CN101272480A - Method and circuit for restarting DVR video monitoring system in case of system halt - Google Patents

Method and circuit for restarting DVR video monitoring system in case of system halt Download PDF

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Publication number
CN101272480A
CN101272480A CN 200710305078 CN200710305078A CN101272480A CN 101272480 A CN101272480 A CN 101272480A CN 200710305078 CN200710305078 CN 200710305078 CN 200710305078 A CN200710305078 A CN 200710305078A CN 101272480 A CN101272480 A CN 101272480A
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China
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circuit
restart
dvr
video monitoring
dvr video
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CN 200710305078
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Chinese (zh)
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周华山
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王 波
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Priority to CN 200710305078 priority Critical patent/CN101272480A/en
Publication of CN101272480A publication Critical patent/CN101272480A/en

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Abstract

The invention discloses a dead halt restart method and a realizing circuit for a DVR video monitoring system. The dead halt restart method for the DVR video monitoring system includes the following steps: the DVR video monitoring program in running process controls the CPU of a host computer to send periodical pulses to the circuit for realizing the dead halt restart continuously; the circuit for realizing the dead halt restart monitors whether the periodical pulses stop or not; if no, the DVR video monitoring program continues to run; if yes, the reset jumper of the host computer is communicated with a direct current power supply by the circuit for realizing the dead halt restart, and the host computer and the DVR video monitoring program are restarted. With the method and the realizing circuit of the invention adopted, when the computer corrupts or the DVR video monitoring program stops running and the video is interrupted owing to the accidental interference on video monitoring spots, the host computer and the DVR video monitoring program can be restarted quickly, the video is basically kept continuously, comparatively complete video data are stored for the video monitoring spots and hidden dangers on the video monitoring spots are eliminated.

Description

DVR视频监控系统死机重启的方法和实现电路[技术领域]本发明涉及^L频监控技术领域,尤其涉及一种DVR -见频监控系统死才几重启的方法和实现电3各。 The method of DVR video monitoring system and implementation crash restart circuit [Technical Field] The present invention relates to video surveillance technology ^ L, and in particular, to a DVR - see method for video surveillance systems die only a few electrical and restart 3 each. [背景4支术]视频监控系统主要由前端摄像部分、传输部分、控制部分、显示与记录四大部分所组成。 [Background art 4] Video surveillance imaging system consists of a front end portion, a transmission portion, the control portion, the recording of four parts consisting display. 系统使管理人员在控制室中能观察到前端防范区域内所有人员活动情况并记录,为保安系统提供动态图像信息。 System enables managers to observe all personnel in the control room to prevent the front end of the active region and record, the video information to provide security for the system. 随着现代计算机技术、多媒体技术、网络技术和数字图像压缩技术的迅猛发展而诞生的DVR数字监控系统,是以计算机为核心的多媒体监控,把管理权交给了计算机,只要根据需要在需监控的场所安装一定数量的摄像机,即可在值班控制中心实时监控小区内各位置的人员活动情况,并将其录制保存下来。 