CN210274135U - Remote connection system - Google Patents
Remote connection system Download PDFInfo
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- CN210274135U CN210274135U CN201920663439.0U CN201920663439U CN210274135U CN 210274135 U CN210274135 U CN 210274135U CN 201920663439 U CN201920663439 U CN 201920663439U CN 210274135 U CN210274135 U CN 210274135U
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Abstract
The utility model discloses a remote connection system, it is through being provided with internet link passageway module, remote connection device, on-the-spot remote debugging module and customer end remote debugging module, remote connection device is through the IP address and the port number that acquire customer end remote debugging module, and acquire the IP address and the port number of on-the-spot debugging module, and open the data connection passageway of customer end remote debugging module and on-the-spot debugging module in internet link passageway module according to the information that acquires, make customer end remote debugging module and on-the-spot debugging module direct communication, the technical problem that remote connection communication needs the suitability that leads to through the server transfer among the prior art is poor, the time delay is long, it is many to occupy system resource and bandwidth is solved; the remote connection system has the advantages of high transmission speed, low system resource consumption and bandwidth consumption and strong applicability.
Description
Technical Field
The utility model belongs to the technical field of the remote connection debugging technique and specifically relates to a remote connection system is related to.
Background
When the industry breaks down, debugging personnel accessible remote debugging carries out troubleshooting to reach labour saving and time saving's effect. In the prior art, the following methods are mainly used for remote debugging:
1. remote desktop classes such as QQ software, etc.;
2. in the remote operation and maintenance system based on the cloud platform, the cloud platform is used as a transfer agent, all remote debugging data is forwarded through the agent, and the industrial equipment and remote maintenance personnel only communicate with the agent of the cloud platform at present;
3. and establishing VPN connection between the industrial equipment and the remote maintenance personnel based on VPN connection, wherein communication is carried out in VPN.
However, the above-mentioned methods have major disadvantages, wherein the first method is not necessarily suitable for general remote desktop software because the software and program of the industrial field device are basically dedicated; in the second mode, all communication data need to be transferred by the platform, so that when a large amount of equipment needs to be maintained and debugged, the load of the platform is large, and the problem of time delay increase caused by transfer is solved; in the third mode, the VPN connection consumes more system resources and bandwidth, and the transmission speed and stability are reduced.
Therefore, how to solve the technical problems caused by the above connection methods is an urgent need in the art.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model discloses an aim at provide a transmission speed fast, consume system resource and bandwidth few, the suitability is strong remote connection system.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides a remote serial port connection system, which comprises a remote connection device, an internet link channel module, a field remote debugging module and a client remote debugging module; the Internet link channel module comprises a data connection channel which is connected with the on-site remote debugging module through the client remote debugging module, and the client remote debugging module and the on-site remote debugging module are respectively connected with the Internet link channel module; the internet link channel module is connected with the remote connecting device, and the remote connecting device is used for controlling the opening or closing of the data connecting channel.
Further, the remote connection device includes:
the data acquisition module is used for acquiring a first IP address and a first port number of the active connection request side and acquiring a second IP address and a second port number of the passive connection request side;
the data transmission module is used for transmitting the first IP address and the first port number to the passive connection request side and transmitting the second IP address and the second port number to the active connection request side;
and the control processing module is used for controlling the opening or closing of the data connection channel according to the first IP address, the first port number, the second IP address and the second port number.
Furthermore, the field remote debugging module comprises a network interface, a serial port interface and a data converter, wherein one end of the network interface is connected with the internet link channel module, and one end of the serial port interface is connected with an external field device for remote debugging; the other end of the network interface and the other end of the serial port interface are both connected with the data converter for data conversion.
Further, the client remote debugging module can use a software virtual serial interface.
Further, the remote connection device may be a server.
