CN217428392U

CN217428392U - LED lamp source dimmer

Info

Publication number: CN217428392U
Application number: CN202123111888.0U
Authority: CN
Inventors: 王汉阳; 胡逢康
Original assignee: Electronic Power Technology Shanghai Co ltd
Current assignee: Electronic Power Technology Shanghai Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-09-13
Anticipated expiration: 2031-12-10

Abstract

An LED light source dimmer comprising: the input voltage module, adjust luminance the module, power transformer, main control module, the capacitive isolation control adjustment module, output rectification filter module, dummy load control module, two Buck circuits and binding post, the input voltage module is connected with the module of adjusting luminance, power transformer with adjust luminance the module and be connected with output rectification filter module, main control module is connected with module and capacitive isolation control adjustment module of adjusting luminance, capacitive isolation control adjustment module and dummy load control module and two Buck circuit connection, output rectification filter module and dummy load control module and two Buck circuit connection, two Buck circuits are connected with binding post. Wherein, the module of adjusting luminance includes: the LED dimming circuit comprises a dimmer, an EMC module, a rectifying module, a silicon controlled rectifier dimming chip and a DCDC chip power supply module. The utility model discloses can be adapted to multiple light modulation, mixing of colors mode, constant current and constant voltage output mode concurrently, the constant current output mode and the multi-functional application of multiple power realize the large-scale production management.

Description

LED lamp source dimmer

Technical Field

The utility model relates to an electronic equipment's debugging equipment field, concretely relates to LED lamp source light modulator.

Background

After the LED becomes mainstream illumination, the design and application of illumination, including exhibition, stage play, live performance, etc., greatly break through the limitations of light sources such as fluorescent lamp, high-pressure gas discharge lamp, and halogen lamp period, such as power, color, size, etc., the illumination design can almost select any brightness, any color, including which time and which position need what brightness and what color, to achieve the effect desired by the designer, so that the application of the illumination design in recent years has unprecedented visual breakthrough.

Meanwhile, due to the huge replacement market of traditional illumination such as halogen lamps driven by 12V/24V voltage, transition products, namely halogen lamp-shaped LED lamps and LED lamp belts are developed for the LED light sources, and the LED light sources are designed to be also driven by direct current voltage and can directly replace the halogen lamps.

The LED light source has very wide requirements on drivers, needs color modulation and dimming, generally requires constant current, but has great requirements on constant voltage, theoretically, infinite combinations of LED lamps need corresponding infinite LED power supplies to drive, but the specifications of the almost infinite LED power supplies are extremely uneconomical to design, purchase, production, storage and quality inspection management of an LED power supply company, and cannot be produced and managed on a large scale at all.

In order to solve the above problems, we have made a series of improvements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lamp source light modulator to overcome the above-mentioned shortcoming and not enough that prior art exists.

An LED light source dimmer comprising: the dimming circuit comprises an input voltage module, a dimming module, a power transformer, a main control module, a capacitive isolation control adjusting module, an output rectification filter module, a dummy load control module, a double-Buck circuit and a wiring terminal, wherein the input voltage module is connected with the dimming module, the power transformer is connected with the dimming module and the output rectification filter module, the main control module is connected with the dimming module and the capacitive isolation control adjusting module, the capacitive isolation control adjusting module is connected with the dummy load control module and the double-Buck circuit, the output rectification filter module is connected with the dummy load control module and the double-Buck circuit, and the double-Buck circuit is connected with the wiring terminal;

wherein the dimming module comprises: light modulator, EMC module, rectifier module, silicon controlled rectifier chip and DCDC chip power module of adjusting luminance, the light modulator is connected with input voltage module and EMC module, the EMC module is connected with input voltage module and rectifier module, rectifier module and silicon controlled rectifier chip, DCDC chip power module and main control module of adjusting luminance are connected, the silicon controlled rectifier chip of adjusting luminance is connected with power transformer, DCDC chip power module is connected with main control module.

Further, the master control module includes: the device comprises a 0-10V dimming interface and an online debugging and setting interface, wherein the 0-10V dimming interface and the online debugging and setting interface are connected with a main control module.

The utility model has the advantages that:

compared with the prior art, the utility model, can be adapted to multiple light modulation, mixing of colors mode, have constant current and constant voltage output mode concurrently, the constant current output mode and the multi-functional application of multiple power are on the spot, realize the large-scale production management.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Reference numerals:

the input voltage module 100, the dimming module 200, the dimmer 210, the EMC module 220, the rectification module 230, the thyristor dimming chip 240, and the DCDC chip power supply module 250.

The power transformer 300, the main control module 400, the 0-10V dimming interface 410 and the online debugging setting interface 420.

The circuit comprises a capacitive isolation control adjusting module 500, an output rectifying and filtering module 600, a dummy load control module 700, a double Buck circuit 800 and a wiring terminal 900.

Detailed Description

The present invention will be further described with reference to the following examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.

Example 1

Fig. 1 is a schematic structural diagram of the present invention.

