Optical transceiver with LoRa management function
By integrating LoRa wireless communication technology and Ethernet switching chip unit into the optical transceiver, the problems of short transmission distance, susceptibility to interference, and high power consumption of traffic supplementary lighting devices are solved, realizing low-latency, high-security, and wide-range data transmission, meeting the remote monitoring needs of intelligent transportation systems.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO PUBLIC SECURITY TRAFFIC MANAGEMENT & GUARANTEE SERVICE CENTER (NINGBO ROAD TRAFFIC ACCIDENT SOCIAL ASSISTANCE FUND MANAGEMENT CENTER NINGBO PUBLIC SECURITY TRAFFIC MANAGEMENT RESEARCH INSTITUTE)
- Filing Date
- 2025-04-07
- Publication Date
- 2026-04-17
AI Technical Summary
Existing traffic lighting devices suffer from short transmission distances, susceptibility to interference, and high power consumption in intelligent transportation systems due to their wireless communication technology. They cannot effectively cover large areas, and remote data transmission suffers from high latency and security issues.
The optical transceiver with LoRa management function integrates LoRa wireless communication technology, Ethernet switching chip unit and logic control unit to realize local switching and independent remote transmission of multi-port Ethernet data. It combines LoRa unit, electrical port unit and optical port unit for signal conversion to enhance transmission distance and security.
It achieves low-power, high-efficiency, and stable data transmission over a wide range, reaching 2-5 kilometers in urban areas and 15 kilometers in suburban areas, improving management efficiency and ensuring low latency and high security.
Smart Images

Figure CN224139011U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of signal conversion and transmission technology, and in particular to an optical transceiver with LoRa management functionality. Background Technology
[0002] With the rapid development of intelligent transportation systems, the demand for remote monitoring and management of traffic lighting devices is increasing. Existing traffic lighting devices have some shortcomings in application, especially when using wireless communication technologies such as Bluetooth and Wi-Fi.
[0003] While Wi-Fi technology is fast and convenient, its transmission distance is relatively short, typically between 10 and 200 meters, making it suitable for connections between devices within a local area network. This may be insufficient to cover large monitoring areas in intelligent transportation systems, leading to susceptibility to interference and signal attenuation. Furthermore, Wi-Fi consumes relatively high power, which may make it unsuitable for devices requiring long-term operation, increasing maintenance costs and energy consumption.
[0004] Bluetooth Low Energy technology typically has a transmission range of only tens of meters, which may not be enough to cover large traffic monitoring areas, and may be insufficient in scenarios with large-scale node access.
[0005] Furthermore, many places need to securely and quickly transmit other local intelligent transportation data to remote locations tens of kilometers away. However, transmitting via the Internet presents problems such as high latency and potential security vulnerabilities.
[0006] Therefore, the market urgently needs a data transmission device that can efficiently transmit data over long distances while also being energy-efficient for large-scale monitoring of traffic lighting devices. Utility Model Content
[0007] To address the problem that existing wireless data transmission devices cannot efficiently and stably transmit data or signals over long distances, this application provides an optical transceiver with LoRa management functionality.
[0008] The optical transceiver with LoRa management function provided in this application adopts the following technical solution:
[0009] An optical transceiver with LoRa management function includes at least a circuit board on which a logic control unit is mounted. The circuit board further includes an electrical port unit one, a switching chip unit, a data transceiver module, a LoRa unit, an electrical port unit two, and an optical port unit.
[0010] The first electrical port unit, the second electrical port unit, and the data transceiver module are respectively coupled to the logic control unit, while the LoRa unit, the second electrical port unit, and the optical port unit are respectively coupled to the switching chip unit.
[0011] Optionally, the logic control unit includes at least an FPGA chip with a high-speed serial transceiver for demultiplexing and multiplexing the total data stream, and the data output terminal of the FPGA chip is connected to the data transceiver module.
[0012] Optionally, the electrical port unit includes a switching chip, a network transformer, and an RJ45 port for converting between the serial Ethernet signal of the external electrical port and the internal parallel RGMII Ethernet signal.
[0013] Optionally, the switching chip unit includes a second switching chip to exchange Ethernet data between the LoRa unit, the second electrical port unit, the optical port unit, and the logic control unit.
[0014] Optionally, the LoRa unit includes a LoRa transceiver chip, an SMA connector, and a network management chip for converting between LoRa signals and Ethernet signals.
