigger reset, it returns a trigger completion signal or a trigger reset completion signal to the second signal processing module, and the second signal processing module encodes and modulates the trigger completion signal or trigger reset completion signal to the The first signal processing module sends a trigger complete or trigger reset complete response, and after receiving the ready response returned by the second signal processing module, the trigger or trigger reset indicator lights up. In this way, the operator can easily identify whether the Mth slave station triggers or triggers reset.
当收到操作和显示模块3发出的触发多个从站的同步触发模式或者延时触发模式指令时,第一信号处理模块4依次给所选择的该多个从站中的第二信号处理模块5发送等待触发的请求,并在依次收到这些从站中的第二信号处理模块5返回的准备就绪的应答后,将应答信息发送给操作和显示模块3进行显示;其中:When receiving the synchronous trigger mode or delay trigger mode instruction of triggering multiple slave stations issued by the operation and display module 3, the first signal processing module 4 sequentially sends the second signal processing module in the selected multiple slave stations 5. Send a request waiting for a trigger, and after receiving the ready responses returned by the second signal processing module 5 in these slave stations in turn, send the response information to the operation and display module 3 for display; wherein:
(1)在同步触发模式的情况下,当又收到操作和显示模块3的触发控制或触发复位控制指令时,第一信号处理模块4同时给所选择的该多个从站中的第二信号处理模块5发送触发或触发复位的请求,该多个从站中的第二信号处理模块5对相应的高速摄像机6进行触发或触发复位控制,高速摄像机6完成触发或触发复位后给第二信号处理模块5返回触发完成信号或触发复位完成信号,各个从站中的第二信号处理模块5对该触发完成信号或触发复位完成信号进行编码和调制处理后,依次给第一信号处理模块4发送触发完成或触发复位完成的应答,第一信号处理模块4将相应的应答信息发送给操作和显示模块3进行显示;(1) In the case of the synchronous trigger mode, when receiving the trigger control or trigger reset control instruction of the operation and display module 3, the first signal processing module 4 simultaneously sends the signal to the second selected slave station. The signal processing module 5 sends a request for triggering or triggering reset, and the second signal processing module 5 in the plurality of slave stations triggers or triggers the reset control for the corresponding high-speed camera 6, and the high-speed camera 6 completes triggering or triggering reset. The signal processing module 5 returns the trigger completion signal or the trigger reset completion signal, and the second signal processing module 5 in each slave station encodes and modulates the trigger completion signal or the trigger reset completion signal, and then sends them to the first signal processing module 4 in turn. Send the response that the trigger is completed or the trigger reset is completed, and the first signal processing module 4 sends the corresponding response information to the operation and display module 3 for display;
(2)在延时触发模式的情况下,当又收到操作和显示模块3的触发控制或触发复位控制模式指令时,第一信号处理模块4同时给该多个从站中的第二信号处理模块5发送触发或触发复位的请求。其中:(2) In the case of the delay trigger mode, when receiving the trigger control or trigger reset control mode instruction of the operation and display module 3, the first signal processing module 4 simultaneously gives the second signal in the plurality of slave stations The processing module 5 sends a request to trigger or trigger a reset. in:
(21)当执行触发时,该多个从站中的第二信号处理模块5根据预设的延时时间间隔触发相应的高速摄像机6,高速摄像机6完成触发后给对应从站中的第二信号处理模块5返回触发完成信号,第二信号处理模块5对触发完成信号进行编码和调制处理后,给第一信号处理模块4发送触发完成的应答,第一信号处理模块4将相应的应答信息发送操作和显示模块3进行显示;(21) When triggering is performed, the second signal processing module 5 in the plurality of slave stations triggers the corresponding high-speed camera 6 according to the preset delay time interval, and the high-speed camera 6 sends the signal to the second signal processing module in the corresponding slave station after the trigger is completed. The signal processing module 5 returns the trigger completion signal, and after the second signal processing module 5 encodes and modulates the trigger completion signal, it sends a trigger completion response to the first signal processing module 4, and the first signal processing module 4 sends the corresponding response information Send operation and display module 3 to display;
(22)当执行触发复位时,该多个从站中的第二信号处理模块5对相应的高速摄像机6触发复位控制,高速摄像机6完成触发复位后给对应从站中的第二信号处理模块5返回触发复位完成信号,第二信号处理模块5对触发复位完成信号进行编码和调制处理后,给第一信号处理模块4发送触发复位完成的应答,第一信号处理模块4将相应的应答信息发送给操作和显示模块3进行显示。(22) When performing trigger reset, the second signal processing module 5 in the plurality of slave stations triggers reset control to the corresponding high-speed camera 6, and the high-speed camera 6 gives the second signal processing module in the corresponding slave station after completing the trigger reset 5. Return the trigger reset completion signal. After the second signal processing module 5 encodes and modulates the trigger reset completion signal, it sends a trigger reset completion response to the first signal processing module 4, and the first signal processing module 4 sends the corresponding response information to the first signal processing module 4. Send to the operation and display module 3 for display.