DVR digital surveillance system technology With the rapid development of modern computer technology, multimedia technology, network technology and the birth of digital image compression, is the core of computer multimedia monitor, the management rights to the computer, as long as needed to be monitored place to install a number of cameras, to monitor the activities of the staff positions within the district control center real-time on duty, and save it recorded. 为事件发生后的调查提供第一手资料。 Provide first-hand information for the investigation of the incident. 但是,视频监控现场往往由于一些不确定性、意外的干扰所导致计算机死机或者DVR视频监控程序停止运行,从而导致录像中断, 此时段的现场情况就查无实据,给监控现场留下了安全隐患。 However, video surveillance site often because of some uncertainty, unexpected interference caused by computer crashes or DVR video surveillance program stops running, leading to interrupt the video, this time on the site where paragraph unsubstantiated, to monitor the scene left a security risk . 针对这种意外的死机情况,业界还没有有效的技术措施。 In response to this unexpected crash situation, the industry has not been effective technical measures. [发明内容〗本发明要解决的技术问题是提供一种在受到意外的干扰所导致计算机死机或者DVR程序停止运行的情况下迅速使计算机和DVR程序重新启动的方法。 [Summary of the Invention The present invention〗 technical problem to be solved by a method to provide a quick and DVR computer program restart in case of accidental interference resulting from a computer crash or DVR program stops running. 本发明还要提供一种DVR视频监控系统死机重启实现电路。 The present invention also provides a video surveillance system crash restart DVR implemented circuit. 为了解决上述技术问题,本发明采用的技术方案是, 一种DVR视频监控系统死机重启的方法,包括以下步骤:101) DVR 一见频监控程序在运行过程中控制计算机主机CPU向死机重启实现电路持续发送周期性脉冲;102) 死机重启实现电路监控所迷的周期性脉沖是否停止;如为否,就继续运行DVR视频监控程序;如为是,就通过死机重启实现电路将计算机主机复位跳线接通直流电源;103) 计算机主^几及DVIU见频监控程序重新启动。 To solve the above technical problem, the technical solution adopted by the invention is a method of crash restart DVR video monitoring system, comprising the steps of: 101) DVR see a video surveillance host CPU controls the computer implemented circuit during operation to the crash restart continuously transmitting a periodic pulse; 102) of the monitoring circuit implemented crash restart periodic pulse fan is stopped; if Yes, and continues to run DVR video monitor; if yes, the circuit is realized by a host computer crash restart reset jumper a direct current power supply; 103) of the main computer and several ^ DVIU see video surveillance program restarts. 以上所述的DVR视频监控系统死机重启实现电路,在步骤102中周期性脉沖中断超过预设的时间,则判断为周期性脉冲停止。 The above-described crash restart DVR video surveillance systems implemented circuits, at step 102 the interrupt periodic pulses exceeds a preset time, it is determined that the periodic pulse is stopped. 一种DVR视频监控系统死机重启实现电路,包括脉冲发生单元、 信号发生单元和继电器电路,所述的脉沖发生单元在DVR视频监控程序正常运行时,向信号发生单元发送持续的周期性脉冲,所述的信号信号,所述的继电器电路在重启信号的触发下,将计算机主机的复位跳线接直流电源,使计算机主机重新启动。 One kind of DVR video surveillance systems implemented crash restart circuit, comprising a pulse generating unit, a signal generating unit and a relay circuit, the pulse generation unit in the DVR video monitor during normal operation, to transmit continuous periodic pulse signal generating means, the said signal, said relay circuit triggered by the restart signal, the host computer will reset jumper is a DC power supply, so that the host computer is restarted. 以上所述的DVR视频监控系统死机重启实现电路,所述的脉冲发生单元可以采用SAA7130集成电路芯片,通过PCI总线与主机CPU连接,由主机CPU控制,SAA7130集成电路芯片的GPIO 口向信号发生单元发送持续的周期性脉沖。 