CN104735326A - Surveillance camera with built-in wireless AP - Google Patents
Surveillance camera with built-in wireless AP Download PDFInfo
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- CN104735326A CN104735326A CN201510162137.1A CN201510162137A CN104735326A CN 104735326 A CN104735326 A CN 104735326A CN 201510162137 A CN201510162137 A CN 201510162137A CN 104735326 A CN104735326 A CN 104735326A
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Abstract
The invention belongs to the technical field of information, and relates to a surveillance camera with a built-in wireless AP. The surveillance camera with the built-in wireless AP is characterized in that the surveillance camera with the built-in wireless AP, the surveillance camera and the wireless AP share a central processing unit, the surveillance camera is communicated with the central processing unit through an MIPI serial interface or a CMOS parallel interface, and meanwhile, a wireless wifi network card is communicated with the central processing unit through a standard mini PCIe interface. The central processing unit expands outwards to form an Ethernet network transmission module, a GPS module, a 3G/4G module and the like. An integral system supports two power supply modes, and power can be supplied by the system through a 24 V direct current and also power can be supplied by the system through an Ethernet network. The surveillance camera with the built-in wireless AP not easily combines the surveillance camera and the built-in wireless AP, but to provide a brand new technology under the energy-saving and practical requirement, the problem that a wireless AP device interface is not provided in a large-scale public place or a train system can be effectively solved.
Description
Technical field
The invention belongs to areas of information technology, relating to the technology such as Internet Transmission, wireless aps and IMAQ, is a kind of monitoring camera of built-in wireless aps.Wireless aps and monitoring camera simply merge by the present invention, but provide a kind of technology that wireless aps can be built in monitoring camera under energy-conservation and actual demand.
Background technology
Along with the development of information technology, people require more and more higher to the network facilities of public place, be airport, high ferro or megastore be at present all for passenger and client provide free wireless network.Wireless aps is the HUB in cable network, realizes the necessary devices that wireless network covers when being also and setting up micro radio local area network (LAN).Its formation of general wireless aps comprises central processing unit, be arranged on AP module on central processing unit and power module.Although the moulding of wireless aps simply takes up room less, but it is uninterrupted in order to what ensure in network transmission process, various public place needs to install a large amount of wireless aps, this brings inconvenience to the attractive in appearance and facilities management of public place, has a lot of public place not allow to install the wireless aps of peripheral hardware especially.
Meanwhile, in order to safeguard fail safe and the convenience of public interest and raising citizen trip, monitoring camera all can be installed in a lot of public place at present.Report according to statistics, 2010 time, Nanjing is just provided with nearly 90,000 of monitoring camera.Wuhan City also will build up 250,000 video monitoring cameras at present.Monitoring camera on the one hand can to people come in and go out public place time behavior monitor, so that the evidence obtaining of relevant departments; Can monitor the volume of the flow of passengers of public place on the other hand, particularly at subway or high ferro station, monitoring camera can also be offered help for staff dredges flow of the people.Therefore, generally the monitoring camera density of installing in public places is very high, is also allowed installation.A set of supervisory control system generally comprises with the monitoring camera of USB interface, transmission network and server, and by camera collection to video, being carried out by video storing in Internet Transmission to server is the common pattern of supervisory control system.
Camera relates to the concept at a monitoring visual angle, and therefore the camera of public place generally can not be stealthy, the particularly monitoring camera of wide-angle.For public place, if on the basis of installing camera, more a large amount of wireless aps is installed, is very waste resource, also can affects the outward appearance of public place.Consider that the design of wireless aps and monitoring camera also exist and contact closely between designing, therefore can wireless aps is built in monitoring camera, so both effectively can solve wireless aps and limited problem is installed, can ample resources be saved again simultaneously.
Summary of the invention
The present invention is directed to above-mentioned mentioned problem, provide a kind of monitoring camera of built-in wireless aps, the perfection that can realize monitoring camera and wireless aps is merged, make the product realized based on the technology of the present invention be the monitoring camera of a wide-angle in appearance, wireless aps is built in camera inside completely.
A monitoring camera for built-in wireless aps, comprises the minimum system, electric power system, wireless aps module, video acquisition module, Ethernet transport module, outer net link block and the GPS module that comprise central processing unit.
Described minimum system comprises: the UART interface of central processing unit, buffer memory DDR3, non-volatile line storage, debugging is (for debugging routine, input command, display board running state information) and USB-OTG interface (for the firmware that downloads) and clock and reset etc.Minimum system is that equipment can normally start, initialization, loading procedure indispensable structure, be the basis realizing each function of product.
