Integrated gateway for matrix communication

Abstract

The utility model discloses an integrated gateway for matrix communication, which is arranged in a street lamp controller case and comprises a low-voltage power supply module, a high-voltage power supply module, a central processor module MCU (Microprogrammed Control Unit), a 4G Cat1 communication module and a Bluetooth communication module, the MCU is directly connected with the 4G Cat1 wireless communication module and the Bluetooth wireless communication module respectively; the MCU performs two-way communication with a cloud server through the 4G Cat1 wireless communication module; the MCU is in bidirectional communication connection with each adjacent street lamp controller through the Bluetooth wireless communication module; the low-voltage power supply module is connected with a low-voltage power supply system of the street lamp controller, the high-voltage power supply module is connected with a high-voltage power supply system of the street lamp controller, and input voltage ends and output voltage ends of the low-voltage power supply module and the high-voltage power supply module are connected to input terminals of the MCU and used for monitoring a power supply state.

Description

Technical Field

[0001] The utility model relates to the technical field of street lamp control, in particular to an integrated gateway for matrix communication. Background Art

[0002] In recent years, solar smart street light controllers have become a household name. Solar smart street light controllers are mainly used in solar power supply systems such as homes, commercial areas, factories, transportation, pastoral areas, and communications. In the face of the shortcomings of traditional solar smart street light controllers in energy consumption, monitoring, and management, it is hoped that more flexible control, smarter monitoring, and more efficient management can be achieved through technical means, ultimately meeting the needs of energy conservation and emission reduction and the construction of smart cities. Finally, the Internet of Things solar smart street light controller came into being.

[0003] Most IoT communication methods on the market are 2G and 4G. Each controller contains a communication module and a SIM card, so that the controller can communicate directly with the background wirelessly. However, the communication method is based on the wireless public network with low security and is restricted by network operators. The communication coverage is low and cannot be used globally. In addition, a large amount of operator fees will be incurred every year, which is more costly than expected for smart street light controllers.

[0004] With the continuous development of Bluetooth 5.0MESH, it has brought great breakthroughs to low-cost IoT controllers. The working frequency band of Bluetooth technology is universal and suitable for unlimited use by users around the world. In addition, all information in the network needs to be authenticated to prevent retransmission of information with serial numbers. Bluetooth communication uses error detection and correction, data encoding and decoding, error control, data noise, etc. to improve the reliability of Bluetooth wireless data transmission. In addition, adaptive frequency hopping technology minimizes crosstalk with other 2.4GISM band radio waves. Bluetooth technology products are easy to use. Using Bluetooth devices, you can search for another Bluetooth technology product and quickly establish a connection between the two devices. Under the control of the control software, data can be automatically transmitted. The communication distance between points has reached more than 100 meters, and then the Bluetooth MESH networking function is combined with the Bluetooth gateway to form an IoT communication system with a wide coverage area. Utility Model Content

[0005] The utility model discloses an integrated gateway for matrix communication, which is arranged in a street lamp controller chassis and includes: a low-voltage power supply module, a high-voltage power supply module, a central processing unit module MCU, a 4G Cat1 communication module and a Bluetooth communication module;

[0006] The MCU is directly connected to the 4G Cat1 wireless communication module and the Bluetooth wireless communication module respectively;

[0007] The MCU performs two-way communication with the cloud server through the 4G Cat1 wireless communication module;

[0008] The MCU performs a two-way communication connection with each adjacent street lamp controller through the Bluetooth wireless communication module;

[0009] The low-voltage power supply module is connected to the low-voltage power supply system of the street lamp controller, and the high-voltage power supply module is connected to the high-voltage power supply system of the street lamp controller. The input voltage end and the output voltage end of the low-voltage power supply module and the high-voltage power supply module are connected to the input terminal of the MCU.

[0010] As described in the utility model, the integrated gateway and the street light controller include two power supply devices, a battery and a solar cell;

[0011] The low-voltage power supply module converts the output voltage of the low-voltage battery into multiple voltage outputs, and the multiple voltage outputs are used to power the MCU, the Bluetooth communication module and the 4G Cat1 communication module;

[0012] The high-voltage power supply module converts the voltage of the solar cell into multi-channel voltages, and the multi-channel voltages supply power to the MCU, the Bluetooth communication module and the 4G Cat1 communication module.

[0013] As described in the utility model, the integrated gateway controls each street light controller according to the cloud server instructions, and the integrated gateway reads various parameters of the surrounding street light controllers according to the matrix arrangement, and uploads the various parameters to the cloud server.

[0014] As for the integrated gateway described in the present utility model, the cloud server includes a computer platform and a mobile terminal platform.

