CN214338167U

CN214338167U - Lamp circuit

Info

Publication number: CN214338167U
Application number: CN202022510696.6U
Authority: CN
Inventors: 袁子章; 杨斌; 周光伟
Original assignee: Huizhou Cdn Industrial Development Co ltd
Current assignee: Huizhou Cdn Industrial Development Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-10-01
Anticipated expiration: 2030-11-03

Abstract

The application relates to a lamp circuit, which is applied to a lighting lamp and comprises a main control chip, a signal input circuit, an LED switch circuit and a power circuit; the main control chip is provided with a signal end, a control end and a power end, the signal end is connected with the signal input circuit, the control end is connected with the LED switch circuit, and the power end is connected with the power circuit; the power supply circuit is also respectively connected with the signal input circuit and the LED switch circuit; the signal input circuit at least comprises one or more of a Bluetooth circuit, an infrared circuit and a light sensing module; and the main control chip controls the LED switch circuit by receiving signals of the signal input circuit. The color temperature of the LED lamp is adjusted by switching the red lamp, the green lamp, the blue lamp and the white lamp, and the brightness of the LED lamp is adjusted.

Description

Lamp circuit

Technical Field

The application relates to the technical field of LEDs, in particular to a lamp circuit.

Background

The LED and the light emitting diode are common light emitting devices, emit light by energy released by electron and hole recombination, and are widely applied in the field of illumination. The light emitting diode can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like. In the prior art, an LED often can only switch a plurality of lamps through a physical switch or an infrared remote controller; the operation is inconvenient.

Disclosure of Invention

In order to solve the technical problem, the application provides a lamp circuit, which is applied to a lighting lamp, and comprises a main control chip, a signal input circuit, an LED switch circuit and a power circuit;

the main control chip is provided with a signal end, a control end and a power end, the signal end is connected with the signal input circuit, the control end is connected with the LED switch circuit, and the power end is connected with the power circuit; the power supply circuit is also respectively connected with the signal input circuit and the LED switch circuit;

the signal input circuit at least comprises one or more of a Bluetooth circuit, an infrared circuit and a light sensing module; and the main control chip controls the LED switch circuit by receiving signals of the signal input circuit.

Optionally, the power supply circuit comprises a first power supply circuit, a second power supply circuit, a third power supply circuit,

the first power supply circuit comprises a first power supply chip and a second power supply chip, an external power supply is connected with the first power supply chip through a first filter circuit and outputs a first power supply, the power supply of the first power supply chip is connected with the second power supply chip and outputs a second power supply, the output end of the second power supply chip outputs a third power supply, and the input end and the output end of the second power supply chip are both connected with at least one capacitor;

the second power supply circuit comprises a third power supply chip, the input end of the third power supply chip is connected with the second power supply through a capacitor and a diode, and the output end of the third power supply chip is connected with at least one capacitor and outputs a fourth power supply;

the third power supply circuit comprises a fourth power supply chip, the input end of the fourth power supply chip is connected with the second power supply, and the output end of the second power supply is connected with at least one capacitor and outputs a fifth power supply;

and the first power end of the main control chip is connected with the fifth power supply.

Optionally, the bluetooth circuit includes a bluetooth receiving chip, a bluetooth converting chip, and an antenna;

the antenna end of the Bluetooth receiving chip is connected with the antenna, the PWM output end of the Bluetooth receiving chip is connected with the PWM input end of the Bluetooth conversion chip, and the Bluetooth end of the Bluetooth conversion chip is connected with the first signal end of the main control chip; the second power end of the Bluetooth receiving chip is connected with a third power supply, and the third power end of the Bluetooth conversion chip is connected with the fifth power supply.

Optionally, the infrared circuit includes an infrared chip and an infrared sensor;

a fourth power supply end of the infrared sensor is connected with a fourth power supply, and an infrared output end of the infrared sensor is connected with an infrared input end of the infrared chip; and the infrared end of the infrared chip is connected with the second signal end of the main control chip.

Optionally, a second filter circuit is further connected between the infrared output end and the infrared input end, and the second filter circuit includes at least one capacitor and a resistor.

Optionally, one end of the light sensing module is connected to the fifth power supply, the other end of the light sensing module is connected to the third signal terminal of the main control chip and the first resistor, and the other end of the first resistor is grounded.

Optionally, the LED switch circuit includes a triode, a base of the triode is connected to the main control chip, a collector is connected to the LED lamp, and an emitter is grounded.

