CN219329838U

CN219329838U - Based on two unification garage response lamps of atmospheric pressure and human heat release infrared induction

Info

Publication number: CN219329838U
Application number: CN202222568957.9U
Authority: CN
Inventors: 湛铭
Original assignee: Dongguan Yunfeng Intelligent Technology Co ltd
Current assignee: Dongguan Yunfeng Intelligent Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-07-11
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a two-in-one garage induction lamp based on air pressure and human body heat release infrared induction, which comprises a shell, wherein LED lamp tubes are fixedly arranged on two sides of the inner wall of the shell, a human body heat release infrared inductor is fixedly arranged at one end of the shell, a circuit board is fixedly connected to the top end of the inner wall of the shell, a rectifying circuit, an LED constant current driving circuit, an AC detection circuit and a DCTODC circuit are sequentially and fixedly arranged on one side of the bottom end of the circuit board from left to right, and a DCV voltage stabilizing circuit, an ambient light detection circuit, an air pressure detection circuit and a potentiometer regulating circuit are sequentially and fixedly arranged on the other side of the bottom end of the circuit board from left to right.

Description

Based on two unification garage response lamps of atmospheric pressure and human heat release infrared induction

Technical Field

The utility model relates to the field of induction lamps, in particular to a garage induction lamp based on air pressure and human body pyroelectric infrared induction.

Background

The induction lamp can be turned on when needed, and can be turned off when not needed, so that the effects of energy conservation and emission reduction are achieved.

In garage response lamp installation garage, can start the illumination after sensing the people and get into the garage, but current garage response lamp has following shortcoming:

(1) The traditional garage induction lamp adopts an air pressure detection technology that a Wheatstone bridge is diffused on a monocrystalline silicon wafer and is used for detecting small changes of resistance values, the voltage resistance effect enables the resistance values of bridge walls to change to generate a differential voltage signal, the price of a traditional general air pressure sensor is mostly more than ten yuan notes, and the response sensitivity is low;

(2) The traditional garage induction lamp adopts the acoustic control switch, utilizes the normal nature of electret electric capacity miaow to gather the sound wave signal of frequency at 20Hz ~ 20Khz, because the sound frequency that the object sent in nature all is 20Hz ~ 20Khz within range, the acoustic control switch receives the interference of external noise very easily, and transmission distance is far enough.

Disclosure of Invention

The utility model aims to provide an infrared sensing two-in-one garage sensing lamp based on air pressure and human heat release, which aims to solve the problems that the conventional garage sensing lamp provided in the background art adopts an air pressure detection technology, is high in cost and low in response sensitivity, is easily interfered by external noise by adopting an acoustic control switch, and is not long enough in transmission distance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: based on two unification garage response lamps of atmospheric pressure and human heat release infrared induction, which comprises a housing, the both sides fixed mounting of shell inner wall has the LED fluorescent tube, the one end fixed mounting of shell has the human heat release infrared inductor, the top fixedly connected with circuit board of shell inner wall, one side of circuit board bottom from left to right is fixed mounting in proper order has rectifier circuit, LED constant current drive circuit, AC detection circuit and DCTODC circuit, the opposite side of circuit board bottom from left to right is fixed mounting in proper order has DCV voltage stabilizing circuit, ambient light detection circuit, atmospheric pressure detection circuit and potentiometre regulating circuit.

When the technical scheme is used, the air pressure detection technology is low in cost, high in response sensitivity and strong in anti-interference effect, and the transmission distance is farther than that of the voice control switch.

As a preferable technical scheme of the utility model, the air pressure detection circuit comprises a low-pass filter, a second-order low-pass amplifier and a comparator. The air pressure detection circuit is used for sensing air pressure.

As a preferred technical scheme of the utility model, the low-pass filter is electrically connected with a second-order low-pass amplifier, and the second-order low-pass amplifier is electrically connected with the comparator. The signal is processed through a low pass filter, a second order low pass amplifier and a comparator.

As a preferable technical scheme of the utility model, an MCU main control circuit is fixedly arranged in the middle of the bottom end of the circuit board. The MCU master control circuit is a main control circuit.

As a preferable technical scheme of the utility model, the bottom end of the shell is fixedly connected with a light-transmitting plate. The light-transmitting plate is used for dispersing light of the LED lamp tube.

As a preferable technical scheme of the utility model, hanging rings are fixedly connected to two sides of the top end of the shell. The hanging ring is used for installing the induction lamp.

As a preferable technical scheme of the utility model, the surfaces of the two hanging rings are both hung with steel wire ropes. And the induction lamp is hung and installed through a steel wire rope.

