CN209056238U - A kind of energy-saving advertisement lamp box - Google Patents

Abstract

The utility model discloses a kind of energy-saving advertisement lamp boxes, including lamp house casing and the first light source, second light source, sound detection module and the controller that are set in lamp house casing, the sound detection module includes including sound transducer and sound treatment circuit, the sound transducer is connect with the sound treatment circuit, and the first light source, second light source and sound treatment circuit are connect with the controller respectively；Its effect is: second light source work can be driven by the sound transducer trigger controller in the sound detection module that is equipped with, environment quiet after midnight, without voice signal trigger, only connect a first light source work, the brightness of lamp box is changed, to reduce unnecessary power wastage.

Description

A kind of energy-saving advertisement lamp box

Technical field

The utility model relates to advertising lamp box technical fields, and in particular to a kind of energy-saving advertisement lamp box.

Background technique

Advertising lamp box is a kind of communal facility with advertisement function, and advertising lamp box can issue enough at night Light, is seen everywhere the advertising lamp box with illumination functions in life, for example, bus stop board advertising lamp box, wall hanging advertising lamp box and Advertising lamp box etc. along highway, by bringing the certain visual impact of people to reach advertising results, in order to reach advertisement Effect, general advertising lamp box can be lighted whole night, and the brightness that advertising lamp box still maintains like can so expend more electricity Power, especially environment quiet after midnight, to expend a large amount of electric energy, be unfavorable for energy conservation and environmental protection.

Also occur some energy-saving lamp boxes in the prior art, but energy conservation is realized by setting solar panel mostly Effect, but there are still lighting always whole night, the defect that brightness does not change.

Summary of the invention

The purpose of the utility model is to provide it is a kind of environment quiet after midnight, be able to carry out a kind of section of brightness change It can advertising lamp box.

The technical solution that the utility model is taken are as follows: a kind of energy-saving advertisement lamp box, including lamp house casing and it is set to lamp box The intracorporal first light source of shell, further includes second light source, sound detection module and controller, and the sound detection module includes Sound transducer and sound treatment circuit, the sound transducer are connect with the sound treatment circuit, the first light source, Two light sources and sound treatment circuit are connect with the controller respectively.

Preferably, the sound treatment circuit includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, first capacitor C1, the second capacitor C2, first diode D1, the first amplifier U1 and Two amplifier U2, power supply VCC are connect after concatenating the first resistor R1 with one end of the sound transducer, the sound sensor The other end of device is grounded, one end of the sound transducer also pass through after the concatenation first capacitor C1 and second resistance R2 with institute The inverting input terminal connection of the first amplifier U1 is stated, the normal phase input end of the first amplifier U1 passes through the 3rd resistor R3 It is connect with power supply VCC, the inverting input terminal of the first amplifier U1 also passes through the 4th resistance R4 and first amplification The output end of device U1 connects, and the output end of the first amplifier U1 passes through the second capacitor C2 and the first diode D1 Anode connection, the cathode of the first diode D1 respectively with one end of the 5th resistance R5 and the second amplifier U2 Inverting input terminal connection, the other end ground connection of the 5th resistance R5, the normal phase input end of the second amplifier U2 passes through The 6th resistance R6 ground connection, the output end of the second amplifier U2 are connect with the controller.

Preferably, the 4th resistance R4 is adjustable resistance.

Preferably, the model LM358 that the first amplifier U1 and the second amplifier U2 is used.

Preferably, the second light source includes multiple light emitting diodes, and the anode of each light emitting diode passes through an electricity Resistance is connect with power supply VCC, and the cathode of each light emitting diode is connect with the output pin of the controller respectively.

By adopting the above technical scheme, have the advantage that the utility model proposes a kind of energy-saving advertisement lamp box, can pass through Sound transducer trigger controller driving second light source work in the sound detection module being equipped with, in the later half of environment quiet Night triggers without voice signal, only connects first light source work, is changed to the brightness of lamp box, to reduce unnecessary Power wastage.

