WO2020015028A1

WO2020015028A1 - Gps synchronous controller

Info

Publication number: WO2020015028A1
Application number: PCT/CN2018/099434
Authority: WO
Inventors: 陈根海
Original assignee: 江苏飞天照明有限公司
Priority date: 2018-07-17
Filing date: 2018-08-08
Publication date: 2020-01-23
Also published as: CN108924999A

Abstract

A GPS synchronous controller, comprising a master control MCU, a GPS module, and a power supply module. The power supply module comprises a power supply input circuit, a power supply conversion circuit, and a power supply output circuit; the power supply input circuit is connected to the power supply conversion circuit; the power supply conversion circuit is connected to the master control MCU and the GPS module, separately; the GPS module is connected to the master control MCU; the master control MCU is connected to the power supply output circuit; the power supply conversion circuit is used for converting a power supply voltage of the power supply input circuit into an operation voltage of the master control MCU and the GPS module. The GPS module is built in the GPS synchronous controller for receiving, by means of an antenna, a GPS time signal sent by a GPS satellite, and transmitting the GPS time signal to the master control MCU; the master control MCU reads the time, makes a corresponding determination, and sends a corresponding instruction to an externally connected RGB lamp, thereby implementing the long-distance light synchronization function of an RGB lamp.

Description

GPS synchronization controller

Technical field

The invention relates to the technical field of lighting control, in particular to a GPS synchronization controller.

Background technique

Because LED diodes have the characteristics of low power consumption, long service life, and good stability of the light intensity of the light source, LED lighting and lighting products and very common applications in various use environments also have different needs and research and development in the process of application space. For example, in an LED lamp or lighting product, the mode of different light changes can be adjusted, and the mode of synchronous lighting change control of the LED lamp or lighting product can be achieved under different environments.

The existing LED lighting mode is relatively simple, one is that pure color lamps cannot change colors and have no control function; the other is that the lamp is externally connected to a single controller, and the user provides manual single control, which has limitations in use.

Summary of the invention

The purpose of the present invention is to provide a GPS synchronization controller to solve the technical problems of incapability of synchronization of lamps and lighting control between different locations or distances.

To achieve the above objective, the technical solution of the present invention is as follows:

A GPS synchronization controller includes a main control MCU, a GPS module, and a power module. The power module includes a power input circuit, a power conversion circuit, and a power output circuit. The power input circuit is connected to the power conversion circuit, and the power conversion circuit is connected respectively. Main control MCU and GPS module. The GPS module is connected to the main control MCU and the main control MCU is connected to the power output circuit. The power conversion circuit is used to convert the power supply voltage of the power input circuit into the working voltage of the main control MCU and the GPS module.

In the above solution, the power module further includes a constant voltage control circuit. The constant voltage control circuit is connected between the power input circuit and the power conversion circuit. The constant voltage control circuit includes a constant voltage control chip U1, a capacitor C3, a resistor R3, The resistor R4, the diode D1, the diode D2 and the I-shaped inductor L1 are composed. The DC terminal 4 of the rectifier bridge BR1 is connected to the pin 1 of the constant voltage control chip U1, one end of the capacitor C3 is connected to the pin 4 of the constant voltage control chip U1, and the other end Connect pin 7 and pin 8 of the constant voltage control chip U1 output. One end of resistor R4 and resistor R3 is connected to pin 3 of constant voltage control chip U1. The other end of resistor R3 is connected to the input end of I-shaped inductor L1, and resistor R4. The other end is connected to the anode of diode D1. The anode of diode D1 is connected to the output of I-shaped inductor L1. The input of I-shaped inductor L1 is connected to

pins

7 and 8 of the constant-voltage control chip U1. The anode of diode D2 is connected to constant. The voltage control chip U1 outputs

pins

7 and 8 and the anode of the diode D2 is grounded.

In the above solution, the GPS module is a GPS-ADGM 332D chip, and the input terminal pin 23 of the GPS-ADGM 332D chip is connected to a power conversion circuit for connecting to a 3.3V power supply. The GPS-ADGM 332D chip pin 11 is connected to a Zener diode. Connect the antenna after DZ2.

