TWI513322B - Universal plug and play network monitoring system and its control method - Google Patents

Description

Universal plug-and-play network monitoring system and control method thereof

The invention relates to a monitoring system and a control method thereof, in particular to a universal plug-and-play network monitoring system and a control method thereof.

With the rapid development of the Internet, the application of network cameras has become more and more popular. At present, network cameras have been widely used in remote monitoring of government agencies, financial institutions, medical institutions, office buildings, and the like. In addition, because the network camera can instantly transmit the captured video to the far end, it is also often used in video conferencing.

When installing a webcam, it is often necessary to connect the webcam to the router and go through a series of complicated network-related settings to complete the installation of the webcam. If you use a router that supports the Universal Plug and Play (UPnP) function, you need to log in to the network camera to confirm its corresponding public port (Public Port), and then click on the browser. You can connect to the webcam via the Internet by typing in its public address and public transmission nickname.

In addition, in the existing technology of accessing the remote network camera, the router supporting the UPnP function cannot display the network camera connected thereto on the webpage provided by the router, so that the user can perform subsequent related operations. It is necessary to seek a solution.

Accordingly, it is an object of the present invention to provide a method of controlling a universal plug-and-play network monitoring system that is convenient for the user to monitor.

Therefore, the control method of the universal plug-and-play network monitoring system of the present invention comprises the following steps: (A) a network camera transmits a registration information packet to a router, wherein the registration information packet has a transmission including a plurality of requests. An 埠 埠 transmission request message and a description message including a verification code corresponding to a plurality of transmissions to be used for request; (B) the router provides the transmission 埠 to the network camera for use And the router compares whether the predetermined verification code pre-stored in the router and the verification code of the network camera are the same; and (C) when the comparison result in the step (B) is YES, the router will The connection method of the webcam is presented on a router-side webpage provided by the router.

Another object of the present invention is to provide a universal plug-and-play network monitoring system that is easy for the user to monitor.

Thus, the universal plug-and-play network monitoring system of the present invention comprises a network camera and a router electrically connected to the network camera.

The webcam includes a first universal plug and play unit. The first universal plug-and-play unit is configured to transmit a registration information packet, wherein the registration information packet has a transmission request message including a plurality of transmission nicknames to be requested, and a description message including a verification code. The transmission nicknames correspond to a plurality of transmissions to be used.

The router includes a storage unit, a second universal plug-and-play unit, a webcam management unit, and a router-side web server. . The storage unit is configured to store a predetermined verification code in advance. The second universal plug-and-play unit is configured to receive the registration information packet. The webcam management unit is configured to compare whether the predetermined verification code pre-stored in the storage unit and the verification code of the webcam are the same. The router-side web server is configured to provide a router-side webpage, wherein when the comparison result between the predetermined verification code in the storage unit and the verification code of the network camera is the same, the router-side web server is further used. The connection mode of the webcam is presented on the router-side webpage provided by the router-side web server.

The effect of the invention is that the comparison between the predetermined verification code and the verification code of the network camera is performed by the router, and the connection mode of the network camera matching the comparison is presented on the router end provided by the router. On the webpage, the user can directly connect to the webpage of the router to connect to the webcam. After logging in to the webcam to confirm the public transmission, the network can be connected to the network through the network. The road camera can achieve the effect of monitoring.

1, 2‧‧‧ network camera

11, 21‧‧‧ First Universal Plug and Play Unit

12, 22‧‧‧ Camera-side web server

13, 23‧‧‧Transmission request unit

3‧‧‧ router

31‧‧‧ storage unit

311‧‧‧Database

32‧‧‧Second Universal Plug and Play Unit

33‧‧‧Transportation Management Unit

34‧‧‧Webcam Management Unit

35‧‧‧Router-side web server

4‧‧‧Customer device

502~519‧‧‧Steps

6‧‧‧Router-side webpage

61‧‧‧Connection button

62‧‧‧ Private IP field

63‧‧‧MAC address field

64‧‧‧Name field

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a block diagram illustrating a preferred embodiment of the universal plug-and-play network monitoring system of the present invention; 2 is a flow chart illustrating a registration procedure in a preferred embodiment of the universal plug-and-play network monitoring method of the present invention; FIG. 3 is a flow chart illustrating a comparison of the universal plug-and-play network monitoring method of the present invention. a transmission 埠 closing procedure in a preferred embodiment; 4 is a flow chart illustrating a transmission check procedure in a preferred embodiment of the universal plug-and-play network monitoring method of the present invention; and FIG. 5 is a schematic diagram showing a router-side web page provided by a router.

