CN218277240U

CN218277240U - Multimode communication single lamp controller

Info

Publication number: CN218277240U
Application number: CN202222658386.8U
Authority: CN
Inventors: 刘伟昆
Original assignee: Beijing Hexun Internet Technology Co ltd
Current assignee: Beijing Hexun Internet Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-10
Anticipated expiration: 2032-10-10

Abstract

The utility model provides a multimode communication list lamp controller relates to lamps and lanterns control technical field. The intelligent lighting system comprises a main control module, and a multi-mode communication module, a switch control module, a dimming module, an electricity consumption metering module and a power supply module which are connected with the main control module, wherein the switch control module and the dimming module are connected with lighting equipment. The multi-mode communication module comprises an RS485 interface submodule and a power line carrier/RF dual-mode communication submodule, the RS485 interface submodule is used for the main control module and the upper computer to realize wired communication, and the power line carrier/RF dual-mode communication submodule is used for realizing networking communication between field devices. Therefore, flexible selection can be performed according to the actual situation on site, and the stability of data transmission and the reliability of the lighting control system are ensured. In addition, the lighting equipment can be flexibly and remotely regulated and controlled through the switch control module and the dimming module, and the quality of the alternating current power supply and the power consumption condition of the lighting equipment are detected in real time through the power consumption metering module.

Description

Multimode communication single lamp controller

Technical Field

The utility model relates to a lamps and lanterns control technical field particularly, relates to a multimode communication list lamp controller.

Background

With the rapid development of the expressway and the acceleration of the urban construction in China, the tunnel illumination and the urban road illumination are rapidly increased, the number of required illumination lamps is rapidly increased, and the illumination lamps become the most main energy consumption source in the traffic field and the urban public service. In the tunnel lighting and town road lighting control system, the control system architecture can be divided into a loop control mode and a single lamp control mode.

The loop control mode is to divide the lighting devices into different groups according to functions or geographical positions, and the control device can control the power supply and adjust the brightness according to the groups. However, in this control method, a dimming control cable needs to be laid, the construction difficulty is high, and especially in a long-distance tunnel, a dimming signal is attenuated along with the length of the cable, and the brightness in the group cannot be kept consistent. In addition, the loop control mode lacks individual detection and accurate positioning of the lighting equipment, and tunnel lighting is inconvenient to maintain. The single lamp control mode, the control equipment and the lighting equipment are in one-to-one correspondence, and power supply control, brightness adjustment and state information acquisition of the single lighting equipment can be realized. Currently, the communication modes of the single lamp controllers on the market mainly include 485 communication, lora, zigbee, NB, CAT1, and the like. However, since the field conditions are different and the situation is complicated, reliable communication cannot be ensured regardless of the single communication means, and for example, in the case of a long distance, the wired communication method has a problem of signal attenuation, and thus, it is necessary to rely on a relay device. Under the condition of shielding, the wireless communication distance cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned problem or solve above-mentioned problem at least partially, the embodiment of the utility model provides a multimode communication list lamp controller can compatible multiple communication mode, realizes the nimble regulation and control to lighting apparatus to satisfy the demand in different scenes.

The embodiment of the utility model is realized like this:

the embodiment of the application provides a multimode communication single lamp controller, which comprises a main control module, and a multimode communication module, a switch control module, a dimming module, an electricity consumption metering module and a power supply module which are connected with the main control module, wherein the switch control module and the dimming module are connected with lighting equipment and are used for metering the electricity consumption;

the multi-mode communication module comprises an RS485 interface submodule and a power line carrier/RF dual-mode communication submodule, the RS485 interface submodule is used for realizing wired communication between the main control module and an upper computer, and the power line carrier/RF dual-mode communication submodule is used for realizing networking communication between field devices;

the main control module is used for generating a switching signal and a dimming instruction according to an upper computer instruction, sending the switching signal to the switching control module and sending the dimming instruction to the dimming module;

the switch control module is used for controlling the lighting equipment to be switched on/off according to the switch signal;

the dimming module is used for adjusting the brightness of the lighting equipment according to the dimming instruction;

the power consumption metering module is used for collecting power supply parameters and electric energy consumption information of the lighting equipment and sending the power supply parameters and the electric energy consumption information to the main control module for conducting abnormity analysis on the lighting equipment.

The utility model discloses an in some embodiments, above-mentioned RS485 interface submodule piece includes 485 transceiver and optoelectronic coupler, and above-mentioned 485 transceiver passes through optoelectronic coupler and above-mentioned host system's UART serial ports connection.