Compared with the prior art, the utility model has the beneficial effects that:

1. the cost of the air pressure detection technology can be controlled within a RMB, and the response sensitivity of the air pressure detection technology is higher than that of the traditional general air pressure sensor by 400m ² The air pressure detection technology is stronger than a sound control switch in anti-interference as long as a vehicle starts or a garage door is opened in the garage;

2. the frequency of the signal acquired by the air pressure detection technology is smaller than 20Hz, the signal frequency is small, which means that the wavelength of the signal is long, the transmission distance is longer than that of the voice control switch, the air pressure detection and the human body pyroelectric infrared induction are combined, the complementation can be formed on the function application, the movement of the human body can be induced, the air pressure change signal can be induced, and the environment light detection circuit is arranged, so that the air pressure detection and the human body pyroelectric infrared induction trigger only when the environment illumination value is smaller than 40Lux value, and the energy is saved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is a bottom view of the circuit board of the present utility model;

FIG. 4 is a plan view of the air pressure detecting circuit of the present utility model;

FIG. 5 is a system block diagram of the present utility model;

FIG. 6 is a power supply and LED driver circuit of the present utility model;

fig. 7 shows the sensing and MCU master control circuit of the present utility model.

In the figure: 1. a housing; 2. an LED lamp tube; 3. a light-transmitting plate; 4. a human body pyroelectric infrared sensor; 5. a circuit board; 6. a rectifying circuit; 7. an LED constant current driving circuit; 8. an AC detection circuit; 9. a DCTODC circuit; 10. a DC5V voltage stabilizing circuit; 11. an ambient light detection circuit; 12. an air pressure detection circuit; 121. a low pass filter; 122. a second-order low-pass amplifier; 123. a comparator; 13. a potentiometer adjustment circuit; 14. MCU master control circuit; 15. hanging rings; 16. a wire rope.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the utility model provides a two-in-one garage induction lamp based on air pressure and human body heat release infrared induction, which comprises a shell 1, wherein LED lamp tubes 2 are fixedly arranged on two sides of the inner wall of the shell 1 to play a role of illumination, a human body heat release infrared inductor 4 is fixedly arranged at one end of the shell 1 and used for inducing movement of a human body, a circuit board 5 is fixedly connected to the top end of the inner wall of the shell 1, a rectifying circuit 6, an LED constant current driving circuit 7, an AC detection circuit 8 and a DCTODC circuit 9 are sequentially and fixedly arranged on one side of the bottom end of the circuit board 5 from left to right, and a DC5V voltage stabilizing circuit 10, an ambient light detection circuit 11, an air pressure detection circuit 12 and a potentiometer regulating circuit 13 are sequentially and fixedly arranged on the other side of the bottom end of the circuit board 5 from left to right to form the operation of the induction lamp.

When the environment illumination value is smaller than 40Lux, the garage induction lamp detects that the garage door is opened or the automobile enters the garage and detects that a person moves, the lamp is triggered to be lightened, and the induction sensitivity and the lighting time can be adjusted through the potentiometer;

the air pressure detection circuit 12 comprises a low-pass filter 121, a second-order low-pass amplifier 122 and a comparator 123, wherein the low-pass filter 121 is electrically connected with the second-order low-pass amplifier 122, the second-order low-pass amplifier 122 is electrically connected with the comparator 123, air pressure is monitored, and the middle part of the bottom end of the circuit board 5 is fixedly provided with the MCU master control circuit 14 and is controlled by a core;

when the air pressure detection circuit 12 is used, an air pressure signal is converted into an analog voltage signal through the electret capacitor microphone, then an acoustic wave signal with the frequency greater than 20Hz is filtered through a low-pass filter circuit with the frequency of 20Hz, then a weak air pressure electric signal is amplified and filtered again through a second-order low-pass amplifier 122, the amplified analog voltage signal is converted into a digital signal through a comparator 123 and is transmitted to an MCU for processing, when the ambient LUX is smaller than 40LUX, the MCU triggers a lighting lamp when receiving an air pressure triggered voltage signal, the lighting time is set by a potentiometer VR2, and the air pressure sensing sensitivity can be adjusted through VR 1;

the bottom end of the shell 1 is fixedly connected with a light-transmitting plate 3 for divergence, two sides of the top end of the shell 1 are fixedly connected with hanging rings 15, and the surfaces of the two hanging rings 15 are respectively hung with a steel wire rope 16 for installation;

when the LED lamp tube is used, the bottom ends of the two steel wire ropes 16 are hung in the two hanging rings 15 on the induction lamp, the induction lamp is hung, the arranged light-transmitting plate 3 is installed, and the light is softer while the LED lamp tube 2 is protected.