Detailed description of the invention

Fig. 1 is a kind of functional block diagram of energy-saving advertisement lamp box provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of standby power supply module in the utility model embodiment；

Fig. 3 is the structural schematic diagram of sound treatment circuit in the utility model embodiment；

Fig. 4 is the connection schematic diagram of second light source and controller in the utility model embodiment.

Specific embodiment

In order to keep the technical problems to be solved in the utility model, technical solution and advantage clearer, below in conjunction with attached Figure and specific embodiment are described in detail, and the following examples illustrate the utility model, but it is practical new to be not limited to this The range of type.

Refering to what is shown in Fig. 1, being a kind of energy-saving advertisement lamp box provided by the embodiment of the utility model, including lamp house casing, set The first light source being placed in lamp house casing, second light source, sound detection module and controller, the sound detection module include packet Sound transducer and sound treatment circuit are included, the sound transducer is connect with the sound treatment circuit, the first light source, Second light source and sound treatment circuit are connect with the controller respectively.

Specifically, the controller uses microcontroller, and the microcontroller for example, model STM32F103 can be used；It answers Used time can be directly powered by external power supply by adapter, and voltage conversion is carried out, and power module power supply can also be used, It is not intended to limit herein, when work, first light source is directly switched on when lamp box works, and when practical application, first light source can be direct The unlatching when power supply is switched on can not pass through controller, in the first half of the night more than flow of the people, the letter acquired by sound detection module The driving second light source work of number trigger controller makes lamp box with normal Brightness Duty, environment quiet after midnight, without sound Sound signal triggering is only connected first light source work, is changed to the brightness of lamp box, to reduce unnecessary power wastage.

In order to guarantee the reliability of utility model works, as shown in Fig. 2, in the embodiment of the present application, in lamp house casing It is additionally provided with power module, the power module includes lithium battery, decompression chip, inductance L1, voltage stabilizing chip, resistance R15 and resistance R16, lithium battery are connect with the input terminal of the decompression chip, and lithium battery also passes through the resistance R15 and the decompression chip The output end of enable end connection, the decompression chip is connect by the inductance L1 with the input terminal of the voltage stabilizing chip, described The output end of voltage stabilizing chip is grounded after passing through the resistance R16.

The decompression chip uses MP1482, and voltage stabilizing chip uses RT9193-33.It can be seen that from figure simultaneously multiple defeated Voltage end out, so that the module of different voltages grade can be met, can reliably be worked.

As shown in figure 3, the sound treatment circuit includes first resistor R1, second resistance R2,3rd resistor R3, the 4th electricity Hinder R4, the 5th resistance R5, the 6th resistance R6, first capacitor C1, the second capacitor C2, first diode D1, the first amplifier U1 and Second amplifier U2, power supply VCC are connect after concatenating the first resistor R1 with one end of the sound transducer, and the sound passes The other end of sensor is grounded, one end of the sound transducer also pass through after the concatenation first capacitor C1 and second resistance R2 with The inverting input terminal of the first amplifier U1 connects, and the normal phase input end of the first amplifier U1 passes through the 3rd resistor R3 is connect with power supply VCC, and the inverting input terminal of the first amplifier U1 also passes through the 4th resistance R4 and puts with described first The output end connection of big device U1, the output end of the first amplifier U1 pass through the second capacitor C2 and the first diode The anode of D1 connects, the cathode of the first diode D1 respectively with one end of the 5th resistance R5 and second amplifier The inverting input terminal of U2 connects, the other end ground connection of the 5th resistance R5, and the normal phase input end of the second amplifier U2 is logical The 6th resistance R6 ground connection is crossed, the output end of the second amplifier U2 is connect with the controller.

Specifically, sound transducer uses condenser type Electret condenser microphone, the first amplifier U1 and the second amplifier U2 The model LM358 of use, trigger controller after sound transducer signal collected is handled by sound treatment circuit Drive second light source work.