The utility model has the advantages that:
the utility model discloses a be provided with internet link passageway module, remote connection device, on-spot remote debugging module and customer end remote debugging module, remote connection device is through the IP address and the port number that acquire customer end remote debugging module, and acquire the IP address and the port number of on-spot debugging module, and open the data connection passageway of customer end remote debugging module and on-spot debugging module in internet link passageway module according to the information that acquires, make customer end remote debugging module and on-spot debugging module direct communication, the technical problem that remote connection communication needs to lead to through the server transfer among the prior art poor suitability, the time delay, it is many to occupy system resource and bandwidth is solved; the remote connection system has the advantages of high transmission speed, low system resource consumption and bandwidth consumption and strong applicability.
Drawings
Fig. 1 is a block diagram of an embodiment of a remote connection system of the present invention;
fig. 2 is a flowchart of an embodiment of a remote connection method in the present embodiment.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1, the medium-remote connection system of the present invention includes a client remote debugging module, a remote connection device, an internet link channel module, and a field remote debugging module; the remote connection device comprises a data acquisition module, a control processing module and a data transmission module, wherein the data acquisition module and the data transmission module are connected with the control processing module, so that the control processing module controls the data acquisition module and the data transmission module to work; the data acquisition module is connected with the Internet link channel module to acquire data information, and the data transmission module is connected with the Internet link channel module to transmit the data information; the control processing module is connected with the Internet link channel module to control the opening or closing of a data connection channel of a client remote debugging module in the Internet link channel module, which is connected to the field remote debugging module. The field remote debugging module comprises a network interface, a serial port interface and a data converter, and the network interface and the serial port interface are connected with the data converter to perform data conversion. Specifically, the client remote debugging module and the field remote debugging module are respectively connected with the Internet link channel module, a serial port interface of the field remote debugging module is connected with an external field device, and a control processing module in the remote connecting device controls a data connecting channel to be opened so that the client remote debugging module is directly communicated with the field remote debugging module through the data connecting channel, and then the external field device is debugged, so that the technical problems that the applicability is poor, the time delay is long, and the occupied system resources and the bandwidth are large due to the fact that remote connection communication needs to be transferred through a server in the prior art are solved.
The implementation of the remote connection system is described below by way of a specific embodiment:
referring to fig. 1, the client remote debugging module may be a software virtual serial interface, the remote connection device may be a server, and the internet link channel module is an internet network; when the client remote debugging module sends connection request information to the server through an internet network (namely the client remote debugging module is an active connection request side), the client remote debugging module obtains a first IP address and a first port number after NAT conversion, and then transmits the connection request information to the server through the internet network, the server transmits the obtained first IP address and the obtained first port number to a network interface of the field remote debugging module through the internet network, the field remote debugging module sends connection response information to the server after receiving the first IP address and the first port number, the field remote debugging module obtains a second IP address and a second port number after NAT conversion, transmits the second IP address and the second port number to the server through the internet network, and then transmits the connection verification information to the client remote debugging module through the server, and meanwhile, the field remote debugging module sends connection verification information to the client remote debugging module according to the received first IP address and the first port number, the data connection channel establishing method is used for responding to the ongoing connection and the preliminary verification of whether the data connection channel can communicate or not, the feasibility of establishing the data connection channel is guaranteed, if the client remote debugging module can receive the connection verification message, the data connection channel establishing is proved to be successful, if the client remote debugging module cannot receive the connection verification message, the data connection channel establishing is proved to be unsuccessful, and the client remote debugging module is required to resend the connection request information. The server establishes a data connection channel which does not pass through the server and only passes through the internet network according to the received first IP address, the first port number, the second IP address and the second port number, communication data of the client remote debugging module and the field remote debugging module are not transferred through the server after the data connection channel is established, at the moment, the client remote debugging module and the field remote debugging module are respectively connected with the server periodically or keep connected with the server, so that the data connection channel is re-established when remote connection is performed next time, the data transmission speed between the two ends is higher, the consumption of system resources and bandwidth is less, and the applicability is stronger. When the field equipment is debugged, the function of remotely debugging the field equipment by the client remote debugging module can be realized only by connecting the field equipment with a serial port interface of the field remote debugging module through a serial port. It should be noted that, in this implementation, the active connection request may also be a field remote debugging module, and the implementation process of the active connection request initiated by the client remote debugging module is substantially the same as that of the active connection request initiated by the client remote debugging module, which is not described in detail herein.
