CN216600134U

CN216600134U - Double-light-source street lamp control system

Info

Publication number: CN216600134U
Application number: CN202122910455.5U
Authority: CN
Inventors: 董兴学; 王目树; 潘为刚; 高翔; 李正磊
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-24
Anticipated expiration: 2031-11-25

Abstract

The double-light-source street lamp control system comprises a street lamp controller, a 220V alternating current power supply and a street lamp, wherein an LED cold light lamp and a LED warm light lamp are arranged on the street lamp; the street lamp controller comprises a microcontroller, a power supply module, an NB-IOT module, a temperature and humidity sensor and two paths of dimming modules, wherein the power supply module, the NB-IOT module, the temperature and humidity sensor and the two paths of dimming modules are connected with the microcontroller, the microcontroller is in remote wireless communication through the NB-IOT module and judges whether the external environment is in foggy days or not through the temperature and humidity sensor, and the microcontroller is used for controlling the on-off state and the brightness of an LED cold light lamp and an LED warm light lamp in the street lamp through the two paths of dimming modules respectively. According to the double-light-source street lamp control system, the LED cold light lamp and the LED warm light lamp in the street lamp are respectively controlled through the two paths of dimming modules, so that the LED cold light lamp or the LED warm light lamp is selectively started according to the external environment condition, and the energy-saving effect is realized to the maximum extent while the lighting requirement is met.

Description

Double-light-source street lamp control system

Technical Field

The utility model relates to a double-light-source street lamp control system, in particular to a double-light-source street lamp control system.

Background

On the premise that the requirement for energy conservation is becoming stricter, new requirements are provided for street lamps with high energy consumption for road illumination, the number of sodium lamps adopted in the existing street lamps is large, and the sodium lamps also have good penetrating power in foggy days but high energy consumption. With the increasingly perfect LED lighting technology, the energy-saving effect of an LED cold light source is optimal, but the penetration capacity of foggy days is poor, and an LED warm light source has good penetration capacity in foggy days and is suitable for foggy day lighting, but the energy consumption is higher than that of the cold light source.

Disclosure of Invention

The present invention provides a dual light source street lamp control system to overcome the above technical problems.

The double-light-source street lamp control system comprises a street lamp controller, a 220V alternating current power supply and a street lamp, wherein an LED cold light lamp and an LED warm light lamp which are respectively supplied with power are arranged on the street lamp; the method is characterized in that: the street lamp controller comprises a microcontroller, a power supply module, an NB-IOT module, a temperature and humidity sensor and two paths of dimming modules, wherein the power supply module is used for providing stable direct current voltage; the dimming module is a constant-current 0-10V dimming power supply.

According to the double-light-source street lamp control system, the microcontroller adopts a single chip microcomputer with the model number of STM32F080C8T6, the power supply module consists of a rectifying circuit, a 12V isolating circuit, a 12V-to-5V circuit and a 5V-to-3.3V circuit, the rectifying circuit is used for converting 220V alternating current into 12V direct current voltage to be output, and the 12V isolating circuit is used for isolating the input 12V power supply; the 12V to 5V circuit adopts a chip with the model number of MP2359, the 5V to 3.3V circuit adopts a chip with the model number of AMS1117, and the 12V isolation circuit adopts a chip with the model number of B1212S.

The double-light-source street lamp control system comprises two paths of dimming modules, a power supply module and a street lamp control interface, wherein the two paths of dimming modules comprise two photoelectric couplers, a 10V power supply module and a street lamp control interface, and the input ends of the two photoelectric couplers are respectively connected to the ports PA6 and PA7 of a single chip microcomputer STM32F080C8T 6; the 10V power supply module adopts a chip with the model number of HT75A0-3 and is used for converting input 12V direct current voltage into 10V voltage and outputting the voltage; the output ends of the two photoelectric couplers are connected to the 10V voltage output by the 10V power supply module through pull-up resistors, the output ends of the two photoelectric couplers respectively form control signals for controlling the LED cold light lamp and the LED warm light lamp, and the control signals are output to the street lamp through the street lamp control interface.

