A vibration data transmission network and transmission method

Abstract

The present invention discloses a vibration data transmission network, including a vibration transmitter, an industrial control device, a DCS acquisition device, and a first device. The vibration transmitter is connected to the industrial control device and the first device respectively, and is used to transmit the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and send the vibration characteristic parameters to the industrial control device and the first device respectively. The first device is connected to the industrial control device and is used to send the received vibration characteristic parameters to the industrial control device. The industrial control device is connected to the DCS acquisition device and is used to receive the vibration characteristic parameters sent by the vibration transmitter and the first device, and send the vibration characteristic parameters to the DCS acquisition device. The DCS acquisition device is used to transmit the vibration characteristic parameters to the DCS. Accordingly, a vibration data transmission method is also provided. The transmission network and the transmission method can cope with various transmission failures and ensure the reliability of vibration data transmission in nuclear power plants.

Description

Technical Field

[0001] The invention belongs to the field of nuclear power, and in particular relates to a vibration data transmission network and a vibration data transmission method. Background Art

[0002] The vibration data of nuclear power plant equipment is important data for judging whether the process equipment is operating normally. At present, the original dynamic vibration data collected by the vibration instrument is transmitted to the vibration characteristic parameters through the vibration transmission equipment, which is converted into 4-20mA electrical signals and transmitted to the industrial control equipment. The industrial control equipment then sends the vibration characteristic parameters to the DCS (Distributed Control System). The DCS characterizes whether the process equipment has a fault by comparing the threshold of the vibration characteristic parameters.

[0003] When the vibration transmitter cable interface is damaged, disconnected, or the software fails, a large number of vibration characteristic parameters will be lost, causing the DCS vibration monitoring to fail completely, posing a major threat to the safe operation of the nuclear power plant. Therefore, a highly reliable vibration data transmission network is urgently needed to cope with various transmission failures and improve the reliability of vibration monitoring in nuclear power plants. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a vibration data transmission network and a transmission method in view of the above-mentioned deficiencies in the prior art, which can cope with various transmission failures in the vibration data transmission process and improve the vibration monitoring reliability of nuclear power plants.

[0005] An embodiment of the present invention provides a vibration data transmission network, including a vibration transmitter, an industrial control device, a DCS acquisition device, and a first device. The vibration transmitter is connected to the industrial control device and the first device respectively, and is used to transmit the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and send the vibration characteristic parameters to the industrial control device and the first device respectively. The first device is connected to the industrial control device and is used to send the received vibration characteristic parameters to the industrial control device. The industrial control device is connected to the DCS acquisition device and is used to receive the vibration characteristic parameters sent by the vibration transmitter and the first device, and send the vibration characteristic parameters to the DCS acquisition device. The DCS acquisition device is used to transmit the vibration characteristic parameters to the DCS.

[0006] Preferably, the first device is a monitoring device. The vibration transmitter device is also used to send the original dynamic vibration data collected by the vibration meter to the monitoring device. The monitoring device is used to perform fault analysis and fault diagnosis of the corresponding process equipment based on the original dynamic vibration data.

[0007] Preferably, the vibration characteristic parameters sent by the vibration transmitter to the industrial control device are called vibration characteristic parameters of the first path, and the vibration characteristic parameters sent by the monitoring device to the industrial control device are called vibration characteristic parameters of the second path. The industrial control device includes a first industrial control device and a second industrial control device. The first industrial control device and the second industrial control device are redundant and interconnected, and both are connected to the vibration transmitter and the monitoring device, and are used to respectively receive the vibration characteristic parameters of the first path sent by the vibration transmitter, and to respectively receive the vibration characteristic parameters of the second path sent by the monitoring device. The first industrial control device and the second industrial control device are also used to send the vibration characteristic parameters of the first path to the DCS acquisition device, respectively.

[0008] Preferably, the first industrial control device includes a first data fault-tolerant module, and the second industrial control device includes a second data fault-tolerant module. The first data fault-tolerant module and the second data fault-tolerant module are used to select the vibration characteristic parameters of the second path to replace the lost vibration characteristic parameters of the first path when data loss occurs in the vibration characteristic parameters of the first path received from the industrial control device, so as to obtain the vibration characteristic parameters after fault tolerance. The first industrial control device and the second industrial control device are used to send the vibration characteristic parameters after fault tolerance to the DCS acquisition device.

