CN214799663U

CN214799663U - Embedded monitoring system

Info

Publication number: CN214799663U
Application number: CN202121540891.1U
Authority: CN
Inventors: 张珑凡; 荆宇通; 朱欣欣; 杨洋; 曹磊; 杨茂林
Original assignee: Zhifei Technology Group Co ltd
Current assignee: Zhifei Technology Group Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2021-11-19
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to the technical field of information processing, concretely relates to embedded monitored control system, including acquisition unit, transmission unit, the control unit and output unit, acquisition unit passes through cable junction the control unit, and the control unit passes through transmission unit and connects the output unit, and the transmission unit includes ethernet server and ethernet, and the control unit includes central processor, storage module, GSM module, pronunciation warning module, JTAG interface circuit, clock circuit, RJ45 interface circuit; the storage module, the GSM module, the voice alarm module, the JTAG interface circuit, the clock circuit and the RJ45 interface circuit are respectively and electrically connected with the central processor. The utility model provides a traditional monitored control system need occupy a large amount of spaces of computer lab, maintenance cost is too high, the simulation camera wiring in-process is subject to coaxial cable transfer distance and building structure and the delayed problem of network camera signal, system installation is convenient, and communication cost is low.

Description

Embedded monitoring system

Technical Field

The utility model relates to an information processing technology field, concretely relates to embedded monitored control system.

Background

Video monitoring is an important component of a security system, and is widely applied to many occasions in a visual, accurate and timely manner and rich in information content. The traditional monitoring system comprises a front-end camera, a transmission cable and a video monitoring platform. The front-end camera generally includes an analog camera and a network camera, the analog camera is connected to the video server through a coaxial cable, each path of camera needs to occupy one port of the server, when a large number of cameras are involved in an application scene, a large amount of space is required to be provided for a machine room to store the corresponding video server, and the maintenance cost is too high. Meanwhile, a coaxial cable used by the analog camera is limited by attenuation distance and is limited by a building structure during wiring.

The network camera directly adopts the internet access to carry out video transmission, is not limited by the distance between the camera and the server, does not need to arrange a coaxial cable, but has the problem of transmission delay, and is particularly serious when the camera is regulated and controlled through a tripod head.

Embedded, i.e. embedded, systems are devices for controlling, monitoring or assisting the operation of machines and equipment, and are defined in terms of application objects as a complex of software and hardware, and all devices with digital interfaces, such as watches, microwave ovens, video recorders, automobiles, etc., use embedded systems. Embedded systems are increasingly popular because of their advantages, such as low power consumption, high real-time performance, high reliability, and multi-user capabilities.

SUMMERY OF THE UTILITY MODEL

The utility model provides an embedded monitoring system, including acquisition unit, transmission unit, the control unit and output unit, acquisition unit passes through cable junction control unit, and the control unit passes through transmission unit and connects the output unit, and the transmission unit includes ethernet server and ethernet, and the control unit includes central processor, storage module, GSM module, pronunciation warning module, JTAG interface circuit, clock circuit, RJ45 interface circuit; the storage module, the GSM module, the voice alarm module, the JTAG interface circuit, the clock circuit and the RJ45 interface circuit are respectively and electrically connected with the central processor.

Furthermore, the acquisition unit comprises a video unit, an audio unit and a biological sensing unit; the video unit comprises a camera, a video analog-to-digital converter and an image processor; the camera acquires video data and is connected to the central processor through the video analog-to-digital converter and the image processor in sequence; the audio unit comprises a sound pick-up and an audio processor; the sound pick-up is connected to the central processor through the audio processor; the biological sensing unit comprises a human body infrared sensing detector.

Further, the human body infrared sensing detector comprises a Fresnel lens, a pyroelectric sensor, a band-pass amplifier, a comparator, a light control circuit and an output circuit which are connected in sequence.

Further, the storage module comprises an SDRAM (synchronous dynamic random access memory), a static memory and a FLASH FLASH memory, wherein the SDRAM, the static memory and the FLASH FLASH memory are respectively and electrically connected with the central processor.