Optionally, the LED switch circuit includes a switch chip, a switch input end of the switch chip is connected to the control end, an output end of the switch chip is connected to the LED lamp through a voltage stabilizing circuit, and a fifth power end of the switch chip is connected to the first power supply.

Optionally, the LED lamp comprises one or more of a red lamp, a green lamp, a blue lamp, and a white lamp.

The application discloses a lamp circuit, its beneficial effect lies in: this application passes through main control chip, receives bluetooth circuit, infrared power and light sense module respectively and acquires external signal to according to external signal control, realize that the lamps and lanterns between red light, green light, blue light, the white light switch over and carry out the colour temperature and adjust, adjust the luminance of LED lamp simultaneously.

Drawings

Fig. 1 is a circuit structure diagram of a lamp according to an embodiment of the present application.

Fig. 2 is a circuit diagram of a main control chip according to an embodiment of the present application.

Fig. 3 is a circuit diagram of a first power circuit according to an embodiment of the present application.

Fig. 4 is a circuit diagram of a second power circuit according to an embodiment of the present application.

Fig. 5 is a circuit diagram of a third power supply circuit according to an embodiment of the present application.

Fig. 6 is a circuit diagram 1 of a bluetooth circuit according to an embodiment of the present application.

Fig. 7 is a circuit diagram of a bluetooth circuit according to an embodiment of the present application 2.

Fig. 8 is a circuit diagram of an infrared circuit according to an embodiment of the present application.

FIG. 9 is a circuit diagram of a light sensing module according to an embodiment of the present application.

Fig. 10 is a circuit diagram of a switching circuit 1 according to an embodiment of the present application.

Fig. 11 is a circuit diagram of a switching circuit according to an embodiment of the present application.

Detailed Description

The following detailed description of the preferred embodiments of the present application, taken in conjunction with the accompanying drawings, will make the advantages and features of the present application more readily appreciated by those skilled in the art, and thus will more clearly define the scope of the invention.

In the embodiments shown in fig. 1 to 11, the present application provides a lamp circuit, which is applied to a lighting lamp, and as shown in fig. 1, the circuit includes a main control chip U1, a signal input circuit 100, an LED switch circuit 200, and a power circuit 400; the main control chip U1 is provided with a signal end, a control end PWMR, a control end PWMG, a control end PWMB, a control end PWMW and power supply ends, the signal end is connected with the signal input circuit, the control end PWMR, the control end PWMG, the control end PWMB and the control end PWMW are connected with the LED switch circuit 200, and the power supply ends are connected with the power supply circuit 400; the power circuit 400 is also connected with the signal input circuit 100 and the LED switch circuit 200 respectively; the signal input circuit 100 at least comprises one or more of a bluetooth circuit 110, an infrared circuit 120 and a light sensing module 130; the main control chip U1 controls the LED switch circuit 200 by receiving signals from the signal input circuit 100. In this embodiment, the main control chip U1 can be the chip that the model is STM8S103F3 TSSOP20, and this application passes through main control chip U1, receives bluetooth circuit 110, infrared power supply and light sense module 130 respectively and acquires external signal to according to external signal control, realize that the lamps and lanterns between red lamp, green lamp, blue lamp, the white lamp switch and carry out the colour temperature regulation, adjust the luminance of LED lamp 300 simultaneously.

In some embodiments, power supply circuit 400 includes a first power supply circuit, a second power supply circuit, a third power supply circuit,

the first power supply circuit comprises a first power supply chip U2 and a second power supply chip U3, an external power supply is connected with the first power supply chip U2 through a first filter circuit and outputs a first power supply VCC1, the power supply of the first power supply chip U2 is connected with the second power supply chip U3 and outputs a second power supply VCC2, the output end of the second power supply chip U3 outputs a third power supply VCC3, and the input end and the output end of the second power supply chip U3 are both connected with at least one capacitor; the first filter circuit 401 includes at least one resistor and at least one capacitor, and is configured to filter the noise stabilizing circuit, and the first output filtered by the first filter circuit 401 is supplied to the LED switch circuit 200 for power supply. The second power supply VCC2 is used for supplying power to the second power supply chip U3, the third power supply chip U4 and the fourth power supply chip, and the third power supply VCC3 is used for supplying power to the Bluetooth receiving chip.