The above-described crash restart DVR video surveillance systems implemented circuit, said pulse generating means may be employed SAA7130 integrated circuit chip connected to the CPU through the PCI bus with the host, the host is controlled by the CPU, the integrated circuit SAA7130 chip GPIO port to the signal generation unit continuous periodic pulse transmission. 所述的信号发生单元可以包括单片机STC12C2052和三极管,所述的单片机STC12C2052的3脚接收脉沖发生单元发送的周期性脉冲;单片机STC12C2052的ll脚接开关管的基极, 三极管的集电极接继电器的控制脚,三极管的发射极电极接地。 The signal generating unit may include a microcontroller and a transistor STC12C2052, periodic pulses microcontroller unit transmits the received pulse STC12C2052 3 feet occurs; ll-yl foot switch connected to the microcontroller STC12C2052 pole collector of the transistor connected to the relay control pin, the transistor emitter electrode is grounded. 所述的继电器是AGN2004。 The relay is AGN2004. 采用本发明的方法和实现电路时,当视频监控现场由于意外的干扰所导致计算机死机或者DVR视频监控程序停止运行,录像中断时, 本发明能迅速重新启动计算机主机和DVR视频监控程序,保持录像的基本连续,为监控现场保存较为完整的录像资料,消除了监控现场的安全隐患。 When using the method according to the invention and realize circuit, when the video surveillance field due to unexpected interference caused by computer crashes or DVR video surveillance program stops running, recording interruption, the present invention can quickly restart your host computer and DVR video surveillance program to keep video a substantially continuous, more complete preservation of video data to monitor on-site, eliminating the security risks of on-site monitoring. [附图说明]下面结合附图和具体实施方式对本发明作进一步详细的说明。 [BRIEF DESCRIPTION] Next, the accompanying drawings and specific embodiments of the present invention will be further described in detail. 图l是本发明DVR^见频监控系统死才几重启的方法实施例的流程图。 Figure l is a DVR method of the present invention ^ see only a few dead video surveillance system restart flow diagram of FIG. 图2是本发明DVR视频监控系统死机重启实现电路实施例原理框图。 FIG 2 is a DVR video monitoring system embodiment of the present invention is implemented crash restart circuit block diagram of FIG. 图3本发明DVR视频监控系统死机重启实现电路实施例视频采集芯片SAA7130的接线图。 FIG 3 DVR video surveillance system crash restart invention is implemented video capture chip wiring diagram of a circuit SAA7130 embodiment. 图4是本发明DVR视频监控系统死机重启实现电路实施例视单片机STC12C205和继电器是AGN2004部分的接线图。 FIG 4 is a DVR video surveillance system of the present invention is implemented crash restart circuit of this embodiment and the relay is a view microcontroller STC12C205 wiring diagram AGN2004 portion. 图5是本发明DVR视频监控系统死机重启的方法实施例单片机程序流程图。 5 is a microcontroller program methods DVR video monitoring system according to the present invention crash restart the flowchart. [具体实施方式]如图l所示,采用DVIU见频监控系统死^L重启的方法的DVIU见频监控程序在运行后控制计算机主机CPU向死机重启实现电路持续发送周期性脉冲;死机重启实现电路监控所述的周期性脉冲是否停止;如为否,就继续运行DVR视频监控程序;如为是,就通过死机重启实现电路将计算机主机复位跳线接通直流电源;此时,计算机主机及DVR视频监控程序重新启动。 [DETAILED DESCRIPTION] shown in FIG. L, see DVIU frequency monitoring system using dead ^ L restarting method, see DVIU frequency monitoring program execution control after the host CPU a computer implemented circuit to continue to send periodic pulse crash restart; crash restart implemented the periodic pulse monitoring circuit is stopped; if Yes, and continues to run DVR video monitor; if yes, resetting the jumper on the host computer DC power source circuit is realized by a crash restart; At this time, the host computer and DVR video surveillance program is restarted. 如图2所示,DVR视频监控系统死机重启实现电路包括脉冲发生单元、信号发生单元和继电器电路。 