Further, the output unit comprises one of an embedded LINUX operating system and a Windows operating system, and further comprises a PC computer, a television wall and a mobile phone.

Further, a GSM card is arranged in the GSM module, and the working frequency band supported by the GSM module is GSM/GPRS850,900,1800,1900MHZ.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the video camera does not need to be laid with a coaxial cable, and the video cable is not limited by the attenuation distance of the cable and the building structure, so that the video camera is convenient to install;

2. the Ethernet server is small in size relative to the video server, the number of integrated ports is large, the Ethernet server is adopted to replace the video server, the use space of a monitoring machine room is saved, and the maintenance cost is reduced.

3. The embedded monitoring system adopts embedded software, and the space occupied by the embedded software is greatly reduced compared with the traditional system software, so that the power consumption of the system is effectively reduced, and the problem of monitoring data delay is solved.

4. The functions of video monitoring, audio monitoring and automatic alarm photographing can be simultaneously realized.

Drawings

Fig. 1 is a schematic diagram of the system structure of the present invention;

fig. 2 is a schematic structural view of the human body infrared sensing detector of the present invention.

Reference numerals in the drawings indicate: the system comprises a camera-1, a video analog-to-digital converter-2, an image processor-3, a sound pick-up-4, an audio processor-5, a human body infrared sensing detector-6, a central processor-7, a storage module-8, a GSM module-9, a JTAG interface circuit-10, a clock circuit-11, a voice alarm module-12, an RJ45 interface circuit-13, an Ethernet-14, an Ethernet server-15, a mobile phone-16, a television wall-17, a PC-18, a Fresnel lens-19, a pyroelectric sensor-20, a band-pass amplifier-21, a comparator-22, a light control circuit-23 and an output circuit-24.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention.

Example 1

Referring to fig. 1, the monitoring implementation scenario of this embodiment is a logistics park in which a night theft event frequently occurs, the logistics park occupies 15 ten thousand square meters, 126 paths of cameras need to be installed at important monitoring positions such as warehouses and roads for monitoring, and video data are centralized in a machine room for unified management. Because the field is too large and the positions of all paths of cameras are dispersed, if the traditional analog camera is adopted and is limited by the effective transmission distance of 120 meters of a video coaxial cable, an optical end transmitter and an optical end receiver must be respectively configured for each path of camera, and video data are transmitted to a machine room through optical fibers. The logistics park is lack of optical fiber distribution wells, and the road surface is always moved by a forklift, so that the maintenance of newly distributed optical fibers is not facilitated; and the coastal region is located in the commodity circulation garden, if the optical cable is laid through the aerial, optic fibre is easily damaged by wind-force again and causes the potential safety hazard, and the cost is too high. In consideration of the fact that network ports are arranged at a plurality of places such as a warehouse during the construction of a logistics park, data collected by the network camera are transmitted to a monitoring platform in a machine room through the network ports. However, the traditional network monitoring system has serious time delay effect, and when security personnel find abnormality in the video image and then allocate personnel to go to the site, criminals can be found without trace.

The utility model provides an embedded monitored control system, including acquisition unit, transmission unit, the control unit and output unit.

The acquisition unit comprises a video unit, an audio unit and a biological sensing unit;

the video unit comprises a camera 1, a video analog-to-digital converter 2 and an image processor 3; a key monitoring area in a main passage port and a warehouse adopts a 400-million full-color high-definition network gun type camera of Haikangwei vision DS-2CD2T47DWD-L to carry out fixed-point monitoring on a monitored object; when light in the warehouse is insufficient, the camera starts the self-contained warm light compensation function, and the maximum light compensation distance is 30 meters; a200-ten-thousand 32-time infrared network intelligent spherical camera of Haicanwei DS-2DE7232IW-A is installed in a non-key area, and the camera has an automatic cruise function and can realize 720-degree automatic cruise on the non-key area. The video analog-to-digital converter 2 is a video analog-to-digital converter 2 with the model of TLC5510, and the image processor 3 is a video analog-to-digital converter with the model of GVHD 200. The video data are processed by the video analog-to-digital converter 2 and the image processor 3 in sequence and then transmitted to the central processor 7.

