CN211406390U - Narrow-band communication intelligent street lamp control system - Google Patents
Narrow-band communication intelligent street lamp control system Download PDFInfo
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- CN211406390U CN211406390U CN202020194437.4U CN202020194437U CN211406390U CN 211406390 U CN211406390 U CN 211406390U CN 202020194437 U CN202020194437 U CN 202020194437U CN 211406390 U CN211406390 U CN 211406390U
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Abstract
A narrow-band communication intelligent street lamp control system comprises a street lamp application node, an NB-IOT platform, a user data processor and a system terminal; the street lamp application node comprises a microcontroller module, and a downlink acquisition and control module, an uplink communication module and a memory module which are respectively and electrically connected with the microcontroller module; the microcontroller module is electrically connected with an NB-IOT platform through an uplink communication module, and the NB-IOT platform is electrically connected with a user data processor; and the user data processor is electrically connected with the system terminal. The utility model has the advantages of communication success rate is high, data communication response is fast, energy saving, work efficiency height.
Description
Technical Field
The utility model relates to a street lamp control technology field, especially a narrowband communication wisdom street lamp control system.
Background
The traditional street lamp controller technology communication mode generally adopts a power line carrier communication and General Packet Radio Service (GPRS) combined communication mode, the power line carrier is adopted in an internal loop of a transformer in the same transformer area, when different transformer areas are bridged, information in the same transformer area is required to be transmitted to a background service system through GPRS by a data terminal, and the defects of large power frequency harmonic interference, more data terminal requirements, increased cost, inconvenience in installation, large later maintenance amount and the like exist; and short-distance communication modes such as WiFi and ZigBee are adopted for networking among the street lamp control devices to replace power line carrier communication, so that the defects of complex network topological structure and low stability exist. Compared with the traditional communication mode, the narrow-band communication (NB-IOT) technology has the advantages of wide connection, wide coverage, low cost and low power consumption, can be directly deployed in the existing operator network, is independent of street lamp control equipment, and has the advantages of stable and reliable signals, low construction cost, convenience in maintenance and upgrade and the like.
In the prior art, a technical scheme of remotely controlling the street lamp by using a narrow-band communication technology is also used, but intellectualization cannot be completely realized, for example, when the street lamp breaks down, the street lamp position cannot be immediately positioned, and a worker is dispatched to maintain, so that the street lamp is poor in convenience and low in efficiency; or the comprehensiveness is poor, all information of the street lamp cannot be completely controlled, for example, the street lamp cannot be controlled in time under the conditions of water accumulation, electric leakage, lamp post inclination and the like, the safety is poor, and the energy consumption of the existing street lamp is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of prior art and providing a communication success rate, data communication response is fast, the energy saving, narrowband communication wisdom street lamp control system that work efficiency is high.
The technical scheme of the utility model is that: a narrow-band communication intelligent street lamp control system comprises a street lamp application node, an NB-IOT platform, a user data processor and a system terminal; the street lamp application node comprises a microcontroller module, and a downlink acquisition and control module, an uplink communication module and a memory module which are respectively and electrically connected with the microcontroller module; the microcontroller module is electrically connected with an NB-IOT platform through an uplink communication module, and the NB-IOT platform is electrically connected with a user data processor; and the user data processor is electrically connected with the system terminal.
Further, the downlink acquisition and control module comprises at least one of the following modules: the device comprises a voltage and current detection module, a light intensity sensor detection module, a temperature sensor detection module, a camera module, an anti-inclination detection module, a street lamp voice alarm module and an electric leakage alarm module; the voltage and current detection module, the light intensity sensor detection module, the temperature sensor detection module, the camera module, the anti-inclination detection module and the electric leakage alarm module are respectively connected with the input end of the microcontroller module; the street lamp voice alarm module is connected with the output end of the microcontroller module.
Further, the downlink acquisition and control module further comprises a relay output module, and the relay output module is connected with the output end of the microcontroller module.
Further, the NB-IOT platform comprises a base station and a third party management server; and the street lamp application node performs bidirectional data transparent transmission with the user data processor through the base station and the third-party management server.
Further, the user data processor comprises a front server and an application server, the front server is electrically connected with a third-party management server, and the application server is electrically connected with the system terminal.