[0015] As described in the integrated gateway of the present invention, the cloud server can perform data collection, data storage, data analysis and calculation on various parameters of the uploaded street light controller; generate a fault handling plan for the street light controller, and the cloud server sends the fault handling plan to each street light controller through the integrated gateway for storage.

[0016] As with the integrated gateway described in the present invention, the working status, various parameters and location map of each street lamp controller can be displayed on the display device of the cloud server.

[0017] As in the integrated gateway of the present invention, the MCU uses the Bluetooth wireless communication module to establish a matrix MESH network with the Bluetooth modules of each street lamp controller.

[0018] As the integrated gateway described in the present invention, each matrix MESH network includes an integrated gateway and no more than one hundred street lamp controllers.

[0019] As for the integrated gateway described in the present invention, multiple integrated gateways are connected to the cloud server through 4G Internet of Things.

[0020] The advantages of the utility model are: a two-way power supply system, a low-voltage 3.2V battery voltage system, and a high-voltage 12V / 24V battery voltage system. Every 100 Bluetooth street light controllers and a matrix Bluetooth gateway realize the intelligent Internet of Things. The matrix Bluetooth gateway has both 4G and 2.4G omnidirectional antennas. The high-quality PCB design prevents the two radio frequencies from interfering with each other, and the communication stability is high. It realizes system monitoring and management that combines remote real-time control, single-point management and centralized management to avoid busy inspections by patrol personnel. It has remote data collection and analysis, and fault alarms to avoid road safety hazards. It comprehensively improves management efficiency and greatly reduces operating and maintenance costs. In addition, Bluetooth MESH communication also reduces the cost of electronic components of street light controllers and improves communication reliability and safety. IP67 waterproof rating, excellent thermal balance design and natural air cooling, can be used in various harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The principle block diagram of the utility model;

[0022] Figure 2 A schematic diagram of the composition of the Bluetooth matrix network of the present utility model;

[0023] Figure 3 The electrical schematic diagram of the Bluetooth communication module of the utility model;

[0024] Figure 4 The electrical schematic diagram of the central processing unit MCU module of the utility model. DETAILED DESCRIPTION

[0025] The utility model provides an integrated Bluetooth gateway for a Bluetooth matrix network. Hundreds of solar street light controllers with Bluetooth communication functions in the matrix establish a MESH network with a Bluetooth matrix integrated gateway, remotely control the Bluetooth street light controllers in the group or individually control the controllers, remotely switch lights, send data, issue fault alarms, and upload real-time data to a big data platform for data analysis and calculation. Bluetooth MESH communication reduces the cost of electronic components of street light controllers and improves communication reliability and security.

[0026] The preferred embodiments of the present invention will be described in detail below in conjunction with the examples. It should be understood that the following examples are provided only for the purpose of illustration and are not intended to limit the scope of protection of the present invention. Those skilled in the art may make various modifications and substitutions to the present invention without departing from the purpose and spirit of the present invention, and all of these modifications and substitutions fall within the scope of protection claimed in the claims of the present invention.

[0027] Attached Figure 1 This is a principle block diagram of the utility model.

[0028] Example 1

[0029] The utility model discloses an integrated gateway for matrix communication, which is arranged in a street lamp controller chassis and includes: a low-voltage power supply module, a high-voltage power supply module, a central processing unit module MCU, a 4G Cat1 communication module and a Bluetooth communication module; the MCU is directly connected to the 4G Cat1 wireless communication module and the Bluetooth wireless communication module respectively; the MCU performs two-way communication with a cloud server through the 4G Cat1 wireless communication module; the MCU performs two-way communication connection with each adjacent street lamp controller through the Bluetooth wireless communication module;

[0030] The low-voltage power supply module is connected to the low-voltage power supply system of the street lamp controller, and the high-voltage power supply module is connected to the high-voltage power supply system of the street lamp controller. The input voltage end and the output voltage end of the low-voltage power supply module and the high-voltage power supply module are connected to the input terminal of the MCU for power supply status monitoring.

[0031] The street light control box and the integrated gateway installed inside the street light control box can use two power supply systems, a low-voltage battery with an output voltage range of 2.5-8.5V, typically a 3.2V low-voltage battery. The output of the low-voltage battery is converted into a 5V DC voltage by a low-voltage power supply module, and the 5V DC voltage is reduced to 3.8V and 3.3V respectively by a step-down and voltage-stabilizing circuit module, of which 3.8V is provided to the 4G Cat1 communication module, and 3.3V is provided to the central processing unit MCU and the Bluetooth communication module.

[0032] The high-voltage power supply includes a 12V or 24V battery voltage system, usually a solar cell, and the high-voltage power supply output voltage range is 7-85V, which is stepped down to 5V by the high-voltage power supply module. The 5V voltage is reduced to 3.8V and 3.3V respectively by the step-down and voltage-stabilizing circuit module, of which 3.8V is provided to the 4G Cat1 communication module, and 3.3V is provided to the central processing unit MCU and the Bluetooth communication module.