In the above scheme, the main control MCU is STC8F2K08S2-16Pin chip, STC8F2K08S2-16Pin chip input terminal pin 6 is connected to the power conversion circuit for connecting to 3.3V power, STC8F2K08S2-16Pin chip pin 1 is connected to GPS-ADGM chip 332D Pin 20 of the STC8F2K08S2-16Pin chip is connected to pin 21 of the GPS-ADGM 332D chip, and pin 16 of the STC8F2K08S2-16Pin chip output terminal is connected to the power output circuit.

In the above solution, the power input circuit includes a fuse F1, a capacitor C1, a resistor R1, a resistor R2, a resistor R7, a resistor R8, a resistor R9, a zener diode DZ1, and a rectifier bridge BR1. A power source 220ViL is connected to one end of the fuse F1 and the fuse F1. The other end is connected to one end of capacitor C1, and the power source 220ViN is connected to the other end of capacitor C1. Resistors R1 and R2 are connected in series with capacitor C1 and both ends of AC terminal 1 and AC terminal 2 of the finishing bridge BR1. The output voltage of the terminal 4 is 311V, and the DC terminal 3 of the rectifier bridge BR1 is grounded.

In the above solution, the power conversion circuit includes an electrolytic capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a resistor R6, and a three-terminal low-power regulator U5. The output terminals of the I-shaped inductor L1 are respectively connected to the resistor R5. Electrolytic capacitor C4, capacitor C5 and one end of resistor R6, the other end of resistor R6 is connected to input terminal 2 of three-terminal low-power regulator U5, and output terminal 3 of three-terminal low-power regulator U5 is connected to capacitor C6 and capacitor C7, respectively One end of resistor R5, electrolytic capacitor C4, capacitor C5, capacitor C6, capacitor C7, and the other end of capacitor C7 and ground terminal 1 of three-terminal low-power regulator U5 are grounded. The output voltage of the terminal of capacitor C5 is 12V, and the terminal of capacitor C7 is The output voltage is 3.3V.

In the above solution, the power output circuit is composed of a transistor TR1, a field effect transistor Q1, a resistor R10, a resistor R11, a resistor R12, and a resistor R13. The base of the transistor TR1 is connected to one end of the resistor R10, and the other end of the resistor R10 is connected to STC8F2K08S2- Pin 16 of the 16Pin chip, the emitter of transistor TR1 is grounded, the collector of transistor TR1 is connected to one end of resistor R11 and resistor R12, the other end of resistor R11 is connected to the power supply terminal of the power conversion circuit 12V, and the other end of resistor R12 is connected to the field The gate of the MOSFET Q1 and the drain of the MOSFET Q1 are connected to one end of the resistor R13 and the power output terminal LO-, the other end of the resistor R13 is connected to the power output terminal LO +, and the source of the FET Q1 is grounded.

In the above solution, the power input circuit further includes a filter capacitor C2, the positive electrode of the filter capacitor C2 is connected to the DC terminal 4 of the rectifier bridge BR1, and the negative electrode of the filter capacitor C2 is grounded. The type of the filter capacitor is 82uF450V.

The present invention adopts the above technical scheme and has the following technical effects:

The GPS synchronization controller of the present invention has a built-in GPS module, and receives GPS time signals sent by GPS satellites through an antenna, and transmits the GPS time signals to the master MCU through the GPS module. The master MCU reads the time signals and makes corresponding judgments from time to time, and Send corresponding commands to the external RGB lights, so as to achieve the light synchronization function of long-range RGB lights.

The power module of the present invention is provided with a constant voltage control circuit, and has multiple protection functions such as self-recovery output opening and short circuit, which can effectively improve the reliability of the circuit.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is a schematic diagram of a GPS synchronization controller of the present invention;

2 is a circuit diagram of a GPS module in a GPS synchronization controller of the present invention;

3 is a circuit diagram of a main control MCU in the GPS synchronization controller of the present invention;

FIG. 4 is a circuit diagram of a power module in a GPS synchronization controller according to the present invention.

detailed description

The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings.