In some embodiments of the present invention, the switch control module includes a transistor and a relay, a base of the transistor is connected to a GPIO output port of the main control module, an emitter is grounded, and a collector is connected to a power supply through an electromagnetic coil of the relay to form a control loop; the switch contact of the relay is connected in series in a power circuit to control the on-off of the power supply for the lighting equipment.

In some embodiments of the present invention, the dimming module includes a conversion chip GP8101, a PWM pin of the conversion chip GP8101 is connected to a PWM output port of the main control module to receive a PWM signal with a specific duty ratio, and the PWM signal is converted into a voltage analog signal through an internal DAC conversion unit and is output from a VOUT pin.

In some embodiments of the present invention, the power consumption metering module is independently powered by the primary side voltage stabilizer and is connected to the SPI/GPIO port of the main control module through the signal isolator.

In some embodiments of the present invention, the power module includes an AC-DC sub-module, a DC-DC sub-module, and a primary side voltage stabilizer;

the AC-DC sub-module is used for converting 220V alternating current into 12V direct current to supply power to the switch control module, the dimming module and the dual-mode communication sub-module;

the DC-DC sub-module is used for converting the 12V direct current into 3.3V direct current to supply power for the main control module; 5V direct current is used for supplying power to the RS485 interface submodule;

the primary side voltage stabilizer is used for directly converting 220V alternating current into 3.3V direct current so as to supply power to the power consumption metering module.

The utility model discloses an in some embodiments, still include the casing, above-mentioned host system, multimode communication module, on-off control module, power consumption metering module and the power module integration and the PCB board of adjusting luminance, above-mentioned PCB board encapsulates in above-mentioned casing.

Compared with the prior art, the embodiment of the utility model has following advantage or beneficial effect at least:

the embodiment of the application provides a multimode communication single lamp controller, including host system and multimode communication module, on-off control module, the module of adjusting luminance, power consumption metering module and the power module of connecting thereof, on-off control module and the module of adjusting luminance all are connected with lighting apparatus. The multi-mode communication module comprises an RS485 interface submodule and a power line carrier/RF (radio frequency) dual-mode communication submodule, the RS485 interface submodule is used for realizing wired communication between the main control module and the upper computer, and the power line carrier/RF dual-mode communication submodule is used for realizing networking communication between field devices. Therefore, flexible selection can be performed according to the actual situation on site, and the stability of data transmission and the reliability of the lighting control system are ensured. Meanwhile, the main control module generates a switching signal and a dimming instruction according to the instruction of the upper computer, and sends the switching signal to the switching control module so as to control the on/off of the lighting equipment, and sends the dimming instruction to the dimming module, so that the brightness of the lighting equipment is adjusted, and the lighting equipment is effectively regulated and controlled. In addition, the main control module can detect the quality of the alternating current power supply and the power consumption condition of the lighting equipment in real time according to the power supply parameters and the power consumption information of the lighting equipment collected by the power consumption metering module, and can find abnormal lamps in time to guarantee the safety of the lighting system.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a block diagram of an embodiment of a multimode communication single-lamp controller according to the present invention;

fig. 2 is a schematic diagram of a framework of an embodiment of the multi-mode communication single-lamp controller of the present invention;

fig. 3 is a schematic structural diagram of an RS485 interface sub-module in an embodiment of the multi-mode communication single-lamp controller of the present invention;

fig. 4 is a schematic structural diagram of a switch control module in an embodiment of the multimode communication single-lamp controller according to the present invention;

fig. 5 is a schematic structural diagram of a dimming module in an embodiment of the multimode communication single-lamp controller according to the present invention;

fig. 6 is a schematic structural diagram of a power module in an embodiment of the multi-mode communication single-lamp controller of the present invention;

fig. 7 is a schematic diagram of an application architecture of an embodiment of the multi-mode communication single-lamp controller of the present invention.