[0015] Optionally, the second electrical port unit includes a multi-channel network transformer and an RJ45 port for transmitting and receiving signals from external multi-channel electrical ports.
[0016] Optionally, the optical port unit includes multiple Ethernet PHY chips and SFP optical ports for conversion between multiple electrical port signals and optical port signals.
[0017] Optionally, the data transceiver module includes at least an optical module for sending and receiving the total data stream.
[0018] In summary, this application includes at least one of the following beneficial technical effects:
[0019] 1. By integrating LoRa wireless communication technology, large-scale management and control of intelligent traffic lighting devices are realized, covering a distance of 2-5 kilometers in urban areas and 15 kilometers in suburban areas, thus improving management efficiency;
[0020] 2. Through the Ethernet switching chip unit, local switching of signals between multi-port Ethernet optical data and Ethernet electrical data is realized, which has wide applicability;
[0021] 3. Through the logic control unit, independent remote transmission of Ethernet data on two channels is achieved, featuring low latency and high security;
[0022] 4. By integrating LoRa technology and Ethernet transmission technology into one device, it saves space and is easy to use. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the implementation principle of an optical transceiver with LoRa management function according to this application.
[0024] Explanation of reference numerals in the attached diagram: 1. Circuit board; 2. Logic control unit; 21. FPGA chip; 3. Electrical port unit 1; 31. Switching chip 1; 32. Network transformer; 33. RJ45 port; 4. Switching chip unit; 41. Switching chip 2; 5. Data transceiver module; 51. Optical module; 6. LoRa unit; 61. LoRa transceiver chip; 62. SMA connector; 63. Network management chip; 7. Electrical port unit 2; 71. Network transformer; 72. RJ45 port; 8. Optical port unit; 81. Ethernet PHY chip; 82. SFP optical port. Detailed Implementation
[0025] The following is in conjunction with the appendix Figure 1 This application will be described in further detail.
[0026] This application discloses an optical transceiver with LoRa management functionality.
[0027] Reference Figure 1 An optical transceiver with LoRa management function includes at least a circuit board 1, on which a logic control unit 2 is mounted. The circuit board 1 also includes an electrical port unit 3, a switching chip unit 4, a data transceiver module 5, a LoRa unit 6, an electrical port unit 7, and an optical port unit 8.
[0028] Furthermore, the electrical port unit 3, the switching chip unit 4, and the data transceiver module 5 are respectively coupled to the logic control unit 2 to realize the processing and transmission of Ethernet data. The LoRa unit 6, the electrical port unit 7, and the optical port unit 8 are respectively coupled to the switching chip unit 4 to perform the switching and transmission of LoRa data and external Ethernet data.
[0029] Reference Figure 1 Furthermore, the electrical port unit includes a switching chip 31, a network transformer 32, and an RJ45 port 33 for converting between serial Ethernet signals from the external electrical port and internal parallel RGMII Ethernet signals.
[0030] Specifically, it has a built-in switching chip 31, which supports one serial MDI electrical port and one parallel RGMII port. The MDI electrical port is connected to the RJ45 port 33 through the network transformer 32, supporting 10 / 100 / 1000M speed adaptive, and the parallel RGMII port is coupled to the logic control unit 2.
[0031] Reference Figure 1 Furthermore, the logic control unit 2 includes at least an FPGA chip 21 with a high-speed serial transceiver for demultiplexing and multiplexing the total data stream, and the data output terminal of the FPGA chip 21 is coupled to the data transceiver module 5.
[0032] Specifically, the FPGA chip 21 has a 2.5G high-speed serial transceiver, which is connected to the data transceiver module 5 through two sets of differential signal lines, TXP / N and RXP / N, for transmitting and receiving the total data stream. The total data stream multiplexes two sets of parallel RGMII Ethernet data from the electrical port unit 3 and the switching chip unit 4, and the two sets of data are isolated from each other.
[0033] Reference Figure 1 Furthermore, the switching chip unit 4 includes a second switching chip 41 to switch Ethernet data between the LoRa unit 6, the second electrical port unit 7, the second optical port unit 8, and the logic control unit 2.
[0034] Specifically, switch chip 241 supports multiple MDI electrical ports and two RGMII ports. The multiple MDI electrical ports are connected to electrical port unit 7 and optical port unit 8, respectively, and the two RGMII ports are connected to logic control unit 2 and LoRa unit 6, respectively. Switch chip 241 is used for Ethernet data switching.