Furthermore, the uplink communication module comprises a full-network communication module chip, and a power control circuit, an internet of things card loop, an asynchronous receiving and sending loop and an antenna which are connected with the full-network communication module chip.
Further, the microcontroller module is connected with a power supply end of the communication module; the serial port of the microcontroller module and the uplink communication module perform data interaction; and the uplink communication module is communicated with a base station of the NB-IOT platform through an antenna.
Further, the memory module is connected with an SPI interface of the microcontroller module through an SPI bus.
Further, the microcontroller module employs an STM32 chip.
Further, the third-party management server is an aerial cloud platform server.
The utility model has the advantages that:
(1) an NB-IOT communication mode is adopted, data are sent to a system terminal, namely a control center of a road administration department, according to the site covered by the existing base station network, the communication success rate reaches more than 99%, and the data communication response time is less than 1 s;
(2) the brightness degree of the street lamp can be controlled in real time according to the flow of pedestrians and vehicles, when the number of street personnel is small, unnecessary breviscapine can be turned off, and energy is saved better;
(3) the microcontroller module is connected with a power supply end of the communication module, and after data transmission is finished, the microcontroller module disconnects the module power supply, so that a module of the uplink communication module can be ensured to be in a hardware disconnection state, and the power consumption of the whole controller module is lowest;
(4) by arranging the user data processor, data service access service can be provided for the system terminal, and a stable and reliable data source is provided;
(5) the problem that unnecessary breviscapine is turned off when the number of street staff is rare can be solved, so that the energy is saved; reminding passers-by to pay attention to safety at the road section with water; under the condition of electric leakage, the main brake power supply is cut off in time, so that electric shock accidents are avoided; the lamp pole can be maintained in time under the condition of inclination.
Drawings
Fig. 1 is a block diagram of the overall structure of a street lamp control system according to an embodiment of the present invention;
fig. 2 is a hardware circuit block diagram of an application node of a street lamp according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a module BC28 of the uplink communication module according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a peripheral connection circuit of the module BC28 of the uplink communication module according to the embodiment of the present invention;
fig. 5 is a software control flow chart of the street lamp application node according to the embodiment of the present invention;
fig. 6 is a software control flow chart of the downlink acquisition and control module according to the embodiment of the present invention;
fig. 7 is a schematic view of an OA interface according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and specific examples.
The street lamp control system is mainly used for collecting the street lamp states of the single street lamp, such as brightness, temperature, voltage, current, power and the like, and carrying out remote regulation and control according to the field environment and emergency. The street lamp control system based on the Internet of things is composed of a street lamp application node, an NB-IOT platform, a user data processor and a browsing server, and is shown in figure 1.
The street lamp application node comprises a light display module, a sensor acquisition module and a controller module. The light display comprises an incandescent lamp, an LED lamp, a landscape lamp and the like; the sensor acquisition module is mainly used for acquiring state information and environmental information of the street lamp; the controller module is mainly used for storing the information of the sensor acquisition module, uploading the information required by the user data processor to the master station in an NB-IOT communication mode, and controlling the light according to the set information.
The NB-IOT platform comprises a base station and a third-party management server, and the third-party management server is preferably an airfoil cloud platform server due to the adoption of an NB module of a telecommunication frequency band, so that bidirectional data transmission between the street lamp controller module and the user data processor is realized.
The user data processor comprises a front server and an application server, the front server is used for receiving and storing street lamp application node data information forwarded by the third-party management server, the application server analyzes and processes the data according to a related data protocol, provides data service access service for the browsing server, and sends a control signal sent by the browsing server to the street lamp terminal to realize control and management of the street lamp. The method comprises the steps of firstly storing data of an NB-IOT platform into an internal application server, carrying out operation according to corresponding data processing requirements, pushing results to a browsing server, and providing a stable and reliable data source for the browsing server.
The browsing server is mainly connected with a system terminal of a user, can be a computer, a mobile phone APP and other human-computer interaction equipment of the user, realizes parameter query of the street lamp information through a friendly visual interface, and realizes remote control according to specific requirements.
As shown in fig. 2: the street lamp application node hardware system mainly comprises a microcontroller module, a downlink acquisition and control module, an uplink communication module, a power supply module and a memory module.
