CN203618184U - Communication-controlled LED dimming light - Google Patents

Abstract

The utility model relates to a communication-controlled LED dimming light. The communication-controlled LED dimming light comprises a master control module (1), a communication module (2), an upper computer (3), a key module (4), a display module (5), a drive module (6), an LED light set (7) and a power module (8), wherein the upper computer (3) is connected with the communication module (2), the communication module (2), the key module (4), the display module (5), the drive module (6) and the power module (8) are connected with the master control module (1), and the LED light set (7) is connected with the drive module (6). The brightness of the LED light is controlled by dividing an irradiation area into nine areas which are distributed annularly from inside to outside for respective control, an illumination adjusting mode comprises a key adjustment mode and an upper computer adjustment mode, the brightness of the light is uniform in the irradiation area, and requirements of people can be met.

Description

Control on Communication LED desk lamp with dimmer switch

Technical field

The utility model relates to a kind of Control on Communication LED desk lamp with dimmer switch, is specifically a kind ofly can change arbitrarily illumination to the different demands of intensity of illumination according to field of employment, and the uniform light fixture of brightness in irradiation area, belong to energy-saving LED lamp control field.

Background technology

Along with science and technology and social progress, the application of the lighting of the advantages such as LED is this has long working life, low-power consumption, the response time is fast, volume is little, lightweight, resistance to resistance, tunable optical, toning, environmental protection is also more and more extensive.But traditional LED control mode is all just confined to the adjusting of button or knob, can only regulate in turn if will carry out while light modulation to a large amount of LED lamps, so not only lose time, and efficiency is not high, operates extremely inconvenient.And operation can make button or knob damage frequently, thereby uncontrollable, severe patient light fixture cannot use has to change new lamp, has caused the waste of resource.Traditional LED is generally that middle illumination is high simultaneously, and the low situation of surrounding illumination can be brought uncomfortable sensation to people like this, and severe patient can damage human eye.Given this, the utility model has designed a kind of Control on Communication LED desk lamp with dimmer switch, can change arbitrarily illumination to the different demands of intensity of illumination according to field of employment, and the uniform light fixture of brightness in irradiation area, can meet people's demand.

Summary of the invention

Technical problem to be solved in the utility model is, provides that a kind of mode of operation is simple, various and control precision is high, the energy-saving Control on Communication LED desk lamp with dimmer switch of irradiation area uniform-illumination.

The technical scheme that the utility model adopts is: a kind of Control on Communication LED desk lamp with dimmer switch, adopt to divide irradiation area is divided into 9 regions that distribute ringwise from the inside to surface, the control method of carrying out is respectively controlled the brightness of LED lamp, comprises main control module (1); The communication module (2) being connected with main control module (1); What be connected with communication module (2) is host computer (3); The key-press module (4) being connected with main control module (1); The display module (5) being connected with main control module (1); The driver module (6) being connected with main control module (1); The LED lamp group (7) that driver module (6) is connected; The power module (8) being connected with main control module (1).

What described main control module (1) was selected is MSP430F5438 single-chip minimum system module, for the processing of information.

What described communication module (2) was selected is RS485 serial communication, with host computer group-net communication.

Described host computer (3) is common PC.

Described key-press module (4) is for the instruction of input requirements, and 5 button compositions are selected, added, subtract in sharing system reset, model selection, stepping.

The brightness of lamp has six kinds of preference patterns

Pattern zero: lamp goes out entirely

Pattern one: the about 500LUX of brightness

Pattern two: the about 1000LUX of brightness

Pattern three: the about 1500LUX of brightness

Pattern four: the about 2000LUX of brightness

Pattern five: the about 2500LUX of brightness.

What described display module (5) was selected is 12864 dot matrix lcd modules, can show 4 row 8 row Chinese characters, for display lamp group address, and pattern, countdown remaining time.

What described driver module (6) was selected is that the LED constant-flow driver that DD311 single channel is exported is to aim at the chip that drives great power LED and design, for driving LED lamp group.

Described LED lamp group (7) is made up of 600 highlighted white light LEDs bulbs, and every 6 is 1 group, and lamp group is divided into 9 regions simultaneously, and each region is controlled by 1 road PWM, and these 9 districts distribute from inside to outside ringwise.Lamp group outer ring is aluminum alloy frame.

Described power module (8) adopts the core devices of LM2576 series switch integrated regulator as MSP430F5438 single-chip microcomputer stabilized voltage power supply.

Accompanying drawing explanation

Fig. 1 is composition frame chart of the present utility model;

Fig. 2 is the utility model main control module circuit diagram;

Fig. 3 is the utility model communication module circuit diagram;

Fig. 4 is the utility model driver module circuit diagram;

Fig. 5 is the utility model key-press module circuit diagram;

Fig. 6 the utility model display module circuit diagram;

Fig. 7 the utility model LED lamp group block plan;

Fig. 8 is the utility model power module circuitry figure;

Embodiment

Below in conjunction with accompanying drawing and example, the utility model is described in further detail.