The double-light-source street lamp control system comprises a cloud server, wherein a microcontroller is communicated with the cloud server through an NB-IOT module to upload data and receive control signals of the cloud server, and the NB-IOT module is connected with ports PA2 and PA3 of a singlechip STM32F080C8T 6.

According to the double-light-source street lamp control system, the temperature and humidity sensor is connected with the PB7 port of the single chip microcomputer STM32F080C8T 6.

The double-light-source street lamp control system comprises a clock module and a current detection module which are both connected with a microcontroller, wherein the clock module adopts an RX8025 chip, and an SCL port and an SDA port of the RX8025 chip are respectively connected with PB8 and PB9 ports of a singlechip STM32F080C8T 6; the current detection module is used for detecting the current signal who inputs to the street lamp to judge whether there is the trouble in the street lamp, and the current detection module adopts the chip that the model is CC6902SO, and the OUT port of chip CC6902SO is connected with the PB0 port of singlechip STM32F080C8T 6.

The utility model has the beneficial effects that: the double-light-source street lamp control system comprises a microcontroller, a power supply module, an NB-IOT module, a temperature and humidity sensor and two paths of dimming modules, wherein the power supply module is connected with the microcontroller, the NB-IOT module is used for converting 220V alternating current into direct current to be supplied to the microcontroller and the modules to work, the street lamp controller is communicated with a remote cloud server through the NB-IOT module to upload and receive control instructions, external temperature and humidity information is collected through the temperature and humidity sensor to judge whether the street lamp is in foggy days, and an LED cold light lamp and an LED warm light lamp in the street lamp are respectively controlled through the two paths of dimming modules to selectively turn on the LED cold light lamp or the LED warm light lamp according to the external environment conditions so as to meet the lighting requirements and maximally realize the energy-saving effect.

Drawings

FIG. 1 is a schematic circuit diagram of a dual light source street lamp control system according to the present invention;

FIG. 2 is a circuit diagram of a microcontroller according to the present invention;

FIG. 3 is a circuit diagram of a rectifier circuit of the present invention;

FIG. 4 is a circuit diagram of a 12V to 5V circuit according to the present invention;

FIG. 5 is a circuit diagram of a 5V to 3.3V circuit according to the present invention;

FIG. 6 is a circuit diagram of a 12V isolation circuit of the present invention;

FIG. 7 is a circuit diagram of a clock module according to the present invention;

FIG. 8 is a circuit diagram of two photo-couplers in the dimming module;

fig. 9 is a circuit diagram of a 10V power module in a dimming module;

fig. 10 is a circuit diagram of a street light control interface in a dimming module;

FIG. 11 is a circuit diagram of an NB-IOT module of the present invention;

FIG. 12 is a circuit diagram of a temperature and humidity sensor according to the present invention;

FIG. 13 is a circuit diagram of a current sensing module according to the present invention;

FIG. 14 is a circuit diagram of a power down memory module of the present invention.

In the figure: 1 microcontroller, 2 power module, 3 clock module, 4 NB-IOT module, 5 current detection module, 6 temperature and humidity sensors, 7 module of adjusting luminance, 8 street lamps, 9220V alternating current power supply, 10 fall the power storage module.

Detailed Description

The utility model is further described with reference to the following figures and examples.

As shown in fig. 1, a circuit schematic diagram of a dual-light-source street lamp control system of the utility model is provided, which is composed of a 220V ac power supply 9, a street lamp 8 and a street lamp controller, wherein the 220V ac power supply 9 is a commercial power supply, one half of the street lamp 9 is an LED cold light, the other half of the street lamp is an LED warm light, the street lamp controller is composed of a microcontroller 1, and a power module 2, a clock module 3, an NB-IOT module 4, a current detection module 5, a temperature and humidity sensor 6 and two-way dimming module 7 connected with the microcontroller 1, the microcontroller 1 has functions of signal acquisition, data operation and control output, as shown in fig. 2, the circuit diagram of the microcontroller of the utility model is provided, and the microcontroller 1 adopts a single chip microcomputer with the model number of STM32F080C8T 6.