[0009] Preferably, the transmission network of vibration data also includes a TCP isolation card. The TCP isolation card, one end of the TCP (Transmission Control Protocol) isolation card is connected to the first industrial control device and the second industrial control device respectively, and the other end is connected to the monitoring device, and is used to obtain the vibration characteristic parameters of the second path from the monitoring device, and transmit them to the first industrial control device and the second industrial control device to isolate the monitoring device from the first industrial control device and the second industrial control device, and is also used to transmit the first industrial control device, the second industrial control device, and its own operation / fault status to the monitoring device for monitoring.

[0010] Preferably, the DCS acquisition device includes a first DCS acquisition device and a second DCS acquisition device. The first DCS acquisition device is connected to the first industrial control device and the DCS, respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the first industrial control device to the DCS. The second DCS acquisition device is connected to the second industrial control device and the DCS, respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the second industrial control device to the DCS.

[0011] Preferably, the transmission network of vibration data further includes a first switch, a second switch, a third network management switch, a fourth network management switch, and a bus IO. The first switch is connected to the first industrial control device and the first DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path sent by the first industrial control device or the vibration characteristic parameters after fault tolerance to the first DCS acquisition device. The second switch is connected to the second industrial control device and the second DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path sent by the second industrial control device or the vibration characteristic parameters after fault tolerance to the second DCS acquisition device. The third network management switch is connected to the vibration transmitter device and the monitoring device respectively, and is used to transmit the vibration characteristic parameters and the original dynamic vibration data sent by the vibration transmitter device to the monitoring device. The fourth network management switch is connected to the third network management switch, the monitoring device, and the TCP isolation card respectively, and is used to transmit the vibration characteristic parameters and the original dynamic vibration data transmitted by the third network management switch to the monitoring device, and is used to transmit the operation / fault status of the first industrial control device, the second industrial control device, and the TCP isolation card sent by the TCP isolation card to the monitoring device, and provides the TCP isolation card with the vibration characteristic parameters received by the monitoring device. The bus IO has one end connected to the vibration transmitter device and the other end connected to the first industrial control device and the second industrial control device, and is used to transmit the vibration characteristic parameters of the first path sent by the vibration transmitter device to the first industrial control device and the second industrial control device respectively.

[0012] Preferably, the monitoring equipment adopts a PC industrial controller, and the industrial control equipment adopts a PLC. The vibration transmitter devices are connected by shielded twisted pair cables, which are aggregated into one twisted pair cable and connected to the bus IO.

[0013] Furthermore, an embodiment of the present invention also provides a method for transmitting vibration data, including: a vibration transmitter device transmits the original dynamic vibration data collected by a vibration meter into vibration characteristic parameters, and sends the vibration characteristic parameters to an industrial control device and a first device respectively; the first device then forwards the received vibration characteristic parameters to the industrial control device; the industrial control device sends the received vibration characteristic parameters to a DCS acquisition device; and the DCS acquisition device transmits the received vibration characteristic parameters to the DCS.

[0014] Preferably, the industrial control device sends the received vibration characteristic parameters to the DCS acquisition device, specifically including: when the vibration characteristic parameters sent by the received vibration transmitter are consistent with the vibration characteristic parameters forwarded by the first device, the industrial control device sends the vibration characteristic parameters sent by the vibration transmitter to the DCS acquisition device; when data loss occurs in the vibration characteristic parameters sent by the received vibration transmitter, the industrial control device replaces the lost data with the vibration characteristic parameters forwarded by the first device to obtain the fault-tolerant vibration characteristic parameters, and the industrial control device sends the fault-tolerant vibration characteristic parameters to the DCS acquisition device.

