CN210807713U

CN210807713U - Universal AC light-regulating controller

Info

Publication number: CN210807713U
Application number: CN201921922913.3U
Authority: CN
Inventors: 刘志勇; 欧阳群军
Original assignee: Shenzhen Trigger Digital Technology Co ltd
Current assignee: Shenzhen Trigger Digital Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-19
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses an exchange general purpose dimming controller, including control module, control module has DMX512 SG through RS485 interface electric connection, control module electric connection has constant voltage power supply and power management circuit, power management circuit electric connection has input power, electric connection has MOS pipe 1 on the control module, electric connection has overcurrent detection circuit 1 on MOS pipe 1, current detection circuit 1 electric connection is on the control module, electric connection has MOS pipe 2 on the control module, electric connection has overcurrent detection circuit 2 on MOS pipe 2, overcurrent detection circuit 2 electric connection is on the control module; the utility model realizes the supporting and using of DMX512 protocol through RS485 interface, and realizes the remote control management operation of light; and an over-current detection circuit is arranged on the MOS tube of the lamp, so that the over-current protection effect is realized, and the circuit is prevented from being damaged due to current overload.

Description

Universal AC light-regulating controller

Technical Field

The utility model relates to a dimming controller technical field specifically is an exchange general purpose dimming controller.

Background

The dimming controller is used for controlling and adjusting the lamp, but the existing light controller generally has the advantages that remote control cannot be realized, and the lamp can be adjusted and controlled only by controlling the switch, namely, the brightness of the lamp or the brightness of the light can be adjusted only by the switch, so that the structure of the switch is very complex and the number of keys is large; the existing controllers are not provided with overcurrent detection protection devices, so that the controller is easy to generate overcurrent damage when in use; thus, an ac universal dimmer control is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exchange general purpose dimming controller has advantages such as remote protocol control and overcurrent protection for solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an alternating current universal dimming controller comprises a control module, wherein the control module adopts an STM32F030K6T6 microcontroller, the control module is electrically connected with an RS485 interface, the RS485 interface is electrically connected with DMX512 SG, the control module is electrically connected with a stabilized voltage power supply, the stabilized voltage power supply is electrically connected with a power supply management circuit, the power supply management circuit is electrically connected with an input power supply, the control module is electrically connected with a display screen, the control module is electrically connected with a control button, the control module is electrically connected with an MOS tube 1, the MOS tube 1 is electrically connected with an over-current detection circuit 1, the over-current detection circuit 1 is electrically connected with the control module, the control module is electrically connected with an MOS tube 2, the MOS tube 2 is electrically connected with an over-current detection circuit 2, and the over-current detection circuit 2 is electrically connected with the control module, and the MOS tube 1 and the MOS tube 2 are electrically connected with a lamp interface.

Preferably, the regulated power supply comprises a regulated power supply 5V and a regulated power supply 3.3V.

Preferably, the voltage-stabilizing power supply is electrically connected with a bridge circuit, a voltage reduction circuit and a voltage-stabilizing chip.

Preferably, an 75176B communication chip is electrically connected to the DMX512 SG.

Preferably, a bridge circuit and an optical coupler CT357 are electrically connected to the MOS transistor 1 and the MOS transistor 2.

Preferably, the over-current detection circuit is electrically connected with two operational amplifiers LM358 and an optical coupler CT 357.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes the supporting and using of DMX512 protocol through RS485 interface, and realizes the remote control management operation of light; and the MOS tube of the lamp is provided with an overcurrent detection circuit, so that the overcurrent protection effect of the lamp in use is realized, and the circuit is prevented from being damaged due to current overload.

Drawings

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a power circuit diagram of the present invention;

fig. 3 is a circuit diagram of the DMX512 signal communication driving circuit of the present invention;

fig. 4 is a circuit diagram of the MOSFET transistor driving circuit of the present invention;

fig. 5 shows the load overcurrent detection protection circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like, may be used solely for convenience in reference to the figures and to aid in describing the invention, and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: an AC universal dimming controller comprises a control module;

