CN208386964U - A kind of LED light box control device - Google Patents

Abstract

The utility model provides a kind of LED light box control device, including single-chip microcontroller, light sensing module, human body induction module, power module, interface module, display module, key module, communication module, host computer, PWM light-adjusting module, LED light box.The utility model can automatically adjust the brightness of LED light, the late into the night nobody when do not shine, effectively saved a large amount of electric energy；PWM light-adjusting module structure is simple, and suitable for the integrated of circuit, single supply power supply, circuit is light reliable；Host computer remotely controls LED light box by wireless module；It is simple with structure, it is easy to use, it is cheap.

Description

A kind of LED light box control device

Technical field

The utility model relates to LED light box control technology fields, and in particular to a kind of LED light box control device.

Background technique

Under global energy crisis and the background of environmental protection and energy saving, LED is with advantages such as low energy consumption, environmental protection and long-life durables in lamp Have the function of increasing in optical illumination, prepares advertising lamp with LED to decorate street and City Building and have become mainstream Trend.LED lights currently on the market are from functional effect, and light-emitting mode is few and dull coloring, influence landscaping effect.Together When on the market LED light box billboard be primarily present following deficiency: 1) open, the shut-in time fix, cannot be with the alternating in the four seasons And change；2) brightness value is constant, is unable to adjust automatically, compared with will appear light pollution under dark situation；3) it is still persistently sent out when late into the night people is few Light wastes a large amount of electric energy.

Utility model content

(1) the technical issues of solving

The utility model is directed to the defect problem that above-mentioned LED light box billboard occurs, and provides one kind by single-chip microcontroller, light sense Answer module, human body induction module, power module, interface module, display module, key module, communication module, host computer, PWM tune The LED light box control device that optical module, LED light box are constituted.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs:

A kind of LED light box control device, including single-chip microcontroller, light sensing module, human body induction module, power module, connect Mouth mold block, display module, key module, communication module, host computer, PWM light-adjusting module, LED light box；Light sensing module, people Body induction module, power module, interface module, display module, key module, communication module, PWM light-adjusting module are single-chip microcontroller Peripheral circuit is connected with single-chip microcontroller respectively；Single-chip microcontroller drives LED light box by PWM light-adjusting module；Single-chip microcontroller passes through communication module It is carried out wireless communication with host computer.

Further, the single-chip microcontroller is STC89C51 or STC89C52.

Further, the communication module is Zigbee wireless module, single-chip microcontroller by Zigbee wireless module with it is upper Machine carries out wireless communication.

Further, the peripheral circuit of the single-chip microcontroller further includes interface module.

Further, the interface module includes RS232 interface, USB interface.

Further, the PWM light-adjusting module includes resistance R1, capacitor C1, transistor VT1, diode D1, LED light, electricity Feel L1 ,+5V power supply.The pwm signal of single-chip microcontroller output is connected with the one end resistance R1, the resistance R1 other end and transistor VT1 base stage It is connected, transistor VT1 emitter ground connection, transistor VT1 collector is connected with LED light cathode, diode D1 anode, LED light sun Pole is connected with the one end inductance L1, and the inductance L1 other end, diode D1 cathode are connected with+5V power supply, and capacitor C1 is connected in parallel on+5V power supply Between ground.

Further, the transistor VT1 is NPN type triode.

(3) beneficial effect

The utility model has the beneficial effects that a kind of LED light box control device, by single-chip microcontroller, light sensing module, human body sense Answer module, power module, interface module, display module, key module, communication module, host computer, PWM light-adjusting module, LED light Case is constituted, and can automatically adjust the brightness of LED light, the late into the night nobody when do not shine, effectively saved a large amount of electric energy；PWM light modulation Modular structure is simple, and suitable for the integrated of circuit, single supply power supply, circuit is light reliable；Host computer is by wireless module to LED Lamp box is remotely controlled；It is simple with structure, it is easy to use, it is cheap.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model control device functional block diagram；

Fig. 2 is PWM light-adjusting module schematic diagram.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

In conjunction with Fig. 1, a kind of LED light box control device, including single-chip microcontroller, light sensing module, human body induction module, power supply Module, interface module, display module, key module, communication module, host computer, PWM light-adjusting module, LED light box.