As illustrated, the DVR video surveillance systems implemented crash restart circuit comprises a pulse generation unit 2, the signal generating unit, and a relay circuit. 脉冲发生单元在DVR视频监控程序正常运行时,受计算机主机的CPU控制向信号发生单元发送持续的周期性脉冲。 Pulse generation unit in the DVR video monitor during normal operation, controlled by the host computer CPU to transmit continuous periodic pulse signal generation unit. 信号发生单元在周期性脉冲中断超过预设的时间时,就向继电器.电路发出计算机重启信号。 When a periodic pulse signal generating means exceeds the predetermined interrupt time, will. Circuit issues a signal to the relay to restart the computer. 所述的继电器电路同计算机主机的复位跳线连接,在重启信号的触发下,将计算机主机的复位跳线接直流电源,使计算机主机和DVR视频监控程序重新启动。 Said host computer with a relay circuit connected to a reset jumper in the restart trigger signal, the host computer will reset jumper is a DC power supply, so that the host computer and the video monitor restart DVR. 本发明DVR视频监控系统死机重启实现电路的实施例的结构和工作原理如图3至图5所示。 DVR video surveillance system according to the present invention crash structure and working principle of embodiments of the restart circuit implementation shown in FIGS. 3 to 5. 本实施例采用STC单片机经由视频采集芯片的GPIO 口、 PCI总线S同计算机主机进行通信,实时监控计算机主机运行的DVR视频监控程序的状态,如果出现死机情况,单片机便输出信号控制一继电器以实现计算机主机重新启动,同时自动启动DVR 视频监控程序。 The present embodiment employs STC microcontroller to communicate, the DVR video monitor the status of real-time monitoring host computer is running via a video capture chip GPIO port, PCI bus S with the host computer, if the crash occurs, the microcontroller will output a signal to control a relay to effect restart the host computer, and start the DVR video surveillance program automatically. DVR视频监控系统死机重启实现电路的工作原理如下:计算机主机上DVR视频监控程序正常运行时,连续地通过PCI总路线去控制视频采集芯片SAA7130的第75脚(GPIO 口),即向单片机STC12C2052 的第3脚发送周期性脉冲。 Works DVR video surveillance system crash restart circuit is implemented as follows: a host computer on the video monitor DVR normal operation, continuously through the general line to control the PCI video capture section 75 SAA7130 chip pin (GPIO port), namely the first microcontroller STC12C2052 3 feet periodic pulse transmission. 单片机STC12C2052 —直在接收此脉冲,如果出现视频监控程序死机情况,就不能向单片机STC12C2 0 5 2发送周期性脉冲,单片才几STC12C2052如超过设定的时间没有收到周期性脉沖就判断视频监控程序出现死机或者计算机主机死机。 SCM STC12C2052 - straight in receiving the pulse, if the video monitor crash situation, can not send a periodic pulse to the microcontroller STC12C2 0 5 2, only a few monolithic STC12C2052 exceeds the set time does not receive a periodic pulse determines video monitor the host computer crashes or freezes. 单片机STC12C2052 向第11脚(P1. 7)发送一个高电平,使三极管Q3导通,此时,继电器(AGN2004 )的第8脚(控制脚)连接三极管的第2脚(集电极)变为低电平,以驱动继电器。 MCU sends STC12C2052 11 feet (P1. 7) a high level, the transistor Q3 is turned on so that, at this time, the relay (AGN2004) of 8 feet (foot control) transistor connected to the second pin (collector) becomes low to drive the relay. 继电器的常开触点(第3脚和第4脚,第5 脚和第6脚)闭合,而此对触点通过导线连接至计算机主机上的复位(RST)跳线,使复位(RST)跳线连接直流电源,导致计算机主机自动重启。 Normally open relay contact (3 feet and 4 feet, 5 feet, and 6 feet) is closed, and this pair of contacts reset (RST) on the jumper wires connected to a computer host via the reset (RST) jumpers connect the DC power source, causes the computer to automatically restart the host. 单片机STC12C2052接口定义如下:P3. 0----加密时作为数据低1位,重启时作为和PC的握手信号,判断是否启动TOP3. 1----加密时作为数据低2位,重启时用于接收PC来的高电平,复为定时器TOP3. 2----加密时作为外部中断输入口P3. 3----加密时作为数据低3位P3. 4----加密时作为凄t据J氐4位P3. 