A substation network security communication terminal

Abstract

The application discloses a substation network security communication terminal applied to the field of communication terminals, which judges the time of data transmitted by each signal sensing transmitting end through a data security distributor, transmits the delayed data out of the time range to a preprocessing end first, and then transmits the data to a main receiving terminal after the preprocessing end performs safety detection, and when the main receiving terminal detects that there is partial data delay phenomenon within the specified time, actively disconnects the connection with the preprocessing end through a line feedback device, thereby ensuring the safety of the main receiving terminal in advance, when the staff obviously observes from the outside that the light transmission position on the line feedback device gradually moves to the main receiving terminal, indirectly reflects that there is a fault problem in the communication line in the case that the virus is excluded, and thus the fault is handled in time without serious influence, thereby effectively ensuring the stable operation of the substation power communication.

Description

Technical Field

[0001] This application relates to the field of communication terminals, and in particular to a network security communication terminal for substations. Background Technology

[0002] Substation communication is an essential infrastructure of the power grid. It is built based on the power grid and serves the power grid. With the continuous development of secondary system technology and the ongoing integration of large-scale secondary systems, the importance of the communication profession is also constantly increasing.

[0003] A communication network terminal device is an intermediate device that converts dispersed user signals into signals suitable for transmission, switching, and processing within a communication network. Terminal devices are typically located in convenient locations where they can connect to remote computers using communication facilities. They mainly consist of a communication interface control unit and dedicated or selected input / output devices. A system in which numerous dispersed terminal devices are connected to a computer via communication facilities is called an online system.

[0004] Power communication networks are an important component of the power system, and ensuring their smooth and stable operation is of paramount importance. However, in actual operation, due to the influence of natural factors, equipment factors, and human factors, many faults occur, which seriously affect the safety, stability, and timeliness of power communication network operation. Therefore, timely detection of communication faults and analysis and awareness of their causes are crucial to ensuring the smooth operation of power communication networks. Summary of the Invention

[0005] The purpose of this application is to solve the problem that it is difficult to detect and investigate data transmission faults in existing power communication networks in a timely manner. Compared with the prior art, it provides a substation network security communication terminal, including a main receiving terminal and multiple signal sensing transmitters. The main receiving terminal is connected to a data security distributor, and the multiple signal sensing transmitters are all connected to the data security distributor. The data security distributor is also connected to a preprocessing end. A line feedback device is connected between the preprocessing end and the main receiving terminal. The data security distributor includes a time database I, a timeliness detection module, and a selective transmission module. The main receiving terminal includes a time database II and a data verification module. The preprocessing end includes a virus detection module, a one-way transmission module, and an alarm module. The data security distributor performs timeliness detection on the data transmitted by the signal sensing transmitter and transmits the timely data within the time limit to the main receiving terminal, while transmitting the delayed data outside the time limit to the preprocessing end. The preprocessing end performs virus security detection on the delayed data. The data security distributor performs time-based judgment on the data transmitted by each signal sensing transmitter. Delayed data that is outside the time range is first transmitted to the preprocessing end. After the preprocessing end performs a security check and confirms that there are no errors, it is then transmitted to the main receiving terminal. Furthermore, when the main receiving terminal detects that there is a partial data delay within a specified time, it actively disconnects from the preprocessing end through the line feedback device, thereby ensuring the safety of the main receiving terminal in advance. When the staff can clearly observe from the outside that the light-transmitting position on the line feedback device gradually moves towards the main receiving terminal, after ruling out the possibility of a virus, it indirectly reflects a fault in the communication line. This allows for timely handling of faults before they cause serious impact, thus effectively ensuring the stable operation of the substation's power communication.

[0006] Optionally, the time data included in time database one and time database two are exactly the same, and the time data is the time range for normal data transmission from multiple signal sensing transmitters.

[0007] Optionally, the line feedback device includes a main power line connected to the main receiving terminal. The end of the main power line away from the main receiving terminal is connected to a main contact piece. A main ring plate is fixedly connected to the side end of the main contact piece. A pair of main electric push rods are fixedly connected between the main ring plate and the main receiving terminal. The main electric push rods are connected to the data verification module.

[0008] Optionally, the line feedback device also includes an auxiliary wire connected to the pre-processing end. The end of the auxiliary wire away from the pre-processing end is connected to an auxiliary contact piece. The side end of the auxiliary contact piece is fixedly connected to an auxiliary ring plate. A pair of auxiliary electric push rods are fixedly connected between the auxiliary ring plate and the pre-processing end. The auxiliary electric push rods are connected to the unidirectional conveying module.

[0009] Optionally, the line feedback device also includes an external inspection tube fixedly connected between the main receiving terminal and the preprocessing terminal. The external inspection tube includes an outer rigid cylinder, on which multiple evenly distributed light-transmitting sheets are fixedly connected.