[0033] As described in the utility model, the integrated gateway and the street light controller include two power supply devices, a battery and a solar cell;

[0034] The low-voltage power supply module converts the output voltage of the low-voltage battery into multiple voltage outputs, and the multiple voltage outputs are used to power the MCU, the Bluetooth communication module and the 4G Cat1 communication module;

[0035] The high-voltage power supply module converts the voltage of the solar cell into a multi-channel voltage, and the multi-channel voltage supplies power to the MCU, the Bluetooth communication module and the 4G Cat1 communication module;

[0036] As described in the utility model, the integrated gateway controls each street light controller according to the cloud server instructions, and the integrated gateway reads various parameters of the surrounding street light controllers according to the matrix arrangement, and uploads the various parameters to the cloud server.

[0037] As for the integrated gateway described in the present utility model, the cloud server includes a computer platform and a mobile terminal platform.

[0038] As described in the integrated gateway of the present invention, the cloud server can perform data collection, data storage, data analysis and calculation on various parameters of the uploaded street light controller; generate a fault handling plan for the street light controller, and the cloud server sends the fault handling plan to each street light controller through the integrated gateway for storage.

[0039] The working status, various parameters and location map of each street light controller can be displayed on the display device of the cloud server.

[0040] The MCU uses the Bluetooth wireless communication module to establish a matrix MESH network with the Bluetooth modules of each street light controller. Each matrix MESH network includes an integrated gateway and no more than one hundred street light controllers. Multiple integrated gateways are connected to the cloud server through 4G Internet of Things.

[0041] Multiple matrix integrated gateways constitute a self-organizing network communication system based on mesh network topology. Each gateway node consists of less than 100 solar street light controllers and a gateway. The data of the street light controller is transmitted through the gateway relay to achieve long-distance communication with the cloud server. The communication distance can reach several kilometers. First, the street light controllers and gateways in the matrix area form a local area network. After the data is gathered to the gateway through Bluetooth communication, it is uploaded to the cloud server in 4G mode. Through the Internet of Things platform, the cloud server can accurately grasp the installation location and operating status of each street light controller, timely feedback the fault situation, analyze the cause of the fault, predict the battery life according to the discharge depth, send instructions to change the output power and working hours of the equipment, etc., so as to help users improve operation and maintenance capabilities and reduce management costs.

[0042] The complete IoT system consists of the following parts: Solar Bluetooth Street Light Controller, which is responsible for the automatic control of charging and discharging of street lights or off-grid solar energy systems, system data collection, signal relay transmission and command execution.

[0043] Matrix Gateway: Connects solar controllers in the area to the cloud server via 4G. It also provides edge computing, data caching and other functions.

[0044] The software system includes: personal computer Internet of Things platform; mobile Internet of Things platform. Mobile terminal on-site control, equipment on-site input and positioning.

[0045] Attached Figure 2 This is a schematic diagram of the Bluetooth matrix network composition of the utility model, a Bluetooth mesh communication solution, with self-organizing network, multi-point routing, flexible and sound communication mechanism, strong error correction ability. It is stable and reliable. Remote control and operation and maintenance are realized through the Internet of Things platform. The PC and mobile terminals are interconnected, providing powerful software support. It can store detailed operating data of each street light controller within 1 month and statistical data within 1 year, including data such as current, voltage and power of solar panels, batteries, and loads connected to the device. It allows users to fully understand the operating status of the device.

[0046] The IoT platform can be used to analyze big data, classify and sort out the discharge depth and charge saturation of equipment batteries, and predict the battery life. It can timely discover street lighting equipment with insufficient lighting, adjust the lighting strategy in time, and improve the quality of the project. At the same time, it can provide a reliable digital basis for system optimization, help users reduce costs and improve product quality.

[0047] By using a virtual installation scene display on the display device of the cloud server, the installation location of each device can be clearly and accurately found, solving the problem that the current solar street light system is installed outdoors in a scattered manner, making it difficult to find, maintain and manage.

[0048] P67 protection level, suitable for various indoor and outdoor environments. Support remote OTA upgrade. The gateway has photovoltaic charging control function, and no additional charging and discharging control equipment is required when used alone. The communication adopts AES128bits mode asymmetric encryption technology to ensure communication security.

