CN210867970U - Digital video monitoring system - Google Patents
Digital video monitoring system Download PDFInfo
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- CN210867970U CN210867970U CN201922483716.2U CN201922483716U CN210867970U CN 210867970 U CN210867970 U CN 210867970U CN 201922483716 U CN201922483716 U CN 201922483716U CN 210867970 U CN210867970 U CN 210867970U
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Abstract
The utility model discloses a digital video monitoring system, which belongs to the technical field of video monitoring, and comprises an information acquisition module, a data processing module and a monitoring module which are connected in sequence; the information acquisition module is specifically a network camera and is used for acquiring data information, generating a compressed and coded digital information stream and transmitting the compressed and coded digital information stream to the data processing module. The utility model is characterized in that the information acquisition module is a network camera, the video information acquisition is not limited by regions, and the application range is wide; the network camera can convert the acquired data information into a compressed and coded digital information stream and directly transmit the compressed and coded digital information stream to the data processing module to further realize data processing, a signal conversion chip is not needed, the data processing module can realize the whole-process processing of the video information, and the system cost is low.
Description
Technical Field
The utility model relates to a video monitoring technical field especially relates to a digital video monitoring system.
Background
The video monitoring system can be applied to systems such as intelligent transportation, security and protection, railways and the like, and further promotes the development of the systems such as the intelligent transportation, the security and protection and the like. The data processing steps of the video monitoring system comprise the steps of data acquisition, conversion, compression, transmission processing and the like, a large amount of data calculation is large, a plurality of data processing chips are needed, for example, in the utility model patent with the patent publication number of CN205829897 and the patent name of 'multi-channel video compression processing module supporting various video input formats', the data acquired by the information acquisition equipment needs to be converted into YUV signals through an SMQ2V1000FG256 domestic FPGA chip firstly, and then is transmitted to a TMS320DM8168 chip for compression processing, and the system cost is high; furthermore, the current video monitoring system is limited by regions, cannot realize large-scale data acquisition, and has certain limitation in application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's problem, provide a digital video monitor system.
The purpose of the utility model is realized through the following technical scheme: a digital video monitoring system specifically comprises an information acquisition module, a data processing module and a monitoring module which are connected in sequence; the information acquisition module is specifically a network camera and is used for acquiring data information, and the video information acquisition is not limited by regions and has wide application range; the network camera generates compressed and coded digital information flow and transmits the compressed and coded digital information flow to the data processing module, a signal conversion chip is not needed, the data processing module can realize the whole process processing of video information, and the system cost is low.
Specifically, the data processing module is specifically a digital media processor TMS320DM8168, and is integrated with a plurality of PCIe interfaces and a plurality of GMII interfaces.
Specifically, the network camera is connected with the digital media processor through the PCIe interface through a network card, so that the region limitation of a video monitoring system is broken; the digital media processor is connected with the monitoring module through the GMII interface and the Ethernet, and has high data transmission rate and good quality.
Specifically, the network camera is connected to the GMII interface of the digital media processor via an ethernet.
Specifically, the digital media processor is further integrated with a path of HDMI interface, and the digital media processor is connected with the display through the HDMI interface.
Specifically, the digital media processor is further integrated with an MCASP interface, and the digital media processor is connected with the AIC3106 chip through the MCASP interface and is used for realizing processing and transmission of audio signals.
Specifically, the digital media processor is further integrated with a plurality of DDR interfaces, and the digital media processor is connected with a DDR3 memory through the DDR interfaces.
Specifically, the information acquisition module further comprises a high-definition SDI camera, the digital media processor is further integrated with a plurality of VIN interfaces, and the digital media processor is connected with the high-definition SDI camera through the VIN interfaces and a GV7601 conversion chip, so that system compatibility is improved, and a monitoring effect is good.
Specifically, the digital media processor is further integrated with a plurality of USB interfaces, a plurality of SATA interfaces, an SD/MMC interface, a plurality of UART interfaces, and an I2C interface.
Specifically, the system further comprises a power supply module for generating direct current voltages with different magnitudes to provide working voltage for the system.
Compared with the prior art, the utility model discloses beneficial effect is:
(1) the utility model is characterized in that the information acquisition module is a network camera, the video information acquisition is not limited by regions, and the application range is wide; the network camera can convert the acquired data information into a compressed and coded digital information stream and directly transmit the compressed and coded digital information stream to the data processing module to further realize data processing, a signal conversion chip is not needed, the data processing module can realize the whole-process processing of the video information, and the system cost is low.
(2) The utility model discloses data processing unit specifically is digital media treater TMS320DM8168, and data processing ability is strong, only adopts digital media treater TMS320DM8168 can realize that the data overall process is handled, has further reduced the system cost.