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the universal plug-and-play network monitoring system of the present invention comprises a network camera 1, another network camera 2, and an electrical connection to the network camera 1 and the other. Router 3 of the network camera 2. In the preferred embodiment, the two network cameras 1, 2 are used for description, but the operation method of one or more network cameras is similar, and the present invention is not limited to the preferred embodiment. Revealed.

The network camera 1 includes a first universal plug-and-play unit 11 for performing a universal plug-and-play communication mechanism with the router 3, a camera-side web server 12 for providing a camera-side webpage, and a The request unit 13 is requested to transmit the transmission. Similarly, the other network camera 2 includes a first universal plug-and-play unit 21 for performing a universal plug-and-play communication mechanism with the router 3, and a camera-side web server for providing a camera-side webpage. The device 22 and a transmission request unit 23 for requesting transmission of the device.

The router 3 includes a storage unit 31 having a database 311, and a second universal plug-and-play unit 32 for performing a universal plug-and-play communication mechanism with the network camera 1 and the other network camera 2. a transmission management unit 33 for managing all the transmission ports provided by the network, and a network camera for managing the network camera 1 and the other network camera 2 The camera management unit 34 and a router-side web server 35 for providing a router-side web page.

The steps of the control method of the universal plug-and-play network monitoring system of the present invention and the details of the components of the universal plug-and-play network monitoring system will be described below with reference to the flowcharts of FIGS. 2 to 4, and the steps are summarized into one registration. Program, a transfer, close program, and a transfer check program.

Referring to FIG. 1, FIG. 2 and FIG. 5, when the network camera 1 and the other network camera 2 are electrically connected to the router 3, the router 3 needs to be registered first, and the registration procedure includes the following steps.

Registration procedure

In the preferred embodiment, since the transmission and communication steps of the related packet between the router 3 and the network camera 1 and the other network camera 2 are the same, only the router 3 and the network are described in detail herein. The transmission and communication steps of the relevant packets between the cameras 1 and the transmission and communication steps of the related packets between the router 3 and the other network camera 2 can be deduced by analogy.

As shown in step 502, the transmission buffer request unit 13 of the network camera 1 generates a plurality of transmission nicknames to be requested, and the first universal plug and play unit 11 of the network camera 1 transmits a registration information packet to the The router 3, wherein the registration information packet has a transmission request message including the transmission nickname of the request and a description message including a verification code, a media access control address and a name. The transmission nicknames of the requests are respectively corresponding to a plurality of transmission ports to be used for request. The transports to be used for the request include a Hypertext Transfer Protocol (HTTP) transport, and an instant stream protocol (Real Time Streaming). Protocol, referred to as RTSP) transport, Real-time Transport Protocol (RTP) transport, and Real Time Transport Control Protocol (RTCP) transport.

As shown in step 503, the transmission buffer management unit 33 of the router 3 determines whether the transmission buffers to be used for use have been used according to the transmission nicknames to be used, and if so, proceed to the processing of step 504; otherwise The processing of step 506 is continued.

In the preferred embodiment, the network camera 1 and the other network camera 2 may generate the same transmission nickname to be requested. For example, if the transmission ports corresponding to the transmission nicks 6370, 6371, 6372 are not yet used, and the network camera 1 wants to request transmission nicknames 6370, 6371, 6372, and 6373, and the other network camera 2 The transmission nicknames to be requested are also 6370, 6371, 6372 and 6373. At this time, if the registration information packet of the network camera 1 is first transmitted to the router 3, the transmission port corresponding to the transmission nickname (6370, 6371, 6372, and 6373) to be requested by the network camera 1 has not been used yet. Therefore, it can be provided to the webcam 1 for use. On the other hand, if the registration information packet of the other network camera 2 is first transmitted to the router 3, the router 3 has provided the transmission port corresponding to the transmission nicknames (6370, 6371, 6372, and 6373) to the other. A network camera 2 is used, so the network camera 1 needs to request other transmission nicknames, which is well known to those skilled in the art of plug-and-play, and is not the focus of the present invention.

As shown in step 504, the second universal plug of the router 3 The ready-to-use unit 32 transmits a transmission port that has been used to the network camera 1 to notify the network camera 1 to retransmit the registration information packet.

As shown in step 505, the transmission buffer request unit 13 of the network camera 1 updates the transmission nickname of the requesting request in the registration information packet, and the first universal plug and play unit 11 of the network camera 1 re The registration information packet is transmitted to the router 3, and the processing of the step 503 is continued.