5----用于判断是否启动死机重启程序(为0,启动重启程序;为l,处于加密阶段, 一直等待外部中断)单片机STC12C2052接口同视频采集芯片的GPIO 口的连接关系如下:RST----GPI09 P3. 0----GPI010 P3. 1----GPI011P3. 2----GPI015 P3. 3----GPI014 P3. 4----GPI013P3. 5----GPI012。 STC12C2052 microcontroller interface is shown below: As a low data encryption when P3 0 ----, and reboot the PC as handshake signals, determines whether to activate low as encrypted data TOP3 1 ---- 2, restart of as the lower 3 bits of data P3. 4 ---- encrypted to a high level for receiving a PC, a multiplexing TOP3. interrupt input port P3. 3 ---- ---- encrypted encryption timer 2 as an external According to J as sad t Di 4 P3 5 ---- crash restart for determining whether to start the program. (0, start the restart program; L is, in the encryption phase, has been waiting for an external interrupt) interfaces with the video capture microcontroller STC12C2052 GPIO port chip connection relationship is as follows:..... RST ---- GPI09 P3 0 ---- GPI010 P3 1 ---- GPI011P3 2 ---- GPI015 P3 3 ---- GPI014 P3 4- --- GPI013P3. 5 ---- GPI012. 应用程序动作:输入密码完成,成功进入程序后,向GPI012发一个正脉冲,高电平持续时间约为1ms,发送正脉冲后约10ms后把GPIO10置为'T,,之后以向GPIOll发送周期为10ms的方波脉沖,占空比为1:2.本发明DVR S见频监控系统死机重启的方法实施例单片机程序流程图说明:启动DVR视频监控程序,首先触发加密认证模块,如果验证成功,正常启动DVR视频监控程序,然后DVR—直给单片机发送一个定时脉冲信号,而单片机一直在监控此信号,如果在协定的时间里不能接收到此定时信号,且判断不属于正常退出DVR 视频监控程序,此时就判定DVR视频监控程序或者计算机主机出现意外死机,此时单片机置位P3. 7 (STC12C2052第ll脚),即重新启动计算机主机。 In the GPIOll transmission cycle is completed after the input of a password, successfully entered program, GPI012 to send a positive pulse, the high level duration of about 1ms, after the positive pulse is transmitted is set to about 10ms to GPIO10 'T ,,: Application Action square wave pulse of 10ms, the duty ratio is 1:. 2 DVR S video surveillance method of the present invention see a system crash restart a flowchart illustrating the procedure of Example microcontroller: start DVR video monitor, the trigger is first encrypted authentication module if successful , normal start DVR video monitor, then transmitting a straight DVR- timing pulse signal to the microcontroller, the microcontroller has been monitoring this signal can not be received if the agreed time in this timing signal, and is determined not normal exit DVR video surveillance program, then it is determined that the video monitor DVR unexpected crash or the host computer, then the microcontroller set P3. 7 (STC12C2052 first pin ll), i.e., restart the host computer.

Claims (6)

1.一种DVR视频监控系统死机重启的方法,其特征在于,包括以下步骤: 101)DVR视频监控程序在运行过程中控制计算机主机CPU向死机重启实现电路持续发送周期性脉冲; 102)死机重启实现电路监控所述的周期性脉冲是否停止;如为否,就继续运行DVR视频监控程序;如为是,就通过死机重启实现电路将计算机主机复位跳线接通直流电源; 103)计算机主机及DVR视频监控程序重新启动。 1. A method of crash restart DVR video surveillance system, the method comprising the steps of: 101) DVR controls the computer video monitor in operation host CPU continues to send periodic pulse circuit implemented to crash restart; 102) crash restart the periodic pulse monitoring circuit, realized is stopped; if Yes, and continues to run DVR video monitor; if yes, resetting the jumper on the host computer DC power source circuit is realized by a crash restart; 103) and the host computer DVR video surveillance program is restarted.
2. 根据权利要求1所述的DVR视频监控系统死机重启实现电路,其特征在于,在步骤102中周期性脉冲中断超过预设的时间,则判断为周期性脉沖停止。 2. The circuit realization of the DVR video surveillance system crash restart claim 1, wherein, in the step 102 interrupts the periodic pulses exceeds a preset time, it is determined that the periodic pulse is stopped.