实践中,可以通过在操作和显示模块3上先选择同步触发或延时触发模式,再选择触发M个从站,1≤M≤N,用信号灯的方式对M个从站的等待触发、触发控制信息进行实时显示,例如,点击操作和显示模块的等待触发按钮,第一信号处理模块给M个从站的第二信号处理模块发送等待触发的请求,收到M个从站的第二信号处理模块返回的准备就绪的应答后,M个从站的等待触发按钮的指示灯变亮,在延时触发模式下需要手动输入M个从站的延时时间,其中:In practice, you can first select the synchronous trigger or delay trigger mode on the operation and display module 3, and then choose to trigger M slave stations, 1≤M≤N, and use signal lights to wait for and trigger M slave stations. Real-time display of control information, for example, click the wait-to-trigger button of the operation and display module, the first signal processing module sends a request to wait for trigger to the second signal processing module of M slave stations, and receives the second signal of M slave stations After processing the ready response returned by the module, the indicator lights of the waiting trigger buttons of the M slave stations will light up. In the delay trigger mode, the delay time of the M slave stations needs to be manually input, among which:
(1)在同步触发模式下,点击操作和显示模块的触发或触发复位按钮后,第一信号处理模块给M个从站的第二信号处理模块发送触发或触发复位的请求,M个从站的第二信号处理模块对高速摄像机同时进行触发或触发复位控制,高速摄像机完成触发或触发复位后给M个从站的第二信号处理模块返回触发完成信号或触发复位完成信号,M个从站的第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后,依次给第一信号处理模块发送触发完成或触发复位完成的应答,收到M个从站的第二信号处理模块返回的准备就绪的应答后,M个从站的触发或触发复位的指示灯变亮。如此,操作人员能够方便地识别M个从站的从站是否触发或触发复位。(1) In synchronous trigger mode, after clicking the trigger or trigger reset button of the operation and display module, the first signal processing module sends a trigger or trigger reset request to the second signal processing module of the M slave stations, and the M slave stations The second signal processing module of the high-speed camera simultaneously triggers or triggers reset control. After the high-speed camera completes the trigger or trigger reset, it returns the trigger completion signal or the trigger reset completion signal to the second signal processing module of M slave stations. M slave stations After the second signal processing module encodes and modulates the trigger completion signal or trigger reset completion signal, it sends trigger completion or trigger reset completion responses to the first signal processing module in turn, and receives second signals from M slave stations After processing the ready response returned by the module, the trigger or trigger reset indicator lights of M slave stations will be on. In this way, the operator can conveniently identify whether a slave station of the M slave stations triggers or triggers a reset.
