CN2585521Y - 自动拍录可视门铃 - Google Patents
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Abstract
本实用新型公开了一种能记录储存来访者面孔和声音进行信号数据回放，并能对室外运动物体进行实时检测的自动拍录可视门铃，包括视频传感器、电路系统和显示设备，其中电路系统包括中央处理电路、显示输出电路、对讲电路，视频传感器经模拟/数字转换电路与中央处理电路相连，中央处理电路的输出端与显示输出电路的输入端相连，显示输出电路的输出端与显示设备相连，对讲电路与中央处理电路相连，存储电路与中央处理电路相连，电路系统中设有运动检测电路，运动检测电路和输入端与模拟/数字转换电路相连，输出端与中央处理电路相连。
Description
技术领域
本实用新型涉及一种可视门铃，特别涉及一种能记录储存来访者面孔和声音进行信号数据回放，并能对室外运动物体进行实时检测的可视门铃。
技术背景
目前，人们所应用的门铃大多是用各种声音来报告主人有客人来访，在不见面孔的情况下，主人很难从声音断定来客身份，这样，主人的安全得不到充分保证，因此，后来又出现了一种可视门铃，主人可以看到来访者的面孔与客人对话以确定来访者的身份而决定是否开门，如中国实用新型专利(申请号为00226334.3)公开了一种在现有闭路电视系统中加装室内机和室外机的可视对讲门铃，室外机由音频传感器、视频传感器、编码器、射频调制器、耦合器构成，室内机由解码器和控制器构成，这样主人可通过室内的电视机来显示来访者的面孔和声音。但这样的门铃由于缺少音视频的存储功能，无法进行音视频数据的回放，只能在主人在家时适用，当主人不在家时，不能得知是否有客人来过，也不知道是谁来过了，同样存在一定的不方便，同时也不具备运动物体的自动检测功能，无法起到自动防范作用。
实用新型的内容
本实用新型针对以上存在的问题，将提供一种具有音视频信号的存储功能，能将来访者的声音和面孔等信号自动记录并存储的可视门铃。
同时有对室外运动物体进行自动检测拍录的功能。
为实现以上目的，本实用新型是通过这样的技术方案来实现的：提供一种自动拍录可视门铃，包括视频传感器、电路系统和显示设备，其中电路系统包括中央处理电路、显示输出电路、对讲电路，中央处理电路的输出端与显示输出电路的输入端相连，显示输出电路的输出端与显示设备相连，对讲电路与中央处理电路相连，中央处理电路接收到的视频信号经编码后通过显示输出电路直接在输出设备输出，视频传感器经模拟/数字转换电路与中央处理电路相连，视频传感器采集的视频模拟信号经模拟/数字转换电路将模拟信号转换成数字信号后传送给中央处理电路，电路系统中设有存储电路，存储电路的输入端与中央处理电路的输出端相连，经中央处理电路处理的视频信号通过存储电路存储，也可从存储电路取出信号。
电路系统中还设有运动检测电路，运动检测电路的输入端与模拟/数字转换电路的输出端相连，运动检测电路的输出端与中央处理电路相连。
采用这种结构的自动拍录可视门铃，其优点是：由于设有存储电路，音视频数据可以自动存储并重复回放，可免去因主人不在而无从得知来访者的不便，同时设有模拟/数字转换电路，使得视频号更清晰，运动检测电路能实时检测到运动物体，并自动对运动目标进行照相和存储，一旦有案情发生，将能发挥很好的作用。
下面结合附图详细说明本实用新型的具体实施方式。
附图说明
图1是本实用新型一种实施例的结构原理框图。
图2是本实用新型一种实施例的电路原理示意图。
具体实施方式
模拟/数字转化电路1由芯片U1和外围电路组成；存储电路2由非挥发性存储芯片U2构成；中央处理电路4由控制芯片U3、主控处理芯片U4和存储器U5组成，其中控制芯片U3为一片微处理器，主控处理芯片U4为具有图像压缩编码和存储器读写能力的集成电路，存储器U5采用随机动态存储器；运动检测电路9主要由可编程逻辑器件U6(型号为CPLD)和静态存储器U7(型号为SRAM)组成。
视频传感器为摄像头，摄像头采集到的模拟视频信号经过模拟/数字转化电路1的芯片U2将模拟视频信号转化为数字视频信号输出，数字视频信号经中央处理电路4，通过中央处理电路4中的主控处理芯片U4编码后可直接输出图像到显示输出电路3，由与显示输出电路3相连的显示设备实时显示。中央处理电路4接收到运动检测电路9或声音控制电路8的开关量信号后，启动中央处理电路3进行图像压缩过程，并将压缩后的音视频数据存储到存储电路2。对讲电路7实现对讲功能，当室内无人应答的时候，可以留言，中央处理电路4将得到的音视频数据存储到存储电路2。存储电路2中的音频视频数据在需要的时候可以回放。
模拟视频信号AI11经模拟/数字转化电路1模/数转换后输出8位数字视频信号SD0~SD7，模拟/数字转化电路1芯片U1的8位数字视频信号SD0~SD7的信号线和中央处理电路4的主控处理芯片U4的SD0~SD7的信号线相连。模拟/数字转化电路1芯片U1的SDA和SCK信号线和主控处理芯片U4的SDA和SCK信号线相连，SDA和SCK组成的I2C总线设置视频解码芯片U1的寄存器。