As shown in step 506, the transmission port management unit 33 of the router 3 provides the transmission port to be used for use to the network camera 1 for use, and the network camera management unit 34 of the router 3 is pre-stored in the comparison. Whether the predetermined verification code of the storage unit 31 of the router 3 and the verification code of the network camera 1 are the same, and if so, the processing of step 507 is continued; otherwise, the processing of step 508 is continued.

As shown in step 507, the network camera management unit 34 of the router 3 sets the private Internet Protocol (IP) address, name, and media access control (Media Access Control) of the network camera 1. The MAC address and the transmission nickname are stored in the database 311 in the storage unit 31 of the router 3, and the router-side web server 35 of the router 3 identifies the data of the network camera 1 according to the database 311. And the connection mode is displayed on a router-side webpage 6 provided by the router-side web server 35 of the router 3, for a user to connect to the router 3 through a network by using a client device 4, and The router side webpage 6 is browsed and connected to the webcam 1, wherein the router end webpage 6 is connected by a connection button 61 connectable to the webcam 1. Now, the connection mode of the network camera 1 may be such that the connection mode of the network camera 1 is presented to the external public address of the network camera 1 and the transmission management unit 33 is configured for the network. The HTTP transmission of the camera 1 transmits a nickname for the user to type in the public address and transmission nickname presented by the browser to connect to the network camera 1, and is not limited to the preferred embodiment. The way it is presented. In the preferred embodiment, the identification data of the network camera 1 includes the private IP address, MAC address and name of the network camera 1 (such as the private IP field 62 and the MAC address field in FIG. 5). 63 and name field 64)).

As shown in step 508, the network camera management unit 34 of the router 3 does not store the private IP address, name, MAC address, and the transmission nickname of the network camera 1 in the database 311 of the router 3. The router-side web server 35 of the router 3 does not present the identification data and connection mode of the network camera 1 on the router-side webpage 6 provided by the router 3.

Referring to FIG. 1, FIG. 3 and FIG. 5, based on the consideration of data transmission security, the router 3 will turn off its open and unused transmission ports every ten minutes when implementing the universal plug-and-play technology until the network The road camera 1 deletes the private IP address, name, MAC address and the transmission nickname of the network camera 1 stored in the database 311 of the router 3 to end the transmission/closing process, and the transmission 埠The shutdown procedure consists of the following steps.

Transfer 埠 close program

As shown in step 509, the transmission buffer management unit 33 of the router 3 determines whether it is necessary to close the terminal for a preset time (for example, ten minutes). At least one of HTTP transport, RTSP transport, RTP transport, and RTCP transport, if yes, proceed to step 510; otherwise, proceed to step 513.

The transmission port management unit 33 of the router 3 determines whether the HTTP transmission port needs to be closed by detecting whether the camera-side web server 12 of the network camera 1 is in a connection state, if the transmission management unit When it is detected that the camera-side web server 12 of the network camera 1 is in the connection state, it is determined that the HTTP transmission is not required to be closed, otherwise, it is determined that the HTTP transmission is required to be closed. In addition, the transmission buffer management unit 33 of the router 3 determines whether the RTSP transmission and the RTP transmission need to be closed by detecting whether the RTSP transmission, the RTP transmission, and the RTCP transmission are respectively performing their respective corresponding packet transmissions.埠 and RTCP transport 埠. If the transmission management unit 33 detects at least one transmission packet without packet transmission, it is determined that the transmission packet of the packetless transmission needs to be closed, otherwise, it is determined that the RTSP transmission, the RTP transmission, and the RTCP transport 埠.

As shown in step 510, the transport port management unit 33 of the router 3 turns off at least one of the HTTP transport port, the RTSP transport port, the RTP port, and the RTCP port.

As shown in step 511, the transport port management unit 33 of the router 3 determines whether the HTTP transport port has been closed, and if so, proceeds to the process of step 512; otherwise, the process of step 509 is continued.

As shown in step 512, the webcam management unit 34 of the router 3 will take the network photo stored in the database 311 of the router 3. The private IP address, name, MAC address and the transmission nickname of the camera 1 are deleted, and the router-side web server 35 stops displaying the identification data and connection mode of the network camera 1 on the router-side webpage. 6 on.

As shown in step 513, the transport port management unit 33 of the router 3 does not close the HTTP transport port, the RTSP transport port, the RTP port, and the RTCP port.

Referring to FIG. 1 and FIG. 4, after the network camera 1 is electrically connected to the router 3 and obtains the corresponding transmission port, the network camera 1 checks the status of all the transmission ports every five minutes until the network camera If the network route that is turned off or the network camera 1 is connected to the router 3 is removed, the transmission check program is terminated, and the transmission check program includes the following steps.