The second power supply circuit comprises a third power supply chip U4, the input end of the third power supply chip U4 is connected with a second power supply VCC2 through a capacitor and a diode, and the output end of the third power supply chip U4 is connected with at least one capacitor and outputs a fourth power supply VCC 4; the fourth power supply VCC4 is used to power the infrared circuit 120.

The third power supply circuit comprises a fourth power supply chip U5, the input end of the fourth power supply chip U5 is connected with a second power supply VCC2, and the output end of the second power supply VCC2 is connected with at least one capacitor and outputs a fifth power supply VCC 5; the fifth power supply VCC5 is used for supplying power for the Bluetooth conversion chip and the main control chip U1. The first power terminal of the main control chip U1 is connected to a fifth power VCC 5.

The first power chip U2 may be a power chip of model LM2575HV-12, and the second power chip U3, the third power chip U4, and the fourth power chip U5 may be power ICs of model 78L 05.

In some embodiments, the bluetooth circuit 110 includes a bluetooth receiving chip U6, a bluetooth converting chip U7, and an antenna TX 1; an antenna TX1 end of a Bluetooth receiving chip U6 is connected with an antenna TX1, a PWM output end PWM1, a PWM output end PWM2, a PWM output end PWM3 and a PWM output end PWM4 of the Bluetooth receiving chip U6 are connected with a PWM input end of a Bluetooth conversion chip U7, and a Bluetooth end of a Bluetooth conversion chip U7 is connected with a first signal end OUT1, a first signal end OUT2, a first signal end OUT3 and a first signal end OUT4 of a main control chip U1; the second power terminal of the bluetooth receiving chip U6 is connected to the third power VCC3, and the third power terminal of the bluetooth converting chip U7 is connected to the fifth power VCC 5. In this embodiment, the bluetooth receiving chip U6 may be a bluetooth chip with model ST17H25ET32, and the bluetooth converting chip U7 may be a chip of 74HC 245; wherein, the bluetooth receiving chip U6 is through being connected with external communication equipment, acquires external communication equipment's signal, transmits main control chip U1 after changing the signal through bluetooth conversion chip U7 to the realization is adjusted LED lamp 300, and wherein, external equipment can be mobile terminal such as cell-phone, bluetooth remote controller, computer.

In some embodiments, infrared circuitry 120 includes an infrared chip U8, and an infrared sensor P1; a fourth power supply end of the infrared sensor P1 is connected with a fourth power supply VCC4, and an infrared output end of the infrared sensor P1 is connected with an infrared input end of an infrared chip U8; the infrared end of the infrared chip U8 is connected to the second signal terminal RVC of the main control chip U1. A second filter circuit 121 is further connected between the infrared output end and the infrared input end, and the second filter circuit 121 includes at least one capacitor and a resistor. In the present embodiment, the infrared sensor P1 may be a sensor of model number KP500B, and the infrared chip U8 may be a chip of model number BISS 0001. The infrared circuit 120 can detect a nearby object according to the infrared sensor P1, so as to transmit an infrared signal obtained by detection to the main control chip U1. The second filter circuit 121 filters an abnormal signal of the infrared sensor P1 by a capacitor or a resistor.

In some embodiments, one end of the light sensing module 130 is connected to the fifth power VCC5, the other end of the light sensing module 130 is connected to the third signal terminal ILED of the main control chip U1 and the first resistor R1, and the other end of the first resistor R1 is grounded. In this embodiment, the light sensing module 130 may be a photodiode D1, and the photodiode D1 is a light detector capable of converting light into a current or voltage signal according to the usage mode. The die usually uses a PN junction with photosensitive characteristics, which is very sensitive to light changes, has unidirectional conductivity, and changes electrical characteristics when light intensity is different, so that the current in the circuit can be changed by using the intensity of light. Wherein, the first resistance is used for voltage division.

In some embodiments, the red, green and blue lamps can be turned on and off by a transistor Q1, wherein a base of the transistor Q1 is connected to the main control chip U1, a collector is connected to the LED lamp 300, and an emitter is grounded. In this embodiment, the collector of the transistor Q1 is connected to the lower end of the LED lamp 300, and the emitter of the transistor Q1 is grounded, so as to turn on the LED lamp 300; the red light, the green light and the blue light can be controlled by a control end PWMR, a control end PWMG and a control end PWMB of the main control chip U1 respectively through different triodes. White lamp accessible switch chip controls, and the switch input end and the control end PWMW of switch chip are connected, and the output of switch chip passes through voltage stabilizing circuit 210 and is connected with white lamp, and the fifth power end and the first power VCC1 of switch chip are connected. The switch chip may be a chip of type MBI6658G, and the white light is controlled by the switch chip to adjust the brightness of the LED lamp 300.

