CN211149246U - Street lamp controller based on L ORA wireless communication technology and PWM dimming interface - Google Patents

Abstract

The utility model relates to a street lamp controller based on L ORA wireless communication technique and PWM interface of adjusting luminance, it includes core single chip module, PWM interface module, exchanges sampling module, L ORA wireless transceiver module, working power supply module and street lamp electronic ballast, wherein, core single chip module respectively with PWM interface module, exchange sampling module, L ORA wireless transceiver module and connect, working power supply module respectively with core single chip module, PWM interface module, L ORA wireless transceiver module are connected to for core single chip module, PWM interface module, L ORA wireless transceiver module connect the power supply, PWM interface module and exchange sampling module connect street lamp electronic ballast.

Description

Street lamp controller based on L ORA wireless communication technology and PWM dimming interface

Technical Field

The utility model relates to a lamps and lanterns control field, concretely relates to street lamp controller based on L ORA wireless communication technique and PWM interface of adjusting luminance.

Background

The street lamp controller is an important component of an intelligent monitoring system for urban illumination, and the traditional street lamp control mainly adopts time control and light control and basically depends on manual control. For large and medium cities, street lamps are distributed on large and small streets and are damaged occasionally, great inconvenience is brought to management and maintenance of the street lamps, and municipal administration departments are difficult to master working conditions of street lamps in jurisdictions in time, so that the traditional street lamp control and maintenance means are not suitable for the requirement of modernization any more, and the street lamp control remote monitoring system is high in design and realization automation degree, reliable in operation, high in efficiency and energy saving and is an inevitable requirement for modern development of the current cities.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the traditional street lamp control technology and providing a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface.

In order to solve the technical problem, the street lamp controller based on the L ORA wireless communication technology and the PWM dimming interface comprises a core single chip microcomputer module, a PWM interface module, an alternating current sampling module, a L ORA wireless transceiving module, a working power supply module and a street lamp electronic ballast, wherein the core single chip microcomputer module is respectively connected with the PWM interface module, the alternating current sampling module and the L ORA wireless transceiving module;

the single chip microcomputer circuit comprises an STM8S103F2 single chip microcomputer, a pull-up resistor R11, a capacitor C11 and a capacitor C12, the voltage stabilizing and rectifying circuit comprises a low-voltage-drop linear voltage stabilizer L M1117, a capacitor C13, a capacitor C14 and a capacitor C15, and the contact pin is a four-wire single-row contact pin XS 1;

the PWM interface module comprises a driving circuit and a PWM modulation circuit, wherein the driving circuit comprises a rectifier bridge D21, a three-terminal voltage regulator tube D22 and capacitors C21-C24; the PWM modulation circuit comprises resistors R21 and R22, an optocoupler controller E21 consisting of a light emitting diode and an optocoupler triode, and a PWM modulation IC;

the L ORA wireless transceiver module comprises a Y L-8000T L ORA communication IC and a peripheral circuit, wherein the peripheral circuit comprises a first pin circuit connected with a serial data sending end and a second pin circuit connected with a serial data receiving end, the first pin circuit comprises a triode Q45, a resistor R40 connected to the base end of the triode Q45, a resistor R41 connected to the collector end of the triode Q45, the second pin circuit comprises a triode Q46, a resistor R42 connected to the base end of the triode Q46, a resistor R43 connected to the transmitting end of the triode Q6, and a resistor R44 connected to the collector end of the triode Q6.

Specifically, the alternating current sampling module comprises an electric energy metering chip RN8209G, a current transformer CT31 and a voltage transformer BT 31; the current transformer CT31 is connected with an electric energy metering chip RN8209G through a current signal acquisition circuit formed by resistors R31-R34 and capacitors C31 and C32, and the voltage transformer BT31 is connected with the electric energy metering chip RN8209G through a voltage signal acquisition circuit formed by resistors R35-R39, capacitors C33 and C34.

Specifically, the alternating current sampling module further comprises an analog power supply decoupling circuit formed by capacitors C301 and C302, a pull-up resistor circuit formed by a resistor R301 and a capacitor C303, a circuit digital power supply decoupling circuit formed by capacitors C303 and C304, and a crystal oscillator circuit formed by an inverting amplifier Y301, capacitors C305 and C306 and a resistor R302.

Specifically, the working power supply module comprises transformers L S485 and 78L 05 three-terminal voltage-regulator tubes and an SIZB60 rectifier bridge, a primary winding end of the transformer L S485 is connected with a thermistor RT51 and a piezoresistor RV51, and two ends of the 78L 05 three-terminal voltage-regulator tube are respectively connected with a rectifier and filter circuit composed of a diode V51, capacitors C51 and C52 and capacitors C53 and C54.