Transmission check procedure

As shown in step 514, the first universal plug and play unit 11 of the network camera 1 transmits a transport status check request packet to the router 3 for another predetermined time (for example, five minutes) to check the network. Each of the transmission cameras 1 has an open state or a closed state.

As shown in step 515, the second universal plug-and-play unit 32 of the router 3 transmits a transport status packet to the network camera 1, wherein the transport status packet has a corresponding transmission port of the network camera 1. The open state or the closed state.

As shown in step 516, the transmission buffer request unit 13 of the network camera 1 determines whether there is at least one transmission buffer in the closed state according to the transmission status packet, and if yes, proceeds to step 517. Processing; otherwise, proceed to the processing of step 519.

As shown in step 517, the first universal plug-and-play unit 11 of the network camera 1 transmits a transport enable request packet to the router 3 to request the router 3 to turn on the transport port in the closed state, where The transport 埠 open request packet has the transport nickname of the transport 处于 in the closed state.

As shown in step 518, the transport port management unit 33 of the router 3 turns on the transport port in the closed state according to the transport port open request packet.

As shown in step 519, the first universal plug and play unit 11 of the network camera 1 does not transmit the transport enable request packet to the router 3.

In the preferred embodiment, the preset time and the other preset time are respectively ten minutes and five minutes, but the preset time and the other preset time may also be changed according to different requirements, and Limited.

Referring to FIG. 1 and FIG. 5, assuming that the verification code of the other network camera 2 is also the same as the predetermined verification code of the router 3, the other network camera 2 also performs the registration procedure and transmission with the router 3. The network camera that is presented by the router-side webpage 6 provided by the router 3 includes the network camera 1 and the other network camera 2.

In summary, the router-side webpage 6 can present the network cameras 1 and 2 that match the verification code in the same local area network, so the user does not need to log in to each of the network cameras 1, 2 to obtain each. Network camera 1, 2 public transmission ports (eg, HTTP transmission ports), and do not need to memorize each public transmission port to connect to each network camera 1, 2 through the network; that is, provided by the router 3 The router-side webpage 6, the user only needs to connect to the router-side webpage 6, and can connect with each of the webcams 1, 2 recorded on the router-side webpage 6, so that the monitoring effect can be achieved. Therefore, the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

1, 2‧‧‧ network camera

11, 21‧‧‧ First Universal Plug and Play Unit

12, 22‧‧‧ Camera-side web server

13, 23‧‧‧Transmission request unit

3‧‧‧ router

31‧‧‧ storage unit

311‧‧‧Database

32‧‧‧Second Universal Plug and Play Unit

33‧‧‧Transportation Management Unit

34‧‧‧Webcam Management Unit

35‧‧‧Router-side web server

4‧‧‧Customer device

Claims (8)