3. —种DVR视频监控系统死机重启实现电路,其特征在于,包括脉冲发生单元、信号发生单元和继电器电路,所述的脉沖发生单元在DVR 视频监控程序正常运行时,向信号发生单元发送持续的周期性脉冲,所述的信号发生单元在周期性脉冲中断超过预设的时间就向继电器电路发出重启信号,所述的继电器电路在重启信号的触发下, 将计算机主机的复位跳线接直流电源,使计算机主机重新启动。 3 - Species DVR video surveillance systems implemented crash restart circuit, comprising a pulse generation unit, a signal generating unit and a relay circuit, said pulse generating means DVR video monitor in normal operation, continuously transmitted to the signal generating unit periodic pulses, said periodic signal generating unit exceeds a preset time interruption pulse is issued the restart signal to the relay circuit, the relay circuit is triggered by the restart signal, the host computer will reset jumper DC power supply, so that the host computer is restarted.
4. 根据权利要求1所述的DVR视频监控系统死机重启实现电路,其特征在于,所述的脉沖发生单元采用SAA7130集成电路芯片,通过PCI 总线与主机CPU连接,由主机CPU控制,SAA7130集成电路芯片的GPIO 口向信号发生单元发送持续的周期性脉冲。 4. Implement The DVR video surveillance system crash restart circuit according to claim 1, wherein said pulse generating means using SAA7130 integrated circuit chip connected to the CPU through the PCI bus with the host, the host is controlled by the CPU, the integrated circuit SAA7130 chip GPIO port to transmit continuous periodic pulse signal generation unit.
5. 根据权利要求1所述的DVR视频监控系统死机重启实现电路,其特征在于,所述的信号发生单元包括单片机STCUC2052和三极管, 所述的单片机STC12C2052的3脚接收脉冲发生单元发送的周期性脉冲;单片机STC12C2052的ll脚接开关管的基极,三极管的集电极接继电器的控制脚,三极管的发射极电极接地。 5. The circuit realized crash restart DVR video surveillance system according to claim 1, wherein said signal generating means comprises a microcontroller and a transistor STCUC2052 periodically foot receiving unit 3 transmits the pulses of the microcontroller generating STC12C2052 pulse; ll-yl microcontroller STC12C2052 the pin is connected to the switching tube, the collector of the transistor connected to the relay control pin, the transistor emitter electrode is grounded.
6. 根据权利要求1所述的DVR视频监控系统死机重启实现电路,其特征在于,所述的继电器是AGN2004。 6. The circuit realization of the DVR video surveillance system crash restart claim 1, wherein said relay is AGN2004.
CN 200710305078 2007-12-26 2007-12-26 Method and circuit for restarting DVR video monitoring system in case of system halt CN101272480A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015067008A1 (en) * 2013-11-06 2015-05-14 国家电网公司 Method and device for remote restart
CN105425692A (en) * 2014-09-11 2016-03-23 发那科株式会社 Numerical control device
CN106886209A (en) * 2015-12-16 2017-06-23 芋头科技(杭州)有限公司 Automatic quick start method and system under a kind of intelligent electronic device failure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015067008A1 (en) * 2013-11-06 2015-05-14 国家电网公司 Method and device for remote restart
CN105425692A (en) * 2014-09-11 2016-03-23 发那科株式会社 Numerical control device
US9829874B2 (en) 2014-09-11 2017-11-28 Fanuc Corporation Numerical control device
CN106886209A (en) * 2015-12-16 2017-06-23 芋头科技(杭州)有限公司 Automatic quick start method and system under a kind of intelligent electronic device failure
CN106886209B (en) * 2015-12-16 2019-07-16 芋头科技(杭州)有限公司 Automatic quick start method and system under a kind of intelligent electronic device failure

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