As shown in FIG. 1, a GPS synchronization controller includes a main control MCU, a GPS module, and a power module. The power module includes a power input circuit, a power conversion circuit, and a power output circuit. The power input circuit is connected to the power conversion circuit. The power conversion circuit is respectively connected to the main control MCU and the GPS module. The GPS module is connected to the main control MCU and the main control MCU is connected to the power output circuit. The power conversion circuit is used to convert the power supply voltage of the power input circuit into the main control MCU and the GPS module. Operating voltage.

Among them, as shown in Figures 2 and 3, the GPS module uses the GPS-ADGM 332D chip, the main control MCU uses the STC8F2K08S2-16Pin chip, and the GPS-ADGM 332D chip input terminal pin 23 and STC8F2K08S2-16Pin chip input terminal. Pin 6 is connected to the power conversion circuit of the power module. It is used to connect to a 3.3V operating voltage. Pin 11 of the GPS-ADGM chip 332D is connected to the Zener diode DZ2 and an external antenna is connected. Navigation data output pin 20 of the GPS-ADGM chip 332D is connected. STC8F2K08S2-16Pin chip serial command receiving pin 1, GPS-ADGM332D chip interactive command input pin 21 is connected to STC8F2K08S2-16Pin chip serial command sending pin 2, and STC8F2K08S2-16Pin chip output terminal pin 16 is connected to the power output circuit. The GPS module receives the GPS time signal sent by the GPS satellite through the antenna and transmits it to the main control MCU to read and make corresponding processing.

As shown in Figure 4, the power input circuit includes a fuse F1, a capacitor C1, a resistor R1, a resistor R2, a resistor R7, a resistor R8, a resistor R9, a zener diode DZ1, and a rectifier bridge BR1. The power source 220ViL is connected to the negative pole of the zener diode DZ1, respectively. 1. One end of resistor R9 and resistor R7, the other end of resistor R9 and the positive pole of zener diode DZ1, the other end of resistor R7 is connected to one end of resistor R8, the other end of resistor R8 is connected to one end of fuse F1, and the other end of fuse F1 is connected One end of capacitor C1, the input end of power source 220ViN is connected to the other end of capacitor C1, resistor R1 and resistor R2 are connected in series with capacitor C1 and both ends of AC terminal 1 and AC terminal 2 of finishing bridge BR1, and DC terminal 4 of rectifier bridge BR1 The output voltage of the terminal is 311V, and the DC terminal 3 of the rectifier bridge BR1 is grounded. The rectifier bridge converts the input AC power into DC power.

In one embodiment, the power input circuit further includes a filter capacitor C2, the positive electrode of the filter capacitor C2 is connected to the DC terminal 4 of the rectifier bridge BR1, the negative electrode of the filter capacitor C2 is grounded, and the type of the filter capacitor is 82uF450V. When the effective value of the voltage is 220V, its actual peak value is 311V. When the load suddenly decreases, the voltage will exceed 311V, but it will not exceed the voltage value of the filter capacitor C2 by 450V.

The constant voltage control circuit is connected between the power input circuit and the power conversion circuit. It consists of a constant voltage control chip U1, a capacitor C3, a resistor R3, a resistor R4, a diode D1, a diode D2, and an I-shaped inductor L1. Terminal 4 is connected to pin 1 of constant voltage control chip U1, one end of capacitor C3 is connected to pin 4 of constant voltage control chip U1, and the other end is connected to

pins

7 and 8 of output terminal of constant voltage control chip U1, resistor R4 and resistor One end of R3 is connected to pin 3 of the constant voltage control chip U1, the other end of resistor R3 is connected to the input of I-shaped inductor L1, the other end of resistor R4 is connected to the negative of diode D1, and the positive end of diode D1 is connected to the output of I-shaped inductor L1 The input end of the I-shaped inductor L1 is connected to

pins

7 and 8 of the output terminal of the constant voltage control chip U1, and the negative pole of the diode D2 is connected to

pins

7 and 8 of the output terminal of the constant voltage control chip U1, and the positive pole is grounded. Through the constant voltage control chip, it works in a fixed frequency mode and has multiple protection functions such as self-recovery output opening and shorting, which can effectively improve the reliability of the circuit.