(2)在延时触发模式下,点击操作和显示模块的触发按钮后,M个从站的第二信号处理模块根据预设的延时时间间隔触发相应的高速摄像机,高速摄像机完成触发后给对应从站中的第二信号处理模块返回触发完成信号,第二信号处理模块对触发完成信号进行编码和调制处理后,给第一信号处理模块发送触发完成的应答,第一信号处理模块将相应的应答信息发送操作和显示模块3进行显示,操作和显示模块上M个从站的触发指示灯变亮;点击操作和显示模块的触发复位按钮后,M个从站的第二信号处理模块对相应的高速摄像机进行触发复位,高速摄像机完成触发复位后给对应从站中的第二信号处理模块返回触发复位完成信号,第二信号处理模块对触发复位完成信号进行编码和调制处理后,给第一信号处理模块发送触发复位完成的应答,第一信号处理模块将相应的应答信息发送操作和显示模块3进行显示,操作和显示模块上M个从站的触发复位指示灯变亮。如此,操作人员能够方便地识别M个从站的从站是否触发或触发复位。(2) In the delay trigger mode, after clicking the trigger button of the operation and display module, the second signal processing modules of the M slave stations will trigger the corresponding high-speed cameras according to the preset delay time interval, and the high-speed cameras will be given after the triggering is completed. The second signal processing module in the corresponding slave station returns the trigger completion signal, and after the second signal processing module encodes and modulates the trigger completion signal, it sends a trigger completion response to the first signal processing module, and the first signal processing module responds accordingly The response information is sent by the operation and display module 3 for display, and the trigger indicator lights of the M slave stations on the operation and display module are brightened; after clicking the trigger reset button of the operation and display module, the second signal processing modules of the M slave stations are The corresponding high-speed camera performs a trigger reset. After the high-speed camera completes the trigger reset, it returns a trigger reset completion signal to the second signal processing module in the corresponding slave station. After the second signal processing module encodes and modulates the trigger reset completion signal, it sends the signal to the second A signal processing module sends a response that the trigger reset is completed, and the first signal processing module sends the corresponding response information to the operation and display module 3 for display, and the trigger reset indicators of the M slave stations on the operation and display module light up. In this way, the operator can conveniently identify whether a slave station of the M slave stations triggers or triggers a reset.
在根据本发明的一个具体实施例中,操作和显示模块采用液晶触摸屏,第一信号处理模块包括第一可编程逻辑控制器、第一无线数传电台、以及第一全向天线。第二信号处理模块包括第二可编程逻辑控制器、第二无线数传电台、以及第二全向天线。第一可编程逻辑控制器接收来自液晶触摸屏的各种控制指令,并依次通过第一无线数传电台、第一全向天线、第二全向天线、第二无线数传电台给第二信号处理模块中的第二可编程逻辑控制器发送相应的请求信号。其中,当主站给从站发送信息时,第一无线数传电台对接收自第一可编程逻辑控制器的信号进行编码和调制处理,第二无线数传电台对接收自第二全向天线的信号进行解调和解码处理;当从站给主站返回信息时,第二可编程逻辑控制器对高速摄像机返回的信息进行获取、识别后发给第二无线数传电台,第二无线数传电台对来自第二可编程逻辑控制器的信息进行编码和调制处理后发给第二全向天线,第一无线数传电台还要对第二全向天线经第一全向天线传送的信号进行解码和解调处理后再传送给第一可编程逻辑控制器进行相应的处理。In a specific embodiment of the present invention, the operation and display module adopts a liquid crystal touch screen, and the first signal processing module includes a first programmable logic controller, a first wireless data transmission station, and a first omnidirectional antenna. The second signal processing module includes a second programmable logic controller, a second wireless data transmission station, and a second omnidirectional antenna. The first programmable logic controller receives various control instructions from the LCD touch screen, and sequentially passes through the first wireless data transmission station, the first omnidirectional antenna, the second omnidirectional antenna, and the second wireless data transmission station to the second signal processing A second programmable logic controller in the module sends a corresponding request signal. Among them, when the master station sends information to the slave station, the first wireless data transmission station encodes and modulates the signal received from the first programmable logic controller, and the second wireless data transmission station encodes and modulates the signal received from the second omnidirectional antenna The signal is demodulated and decoded; when the slave station returns information to the master station, the second programmable logic controller acquires and recognizes the information returned by the high-speed camera and sends it to the second wireless data transmission station, and the second wireless data transmission station The transmission station encodes and modulates the information from the second programmable logic controller and sends it to the second omnidirectional antenna, and the first wireless data transmission station also transmits the signal transmitted by the second omnidirectional antenna through the first omnidirectional antenna After being decoded and demodulated, it is sent to the first programmable logic controller for corresponding processing.