[0015] The vibration data transmission network of the present invention uses different interfaces to send vibration data (i.e., vibration characteristic parameters) to the industrial control device and the first device at the same time through the vibration transmitter device, and then the first device forwards the vibration data to the industrial control device, so that the vibration data has two different transmission paths, thereby avoiding a large amount of vibration data loss due to a single transmission path when problems such as cable interface damage, disconnection, software failure, etc. occur, causing the DCS vibration monitoring to fail completely, thereby improving the vibration monitoring reliability of the nuclear power plant. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 : is a schematic diagram of the structure of the transmission network of vibration data of Example 1 of the present invention;

[0017] Figure 2 : A schematic diagram of path redundancy transmission of a vibration data transmission network according to Embodiment 1 of the present invention;

[0018] Figure 3 : A schematic diagram of the isolation of the monitoring network and the industrial control network of the vibration data transmission network of Example 1 of the present invention;

[0019] Figure 4a : A schematic diagram of DCS data transmission of a vibration data transmission network according to Embodiment 1 of the present invention (hot standby mode);

[0020] Figure 4b : A schematic diagram of DCS data transmission of the vibration data transmission network of Example 1 of the present invention (cold standby mode). DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0022] Embodiment 1:

[0023] like Figure 1 As shown, this embodiment provides a vibration data transmission network, including a vibration transmission device, an industrial control device, a DCS acquisition device, and a first device.

[0024] The vibration transmitter is connected to the industrial control device and the first device respectively, and is used to transmit the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and send the vibration characteristic parameters to the industrial control device and the first device respectively. The first device is connected to the industrial control device and is used to send the received vibration characteristic parameters to the industrial control device. The industrial control device is connected to the DCS acquisition device and is used to receive the vibration characteristic parameters sent by the vibration transmitter and the first device, and send the vibration characteristic parameters to the DCS acquisition device. The DCS acquisition device is used to transmit the vibration characteristic parameters to the DCS.

[0025] In this embodiment, the vibration characteristic parameter is the root mean square calculated value of the original dynamic vibration data collected by the vibration meter. The vibration transmitter device can adopt a vibration transmitter device that supports the Modbus RTU protocol and the TCP protocol (Modbus TCP protocol or TCP / IP protocol). For example, the vibration transmitter device is used to send the vibration characteristic parameter to the industrial control device using the Modbus 485 interface and the Modbus RTU protocol, and the vibration transmitter device and the industrial control device are connected by a double-core shielded twisted pair. At the same time, the vibration transmitter device is also used to send the vibration characteristic parameter to the first device using the RJ45 interface and the TCP protocol, and the vibration transmitter device and the first device are connected by an optical cable. The industrial control device is used to integrate the vibration characteristic parameter sent by the vibration transmitter device, the vibration characteristic parameter sent by the first device, or the vibration characteristic parameter of two different paths, and send it to the DCS acquisition device. The DCS acquisition device is used to transmit the vibration characteristic parameter sent by the industrial control device to the DCS, so that the DCS processes and analyzes the vibration characteristic parameter. The first device can be an electronic device with a data forwarding function, such as a PC or other electronic devices.

[0026] Since the data content of the vibration characteristic parameters sent by the vibration transmitter to the industrial control device and the first device is the same, by adopting two different transmission protocols, Modbus RTU and TCP, two different physical interfaces, Modbus 485 and RJ45, and two different transmission media, shielded twisted pair and optical fiber, on the one hand, it can avoid failures caused by failure of a single transmission protocol, and on the other hand, it can avoid signal loss caused by cable interface failure and cable failure. The diversified transmission design of vibration characteristic parameters ensures the reliability of data transmission. When a cable failure, cable interface failure, or software failure occurs in the transmission path from the vibration transmitter to the industrial control device, the industrial control device can obtain the vibration characteristic parameters from the first device, thereby avoiding failure of vibration data transmission due to failure of a single transmission path, which poses a threat to the safe operation of the nuclear power plant.

[0027] Optionally, the first device is a monitoring device. The vibration transmitter device is further used to send the original dynamic vibration data collected by the vibration meter to the monitoring device. The monitoring device is used to perform fault analysis and fault diagnosis of the corresponding process equipment according to the original dynamic vibration data.