In some embodiments, the red light, the green light, the blue light, and the white light may all be controlled by the switch chip U9, and are respectively connected to the control terminal PWMR, the control terminal PWMG, the control terminal PWMB, and the control terminal PWMW through the switch input terminals of different switch chips U9, the output terminal of the switch chip U9 is connected to the LED lamp 300 through the voltage stabilizing circuit 210, and the fifth power terminal of the switch chip U9 is connected to the first power VCC 1. The switch chip U9 can be a chip with the model number of MBI6662, and the white lamp is controlled by the switch chip U9 to adjust the brightness of the LED lamp 300; the color temperature of the red lamp, the green lamp and the blue lamp is adjusted through the switch chip U9. The voltage regulator circuit 210 includes a resistor, a diode, an inductor, and a capacitor, and the LED lamp 300 is turned on by the voltage regulator circuit 210 and the switch chip U9 to realize dimming and color mixing.

The lamp circuit judges whether the current lamp is day time or night according to the light sensing module. If the current day is daytime and the control signal sent by the mobile phone APP is not received, the lamp is automatically turned off. If the current night is, the lamp is automatically turned on 30% of white light brightness to reduce energy consumption under the condition that the mobile phone APP sends out a control signal. Under the condition of night, if a person passes through a place within 5 meters of the lamp induction area, the lamp automatically turns on 100% of brightness for illumination, the person is not induced to pass through the lamp in 3 minutes after the person leaves the induction area, and the brightness of the lamp is automatically reduced to 30% so as to reduce energy consumption. No matter daytime or evening, when lamps and lanterns received "cell-phone APP"'s control signal, lamps and lanterns can make corresponding change with luminous colour according to the control command that receives, until quitting from "cell-phone APP" control or the arrival of daytime. If the mobile phone control mode is exited at night, the lamp enters an energy-saving lighting state, and if the mobile phone control mode is waited to arrive at the daytime, the lamp is automatically turned off. Under the control state of the mobile phone, no matter the mobile phone control is turned off at night or the lamp is automatically turned off when the day is bright the next day, when the day comes again at night, the lamp enters the state of automatically turning on 30% of white light brightness to reduce energy consumption. This application passes through main control chip U1, receives bluetooth circuit 110, infrared power supply and light sense module 130 respectively and acquires external signal to according to external signal control, realize that the lamps and lanterns between red light, green light, blue light, the white light switch over and carry out the colour temperature and adjust, adjust the luminance of LED lamp 300 simultaneously.

The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.

Claims

1. A lamp circuit is applied to a lighting lamp and is characterized in that the circuit comprises a main control chip, a signal input circuit, an LED switch circuit and a power circuit;

2. A lamp circuit according to claim 1, wherein the power supply circuit comprises a first power supply circuit, a second power supply circuit, and a third power supply circuit,

3. The lamp circuit of claim 2, wherein the bluetooth circuit comprises a bluetooth receiving chip, a bluetooth converting chip, and an antenna;

4. A lamp circuit according to claim 2, wherein said infrared circuit comprises an infrared chip and an infrared sensor;

5. The lamp circuit of claim 4, wherein a second filter circuit is further connected between the infrared output terminal and the infrared input terminal, and the second filter circuit comprises at least one capacitor and a resistor.

6. The lamp circuit of claim 2, wherein one end of the light sensing module is connected to the fifth power supply, the other end of the light sensing module is connected to the third signal terminal of the main control chip and the first resistor, respectively, and the other end of the first resistor is grounded.

7. The lamp circuit of claim 2, wherein the LED switch circuit comprises a transistor, a base of the transistor is connected to the main control chip, a collector of the transistor is connected to the LED lamp, and an emitter of the transistor is grounded.

8. The lamp circuit according to claim 2, wherein the LED switch circuit comprises a switch chip, a switch input terminal of the switch chip is connected to the control terminal, an output terminal of the switch chip is connected to the LED lamp through a voltage stabilizing circuit, and a fifth power terminal of the switch chip is connected to the first power supply.

9. A lamp circuit according to any one of claims 7 or 8, wherein the LED lamp comprises one or more of a red lamp, a green lamp, a blue lamp, and a white lamp.