CN218547867U

CN218547867U - DALI (digital addressable lighting interface) dimming constant-current LED (light-emitting diode) driving power supply with address display and setting functions

Info

Publication number: CN218547867U
Application number: CN202221863729.8U
Authority: CN
Inventors: 陈贵朋
Original assignee: Guangdong Aidiming Electronics Co ltd
Current assignee: Guangdong Aidiming Electronics Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-02-28
Anticipated expiration: 2032-07-20

Abstract

The utility model belongs to the technical field of dimming circuits, in particular to a DALI dimming constant current LED driving power supply with address display and setting, wherein the input of a primary circuit of a switch power supply is connected with a mains supply, the input of the primary circuit of the switch power supply is connected with a rectification and constant voltage control feedback circuit through the matching of an optical coupler and a transformer, and the transformer is simultaneously connected with a rectification circuit; the input of the DALI interface circuit is connected with a DALI signal; the output of the DALI interface circuit is connected with the single chip microcomputer, and the single chip microcomputer is connected with the dial circuit and the display and key circuit; the input of the PWM constant-current dimming circuit is respectively connected with the rectification and constant-voltage control feedback circuit and the single chip microcomputer, and the output of the PWM constant-current dimming circuit is connected with the LED terminal row. The DALI address display machine can be modified by combining the coding switch and the display module into the dimming power supply and matching the keys with the nixie tube, so that the DALI dimming driving power supply is more convenient and practical.

Description

DALI (digital addressable lighting interface) dimming constant-current LED (light-emitting diode) driving power supply with address display and setting functions

Technical Field

The utility model belongs to the technical field of dimmer circuit, especially, relate to a DALI constant current LED drive power supply that adjusts luminance of area address demonstration and setting.

Background

The DALI is an international standard and popular light control protocol bus, adopts the digital transmission of Manchester coding, has powerful functions of integration, grouping switching and dimming, scene mode, addressing dimming and lamp state inquiry and the like, and has the characteristics of accurate dimming, addressing, stability, centralized control, convenience in installation and the like.

The existing DALI dimming power supply can only use a DALI dimming panel, a DALI dimmer or an expensive DALI system for dimming, and a DALI address needs to be modified and detected by means of an external device; the dimming accuracy cannot be intuitively observed, so that the DALI dimming constant-current LED driving power supply with address display and setting is provided.

SUMMERY OF THE UTILITY MODEL

Aiming at solving the problems of the defects and the shortcomings of the prior art; an object of the utility model is to provide a simple structure, reasonable in design, convenient to use's DALI that takes address to show and set up constant current LED drive power supply of adjusting luminance, it combines the coding switch and display module to the power of adjusting luminance in, can carry out DALI address through button cooperation charactron and show, simultaneously, still can carry out the address modification through button cooperation charactron, makes DALI adjust luminance drive power supply convenient and practical more.

In order to achieve the above object, the utility model adopts the following technical scheme: the digital display control circuit comprises a switching power supply primary circuit, a DALI interface circuit, a rectification and constant voltage control feedback circuit, a rectification circuit, a single chip microcomputer, a dial circuit, a PWM constant current dimming circuit and a display and key circuit; the input of the primary circuit of the switching power supply is connected with 220V mains supply, the input of the primary circuit of the switching power supply is connected with a rectification and constant voltage control feedback circuit through the matching of an optical coupler and a transformer, and the transformer is simultaneously connected with a rectification circuit; the input of the DALI interface circuit is connected with a DALI signal; the output of the DALI interface circuit is connected with the single chip microcomputer, and the single chip microcomputer is connected with the dial circuit and the display and key circuit; the input of the PWM constant-current dimming circuit is connected with the rectification and constant-voltage control feedback circuit and the single chip microcomputer respectively, and the output of the PWM constant-current dimming circuit is connected with the LED terminal strip.

Preferably, the rectifying circuit outputs 5V voltage to supply power for the singlechip and the display and key circuit.

Preferably, the display and key circuit consists of two groups of nixie tubes and rubber buttons, and the nixie tubes and the rubber buttons are distributed on the upper surface of the driving power supply shell.

Preferably, the dial circuit adjusts the light emitting mode through various combinations of external dial switches.

Preferably, the PWM constant-current dimming circuit is connected with a plurality of light-emitting LED lamp beads in parallel through an external terminal strip.