The utility model relates to a street lamp controller based on L ORA wireless communication technology and PWM interface of adjusting luminance is except that possess simple to operate, and outside the extrusion function that can improve municipal street lamp management level such as the illumination saves electric quantity as required, still has following beneficial effect and does:

the dimming signal is sent to the street lamp electronic ballast through the PWM interface module to control the brightness of the street lamp, and the stepless dimming of the brightness of 100 percent can be realized when the street lamp is turned off;

the voltage, current, power factor and other data of the street lamp can be acquired in real time through the alternating current sampling module;

the communication with the street lamp concentrator is realized through L ORA wireless communication technology, and various control and query instructions issued by the concentrator are received and executed.

As a component of an urban illumination monitoring system, the street lamp controller based on the L ORA wireless communication technology and the PWM dimming interface can play an important role in the aspects of site construction, site maintenance, fault inquiry, intelligent management and the like of the urban illumination system.

Drawings

The following describes the street lamp controller based on L ORA wireless communication technology and PWM dimming interface further with reference to the accompanying drawings:

fig. 1 is a logic diagram of an internal structure of a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface;

FIG. 2 is a circuit diagram of a core single chip microcomputer module of a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface;

FIG. 3 is a circuit diagram of a L ORA wireless transceiver module of a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface;

FIG. 4 is an AC sampling module circuit diagram of a street lamp controller based on L ORA wireless communication technology and PWM dimming interface;

FIG. 5 is a circuit diagram of a PWM interface module of a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface;

fig. 6 is a circuit diagram of an operating power supply module of a street lamp controller based on L ORA wireless communication technology and a PWM dimming interface.

In the figure:

1-core single chip microcomputer module, 2-PWM interface module, 3-AC sampling module, 4-L ORA wireless transceiver module, and 5-working power supply module.

Detailed Description

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1 to 6, the street lamp controller based on L ORA wireless communication technology and PWM dimming interface comprises a core single chip microcomputer module 1, a PWM interface module 2, an ac sampling module 3, a L ORA wireless transceiving module 4, a working power supply module 5 and a street lamp electronic ballast 6, wherein the core single chip microcomputer module 1 is respectively connected with the PWM interface module 2, the ac sampling module 3 and the L ORA wireless transceiving module 4, the working power supply module 5 is respectively connected with the core single chip microcomputer module 1, the PWM interface module 2 and the L ORA wireless transceiving module 4 and supplies power to the core single chip microcomputer module 1, the PWM interface module 2 and the L ORA wireless transceiving module 4, and the PWM interface module 2 and the ac sampling module 3 are connected with the street lamp electronic ballast;

the core single chip microcomputer module 1 comprises a single chip microcomputer circuit, a voltage stabilizing rectification circuit and a contact pin, wherein the single chip microcomputer circuit comprises an STM8S103F2 single chip microcomputer, a pull-up resistor R11, a capacitor C11 and a capacitor C12, the voltage stabilizing rectification circuit comprises a low-voltage-drop linear voltage stabilizer L M1117, a capacitor C13, a capacitor C14 and a capacitor C15, and the contact pin is a four-wire single-row contact pin XS 1.

The PWM interface module 2 comprises a driving circuit and a PWM modulation circuit, wherein the driving circuit comprises a rectifier bridge D21, a three-terminal voltage regulator tube D22 and capacitors C21-C24; the PWM modulation circuit comprises resistors R21 and R22, an optical coupling controller E21 formed by a light emitting diode and an optical coupling triode, and a PWM modulation IC.

The L ORA wireless transceiver module 4 comprises a Y L-8000T L ORA communication IC and a peripheral circuit, the peripheral circuit comprises a first pin circuit connected with a serial data sending end and a second pin circuit connected with a serial data receiving end, the first pin circuit comprises a triode Q45, a resistor R40 connected to the base end of the triode Q45, a resistor R41 connected to the collector end of the triode Q45, the second pin circuit comprises a triode Q46, a resistor R42 connected to the base end of the triode Q46, a resistor R43 connected to the transmitting end of the triode Q6, and a resistor R44 connected to the collector end of the triode Q6.

The alternating current sampling module 3 comprises an electric energy metering chip RN8209G, a current transformer CT31 and a voltage transformer BT 31; the current transformer CT31 is connected with an electric energy metering chip RN8209G through a current signal acquisition circuit formed by resistors R31-R34 and capacitors C31 and C32, and the voltage transformer BT31 is connected with the electric energy metering chip RN8209G through a voltage signal acquisition circuit formed by resistors R35-R39, capacitors C33 and C34.

The alternating current sampling module 3 further comprises an analog power supply decoupling circuit formed by capacitors C301 and C302, a pull-up resistor circuit formed by a resistor R301 and a capacitor C301, a circuit digital power supply decoupling circuit formed by capacitors C303 and C304, and a crystal oscillator circuit formed by an inverting amplifier Y301, capacitors C305 and C306 and a resistor R302.

The working power supply module 5 comprises transformers L S485 and 78L 05 three-terminal voltage-regulator tubes and an SIZB60 rectifier bridge, wherein the primary winding end of the transformer L S485 is connected with a thermistor RT51 and a piezoresistor RV51, and two ends of each of the 78L 05 three-terminal voltage-regulator tubes are connected with a rectifier and filter circuit composed of a diode V51, capacitors C51 and C52, and capacitors C53 and C54.