The audio unit includes a sound pickup 4 and an audio processor 5. Above the warehouse iron door, in the area of central monitoring, a sound pickup 4 of model L805P, an audio processor 5 of model TDA7377, was installed. The logistics park at night does not have a forklift to come and go, a warehouse iron door is opened with a sound, the sound pickup 4 captures abnormal sounds, audio information is transmitted to the central processor 7 through the audio processor 5, the control unit and the Ethernet 14, and a security guard of a monitoring room receives the audio information, calls corresponding monitoring information and calls a collection person to go to the site.

The biological sensing unit comprises a human body infrared sensing detector 6 with the model of ACJ-433 HW. The front end of the human body infrared sensing detector 6 is provided with a Fresnel lens 19 and a pyroelectric sensor 20, the Fresnel lens 19 focuses infrared rays radiated by a human body so as to improve detection sensitivity, and the pyroelectric sensor 20 is sequentially connected with a band-pass amplifier 21, a comparator 22, a light control circuit 23 and an output circuit 24. The comparator 22 can analyze whether the detected infrared data frequency band belongs to human or animal, if the detected infrared data frequency band belongs to human, the acquired infrared data is transmitted to the central processor 7 through the output circuit 24, the central processor 7 sends an instruction to the voice alarm module 12, the image processor 3 and the GSM module 9, the voice alarm module 12 sends a buzzer alarm, the image processor 3 intercepts real-time image data and sends the real-time image data to the GSM module 9, the GSM module 9 makes a call to the reserved mobile phone 16 through a built-in GSM card, and meanwhile, a video screenshot is sent in a short message mode. When a criminal runs away, the human body infrared sensing detector 6 is sequentially triggered, the GSM modules 9 of different monitoring points sequentially send screenshots to the mobile phone 16, and security personnel judge the position of the criminal and the running route according to the position of the screenshots and the sequence of the screenshots, so that the capturing success rate is improved.

The control unit comprises a central processor 7, a storage module 8, a GSM module 9, a JTAG interface circuit 10, a clock circuit 11 and a voice alarm module 12; the memory module 8, the GSM module 9, the JTAG interface circuit 10, the clock circuit 11 and the voice alarm module 12 are respectively connected with the central processor 7 through electric signals. The central processor 7 adopts a TI ARM Cortex-A8 high-performance processor with the model number of AM335X, the main frequency is 1GHz, and the operational capability reaches 1600 DMIPS; the GSM module 9 adopts the SIM800C as the module model, supports the GSM/GPRS850,900,1800,1900MHZ as the working frequency band, and covers the domestic mobile phone card mainstream frequency band. The chip model of the JTAG interface circuit 10 is HEADER; JTAG is an international standard test protocol, and can perform boundary scan and fault detection on a hardware circuit with a JTAG interface chip through the standard, and is mainly used for testing the inside of the chip and simulating and debugging a system. The JTAG test allows a plurality of devices to be connected in series through JTAG interfaces to form a JTAG chain, so that the devices are respectively tested, an ISP system is programmed, and a target storage unit is programmed. In the utility model discloses in, we use the JTAG interface to carry out u-boot image file and download to the development board for the first time, we use the parallel port to connect at PC end.

The storage module 8 used in the novel application comprises an SDRAM (synchronous dynamic random access memory) with the model number of MT41K256M16TW-107AAT, a static memory with the model number of HM6287HLJP-55 and a FLASH FLASH memory with the model number of SOP8, wherein the static memory is used for storing static data, the SDRAM module is used for storing intermediate data, and the FLASH memory is used as the FLASH memory. The SDRAM memory, the static memory and the FLASH FLASH memory are respectively and electrically connected with the central processor.

Clock circuit 11 is the heart of microcomputer, and it is controlling two rhythms of computer, and central processor 7 accomplishes different instruction functions through clock circuit 11, the utility model provides a clock circuit 11 adopts the model to be DS12C 887's formula clock circuit that cut straightly. The interface circuit of the control unit adopts an RJ45 interface circuit 13 with the model number of HR911102A, and the monitoring data processed by the central processor 7 is connected with an Ethernet interface reserved in the warehouse through the built-in RJ45 interface circuit 13 and six types of wires.