[0049] As attached Figure 3 As shown, the Bluetooth communication module uses PHY6212, which is an ultra-low power IoT Bluetooth wireless communication chip with a 32-bit Cortex TM -M0 CPU, equipped with 138KSRAM / Retention SRAM, has the characteristics of ultra-low power consumption, high performance and wireless multi-mode, supports BLE functions for security, application and wireless update, and its serial peripheral IO and integrated application IP also bring low-cost advantages to customers. U4 is the PHY6212 Bluetooth chip, X2 is the Bluetooth 2.4G omnidirectional antenna, R2, C46, ​​and C47 are π-type filters to match 50 ohm impedance to improve RF performance. Through the Bluetooth wireless transmission matrix gateway and the Bluetooth street light controller, a matrix MESH network is established. The Bluetooth chip U4 transmits data through the serial port and the serial port of the central MCU, and finally establishes the connection between the uplink and downlink through the central MCU to realize the smart IoT Bluetooth solar street light.

[0050] The 4G Cat1 communication module uses the LTE Cat.1bis module Air724UG. The Air724UG full network access module and the PHY6212 Bluetooth wireless communication chip collect, calculate, analyze and forward data through the serial port of the intelligent digital chip STM32, realizing the Internet of Things of Bluetooth street lights. The Air724UG module serial port communicates with the central MCU serial port through AT commands, and encodes the data according to the encoding rules developed by the system.

[0051] Attached Figure 4 It is the electrical schematic diagram of the central processing unit MCU. U2 is the central processing unit MCU model STM32. The central processing unit MCU is the bridge between 4G Cat1 wireless communication and Bluetooth wireless communication, and analyzes and calculates the data sent and collected.

[0052] The Bluetooth integrated gateway reads and writes the parameters in the Bluetooth street light controller through the personal computer platform and the mobile platform. The Bluetooth street light controller is connected to the IoT big data platform and has the ability to collect, store, analyze and calculate data. Through big data analysis, it provides digital basis for functional improvement, system optimization and product quality. The street light controller has pre-made a variety of problem handling plans. When an abnormal situation occurs, there is no need for human intervention, and the street light controller can solve it by itself. For example, the controller is preset with offline and networked dual working modes. If the network is interrupted, the street light controller will automatically switch to offline mode and continue to work, which maximizes the normal function of the product. The cloud server remotely upgrades the street light controller firmware through the Bluetooth integrated gateway, completes after-sales support, improves management efficiency, and reduces operation and maintenance costs.

[0053] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. An integrated gateway for matrix communication, characterized in that: The integrated gateway is arranged in the chassis of the street lamp controller, and includes: a low voltage power supply module, a high voltage power supply module, a central processing unit module MCU, a 4G Cat1 communication module and a Bluetooth communication module; The MCU is directly connected to the 4G Cat1 wireless communication module and the Bluetooth wireless communication module respectively; The MCU performs two-way communication with the cloud server through the 4G Cat1 wireless communication module; The MCU performs a two-way communication connection with each adjacent street lamp controller through the Bluetooth wireless communication module; The low-voltage power supply module is connected to the low-voltage power supply system of the street lamp controller, and the high-voltage power supply module is connected to the high-voltage power supply system of the street lamp controller. The input voltage end and the output voltage end of the low-voltage power supply module and the high-voltage power supply module are connected to the input terminal of the MCU.

2. The integrated gateway according to claim 1, characterized in that: The street light controller includes two power supply devices, batteries and solar cells; The low-voltage power supply module converts the output voltage of the low-voltage battery into multiple voltage outputs, and the multiple voltage outputs are used to power the MCU, the Bluetooth communication module and the 4G Cat1 communication module; The high-voltage power supply module converts the voltage of the solar cell into multi-channel voltages, and the multi-channel voltages supply power to the MCU, the Bluetooth communication module and the 4G Cat1 communication module.

3. The integrated gateway according to claim 1, characterized in that: The integrated gateway controls each street light controller according to the cloud server instructions. The integrated gateway reads various parameters of the surrounding street light controllers according to the matrix arrangement and uploads the various parameters to the cloud server.

4. The integrated gateway according to claim 3, characterized in that: The cloud server includes a computer platform and a mobile terminal platform.

5. The integrated gateway according to claim 4, characterized in that: The cloud server can perform data collection, data storage, data analysis and calculation on various parameters of the uploaded street light controller; generate a street light controller fault handling plan, and the cloud server sends the fault handling plan to each street light controller for storage through the integrated gateway.

6. The integrated gateway according to claim 4, characterized in that: The working status, various parameters and location map of each street light controller can be displayed on the display device of the cloud server.

7. The integrated gateway according to claim 1, characterized in that: The MCU uses the Bluetooth wireless communication module to establish a matrix MESH network with the Bluetooth modules of each street lamp controller.

8. The integrated gateway according to claim 7, characterized in that: Each matrix MESH network includes an integrated gateway and no more than one hundred street light controllers.

9. The integrated gateway according to claim 1, characterized in that: Multiple integrated gateways and cloud servers are connected via 4G IoT.

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