When the utility model is particularly used, the function of the rectification circuit 6 is that AC alternating current is converted into DC direct current with high voltage, the function of the LED constant current driving circuit 7 is that DC 40-90V voltage and 700mA current are output to the LED lamp tube 2, the opening and the opening are controlled by the MCU main control circuit 14, the AC detection circuit 8 converts AC alternating current into square wave signals to be provided for the MCU, the MCU judges the switching times of the AC power switch by detecting the continuity of the square wave signals, switches the AC power switch to be in a normally-ON state twice, which is equivalent to a common lamp, switches the power switch to be turned ON/OFF twice, returns to an energy-saving or induction mode again, the DCTODC circuit 9 converts the rectified high voltage DC12V into low voltage DC, the DC5V voltage stabilizing circuit 10 converts DC12V into DC5V voltage, the infrared sensor 4 converts the detected human pyroelectric infrared signal into a voltage signal, the voltage signal is provided for the MCU to be processed, when the environment LUX is smaller than 40LUX, the MCU receives the voltage signal of the human pyroelectric infrared, the lamp is triggered to be lightened, the lighting time is set by a potentiometer VR2, the ambient light detection circuit 11 converts the ambient illuminance value signal into the voltage signal through a photoresistor or a phototriode, the voltage signal is transmitted to the MCU to judge whether the lamp is enabled to be started, the air pressure detection circuit 12 converts the air pressure signal into an analog voltage signal through an electret capacitor microphone, a low-pass filter circuit of 20Hz is used for filtering the sound wave signal of more than 20Hz, a second-order low-pass amplifier 122 is used for amplifying and filtering the weak air pressure signal again, the amplified analog voltage signal is converted into a digital signal through a comparator 123 and is transmitted to the MCU to be processed, when the ambient LUX is smaller than 40LUX, the MCU receives the voltage signal triggered by the air pressure, the lighting is triggered, the lighting time is set by the potentiometer VR2, the air pressure sensing sensitivity can be adjusted by VR1, and the potentiometer adjusting circuit 13: TIME (VR 2) - > light TIME adjusts 30 seconds ~ 10 minutes, SENSE (VR 3) - > human infrared induction sensitivity adjusts, MODE (VR 4) - > operating MODE adjusts, PIR response alone, air pressure response alone and PIR response and air pressure response simultaneously work, when ambient illuminance value is less than 40Lux value, garage response lamp detects that the garage door is opened or the car is gone into the garage, and detect that the people is moving, will trigger the light, response sensitivity and light TIME can be adjusted through the potentiometre.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Based on atmospheric pressure and human heat release infrared induction two unification garage response lamps, including shell (1), its characterized in that: LED fluorescent tube (2) are fixedly installed on both sides of shell (1) inner wall, the one end fixed mounting of shell (1) has human body pyroelectric infrared inductor (4), the top fixedly connected with circuit board (5) of shell (1) inner wall, one side of circuit board (5) bottom from left to right is fixed mounting in proper order rectifier circuit (6), LED constant current drive circuit (7), AC detection circuit (8) and DCTODC circuit (9), the opposite side of circuit board (5) bottom from left to right is fixed mounting in proper order DC5V voltage stabilizing circuit (10), ambient light detection circuit (11), atmospheric pressure detection circuit (12) and potentiometre regulating circuit (13).

2. The air pressure and human heat release based infrared sensing two-in-one garage sensing lamp according to claim 1, wherein: the air pressure detection circuit (12) includes a low-pass filter (121), a second-order low-pass amplifier (122), and a comparator (123).

3. The air pressure and human heat release based infrared sensing two-in-one garage sensing lamp according to claim 2, wherein: the low-pass filter (121) is electrically connected with the second-order low-pass amplifier (122), and the second-order low-pass amplifier (122) is electrically connected with the comparator (123).

4. The air pressure and human heat release based infrared sensing two-in-one garage sensing lamp according to claim 1, wherein: the middle part of the bottom end of the circuit board (5) is fixedly provided with an MCU main control circuit (14).

5. The air pressure and human heat release based infrared sensing two-in-one garage sensing lamp according to claim 1, wherein: the bottom end of the shell (1) is fixedly connected with a light-transmitting plate (3).

6. The air pressure and human heat release based infrared sensing two-in-one garage sensing lamp according to claim 1, wherein: hanging rings (15) are fixedly connected to two sides of the top end of the shell (1).

7. The air pressure and human heat release based infrared sensing two-in-one garage induction lamp according to claim 6, wherein: the surfaces of the two hanging rings (15) are respectively hung with a steel wire rope (16).