The street lamp controller is communicated with the street lamp concentrator based on L ORA wireless communication technology, when receiving a control command of the street lamp concentrator, the electronic ballast is dimmed by the PWM interface module, and when receiving a state query command, the street lamp controller collects street lamp operation data in real time through the alternating current sampling module and transmits the street lamp operation data back.

The street lamp controller based on the L ORA wireless communication technology and the PWM dimming interface has the advantages that the installation is convenient, the municipal street lamp management level can be improved by lighting according to needs and saving electric quantity, the dimming function can be realized by sending dimming signals to the street lamp electronic ballast through the PWM interface module, the street lamp brightness can be controlled by the dimming signal, the lighting-off-100% brightness stepless dimming can be realized, the voltage, the current, the power factor and other data of the street lamp can be acquired in real time through the alternating current sampling module, the communication with the street lamp concentrator is realized through the L ORA wireless communication technology, and various control and query instructions sent by the concentrator are received and executed.

The foregoing embodiments are intended to illustrate that the invention may be implemented or used by those skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and therefore the invention includes, but is not limited to, the above embodiments, any methods, processes, products, etc., consistent with the principles and novel and inventive features disclosed herein, and fall within the scope of the invention.

Claims (3)

1. A street lamp controller based on L ORA wireless communication technology and a PWM dimming interface is characterized by comprising a core single chip microcomputer module (1), a PWM interface module (2), an alternating current sampling module (3), a L ORA wireless transceiving module (4), a working power supply module (5) and a street lamp electronic ballast, wherein,

the street lamp comprises a core single chip microcomputer module (1), a PWM interface module (2), an alternating current sampling module (3) and an L ORA wireless transceiving module (4), wherein the core single chip microcomputer module (1) is respectively connected with the PWM interface module (2), the L ORA wireless transceiving module (4), the working power supply module (5) is respectively connected with the core single chip microcomputer module (1), the PWM interface module (2) and the L ORA wireless transceiving module (4) and supplies power for the core single chip microcomputer module (1), the PWM interface module (2) and the L ORA wireless transceiving module (4), and the PWM interface module (2) and the alternating current sampling module (3) are connected with a street;

the core single chip microcomputer module (1) comprises a single chip microcomputer circuit, a voltage-stabilizing rectification circuit and contact pins, wherein the single chip microcomputer circuit comprises an STM8S103F2 single chip microcomputer, a pull-up resistor R11, capacitors C11 and C12, the voltage-stabilizing rectification circuit comprises a low-voltage-drop linear voltage stabilizer L M1117, capacitors C13, C14 and C15, and the contact pins are four-wire single-row contact pins XS 1;

the PWM interface module (2) comprises a driving circuit and a PWM modulation circuit, wherein the driving circuit comprises a rectifier bridge D21, a three-terminal voltage regulator tube D22 and capacitors C21-C24; the PWM modulation circuit comprises resistors R21 and R22, an optocoupler controller E21 consisting of a light emitting diode and an optocoupler triode, and a PWM modulation IC;

the L ORA wireless transceiver module (4) comprises a Y L-8000T L ORA communication IC and a peripheral circuit, the peripheral circuit comprises a first pin circuit connected with a serial data sending end and a second pin circuit connected with a serial data receiving end, the first pin circuit comprises a triode Q45, a resistor R40 connected to a base end of the triode Q45, a resistor R41 connected to a collector end of a triode Q45, the second pin circuit comprises a triode Q46, a resistor R42 connected to a base end of the triode Q46, a resistor R43 connected to a transmitting end of the triode Q6, and a resistor R44 connected to a collector end of the triode Q6.

2. The L ORA wireless communication technology and PWM dimming interface-based street lamp controller according to claim 1, wherein the AC sampling module (3) comprises an electric energy metering chip RN8209G, a current transformer CT31 and a voltage transformer BT31, the current transformer CT31 is connected with the electric energy metering chip RN8209G through a current signal acquisition circuit formed by resistors R31-R34, capacitors C31 and C32, and the voltage transformer BT31 is connected with the electric energy metering chip RN8209G through a voltage signal acquisition circuit formed by resistors R35-R39, capacitors C33 and C34.

3. The street lamp controller based on the L ORA wireless communication technology and the PWM dimming interface as claimed in claim 1, wherein the working power supply module (5) comprises transformers L S485 and 78L 05 three-terminal voltage-regulator tubes and an SIZB60 rectifier bridge, a thermistor RT51 and a piezoresistor RV51 are connected to a primary winding end of the transformer L S485, and rectifying and filtering circuits consisting of a diode V51, capacitors C51 and C52 and capacitors C53 and C54 are respectively connected to two ends of the 78L 05 three-terminal voltage-regulator tube.

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