CN103209318B - A kind of web camera - Google Patents
A kind of web camera Download PDFInfo
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- CN103209318B CN103209318B CN201310069062.3A CN201310069062A CN103209318B CN 103209318 B CN103209318 B CN 103209318B CN 201310069062 A CN201310069062 A CN 201310069062A CN 103209318 B CN103209318 B CN 103209318B
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Abstract
The invention provides a kind of web camera, it comprises AP module, camara module, ethernet switching module and wired ethernet mouth; Wherein ethernet switching module, is connected with described AP module, camara module and wired ethernet mouth respectively; Camara module comprises camera processes device, and whether camera processes device is AP module for determining from the operand of user's control instruction, if it is this control instruction is encapsulated in to control in message to send to AP module; Described AP module comprises AP processor and wireless traffic submodule, and wherein AP processor is for judging whether the message receiving from ethernet switching module carries described control mark, and the control instruction of if it is extracting in this message is processed. Web camera support of the present invention is enriched and networking form flexibly more, can reduce very significantly the cost of client in networking and drop into. And can provide for networking the guarantee of reliability.
Description
Technical field
The present invention relates to monitoring technique field, relate in particular to a kind of web camera of the AP of having module.
Background technology
In monitoring system, the development of CCTV camera has obtained significant progress, and web camera (IPC) becomes a kind of popular product gradually at present. Because CCTV camera can be deployed under various complex environments conventionally, some environment is difficult to allow to be laid with spider lines, and therefore WIFI web camera (WIFIIPC) has appearred in industry. WIFIIPC can access monitor network by wireless mode, has so greatly promoted the convenience of monitoring system on video camera is disposed. Please refer to Fig. 1, the framework of WIFIIPC is fairly simple, is similar to the mobile phone that current consumer uses, integrated WIFI module in it. Specifically, it draws usb bus in the CPU main system (comprising DDR, FLASH, audio/video encoding/decoding etc.) of original video camera, mixes USBWIFI module (WIFIUSBClientModule), draws radio frequency feed line and special WIFI antenna. So just design a WIFI web camera.
Such scheme is generally application in the industry cycle, needs supporting installation wireless aps for video camera access when it is disposed, and is converted to wireless or cable network access next stage AP or convergence switch. Please refer to the one typical case networking signal of Fig. 2, many WIFIIPC can access same AP conventionally, but can only make star network topology, and this has just limited the extension ability of network. Furthermore, if this public AP breaks down, all WIFIIPC under topology all cannot access network. In addition, in the position of comparing far-end, such as the WIFIIPC in the upper left corner in Fig. 2, it cannot be directly connected to and converge AP, increases one-level AP and do wireless bridge or relaying in the middle of now needing. Stopping of WIFIIPC distance centre in other words far away is more, need the AP quantity of increase more, and the cost that network is laid will be larger. The AP disposing in monitor network is technical grade AP normally, and its cost is far away higher than the AP of normal domestic use. In the middle of nowhere and WIFIIPC dispose quantity fewer time, need to dispose more AP, the lower deployment cost of individual node is quite high.
Summary of the invention
In view of this, the invention provides a kind of web camera, comprise AP module, camara module, ethernet switching module and wired ethernet mouth, wherein:
Ethernet switching module, is connected with described AP module, camara module and wired ethernet mouth respectively, and for complete the forwarding of message according to the target MAC (Media Access Control) address of message;
Camara module comprises camera processes device, wherein whether this camera processes device is AP module for determining from the operand of user's control instruction, if it is this control instruction is encapsulated in to control in message to send to AP module by ethernet switching module; Wherein this control message carries predetermined control mark;
Described AP module comprises AP processor and wireless traffic submodule, and wherein AP processor is for judging whether the message receiving from ethernet switching module carries described control mark, and the control instruction of if it is extracting in this message is processed; Described AP processor is further used for, the message of the wireless format that wireless traffic submodule is sended over is converted to the message of wired form, and this message is sent to ethernet switching module, the message of the wireless format that wherein wireless traffic submodule sends over is data message or controls message.
Web camera of the present invention realizes succinct and configuration utility is convenient, because it supports more abundant and networking form flexibly, can reduce very significantly the cost of client in networking and drop into, the guarantee of reliability can web camera of the present invention in a lot of networking forms can be provided for networking.
Brief description of the drawings
Fig. 1 is the frame principle of conventional wireless network video camera
Fig. 2 is the typical networking diagram of conventional wireless network video camera.
Fig. 3 is the architecture principle figure of web camera in one embodiment of the present invention.
Fig. 4 is the flow chart of configuration procedure in one embodiment of the present invention.
