CN202634843U - Control device of LED (Light-Emitting Diode) illumination lamp - Google Patents

Abstract

The utility model provides a control device for an LED lighting lamp, which belongs to the technical field of LED lighting lamps. It solves the problem in the prior art that the LED illuminating lamp is still on during the day and causes waste of electric energy. The control device of the LED lighting lamp includes an LED matrix circuit for connecting LEDs and a driving circuit for driving LED lighting, and also includes a controller and a sound-activated sensor connected to the input end of the controller, and the output end of the driving circuit is connected to There is a switch circuit, the first output terminal of the controller is connected to the switch circuit, and a light control circuit that controls the input current of the LED matrix circuit according to the light intensity is connected between the switch circuit and the LED matrix circuit, and the light control circuit and the first output terminal of the controller The two output terminals are connected. The control device can not light up when the light is better and can be turned on and off intelligently to save electricity.

Description

A control device for an LED lighting lamp

technical field

The utility model belongs to the technical field of LED lighting lamps, and relates to a control device for LED lighting lamps, in particular to a control device for LED lighting lamps used in public corridors.

Background technique

In modern high-rise buildings, public lights are generally installed on public corridors. In the prior art, there are three main ways for people to control the turning on and off of public lights:

The first kind is purely manual control, namely switch buttons are respectively installed on the upper and lower sides of each floor of the stairs, the public lights are lighted when the stairs are down, and the public lights of the stairs on this floor are turned off when arriving at the top of the stairs, and At the same time, light the public lights on the stairs on the next floor. Although the circuit structure of the control device of this kind of public lighting is simple, it needs more button switches, which increases the time for installation and construction. waste.

The second is the voice control method to control the light to turn on, that is, a sound control sensor is set in the light circuit, and when the sound control sensor detects a sound, the light circuit is connected to make the light light up, and a delay sensor is set in the light circuit , After a period of time without sound, the light will be turned on automatically. Although this control method can automatically illuminate when people pass by the corridor, and automatically turn off after people leave, but in the daytime, there is no need for lighting in the corridor, and the lights in the corridor will still be on when people pass by, which will also cause waste of electricity.

The third is the light control method to control the lighting of the lighting. This control method will cause the lighting to be on all night, and the power consumption will be more wasteful. Generally, it will not be used in public corridors, and it is usually used in street lights.

Existing lighting lamps generally adopt energy-saving lamps, even incandescent lamps. Although energy-saving lamps can save electricity, they are not as good as LED lighting lamps.

Contents of the invention

The utility model aims at the above-mentioned problems in the prior art, and proposes a control device for an LED lighting lamp capable of saving electricity.

The utility model is realized through the following technical solutions: a control device for LED lighting lamps, which includes an LED matrix circuit for connecting LEDs and a driving circuit for driving LED lighting, and is characterized in that the device also includes a controller and the voice-activated sensor connected to the input end of the controller, the output end of the driving circuit is connected with a switch circuit, the first output end of the controller is connected with the above-mentioned switch circuit, and a light according to light is connected between the switch circuit and the LED matrix circuit. A light control circuit for controlling the intensity of the input current of the LED matrix circuit, and the light control circuit is connected with the second output end of the controller.

LED lighting is composed of multiple LEDs, usually arranged in a matrix shape of several rows and columns. The LEDs are installed in the LED matrix circuit so that each LED is connected to the loop, and the mains power is converted into the DC power available to the LEDs through the driving circuit, so that the LEDs can light up. The control device transmits the voice control signal to the controller through the voice control sensor, and the controller switches on the switch circuit in the control circuit according to the voice control signal. When the controller outputs the voice control signal, the other output terminal of the controller outputs a control signal to control the light control circuit. , The light control circuit disconnects the circuit when the external light is strong, so that the LED lighting lamp does not light up, and connects the circuit when the external light is weak, so that the LED lighting lamp is lit.

