CN202419341U

CN202419341U - Passage lamp with infrared detecting function

Info

Publication number: CN202419341U
Application number: CN2011204642466U
Authority: CN
Inventors: 陈宇弘; 胡勋瑜; 胡海涛
Original assignee: Guangdong Bright Vision Optoelectronic Technology Co Ltd
Current assignee: Guangdong Bright Vision Optoelectronic Technology Co Ltd
Priority date: 2011-11-21
Filing date: 2011-11-21
Publication date: 2012-09-05
Anticipated expiration: 2021-11-21

Abstract

The utility model discloses a passage lamp with an infrared detecting function, and aims to provide an energy-saving passage lamp. The passage lamp with the infrared detecting function comprises a shell, an LED module, an infrared detecting device and a controller, wherein the LED module is arranged in the shell, the infrared detecting device is arranged on the shell and transmits a control signal after sensing human infrared information, and the controller is electrically connected with the infrared detecting device and the LED module and lightens the LED module according to the control signal. The passage lamp can be used for a parking passage of a parking lot.

Description

A kind of aisle light with infrared acquisition function

Technical field

The utility model relates to aisle light, especially relates to a kind of aisle light with infrared acquisition function.

Background technology

Nowadays, all being provided with aisle light realizes the illumination to passage usually in the passage in parking lot.Existing aisle light all is Chang Liang usually, perhaps secretly light to a certain degree the time, passage is bright extinguishes to a certain degree the time at passage, as light evening, extinguish daytime etc.But, when existing aisle light is lighted,, all be to light with constant brightness usually no matter whether people's process is arranged always, power consumption is bigger.

The utility model content

When the utility model is lighted in order to solve the prior art aisle light, no matter whether people's process is arranged, all be to light with constant brightness usually, the technical problem that power consumption is bigger provides a kind of aisle light with infrared acquisition function always.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is a kind of aisle light with infrared acquisition function of design; Comprise housing and the LED module that places in the housing, said aisle light with infrared acquisition function comprises that also one is arranged on the infrared detection device that on the housing and after sensing the human body infrared information, sends a control signal and is electrical connected with said infrared detection device and LED module and lights the controller of said LED module according to said control signal.

Said housing comprises lampshade, reflecting piece, heat-dissipating casing and end cap, and said lampshade, reflecting piece and heat-dissipating casing are arranged from front to back successively, the two ends that said end cap is located at said heat-dissipating casing two ends and is entangled said lampshade and heat-dissipating casing; Said lampshade is made up of two sub-lampshades; Said infrared detection device comprise be arranged between the two sub-lampshades and with said heat-dissipating casing buckle be connected and push down two sub-lampshade abutting ends the electrical equipment box, be fixed on the Infrared Detectors in the electrical equipment box and be arranged on the Fresnel Lenses in the electrical equipment box outside, said Infrared Detectors and said controller are electrical connected.

Said controller comprises the telecommunication circuit that communicates with external network and the filter amplification circuit that is connected successively, comparison circuit, single-chip microcomputer and led drive circuit; Said telecommunication circuit links to each other with said single-chip microcomputer; The output of said led drive circuit links to each other with said LED module; The input of said filter amplification circuit links to each other with said infrared detection device; It delivers to comparison circuit relatively after receiving said control signal and filtering amplification; Send enable signal to single-chip microcomputer when the comparison circuit acknowledgement control signal is effective and drive single-chip microcomputer work, single-chip microcomputer has people's feedback information through telecommunication circuit to the external network sendaisle, adjusts the brightness of the dutycycle adjustment LED module of led drive circuit pwm signal simultaneously.

The utility model is surveyed human body information through infrared detection device is set on aisle light, thereby can when having the people movable, light aisle light, and nobody the time closing passage lamp, practiced thrift electric energy.

Description of drawings

Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:

Fig. 1 is the three-dimensional combination figure that the utlity model has the aisle light of infrared acquisition function;

Fig. 2 is the three-dimensional exploded view that the utlity model has the aisle light of infrared acquisition function;

Fig. 3 is the circuit theory diagrams of controller that the utlity model has the aisle light of infrared acquisition function;

Fig. 4 is the control circuit circuit diagram of a specific embodiment of the utility model controller;

Fig. 5 is the led drive circuit circuit diagram of a specific embodiment of the utility model controller.