如图2所示,操作和显示模块用来实现网络检测、信号强度测试、触发模式选择和触发控制模式选择、系统帮助,实时显示系统的各种信息,并在操作人员点击系统帮助指令后显示系统的操作流程。As shown in Figure 2, the operation and display module is used to realize network detection, signal strength test, trigger mode selection and trigger control mode selection, system help, real-time display of various information of the system, and display after the operator clicks the system help command System operation process.
结合图3a-图3e所示,根据本发明的方法的流程如下:As shown in Fig. 3a-Fig. 3e, the process flow of the method according to the present invention is as follows:
第一步、系统的放置The first step, the placement of the system
主站放置在固定位置,从站放置在试验现场,高速摄像机与从站连接,主站和从站的距离最远可达5km。The master station is placed in a fixed position, the slave station is placed at the test site, the high-speed camera is connected with the slave station, and the distance between the master station and the slave station can reach up to 5km.
第二步、系统的上电The second step, power on the system
开启电源,主站和从站准备开始工作。Turn on the power, the master and slave are ready to work.
第三步、执行系统帮助指令The third step is to execute the system help command
操作人员通过操作和显示模块的系统帮助指令获得整个无线控制系统的操作流程,方便操作人员熟悉整个操作流程。The operator obtains the operation process of the entire wireless control system through the system help command of the operation and display module, which is convenient for the operator to be familiar with the entire operation process.
第四步、进行网络检测Step 4: Perform network detection
通过操作和显示模块给第一信号处理模块发出网络检测指令,第一信号处理模块收到该指令后,给1号从站中的第二信号处理模块发送1号从站是否在线的请求,当收到1号从站中的第二信号处理模块返回的1号从站在线应答后,将1号从站加入从站库,并将从站库中的在线从站的数据信息发送给所述操作和显示模块进行结果显示;依次类推,第一信号处理模块依次执行2号-N号从站是否在线的网络检测,并将从站库中的在线从站的数据信息发送给所述操作和显示模块进行结果显示。Send a network detection instruction to the first signal processing module through the operation and display module. After receiving the instruction, the first signal processing module sends a request whether the No. 1 slave station is online to the second signal processing module in the No. 1 slave station. After receiving the No. 1 slave station online response returned by the second signal processing module in the No. 1 slave station, add the No. 1 slave station to the slave station library, and send the data information of the online slave station in the slave station library to the The operation and display module displays the result; and so on, the first signal processing module executes the network detection of whether No. 2-N slave stations are online, and sends the data information of the online slave stations in the slave station library to the operation and The display module performs result display.
如果根据操作和显示模块显示的在线从站信息判断出其中的某个某几个从站不在线,则调整对应从站相对于主站的位置,并通过操作和显示模块给第一信号处理模块发出针对不在线从站的网络检测指令,由第一信号处理模块执行相应从站的网络检测,直至根据操作和显示模块显示的在线从站信息判断出所有的从站都在线为止。If it is judged that some of the slave stations are not online according to the online slave station information displayed by the operation and display module, then adjust the position of the corresponding slave station relative to the master station, and send the signal to the first signal processing module through the operation and display module. Issue a network detection command for offline slave stations, and the first signal processing module executes the network detection of corresponding slave stations until it is judged that all slave stations are online according to the online slave station information displayed by the operation and display module.