Described wireless aps module comprises by 1 × PCIe bus of radio frequency wifi antenna, central processing unit extraction, standard mini PCIe interface and the wireless network card meeting this interface standard.The function of wireless aps module sends wifi signal by plugging wireless network card at Mini PCIe interface place, sets up WLAN (wireless local area network), extracted the information of terminal equipment by wifi simultaneously.
Described video acquisition module is made up of the high-definition camera being connected to central processing unit, high-definition camera communicates with central processing unit by CMOS parallel interface or MIPI serial line interface, by monitoring camera, the video information of collection is sent to central processing unit.
Wireless aps module and video acquisition module share a central processing unit, and wireless aps module is placed in monitoring camera.
Described electric power system supports two kinds of supply power modes: direct current 24V powers and Power over Ethernet.Power over Ethernet, is also called POE and powers, and only need connect the equipment with POE power supply capacity by netting twine, its design principle as shown in Figure 3.Electric power system is used for powering for whole equipment, is the guarantee that product normally works;
Described Ethernet transport module supports 1000Mbps, 100Mbps and 10Mbps tri-kinds of transmission modes, and the major part of transport module is the Ethernet media access controller that an Ethernet physical interface transponder chip and are integrated in central processor core inside.This Ethernet media access controller can the work of control data link layer, and data link layer then provides the functions such as the structure of addressing mechanism, Frame, data error inspection, transfer control, the data-interface providing standard to network layer.The major function of transport module has two aspects: one is receive whole PIS system other products also to answer accordingly the order that this equipment sends; Two is send the passenger and environmental information that are extracted by wifi and camera;
Described outer net link block, for connecting extraneous network, sets up wide area network, supports the various criterions such as 2G, 3G, 4G.
Described GPS module provides gps satellite positioning function for equipment, can carry out location and time location as required.
The invention provides a kind of monitoring camera of built-in wireless aps, both can realize video information high speed acquisition and decode, the covering that WIFI signal forms wireless network can be launched again simultaneously, the perfect seamless link of two kinds of applicable cases can be realized; This equipment completes the monitor camera device of identical function and wireless aps device has saved production cost; Finally, with the outward appearance of monitoring camera outward appearance as a whole, for WIFI antenna provides most suitable installation site, avoid the problem that peripheral hardware wireless aps is forbidden installing in many public places.
Accompanying drawing explanation
The schematic diagram of Fig. 1 technology provided by the present invention.
The schematic diagram of a kind of specific product of Fig. 2 technology provided by the present invention.
Electric power system schematic diagram in Fig. 3 technology provided by the present invention.
Embodiment
Below in conjunction with accompanying drawing, a kind of embodiment set forth in the present invention is described.Attached Figure 2 shows that a kind of product based on the technology of the present invention implement schematic diagram.
In Fig. 2, minimum system central processing unit is a based on ARM Cortex
tMthe four core automotive grade processors of-A9@1GHz, integrated multiple physical layers phy interface (as HDMI, USB, PCIE etc.).Central processor core is the ARM Cortex based on ARMv7 framework
tM-A9MPCore, integrated multimedia NEON processing unit, supports integer and floating point type computing.Integrated chip IPU, VPU, 3D/2D GPU, integrated multiple video and audio coding, support H.263, H.264, the multiple format such as MPEG-1/2/4, AVS, VC-1, RV8, there is powerful coding and decoding video ability.Can complete compression fast to the video image information by camera collection, accelerate and the work of encoding and decoding, be suitable for the application of image procossing aspect, this processor has done perfect balance in performance and power consumption simultaneously, is applicable to various wireless device.
Electric power system supports two kinds of supply power modes: direct current 24V powers and Power over Ethernet.Electric power system is used for powering to whole equipment;
Transport module refers to the Ethernet physical interface transceiver AR8031 be connected on inner Ethernet media access controller (MAC) of central processing unit, supports 1000Mbps, 100Mbps and 10Mbps pattern.The work of Ethernet media access controller (MAC) control data link layer, data link layer then provides the functions such as the structure of addressing mechanism, Frame, data error inspection, transfer control, the data-interface providing standard to network layer.Ethernet physical interface transceiver controls the work of physical layer, defines data and transmits and the electricity required for reception and light signal, line status, clock reference, data encoding and circuit etc., and provide standard interface to data link layer device.
Wireless aps module is the wireless network card communicated with central processing unit by mini PCIe interface, outwardly sends WiFi signal by wireless network card, and communications band supports 2.4GHZ and 5GHZ, with primary processor by PCIe bus communication.For wireless aps module, different according to the model of selected network interface card, its wireless transmission protocol supported and speed can slightly differences.