The specific embodiment

See also Fig. 1 and Fig. 2.The aisle light that the utlity model has the infrared acquisition function comprises housing 1, LED module 2, infrared detection device 3 and controller (not shown).Wherein:

Housing 1 comprises lampshade 11, reflecting piece 12, heat-dissipating casing 13 and end cap 14.Lampshade 11, reflecting piece 12 and heat-dissipating casing 13 are arranged from front to back successively, the two ends that end cap 14 is located at said heat-dissipating casing two ends and is entangled said lampshade and heat-dissipating casing; Said lampshade 11 is made up of two sub-lampshades 111.

LED module 2 places in the housing.In this specific embodiment, the LED module is made up of the LED luminescence chip of 4 and 8 strings, and after led drive circuit provided the DC voltage-stabilizing signal, what the LED module will be according to DC voltage was big or small luminous, realizes throwing light on.

Infrared detection device 3 is arranged on the housing and after sensing the human body infrared information, sends a control signal, and it comprises and is arranged between the two sub-lampshades and is connected and pushes down the electrical equipment box 31 of two sub-lampshade abutting ends, the Fresnel Lenses 33 that is fixed on the Infrared Detectors 32 in the electrical equipment box and is arranged on the electrical equipment box outside with said heat-dissipating casing buckle.Infrared Detectors and said controller are electrical connected.When having people movable near the infrared sniffer; The intensity of the infra-red radiation that infrared detection device receives will change; Infrared inductor can change the variation that converts level into infrared intensity, and infrared detection device can send to controller with this signal.Fresnel Lenses can be assembled, amplify by the infra-red radiation that human body is faint.

Controller and said infrared detection device and LED module are electrical connected and light said LED module according to said control signal.

See also Fig. 3.Controller comprises the telecommunication circuit that communicates with external network and the filter amplification circuit that is connected successively, comparison circuit, single-chip microcomputer and led drive circuit; Said telecommunication circuit links to each other with said single-chip microcomputer; The output of said led drive circuit links to each other with said LED module; The input of said filter amplification circuit links to each other with said infrared detection device; It delivers to comparison circuit relatively after receiving said control signal and filtering amplification; Send enable signal to single-chip microcomputer when the comparison circuit acknowledgement control signal is effective and drive single-chip microcomputer work, single-chip microcomputer has people's feedback information through telecommunication circuit to the external network sendaisle, adjusts the brightness of the dutycycle adjustment LED module of led drive circuit pwm signal simultaneously.Wherein, telecommunication circuit, filter amplification circuit, comparison circuit and single-chip microcomputer constitute control circuit.

After the telecommunication circuit transmission came request signal, single-chip microcomputer was sent to telecommunication circuit with the parking stall occupied information, after information is encoded, was sent to bus network, answered.Simultaneously, when there is personnel movement in single-chip microcomputer near confirming, can change the dutycycle of its pin pwm signal output, then pwm signal is passed to led drive circuit.

Led drive circuit carries out voltage transitions to the common civil power that the outside connects, and with rectifier bridge external civil power is carried out rectification earlier, utilizes transformer and transformation chip to carry out the PWM pressure regulation then, and civil power is become the galvanic current pressure that the illumination of capable for LED lamp is used.Under the situation that does not have the parking stall to change, the PWM regulating impulse dutycycle of led drive circuit is less, and output voltage is lower, thereby saves unnecessary energy resource consumption.After infrared sniffer detects parking stall occupancy variation; Single-chip microcomputer will be exported one group of dutycycle and become big PWM regulating impulse continuously; And be sent to the control chip of led drive circuit; After led drive circuit received this PWM regulating impulse, its output voltage can become big greatly according to the change of PWM regulating impulse dutycycle, thereby the brightness of driving LED module changes.

See also Fig. 4.This figure is a specific embodiment circuit diagram of the control circuit of controller.

Behind near the infrared movable signal of the infrared thermal release electric of infrared detection device receiving, through capacitor C 4 with the flip-flop filtering in the signal, in the high frequency clutter filtering that utilizes capacitor C 1, capacitor C 2 with signal.Then signal is amplified through the signal amplification circuit that resistance R 4, resistance R 5, resistance R 6, resistance R 8, capacitor C 7 and operational amplifier LM324 form.The comparison circuit of signal after will amplifying again through forming by resistance R 9, resistance R 10, resistance R 11, resistance R 12, resistance R 13 and operational amplifier LM324; When signal is excessive, the level that signal amplification circuit outputs to the pin P6.1 of single-chip microcomputer U1 will overturn.Single-chip microcomputer U1 handles the upset level of P6.1, and whether the personnel activity is arranged near the judgement, stores single-chip microcomputer inside into.