第五步、进行信号强度检测Step 5: Check the signal strength
通过操作和显示模块给第一信号处理模块发出信号强度测试指令,第一信号处理模块收到该指令后,给从站库中的1号从站中的第二信号处理模块发送测试信号,1号从站中的第二信号处理模块对收到的测试信号进行信号强度测试,并将信号强度值返回给第一信号处理模块,第一信号处理模块将该信号强度值传送给操作和显示模块进行显示,将该信号强度值与第一信号处理模块中预设的阈值进行比较,并将比较结果提供给操作和显示模块进行显示,如果1号从站返回的信号强度值大于等于预设的阈值,第一信号处理模块将1号从站加入到可通信从站列表中,并将从站列表中的从站信息传送给操作和显示模块进行显示,如果返回的信号强度值小于预设的阈值,则继续对后面的从站进行信号强度检测,直至完成对所有从站的信号强度测试。Send a signal strength test instruction to the first signal processing module through the operation and display module, and after receiving the instruction, the first signal processing module sends a test signal to the second signal processing module in the No. 1 slave station in the slave station library, 1 The second signal processing module in the No. slave station performs a signal strength test on the received test signal, and returns the signal strength value to the first signal processing module, and the first signal processing module transmits the signal strength value to the operation and display module To display, compare the signal strength value with the preset threshold in the first signal processing module, and provide the comparison result to the operation and display module for display, if the signal strength value returned by No. 1 slave station is greater than or equal to the preset Threshold value, the first signal processing module adds No. 1 slave station to the list of communicable slave stations, and transmits the slave station information in the slave station list to the operation and display module for display, if the returned signal strength value is less than the preset threshold, then continue to perform signal strength detection on the following slave stations until the signal strength test on all slave stations is completed.
当根据操作和显示模块显示的信息判断出某个或某几个从站返回的信号强度值小于预设的阈值,则调整相应从站相对于主站的位置,直至经检测相应从站返回的信号强度值大于等于预设的阈值,并由第一信号处理模块将相应从站加入到可通信从站列表中,同时将从站列表中的从站信息传送给操作和显示模块进行显示。When it is judged according to the information displayed by the operation and display module that the signal strength value returned by one or several slave stations is less than the preset threshold value, then adjust the position of the corresponding slave station relative to the master station until the signal strength value returned by the corresponding slave station is detected. The signal strength value is greater than or equal to the preset threshold, and the first signal processing module adds the corresponding slave station to the list of communicable slave stations, and at the same time transmits the slave station information in the slave station list to the operation and display module for display.
第六步、选择触发模式和触发控制模式Step 6. Select trigger mode and trigger control mode
通过操作和显示模块选择单路触发模式、同步触发模式和延时触发模式中的任一种,其中:Select any one of single trigger mode, synchronous trigger mode and delay trigger mode through the operation and display module, where:
(1)如果选择单路触发模式,则继续通过操作和显示模块从N个从站中选择第M个从站作为待触发对象,1≤M≤N,第一信号处理模块收到指令后,给第M号从站中的第二信号处理模块发送等待触发的请求,并在收到第二信号处理模块返回的准备就绪的应答后,将应答信息发送给所述操作和显示模块进行显示;接下来,通过操作和显示模块给第一信号处理模块发出对第M号从站进行触发控制或触发复位控制的指令,第一信号处理模块收到指令后,给第M号从站中的第二信号处理模块发送触发或触发复位的请求,第二信号处理模块对高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示。(1) If the single-channel trigger mode is selected, continue to select the Mth slave station from the N slave stations as the object to be triggered through the operation and display module, 1≤M≤N, after the first signal processing module receives the instruction, Send a request to wait for a trigger to the second signal processing module in the Mth slave station, and after receiving the ready response returned by the second signal processing module, send the response information to the operation and display module for display; Next, send an instruction to the first signal processing module to perform trigger control or trigger reset control on the Mth slave station through the operation and display module. After receiving the instruction, the first signal processing module sends The second signal processing module sends a trigger or trigger reset request, and the second signal processing module performs trigger or trigger reset control on the high-speed camera. After the high-speed camera completes the trigger or trigger reset, it returns a trigger completion signal or a trigger reset completion signal to the second signal processing module. After the second signal processing module encodes and modulates the trigger completion signal or trigger reset completion signal, it sends a trigger completion or trigger reset completion response to the first signal processing module, and the first signal processing module sends the corresponding response information to Operation and display module for display.