The transmission unit comprises an Ethernet 14 and an Ethernet server 15 with the model of Haokangwei iVMS-4200H, wherein the iVMS-4200H is a mini-server monitoring host NVR based on an embedded Windows operating system and can simultaneously access 128 paths of video information. The monitoring data is connected with the Ethernet server 15 through an Ethernet interface, a six-type line and an adapter, and the Ethernet server 15 connects the monitoring data to the television wall 17 through a VGA interface.

Compared with the traditional monitoring system which is adopted to receive 126 paths of monitoring data and at least requires a machine room to provide a rack for storing a video server, the maintenance cost is high; in the monitoring system, only one Ethernet server 15 of Haicanwei iVMS-4200H is needed for 126 channels of videos, and compared with a video server, the Ethernet server 15 has a small volume and a large number of integrated ports, so that the use space of a monitoring machine room is saved, and the maintenance cost is reduced. Compared with the traditional monitoring system, the embedded monitoring system adopts embedded software, and the space occupied by the embedded software is greatly reduced compared with the traditional system software, so that the power consumption of the system is effectively reduced, the data processing and transmission have the characteristics of high concurrency and low time delay, and the problem of time delay of the monitoring data is solved.

The system can also realize video monitoring, audio monitoring and automatic warning and photographing functions at the same time.

For traditional monitored control system, the utility model discloses monitor the data acquisition in-process at the front end and need not to lay coaxial cable for the camera, lay the video line and do not receive cable decay distance and building structure's restriction, simple to operate.

Example 2

The difference between this embodiment and embodiment 1 is that the transmission unit adopts an mjpeg-streamer ethernet server 15, the ethernet server 15 takes an ARM9 processor S3C2440 as a core, video information is acquired by the camera 1 in an embedded Linux system, the obtained video data is transmitted to the ethernet server 15 through an internal bus, the processed video data is transmitted out through the ethernet 14, and security personnel can access the ethernet server 15 through the mobile phone 16 to obtain monitoring field data.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an embedded monitored control system, includes acquisition element, transmission element, the control unit and output unit, its characterized in that: the acquisition unit is connected with the control unit through a cable, the control unit is connected with the output unit through the transmission unit, the transmission unit comprises an Ethernet server and an Ethernet, and the control unit comprises a central processor, a storage module, a GSM module, a voice alarm module, a JTAG interface circuit, a clock circuit and an RJ45 interface circuit; the storage module, the GSM module, the voice alarm module, the JTAG interface circuit, the clock circuit and the RJ45 interface circuit are respectively and electrically connected with the central processor.

2. An embedded monitoring system according to claim 1, characterized in that: the acquisition unit comprises a video unit, an audio unit and a biological sensing unit; the video unit comprises a camera, a video analog-to-digital converter and an image processor; the camera acquires video data and is connected to the central processor through the video analog-to-digital converter and the image processor in sequence; the audio unit comprises a sound pick-up and an audio processor; the sound pick-up is connected to the central processor through the audio processor; the biological sensing unit comprises a human body infrared sensing detector.

3. An embedded monitoring system according to claim 2, characterized in that: the human body infrared sensing detector comprises a Fresnel lens, a pyroelectric sensor, a band-pass amplifier, a comparator, a light control circuit and an output circuit which are sequentially connected.

4. An embedded monitoring system according to claim 1, characterized in that: the storage module comprises an SDRAM (synchronous dynamic random access memory), a static memory and a FLASH FLASH memory, wherein the SDRAM, the static memory and the FLASH FLASH memory are respectively and electrically connected with the central processor.

5. An embedded monitoring system according to claim 1, characterized in that: the output unit comprises one of an embedded LINUX operating system and a Windows operating system, and further comprises a PC computer, a television wall and a mobile phone.

6. An embedded monitoring system according to claim 1, characterized in that: the GSM module is internally provided with a GSM card, and the working frequency band supported by the GSM module is GSM/GPRS850,900,1800,1900MHZ.