according to fig. 1, in order to realize the control to the system for the control module adopts the STM32F030K6T6 microcontroller, and STM32F103C8T6 microcontroller chip electrically connected has the PWM circuit, bus width: 32-bit, speed: 72MHz, peripheral: DMA, motor control PWM, temperature sensor, input/output number: 37, program memory capacity: 64KB (64Kx8), program memory type: FLASH, RAM capacity: 20Kx8, voltage-supply (Vcc/Vdd): 2V-3.6V, data converter: a/D10x12b, oscillator type: inside, in order to realize the transmission connection of communication information, an RS485 interface is electrically connected with a control module, a DMX512 SG is electrically connected with the RS485 interface, in order to realize the voltage control of the system, a stabilized voltage power supply is electrically connected with the control module, a power supply management circuit is electrically connected with the stabilized voltage power supply, an input power supply is electrically connected with the power supply management circuit, in order to conveniently observe parameters, a display screen is electrically connected with the control module, in order to realize the control on-off, a control button is electrically connected with the control module, in order to realize the connection of lamps and the overcurrent detection protection of circuits, an MOS tube 1 is electrically connected with the control module, an overcurrent detection circuit 1 is electrically connected with the MOS tube 1, the overcurrent detection circuit 1 is electrically connected with the control module, an MOS tube 2 is electrically connected with the control module, and the MOS tube 2 is electrically connected with the, over-current detection circuit 2 electric connection is on control module, and equal electric connection has the lamps and lanterns interface on MOS pipe 1 and the MOS pipe 2.

According to fig. 2-5, in order to adjust the power voltage and control and adjust the system conveniently, a regulated power supply 5V and a regulated power supply 3.3V are included in the regulated power supply, a bridge circuit, a step-down circuit and a regulated chip are electrically connected to the regulated power supply in order to convert ac into dc and to reduce and stabilize the voltage, an 75176B communication chip is electrically connected to the DMX512 SG in order to realize communication, a bridge circuit and an optical coupler CT357 are electrically connected to the MOS transistor 1 and the MOS transistor 2 in order to drive the lamp, and two operational amplifiers LM358 and an optical coupler CT357 are electrically connected to the overcurrent detection circuit in order to detect the current.

The working principle is as follows: realize the power supply to the system through input power 220V voltage, and realize the rectification and the steady source of step-down of voltage through power management circuit and constant voltage power supply, make the operation that entire system can be normal, then control module receives DMX 512's communication information, realize the transmission to the remote control instruction of system, make the system can realize remote control, and the system leads to control module to realize the break-make to the system, and show through the display screen at the parameter of system, and control module passes through the MOS pipe and realizes the start-up operation to lamps and lanterns, and the electric connection has the overcurrent detection circuit on the MOS pipe, the realization detects the electric current of system operation, realize the protection to the circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exchange general purpose dimming controller, includes control module, its characterized in that: the control module adopts an STM32F030K6T6 microcontroller, the control module is electrically connected with an RS485 interface, the RS485 interface is electrically connected with DMX512 SG, the control module is electrically connected with a voltage-stabilized power supply, the stabilized voltage power supply is electrically connected with a power supply management circuit which is electrically connected with an input power supply, the control module is electrically connected with a display screen, the control module is electrically connected with a control key, the control module is electrically connected with an MOS tube 1, the MOS tube 1 is electrically connected with an over-current detection circuit 1, the over-current detection circuit 1 is electrically connected to a control module, the control module is electrically connected to an MOS tube 2, MOS pipe 2 goes up electric connection and has overflows detection circuitry 2, overflow detection circuitry 2 electric connection is on control module, all electric connection has the lamps and lanterns interface on MOS pipe 1 and the MOS pipe 2.

2. An ac universal dimmer control as recited in claim 1, wherein: the stabilized voltage power supply comprises a stabilized voltage power supply 5V and a stabilized voltage power supply 3.3V.

3. An ac universal dimmer control as recited in claim 1, wherein: the voltage stabilizing power supply is electrically connected with a bridge circuit, a voltage reducing circuit and a voltage stabilizing chip.

4. An ac universal dimmer control as recited in claim 1, wherein: an 75176B communication chip is electrically connected to the DMX512 SG.

5. An ac universal dimmer control as recited in claim 1, wherein: the MOS tube 1 and the MOS tube 2 are electrically connected with a bridge circuit and an optical coupler CT 357.

6. An ac universal dimmer control as recited in claim 1, wherein: the over-current detection circuit is electrically connected with two operational amplifiers LM358 and an optical coupler CT 357.