(2)如果选择同步触发模式或者延时触发模式,则通过操作和显示模块3从N个从站中选择多个从站作为待触发对象,第一信号处理模块4收到指令后,依次给所选择的多个从站中的第二信号处理模块发送等待触发的请求,并在依次收到这些从站中的第二信号处理模块返回的准备就绪的应答后,将应答信息发送给操作和显示模块进行显示。其中:(2) If a synchronous trigger mode or a delayed trigger mode is selected, a plurality of slave stations are selected from N slave stations through the operation and display module 3 as objects to be triggered, and after the first signal processing module 4 receives the instruction, it sequentially gives The second signal processing modules in the selected multiple slave stations send requests to wait for triggers, and after receiving the ready responses returned by the second signal processing modules in these slave stations in turn, send the response information to the operation and Display module for display. in:
在选择同步触发的情况下,当通过操作和显示模块给第一信号处理模块4发出触发控制或触发复位控制的指令时,第一信号处理模块同时给所选择的多个从站中的第二信号处理模块发送触发或触发复位的请求,该多个从站中的第二信号处理模块对相应的高速摄像机进行触发或触发复位控制,高速摄像机完成触发或触发复位后给第二信号处理模块返回触发完成信号或触发复位完成信号,各个从站中的第二信号处理模块对该触发完成信号或触发复位完成信号进行编码和调制处理后,依次给第一信号处理模块发送触发完成或触发复位完成的应答,第一信号处理模块将相应的应答信息发送给所述操作和显示模块进行显示;In the case of synchronous triggering, when the operation and display module sends an instruction for trigger control or trigger reset control to the first signal processing module 4, the first signal processing module simultaneously The signal processing module sends a request for triggering or triggering reset, and the second signal processing module in the plurality of slave stations performs triggering or triggering reset control on the corresponding high-speed cameras, and returns to the second signal processing module after the high-speed cameras complete the triggering or triggering reset. The trigger complete signal or trigger reset complete signal, after the second signal processing module in each slave station encodes and modulates the trigger complete signal or trigger reset complete signal, sends the trigger complete or trigger reset complete signal to the first signal processing module in turn response, the first signal processing module sends the corresponding response information to the operation and display module for display;
在延时触发的情况下,通过操作和显示模块给第一信号处理模块(4)发出触发控制或触发复位控制的指令,第一信号处理模块收到指令后,同时给所选择的多个从站中的第二信号处理模块发送触发或触发复位的请求,当执行触发时,该多个从站中的第二信号处理模块根据预设的延时时间间隔触发相应的高速摄像机,高速摄像机完成触发后给对应从站中的第二信号处理模块返回触发完成信号,第二信号处理模块对触发完成信号进行编码和调制处理后,给第一信号处理模块发送触发完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示;当执行触发复位时,该多个从站中的第二信号处理模块对相应的高速摄像机触发复位控制,高速摄像机完成触发复位后给对应从站中的第二信号处理模块返回触发复位完成信号,第二信号处理模块对触发复位完成信号进行编码和调制处理后,给第一信号处理模块发送触发复位完成的应答,第一信号处理模块将相应的应答信息发送给操作和显示模块进行显示。In the case of delayed triggering, an instruction for trigger control or trigger reset control is sent to the first signal processing module (4) through the operation and display module, and after receiving the instruction, the first signal processing module The second signal processing module in the station sends a trigger or trigger reset request. When the trigger is executed, the second signal processing module in the multiple slave stations triggers the corresponding high-speed camera according to the preset delay time interval, and the high-speed camera completes After triggering, a trigger completion signal is returned to the second signal processing module in the corresponding slave station. After the second signal processing module encodes and modulates the trigger completion signal, it sends a trigger completion response to the first signal processing module. The first signal processing module The module sends the corresponding response information to the operation and display module for display; when the trigger reset is executed, the second signal processing module in the multiple slave stations triggers the reset control for the corresponding high-speed camera, and the high-speed camera gives the corresponding response after the trigger reset is completed. The second signal processing module in the slave station returns the trigger reset completion signal. After the second signal processing module encodes and modulates the trigger reset completion signal, it sends a trigger reset completion response to the first signal processing module. The first signal processing module The corresponding response information is sent to the operation and display module for display.
在此,需要说明的是,对于主站中的操作和显示模块的系统帮助功能,采用本领域技术人员公知的技术手段即可实现,故在本说明书中不做详细描述。另外,前述的第一步至第三步不是根据本发明的必不可少的步骤,本发明的重点在于,在主站和从站和摄像机都已经就位、并且操作人员已经熟知本发明的系统的操作流程的前提下对高速摄像机的触发过程。Here, it should be noted that the operation of the master station and the system help function of the display module can be realized by using technical means known to those skilled in the art, so no detailed description will be given in this specification. In addition, the foregoing first step to the third step are not essential steps according to the present invention. The key point of the present invention is that the master station, the slave station and the camera are all in place, and the operator is already familiar with the system of the present invention The triggering process of the high-speed camera under the premise of the operation process.