[0010] Optionally, a pair of light bulbs are fixedly connected to one end of the main ring plate near the secondary ring plate, and the main receiving terminal also includes a light display module, with the light bulbs connected to the light display module.

[0011] Optionally, both the main ring plate and the auxiliary ring plate are slidably connected to the inside of the outer rigid cylinder and form a surface contact seal with it.

[0012] Optionally, the minimum spacing between the main ring plate and the secondary ring plate is greater than the distance between an adjacent pair of light-transmitting sheets.

[0013] Optionally, when the main receiving terminal detects through the data verification module that some data has not arrived within a specified time, it actively disconnects the line feedback device, that is, disconnects the circuit connection with the preprocessing end.

[0014] Optionally, after the preprocessing end confirms the security of the delayed data through the virus detection module, it actively connects to the line feedback device to transmit the secure delayed data to the main receiving terminal.

[0015] Compared to existing technologies, the advantages of this application are: (1) This application uses a data security distributor to judge the time of the data transmitted by each signal sensing transmitter. Normal and timely data is directly transmitted to the main receiving terminal, while delayed data that is not within the time range is first transmitted to the preprocessing end. After the preprocessing end performs a security check and finds no errors, it is then transmitted to the main receiving terminal. Furthermore, when the main receiving terminal detects that there is a partial data delay within a specified time, it actively disconnects from the preprocessing end through the line feedback device, thereby ensuring the security of the main receiving terminal in advance. After the preprocessing end performs a security check on the delayed data, it actively connects to the line feedback device to transmit the data.

[0016] (2) When the data transmitted by a certain signal sensing transmitter does not correspond to the time range in the time database, it indicates that this is delayed data. At this time, the data security distributor first transmits the delayed data to the preprocessing end. After the preprocessing end performs a security check and finds no errors, it transmits the data to the main receiving terminal. If the data carries a virus, an alarm will be triggered and the delayed data will no longer be transmitted to the main receiving terminal, thereby ensuring the operation security of the main receiving terminal.

[0017] (3) The disconnection of the line feedback device is controlled unilaterally by the main receiving terminal, and its connection is controlled unilaterally by the preprocessing terminal, thereby further ensuring that delayed data with viruses is not easily transmitted to the main receiving terminal through the line feedback device. (4) There is always a light-transmitting plate between the main ring plate and the auxiliary ring plate, so that the light emitted by the bulb can be transmitted to the outside. In addition, with multiple data delays, the positions of the main ring plate and the auxiliary ring plate will gradually move towards the main receiving terminal. When the staff can clearly observe from the outside that the light-transmitting position on the external inspection tube gradually moves towards the main receiving terminal, it can be concluded that there are multiple data delays at the signal sensing transmitter. If the virus is ruled out, there may be a communication line fault, which affects the smooth transmission of data. At this time, the staff can inspect the signal sensing transmitter and its related lines that frequently experience data delays. If the fault does not have a serious impact, it should be dealt with in a timely manner to effectively ensure the stable operation of the substation's power communication. Attached Figure Description

[0018] Figure 1 This is a system diagram of this application; Figure 2 This is a schematic diagram of data transmission in this application; Figure 3 This is a schematic diagram showing the disconnection of the line feedback device in this application; Figure 4This is a schematic diagram illustrating the transmission of delayed data in this application; Figure 5 This is a connection diagram of the main receiving terminal, preprocessing terminal, and data security distributor of this application; Figure 6 This is a cross-sectional view of the line feedback device of this application when it is normally connected; Figure 7 This is a cross-sectional view of the line feedback device of this application when it is disconnected; Figure 8 This is a cross-sectional view of the line feedback device of this application when it is reconnected; Figure 9 This is a cross-sectional view of the line feedback device of this application after multiple disconnections.

[0019] The numbers in the diagram are as follows: 1. Main wire, 2. Main contact piece, 3. Main electric push rod, 4. Main ring plate, 5. Secondary wire, 6. Secondary contact piece, 7. Secondary electric push rod, 8. Secondary ring plate, 91. Outer hard cylinder, 92. Light-transmitting sheet, 10. Light bulb. Detailed Implementation

[0020] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0021] Example 1:

[0022] Please see Figure 1 This application discloses a network security communication terminal for substations, including a main receiving terminal and multiple signal sensing transmitters. The main receiving terminal is connected to a data security distributor, and the multiple signal sensing transmitters are all connected to the data security distributor. The data security distributor is also connected to a preprocessing terminal, and a line feedback device is connected between the preprocessing terminal and the main receiving terminal. The data security distributor includes a time database I, a timeliness detection module, and a selective transmission module. The main receiving terminal includes a time database II and a data verification module. The preprocessing terminal includes a virus detection module, a one-way transmission module, and an alarm module.