[0035] Reference Figure 1 Furthermore, the LoRa unit 6 includes at least a LoRa transceiver chip 61, an SMA connector 62, and a network management chip 63 for converting between LoRa signals and Ethernet signals.
[0036] Specifically, the SMA connector 62 connects the external antenna and the internal LoRa transceiver chip 61; the LoRa transceiver chip 61 is used for transmitting and receiving LoRa signals and processing serial port data to communicate with the network management chip 63; the serial port of the network management chip 63 is connected to the LoRa transceiver chip 61, and the parallel RGMII port 34 of the network management chip 63 is connected to the switching chip unit 4 for the conversion and management of serial port data and Ethernet data.
[0037] Reference Figure 1 Furthermore, the electrical port unit 2 7 includes at least a multi-channel network transformer 71 and an RJ45 port 72 for transmitting and receiving signals from external multi-channel electrical ports.
[0038] Specifically, the multi-channel network transformer 71 and the RJ45 port 72 are mainly used to connect the switching chip unit 4 and the RJ45 port 72 to reduce interference.
[0039] Reference Figure 1 Furthermore, the optical port unit 8 includes multiple Ethernet PHY chips 81 and SFP optical ports 82, which are used for conversion between multiple electrical port signals and optical port signals.
[0040] Specifically, the MDI electrical port of the Ethernet PHY chip 81 is connected to the switching chip unit 4, and the SERDES optical port of the Ethernet PHY chip 81 is connected to the SFP optical port 82 for conversion between multiple Ethernet electrical port signals and Ethernet optical port signals.
[0041] Reference Figure 1 The data transceiver module 5 includes at least an optical module 51 for sending and receiving the total data stream.
[0042] Specifically, optical module 51 supports optical Ethernet data over tens of kilometers and is used for long-distance transmission and reception of the total data stream of the high-speed serial transceiver in logic control unit 2.
[0043] The implementation principle of an optical transceiver with LoRa management function in this application embodiment is as follows:
[0044] By incorporating Ethernet switching chip units and logic control units within the optical transceiver, local switching of multi-port Ethernet optical data and Ethernet electrical data, as well as independent remote transmission of Ethernet data across two channels, are achieved. This results in low latency and high security. Furthermore, the integration of LoRa wireless communication technology enables the signal to be transmitted over a greater distance while effectively reducing power consumption, making it highly practical.
[0045] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. An optical transceiver with LoRa management function, comprising at least a circuit board (1), a logic control unit (2) is installed on the circuit board (1), characterized in that: The circuit board (1) also includes an electrical port unit one (3), a switching chip unit (4), a data transceiver module (5), a LoRa unit (6), an electrical port unit two (7), and an optical port unit (8). Among them, the first electrical port unit (3), the second electrical port unit (4) and the data transceiver module (5) are respectively coupled to the logic control unit (2), and the LoRa unit (6), the second electrical port unit (7) and the optical port unit (8) are respectively coupled to the second electrical port unit (4).
2. The optical transmitter with LoRa management function according to claim 1, characterized in that: The logic control unit (2) includes at least an FPGA chip (21) with a high-speed serial transceiver for demultiplexing and multiplexing the total data stream. The high-speed serial transceiver of the FPGA chip (21) is connected to the data transceiver module (5).
3. The optical transmitter of claim 1, wherein: The electrical port unit 1 (3) includes a switching chip 1 (31), a network transformer (32), and an MDI electrical port (33) for converting between the serial Ethernet signal of the external electrical port and the internal parallel RGMII Ethernet signal.
4. The optical transmitter of claim 1, wherein: The switching chip unit (4) includes a second switching chip (41) to exchange Ethernet data between the LoRa unit (6), the second electrical port unit (7), the optical port unit (8), and the logic control unit (2).
5. The optical transmitter of claim 1, wherein: The LoRa unit (6) includes a LoRa transceiver chip (61), an SMA connector (62), and a network management chip (63) for converting between LoRa signals and Ethernet signals.
6. The optical transmitter of claim 1, wherein: The second electrical port unit (7) includes a multi-channel network transformer (71) and an RJ45 port (72) for receiving and transmitting signals from external multi-channel electrical ports.
7. An optical transceiver with LoRa management function according to claim 1, characterized in that: The optical port unit (8) includes multiple Ethernet PHY chips (81) and SFP optical ports (82) for conversion between multiple electrical port signals and optical port signals.
8. The optical transmitter of claim 1, wherein: The data transceiver module (5) includes at least an optical module (51) for sending and receiving the total data stream.