The power conversion circuit includes an electrolytic capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a resistor R6, and a three-terminal low-power regulator U5. The output of the I-shaped inductor L1 is respectively connected to the resistor R5, the electrolytic capacitor C4, and the capacitor C5. And one end of resistor R6, the other end of resistor R6 is connected to input pin 2 of three-terminal low-power regulator U5, and output pin 3 of three-terminal low-power regulator U5 is connected to capacitor C6 and capacitor C7, resistor R5, electrolytic capacitor The other end of C4, capacitor C5, capacitor C6, and capacitor C7 and ground pin 1 of the three-terminal low-power regulator U5 are grounded. The 311V voltage of the power input circuit is converted into a 12V voltage output and a 3.3V voltage output by a power conversion circuit. The 3.3V power voltage is used as the power input voltage of the GPS module and the main control MCU.

The power output circuit consists of transistor TR1, field effect transistor Q1, resistor R10, resistor R11, resistor R12 and resistor R13. The base of transistor TR1 is connected to resistor R10, the other end of resistor R10 is connected to pin 16 of the STC8F2K08S2-16Pin chip, and the transistor The emitter of TR1 is grounded. The collector of transistor TR1 is connected to resistor R11 and resistor R12, the other end of resistor R12 is connected to one end of resistor R6, the other end of resistor R11 is connected to the gate of field effect transistor Q1, and the drain of field effect transistor Q1. The electrodes are respectively connected to the resistor R13 and the power output terminal LO-, the other end of the resistor R13 is connected to the power output terminal LO +, and the source of the field effect transistor Q1 is grounded. Among them, the model of the transistor TR1 is SS8050, and the type of the field effect transistor Q1 is IRF740 / CMB7N60.

The GPS synchronous controller of the present invention is externally connected to AC220V-250V power supply. The power input circuit converts 220V-250V AC power into DC power through a rectifier bridge, and converts the voltage of 311V into a master control MCU and GPS module working 3.3 by a power conversion circuit. V supply voltage. The GPS module has a timing function, which can set the interval between RGB light changes. The antenna receives the time signal sent by the GPS satellite through an external antenna, and transmits the GPS time signal to the serial port of the main control MCU through the navigation data output pin of the GPS module. The command receiving pin, the main control MCU reads the time signal and makes a judgment from time to time. The lamp head of the RGB lamp is connected to the output end of the power output circuit through the connecting wire. The main control MCU sends the corresponding command to the external RGB lamp through the serial command sending pin. At the same time, the main control MCU has a storage function. The effect file of the RGB lights is stored in the software program. The RGB lights change in light according to the instructions received. Each GPS synchronization controller is strictly based on the time provided by the GPS satellites. It can control the synchronous change of all RGB lights and lights from a long distance, so it is not affected by other factors such as location or environment. The GPS synchronization controller of the present invention can automatically control the synchronous change of the RGB lights in different areas by external power supply and RGB lights. It has a clever design and simple operation, and has a very broad application prospect.

The specific embodiments described above further describe the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the protection of the present invention. The scope, any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