[0023] Please see Figure 2 The data security distributor performs timeliness detection on the data transmitted by the signal sensing transmitter, and transmits the data within the time limit to the main receiving terminal, while transmitting the delayed data outside the time limit to the preprocessing end. The preprocessing end performs virus security detection on the delayed data.

[0024] Time database one and time database two contain identical time data, and this time data covers the normal transmission time range of data from multiple signal sensing transmitters. When the data transmitted by a signal sensing transmitter does not correspond to the time range in time database one, it indicates that this is delayed data. In this case, the data security distributor first transmits the delayed data to the preprocessing end. After the preprocessing end performs a security check and finds no errors, it then transmits the data to the main receiving terminal. If the data carries a virus, an alarm is triggered, and the delayed data is no longer transmitted to the main receiving terminal, thereby ensuring the operational security of the main receiving terminal.

[0025] Please see Figure 3 When the main receiving terminal detects, through the data verification module, that some data has not arrived within a specified time, it actively disconnects the line feedback device, that is, disconnects the circuit connection with the preprocessing end. Please refer to [link to relevant documentation]. Figure 4 After the preprocessing end confirms the safety of the delayed data through the virus detection module, it actively connects to the line feedback device to transmit the safe delayed data to the main receiving terminal. That is, the disconnection of the line feedback device is controlled unilaterally by the main receiving terminal, and its connection is controlled unilaterally by the preprocessing end, thereby further ensuring that delayed data containing viruses is not easily transmitted to the main receiving terminal through the line feedback device.

[0026] Please see Figure 5 and Figure 6 The line feedback device includes a main wire 1 connected to the main receiving terminal. A main contact piece 2 is connected to the end of the main wire 1 furthest from the main receiving terminal. A main ring plate 4 is fixedly connected to the side end of the main contact piece 2. A pair of main electric push rods 3 are fixedly connected between the main ring plate 4 and the main receiving terminal. The main electric push rods 3 are connected to a data verification module, which controls the extension and retraction of the main electric push rods 3. The line feedback device also includes a secondary wire 5 connected to the preprocessing end. A secondary contact piece 6 is connected to the end of the secondary wire 5 furthest from the preprocessing end. A secondary ring plate 8 is fixedly connected to the side end of the secondary contact piece 6. A pair of secondary electric push rods 7 are fixedly connected between the secondary ring plate 8 and the preprocessing end. The secondary electric push rods 7 are connected to a unidirectional conveying module, which controls the extension and retraction of the secondary electric push rods 7.

[0027] Under normal circumstances, such as Figure 6 As shown, the main contact 2 and the auxiliary contact 6 are in contact and fit together. At this time, the line feedback device is in the connected state, that is, the main receiving terminal and the preprocessing terminal are in the line connected state and can transmit data normally. Please see Figure 7 When the main receiving terminal detects that some data has not arrived (i.e., is delayed) within a specified time, the data verification module controls the main electric push rod 3 to start, shorten its length, and drive the main contact piece 2 and the auxiliary contact piece 6 away, so that the line feedback device is in the disconnected state in advance, thereby ensuring the safety of the main receiving terminal in advance. When the delayed data arrives at the data security distributor, it detects and confirms the delay, and then transmits it to the preprocessing end. At this time, since the line feedback device has been disconnected, the delayed data cannot be transmitted to the main receiving terminal and needs to be detected by the virus detection module. When the delayed data is safe data, please refer to [link / reference needed]. Figure 8 The preprocessing end activates the auxiliary electric push rod 7 through the unidirectional conveying module, extending its length and causing the auxiliary contact piece 6 to re-attach to the main contact piece 2, connecting the circuit, and then transmitting the detected delayed data to the main receiving terminal.

[0028] Please see Figure 7 The line feedback device also includes an external inspection tube fixedly connected between the main receiving terminal and the preprocessing terminal. The external inspection tube includes an outer rigid tube 91, on which multiple evenly distributed light-transmitting sheets 92 are fixedly connected. A pair of bulbs 10 are fixedly connected to one end of the main ring plate 4 near the secondary ring plate 8. The main receiving terminal also includes a light display module, and the bulbs 10 are connected to the light display module.