Referring to fig. 2, the present embodiment further provides a remote connection method, which includes the following steps:
s1, acquiring connection request information, and acquiring a first IP address and a first port number of the active connection request side according to the connection request information;
s2, sending the first IP address and the first port number to a passive connection request side;
s3, acquiring connection response information, and acquiring a second IP address and a second port number of the passive connection request side according to the connection response information;
s4, sending the second IP address and the second port number to the active connection request side;
s5, establishing a data connection channel according to the first IP address, the first port number, the second IP address and the second port number, wherein the data connection channel is used for connecting the active connection request side and the passive connection request side.
Wherein, step S1 specifically includes: the active connection request side obtains a first IP address and a first port number after NAT conversion; step S3 specifically includes: and the passive connection request side obtains a second IP address and a second port number after NAT conversion.
Step S21 is further included after step S2, where the passive connection request side sends a connection verification message to the active connection request side according to the acquired first IP address and the first port number, so as to respond that the connection is ongoing and preliminarily verify whether the data connection channel is communicable, thereby ensuring feasibility of establishing the data connection channel.
The utility model discloses a remote connection method and foretell remote connection system's realization process principle can refer to each other and correspond, do not do too much repetitious description here.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (5)
1. A remote connection system is characterized by comprising a remote connection device, an Internet link channel module, a field remote debugging module and a client remote debugging module; the Internet link channel module comprises a data connection channel for connecting the client remote debugging module to the field remote debugging module, and the client remote debugging module and the field remote debugging module are respectively connected with the Internet link channel module; the internet link channel module is connected with the remote connecting device, and the remote connecting device is used for controlling the opening or closing of the data connecting channel.
2. The remote connection system of claim 1, wherein the remote connection device comprises:
the data acquisition module is used for acquiring a first IP address and a first port number of the active connection request side and acquiring a second IP address and a second port number of the passive connection request side;
the data transmission module is used for transmitting the first IP address and the first port number to the passive connection request side and transmitting the second IP address and the second port number to the active connection request side;
and the control processing module is used for controlling the opening or closing of the data connection channel according to the first IP address, the first port number, the second IP address and the second port number.
3. The remote connection system of claim 1 or 2, wherein the field remote debugging module comprises a network interface, a serial interface and a data converter, one end of the network interface is connected with the internet link channel module, and one end of the serial interface is connected with an external field device for remote debugging; the other end of the network interface and the other end of the serial port interface are both connected with the data converter for data conversion.
4. The remote connection system of claim 3, wherein the client remote debugging module can use a software virtual serial interface.
5. The remote connection system of claim 1, wherein the remote connection device is a server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920663439.0U CN210274135U (en) | 2019-05-09 | 2019-05-09 | Remote connection system |
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| CN201920663439.0U CN210274135U (en) | 2019-05-09 | 2019-05-09 | Remote connection system |
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| CN210274135U true CN210274135U (en) | 2020-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973327A (en) * | 2020-07-22 | 2022-01-25 | 中国移动通信集团广东有限公司 | Method and device for debugging and testing physical link of domain area network and electronic equipment |
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2019
- 2019-05-09 CN CN201920663439.0U patent/CN210274135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113973327A (en) * | 2020-07-22 | 2022-01-25 | 中国移动通信集团广东有限公司 | Method and device for debugging and testing physical link of domain area network and electronic equipment |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: a remote connection system Effective date of registration: 20220729 Granted publication date: 20200407 Pledgee: Shenzhen Branch of China Merchants Bank Co.,Ltd. Pledgor: SHENZHEN HONGDIAN TECHNOLOGIES Corp. Registration number: Y2022440020142 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |