CN219042040U - Street lamp and broadband controller - Google Patents

Abstract

The utility model discloses a street lamp and a broadband controller, which comprises a single chip microcomputer control circuit, an SWD debugging interface end, a 485 module interface end and a PWM dimming output circuit, wherein the output end of the single chip microcomputer control circuit is electrically connected with an electric energy metering circuit, the single chip microcomputer control circuit controls a power switch circuit to realize the control and control of the on-off of the street lamp, the power switch circuit and a carrier communication circuit are enabled to be transmitted to the single chip microcomputer control circuit through the connection of the 485 communication module and the single chip microcomputer control circuit, the single chip microcomputer control circuit responds to the detection dimming signal according to the detection dimming signal, meanwhile, the single chip microcomputer control circuit outputs a response signal to be transmitted to a corresponding relay driving circuit through the 485 communication module and the 485 power circuit, and finally the brightness and the lighting number of the street lamp are amplified and controlled through the PWM dimming output circuit through the output of the 485 power circuit, so that the service life of the controller can be guaranteed in the use process of licking dogs.

Description

Street lamp and broadband controller

Technical Field

The utility model belongs to the technical field of controllers, and particularly relates to a street lamp and a broadband controller.

Background

Various types of street lamp controllers are designed for realizing energy conservation and practical convenience, and the energy conservation methods of the street lamp controllers are realized by controlling the working time of the street lamp. However, some roads are far away, no pedestrians or vehicles are on the roads at all, and the street lamps of the whole roads are all on, so that the waste of electric energy is caused.

For this purpose, the streetlight controller with the bulletin number of CN103634994A comprises a singlechip circuit, an ultrasonic transmitting circuit, an ultrasonic receiving circuit, an infrared transmitting circuit, an infrared receiving circuit and a streetlight control circuit. The street lamp controller monitors whether pedestrians, vehicles and advancing directions exist on a road by using the ultrasonic sensor, and realizes communication between the two street lamp controllers by using infrared rays.

For the street lamp controller, although the front three street lamps are opened through communication between the two street lamp controllers, 4 street lamps are always kept on the road to work, so that the safety illumination distance is ensured, the safety of pedestrians and vehicles is ensured, and the following obvious defects still exist in the use process: above-mentioned controller position is through the mode of infrared individual function to perception passing vehicle and pedestrian, makes the street lamp light, and this kind of placing when passing the vehicle interval, can make the continuous start of above-mentioned controller close and control the lighting and closing of street lamp, and this kind of mode of lighting makes the controller appear short circuit or load too big and cause the damage easily to the life of controller has been reduced.

Disclosure of Invention

The utility model aims to provide a street lamp and a broadband controller so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a street lamp, broadband controller, includes singlechip control circuit, SWD debugging interface end, 485 module interface end, PWM output circuit that adjusts luminance, the output electric connection of singlechip control circuit has electric energy metering circuit, the output electric connection of singlechip control circuit has switch circuit, the relay drive connection end electric connection of singlechip control circuit has relay drive circuit, the carrier connection end electric connection of singlechip control circuit has carrier communication circuit, the power connection end electric connection of singlechip control circuit has 485 power supply circuit, the serial port connection end electric connection of singlechip control circuit has 485 communication module, the pin output electric connection pilot lamp of singlechip control circuit, SWD debugging interface end and singlechip control circuit's signal pin end electric connection, the output electric signal connection of singlechip control circuit interface end and 485 communication module, PWM adjusts luminance output circuit and singlechip control circuit's signal pin end electric connection.

The PWM dimming output circuit is provided with two groups, the signal pin ends of the two groups of PWM dimming output circuits are connected with the output signal end of the singlechip control circuit, the received lamplight control signals can be compared with the instruction signals, meanwhile, the output can output driving power to control the relay driving circuit, and the output voltage of the power switch circuit can be controlled to control the use power of the street lamp.

The relay driving circuit is provided with two groups, the pin signal ends of the relay driving circuit are connected with the signal output control end of the singlechip control circuit, so that the relay can generate constant output voltage power, the voltage power can be controlled through the singlechip control circuit and the power switch donkey, and the street lamp with larger voltage can be controlled to supply power.