[0028] In the present embodiment, the original dynamic vibration data that the vibration transmitter is used to send to the monitoring device is the vibration waveform stream data, which is used as auxiliary analysis data for performing process equipment operation and maintenance and fault diagnosis analysis in the monitoring device, so the original dynamic vibration data does not need to be transmitted to the DCS for judging whether the process equipment is running normally or not. For example, the sampling times per second of the single-channel vibration transmitter is calculated at 20ksps, each sampling point is 4B (byte), and the bandwidth occupied per second by the single channel is 80kB. If the number of channels of the vibration transmitter is 200, the total bandwidth per second is 16MB. For such a large amount of data transmission, the original dynamic vibration data is sent to the monitoring device for analysis by the vibration transmitter through the TCP / IP protocol, and vibration fault analysis and vibration fault diagnosis are further realized. Therefore, the monitoring device in the present embodiment is not only used for fault analysis and fault diagnosis of the process equipment corresponding to the original dynamic vibration data, but also used for forwarding vibration characteristic parameters to industrial control equipment.

[0029] Optionally, the vibration characteristic parameters sent by the vibration transmitter to the industrial control device are called the vibration characteristic parameters of the first path, and the vibration characteristic parameters sent by the monitoring device to the industrial control device are called the vibration characteristic parameters of the second path. When there is no failure in the transmission network, the data content of the vibration characteristic parameters of the first path is the same as that of the vibration characteristic parameters of the second path. The industrial control device includes a first industrial control device and a second industrial control device. The first industrial control device and the second industrial control device are redundant and interconnected, and both are connected to the vibration transmitter and the monitoring device, and are used to respectively receive the vibration characteristic parameters of the first path sent by the vibration transmitter, and to respectively receive the vibration characteristic parameters of the second path sent by the monitoring device. The first industrial control device and the second industrial control device are also used to send the vibration characteristic parameters of the first path to the DCS acquisition device, respectively.

[0030] In this embodiment, the first industrial control device and the second industrial control device are mutually redundant in a hot standby manner, that is, the first industrial control device and the second industrial control device are both in operation, and both receive the vibration characteristic parameters of the first path and the vibration characteristic parameters of the second path. After the first industrial control device (host) fails, it can quickly switch to the second industrial control device (standby) without affecting the transmission of the vibration characteristic parameters. The first industrial control device and the second industrial control device can use PLC. The industrial control equipment adopts a device redundancy design to avoid the failure of vibration data transmission due to damage to the industrial control equipment, and further improve the reliability of vibration data.

[0031] Alternatively, if Figure 2As shown, the first industrial control device includes a first data fault-tolerant module, and the second industrial control device includes a second data fault-tolerant module. The first data fault-tolerant module and the second data fault-tolerant module are used to select the vibration characteristic parameters of the second path to replace the lost vibration characteristic parameters of the first path when data loss occurs in the vibration characteristic parameters of the first path received from the industrial control device, so as to obtain the vibration characteristic parameters after fault tolerance. The first industrial control device and the second industrial control device are used to send the vibration characteristic parameters after fault tolerance to the DCS acquisition device.

[0032] In the present embodiment, the first industrial control equipment and the second industrial control equipment can both perform fault-tolerant compilation on the vibration characteristic parameters of the first path and the vibration characteristic parameters of the second path, thereby improving the reliability of vibration data. For example, the vibration characteristic parameters of the first path transmitted with Modbus RTU protocol are main data, and the vibration characteristic parameters of the second path transmitted with TCP protocol are used as standby fault-tolerant data. The first industrial control equipment and the second industrial control equipment can both be used to judge whether the ModbusRTU of the vibration transducer is normal. When the ModbusRTU communication of a single or multiple vibration transducers is detected to be abnormal (such as caused by the interface damage or cable failure of the vibration transducer) or the vibration characteristic parameters of the first path received are lost, the vibration characteristic parameters of the second path transmitted with TCP protocol will be automatically selected to replace the vibration characteristic parameters of the first path lost. Through fault-tolerant compilation processing, it is avoided that the vibration characteristic parameters of a certain path with data loss are transmitted to DCS, and the reliability of vibration data (i.e. vibration characteristic parameters) transmission is further improved. In addition, fault-tolerant compilation processing can avoid transmitting redundant vibration data to DCS, saving transmission resources and storage resources.