A method for controlling a universal plug-and-play network monitoring system includes the following steps: (A) a network camera transmits a registration information packet to a router, wherein the registration information packet has a transmission including a plurality of requests. a transmission request message and a description message including a verification code corresponding to a plurality of transmission ports to be used for request, wherein the transmissions include a hypertext transfer protocol transmission; (B) The router provides the transmission port to the network camera for use, and the router compares whether a predetermined verification code pre-stored in the router and the verification code of the network camera are the same; and (C) when the step (B) When the comparison result is YES, the router presents the connection mode of the network camera to a router-side webpage provided by the router; and (D) the router detects the network at a preset time. Whether the web server of the camera of the camera is in a connected state, and when the router detects that the web server of the camera is in the connection state, the super file transfer protocol is not closed.埠, when the router detects that the web server of the camera is not in the connection state, the file transfer protocol is closed, and the identification data and connection mode of the network camera are stopped from being presented on the webpage of the router. on. The control method of the universal plug-and-play network monitoring system according to claim 1, wherein in the step (C), when the comparison result in the step (B) is YES, the router uses the network Camera's private internet protocol bit The address, the name, the media access control address, and the transmission nickname are stored in the database of the router, and the router provides the router-side webpage according to the database, wherein the connection mode of the network camera is A connection button that can be connected to the webcam is presented, and the webpage of the router is further used to present the identification information of the webcam, and the identification information of the webcam includes the name of the webcam. The control method of the universal plug-and-play network monitoring system according to claim 1, wherein in the step (A), the transmission ports further comprise an instant stream protocol transmission port and an instant transmission protocol transmission port. And an instant transmission control protocol transmission, and in the step (D), the router detects whether the instant stream protocol transmission, the instant transmission protocol transmission, and the instant transmission control protocol transmission are performing their respective Corresponding packet transmission, when the router detects at least one transmission and does not perform packet transmission, the transmission port that does not perform packet transmission is closed. The control method of the universal plug-and-play network monitoring system according to claim 3, further comprising the following steps after the step (D): (E) the network camera transmits a transmission at another preset time. The status check request is packetized to the router to check an open state or a closed state corresponding to each transmission port of the network camera; (F) the router transmits a transport status packet to the network camera, wherein the transmission is The status packet has the open state or the closed state corresponding to each transmission port of the network camera; (G) the network camera determines, according to the transmission state packet, whether there is at least one transmission port in the closed state, when Such transmission Having the transmission 处于 in the closed state, the network camera transmits a transmission 埠 open request packet to the router to request the router to enable the transmission 处于 in the closed state, wherein the transmission 埠 open request packet has the a transmission nickname of the transmission port in the closed state; and (H) the router turns on the transmission port in the closed state according to the transmission 埠 open request packet. A universal plug-and-play network monitoring system includes: a network camera comprising a first universal plug-and-play unit and a camera-side web server, wherein the universal plug-and-play unit transmits a registration information packet The registration information packet has a transmission request message including a plurality of transmission nicknames to be requested, and a description message including a verification code corresponding to a plurality of transmission ports to be used for request, respectively. The transport server includes a hypertext transfer protocol server, the camera web server is configured to provide a webpage of the camera, and a router is electrically connected to the webcam and includes: a storage unit for pre-storing a webpage a predetermined verification code, a second universal plug-and-play unit for receiving the registration information packet, and a network camera management unit for comparing the predetermined verification code pre-stored in the storage unit with the verification of the network camera Whether the code is the same, a router-side web server for providing a router-side webpage; and a transport management unit; Wherein, when the comparison result between the predetermined verification code in the storage unit and the verification code of the network camera is the same, the router-side web server is further configured to present the connection mode of the network camera to the router end. On the router-side webpage provided by the web server, the transport management unit is configured to detect whether the webcam server of the webcam is in a connected state at a preset time, when the transport management unit detects When the camera-side web server of the webcam is detected in the connection state, the hyper-file transfer protocol transmission is not closed, and when the transport management unit detects that the webcam server of the webcam is not In the connection state, the hyper-file transfer protocol transmission is closed, and the router-side web server stops displaying the identification information and connection manner of the network camera on the router-side webpage. The universal plug-and-play network monitoring system according to claim 5, wherein the network camera management unit is the same when the comparison between the predetermined verification code in the storage unit and the verification code of the network camera is the same. And storing the private internet protocol address, name, media access control address and the transmission nickname of the network camera in a database included in the storage unit, and the router side webpage servo The device is further configured to present the webpage of the router according to the database, wherein the connection mode of the webcam is presented by a connection button that can be connected to the webcam, and the webpage of the router is also used to present the webpage. The identification information of the camera, the identification data of the network camera contains the name of the network camera. The universal plug-and-play network monitoring system according to claim 5, wherein The transmission port further includes an instant stream protocol transmission port, an instant transmission protocol transmission port, and an instant transmission control protocol transmission port, wherein the transmission port management unit is further configured to separately detect the instant stream protocol at the preset time. Whether the transmission port, the instant transmission protocol transmission, and the instant transmission control protocol transmission are performing their respective corresponding packet transmissions, and when the transmission management unit detects at least one transmission packet without packet transmission, The transmission of the packet transmission is closed. The universal plug-and-play network monitoring system according to claim 7, wherein the network camera further comprises a transmission request unit, and the first universal plug-and-play unit of the network camera is further used for another The preset time transmits a transmission status check request packet to the router to check an open state or a closed state corresponding to each transmission port, and the second universal plug and play unit of the router is further configured to transmit a transmission state. Encapsulating to the network camera, wherein the transmission status packet has the open state or the closed state corresponding to each transmission port of the network camera, and the transmission camera request unit of the network camera is configured to encapsulate the packet according to the transmission status Determining whether there is at least one transmission port in the off state, and when the transmission port in the off state exists in the transmission ports, the first universal plug and play unit of the network camera is further configured to transmit a transmission port. Opening a request packet to the router to request the router to enable the transmission port in the closed state, where the transmission 埠 open request packet has the location In the transmission state of the closed state, the transmission management unit of the router is further configured to enable the transmission buffer in the closed state according to the transmission/opening request packet.