In the above-mentioned control device for LED lighting lamps, the light control circuit includes a shunt resistor, a photoresistor and a triode, the base of the triode is connected to one end of the shunt resistor, and the other end of the shunt resistor is connected to the second output of the above-mentioned controller. One end of the photoresistor is connected to the second output end of the above-mentioned controller, the other end of the photoresistor is grounded, the collector of the triode is connected to the above-mentioned LED matrix circuit, and the emitter of the triode is connected to the switch circuit. When the photoresistor is in the state of strong light, that is, during the day, the resistance value decreases, most of the current output from the second output terminal of the controller flows to the photoresistor, and a small part flows to the shunt resistor, causing the triode to be in a cut-off state and disconnecting the circuit. Conversely, when the resistance value of the photoresistor increases, that is, when it is dark, most of the current flows to the shunt resistor to turn on the triode, so that the loop can be connected through the voice-activated sensor and the controller to make the LED light up.

In the above-mentioned control device for LED lighting lamps, the controller is provided with a delay circuit.

In the above-mentioned control device for LED lighting lamps, the driving circuit includes a power supply, a protection circuit and a rectification and filtering circuit connected in series in sequence, and the rectification and filtering circuit is connected to the switch circuit. The rectification filter circuit here adopts a full-bridge rectifier circuit, and the filter circuit adopts an RC filter circuit.

In the above-mentioned control device for LED lighting lamps, the output end of the LED matrix circuit is connected to the input end of the current limiting circuit, and the output end of the current limiting circuit is grounded.

In the above-mentioned LED lighting control device, the LED matrix circuit includes a positive bus bar and a negative bus bar, and the two ends of each LED are respectively connected between the positive bus bar and the negative bus bar. Connect each LED in parallel so that the normal operation of other LEDs will not be affected after a certain LED is damaged.

Compared with the prior art, the control device of the LED lighting lamp judges the external light state through the photoresistor, and when the light state is good, the circuit is disconnected so that the LED lighting lamp does not work. And when the light is dark, the LED lighting is automatically turned on by voice control, and it is automatically turned off after a period of time. This structure enables the control device to use the LED lighting according to the actual situation, saving electricity and avoiding unnecessary waste.

Description of drawings

Fig. 1 is a schematic circuit diagram of the utility model.

In the figure, 1. drive circuit; 11. power supply; 12. protection circuit; 13. rectification filter circuit; 2. switch circuit; 3. LED matrix circuit; 4. controller; 41. first output terminal; 42. second 5. Light control circuit; 51. Shunt resistor; 52. Photosensitive resistor; 53. Transistor; 6. Current limiting circuit.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Fig. 1, the control device of the LED lighting lamp includes a drive circuit 1, a switch circuit 2, an LED matrix circuit 3, a controller 4, a light control circuit 5 and a current limiting circuit 6, etc., for realizing the purpose of energy saving.

Specifically, the voice-activated sensor 7 is connected to the input end of the controller 4, the output end of the drive circuit 1 is connected to the switch circuit 2, the first output end 41 of the controller 4 is connected to the switch circuit 2, and the switch circuit 2 and the LED matrix circuit 3 is connected with a light control circuit 5 that controls the input current of the LED matrix circuit 3 according to the light intensity, and the light control circuit 5 is connected to the second output terminal 42 of the controller 4; the output terminal of the LED matrix circuit 3 is connected to the current limiting circuit 6 The input end is connected, and the output end of the current limiting circuit 6 is grounded.

The driving circuit 1 is used to drive the LED lighting to turn on, and includes a power supply 11 , a protection circuit 12 and a rectifying and filtering circuit 13 connected in series in sequence. The rectifying and filtering circuit 13 is connected to the switch circuit 2 . The rectifying and filtering circuit 13 here adopts a full-bridge rectifying circuit and an RC filtering circuit. The power supply 11 is a commercial power supply 11 . The switch circuit 2 uses a triode or a MOS tube to realize on-off control. The controller 4 is provided with a delay circuit.

The LED matrix circuit 3 includes a positive bus bar and a negative bus bar, and the two ends of each LED are respectively connected between the positive bus bar and the negative bus bar. LED lighting is composed of multiple LEDs, usually arranged in a matrix shape of several rows and columns. LEDs are installed in the LED matrix circuit 3 so that each LED is connected to the loop, and the mains power is converted into direct current available to the LEDs through the drive circuit 1, so that the LEDs can be lit.