比较根据本发明的高速摄像机无线触发与以前的长引线触发控制,本发明能够在多个地面试验的高速摄像试验中成功运用,结果表明本发明的无线触发准确率为100%,可靠性好,操作性高,缩短了操作人员在现场的等待时间,提高了高速运动分析仪的精确控制能力,降低了高速运动分析仪的误操作风险,大大拓宽了高速运动分析仪的使用范围。另外,对某战斗部的炮射试验中,成功运用该系统对多台高速摄像机进行触发控制,得到了完整的外弹道和终点弹道飞行过程,便于分析战斗部的外弹道和终点弹道的参数。多次试验表明,本发明可以明显拓宽高速摄像机的使用范围,提高外弹道和终点弹道的试验测试能力。Comparing the high-speed camera wireless trigger according to the present invention with the previous long-lead trigger control, the present invention can be successfully used in the high-speed camera tests of multiple ground tests, and the results show that the wireless trigger of the present invention has a 100% accuracy rate and good reliability. High operability shortens the waiting time of operators on site, improves the precise control ability of the high-speed motion analyzer, reduces the risk of misoperation of the high-speed motion analyzer, and greatly broadens the application range of the high-speed motion analyzer. In addition, in the firing test of a warhead, the system was successfully used to trigger and control multiple high-speed cameras, and the complete flight process of the outer trajectory and the terminal trajectory was obtained, which is convenient for analyzing the parameters of the outer trajectory and the terminal trajectory of the warhead. Multiple tests show that the present invention can obviously widen the range of use of the high-speed camera, and improve the test capability of the outer trajectory and the terminal trajectory.
在此,需要说明的是,本说明书中未详细描述的内容,是本领域技术人员通过本说明书中的描述以及现有技术能够实现的,因此,不做赘述。Here, it should be noted that the content that is not described in detail in this specification can be realized by those skilled in the art through the description in this specification and the prior art, so details are not repeated here.
以上所述仅为本发明的优选实施例,并非用来限制本发明的保护范围。对于本领域的技术人员来说,在不付出创造性劳动的前提下,可以对本发明做出若干的修改和替换,所有这些修改和替换都应涵盖在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. For those skilled in the art, several modifications and substitutions can be made to the present invention without any creative work, and all these modifications and substitutions should be covered within the protection scope of the present invention.
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JPH0258478A (en) * | 1988-08-24 | 1990-02-27 | Toshiba Corp | Video camera system |
CN102202171A (en) * | 2011-04-21 | 2011-09-28 | 北京理工大学 | Embedded high-speed multi-channel image acquisition and storage system |
CN102368803A (en) * | 2011-08-19 | 2012-03-07 | 深圳一电科技有限公司 | Shooting device, remote control method thereof and shooting system |
CN102902152A (en) * | 2011-07-29 | 2013-01-30 | 核工业西南物理研究院 | High-speed pill imaging system |
CN103414547A (en) * | 2013-07-22 | 2013-11-27 | 大唐移动通信设备有限公司 | Method according to which main station controls multiple auxiliary stations, base station and system |
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JPH0258478A (en) * | 1988-08-24 | 1990-02-27 | Toshiba Corp | Video camera system |
CN102202171A (en) * | 2011-04-21 | 2011-09-28 | 北京理工大学 | Embedded high-speed multi-channel image acquisition and storage system |
CN102902152A (en) * | 2011-07-29 | 2013-01-30 | 核工业西南物理研究院 | High-speed pill imaging system |
CN102368803A (en) * | 2011-08-19 | 2012-03-07 | 深圳一电科技有限公司 | Shooting device, remote control method thereof and shooting system |
CN103414547A (en) * | 2013-07-22 | 2013-11-27 | 大唐移动通信设备有限公司 | Method according to which main station controls multiple auxiliary stations, base station and system |
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