CN216982157U

CN216982157U - LED lamp drive circuit with infrared sensor

Info

Publication number: CN216982157U
Application number: CN202122529296.4U
Authority: CN
Inventors: 李希龙; 王康; 刘晓军
Original assignee: Xiamen Longstar Lighting Co Ltd
Current assignee: Xiamen Longstar Lighting Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-07-15
Anticipated expiration: 2031-10-20

Abstract

The utility model provides an LED lamp driving circuit with an infrared sensor, wherein the input end of a rectifier bridge is connected with a mains supply, and the output end of the rectifier bridge outputs a bus voltage after passing through a filtering module; the bus voltage respectively provides working voltage for the lighting control module, the infrared sensor, the camera module and the MCU module; the output ends of the infrared sensor and the camera module are respectively connected to the signal input end of the MCU module, and the signal output end of the MCU module is connected to the illumination control module; the illumination control module is used for controlling the on and off of the LED chip; the MCU module stores human-shaped data; when infrared sensor output sensing signal to MCU module, the camera module is used for shooing the environment photo and transmits to the MCU module, and the MCU module compares environment photo and humanoid data, if compare the result and show that it is the people then to trigger sensing signal, MCU module output control signal lights in order to control the LED chip to the lighting control module.

Description

LED lamp drive circuit with infrared sensor

Technical Field

The utility model relates to a lighting circuit, in particular to an LED driving circuit.

Background

In order to solve the problem that LED lamps with infrared sensors are arranged at home, some animals can be raised at home, when the animals pass through the sensing range of the infrared sensors, the lamps can be lightened by false triggering, the lamps can be lightened when the lamps are not lightened, and electricity waste is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the main technical problem of providing an LED lamp driving circuit with an infrared sensor and reducing false touch.

In order to solve the above technical problem, the present invention provides an LED lamp driving circuit with an infrared sensor, including: the device comprises a rectifier bridge, a filtering module, an illumination control module, an infrared sensor, a camera module and an MCU module;

the input end of the rectifier bridge is connected with a mains supply, and the output end of the rectifier bridge outputs bus voltage after passing through the filtering module; the bus voltage respectively provides working voltage for the illumination control module, the infrared sensor, the camera module and the MCU module;

the output ends of the infrared sensor and the camera module are respectively connected to the signal input end of the MCU module, and the signal output end of the MCU module is connected to the illumination control module; the illumination control module is used for controlling the on and off of the LED chip;

human-shaped data are stored in the MCU module; when infrared sensor output sensing signal to MCU module, the camera module is used for shooing the environment photo and transmits to the MCU module, the MCU module compares environment photo and humanoid data, if compare the result and show that it is then that the people triggers sensing signal, MCU module output control signal lights in order to control the LED chip to the lighting control module.

In a preferred embodiment: the filtering module comprises a capacitor C1 and an inductor L1; one end of the capacitor C1 and one end of the inductor L1 are connected to the DC positive output end of the rectifier bridge.

In a preferred embodiment: the other end of the capacitor C1 and the other end of the inductor L1 are connected through a capacitor C2.

In a preferred embodiment: the capacitor C2 provides working voltage for the infrared sensor, the camera module, the MCU module and the lighting control module through the resistor R5, the resistor R1, the resistor R2 and the resistor R3 respectively.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

the utility model provides an LED lamp driving circuit with an infrared sensor, which can realize that the LED lamp is provided with the infrared sensor and a camera through a lamp, the infrared sensor detects infrared rays, the camera shoots people or animals walking under the lamp and then processes the people or animals, whether the people walk is judged, if so, the lamp is controlled to be on, and if not, the lamp is not on; therefore, the lamp can be turned on only when people come, and the effect of saving electricity is achieved.

Drawings

Fig. 1 is a circuit diagram of a preferred embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like, are used in a broad sense, and for example, "connected" may be a wall-mounted connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention specifically.

Referring to fig. 1, the present embodiment provides an LED lamp driving circuit with an infrared sensor, including: the device comprises a rectifier bridge, a filtering module, a lighting control module U3, an infrared sensor U1, a camera module U2 and an MCU module U4;

the input end of the rectifier bridge is connected with the mains supply, and the output end of the rectifier bridge outputs bus voltage after passing through the filtering module; the bus voltage respectively provides working voltages for the lighting control module U3, the infrared sensor U1, the camera module U2 and the MCU module U4;

the output ends of the infrared sensor U1 and the camera module U2 are respectively connected to the signal input end of the MCU module U4, and the signal output end of the MCU module U4 is connected to the lighting control module U3; the illumination control module U3 is used for controlling the on and off of the LED chip;

the MCU module U4 stores human-shaped data; when infrared sensor U1 output sensing signal to MCU module U4, camera module U2 is used for shooting the environment photo and transmits to MCU module U4, MCU module U4 compares environment photo and humanoid data, if the comparison result shows that it is the people then to trigger sensing signal, MCU module U4 output control signal is lighted in order to control the LED chip to illumination control module U3. The image comparison belongs to the prior art, and therefore, it is not excessively expanded in the present embodiment.

The LED lamp driving circuit with the infrared sensor can realize that the lamp is provided with the infrared sensor and the camera, the infrared sensor detects infrared rays, the camera shoots people or animals walking under the lamp and then processes the people or animals, whether the people walk is judged, if so, the lamp is controlled to be on, and if not, the lamp is not on; therefore, the lamp can be turned on only when people come, and the effect of saving electricity is achieved.

Specifically, the filtering module comprises a capacitor C1 and an inductor L1; one end of the capacitor C1 and one end of the inductor L1 are connected and connected to the direct-current positive output end of the rectifier bridge; the other end of the capacitor C1 and the other end of the inductor L1 are connected through a capacitor C2.

The capacitor C2 provides working voltage for the infrared sensor U1, the camera module U2, the MCU module U4 and the lighting control module U3 through the resistor R5, the resistor R1, the resistor R2 and the resistor R3 respectively.

The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.

Claims

1. An LED lamp driving circuit with an infrared sensor is characterized by comprising: the device comprises a rectifier bridge, a filtering module, an illumination control module, an infrared sensor, a camera module and an MCU module;

the input end of the rectifier bridge is connected with the mains supply, and the output end of the rectifier bridge outputs bus voltage after passing through the filtering module; the bus voltage respectively provides working voltage for the illumination control module, the infrared sensor, the camera module and the MCU module;

human-shaped data are stored in the MCU module; when infrared sensor output sensing signal to MCU module, the camera module is used for shooing the environment photo and transmits to the MCU module, the MCU module compares environment photo and humanoid data, if the result of comparison shows that it is the people to trigger sensing signal, then MCU module output control signal lights in order to control the LED chip to the lighting control module.

2. The LED lamp driving circuit with the infrared sensor as set forth in claim 1, wherein: the filtering module comprises a capacitor C1 and an inductor L1; one end of the capacitor C1 and one end of the inductor L1 are connected to the DC positive output end of the rectifier bridge.

3. The LED lamp driving circuit with the infrared sensor as set forth in claim 2, wherein: the other end of the capacitor C1 and the other end of the inductor L1 are connected through a capacitor C2.

4. The LED lamp driving circuit with the infrared sensor as set forth in claim 3, wherein: the capacitor C2 provides working voltage for the infrared sensor, the camera module, the MCU module and the lighting control module through the resistor R5, the resistor R1, the resistor R2 and the resistor R3 respectively.