[0033] Alternatively, if Figure 3 As shown, the transmission network of vibration data also includes a TCP isolation card. The TCP isolation card has one end connected to the first industrial control device and the second industrial control device respectively, and the other end connected to the monitoring device, and is used to obtain the vibration characteristic parameters of the second path from the monitoring device, and transmit them to the first industrial control device and the second industrial control device to isolate the monitoring device from the first industrial control device and the second industrial control device, and is also used to transmit the first industrial control device, the second industrial control device, and its own operation / fault status to the monitoring device for monitoring.

[0034] In this embodiment, the first industrial control device, the second industrial control device, the DCS acquisition device, etc. constitute the industrial control network, and the industrial control network focuses on the reliability and security of the system. The monitoring device, etc. constitute the monitoring network, and the monitoring network focuses on the application of intelligent technology, with high network bandwidth, many types of data, and large data volume. Usually, the reliability of the monitoring network is lower than that of the industrial control network, such as the monitoring device is prone to network security problems such as freezing or virus attacks. If the monitoring network and the industrial control network are in the same local area network, the security network level of the industrial control network will be affected to a certain extent. Therefore, the network isolation technology is adopted to isolate and interact data between the monitoring network and the industrial control network through the TCP isolation card to avoid network integrity problems and improve the reliability of the vibration data transmission network. Among them, the isolation effect is manifested in that the first industrial control device and the second industrial control device, as the control master station, can actively obtain the vibration characteristic parameters of the second path from the monitoring device through the TCP isolation card, while the monitoring network cannot actively send the vibration characteristic parameters of the second path to the first industrial control device and the second industrial control device. In addition, the first industrial control device, the second industrial control device, and the TCP isolation card, as intelligent devices, are also used to send their own operation / fault status to the monitoring device for monitoring.

[0035] Alternatively, if Figure 4a and Figure 4b As shown, the DCS acquisition device includes a first DCS acquisition device and a second DCS acquisition device. The first DCS acquisition device is connected to the first industrial control device and the DCS respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the first industrial control device to the DCS. The second DCS acquisition device is connected to the second industrial control device and the DCS respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the second industrial control device to the DCS.

[0036] In this embodiment, in order to improve the reliability of the transmission of vibration characteristic parameters from the industrial control device to the DCS, the first industrial control device and the second industrial control device respectively have independent power supplies and processors, which are redundant with each other, and the DCS acquisition device also adopts a device redundancy design. When there is no data loss, the first industrial control device sends the vibration characteristic parameters of the first path to the first DCS acquisition device; when data loss occurs, the first industrial control device sends the vibration characteristic parameters after fault tolerance to the first DCS acquisition device. Similarly, when there is no data loss, the second industrial control device sends the vibration characteristic parameters of the first path to the second DCS acquisition device; when data loss occurs, the second industrial control device sends the vibration characteristic parameters after fault tolerance to the second DCS acquisition device.

[0037] The first DCS acquisition device and the second DCS acquisition device are mutually redundant, and can adopt hot standby and cold standby redundancy modes. For example, in the hot standby mode, the first DCS acquisition device and the second DCS acquisition device both send the received vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance to the DCS. When the first industrial control device, or the second industrial control device, or the first DCS acquisition device, or the second DCS acquisition device fails, the data of the vibration characteristic parameters of one path is lost, and the DCS can select the data of the vibration characteristic parameters of another path to ensure that when one of the industrial control devices or DCS acquisition devices fails, the vibration characteristic parameters can still be transmitted normally to the DCS, further ensuring the reliability of vibration data transmission. In cold standby operation, the first DCS acquisition device operates as a priority acquisition device, and the second DCS acquisition device is in a standby state and does not collect vibration characteristic parameters. The DCS is only used to receive the vibration characteristic parameters sent by the first DCS acquisition device. When the first DCS acquisition device fails, the DCS will be used to automatically determine the interruption and start the standby second DCS acquisition device, and the vibration characteristic parameters can still be transmitted normally, further ensuring the reliability of vibration data transmission.