Further, the 4th resistance R4 is adjustable resistance.In this way can be by adjusting the resistance, it can be to the sound of triggering Sensitivity is adjusted, conducive to applying in different environment.

In order to guarantee that lamp box has enough brightness when being triggered by the external world, as shown in figure 3, in the utility model embodiment The connection schematic diagram of second light source and controller, the second light source include multiple light emitting diodes, each light emitting diode Anode passes through a resistance and connect with power supply VCC, and output of the cathode of each light emitting diode respectively with the controller is drawn Foot connection.

Specifically, from fig. 4, it can be seen that the P2.1 that second light source includes the more a light emitting diodes of L1 to L7 and controller is arrived P2.7 mouthfuls of connections, when useful application, can be connected to power supply by an exclusion, and certain multiple light emitting diodes are connect using common-anode Method or commoncathode are herein with no restrictions.

Through the above scheme, it can make lamp box when having flow of the people, pass through the sound transducer in sound detection module Trigger controller drives second light source work, so that first light source and second light source be made to work together, ensures that it uses brightness, and Environment quiet after midnight, triggered without voice signal, second light source do not work, and only connects first light source work, realizes pair The change of lamp box brightness, to reduce unnecessary power wastage.

Another embodiment of the utility model, on the basis of the above embodiments, a kind of energy-saving advertisement lamp box, also Equipped with ultrasonic sensor, the ultrasonic sensor is connect by serial ports with controller, the quantity of the ultrasonic sensor Be it is multiple, be separately positioned on the front and back and each side of lamp house casing, the model US-100 that the ultrasonic sensor uses, In this way setting can also by ultrasonic sensor to have pedestrian it is close when trigger controller drive second light source work, improve this The reliability of utility model work.

Finally, it should be noted that foregoing description is only specific embodiment of the present utility model, but the utility model Protection scope is not limited thereto, the technical scope that anyone skilled in the art discloses in the utility model Interior, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.

Claims (5)

1. a kind of energy-saving advertisement lamp box, including lamp house casing and the first light source being set in lamp house casing, which is characterized in that also Including second light source, sound detection module and controller, the sound detection module includes sound transducer and acoustic processing electricity Road, the sound transducer are connect with the sound treatment circuit, the first light source, second light source and sound treatment circuit point It is not connect with the controller.

2. a kind of energy-saving advertisement lamp box according to claim 1, which is characterized in that the sound treatment circuit includes first Resistance R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, first capacitor C1, second Capacitor C2, first diode D1, the first amplifier U1 and the second amplifier U2, power supply VCC concatenate after the first resistor R1 with One end of the sound transducer connects, the other end ground connection of the sound transducer, and one end of the sound transducer is also logical It crosses after concatenating the first capacitor C1 and second resistance R2 and is connect with the inverting input terminal of the first amplifier U1, described first The normal phase input end of amplifier U1 is connect by the 3rd resistor R3 with power supply VCC, and the reverse phase of the first amplifier U1 is defeated Enter end also to connect by the 4th resistance R4 with the output end of the first amplifier U1, the output of the first amplifier U1 End connect by the second capacitor C2 with the anode of the first diode D1, the cathode of the first diode D1 respectively with One end of the 5th resistance R5 is connected with the inverting input terminal of the second amplifier U2, the other end of the 5th resistance R5 The normal phase input end of ground connection, the second amplifier U2 is grounded by the 6th resistance R6, and the second amplifier U2's is defeated Outlet is connect with the controller.

3. a kind of energy-saving advertisement lamp box according to claim 2, which is characterized in that the 4th resistance R4 is adjustable electric Resistance.

4. a kind of energy-saving advertisement lamp box according to claim 2, which is characterized in that the first amplifier U1 and second is put The model LM358 that big device U2 is used.

5. a kind of energy-saving advertisement lamp box according to claim 1, which is characterized in that the second light source includes multiple shines Diode, the anode of each light emitting diode pass through a resistance and connect with power supply VCC, and the cathode of each light emitting diode is divided equally It is not connect with the output pin of the controller.