The downlink acquisition and control module is used for acquiring the states of the street lamps and the surrounding environment (including the voltage and current values, the external light intensity value, the outdoor temperature value, the information of the existence of the people flowing and the like of a single street lamp), and controlling the on and off of the street lamps according to the set requirements, wherein the contact capacity is required to be 5A, and the AC220V is required to be higher; the uplink communication module is compatible with the whole network communication network, the response time is controlled within 2s, and the pin of the microcontroller module is used for controlling the power supply of the uplink communication module; the serial port 0 of the microcontroller module performs data interaction with the uplink communication module, reads card number information of the Internet of things card circuit, and communicates with the telecommunication base station through an antenna; the power module firstly rectifies and stabilizes the input 220V alternating current through a switching power supply to provide electric energy for the system, and the power consumption of the whole machine is controlled within 2W; when the system is powered off, the last power failure information record is available; the memory module is connected with the SPI interface of the microcontroller module through the SPI bus, and can store street lamp state information for more than 30 days.
In the embodiment, on one hand, the microcontroller module is used for receiving the operation and state information collected by the street lamp, sending the processed data information to the uplink communication module and then uploading the data information to the wing cloud platform server; and on the other hand, the street lamp control command forwarded by the wing cloud platform server through the uplink communication module is received and sent to the relay output module. In this embodiment, the microcontroller module selects cotex-M0 of the meaning semiconductor as a control processing core, and the model is: STM32L051, ARM32 bit Cortex kernel, maximum operating frequency 32MHz, the biggest FLASH of 64KB, 8KB SRAM memory, the inside 25MHz crystal oscillator that can match of choosing, the crystal oscillator of 32kHz in the choosing matches, the AD converter that has 1 12 bits, 2 USART interfaces and 1 UART interface.
In this embodiment, the downlink acquisition and control module includes a voltage and current detection module, a light intensity sensor detection module, a temperature sensor detection module, a camera module, and a relay output module, where the voltage and current detection module, the light intensity sensor detection module, the temperature sensor detection module, and the camera module are signal input modules, and the relay output module is a signal output module. The voltage and current detection module is mainly used for collecting a voltage value and a current value in a street lamp loop, inputting the result into the microcontroller module, calculating power, and storing data into the memory module as a basis for reliable operation of the street lamp; the light intensity sensor detection module is used for detecting outdoor weather conditions and determining whether to turn on a street lamp switch or not by comparing detection data with a given value; the temperature sensor detection module is used for detecting the external temperature condition; the camera module is mainly used for detecting whether people and vehicles pass around the street lamp or not, and inputting the data into the microcontroller module so as to adjust the brightness of the street lamp. The camera module can provide options for monitoring and analyzing road flow in real time, controls the brightness of the street lamp in real time according to the flow of pedestrians and vehicles, and can solve the problem that when street personnel are rare, unnecessary breviscapine is turned off, and energy is saved better.
And the relay output module is used for controlling the on and off of the single street lamp, so that the purpose of saving energy can be realized. In order to meet the requirement that the contact capacity is 5A, more than AC220V can be normally opened and closed, an ohm dragon relay is selected, the model is G5RL-1A-E, the actual electric shock capacity is 16A, and AC250V is adopted. The control mode can realize overall arrangement, refined management and control and reasonable utilization of city electric energy according to the on-site requirements; through the personalized control strategy, for example, in a certain road section, all street lamps are turned on before 10 o 'clock in the evening, a single lamp post is turned off after 10 o' clock to 12 o 'clock, all lamp posts on a certain side are turned off after 0 o' clock, according to the control strategy, conservative estimation can be carried out, and each lamp can be saved by 40% on average in comparison with long-term power supply.
In addition, the downlink acquisition and control module can also comprise an anti-inclination detection module, a street lamp voice alarm module and an electric leakage alarm module. The anti-tilt detection module and the electric leakage alarm module are signal input modules, and the street lamp voice alarm module is a signal output module.