[0038] Optionally, the monitoring device includes a first monitoring module and a second monitoring module. The first monitoring module is used to perform fault analysis and fault diagnosis of the process equipment according to the original dynamic vibration data. The second monitoring module is used to monitor the operating status of the first industrial control device, the second industrial control device, the TCP isolation card, and the vibration transmitter device and perform fault warning.

[0039] In this embodiment, the monitoring device (such as a PC industrial controller) is highly functional. On the one hand, it can be used for the collection and analysis of the original dynamic buffer vibration data, and on the other hand, it can obtain the operation / fault status information of the intelligent devices in the network for monitoring. For example, the monitoring device receives and monitors the operation / fault status of the first industrial control device, the second industrial control device, the TCP isolation card and other devices through the TCP protocol (Modbus TCP or TCP / IP protocol), and the operation / fault status of the vibration transmitter device, and promptly discovers the abnormal operation of the equipment and issues an early warning, reminding the operator to perform equipment maintenance work in a timely manner, avoiding the failure of the transmission equipment to be repaired in time, resulting in a large area of ​​vibration characteristic parameters being lost, threatening the safe operation of the nuclear power plant, so the monitoring device of this embodiment can further improve the reliability of the transmission of vibration characteristic parameters.

[0040] Optionally, the vibration data transmission network further includes a first switch, a second switch, a third network management switch, a fourth network management switch, and a bus IO.

[0041] The first switch is connected to the first industrial control device and the first DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the first industrial control device to the first DCS acquisition device. The second switch is connected to the second industrial control device and the second DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the second industrial control device to the second DCS acquisition device. The third network management switch is connected to the vibration transmitter device and the monitoring device respectively, and is used to transmit the vibration characteristic parameters and the original dynamic vibration data sent by the vibration transmitter device to the monitoring device. The fourth network management switch is connected to the third network management switch, the monitoring device, and the TCP isolation card respectively, and is used to transmit the vibration characteristic parameters and the original dynamic vibration data transmitted by the third network management switch to the monitoring device, and is used to transmit the operation / fault status of the first industrial control device, the second industrial control device, and the TCP isolation card sent by the TCP isolation card to the monitoring device, and provides the vibration characteristic parameters received by the monitoring device to the TCP isolation card. The bus IO has one end connected to the vibration transmitter device and the other end connected to the first industrial control device and the second industrial control device, and is used to transmit the vibration characteristic parameters of the first path sent by the vibration transmitter device to the first industrial control device and the second industrial control device respectively.

[0042] In this embodiment, due to the use of multi-path transmission of vibration characteristic parameters, when a switch failure occurs in a certain path, the vibration characteristic parameters transmitted by another path with normal communication can be obtained, thereby ensuring the reliability of vibration characteristic parameter transmission. In addition, when the third network management switch transmits the vibration characteristic parameters / original dynamic vibration data to the monitoring device via an optical cable, due to the limitations of the network port interface of the monitoring device, the optical cable can be connected to the fourth network management switch, and the vibration characteristic parameters / original dynamic vibration data are transmitted to the monitoring device respectively. At the same time, the monitoring device is also used to monitor the operating status of the third network management switch, the fourth network management switch, and the bus IO and to provide fault warnings.

[0043] Optionally, the vibration transmitter devices are connected via shielded twisted pair cables, which are aggregated into one twisted pair cable and then connected to the bus IO.

[0044] In this embodiment, in order to avoid the damage of a single vibration transmitter device affecting the transmission of data of other vibration transmitter devices and affecting the reliability of vibration data, N vibration transmitter devices are connected in parallel via shielded twisted pair cables. For example, the first vibration transmitter is connected to the second vibration transmitter via the first twisted pair cable, the second vibration transmitter is connected to the third vibration transmitter via the second twisted pair cable, and so on, the N-1th vibration transmitter is connected to the Nth vibration transmitter via the N-1th twisted pair cable, wherein the first twisted pair cable, the second twisted pair cable, and so on, the N-1th twisted pair cable are connected end to end in sequence, and after being aggregated into one twisted pair cable, are connected to the bus IO.