A GPS synchronization controller is characterized in that it includes a main control MCU, a GPS module, and a power module. The power module includes a power input circuit, a power conversion circuit, and a power output circuit. The power input circuit is connected to the power conversion circuit. The conversion circuit is respectively connected to the main control MCU and the GPS module. The GPS module is connected to the main control MCU and the main control MCU is connected to the power output circuit. The power conversion circuit is used to convert the power supply voltage of the power input circuit into the work of the main control MCU and the GPS module. Voltage.
The GPS synchronous controller according to claim 1, wherein the power module further comprises a constant voltage control circuit, the constant voltage control circuit is connected between a power input circuit and a power conversion circuit, and the constant voltage control The circuit consists of a constant voltage control chip U1, a capacitor C3, a resistor R3, a resistor R4, a diode D1, a diode D2, and an I-shaped inductor L1. The DC terminal 4 of the rectifier bridge BR1 is connected to pin 1 of the constant voltage control chip U1 and the capacitor C3. One end is connected to pin 4 of the constant voltage control chip U1, the other end is connected to pins 7 and 8 of the constant voltage control chip U1 output, and one end of the resistor R4 and resistor R3 is connected to pin 3 and resistor R3 of the constant voltage control chip U1. The other end is connected to the input of I-shaped inductor L1, the other end of resistor R4 is connected to the negative of diode D1, the positive end of diode D1 is connected to the output of I-shaped inductor L1, and the input of I-shaped inductor L1 is connected to the constant-voltage control chip U1 output Pins 7 and 8, the negative pole of diode D2 is connected to pins 7 and 8 of the output terminal of the constant voltage control chip U1, and the anode of diode D2 is grounded.
The GPS synchronization controller according to claim 1, wherein the GPS module is a GPS-ADGM 332D chip, and the input terminal pin 23 of the GPS-ADGM 332D chip is connected to a power conversion circuit for connecting to a 3.3V power supply. The GPS-ADGM 332D chip pin 11 is connected to the Zener diode DZ2 and then connected to the antenna.
The GPS synchronization controller according to claim 3, wherein the main control MCU is an STC8F2K08S2-16Pin chip, and the input terminal pin 6 of the STC8F2K08S2-16Pin chip is connected to a power conversion circuit for connecting to a 3.3V power source and STC8F2K08S2 -16Pin chip pin 1 is connected to GPS-ADGM 332D chip pin 20, STC8F2K08S2-16Pin chip pin 2 is connected to GPS-ADGM 332D chip pin 21, STC8F2K08S2-16Pin chip output terminal pin 16 is connected to the power output circuit.
The GPS synchronous controller according to claim 1, wherein the power input circuit comprises a fuse F1, a capacitor C1, a resistor R1, a resistor R2, a resistor R7, a resistor R8, a resistor R9, a Zener diode DZ1, and a rectifier bridge. BR1, power supply 220ViL is connected to one end of fuse F1, the other end of fuse F1 is connected to one end of capacitor C1, power supply 220ViN is connected to the other end of capacitor C1, and resistor R1 and resistor R2 are connected in series with capacitor C1 and AC terminal 1 of the finishing bridge BR1 and AC The two ends of the terminal 2 are connected in parallel, the output voltage value of the terminal of the DC terminal 4 of the rectifier bridge BR1 is 311V, and the DC terminal 3 of the rectifier bridge BR1 is grounded.
The GPS synchronous controller according to claim 2, wherein the power conversion circuit comprises an electrolytic capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R5, a resistor R6, and a three-terminal low-power regulator U5, The output of the I-shaped inductor L1 is connected to one end of resistor R5, one end of electrolytic capacitor C4, capacitor C5 and resistor R6, and the other end of resistor R6 is connected to input terminal 2 of three-terminal low-power regulator U5 and three-terminal low-power regulator. Output terminal 3 of U5 is connected to one end of capacitor C6 and capacitor C7 respectively. The other end of resistor R5, electrolytic capacitor C4, capacitor C5, capacitor C6, capacitor C7, and ground terminal 1 of three-terminal low-power regulator U5 are grounded, and capacitor C5 is grounded. The output voltage of the terminal of the capacitor is 12V, and the output voltage of the capacitor C7 is 3.3V.
The GPS synchronous controller according to claim 1, wherein the power output circuit comprises a transistor TR1, a field effect transistor Q1, a resistor R10, a resistor R11, a resistor R12, and a resistor R13, and a base of the transistor TR1 is connected to the resistor One end of R10, the other end of resistor R10 is connected to pin 16 of STC8F2K08S2-16Pin chip, the emitter of transistor TR1 is grounded, the collector of transistor TR1 is connected to one end of resistor R11 and resistor R12, and the other end of resistor R11 is connected to the power conversion circuit At the 12V voltage terminal, the other end of the resistor R12 is connected to the gate of the field effect transistor Q1, and the drain of the field effect transistor Q1 is connected to one end of the resistor R13 and the power output terminal LO-, and the other end of the resistor R13 is connected to the power output terminal LO +. The source of the effect transistor Q1 is grounded.
The GPS synchronous controller according to claim 5, wherein the power input circuit further comprises a filter capacitor C2, the positive electrode of the filter capacitor C2 is connected to the DC terminal 4 of the rectifier bridge BR1, and the negative electrode of the filter capacitor C2 is grounded, The type of the filter capacitor is 82uF450V.