The light control circuit 5 includes a shunt resistor 51, a photosensitive resistor 52 and a triode 53. The base of the triode is connected to one end of the shunt resistor 51, and the other end of the shunt resistor 51 is connected to the second output terminal 42 of the above-mentioned controller 4. The photosensitive resistor 52 One end of the transistor is connected to the second output terminal 42 of the controller 4, the other end of the photoresistor 52 is grounded, the collector of the transistor 53 is connected to the LED matrix circuit 3, and the emitter of the transistor 53 is connected to the switch circuit 2. Connect each LED in parallel so that the normal operation of other LEDs will not be affected after a certain LED is damaged.

The working process of this control is as follows: the control device transmits the voice control signal to the controller 4 through the voice control sensor 7, and the controller 4 switches on the switch circuit 2 in the control circuit according to the voice control signal. When the controller 4 outputs the voice control signal, the controller 4 The other output terminal of the control signal controls the light control circuit 5. In the light control circuit 5, when the photoresistor 52 is in a strong light state, that is, during the day, the resistance value decreases, and the current output from the second output terminal 42 of the controller 4 Most of it flows to the photoresistor 52, and a small part flows to the shunt resistor 51, so that the triode 53 is in a cut-off state, and the circuit is disconnected. On the contrary, when the resistance value of the photoresistor 52 increases, that is, when it is dark, most of the current flows to the shunt resistor 51 to make the triode 53 conduct, so that the loop can be connected through the voice-activated sensor 7 and the controller 4 to make the LED light up.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although this paper uses a lot of driving circuit 1, power supply 11, protection circuit 12, rectification and filtering circuit 13, switch circuit 2, LED matrix circuit 3, controller 4, first output terminal 41, second output terminal 42, light control Circuit 5, shunt resistor 51, photoresistor 52, triode 53, current limiting circuit 6 and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (6)

1. A control device for LED lighting lamps, comprising an LED matrix circuit (3) for connecting LEDs and a driving circuit (1) for driving LED lighting to light up, characterized in that the device also includes a controller (4 ) and the sound-activated sensor connected to the input end of the controller (4), the output end of the driving circuit (1) is connected to the switch circuit (2), the first output end (41) of the controller (4) is connected to the above-mentioned switch The circuit (2) is connected, and a light control circuit (5) that controls the input current of the LED matrix circuit (3) according to the light intensity is connected between the switch circuit (2) and the LED matrix circuit (3). The light control circuit (5) Connect with the second output terminal (42) of the controller (4). 2. The control device for LED lighting lamps according to claim 1, characterized in that, the light control circuit (5) includes a shunt resistor (51), a photoresistor (52) and a triode (53), and the triode The base of (53) is connected to one end of the shunt resistor (51), the other end of the shunt resistor (51) is connected to the second output end (42) of the above-mentioned controller (4), and one end of the photoresistor (52) is connected to the above-mentioned control connected to the second output terminal (42) of the device (4), the other end of the photoresistor (52) is grounded, the collector of the triode (53) is connected to the above-mentioned LED matrix circuit (3), and the emitter of the triode (53) is connected to the switch Circuit (2) is connected. 3. The control device for LED lighting lamps according to claim 1 or 2, characterized in that a delay circuit is provided in the controller (4). 4. The control device for LED lighting lamps according to claim 3, characterized in that, the drive circuit (1) includes a power supply (11), a protection circuit (12) and a rectification and filtering circuit (13) connected in series in sequence, The rectification filter circuit (13) is connected with the switch circuit (2). 5. The LED lighting control device according to claim 4, characterized in that, the output terminal of the LED matrix circuit (3) is connected to the input terminal of the current limiting circuit (6), and the current limiting circuit (6) The output is grounded. 6. The control device for LED lighting lamps according to claim 5, characterized in that, the LED matrix circuit (3) includes a positive bus bar and a negative bus bar, and the two ends of each LED are respectively connected to the positive bus bar and the negative bus bar between.

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