Fig. 5 is the typical networking diagram of a kind of web camera of the present invention.
Fig. 6 is the typical networking diagram of another web camera of the present invention.
Fig. 7 is the typical networking diagram of another web camera of the present invention.
Fig. 8 is the typical networking diagram of another web camera of the present invention.
Detailed description of the invention
The invention provides a kind of brand-new design of Network Camera scheme, the flexibility that is intended to increase substantially networking reduces networking cost simultaneously. Please refer to Fig. 3, Fig. 4 and Fig. 5, in the preferred mode of one, described web camera comprises: camara module, ethernet switching module, wired network interface (can be light mouth, can be also electricity mouthful) and AP module. Described camara module comprises camera processes (be called for short " IPC processor "), and camara module also comprises some business hardware certainly, such as codec chip etc. These business hardware are not shown in the drawings, can be realized with reference to various existing designs. The wireless traffic submodule (such as WIFI module) that described AP module comprises AP processor and is connected with AP processor. Described AP processor, it is mainly responsible for the data of AP module and the Business Processing of control plane, such as 802.3 messages of wired form being converted to 802.11 messages of wireless format. Described wireless traffic submodule is mainly responsible for the message processing of wireless notch portion. The processing of video camera of the present invention at data plane and control plane below described. These descriptions will embody design advantage of the present invention, and it is diverse with simple IPC and AP combination.
In traditional AP management, for the administration configuration of AP, can obtain the corresponding configuration page by the management ip address of access AP. Such as the AP of family expenses, can access a fixing management ip address, such as 192.168.1.1 etc. is linked at the Web configuration page. Whole processing procedure is that the processor of AP externally directly communicates. But in the present invention, be not directly to be processed by the processor of AP module for the configuration management of AP module. In the present invention, be responsible for responding user's configuration management by IPC processor. First when IPC processor receives user's logging request, can send the unified management page to user, this administration page comprises camara module and the various config options of AP module. No matter user wishes to configure camara module or AP module, all can under this configuration page, complete. Tool implementation procedure is below described.
Be to configure AP module as example by the wireless mouth of wireless traffic submodule taking user, first user sets up wireless connections with AP module, then asks to login the administration page corresponding to management ip address of camara module by these wireless connections. After user logins successfully and obtains administration page, the message interaction process between user and web camera is as follows:
Step 101, when AP processor is received the control message that user sends, sends to ethernet switching module by Port2.
The message that AP module is received from wireless mouth for wireless traffic submodule in the present invention completely sends from Port2, is decided the circulation direction of message by ethernet switching module. Due to user access be the management ip address on camara module, therefore the MAC Address of two of its message layers of head encapsulation is the MAC Address of camara module, instead of the MAC Address of AP module.
Step 102, ethernet switching module sends to Port1 according to the MAC Address of this message by this message.
Step 103, IPC processor is received this control message from Port1, obtains control instruction wherein, determines the operand that this control instruction is corresponding, if operand is AP module, goes to step 104. As previously mentioned, when the configuration operation of user on the page is the config option of AP module, user's terminal can corresponding sending controling instruction to IPC processor, IPC processor according to this control instruction determine user's operand be camara module or AP module. If towards camara module, such as configuration codes speed is isoparametric, IPC processor can be carried out this control instruction and revise corresponding parameter, and specific implementation can be with reference to existing mode processing. If 104 process especially towards going to step of AP module.
Step 104, IPC processor is encapsulated into control instruction in Ethernet message and sends, and carries control mark in message, and wherein the target MAC (Media Access Control) address of this message is the MAC Address of AP module.
Because the configuration page is that camara module provides, what that is to say that user accesses is the IP address of camara module, and it does not have way directly and AP processor is come into contacts with. Therefore it is initiated the control instruction that any configuration operation is corresponding and will send to IPC processor, IPC processor identifies and determines that this operation is the configuration operation for AP module according to the option of configuration operation, then corresponding control instruction is sent through ethernet switching module and is arrived AP processor by Port1. AP processor can be to carrying out this configuration operation after receiving, such as this operation is to adjust working channel, AP processor can correspondingly be controlled wireless traffic submodule and change working channel.
Because IPC processor also can send datagram, message is different from controlling, and what data message carried is monitoring business data. Monitoring business data generally include the multi-medium data such as image or audio frequency, the view data that the image arriving such as camera acquisition generates after DSP or related hardware coding etc. For controlling message, it is to need AP processor further to process the control instruction in it; And for data message, AP processor does not need to process monitoring business data wherein, but need to process in message format conversion aspect, and send as can be seen here from wireless mouthful by wireless traffic submodule, for dissimilar message, the processing of AP processor is not identical. In the present invention, IPC processor carries predetermined control and identifies to assist AP processor to distinguish the type of message controlling message or data message. This control mark can be self-defining mark, can be the privatization utilization to message reserved field.