Light sensing module, human body induction module, power module, interface module, display module, key module, communication mould Block, the peripheral circuit that PWM light-adjusting module is single-chip microcontroller are connected with single-chip microcontroller respectively；Single-chip microcontroller drives LED by PWM light-adjusting module Lamp box；Single-chip microcontroller is carried out wireless communication by communication module and host computer.

Single-chip microcontroller can be STC89C51 or STC89C52；Power module provides electric energy for entire control device；Communicate mould Block can be Zigbee wireless module, and single-chip microcontroller is carried out wireless communication by Zigbee wireless module with host computer, and host computer can Remotely to be controlled by wireless module LED light box；Interface module includes serial communication interface, USB interface；Light sensing Module detects extraneous light status；To human body, there are signals to detect by infrared sensor for human body induction module； Display module is used for displays temperature, illumination, LED light box working condition；Manually controlling for LED light box may be implemented in key module； PWM light-adjusting module drives LED light box by the way of pwm signal.

In conjunction with Fig. 2, PWM light-adjusting module include resistance R1, capacitor C1, transistor VT1, diode D1, LED light, inductance L1, + 5V power supply.The pwm signal of single-chip microcontroller output is connected with the one end resistance R1, and the resistance R1 other end is connected with transistor VT1 base stage, Transistor VT1 emitter ground connection, transistor VT1 collector are connected with LED light cathode, diode D1 anode, LED light anode and electricity Feel the one end L1 to be connected, the inductance L1 other end, diode D1 cathode are connected with+5V power supply, and capacitor C1 is connected in parallel on+5V power supply and ground Between.Transistor VT1 is NPN type triode.PWM light-adjusting module structure is simple, suitable for the integrated of circuit, single supply power supply, electricity Road is light reliable.

In conclusion the utility model embodiment, LED light box control device, by single-chip microcontroller, light sensing module, human body Induction module, power module, interface module, display module, key module, communication module, host computer, PWM light-adjusting module, LED Lamp box is constituted, and can automatically adjust the brightness of LED light, the late into the night nobody when do not shine, effectively saved a large amount of electric energy；PWM tune Optical module structure is simple, and suitable for the integrated of circuit, single supply power supply, circuit is light reliable；Host computer passes through wireless module pair LED light box is remotely controlled；It is simple with structure, it is easy to use, it is cheap.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (7)

1. a kind of LED light box control device, it is characterised in that: including single-chip microcontroller, light sensing module, human body induction module, electricity Source module, interface module, display module, key module, communication module, host computer, PWM light-adjusting module, LED light box；Light sense Answer module, human body induction module, power module, interface module, display module, key module, communication module, PWM light-adjusting module It is connected respectively with single-chip microcontroller for the peripheral circuit of single-chip microcontroller；Single-chip microcontroller drives LED light box by PWM light-adjusting module；Single-chip microcontroller is logical Communication module is crossed to carry out wireless communication with host computer.

2. a kind of LED light box control device as described in claim 1, which is characterized in that the single-chip microcontroller be STC89C51 or STC89C52。

3. a kind of LED light box control device as described in claim 1, which is characterized in that the communication module be Zigbee without Wire module, single-chip microcontroller are carried out wireless communication by Zigbee wireless module with host computer.

4. a kind of LED light box control device as described in claim 1, which is characterized in that the peripheral circuit of the single-chip microcontroller is also Including interface module.

5. a kind of LED light box control device as claimed in claim 4, which is characterized in that the interface module includes that RS232 connects Mouth, USB interface.

6. a kind of LED light box control device as described in claim 1, which is characterized in that the PWM light-adjusting module includes resistance R1, capacitor C1, transistor VT1, diode D1, LED light, inductance L1 ,+5V power supply, the pwm signal and resistance R1 of single-chip microcontroller output One end is connected, and the resistance R1 other end is connected with transistor VT1 base stage, transistor VT1 emitter ground connection, transistor VT1 collector It is connected with LED light cathode, diode D1 anode, LED light anode is connected with the one end inductance L1, the inductance L1 other end, diode D1 Cathode is connected with+5V power supply, and capacitor C1 is connected in parallel between+5V power supply and ground.

7. a kind of LED light box control device as claimed in claim 6, which is characterized in that the transistor VT1 is NPN type three Pole pipe.