An icon: 1. a main control module; 2. a multimode communication module; 21. an RS485 interface submodule; 22. a power line carrier/RF dual-mode communication sub-module; 3. a switch control module; 4. a dimming module; 5. an electricity consumption metering module; 6. and a power supply module.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "first", "second", "third", and the like, if appearing, are used merely for distinguishing between the descriptions and are not to be construed as indicating or implying relative importance. In addition, the term "plurality", if present, means at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

Referring to fig. 1 and 2, an embodiment of the present invention provides a multimode communication single-lamp controller, which includes a main control module 1, a multimode communication module 2 connected to the main control module 1, a switch control module 3, a dimming module 4, an electricity metering module 5, and a power module 6, where the switch control module 3 and the dimming module 4 are both connected to a lighting device;

the multi-mode communication module 2 comprises an RS485 interface submodule 21 and a power line carrier/RF dual-mode communication submodule 22, the RS485 interface submodule 21 is used for realizing wired communication between the main control module 1 and an upper computer, and the power line carrier/RF dual-mode communication submodule 22 is used for realizing networking communication between field devices;

the main control module 1 is used for generating a switching signal and a dimming instruction according to an upper computer instruction, sending the switching signal to the switching control module 3, and sending the dimming instruction to the dimming module 4;

the switch control module 3 is used for controlling the lighting equipment to be switched on/off according to the switch signal;

the dimming module 4 is configured to adjust the brightness of the lighting device according to the dimming instruction;

the electricity consumption metering module 5 is configured to collect power parameters and power consumption information of the lighting device, and send the power consumption information to the main control module 1 to perform anomaly analysis and power consumption metering of the lighting device.

In the technical solution provided by this embodiment, the single lamp controllers correspond to the lighting devices one to one. On one hand, various communication interfaces such as an RS485 communication interface, a power line carrier communication interface and an RF radio frequency communication interface are arranged on the single lamp controller, so that flexible selection can be performed according to actual conditions on site, and the stability of data transmission and the reliability of the lighting control system are ensured. For example, the communication with the upper computer can be performed through an interface via RS485, and then the networking communication of the lighting devices on site can be performed in a power line carrier or RF wireless manner. On the other hand, the main control module 1 generates a switching signal and a dimming instruction according to an upper computer instruction, outputs the switching signal through the GPIO port, and controls the on-off of an external alternating current power supply loop through a relay so as to control the on/off of the lighting equipment; and PWM signals with different duty ratios are output through the PWM port, and the lighting equipment is controlled to emit different brightness, so that the lighting equipment is flexibly and remotely regulated. In addition, power supply parameters such as current effective value, voltage effective value, active power and active electric energy of the alternating current power supply of the lighting equipment can be collected by the electricity utilization metering module 5, the real-time detection of the quality of the alternating current power supply and the electric energy consumption condition of the lighting equipment is realized, then the related data are analyzed by the main control module 1, and abnormal lamps are discovered in time, so that the safety of the lighting system is guaranteed. Furthermore, an alarm unit can be arranged, and when the lighting equipment is detected to be abnormal, the alarm unit can be used for realizing abnormal alarm. On the whole, the method and the device can be compatible with various communication modes, and flexible regulation and control of the lighting equipment are achieved to meet the requirements of different scenes.

For example, please refer to fig. 7, fig. 7 is a schematic diagram of an application architecture of an embodiment of a multimode communication single-lamp controller according to the present invention. The Node nodes refer to single-lamp controllers and lighting equipment, and the single-lamp controllers correspond to the lighting equipment one to one. The single lamp controller can be independently communicated with the integrated controller (or an upper computer) through an RS485 interface, and can also be communicated with the integrated controller through a communication network of a dual-mode hybrid networking formed by a DTU (including a dual-mode communication function). In practical use, the centralized controller can adopt an industrial-grade flat plate and is communicated with the illumination sensor, the traffic flow sensor and the like through the RS485 interface so as to collect field environment information including illumination intensity, traffic flow and other information. Then, switching on and off and brightness adjustment of the lighting equipment are carried out through a preset dimming strategy by utilizing a built-in management APP; performing multi-angle energy consumption analysis according to regularly acquired power consumption information of the lighting equipment; according to the fault information actively reported by the single-lamp controller, the fault point is accurately indicated in time by combining the equipment file information. Thereby, the information interaction of the lighting device and the centralized control device is realized.

Referring to fig. 3, in some embodiments of the present invention, the RS485 interface sub-module 21 includes a 485 transceiver and a photoelectric coupler, and the 485 transceiver is connected to the UART serial port of the main control module 1 through the photoelectric coupler.