As shown in fig. 1, an LED light source dimmer includes: the capacitive isolation control and regulation circuit comprises an input voltage module 100, a dimming module 200, a power transformer 300, a main control module 400, a capacitive isolation control regulation module 500, an output rectification filter module 600, a dummy load control module 700, a double Buck circuit 800 and a wiring terminal 900, wherein the input voltage module 100 is connected with the dimming module 200, the power transformer 300 is connected with the dimming module 200 and the output rectification filter module 600, the main control module 400 is connected with the dimming module 200 and the capacitive isolation control regulation module 500, the capacitive isolation control regulation module 500 is connected with the dummy load control module 700 and the double Buck circuit 800, the output rectification filter module 600 is connected with the dummy load control module 700 and the double Buck circuit 800, and the double Buck circuit 800 is connected with the wiring terminal 900;

wherein, the dimming module 200 includes: the dimming device comprises a dimmer 210, an EMC module 220, a rectifying module 230, a thyristor dimming chip 240 and a DCDC chip power supply module 250, wherein the dimmer 210 is connected with an input voltage module 100 and the EMC module 220, the EMC module 220 is connected with the input voltage module 100 and the rectifying module 230, the rectifying module 230 is connected with the thyristor dimming chip 240, the DCDC chip power supply module 250 and a main control module 400, the thyristor dimming chip 240 is connected with a power transformer 300, and the DCDC chip power supply module 250 is connected with the main control module 400.

The main control module 400 includes: the 0-10V dimming interface 410 and the online debugging setting interface 420, and the 0-10V dimming interface 410 and the online debugging setting interface 420 are connected with the main control module 400.

The utility model discloses an operating principle is, cuts off some input voltage waveforms through light modulator 210, through EMC module 220, through the rectifier module 230 rectification back, gathers this dimming signal by main control module 400. The main control module 400 transmits the dimming signal to the double Buck circuit 800 through the capacitive isolation control adjustment module 500 to implement corresponding dimming and color adjustment.

The 0-10V signal is applied to the main control module 400 through the 0-10V dimming interface 410. The main control module 400 transmits the dimming signal to the double Buck circuit 800 through the capacitive isolation control adjustment module 500 to realize dimming and color adjustment.

Constant voltage output power range, setting of constant current output range, namely maximum current setting: the main control module 400 can be set for maximum current through the online debug settings interface 420. The main control module 400 passes through the capacitive isolation control adjustment module 500 according to the on-line setting value and transmits to the double Buck circuit 800 to realize the maximum current setting.

Constant voltage output: within a certain set current range, the LED lamp strip can be directly used for driving various power LED lamp strips. The working principle is that an input voltage passes through the EMC module 220 for inhibiting electromagnetic interference and is converted into direct current through the rectifying module 230, the silicon controlled rectifier dimming chip 240, the power transformer 300 and the output rectifying and filtering module 600 work cooperatively to convert high-voltage primary direct current into voltage required by driving an LED lamp, and the voltage passes through the double Buck circuit 800 to the wiring terminal 900.

Constant current output: the double Buck circuit 800 converts the dc voltage of the output rectifying and filtering module 600 into a constant current.

The capacitive isolation control modulation module 500 has a function of accurately transmitting and isolating the control signal of the main control module 400; the dummy load control module 700 is to improve the accuracy at constant voltage light load; the DCDC chip power supply module 250 is an auxiliary power supply for supplying power required by normal operation of each module.

The utility model discloses can be adapted to multiple light modulation, mixing of colors mode, have constant current and constant voltage output mode concurrently, the constant current output mode and the multi-functional application of multiple power are on the spot, realize the large-scale production management.

The above description has been made of the embodiments of the present invention, but the present invention is not limited thereto, and various changes may be made without departing from the spirit of the present invention.

Claims

1. An LED light source dimmer, comprising: an input voltage module (100), a dimming module (200), a power transformer (300), a main control module (400), a capacitive isolation control adjusting module (500), an output rectifying and filtering module (600), a dummy load control module (700), a double Buck circuit (800) and a wiring terminal (900), the input voltage module (100) is connected with the dimming module (200), the power transformer (300) is connected with the dimming module (200) and the output rectifying and filtering module (600), the main control module (400) is connected with the dimming module (200) and the capacitive isolation control adjustment module (500), the capacitive isolation control adjusting module (500) is connected with the dummy load control module (700) and the double Buck circuit (800), the output rectifying and filtering module (600) is connected with the dummy load control module (700) and the double-Buck circuit (800), and the double-Buck circuit (800) is connected with the wiring terminal (900);

wherein the dimming module (200) comprises: dimmer (210), EMC module (220), rectifier module (230), silicon controlled rectifier chip (240) and DCDC chip power module (250), dimmer (210) are connected with input voltage module (100) and EMC module (220), EMC module (220) are connected with input voltage module (100) and rectifier module (230), rectifier module (230) are connected with silicon controlled rectifier chip (240), DCDC chip power module (250) and main control module (400), silicon controlled rectifier chip (240) are connected with power transformer (300), DCDC chip power module (250) are connected with main control module (400).

2. The LED light source dimmer of claim 1, wherein: the master control module (400) comprises: the system comprises a 0-10V dimming interface (410) and an online debugging setting interface (420), wherein the 0-10V dimming interface (410) and the online debugging setting interface (420) are connected with a main control module (400).