After the structure is adopted, the utility model discloses beneficial effect does: it combines coding switch and display module to the power of adjusting luminance in, can carry out DALI address through button cooperation charactron and show, simultaneously, whether can carry out the address modification through button cooperation charactron, makes DALI adjust luminance drive power supply convenient and practical more.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic diagram of the connection of the utility model;

fig. 3 is a schematic diagram of the connection between the primary circuit 1 of the switching power supply and the rectification and constant voltage control feedback circuit 3;

fig. 4 is a schematic diagram of the DALI interface circuit 2 of the present invention;

fig. 5 is a schematic connection diagram of the single chip microcomputer 5 of the present invention;

fig. 6 is a schematic diagram of a display and key circuit 8 of the present invention;

fig. 7 is a schematic diagram of the PWM constant current dimming circuit 7 of the present invention;

description of the reference numerals: the device comprises a switching power supply primary circuit 1, a DALI interface circuit 2, a rectification and constant voltage control feedback circuit 3, a rectification circuit 4, a singlechip 5, a dial circuit 6, a PWM constant current dimming circuit 7 and a display and key circuit 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

Referring to fig. 1 to 7, the following technical solutions are adopted in the present embodiment: the device comprises a switching power supply primary circuit 1, a DALI interface circuit 2, a rectification and constant voltage control feedback circuit 3, a rectification circuit 4, a singlechip 5, a dial circuit 6, a PWM constant current dimming circuit 7 and a display and key circuit 8; the input of the primary circuit 1 of the switching power supply is connected with 220V mains supply, the input of the primary circuit 1 of the switching power supply is connected with a rectification and constant voltage control feedback circuit 3 through the matching of an optical coupler OC and a transformer T, and the transformer T is simultaneously connected with a rectification circuit 4; the input of the DALI interface circuit 2 is connected with a DALI signal; the output of the DALI interface circuit 2 is connected with the singlechip 5, and the singlechip 5 is connected with the dial circuit 6 and the display and key circuit 8; the input of the PWM constant-current dimming circuit 7 is respectively connected with the rectification and constant-voltage control feedback circuit 3 and the single chip microcomputer 5, and the output of the PWM constant-current dimming circuit 7 is connected with the LED terminal strip.

The rectifying circuit 4 rectifies the voltage transformed by the transformer T and outputs 5V voltage to supply power to the modules such as the singlechip 5 and the display and key circuit 8.

In addition, the display and key circuit 8 consists of two groups of nixie tubes and rubber buttons, and the nixie tubes and the rubber buttons are distributed on the upper surface of the driving power supply shell; the dial circuit 6 adjusts the light-emitting mode through various combinations of external dial switches; the PWM constant-current dimming circuit 7 is connected with a plurality of luminous LED lamp beads in parallel through an external terminal strip CN 2.

The operation method of the present embodiment:

and displaying the address: the nixie tube displays DALI addresses 1-64 by pressing any key;

modifying the address: and long-pressing two keys to enter an address modification mode, clicking a modification address by the key 1 and the key 2, and storing and exiting by long-pressing two keys.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a DALI that takes address to show and set up constant current LED drive power supply that adjusts luminance which characterized in that: the device comprises a switching power supply primary circuit (1), a DALI interface circuit (2), a rectification and constant voltage control feedback circuit (3), a rectification circuit (4), a single chip microcomputer (5), a dial circuit (6), a PWM constant current dimming circuit (7) and a display and key circuit (8); the input of the primary circuit (1) of the switching power supply is connected with 220V mains supply, the input of the primary circuit (1) of the switching power supply is connected with the rectification and constant voltage control feedback circuit (3) through the matching of an Optical Coupler (OC) and a transformer (T), and the transformer (T) is simultaneously connected with the rectification circuit (4); the input of the DALI interface circuit (2) is connected with a DALI signal; the output of the DALI interface circuit (2) is connected with the singlechip (5), and the singlechip (5) is connected with the dial circuit (6) and the display and key circuit (8); the input of the PWM constant-current dimming circuit (7) is respectively connected with the rectification and constant-voltage control feedback circuit (3) and the singlechip (5), and the output of the PWM constant-current dimming circuit (7) is connected with the LED terminal row.

2. The DALI dimming constant-current LED driving power supply with address display and setting as claimed in claim 1, wherein: the rectifying circuit (4) outputs 5V voltage to supply power for the singlechip (5) and the display and key circuit (8).

3. The DALI dimming constant-current LED driving power supply with address display and setting as claimed in claim 1, wherein: the display and key circuit (8) consists of two groups of nixie tubes and rubber buttons, and the nixie tubes and the rubber buttons are distributed on the upper surface of the driving power supply shell.

4. The DALI dimming constant-current LED driving power supply with address display and setting as claimed in claim 1, wherein: the dial circuit (6) adjusts the light emitting mode through various combinations of external dial switches.

5. The DALI dimming constant-current LED driving power supply with address display and setting functions as claimed in claim 1, wherein: the PWM constant-current dimming circuit (7) is connected with a plurality of light-emitting LED lamp beads in parallel through an external terminal strip (CN 2).