The power module 2 is composed of a rectification module, a 12V isolation module, a 12V to 5V circuit and a 5V to 3.3V circuit, as shown in fig. 3, 4, 5 and 6, circuit diagrams of a rectification circuit, a 12V to 5V circuit, a 5V to 3.3V circuit and a 12V isolation circuit in the utility model are respectively given, the rectification module is used for converting 220V alternating current into 12V direct current, and a 220V-12V chip is adopted; the 12V to 5V circuit is composed of a chip with the model number of MP2359, the 5V to 3.3V circuit is composed of a chip with the model number of AMS1117, and the 12V isolation circuit is composed of a chip with the model number of B1212S.

As shown in fig. 7, a circuit diagram of the clock module of the present invention is shown, which uses a chip with model number RX8025T, the clock module provides accurate date and time point for the street lamp controller, the controller with accurate time point can set different on/off times in different seasons, and the intelligent street lamp management data platform can set the on/off times at the same time.

As shown in fig. 8, a circuit diagram of two photo couplers in the dimming module is given, fig. 9 is a circuit diagram of a 10V power module in the dimming module, and fig. 10 is a circuit diagram of a street lamp control interface in the dimming module; the dimming module adopts a constant-current 0-10V dimming power supply, and the 0-10V dimming is analog signal dimming, and the output current of the power supply is changed and the light is adjusted through the voltage change of 0-10V, for example: when the 0-10V dimmer is adjusted to 0V, the current is reduced to 0, the brightness of the lamp is in an off state (with a switch function), when the 0-10V dimmer is adjusted to 10V, the output current reaches 100% of the output of the power supply, and the brightness also reaches 100% (the output voltage is unchanged). The brightness of the cold and warm light is respectively controlled by two dimming power supplies.

The two paths of dimming modules are composed of two photoelectric couplers, a 10V power supply module and a street lamp control interface, wherein the input ends of the two photoelectric couplers are respectively connected to ports PA6 and PA7 of a single chip microcomputer STM32F080C8T 6; the 10V power supply module adopts a chip with the model number of HT75A0-3 and is used for converting input 12V direct current voltage into 10V voltage and outputting the voltage; the output ends of the two photoelectric couplers are connected to the 10V voltage output by the 10V power supply module through pull-up resistors, the output ends of the two photoelectric couplers respectively form control signals for controlling the LED cold light lamp and the LED warm light lamp, and the control signals are output to the street lamp through the street lamp control interface.

As shown in fig. 11, a circuit diagram of the NB-IOT module of the present invention is shown, the microcontroller 1 communicates with the cloud server through the NB-IOT module 4 to upload data and receive control signals of the cloud server, and the NB-IOT module 4 is connected to PA2 and PA3 ports of the single chip microcomputer STM32F080C8T 6. The microcontroller 1 can realize information interaction with the intelligent street lamp data management cloud platform through the NB-IOT module 4, can also send street lamp state information to the management platform through the NB-IOT module 4, and can also receive instruction information sent by the management platform.

As shown in fig. 12, a circuit diagram of the temperature and humidity sensor is shown, the temperature and humidity sensor 6 is connected with an IO pin of an STM32 single chip microcomputer, the temperature and humidity sensor 6 transmits collected temperature and humidity information to the street lamp controller in a form of digital signals, and the street lamp controller judges whether the street lamp is in a foggy day according to the temperature and humidity information, so that the temperature and humidity of the street lamp are controlled according to a foggy day control rule, and the street lamp can provide effective illumination in the foggy day.