The anti-inclination detection module is used for preventing the street lamp from being knocked down or inclined, sending a detection signal to the NB-IOT platform through the microcontroller module, sending information to a mobile phone of street lamp maintenance personnel, and reminding the road administration personnel of timely maintenance. The street lamp voice alarm module is used for reminding pedestrians to pay attention to safety in time and pass through slowly according to the people flow information detected by the camera module; and in the rain water channel section, the pedestrian is reminded to go round the way according to the detection signal of the camera, so that electric shock and personal casualty accidents are avoided. The leakage warning module is used for detecting whether the street lamp leaks electricity or not, and if the leakage warning module detects the leakage electricity, the leakage warning module sends a command to the microcontroller module in time to cut off a main gate of a loop of the street lamp, so that personnel are prevented from getting an electric shock, and safety and reliability are ensured. The embodiment can solve the problem that when the street staff are rare, unnecessary breviscapine is turned off, so that the energy is saved; reminding passers-by to pay attention to safety at the road section with water; under the condition of electric leakage, the main brake power supply is cut off in time, so that electric shock accidents are avoided; under the condition that the lamp pole inclines, the short message notifies maintenance personnel in time to maintain in time.
As shown in fig. 3 and 4: and the uplink communication module adopts an NB-IOT communication mode and is used for sending the street lamp illumination parameters and the environmental condition information which are collected and stored in the earlier stage to the wing cloud platform server. The remote module BC28 with a kernel is particularly adopted, the remote module BC28 has the characteristics of ultra-compactness, multiple frequency bands, high performance and low power consumption, the frequency band of the whole network communication is realized in design, three main stream operator networks of telecommunication, mobile and communication can be selected, the size of the remote module BC28 is smaller than that of the BC95 in the early stage, and the remote module BC28 has an analog-digital conversion function inside. The working voltage VCC _ NB can be used in a range of 3.1-4.2V, and a typical value is 3.6V. The module consists of a module BC28, an asynchronous receiving AND transmitting loop, an internet of things card loop (USIM series in figure 4), a power supply management AND a radio frequency communication port (RF-AND interface, antenna connection), wherein matching resistors are connected in series in the asynchronous receiving AND transmitting loop AND the internet of things card loop, so that stable data transmission is ensured.
In the embodiment, an alternating current 220V power supply input from the outside of the power supply module has two purposes, and on one hand, the power supply is input to the relay output module and is used for controlling on and off of the street lamp; and on the other hand, the power is input into a switching power supply and is used for supplying all the module electric energy of the street lamp application node. The electric energy input to the switching power supply is rectified and reduced in voltage to obtain a VDD power supply required by a coil end of the relay, and then is stabilized at 3.3V through the low-voltage stabilization integrated module to provide power for the microcontroller module and the peripheral circuit, and the output end of the low-voltage stabilization integrated module is connected with the filter capacitor and the energy storage capacitor in parallel, so that on one hand, sufficient current is provided for data communication, and on the other hand, after the external power supply is powered off, the record of the latest power off is stored.
The embodiment adopts a modular design scheme, the functional modules are independently packaged, the readability is higher, the stability is higher, a fully-sealed IP68 waterproof packaging mode is preferably adopted, and all interfaces adopt waterproof plugs. The system comprises a downlink acquisition module, a control module, a storage module, an uplink communication module and the like, and adopts an independently developed improved real-time operating system to download a compiled program into a microcontroller module through an SWD four-wire system interface. The procedure is shown in fig. 5: the relevant registers of the microcontroller module are first initialized and the pins are configured. Then, the system is connected with the NB-IOT platform through an uplink communication module, if the connection is successful, the system is calibrated, parameter configuration issued by the NB-IOT platform is received, and then data reading is carried out on a downlink acquisition module; if the connection is unsuccessful, judging whether the connection frequency is less than or equal to 3 times, if so, continuing to connect with the NB-IOT platform, and if so, copying and reading data of the downlink acquisition module; when data reading is carried out on the downlink acquisition module, when system set time is reached, whether a task needs to be processed is inquired, when the task needs to be processed, a relay is executed to control the street lamp to be turned on and off, otherwise, the reading data is stored in a memory, a timing task mark is inquired, whether an uplink sending time interval is reached is inquired, when the reading data arrives, the sending data is uploaded to an NB-IOT platform, a meter reading cycle is completed, and if the reading time interval does not arrive at the moment, the system enters a low power consumption mode. Through the communication processing mechanism, the communication success rate reaches more than 99%, and the data communication response time is less than 1 s.
