CN212660356U - Communication gateway for intelligent street lamp system and intelligent street lamp system - Google Patents
Communication gateway for intelligent street lamp system and intelligent street lamp system Download PDFInfo
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- CN212660356U CN212660356U CN202021960845.2U CN202021960845U CN212660356U CN 212660356 U CN212660356 U CN 212660356U CN 202021960845 U CN202021960845 U CN 202021960845U CN 212660356 U CN212660356 U CN 212660356U
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Abstract
The utility model provides a communication gateway and wisdom street lamp system for wisdom street lamp system, including the host processor and with the slave processor of host processor communication connection; the slave processors at least comprise a first slave processor and a second slave processor, and a plurality of communication modules are connected to the first slave processor and the second slave processor; the utility model discloses expanded multiple communication mode, existing wireless communication also has wired communication, can with the communication mode communication that the terminal layer equipment of multiple wisdom street lamp system expanded, realize the collection and the upload of street lamp bottom data, considered multiple remote communication mode simultaneously, make things convenient for issuing of application layer control command.
Description
Technical Field
The utility model relates to a gateway technical field, in particular to a communication gateway and wisdom street lamp system for wisdom street lamp system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the vigorous development and rapid popularization and application of the internet of things technology, city construction has been changed from a traditional city to a novel smart city. The intelligent street lamp is used as an important component of the construction of an intelligent city, a remote communication network is used, and intelligent service is provided for the modern society through remote centralized management control, so that the intelligent street lamp becomes a development trend. At present, the intelligent street lamp is mostly constructed by adopting a three-layer technical structure of a terminal layer, a network layer and an application layer and a two-layer communication system architecture scheme, wherein the communication network technology is very important.
The utility model discloses the inventor discovers, along with internet of things and wireless communication technology's rapid development, has emerged a large amount of different grade type's communication network simultaneously. The intelligent street lamp communication system forms a heterogeneous network environment due to the diversity of functions of the intelligent street lamp system and the difference of manufacturers. The problem of interconnection and intercommunication among heterogeneous networks is solved, and a communication gateway with universality is needed. The existing intelligent street lamp gateway has strong pertinence, single protocol and function and poor compatibility.
SUMMERY OF THE UTILITY MODEL
In order to solve the not enough of prior art, the utility model provides a communication gateway and wisdom street lamp system for wisdom street lamp system has expanded multiple communication mode, and existing wireless communication also has wired communication, can communicate with the terminal layer equipment of multiple wisdom street lamp system, realizes the collection and the upload of street lamp bottom data, has considered multiple remote communication mode simultaneously, makes things convenient for the issue of application layer control command.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses the first aspect provides a communication gateway for wisdom street lamp system.
A communication gateway for an intelligent street lamp system comprises a main processor and a slave processor in communication connection with the main processor;
the slave processors at least comprise a first slave processor and a second slave processor, and a plurality of communication modules are connected to the first slave processor and the second slave processor.
As some possible implementations, the master processor is communicatively coupled to the slave processors via an SPI bus.
As some possible implementation manners, the first slave processor is connected to the Zigbee communication module, the power carrier module, the 433M wireless module, the RS485 interface module, and the IO transmission module through communication interfaces, respectively.
As a further limitation, the first slave processor is connected with the Zigbee communication module, the power carrier module and the RS485 module through a UART interface.
By way of further limitation, the first slave processor is connected with the 433M wireless module through a TTL interface.
By way of further limitation, the first slave processor is connected with the IO transmission module through a GPIO interface.
As some possible implementations, the second slave processor is connected with the NB-IoT communication module, the GPRS communication module, the 4G communication module, the ethernet communication module, and the LoRa module through communication interfaces, respectively.
By way of further limitation, the second slave processor is connected with the 4G communication module, the GPRS communication module and the Ethernet communication module through a UART interface.
By way of further limitation, the second slave processor is connected with the NB-IoT communication module through a TTL interface.
By way of further limitation, the second slave processor is connected with the LoRa module through the SPI interface.
As some possible implementation manners, the main processor is respectively connected with the bluetooth module and the WIFI module.
As a further limitation, the main processor is connected with the WIFI module through an I2C bus, and the main processor is connected with the bluetooth module through a UART interface.
As a further limitation, the host processor is connected to the USB interface module.
The utility model discloses the second aspect provides a wisdom street lamp system.