In the technical solution provided in this embodiment, the main control chip in the main control module 1 may be an STM32F103T type single chip microcomputer. The controller is a 32-bit M3 core ARM chip, which is provided with 1 path of SPI (Serial Peripheral Interface), 2 paths of UART (universal asynchronous receiver transmitter), 1 path of PWM (pulse width modulation) and a plurality of GPIOs (general purpose ports), has a wider working temperature range, and can meet the requirements of the controller. The 485 transceiver is provided with an isolation power supply, and the 485 transceiver is isolated from the UART serial port of the main control chip through an optocoupler, so that the generation of high common-mode voltage can be effectively inhibited, the damage rate of an RS485 interface is effectively reduced, and the stability of the system is improved.

Referring to fig. 4, in some embodiments of the present invention, the switch control module 3 includes a triode and a relay, a base of the triode is connected to a GPIO output port of the main control module 1, an emitter of the triode is grounded, and a collector of the triode is connected to a power supply through an electromagnetic coil of the relay to form a control loop; the switch contact of the relay is connected in series in a power circuit to control the on-off of the power supply for the lighting equipment.

In the technical scheme provided by this embodiment, the triode and the matched resistance-capacitance element form a relay isolation driving circuit, the main control chip outputs a switch control signal through the GPIO port, and the relay controls the on/off of the external ac power supply loop, thereby realizing the on/off control of the lighting device. Furthermore, in the logic process of generating the switch control signal, a power frequency zero crossing point reference is also introduced. The power frequency zero crossing point signal of power is gathered to above-mentioned power consumption metering module 5 of accessible, then the main control chip is based on the certain time delay back of zero crossing point time stack for the relay control signal is exported to the relay actuation is in power frequency voltage zero point in the twinkling of an eye just in time and attaches, thereby reduces the damage that the inrush current caused the relay contact in the twinkling of an eye, improves control circuit's reliability.

Referring to fig. 5, in some embodiments of the present invention, the dimming module 4 includes a conversion chip GP8101, a PWM pin of the conversion chip GP8101 is connected to the PWM output port of the main control module 1 to receive a PWM signal with a specific duty ratio, and the PWM signal is converted into a voltage analog signal by an internal DAC conversion unit and is output from a VOUT pin.

In the technical solution provided in this embodiment, the main control module 1 adjusts the control voltage output to the lighting device according to the brightness instruction of the upper computer, so as to adjust the brightness of the lighting device. Specifically, the main control chip firstly passes through a formula: and VOUT =10V duty ratio, calculating the duty ratio corresponding to the output voltage, and then configuring an internal timer and a register related to a GPIO port to obtain a PWM output signal with the frequency of 1KHz and the corresponding duty ratio. Then, the voltage is input from a PWM pin of the conversion chip GP8101, and after the voltage is processed by a DAC conversion unit and related circuits in the conversion chip GP8101, a corresponding voltage control signal is output from a VOUT pin of the voltage control unit. In the embodiment, a GP8101 type conversion chip is adopted, and a voltage signal of 0-10V can be generated.

In some embodiments of the present invention, the power consumption metering module 5 is independently powered by the primary side voltage stabilizer and is connected to the SPI/GPIO port of the main control module 1 through the signal isolator.

In the technical solution provided by this embodiment, the metering chip for acquiring signals may adopt BL0942 from the berliner. The built-in clock of the chip is free from calibration, and can measure basic electrical parameters such as current effective value, voltage effective value, active power, active electric energy and the like of an alternating current power supply of the lighting equipment, and can also measure a rapid current effective value and a current voltage waveform phase angle. The current channel has the function of overcurrent monitoring, the monitoring threshold and the response time can be set according to actual needs, and the current channel can be used for acquiring a power frequency zero crossing point signal of a power supply and transmitting the power frequency zero crossing point signal to the main control module 1.

For example, the current sampling may be performed by using a series resistor with a 1% accuracy, 2520 package of 10 milliohm alloy resistance, in consideration of cost, sampling accuracy and maximum load power. The voltage sampling can adopt a resistor voltage division mode, 5 voltage reduction resistors with the precision of 1 percent are selected, 390 kiloohm resistors packaged in 0805 voltage reduction resistors are selected, and 1 percent precision, 0603 voltage sampling resistors are selected from 510 ohm resistors packaged in 0603 voltage reduction resistors. In addition, in order to ensure the EMC (electromagnetic interference resistance) performance, the power consumption metering module 5 adopts a primary side voltage stabilizer to supply power independently and is connected with the SPI/GPIO port of the main control chip through a digital isolation chip and an optical coupling isolation chip.