As shown in fig. 6: the downlink acquisition and control module is mainly responsible for data communication between the microcontroller module and street lamp parameters (street lamp loop voltage and current detection) and environmental parameters (light intensity sensor detection, temperature sensor detection and camera module output sampling), is connected in a serial port bus mode, firstly initializes the module, reads information such as street lamp loop voltage and current values, light intensity sensor values, temperature sensor values and camera module values, stores the data in an external FLASH memory, inquires whether a relay action condition is met, and drives the relay to act to control the on and off of the street lamp when the condition is found to be met.
In this embodiment, the uplink communication module adopts a half-duplex design, and changes the transmission and reception modes by switching. After the BC28 module is powered on, the initialization stage is started, the AT command is used for monitoring the initialization of the module, and whether the module is ready is judged, wherein the monitoring comprises the steps of checking parameter information such as a module number, a network card number and signal strength, framing is carried out according to the module requirement, and uploading and issuing of data are completed. After data transmission is completed, the module enters a low power consumption mode, and the power supply of the module is disconnected through the microcontroller module, so that the module is in a hardware disconnection state, the power consumption of the whole controller module is the lowest, and reference can be specifically made to a control flow chart 5.
In this embodiment, the browsing server is a management system displayed on a system terminal, such as a computer of a client of a management department; the street lamp remote management system mainly comprises four parts, namely equipment management, strategy management, map management and area management, and realizes remote management of single street lamps and combined street lamps by browsing the interface management of a server, can read the state information of the current street lamps at any time, know the running state of the street lamps on site in real time and remotely control the street lamps.
The equipment management can be used for adding new street lamp equipment, and information such as a street lamp IMEI number, a street lamp table number, a street lamp name and the like needs to be set; the policy management is used for setting the combined setting mode of on and off of the street lamps, such as single row lamp on setting, single number lamp on setting and the like; the map management is used for checking the specific position of the street lamp, accurately positioning the information of the failed street lamp, and sending the failed street lamp to the mobile phone of a maintenance worker nearest to the failed street lamp in a mobile phone short message mode in an on-line order sending mode so as to realize the management of the maintenance worker; the regional management is used for managing across regions and across provinces, and the intelligent dynamic monitoring and fault analysis functions of the single street lamp are realized by adopting a big data analysis method based on a China telecom wing cloud platform.
The utility model discloses a street lamp controlgear tests in a certain highway section in Changde city in Hunan province, and continuous operation has surpassed 6 months. The street lamp control system uploads the data information to a background data center of a management department by collecting street lamp state information such as brightness, temperature, voltage, current, power and the like of a single street lamp, receives corresponding command information of the management department and transmits the command information back to a microcontroller module of the street lamp, and executes corresponding street lamp opening and closing actions.
The street lamp control system has good overall operation and accurate and reliable data acquisition, and greatly improves the intelligent level of management departments. Fig. 7 is a view for viewing status information of a single street lamp on site through an OA interface. The IMEI number of the street lamp is a module number and is also a number of the microcontroller module; the street lamp number is a field street lamp sequence number, the name of the street lamp is the name of a road where the street lamp is located, the number of lamp beads is the number of lamps of each lamp post, and the power and the voltage are actually acquired field parameters. In the state information, the street lamps are in fault during processing, the street lamps are in a closed state when the street lamps are closed, the street lamps are in an open state when the street lamps are opened, the street lamps are tracked and confirmed by 100 lamps of field personnel, except one street lamp responds by additional reading, the state information of other reading returns is consistent with the actual state of the street lamps on the field, and the response time is finished within 1 s. The automatic light-on time and the automatic light-off time are default setting values, and when the value is not available, the lamp is adjusted to the manual state. The manual lamp turning-on and lamp turning-off commands are forced lamp turning-on and lamp turning-off commands, are not influenced by default settings, and must be manually restored, and are mainly used for standby when emergency needs are needed on site. The automatic mode is recovered to be switched from the manual mode to the automatic mode; the setting button is used for resetting the automatic light-on and light-off time.