[0029] Both the main ring plate 4 and the auxiliary ring plate 8 are slidably connected to the inside of the outer rigid cylinder 91, forming a surface-contact seal. The minimum distance between the main ring plate 4 and the auxiliary ring plate 8 is greater than the distance between an adjacent pair of light-transmitting plates 92. That is, there is always a light-transmitting plate 92 between the main ring plate 4 and the auxiliary ring plate 8, allowing the light emitted by the bulb 10 to be transmitted to the outside. Furthermore, with multiple data delays, the positions of the main ring plate 4 and the auxiliary ring plate 8 will gradually move towards the main receiving terminal. When the staff can clearly observe from the outside that the light-transmitting position on the outer inspection cylinder gradually moves towards the main receiving terminal, it can be concluded that there are multiple data delays at the signal sensing transmitter. If the cause is ruled out as a virus, there may be a communication line fault, which affects the smooth transmission of data. At this time, the staff can inspect the signal sensing transmitter and its related lines that frequently experience data delays. If the fault does not cause serious impact, it should be dealt with in a timely manner to effectively ensure the stable operation of the substation's power communication.

[0030] This application uses a data security distributor to judge the timing of data transmitted by each signal sensing transmitter. Normal, timely data is directly transmitted to the main receiving terminal, while delayed data outside the time frame is first transmitted to a preprocessing end. After security checks are performed and the data is deemed correct, the preprocessing end transmits the data to the main receiving terminal. Furthermore, when the main receiving terminal detects partial data delay within a specified time, it proactively disconnects from the preprocessing end via a line feedback device, thus ensuring the security of the main receiving terminal in advance. After security checks on the delayed data, the preprocessing end proactively reconnects to the line feedback device to transmit data. When personnel can visually observe that the light-transmitting position on the external inspection tube gradually moves towards the main receiving terminal, excluding virus-related issues, it indirectly reflects a communication line fault. This allows for timely handling of faults before they cause serious impact, effectively ensuring the stable operation of substation power communication. The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this application, based on the technical solution and its improved concepts, should be included within the scope of protection of this application.

Claims

1. A network security communication terminal for substations, comprising a main receiving terminal and multiple signal sensing transmitters, characterized in that, The main receiving terminal is connected to a data security distributor, and multiple signal sensing transmitters are connected to the data security distributor. The data security distributor is also connected to a preprocessing terminal. A line feedback device is connected between the preprocessing terminal and the main receiving terminal. The data security distributor includes a time database I, a timeliness detection module, and a selective transmission module. The main receiving terminal includes a time database II and a data verification module. The preprocessing terminal includes a virus detection module, a one-way transmission module, and an alarm module. The data security distributor performs timeliness detection on the data transmitted by the signal sensing transmitter, and transmits the timely data within the time limit to the main receiving terminal, and transmits the delayed data outside the time limit to the preprocessing end. The preprocessing end performs virus security detection on the delayed data. The line feedback device includes a main wire (1) connected to the main receiving terminal. The end of the main wire (1) away from the main receiving terminal is connected to a main contact piece (2). The side end of the main contact piece (2) is fixedly connected to a main ring plate (4). A pair of main electric push rods (3) are fixedly connected between the main ring plate (4) and the main receiving terminal. The main electric push rods (3) are connected to the data verification module. The line feedback device also includes an auxiliary wire (5) connected to the pre-processing end. An auxiliary contact piece (6) is connected to one end of the auxiliary wire (5) away from the pre-processing end. An auxiliary ring plate (8) is fixedly connected to the side end of the auxiliary contact piece (6). A pair of auxiliary electric push rods (7) are fixedly connected between the auxiliary ring plate (8) and the pre-processing end. The auxiliary electric push rods (7) are connected to the unidirectional conveying module. The line feedback device also includes an external inspection tube fixedly connected between the main receiving terminal and the preprocessing terminal. The external inspection tube includes an outer rigid tube (91), and a plurality of uniformly distributed light-transmitting sheets (92) are fixedly connected on the outer rigid tube (91). A pair of bulbs (10) are fixedly connected to one end of the main ring plate (4) near the secondary ring plate (8). The main receiving terminal also includes a light display module, and the bulbs (10) are connected to the light display module.

2. The substation network security communication terminal according to claim 1, characterized in that, The time data included in Time Database 1 and Time Database 2 are completely identical, and the time data covers the normal transmission time range of data from multiple signal sensing transmitters.

3. A substation network security communication terminal according to claim 1, characterized in that, Both the main ring plate (4) and the secondary ring plate (8) are slidably connected to the inside of the outer hard cylinder (91) and form a surface contact sealing state with it.

4. A substation network security communication terminal according to claim 1, characterized in that, The minimum distance between the main ring plate (4) and the secondary ring plate (8) is greater than the distance between an adjacent pair of light-transmitting sheets (92).

5. A substation network security communication terminal according to claim 1, characterized in that, When the main receiving terminal detects through the data verification module that some data has not arrived within a specified time, it actively disconnects the line feedback device, that is, disconnects the circuit connection with the preprocessing end.

6. A substation network security communication terminal according to claim 1, characterized in that, After the preprocessing end confirms the security of the delayed data through the virus detection module, it actively connects to the line feedback device to transmit the secure delayed data to the main receiving terminal.

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