Taking a simple implementation as example, IPC processor carries predetermined VLAN mark in control message, such as VLAN100. VLAN mark is publicly-owned field in a message, can retain a particular vlan and identify to realize, and the VLAN mark of this reservation is different from service VLAN mark. When receiving message, AP processor first checks the VLAN mark of this message, if VLAN100 determines that this message is for controlling message, otherwise determines that this message is data message. For AP processor, if determine that the message of receiving is to control message, extracts control instruction wherein, and carries out the configuration operation corresponding with this control instruction. If AP processor determines that its message of receiving is data message, change the form of this message into wireless message format, and send from wireless mouthful by wireless traffic submodule. In fact, control mark and be not limited to VLAN mark, it can also be MAC Address or IP address, or is the combination of IP address and MAC Address, can be even developer's self-defining privatization mark in some message reserved fields. It should be noted that, because the IP address of user's actual access is the management ip address of IPC module, here the IP address of AP module side is only used for distinguishing control message and data message, therefore even if the IP address of all video camera AP modules is all set to equally also can in network, not cause conflict, unless the AP module of video camera is because some need to use this IP address and outside to communicate very especially.
Step 101 has been described one to step 104 and has been controlled very especially message transmittance process, in fact AP processor need control message to be processed arrive at the beginning AP processor, but now AP processor " and not knowing " its need to process the entrained control instruction of this control message. In the present invention, this control message first send to IPC processor by AP processor, IPC processor find this control message operated to as if AP module, now detour and get back to AP processor from IPC processor again, AP processor just can identifying processing. Such processing mode seems that some detours, but first it does not almost affect for video camera overall performance, is very little ratio because control the quantity of message with respect to data message. Secondly,, because IPC developer will, for the IPC exploitation configuration page, therefore come in to save suitable development task by integrated the configuration page of AP module conventionally, do not need to develop separately a new configuration page, and safeguard easily. Finally, due to the page of camara module integrated the configuration item of AP module, AP module just no longer needs management ip address of additional configuration that independent Page Service is provided, such design has reduced configuration and management complexity, user experiences and is improved.
In addition, when user is initial, can also realize the configuration to camara module or AP module by wired mouth, this process is the same with aforementioned processing principle, and only controlling message is to come in from wired mouthful, and it is the same arriving IPC processor processing procedure afterwards. Controlling in processing procedure, in the time processing, because the BSSID of AP module etc. provides the parameter of wireless service also not configure, therefore AP module also cannot normally provide network insertion service, and now configuration operation need to be realized from wired mouthful. Once after initial configuration completes, just can come in to realize configuration operation from wireless mouthful of access.
As previously mentioned, because Port3 is wired mouthful, therefore it has equally data message and sends on AP processor by ethernet switching module, is identical to the processing of this AP processor, completes equally after format conversion through being sent by wireless traffic submodule. And no matter the message entering from wireless mouthful (wireless mouthful) is data message and control message, AP processor sends to ethernet switching module equally, is forwarded to Port1 or Port2 by ethernet switching module according to the MAC Address of message.
The processing procedure of various messages has been described from the angle of single network video camera above. On basis of the present invention, those of ordinary skill in the art can make a lot of more reliable and lower networking plans of cost. Below provide some networkings to realize illustrating the outstanding representation of the present invention at the aspect such as cost and reliability. Please refer to Fig. 5, two AP networking diagrams, video camera can serve as wireless relay, that is to say that video camera not only both can send the view data of self, also the view data of other video cameras can be forwarded towards convergence switch direction, can greatly reduce the deployment of AP quantity, even can not dispose AP. From topology, video camera A can arrive convergence switch by relaying video camera B or C. Video camera A under normal circumstances can preferred network link in good condition, such as passing through relaying video camera B forwarding data, in the time of B catastrophic failure, A detects that link is obstructed, can change strategy by C relay forwarding data, can not break down and affect the connection of rear class node validity because of a certain via node. For improving reliability, multiple alternative relaying video cameras can be set.
Please refer to Fig. 6, in the group-network construction of Fig. 6, because video camera has WIFI wave point and electricity mouth/light mouth wireline interface. Under the enough prerequisite of wireless bandwidth, whole networking does not need simple AP equipment, finally pull out a netting twine/optical fiber and be connected to and converge or Surveillance center, can also save the access switch of a low side, realize overall network video camera and independently build access network.