The intelligent street lamp control system is designed by adopting a narrow-band communication intelligent street lamp control system through experimental verification and field application results, the running state of the street lamp is monitored on line, the on-off control of a single street lamp is carried out through a background browsing server management system, and the purpose of remotely controlling the street lamp is achieved. The street lamp control system has good overall operation and accurate data acquisition, provides a powerful data basis for the management department to carry out later-stage power saving and optimized power supply, and provides favorable guarantee for street lamp energy-saving control and management.
In summary, in the embodiment, a system overall framework in which an intentional semiconductor STM32 chip is used as a micro-control core, a narrowband communication technology is used as a transmission mode, and an aerial cloud platform is used as a support is adopted, so that information interaction among a street lamp controller, the cloud platform and a background service terminal is realized. The test and application results show that the communication success rate reaches more than 99% in the places covered by the wireless network base station, the data communication response time is less than 1s, the control system is stable and reliable, and the street lamp energy-saving control and management are favorably guaranteed.
Claims (10)
1. A narrow-band communication intelligent street lamp control system is characterized by comprising a street lamp application node, an NB-IOT platform, a user data processor and a system terminal; the street lamp application node comprises a microcontroller module, and a downlink acquisition and control module, an uplink communication module and a memory module which are respectively and electrically connected with the microcontroller module; the microcontroller module is electrically connected with an NB-IOT platform through an uplink communication module, and the NB-IOT platform is electrically connected with a user data processor; and the user data processor is electrically connected with the system terminal.
2. The narrow-band communication intelligent street lamp control system according to claim 1, wherein the downlink acquisition and control module comprises at least one of the following modules: the device comprises a voltage and current detection module, a light intensity sensor detection module, a temperature sensor detection module, a camera module, an anti-inclination detection module, a street lamp voice alarm module and an electric leakage alarm module; the voltage and current detection module, the light intensity sensor detection module, the temperature sensor detection module, the camera module, the anti-inclination detection module and the electric leakage alarm module are respectively connected with the input end of the microcontroller module; the street lamp voice alarm module is connected with the output end of the microcontroller module.
3. The narrow-band communication intelligent street lamp control system as claimed in claim 1, wherein the downlink acquisition and control module further comprises a relay output module, and the relay output module is connected with an output end of the microcontroller module.
4. The narrow-band communication intelligent street lamp control system according to claim 1, 2 or 3, wherein the NB-IOT platform comprises a base station and a third party management server; and the street lamp application node performs bidirectional data transparent transmission with the user data processor through the base station and the third-party management server.
5. The narrow-band communication intelligent street lamp control system as claimed in claim 4, wherein the user data processor comprises a front server and an application server, the front server is electrically connected with a third party management server, and the application server is electrically connected with a system terminal.
6. The narrow-band communication intelligent street lamp control system according to claim 1, 2 or 3, wherein the uplink communication module comprises a full-network communication module chip, and a power control circuit, an internet of things card loop, an asynchronous transceiving loop and an antenna which are connected with the full-network communication module chip.
7. The narrow-band communication intelligent street lamp control system as claimed in claim 6, wherein the microcontroller module is connected with a power supply end of the communication module; the serial port of the microcontroller module and the uplink communication module perform data interaction; and the uplink communication module is communicated with a base station of the NB-IOT platform through an antenna.
8. The narrow-band communication intelligent street lamp control system as claimed in claim 1, 2 or 3, wherein the memory module is connected with the SPI interface of the microcontroller module through an SPI bus.
9. The narrow-band communication intelligent street lamp control system as claimed in claim 1, 2 or 3, wherein the microcontroller module adopts STM32 chip.
10. The narrow-band communication intelligent street lamp control system as claimed in claim 4, wherein the third party management server is an aerial cloud platform server.
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| CN114641115A (en) * | 2020-12-15 | 2022-06-17 | 深圳市奥拓电子股份有限公司 | Large-scale intelligent lamp pole control method, device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114641115A (en) * | 2020-12-15 | 2022-06-17 | 深圳市奥拓电子股份有限公司 | Large-scale intelligent lamp pole control method, device and system |
| CN114641115B (en) * | 2020-12-15 | 2023-12-26 | 深圳市奥拓电子股份有限公司 | Large-scale intelligent lamp post control method, device and system |
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