[0045] The vibration data transmission network of this embodiment adopts a combination of multiple technologies such as multi-protocol transmission, multi-path transmission, network isolation, device redundancy, software diagnosis and data fault tolerance, which can ensure the reliability of vibration data (i.e., vibration characteristic parameters) transmission in the event of hardware failures such as device damage, power failure, disconnection, device interface damage, processor damage, acquisition device damage, and software failures such as protocol errors, network errors, and program errors. The transmission network of this embodiment can be used not only for the high-reliability transmission of conventional analog signals (current, voltage, resistance signals, etc.), but also for the high-reliability transmission of bus-type signals and network-type signals.

[0046] Embodiment 2:

[0047] This embodiment provides a vibration data transmission method, including:

[0048] Step 201: The vibration transmission device transmits the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and sends the vibration characteristic parameters to the industrial control device and the first device respectively.

[0049] Step 202: The first device forwards the received vibration characteristic parameters to the industrial control device.

[0050] Step 203: The industrial control device sends the received vibration characteristic parameters to the DCS acquisition device.

[0051] Step 204: The DCS acquisition device transmits the received vibration characteristic parameters to the DCS.

[0052] Optionally, the industrial control device sends the received vibration characteristic parameters to the DCS acquisition device, specifically including:

[0053] When the vibration characteristic parameters sent by the received vibration transmitter are consistent with the vibration characteristic parameters forwarded by the first device, the industrial control device sends the vibration characteristic parameters sent by the vibration transmitter to the DCS acquisition device. When data loss occurs in the vibration characteristic parameters sent by the received vibration transmitter, the industrial control device replaces the lost data with the vibration characteristic parameters forwarded by the first device to obtain the fault-tolerant vibration characteristic parameters. The industrial control device sends the fault-tolerant vibration characteristic parameters to the DCS acquisition device.

[0054] The vibration data transmission method of this embodiment is applied to the vibration data transmission network in Example 1, and may also include a number of methods such as multi-protocol transmission, network isolation, equipment redundancy, software diagnosis and data fault tolerance applied in the vibration data transmission network in Example 1 to achieve high-reliability transmission of vibration data.

[0055] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A vibration data transmission network, characterized in that: Including vibration transmission equipment, industrial control equipment, DCS acquisition equipment, and the first equipment, The vibration transmitter is connected to the industrial control device and the first device respectively, and is used to transmit the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and send the vibration characteristic parameters to the industrial control device and the first device respectively. The first device is connected to the industrial control device and is used to send the received vibration characteristic parameters to the industrial control device. The industrial control device is connected to the DCS acquisition device, and is used to receive the vibration characteristic parameters sent by the vibration transmission device and the first device, and send the vibration characteristic parameters to the DCS acquisition device. DCS acquisition equipment, used to transmit vibration characteristic parameters to DCS, The first device is a monitoring device. The vibration transmitter is also used to send the original dynamic vibration data collected by the vibration instrument to the monitoring device. Monitoring equipment is used to perform fault analysis and fault diagnosis of corresponding process equipment based on raw dynamic vibration data.

2. The vibration data transmission network according to claim 1, characterized in that: The vibration characteristic parameters sent by the vibration transmitter to the industrial control device are called vibration characteristic parameters of the first path, and the vibration characteristic parameters sent by the monitoring device to the industrial control device are called vibration characteristic parameters of the second path. The industrial control equipment includes a first industrial control equipment and a second industrial control equipment. The first industrial control device and the second industrial control device are redundant and interconnected, and both are connected to the vibration transmitter and the monitoring device, and are used to respectively receive the vibration characteristic parameters of the first path sent by the vibration transmitter, and to respectively receive the vibration characteristic parameters of the second path sent by the monitoring device. The first industrial control device and the second industrial control device are further configured to send the vibration characteristic parameters of the first path to the DCS acquisition device respectively.

3. The vibration data transmission network according to claim 2, characterized in that: The first industrial control device includes a first data fault-tolerant module, and the second industrial control device includes a second data fault-tolerant module. The first data fault-tolerant module and the second data fault-tolerant module are used to select the vibration characteristic parameters of the second path to replace the lost vibration characteristic parameters of the first path when data loss occurs in the vibration characteristic parameters of the first path received from the industrial control device, so as to obtain the vibration characteristic parameters after fault tolerance. The first industrial control device and the second industrial control device are used to send the fault-tolerant vibration characteristic parameters to the DCS acquisition device.