A smart street lamp system comprises the communication gateway, at least one mobile device and at least one control terminal for the smart street lamp system in the first aspect of the invention;
the main processor is in communication connection with the mobile device, and the first slave processor and/or the second slave processor are in communication connection with the control terminal.
As some possible implementation manners, the first slave processor and/or the second slave processor are/is connected with a plurality of intelligent street lamp terminal devices in a communication mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. wisdom street lamp communication gateway and wisdom street lamp system, all have strong compatibility in the aspect of the hardware, expanded multiple communication mode, existing wireless communication also has wired communication, can communicate with the terminal layer equipment of multiple wisdom street lamp system, realize the collection and the upload of street lamp bottom data.
2. Wisdom street lamp communication gateway and wisdom street lamp system, considered multiple remote communication mode, make things convenient for issuing of application layer control command.
3. Wisdom street lamp communication gateway and wisdom street lamp system, the built-in communication protocol stack that corresponds of communication module who chooses for use sets up Linux operating system in the gateway, can programme on the software, reserves secondary development function, both can be used to city street lamp system, also can be used to multiple application occasions such as township street lamp system and remote area.
4. Wisdom street lamp communication gateway and wisdom street lamp system, realize through cell-phone APP with the man-machine conversation function of gateway, make gateway operating parameter's convenient flexibility that sets up.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is the utility model provides an embodiment 1 provides a wisdom street lamp communication gateway's functional structure sketch map.
Fig. 2 is the embodiment of the present invention provides a hardware module schematic diagram of an intelligent street lamp communication gateway according to embodiment 1.
Fig. 3 is the embodiment of the present invention provides a software and hardware module schematic diagram of a smart street lamp communication gateway according to embodiment 2.
Fig. 4 is a schematic view of an architecture of an intelligent street lamp system provided in embodiment 3 of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example 1:
as shown in fig. 1 and fig. 2, embodiment 1 of the present invention provides a communication gateway for an intelligent street lamp system, where the gateway hardware includes a main control unit, a first layer communication unit, a second layer communication unit, and a power management unit;
the main control unit is a control core of the whole intelligent street lamp gateway and is responsible for receiving data uploaded by street lamp terminal equipment and control instructions issued by the application service platform, carrying out protocol conversion on the received data information and then forwarding the data to a target communication network.
A Linux operating system is arranged in the main control unit, and a 32-bit Embedded Microcontroller (EMCU) is selected, such as an STM32 series based on an ARM Cortex-M3 kernel and an AT91SAM9X5 series based on an ARM926EJ-S kernel, which are all universal embedded microcontrollers. With rich network/connected peripheral interfaces. The main control unit is used for providing a working environment required by Linux operation and a multi-type communication mode of the gateway. Main control unit and the tall and erect APP wireless communication of cell-phone ann realize man-machine conversation function, with the required information display that shows on the cell-phone screen, the required threshold value that sets up of terminal equipment sets up through cell-phone APP.
The main control unit and the Android APP of the mobile phone Android communicate through Bluetooth or WIFI.
The first layer of communication is a street lamp terminal data information acquisition network and is a near-field local communication network. Considering the diversity of wisdom street lamp function and the nonconformity of terminal equipment producer, the compatible multiple terminal equipment's of first layer communication mode, the mode that present embodiment is compatible to be used commonly in the near field communication at present, including wireless communication modes such as Zigbee, LoRa, 433M, WIFI and wired communication modes such as RS485, IO transmission. Therefore, the first layer communication module comprises a Zigbee communication module, a LoRa communication module, a 433M wireless module, a WIFI wireless module, an RS485 interface and an IO transmission module.
The second layer communication is responsible for information interaction between the intelligent street lamp gateway and the application layer service platform and is a remote communication network. The embodiment is compatible with the current common way of long-distance communication, and adopts various communication ways such as NB-IoT, GPRS, 4G, Ethernet, power line carrier PLC and the like. The second layer communication module thus includes an NB-IoT communication module, a GPRS communication module, a 4G communication module, an ethernet communication module, a Power Line Carrier (PLC) module, and the like.
In order to meet the strong compatibility of the gateway, the main control unit adopts a plurality of embedded microcontrollers so as to meet the expansion requirements of the first layer communication module and the second layer communication module. The embedded microcontrollers adopt a one-master multi-slave working mode, and a Linux operating system is arranged in the master EMCU and is used for providing a working environment required by Linux operation and wirelessly communicating with the android APP of the mobile phone; the slave EMCU is used for the extension of the first layer communication module and the second layer communication module.