When the transmission of external bus signal comes; Carry out rectification through switching diode D3, switching diode D14; Decode through resistance R 7, resistance R 26, voltage-stabiliser tube D6, resistance R 24, triode Q2 then; Information is passed to the P5.6 pin of single-chip microcomputer U1 with the mode of high-low level, after single-chip microcomputer reads the information of transmitting, according to the internal processes executable operations.When information was returned bus network, single-chip microcomputer U1 was passed to the P5.2 pin with information with high-low level, controlled the coding circuit of triode Q1, resistance R 23 compositions then, was bus signals with information translation, was sent to bus network.

Simultaneously, when near single-chip microcomputer U1 confirms, having the personnel activity, single-chip microcomputer U1 will regulate the dutycycle of PWM output simultaneously through 4 pin of pin P5.7 output pwm signal to the LED constant current control chip BP3108 of Fig. 5.

The dc pulse signal that telecommunication circuit transmits bus network carries out voltage through 7150 chip U3 and transforms, and carries out voltage stabilizing through capacitor C 14, capacitor C 15, exports stable 5V DC voltage, supplies with other each several part circuit and uses.

See also Fig. 5.This figure is an embodiment circuit diagram of led drive circuit.

Led drive circuit is connected with the 220V electric main; Civil power is earlier through protective tube F1 and piezo-resistance VZ1; Prevent the too high power supply that burns of external voltage, carry out rectification through rectifier bridge DB1 then, the direct current signal after utilizing inductance L D1, capacitor C E1, capacitor C E2 to rectification again carries out voltage regulation filtering.Devices such as LED constant current control chip BP3108 and transformer T1, triode Q1 are formed the PWM regulating circuit.After the high direct voltage signal is delivered to transformer T1 primary coil, will determine the output voltage of secondary coil by the pwm signal that the 4th pin of LED constant current control chip BP3108 is imported.The 4th pin of LED constant current control chip BP3108 is connected to the single-chip microcomputer U1 among Fig. 4 after through optocoupler U2.The dc low-voltage of the secondary coil of transformer T1 output offers the LED module after through voltage regulation filterings such as diode D4, diode D5 and capacitor C E3.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims

1. aisle light with infrared acquisition function; Comprise housing and the LED module that places in the housing, it is characterized in that: said aisle light with infrared acquisition function comprises that also one is arranged on the infrared detection device that on the housing and after sensing the human body infrared information, sends a control signal and is electrical connected with said infrared detection device and LED module and lights the controller of said LED module according to said control signal.

2. the aisle light with infrared acquisition function according to claim 1; It is characterized in that: said housing comprises lampshade, reflecting piece, heat-dissipating casing and end cap; Said lampshade, reflecting piece and heat-dissipating casing are arranged from front to back successively, the two ends that said end cap is located at said heat-dissipating casing two ends and is entangled said lampshade and heat-dissipating casing; Said lampshade is made up of two sub-lampshades; Said infrared detection device comprise be arranged between the two sub-lampshades and with said heat-dissipating casing buckle be connected and push down two sub-lampshade abutting ends the electrical equipment box, be fixed on the Infrared Detectors in the electrical equipment box and be arranged on the Fresnel Lenses in the electrical equipment box outside, said Infrared Detectors and said controller are electrical connected.

3. the aisle light with infrared acquisition function according to claim 1; It is characterized in that: said controller comprises the telecommunication circuit that communicates with external network and the filter amplification circuit that is connected successively, comparison circuit, single-chip microcomputer and led drive circuit; Said telecommunication circuit links to each other with said single-chip microcomputer; The output of said led drive circuit links to each other with said LED module; The input of said filter amplification circuit links to each other with said infrared detection device, and it delivers to comparison circuit relatively after receiving said control signal and filtering amplification, sends enable signal to single-chip microcomputer when the comparison circuit acknowledgement control signal is effective and drives single-chip microcomputer work; Single-chip microcomputer has people's feedback information through telecommunication circuit to the external network sendaisle, adjusts the brightness of the dutycycle adjustment LED module of led drive circuit pwm signal simultaneously.