Video acquisition module is made up of the high-definition camera being connected to central processing unit, and high-definition camera is connected to central processing unit by CMOS parallel interface or MIPI serial line interface, by monitoring camera, video is sent to central processing unit.
Outer net link block is the 3G/4G module in accompanying drawing 2, for connecting extraneous network, sets up wide area network.Support the standard that 2G, 3G, 4G etc. are different.
Described GPS module is connected to central processing unit by UART interface, for equipment provides gps satellite positioning function, can position the particular location at product place and time as required.
The product realized based on the technology of the present invention mainly completes two-part function, also be a workflow after this product starts, namely after device start, on the one hand the wifi quorum sensing inhibitor launched of AP module to the terminal equipment in scope (as mobile phone, computer etc.), and extract simultaneously these terminal equipments data message (as model, position, quantity etc.) and by these information feed back to central processing unit.Central processing unit receives by wired or wireless network the audio/video information sended over by other equipment (as multimedia player) in system, and these information are sent to terminal equipment by AP module; On the other hand, because central processing unit has powerful image procossing and acceleration capacity, therefore can carry out the work of coding at a high speed and compression to the image information come by camera collection, and send these information to digital recording memory machine by wireless or cable network.
Claims (2)
1. a monitoring camera for built-in wireless aps, comprises the minimum system, electric power system, wireless aps module, video acquisition module, Ethernet transport module, outer net link block and the GPS module that comprise central processing unit; It is characterized in that:
The described minimum system comprising central processing unit comprises: the UART interface of central processing unit, buffer memory DDR3, non-volatile line storage, debugging and USB-OTG interface, clock and reset;
Described wireless aps module comprises by 1 × PCIe bus of radio frequency wifi antenna, central processing unit extraction, standard mini PCIe interface and the wireless network card meeting this interface standard; The function of AP module sends wifi signal by plugging wireless network card at Mini PCIe interface place, sets up WLAN (wireless local area network), extracted the information of terminal equipment by wifi simultaneously;
Described video acquisition module is made up of the high-definition camera being connected to central processing unit, and high-definition camera is communicated with central processing unit by CMOS parallel interface or MIPI serial line interface, by monitoring camera, the video information of collection is sent to central processing unit;
Antenna AP module and video acquisition module share a central processing unit, and antenna AP module is placed in monitoring camera;
Described electric power system supports two kinds of supply power modes: direct current 24V powers and Power over Ethernet;
Described Ethernet transport module is the Ethernet media access controller that an Ethernet physical interface transponder chip and are integrated in central processor core inside, the work of this Ethernet media access controller control data link layer, data link layer then provides the structure of addressing mechanism, Frame, data error inspection, transfer control, provides the data-interface of standard to network layer;
Described outer net link block, for connecting extraneous network, sets up wide area network, supports 2G, 3G, 4G; .
Described GPS module provides gps satellite positioning function for equipment, carries out location and time as required and positions.
2. the monitoring camera of a kind of built-in wireless aps according to claim 1, is characterized in that, described Ethernet transport module supports 1000Mbps, 100Mbps and 10Mbps tri-kinds of transmission modes.
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| CN201510162137.1A CN104735326B (en) | 2015-04-07 | 2015-04-07 | A kind of monitoring camera of built-in wireless aps |
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| CN104735326A true CN104735326A (en) | 2015-06-24 |
| CN104735326B CN104735326B (en) | 2018-02-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106707904A (en) * | 2017-03-19 | 2017-05-24 | 南京德宏数码技术有限公司 | Total pollutant discharge amount monitor |
| CN104735326B (en) * | 2015-04-07 | 2018-02-23 | 大连海天兴业科技有限公司 | A kind of monitoring camera of built-in wireless aps |
| CN110475163A (en) * | 2019-08-23 | 2019-11-19 | 山东临工工程机械有限公司 | A kind of excavator tele-control system and excavator |
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| CN104735326B (en) * | 2015-04-07 | 2018-02-23 | 大连海天兴业科技有限公司 | A kind of monitoring camera of built-in wireless aps |
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| CN102238367A (en) * | 2010-04-23 | 2011-11-09 | 上海东嵌科技发展有限公司 | Video monitoring system based on 3G mobile communication technology |
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Denomination of invention: A monitoring camera with built-in wireless AP Effective date of registration: 20230111 Granted publication date: 20180223 Pledgee: China Everbright Bank Corporation Dalian Bayi Road Sub-branch Pledgor: DALIAN SEASKY AUTOMATION Co.,Ltd. Registration number: Y2023210000002 |