As shown in fig. 13, which shows a circuit diagram of the current detection module of the present invention, the microcontroller 1 detects the current in the power supply loop of the street lamp 8 through the current detection module 5, so as to detect whether the street lamp is in fault. As shown in fig. 14, a circuit diagram of the power-down storage module 10 according to the present invention is shown, and the power-down storage module 10 is used for storing the device ID of the intelligent street lamp device and the set street lamp on/off time, so as to prevent the parameter loss caused by the street lamp failure power-off.

Claims

1. A double-light-source street lamp control system comprises a street lamp controller, a 220V alternating current power supply (9) and a street lamp (8), wherein an LED cold light lamp and an LED warm light lamp which are respectively supplied with power are arranged on the street lamp; the method is characterized in that: the street lamp controller comprises a microcontroller (1), and a power module (2), an NB-IOT module (4), a temperature and humidity sensor (6) and two paths of dimming modules which are connected with the microcontroller, wherein the power module is used for providing stable direct current voltage, the microcontroller is in remote wireless communication through the NB-IOT module, the temperature and humidity sensor is used for judging whether the external environment is in foggy days, and the microcontroller is used for controlling the on-off state and the brightness of an LED cold light lamp and an LED warm light lamp in the street lamp through the two paths of dimming modules; the dimming module is a constant-current 0-10V dimming power supply.

2. The dual light source street lamp control system of claim 1 wherein: the microcontroller (1) adopts a single chip microcomputer with the model number of STM32F080C8T6, the power supply module (2) consists of a rectifying circuit, a 12V isolating circuit, a 12V-to-5V circuit and a 5V-to-3.3V circuit, the rectifying circuit is used for converting 220V alternating current into 12V direct current voltage for output, and the 12V isolating circuit is used for isolating the input 12V power supply; the 12V to 5V circuit adopts a chip with the model number of MP2359, the 5V to 3.3V circuit adopts a chip with the model number of AMS1117, and the 12V isolation circuit adopts a chip with the model number of B1212S.

3. The dual light source street lamp control system as claimed in claim 2, wherein: the two paths of dimming modules consist of two photoelectric couplers, a 10V power supply module and a street lamp control interface, wherein the input ends of the two photoelectric couplers are respectively connected to ports PA6 and PA7 of a singlechip STM32F080C8T 6; the 10V power supply module adopts a chip with the model of HT75A0-3 and is used for converting the input 12V direct current voltage into 10V voltage and outputting the voltage; the output ends of the two photoelectric couplers are connected to the 10V voltage output by the 10V power supply module through pull-up resistors, the output ends of the two photoelectric couplers respectively form control signals for controlling the LED cold light lamp and the LED warm light lamp, and the control signals are output to a street lamp (8) through a street lamp control interface.

4. The dual light source street lamp control system as claimed in claim 2, wherein: the system comprises a cloud server, a microcontroller (1) is communicated with the cloud server through an NB-IOT module (4) to achieve data uploading and receive control signals of the cloud server, and the NB-IOT module is connected with PA2 and PA3 ports of a single chip microcomputer STM32F080C8T 6.

5. The dual light source street lamp control system as claimed in claim 2, wherein: and the temperature and humidity sensor (6) is connected with a PB7 port of the single chip microcomputer STM32F080C8T 6.

6. The dual light source street lamp control system as claimed in claim 2, wherein: the system comprises a clock module (3) and a current detection module (5) which are both connected with a microcontroller (1), wherein the clock module adopts an RX8025 chip, and an SCL port and an SDA port of the RX8025 chip are respectively connected with PB8 and PB9 ports of a singlechip STM32F080C8T 6; the current detection module is used for detecting the current signal who inputs to street lamp (8) to judge whether there is the trouble in the street lamp, and the current detection module adopts the chip that the model is CC6902SO, and the OUT port of chip CC6902SO is connected with the PB0 port of singlechip STM32F080C8T 6.