4. The vibration data transmission network according to claim 3, characterized in that: Also includes TCP Isolation Card, A TCP isolation card, one end of the TCP isolation card is connected to the first industrial control device and the second industrial control device respectively, and the other end is connected to the monitoring device, and is used to obtain the vibration characteristic parameters of the second path from the monitoring device, and transmit them to the first industrial control device and the second industrial control device to isolate the monitoring device from the first industrial control device and the second industrial control device, and is also used to transmit the first industrial control device, the second industrial control device, and its own operation / fault status to the monitoring device for monitoring.

5. The vibration data transmission network according to claim 4, characterized in that: The DCS acquisition device includes a first DCS acquisition device and a second DCS acquisition device. The first DCS acquisition device is connected to the first industrial control device and the DCS respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the first industrial control device to the DCS, The second DCS acquisition device is connected to the second industrial control device and the DCS respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the second industrial control device to the DCS.

6. The vibration data transmission network according to claim 5, characterized in that: It also includes a first switch, a second switch, a third network management switch, a fourth network management switch, and a bus IO, The first switch is connected to the first industrial control device and the first DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the first industrial control device to the first DCS acquisition device, The second switch is connected to the second industrial control device and the second DCS acquisition device respectively, and is used to transmit the vibration characteristic parameters of the first path or the vibration characteristic parameters after fault tolerance sent by the second industrial control device to the second DCS acquisition device, The third network management switch is connected to the vibration transmitter and the monitoring device respectively, and is used to transmit the vibration characteristic parameters and original dynamic vibration data sent by the vibration transmitter to the monitoring device. The fourth network management switch is connected to the third network management switch, the monitoring device, and the TCP isolation card respectively, and is used to transmit the vibration characteristic parameters and original dynamic vibration data transmitted by the third network management switch to the monitoring device, and to transmit the operation / fault status of the first industrial control device, the second industrial control device, and the TCP isolation card sent by the TCP isolation card to the monitoring device, and to provide the TCP isolation card with the vibration characteristic parameters received by the monitoring device. The bus IO has one end connected to the vibration transmitter device and the other end connected to the first industrial control device and the second industrial control device, and is used to transmit the vibration characteristic parameters of the first path sent by the vibration transmitter device to the first industrial control device and the second industrial control device respectively.

7. The vibration data transmission network according to claim 6, characterized in that: The monitoring equipment uses PC industrial controller, and the industrial control equipment uses PLC. The vibration transmitter devices are connected by shielded twisted pair cables, which are then aggregated into one twisted pair cable and connected to the bus IO.

8. A method for transmitting vibration data, characterized in that: include: The vibration transmitter device transmits the original dynamic vibration data collected by the vibration meter into vibration characteristic parameters, and sends the vibration characteristic parameters to the industrial control device and the first device respectively. The first device then forwards the received vibration characteristic parameters to the industrial control device. The industrial control equipment sends the received vibration characteristic parameters to the DCS acquisition equipment. The DCS acquisition device transmits the received vibration characteristic parameters to the DCS. The first device is a monitoring device. The method for transmitting vibration data also includes: The vibration transmitter sends the original dynamic vibration data collected by the vibration instrument to the monitoring device. The monitoring equipment performs fault analysis and fault diagnosis of the corresponding process equipment based on the original dynamic vibration data.

9. The vibration data transmission method according to claim 8, characterized in that: The industrial control device sends the received vibration characteristic parameters to the DCS acquisition device, specifically including: When the vibration characteristic parameters sent by the received vibration transmitter are consistent with the vibration characteristic parameters forwarded by the first device, the industrial control device sends the vibration characteristic parameters sent by the vibration transmitter to the DCS acquisition device. When data loss occurs in the vibration characteristic parameters sent by the received vibration transmitter, the industrial control device replaces the lost data with the vibration characteristic parameters forwarded by the first device to obtain the fault-tolerant vibration characteristic parameters, and the industrial control device sends the fault-tolerant vibration characteristic parameters to the DCS acquisition device.

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