Referring to fig. 6, in some embodiments of the present invention, the power module 6 includes an AC-DC sub-module, a DC-DC sub-module, and a primary side voltage stabilizer;

the AC-DC sub-module is used for converting 220V alternating current into 12V direct current to supply power to the switch control module 3, the dimming module 4 and the dual-mode communication sub-module;

the DC-DC sub-module is used for converting the 12V direct current into 3.3V direct current to supply power to the main control module 1; 5V direct current is used for supplying power to the RS485 interface submodule 21;

the primary side voltage stabilizer is used for directly converting 220V alternating current into 3.3V direct current so as to supply power to the electricity consumption metering module 5.

In the technical scheme provided by the embodiment, the AC-DC sub-module converts 220V AC power into 12V DC power, and supplies power to the power line carrier/RF dual-mode communication sub-module 22, the dimming module 4 (0-10V signal generation circuit), and the relay; the 12V voltage is converted into 5V after being reduced by a DC-DC sub-module (BUCK, a BUCK conversion circuit), then the 485 receiving and transmitting chip is supplied with power by a B0505S non-stabilized isolation power supply, and the 3.3V power supply required by the main control chip is supplied with 3.3V by converting the 5V power supply into 3.3V power supply by an LDO (voltage regulator). The electricity metering chip adopts a primary side voltage stabilizer MP155 to directly convert alternating current into a 3.3V direct current power supply to be supplied to the metering chip, thereby ensuring the normal operation of a control system.

The utility model discloses an in some embodiments, still include the casing, above-mentioned host system 1, multimode communication module 2, on switch control module 3, module 4, the power consumption metering module 5 and the power module 6 integration and the PCB board of adjusting luminance, above-mentioned PCB board encapsulates in above-mentioned casing.

In the technical scheme that this embodiment provided, the device adopts the plastic-aluminum shell, and inside spraying three proofings lacquer all is suitable for indoor outdoor. The method has the advantages of easy implementation, no wiring, reliable work, easy maintenance and the like. The LED street lamp can be used in lighting control systems of street lamps, tunnels, landscapes, buildings, underground parking lots, hospitals, hotels and other scenes, the working pressure of street lamp management departments is reduced, the working efficiency is improved, and the social energy-saving benefit is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The multimode communication single-lamp controller is characterized by comprising a main control module, and a multimode communication module, a switch control module, a dimming module, an electricity consumption metering module and a power supply module which are connected with the main control module, wherein the switch control module and the dimming module are connected with lighting equipment;

the multi-mode communication module comprises an RS485 interface submodule and a power line carrier/RF (radio frequency) dual-mode communication submodule, the RS485 interface submodule is used for realizing wired communication between the main control module and an upper computer, and the power line carrier/RF dual-mode communication submodule is used for realizing networking communication between field devices;

the power consumption metering module is used for collecting power supply parameters and electric energy consumption information of the lighting equipment and sending the power supply parameters and the electric energy consumption information to the main control module to analyze abnormity of the lighting equipment and meter electric energy consumption.

2. The controller of claim 1, wherein the RS485 interface sub-module comprises a 485 transceiver and an optoelectronic coupler, and the 485 transceiver is connected to the UART serial port of the main control module through the optoelectronic coupler.

3. The multimode communication single lamp controller according to claim 1, wherein the switch control module comprises a triode and a relay, a base of the triode is connected with the GPIO output port of the main control module, an emitter of the triode is grounded, and a collector of the triode is connected with a power supply through an electromagnetic coil of the relay to form a control loop; the switch contact of the relay is connected in series in a power circuit to control the on-off of the power supply for the lighting equipment.

4. The multi-mode communication single lamp controller according to claim 1, wherein the dimming module comprises a conversion chip GP8101, a PWM pin of the conversion chip GP8101 is connected to the PWM output port of the main control module to receive a PWM signal with a specific duty ratio, and the PWM signal is converted into a voltage analog signal by an internal DAC conversion unit and output from a VOUT pin.

5. The multimode communication single lamp controller according to claim 1, wherein the electricity metering module is separately powered by a primary side voltage stabilizer and connected with the SPI/GPIO port of the main control module through a signal isolator.

6. The multimode communication single lamp controller according to claim 1, wherein the power supply module comprises an AC-DC sub-module, a DC-DC sub-module, and a primary side voltage regulator;

7. The controller of claim 1, further comprising a housing, wherein the main control module, the multi-mode communication module, the switch control module, the dimming module, the electricity metering module and the power module are integrated on a PCB board, and the PCB board is enclosed in the housing.