(3) The network camera of the utility model is connected with the digital media processor through the PCIe interface through the network card, thus breaking the region limitation of the video monitoring system; the monitoring module is connected with the digital media processor through a GMII interface, so that the data transmission rate is high and the quality is good.
(4) The utility model discloses information acquisition module still includes high definition SDI camera, and digital media treater is connected with high definition SDI camera through VIN interface, GV7601 conversion chip, has promoted system compatibility, and the monitoring effect is good.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the figure:
fig. 1 is a system block diagram of embodiment 1 of the present invention;
fig. 2 is a system block diagram of embodiment 3 of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are the directions or positional relationships indicated on the basis of the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1, in embodiment 1, a digital video monitoring system specifically includes an information acquisition module, a data processing module, a monitoring module, a communication module, and a power supply module. The information acquisition module transmits the acquired video data information to the data processing module through the communication module for further storage and processing, and the video data information processed by the data processing module is uploaded to the monitoring module through the wireless communication module so as to realize the monitoring function. Further, the power supply module is used for generating direct-current voltages with different sizes to supply power to the system.
Further, the information acquisition module is specifically a network camera IP camera, which is a product of combining a traditional camera and a network technology, and can break regional limitations and acquire video information of each region. Furthermore, the IP camera can generate a compressed and encoded digital video stream, the digital video stream is encoded and packetized by h.264, and transmitted to the data processing module through the communication module, and then is subjected to decapsulation and decoding processing to obtain an original YUV video stream, and finally is subjected to data splicing processing to obtain wide-range and multi-angle panoramic data, and finally is subjected to compressed and encoded processing and transmitted to the monitoring module.
Furthermore, the data processing module is specifically a digital media processor TMS320DM8168, the ARM core Cortex-A8 of the digital media processor TMS320DM81688 has a dominant frequency of 1GHz and strong processing capacity, and the data overall process processing can be realized only by adopting the digital media processor TMS320DM8168, so that the system cost is further reduced. The digital media processor TMS320DM816 is integrated with 4 PCIe interfaces and 2 GMII interfaces, the PCIe interface is a high-speed socket QTH _030_02_ F _ D _ a for conveniently connecting a wireless network card, and the GMII interface is an RJ45 connector for facilitating connection with ethernet PHY0 and PHY 1. As an option, the network camera is connected with the digital media processor through a PCIe interface via a network card, and transmits video information acquired in each area to the digital media processor TMS320DM81688, thereby breaking the regional limitation of the video monitoring system; the digital media processor is connected with the monitoring module through the GMII interface and the gigabit Ethernet PHY, and has high data transmission rate and good quality.
Furthermore, the digital media processor is also integrated with a path of HDMI interface, and the digital media processor is connected with the display through the HDMI interface to realize the local output and display of the high-definition video signal.
Furthermore, the digital media processor is also integrated with an MCASP interface, and is connected with the AIC3106 chip through the MCASP interface, so that the audio signal processing and transmission are realized, and the compatibility of the system is improved.
Furthermore, the digital media processor is further integrated with DDR0 and DDR1 interfaces, the digital media processor is connected with the first DDR3 memory through the DDR0 interface, and the digital media processor is connected with the second DDR3 memory through the DDR1 interface and serves as a running space of the digital media processor. The DDR3 memory is 1GB, has a main frequency up to 1600MHz, and is connected to a digital media processor DDR interface through an EMIF0 bus and an EMIF1 bus.
Furthermore, the digital media processor is integrated with 2 paths of USB interfaces, 2 paths of SATA interfaces, 1 path of SD/MMC interfaces, 3 paths of UART interfaces and 1 path of I2C interfaces. The USB interface comprises a USB2.0 interface and a USB3.0 interface which are not limited, and is used for communicating with the monitoring module (external system); the digital media processor is connected with an SATA hard disk through an SATA interface, which is beneficial to the storage of video information; the digital media processor is connected to the SD card through an SD/MMC interface, so that the storage and sharing of information are facilitated; the UART interface of the digital media processor is connected with the data conversion chip through an RS232 or RS422 data line, and further communication with an external system is realized; the I2C interface of the digital media processor is connected with the RTC circuit, which is used for inputting the generated clock signal to the digital media processor, and the working voltage of the RTC circuit is input by the battery through the battery socket; the digital media processor is connected with the Xilinx CPLD through an IO data input and output interface, a RST reset interface and an EN enabling signal interface and is used for controlling the power-on time sequence (data input and output interface IO), the reset time (RST reset interface) and the enabling sequence (EN enabling signal interface) of the power supply part.