Please refer to Fig. 7, if in an existing cable network of user layout video camera, now user needs expanding monitoring region, such as the guarded region in certain building need to expand to the opposite side of its side road, wired camera and wireless camera mixed networking shown in so just can design of graphics 7, in larger network design, many switches be can save like this, finally convergence switch or Surveillance center are connected to by afterbody AP or video camera of the present invention.
Please refer to Fig. 8, use video camera of the present invention can also build loop network, operation loop network agreement, such as RRPP, can improve the robustness of whole network, and such loop network does not need to dispose a large amount of switches or AP equally. And in prior art, to dispose loop network, and not only to dispose video camera, also to dispose a large amount of switches and AP, cost is quite high.
Can find out from above embodiment; the present invention not only realizes with low cost; can also greatly simplify the networking of monitor network and significantly reduce monitor network networking cost, and networking mode is versatile and flexible, can also very effectively protect the existing investment of user on network.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (5)
1. a web camera, comprise AP module, camara module, ethernet switching module andWired ethernet mouth, is characterized in that:
Ethernet switching module, respectively with described AP module, camara module and wired ethernet mouthBe connected, and for complete the forwarding of message according to the target MAC (Media Access Control) address of message;
Camara module comprises camera processes device, and wherein this camera processes device is for determining from userWhether the operand of control instruction is AP module, if it is this control instruction is encapsulated in and controls reportIn literary composition, send to AP module by ethernet switching module; Wherein this control message carries predetermined controlSystem mark;
Described AP module comprises AP processor and wireless traffic submodule, and wherein AP processor is used forJudge that whether the message receiving from ethernet switching module carries described control mark, if it is extractsControl instruction in this message is processed; Described AP processor is further used for, by wireless trafficThe message of the wireless format that module sends over is converted to the message of wired form, and this message is sent toEthernet switching module, the message of the wireless format that wherein wireless traffic submodule sends over is datagramLiterary composition or control message.
2. web camera as claimed in claim 1, is characterized in that, when from ethernet switching moduleWhen the message receiving does not carry described control mark, described AP processor is further used for this messageForm is wireless format from wired format conversion, and sends by the wireless mouth of wireless traffic submodule.
3. web camera as claimed in claim 1, is characterized in that, described control is designated defaultIP address or default MAC Address or default IP address and the combination of MAC Address.
4. web camera as claimed in claim 1, is characterized in that, described control is designated defaultVLAN mark.
5. web camera as claimed in claim 1, is characterized in that, described camera processes device entersOne step response user's logging request, and provide administration page to user, wherein this administration page comprisesThe config option of AP module.
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| CN201310069062.3A CN103209318B (en) | 2013-03-05 | 2013-03-05 | A kind of web camera |
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| CN201310069062.3A CN103209318B (en) | 2013-03-05 | 2013-03-05 | A kind of web camera |
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| CN103209318B true CN103209318B (en) | 2016-05-11 |
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| CN105516658B (en) * | 2015-11-30 | 2019-10-18 | 浙江宇视科技有限公司 | A kind of monitoring device control method and device |
| US10700763B2 (en) | 2015-12-18 | 2020-06-30 | Mitsubishi Electric Corporation | Wireless relay device, wireless relay method, and computer readable medium |
| CN108718262B (en) * | 2018-06-13 | 2022-02-25 | 深圳市共进电子股份有限公司 | System and method for testing throughput between IPC and AP |
| CN110830419B (en) * | 2018-08-09 | 2021-05-18 | 华为技术有限公司 | Access control method and device for internet protocol camera |
| CN109120852A (en) * | 2018-09-26 | 2019-01-01 | 深圳市共进电子股份有限公司 | Internet protocol camera system, web camera and security system |
| CN112311644B (en) * | 2019-07-31 | 2022-04-12 | 浙江宇视科技有限公司 | Bridge establishing method and device, network video recorder and readable storage medium |
| CN112584382B (en) * | 2019-09-30 | 2022-07-19 | 浙江宇视科技有限公司 | Automatic bridging method and device and electronic equipment |
| CN110876145A (en) * | 2019-11-20 | 2020-03-10 | 广州市宏视电子技术有限公司 | Wireless camera system and gateway equipment |
| CN112468755B (en) * | 2020-11-16 | 2023-02-24 | 杭州萤石软件有限公司 | Data transmission method and network terminal equipment |
| CN112601024B (en) * | 2020-12-14 | 2021-08-31 | 中标慧安信息技术股份有限公司 | Management processing method and system for automatic intelligent monitoring video |
| CN112836089B (en) * | 2021-01-28 | 2023-08-22 | 浙江大华技术股份有限公司 | Method and device for confirming motion trail, storage medium and electronic device |
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