The serial port signal pin end of the electric energy metering circuit is connected with the metering serial port input end of the single chip microcomputer control circuit, the metering interrupt circuit signal pin end of the single chip microcomputer control circuit is connected with the INT pin on the electric energy metering circuit, detection of the used circuit is achieved, real-time detection of voltage and current can be achieved, and therefore the problem that street lamps are burnt due to overlarge voltage or current is avoided.

The utility model has the technical effects and advantages that: the street lamp and the broadband controller are combined and arranged through a carrier communication circuit, a singlechip control circuit, a PWM dimming output circuit and an electric energy metering circuit connection group, the PWM dimming output circuit can receive instructions from the singlechip control circuit and make corresponding signal control reactions based on the carrier communication circuit, the PWM dimming output circuit enables a relay driving circuit to work to realize brightness adjustment of street lamp brightness through controlling a power switch circuit, then the electric energy metering circuit collects the working state of the street lamp and sends the street lamp to the singlechip control circuit, the singlechip control circuit controls the power switch circuit to realize control on and off of the street lamp, the connection of a 485 communication module and the singlechip control circuit can enable the singlechip control circuit to transmit the power switch circuit and the dimming signal detected by the carrier communication circuit to the singlechip control circuit according to the dimming signal detection, meanwhile, the singlechip control circuit outputs response signals to the corresponding relay driving circuit through the 485 communication module and the 485 power switch circuit, and finally the output of the 485 power circuit is amplified through the PWM output circuit to control the brightness of the street lamp and the street lamp lighting number.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a circuit diagram of an electric energy meter according to the present utility model;

FIG. 3 is a diagram of a control circuit of a singlechip according to the utility model;

FIG. 4 is a circuit diagram of a power switch of the present utility model;

FIG. 5 is a diagram of a relay driving circuit according to the present utility model;

FIG. 6 is a circuit diagram of a 485 power supply of the utility model;

FIG. 7 is a circuit diagram of a PWM dimming output of the present utility model;

fig. 8 is a circuit diagram of a 485 communication module according to the utility model.

In the figure: 1. a singlechip control circuit; 2. an electric energy metering circuit; 3. a power switching circuit; 4. a relay driving circuit; 5. a carrier communication circuit; 6. 485 power supply circuit; 7. 485 communication module; 8. an indicator light; 9. SWD debugging interface end; 10. 485 module interface end; 11. PWM dimming output circuit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the present utility model provides a technical solution: a street lamp and broadband controller comprises a single chip microcomputer control circuit 1, an SWD debugging interface end 9, a 485 module interface end 10 and a PWM dimming output circuit 11, wherein the chip model used by the single chip microcomputer control circuit 1 is a HC32L130F8UA single chip microcomputer and used for controlling the work of the street lamp to be an input voltage and detecting the voltage power of the street lamp control circuit, the output end of the single chip microcomputer control circuit 1 is electrically connected with an electric energy metering circuit 2, the chip model of the electric energy metering circuit 2 is a metering control chip of HLW8112 and used for controlling the metering of electric energy consumed by each street lamp and the function of monitoring power consumption, the serial port signal pin end of the electric energy metering circuit 2 is connected with the metering serial port input end of the single chip microcomputer control circuit 1, and the metering interrupt circuit signal pin end of the single chip microcomputer control circuit 1 is connected with an INT pin on the electric energy metering circuit 2.

The output end of the single chip microcomputer control circuit 1 is electrically connected with the power switch circuit 3, the model of the power switch circuit 3 is B1212S-2W, the effect of effectively inhibiting harmonic current noise at the power grid side can be achieved, the high-frequency PWM core is adopted, the switching frequency is about 500kHz, the power density is 5W-20W/in 3, the relay driving connection end of the single chip microcomputer control circuit 1 is electrically connected with the relay driving circuit 4, the small signal current controls devices with large current loads, the relay driving circuit 4 is provided with two groups, the pin signal ends of the two groups of relay driving circuits 4 are connected with the signal output control end of the single chip microcomputer control circuit 1, the carrier connection end of the single chip microcomputer control circuit 1 is electrically connected with the carrier communication circuit 5, and the power carrier communication circuit and the street lamp circuit can be protected when communication equipment is in short circuit.