Furthermore, the power supply module outputs different direct current voltages through 5 adjustable voltage stabilizing modules to provide working voltage for the system. Specifically, the adjustable voltage stabilization module is specifically a DC-DC chip TPS62040, a TPS40040, a TPS54620, a TPS51200, a TPS3808, to generate DC voltages of 5.0V, 3.3V, 1.5V, 1.0V, 0.9V, 0.75V by voltage stabilization. The 5.0V direct-current voltage is used for supplying power to the USB peripheral, the 3.3V direct-current voltage is the IO voltage of the system, the 1.5V direct-current voltage is used for supplying power to the DDR memory and the DDR interface of the DM8168, the 1.0V direct-current voltage is used for supplying power to the DM8168 video output part and the core voltage part of the DM8168 video output part, the 0.9V direct-current voltage is used for supplying power to the USB module of the DM8168, and the 0.75V direct-current.
Example 2
The embodiment has the same inventive concept as the embodiment 1, and on the basis of the embodiment 1, the system specifically includes an information acquisition module, a data processing module, a monitoring module, a communication module and a power module, and functions and connection modes of the modules are the same as those of the embodiment 1.
Example 3
The embodiment has the same inventive concept as embodiment 1, and on the basis of embodiment 1, a digital video monitoring system is provided, which specifically includes an information acquisition module, a data processing module, a monitoring module, a communication module and a power module, where functions and connection modes of the modules are the same as those of embodiment 1, and it is further described that the information acquisition module further includes a high-definition SDI camera, the digital media processor is further integrated with 4 paths of VIN interfaces, the digital media processor is connected with the high-definition SDI camera through a VIN interface and a GV7601 conversion chip, and the GV7601 conversion chip has a low price, so as to ensure system cost. As shown in fig. 2, J4, J5, J7, and J8 are HD-SDI input interfaces, i.e., input of 4-way high definition (1080P) video is realized. Video information acquired by the high-definition SDI camera is converted into YUV video streams through GV7601, and the video streams are spliced by a Cortex-M3 core in the data processing module to form 360-degree all-round-looking data, so that the monitoring effect is good.
The above detailed description is the detailed description of the present invention, and it can not be considered that the detailed description of the present invention is limited to these descriptions, and to the ordinary skilled person in the art to which the present invention belongs, without departing from the concept of the present invention, a plurality of simple deductions and replacements can be made, which should be regarded as belonging to the protection scope of the present invention.
Claims (7)
1. A digital video surveillance system, characterized by: the system comprises an information acquisition module, a data processing module and a monitoring module which are connected in sequence; the information acquisition module is specifically a network camera and is used for acquiring data information, generating a compressed and coded digital information stream and transmitting the compressed and coded digital information stream to the data processing module;
the data processing module is specifically a digital media processor TMS320DM8168 and is integrated with a plurality of PCIe interfaces and a plurality of GMII interfaces;
the network camera is connected with the PCIe interface through which the digital media processor passes through a network card, and the digital media processor is connected with the monitoring module through the GMII interface and the Ethernet;
the information acquisition module further comprises a high-definition SDI camera, the digital media processor is further integrated with a plurality of VIN interfaces, and the digital media processor is connected with the high-definition SDI camera through the VIN interfaces and a GV7601 conversion chip.
2. A digital video surveillance system according to claim 1, characterized by: and the network camera is connected with the GMII interface of the digital media processor through the Ethernet.
3. A digital video surveillance system according to claim 1, characterized by: the digital media processor is also integrated with a path of HDMI interface, and the digital media processor is connected with the display through the HDMI interface.
4. A digital video surveillance system according to claim 1, characterized by: the digital media processor is also integrated with an MCASP interface, and is connected with the AIC3106 chip through the MCASP interface and used for realizing the processing and transmission of audio signals.
5. A digital video surveillance system according to claim 1, characterized by: the digital media processor is also integrated with a plurality of DDR interfaces, and the digital media processor is connected with a DDR3 memory through the DDR interfaces.
6. A digital video surveillance system according to claim 1, characterized by: the digital media processor is also integrated with a plurality of USB interfaces, a plurality of SATA interfaces, an SD/MMC interface, a plurality of UART interfaces and an I2C interface.
7. A digital video surveillance system according to claim 1, characterized by: the system also comprises a power supply module which is used for generating direct current voltages with different sizes to provide working voltage for the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483716.2U CN210867970U (en) | 2019-12-30 | 2019-12-30 | Digital video monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483716.2U CN210867970U (en) | 2019-12-30 | 2019-12-30 | Digital video monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN210867970U true CN210867970U (en) | 2020-06-26 |
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| CN201922483716.2U Active CN210867970U (en) | 2019-12-30 | 2019-12-30 | Digital video monitoring system |
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- 2019-12-30 CN CN201922483716.2U patent/CN210867970U/en active Active
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