模拟视频信号经模拟/数字转化电路1模/数转化后输出8位数字视频信号SD0~SD7，经运动检测电路9的可编程逻辑器件U6存入静态存储器U7中，可编程逻辑器件U6将以前记录的图像和当前输入的图像进行比较，根据是否有差异检测运动目标，并输出运动检测信号。可编程逻辑器件U6输出运动检测开关量信号MOTIONINT#到控制芯片U3，控制芯片U3便启动主控处理芯片U4进行图像压缩过程，并将压缩后的视频数据存储到存储芯片U2。控制芯片U3可以通过MODE1，MODE2，MODE3设置不同的模式来调整可编程逻辑器件U6的运动检测灵敏度。
存储电路2的存储芯片U2的数据总线P0~P7和中央处理电路4中的主控处理芯片U4的P0~P7相连，存储芯片U2的控制线FRB#，FRE#，FCS0#，FCLE，FALE，FEW#与和主控处理芯片U4的FRB#，FRE#，FCS0#，FCLE，FALE，FEW#相连接，实现压缩的视频和音频数据的存储，也可从存储电路2读取数据。主控处理芯片U4通过信号线CVBS和显示输出电路3相连接。
中央处理电路4的控制芯片U3的TXD、RXD信号线和主控处理芯片U4的TXD、RXD信号线相连接，控制芯片U3用于设置主控处理芯片U4的寄存器和启动主控处理芯片U4进行实时拍照。模拟/数字转化电路1芯片U1的SHS和SVS行场同步信号线和主控处理芯片U4的SHS和SVS信号线相连。模拟/数字转化电路1芯片U1的SPCLK时钟线和主控处理芯片U4的SPCLK时钟相连接。主控处理芯片U4的数据总线Q0~Q15和存储器U5的数据总线Q0~15相连接，主控处理芯片U4地址总线MA0~MA11和存储器U5的地址总线MA0~MA11相连接，主控处理芯片U4的控制线DQM、MWE#、CAS#、CS0#、BA0、BA1#分别和存储器U5的控制线DQM、MWE#、CAS#、CS0#、BA0、BA1#相连接。存储器U5缓存数字视音频数据。
模拟/数字转化电路1芯片U1的8位数字视频信号SD0~SD7的信号线和可编程逻辑器件U6的SD0~SD7的信号线相连。可编程逻辑器件U6的数据线DQ1~DQ8分别和静态存储器U7中的数据线DQ1~DQ8相连接，可编程逻辑器件U6的地址线SA0~SA16分别和静态存储器U7中的地址线SA0~SA16相连接，可编程逻辑器件U6的控制线WE#，CE#，OE#分别和静态存储器U7中的控制线WE#，CE#，OE#相连接。可编程逻辑器件U6输出开关变量信号MOTIONINT#和控制芯片U3的MOTIONINT#引脚相连，控制芯片U3的控制信号线MODE1、MODE2、MODE3与可编程逻辑器件U6的MODE1、MODE2、MODE3引脚相连。
硬盘接口电路5的输入端与中央处理电路4相连。硬盘接口电路5留有硬盘接口，随时可插上硬盘以存储数据，也可以从硬盘中读取数据。
声音控制电路8的输入端与音频传感器相连，输出端与中央处理电路4相连。
中央处理电路4可设有控制接口，控制接口连接控制开关6或探测器。
控制开关6可为手动开关，探测器可为红外控测器或者报警探测器。
Claims (10)
1、一种自动拍录可视门铃，包括视频传感器、电路系统和显示设备，其中电路系统包括中央处理电路(4)、显示输出电路(3)、对讲电路(7)，中央处理电路(4)的输出端与显示输出电路(3)的输入端相连，显示输出电路(3)的输出端与显示设备相连，对讲电路(7)与中央处理电路(4)相连，中央处理电路(4)接收到的视频信号经编码后通过显示输出电路(3)直接在输出设备输出，其特征是：视频传感器经模拟/数字转换电路(1)与中央处理电路(4)相连，视频传感器采集到的视频信号经模拟/数字转换电路(1)将模拟信号转换成数字信号后送入中央处理电路(4)，存储电路(2)与中央处理电路(4)相连，经中央处理电路(4)处理的视频信号通过存储电路(2)存储，也可从存储电路(2)取出信号。
2、根据权利要求1所述的自动拍录可视门铃，其特征是：电路系统设有运动检测电路(9)，运动检测电路(9)的输入端与模拟/数字转换电路(1)的输出端相连，运动检测电路(9)的输出端与中央处理电路(4)相连。
3、根据权利要求2所述的自动拍录可视门铃，其特征是：所述的运动检测电路(9)包括可编程逻辑器U6和静态存储器U7，可编程逻辑器U6与静态存储器U7通过信号线相连。
4、根据权利要求1所述的自动拍录可视门铃，其特征是：所述中央处理电路(4)包括主控处理芯片U4、控制芯片U3和存储器U5，主控处理芯片U4分别与控制芯片U3、存储器U5相连。
5、根据权利要求4所述的自动拍录可视门铃，其特征是：所述主控处理芯片U4是具有图像压缩编码和存储器读写能力的集成电路，控制芯片U3是微处理器，存储器U5是随机动态存储器。
6、根据权利要求1或2或3或4所述的自动拍录可视门铃，其特征是：电路系统设有硬盘接口电路(5)，所述硬盘接口电路(5)与中央处理电路(4)相连。
7、根据权利要求6所述的自动拍录可视门铃，其特征是：所述硬盘接口电路(5)留有硬盘接口。
8、根据权利要求1或2或3或4所述的自动拍录可视门铃，其特征是：电路系统设有声音控制电路(8)，声音控制电路(8)的输入端与音频传感器相连，输出端与中央处理电路(4)相连。
9、根据权利要求1或2或3或4所述的自动拍录可视门铃，其特征是：所述中央处理电路(4)设有控制接口，控制接口连接控制开关(6)或探测器。
10、根据权利要求9所述的自动拍录可视门铃，其特征是：所述控制开关(6)为手动开关，所述探测器为红外控测器或报警探测器。
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