The power management unit is responsible for supplying power to all communication units and other components on the gateway equipment, and comprises a bottom plate power supply of the intelligent street lamp gateway equipment, all module power supplies of the first layer of communication units and all module power supplies of the second layer of communication units. The input rated voltage of the power supply is AC 100-220V alternating current, the frequency is 50Hz, the output voltage is DC3.3V, DC3.8V, DC5V, +/-12V and the like, and the requirements of the working voltage and the power of all devices of the street lamp gateway equipment are met.
The following is a detailed description of specific chips:
the STM32F103 of STM32 series is used as an embedded microcontroller, and the master control unit adopts a master two-slave microprocessor which is respectively a master EMCU, a slave EMCU1 and a slave EMCU 2.
STM32F103 includes up to 9 communication interfaces, including: 2 pieces of I2C interface, 3 USART interfaces, 2 SPI interfaces, 1 CAN2.0B interface and 1 USB2.0 full-speed interface.
The first layer communication module and the second layer communication module respectively use an E18-MS1PA2-IPX type Zigbee communication module, an E19-433M20SC type LoRa communication module, a CC1310-TC-005 type 433M wireless module, an ESP8266 type WIFI wireless module, an E840-TTL-NB03 type NB-IoT communication module, an E840-TTL-GPRS03 type GPRS communication module, an E840-TTL-4G04 type 4G communication module, an E810-TTL-ETH02 type Ethernet module and a PL-701 power carrier module, and specific communication modules and interface modes thereof are shown in Table 1.
Table 1: communication module and interface mode thereof.
| Communication module | Selecting the model | Interface mode |
| Zigbee communication module | E18-MS1PA2-IPX | UART |
| LoRa communication module | E19-433M20SC | SPI |
| 433M wireless module | CC1310-TC-005 | TTL interface |
| WIFI wireless module | ESP8266 | I2C |
| NB-IoT communication module | E840-TTL-NB03 | TTL interface |
| GPRS communication module | E840-TTL-GPRS03 | UART |
| 4G communication module | E840-TTL-4G04 | UART |
| Ethernet module | E810-TTL-ETH02 | UART |
| Power carrier module | PL-701 | UART |
| RS485 | RS485 | |
| IO transmission | GPIO |
The method is characterized in that a master-slave microprocessor and a slave-slave microprocessor are adopted, a Linux operating system is arranged in a master EMCU, information is exchanged with a mobile phone APP in a Bluetooth or WIFI wireless mode, an interface mode between the master EMCU and a Bluetooth module is an asynchronous serial UART, and an interface mode between the master EMCU and a WIFI module is an I2And C, leading out a USB interface by the main EMCU, and leading in and out gateway data.
The master EMCU exchanges data with the slave EMCU through the SPI. The Zigbee communication module, the power carrier module, the 433M wireless module, the RS485 and the IO transmission module extend from the EMCU 1. Extended from the EMCU2 are a LoRa communication module, an ethernet module, an NB-IoT communication module, a GPRS communication module, and a 4G communication module.
Example 2:
the embodiment 1 of the utility model provides a communication gateway for wisdom street lamp system, gateway hardware include main control unit, first layer communication unit, second floor communication unit and power management unit, and detailed structure setting is the same with embodiment 1, and here is no longer repeated.
Wherein, gateway software is set on the gateway described in embodiment 1, as shown in fig. 3, the gateway software described in this embodiment provides programmability. The gateway hardware equipment is provided with a hardware driving layer, which mainly comprises an MPU initialization part, a serial communication initialization part, a timer initialization part and an interrupt response initialization part and is used for realizing the driving of wireless network communication and serial communication. The hardware driving layer firstly defines a configuration structure related to the serial port to enable the serial port and the GPIO port. The serial port setting comprises a baud rate, a frame structure and a checking mode. And communication protocol conversion and data transmission management are carried out above the hardware driving layer.
The specific gateway software adopts the existing mode, and the design of the gateway software can be realized according to the existing method or algorithm in the field to realize hardware driving, which is not described herein again.
Example 3:
the embodiment 3 of the present invention provides an intelligent street lamp system, which includes the communication gateway, at least one mobile device and at least one control terminal for the intelligent street lamp system described in embodiment 1 or embodiment 2 of the present invention;
the main processor is in communication connection with the mobile device, the slave EMCU1 and/or the second slave EMCU2 is in communication connection with the control terminal, and particularly, a specific APP carried in a mobile phone terminal can be adopted to realize remote control and data reception.