The power supply connection end electric connection of singlechip control circuit 1 has 485 power supply circuit 6, serial port connection end electric connection of singlechip control circuit 1 has 485 communication module 7, the pin output end electric connection pilot lamp 8 of singlechip control circuit 1, SWD debugging interface end 9 and the signal pin end electric connection of singlechip control circuit 1, 485 module interface end 10 and the output electric signal connection of 485 communication module 7, PWM adjusts luminance output circuit 11 and the signal pin end electric connection of singlechip control circuit 1, PWM adjusts luminance output circuit 11 is provided with two sets of, the signal pin end of two sets of PWM adjusts luminance output circuit 11 is connected with the output signal end of singlechip control circuit 1.

Specifically, when the street lamp dimming control circuit is used, the carrier communication circuit 5, the singlechip control circuit 1, the PWM dimming output circuit 11 and the electric energy metering circuit 2 are connected in a combined mode, the PWM dimming output circuit 11 can receive instructions from the singlechip control circuit 1 and make corresponding signal control reactions based on the carrier communication circuit 5, the power supply switching circuit 3 is controlled to enable the relay driving circuit 4 to work so as to realize brightness adjustment of the street lamp brightness, then the electric energy metering circuit 2 is used for collecting the working state of the street lamp and sending the street lamp working state to the singlechip control circuit 1, the singlechip control circuit 1 is used for controlling the power supply switching circuit 3 so as to realize control of the on and off of the street lamp, the 485 communication module 7 is connected with the singlechip control circuit 1, the power supply switching circuit 3 and the carrier communication circuit 5 are used for detecting dimming signals, the singlechip control circuit 1 responds according to the detected dimming signals, meanwhile, the output response signals of the singlechip control circuit 1 are transmitted to the corresponding relay driving circuit 4 through the 485 communication module 7 and the 485 power supply circuit 6, and the output of the last through the 485 power supply circuit 6 is amplified to control the brightness of the street lamp 11.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (4)

1. The utility model provides a street lamp, broadband controller, includes singlechip control circuit (1), SWD debugging interface end (9), 485 module interface end (10), PWM output circuit (11) of adjusting luminance, its characterized in that: the utility model discloses a single chip microcomputer control circuit, including single chip microcomputer control circuit (1), output electric connection of single chip microcomputer control circuit (1) has electric energy metering circuit (2), output electric connection of single chip microcomputer control circuit (1) has switch circuit (3), relay drive connection end electric connection of single chip microcomputer control circuit (1) has relay drive circuit (4), carrier connection end electric connection of single chip microcomputer control circuit (1) has carrier communication circuit (5), the power connection end electric connection of single chip microcomputer control circuit (1) has 485 power supply circuit (6), serial port connection end electric connection of single chip microcomputer control circuit (1) has 485 communication module (7), pin output electric connection pilot lamp (8) of single chip microcomputer control circuit (1), signal pin end electric connection of SWD interface end (9) and single chip microcomputer control circuit (1), signal pin end electric connection of 485 module interface end (10) and 485 communication module (7), PWM output circuit (11) and single chip microcomputer control circuit (1).

2. A street lamp, broadband controller according to claim 1, characterized in that: the PWM dimming output circuit (11) is provided with two groups, and the signal pin ends of the two groups of PWM dimming output circuits (11) are connected with the output signal end of the singlechip control circuit (1).

3. A street lamp, broadband controller according to claim 1, characterized in that: the relay driving circuit (4) is provided with two groups, and the pin signal ends of the two groups of relay driving circuits (4) are connected with the signal output control end of the singlechip control circuit (1).

4. A street lamp, broadband controller according to claim 1, characterized in that: the serial port signal pin end of the electric energy metering circuit (2) is connected with the metering serial port input end of the single chip microcomputer control circuit (1), and the metering interrupt circuit signal pin end of the single chip microcomputer control circuit (1) is connected with the INT pin on the electric energy metering circuit (2).

Images