As shown in Figure 1, Control on Communication LED desk lamp with dimmer switch of the present utility model, adopts irradiation area is divided into 9 regions that distribute ringwise from the inside to surface, and the control method of carrying out is respectively controlled the brightness of LED lamp, comprises main control module (1); The communication module (2) being connected with main control module (1); What be connected with communication module (2) is host computer (3); The key-press module (4) being connected with main control module (1); The display module (5) being connected with main control module (1); The driver module (6) being connected with main control module (1); The LED lamp group (7) that driver module (6) is connected; The power module (8) being connected with main control module (1).

As shown in Figure 2, main control module (1) circuit diagram, what the utility model was selected is that MSP430F5438 single-chip microcomputer is main control chip, MSP430F5438 is a senior single-chip microcomputer in 430 series monolithics, powerful, use MSP430F5438 single-chip microcomputer can produce 9 road PWM square waves and control respectively LED lamp group 9 light-emitting zones from the inside to surface, to reach the uniform object of brightness in LED light source irradiated area.

As shown in Figure 3, what communication module (2) was selected is RS485 serial communication, RS485 communication interface, with host computer group-net communication, communication protocol is: brightness+6 district of brightness+5 district brightness+8 district of the brightness+7 district brightness+9 district brightness of brightness+4 district of brightness+3 district of brightness+2 district of address+1 district, as: host computer sends OX03 OX7F OX7F OX7F OX7F OX7F OX7F OX7F OX7F OX7F, and the brightness in 9 districts of lamp group that address is 03 is all 50%.

As shown in Figure 4, driver module (6) circuit diagram, what select is DD311LED constant-flow driver, and DD311 is the LED constant-flow driver of a single channel output, and built-in current mirror and current switch assembly are to aim at the chip that drives great power LED and design.DD31 1 can drive up to the Shen of 1 ampere and enter electric current (sink current), and ((IRE F) sets arbitrarily the size of output current can to see through adjustment reference input electric current.Output current value is about the IREF of 100 times, and IREF can by adjusting plug-in resistance or bias voltage, ((bias) voltage be set.Fine setting or the brightness enabling between bias voltage recoverable LED differ or realize overall brightness between plurality of LEDs and adjust simultaneously.The output of chip can bear the voltage up to 36V, supports the serial connection application of many great power LEDs.((Enable) can realize the high gray application of great power LED to built-in output enable end easily.For driving LED lamp group.

As shown in Figure 5, the utility model key-press module (4) circuit, 5 button compositions are selected, are added, subtract in sharing system reset, model selection, stepping.

As shown in Figure 6, the utility model display module (5) circuit, what select is 12864 dot matrix lcd modules, can show 4 row 8 row Chinese characters, for display lamp group address, pattern and real-time time.

As shown in Figure 7, the utility model LED lamp group (7) is made up of 600 highlighted white light LEDs bulbs, and every 6 is 1 group, and two ends institute making alive is 24V, and average every LEDs dividing potential drop is 4V, meets the driving requirement of highlighted white light LEDs bulb.Lamp group is divided into 9 regions altogether simultaneously, each region is controlled by 1 road PWM, and these 9 districts distribute from inside to outside ringwise, the LED that can realize so each region sends the illumination difference of light, if the luminous intensity of LED is strengthened from inside to outside gradually, just can make the brightness value of irradiation area consistent.Lamp group outer ring is aluminum alloy frame.

As shown in Figure 8, the utility model power module (8) adopts LM2576 series switch integrated regulator not only can improve the operating efficiency of stabilized voltage power supply as the core devices of MSP430F5438 single-chip microcomputer stabilized voltage power supply, reduce energy loss, reduce the pyrolytic damage to MSP430F5438 single-chip microcomputer, and can reduce the interference of external communication voltage fluctuation to MSP430F5438 single-chip microcomputer, can reduce the High-frequency Interference of scurrying into through power supply, this can play a multiplier role to the safety and the reliability service that ensure MSP430F5438 single-chip microcomputer simultaneously.

A kind of Control on Communication LED of the utility model desk lamp with dimmer switch, adopt irradiation area is divided into 9 regions that distribute ringwise from the inside to surface, the control method of carrying out is respectively controlled the brightness of LED lamp, and its illumination regulative mode has button to regulate and host computer regulates two kinds of modes.

Claims (2)

1. a Control on Communication LED desk lamp with dimmer switch, has main control module (1); It is characterized in that: also comprise the communication module (2) being connected with main control module (1); What be connected with communication module (2) is host computer (3); The key-press module (4) being connected with main control module (1); The display module (5) being connected with main control module (1); The driver module (6) being connected with main control module (1); The LED lamp group (7) that driver module (6) is connected; The power module (8) being connected with main control module (1).

2. Control on Communication LED desk lamp with dimmer switch according to claim 1, it is characterized in that: described LED lamp group is made up of 600 highlighted white light LEDs bulbs, every 6 is 1 group, lamp group is divided into 9 regions simultaneously, each region is controlled by 1 road PWM, and these 9 districts distribute from inside to outside ringwise, and lamp group outer ring is aluminum alloy frame.

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