The slave EMCU1 and/or the second slave EMCU2 are in communication connection with a plurality of intelligent street lamp terminal devices.
Specifically, as shown in fig. 4, the intelligent street lamp system includes a three-layer technical structure including a terminal layer, a network layer, and an application layer, and a two-layer communication system.
The first layer of communication is downwards composed of terminal equipment such as a street lamp and a sensor, wherein the sensor can be an environment sensor for collecting environment parameters, can be a video vehicle detector and a passenger flow statistics camera for respectively detecting the traffic flow and the passenger flow, and can also be a camera for recording image information collected by a street lamp terminal;
the second layer of upward communication master station control center can be a PC or a mobile phone APP application server, and analyzes uploaded data at the application server side and issues a control instruction according to actual application requirements;
the first layer communication and the second layer communication are connected by using gateway equipment with a communication protocol conversion function and a data forwarding function, and the gateway equipment can be installed at a box transformer substation and can also be deployed at an important road section or intersection with more traffic flow and people flow according to the actual application requirements of the street lamp.
The gateway described in embodiment 1 is used to undertake the tasks of analyzing and forwarding the communication data information between the street lamp terminal device and the application service platform, and when the data collected by the street lamp terminal device or the information fed back by the service platform is uploaded and transmitted in the first layer (local) communication network and the second layer (remote) communication network, the received data information can be analyzed and forwarded.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A communication gateway for an intelligent street lamp system is characterized by comprising a main processor and a secondary processor in communication connection with the main processor;
the slave processors at least comprise a first slave processor and a second slave processor, and a plurality of communication modules are connected to the first slave processor and the second slave processor.
2. The communication gateway for intelligent street lamp system according to claim 1, wherein the master processor is communicatively connected to the slave processor via an SPI bus.
3. The communication gateway for intelligent street lamp system as claimed in claim 1, wherein the first slave processor is connected to the Zigbee communication module, the power line carrier module, the 433M wireless module, the RS485 interface module, and the IO transmission module through communication interfaces, respectively.
4. The communication gateway for intelligent street lamp system according to claim 3, wherein the first slave processor is connected with the Zigbee communication module, the power carrier module and the RS485 module through a UART interface;
or,
the first slave processor is connected with the 433M wireless module through a TTL (transistor-transistor logic) interface;
or,
and the first slave processor is connected with the IO transmission module through a GPIO interface.
5. The communication gateway for intelligent street lamp system according to claim 1, wherein the second slave processor is connected to the NB-IoT communication module, the GPRS communication module, the 4G communication module, the ethernet communication module and the LoRa module through communication interfaces, respectively.
6. The communication gateway for intelligent street lamp system according to claim 5, wherein the second slave processor is connected with the 4G communication module, the GPRS communication module and the Ethernet communication module through UART interfaces;
or,
the second slave processor is connected with the NB-IoT communication module through a TTL interface;
or,
and the second slave processor is connected with the LoRa module through the SPI interface.
7. The communication gateway for intelligent street lamp system according to claim 1, wherein the main processor is connected to the bluetooth module and the WIFI module respectively.
8. The communication gateway for intelligent street lamp system as claimed in claim 7, wherein the main processor is connected with the WIFI module via an I2C bus, and the main processor is connected with the Bluetooth module via a UART interface;
or,
the main processor is connected with the USB interface module.
9. An intelligent street lamp system, comprising the communication gateway for the intelligent street lamp system as claimed in any one of claims 1 to 8, at least one mobile device and at least one control terminal;
the main processor is in communication connection with the mobile device, and the first slave processor and/or the second slave processor are in communication connection with the control terminal.
10. The intelligent street lamp system as claimed in claim 9, wherein the first slave processor and/or the second slave processor are connected with a plurality of intelligent street lamp terminal devices in communication.
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| CN202021960845.2U CN212660356U (en) | 2020-09-09 | 2020-09-09 | Communication gateway for intelligent street lamp system and intelligent street lamp system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365401A (en) * | 2021-05-28 | 2021-09-07 | 江苏集萃深度感知技术研究所有限公司 | Street lamp illumination communication system based on multiple frequency bands |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365401A (en) * | 2021-05-28 | 2021-09-07 | 江苏集萃深度感知技术研究所有限公司 | Street lamp illumination communication system based on multiple frequency bands |
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