CN203467001U

CN203467001U - Emergency induction LED lamp

Info

Publication number: CN203467001U
Application number: CN201320301176.1U
Authority: CN
Inventors: 洪冲祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-05-29
Filing date: 2013-05-29
Publication date: 2014-03-05
Anticipated expiration: 2023-05-29

Abstract

An emergency induction LED lamp comprises a battery, an LED lamp board and a circuit board; the circuit board is provided with a bridge rectifier circuit, a switching power supply buck circuit, a single chip microcomputer detection control circuit, a charging circuit, a discharge circuit and a boost circuit; the bridge rectifier circuit provides power for the input end of the switching power supply buck circuit; one output end of the switching power supply buck circuit is connected with the single chip microcomputer detection control circuit through a voltage stabilizing circuit, and the other output end of the switching power supply buck circuit is connected with the battery through the charging circuit; the single chip microcomputer detection control circuit is connected with the LED lamp board directly through the boost circuit; and the battery is connected with the LED lamp board through the discharge circuit and the boost circuit. According to the emergency induction LED lamp of the utility model, the LED lamp board is directly powered by commercial power when the commercial power is normal; only when power outage occurs or voltage is too low, the LED lamp board is powered by the battery, and therefore, emergency lighting can be realized; and since the times of the discharge of the battery is decreased, the service life of the battery is greatly prolonged.

Description

Emergent induction LED lamp

Technical field

The utility model relates to a kind of for having the sense light of emergency function, specifically a kind of emergency lighting LED lamp that has light-inductive, acoustic control induction or heat to release infrared induction.

Background technology

LED sense light is a kind of by the bright a kind of intelligent lighting product of induction module automatic control light source point, mainly by light-inductive, acoustic control induction or heat, releases infrared induction.But LED sense light in the market seldom has function of emergency illumination, once run into the situations such as power failure, easily occur dangerous.Patent Office of the People's Republic of China is disclosed on March 13rd, 2013, the patent No. be " ZL201220511502's " " a kind of emergent induction LED lamp ", it comprises: power circuit, power-off circuit for detecting, receive power-off detection signal power supply switch circuit, charging circuit, pyroelectric sensing circuit, LED drive circuit, regularly detect function of emergency illumination and whether show normally measuring ability circuit and LED lamp; Described power circuit be linked in sequence power-off circuit for detecting, power supply switch circuit, charging circuit and pyroelectric sensing circuit; Described pyroelectric sensing circuit is connected with described LED drive circuit; Described charging circuit is connected with described demonstration measuring ability circuit; Described LED drive circuit connects described LED lamp.Although this LED lamp has function of emergency illumination, when civil power is normal, as long as LED lamp is lighted, battery will discharge, and because battery discharge number of times is limited, can reduce the life-span of battery after multiple discharge.

Utility model content

The purpose of this utility model is for the defect of above-mentioned prior art and deficiency, for people provide a kind of emergent induction LED lamp that can extend battery.

Technical solution adopted in the utility model is for achieving the above object: this emergent induction LED lamp, it comprises battery, LED lamp plate and circuit board, on described circuit board, be provided with bridge rectifier, Switching Power Supply reduction voltage circuit, single-chip microcomputer detection control circuit, charging circuit, discharge circuit and booster circuit, the supplying power for input end of described bridge rectifier to Switching Power Supply reduction voltage circuit, an output of Switching Power Supply reduction voltage circuit is connected by detecting control circuit with single-chip microcomputer after voltage stabilizing circuit, and the other end is connected with battery by after charging circuit; Described single-chip microcomputer detects control circuit and directly by booster circuit, is connected with LED lamp plate, the input that single-chip microcomputer detects control circuit is connected with photosensitive detection circuit, photosensitive detection circuit feeds back photosensitive detection signal in single-chip microcomputer and detects control circuit, can directly control LED lamp plate and light when single-chip microcomputer detects control circuit energising; Described battery by discharge circuit with after booster circuit, be connected with LED lamp plate, discharge circuit also detects control circuit with single-chip microcomputer and is connected; Automatic operation when discharge circuit detects single chip machine controlling circuit no power, controls LED lamp plate and lights.

The input that described single-chip microcomputer detects control circuit is connected with sound detection circuit, and sound detection circuit feeds back sound detection signals in single-chip microcomputer and detects control circuit.

The input that described single-chip microcomputer detects control circuit is connected with infrared circuit, and infrared circuit is released detection signal by heat and fed back in single-chip microcomputer detection control circuit.

On described wiring board, be also provided with the termination circuit being connected with battery, termination circuit detect battery be full of rear control charging circuit stop charging.

Described bridge rectifier is connected with civil power by after EMC filter circuit.

Described voltage stabilizing circuit adopts three terminal regulator.

The utility model, when civil power is normal, is directly powered to LED lamp plate by civil power, and single-chip microcomputer detection control circuit just can be controlled LED lamp plate and light.It is dimmed that photosensitive detection circuit can detect light by light-sensitive element, and photosensor signal is fed back in single-chip microcomputer and detects control circuit.The extraneous sound that sound detection circuit can detect by microphone, and voice signal is fed back in single-chip microcomputer and detects control circuit.Infrared circuit can be released infrared perceptron by heat and thermal change be detected, when human body near time pyroelectric signal can be fed back in single-chip microcomputer and detect control circuit.Only when power failure or brownout, just turn by battery LED lamp plate is powered, thereby realize emergency lighting.Owing to having reduced the discharge time of battery, greatly increased the useful life of battery.

Accompanying drawing explanation

Fig. 1 is circuit block diagram of the present utility model.

Fig. 2 is main circuit diagram of the present utility model.

Fig. 3 is photosensitive detection circuit figure of the present utility model.

Fig. 4 is the winding diagram of photosensitive detection circuit of the present utility model.

Fig. 5 is the utility model single-chip microcomputer winding diagram.

Fig. 6 is three terminal regulator winding diagram of the present utility model.

Fig. 7 sound detection circuit figure of the present utility model.

Fig. 8 is discharge circuit figure of the present utility model.

Fig. 9 is the utility model infrared circuit figure.

Embodiment

As shown in Figure 1, the utility model is a kind of emergent induction LED lamp, it comprises battery 10, LED lamp plate 14 and circuit board, is provided with bridge rectifier 2, Switching Power Supply reduction voltage circuit 3, single-chip microcomputer detection control circuit 8, charging circuit 11, discharge circuit 9 and booster circuit 13 on described circuit board.Described bridge rectifier 2 is connected with civil power by after EMC filter circuit 1, is used for suppressing because of radiation and conducts caused from outside electromagnetic interference.

The supplying power for input end of described 2 pairs of Switching Power Supply reduction voltage circuits 3 of bridge rectifier, an output of Switching Power Supply reduction voltage circuit 3 is connected by detecting control circuit 8 with single-chip microcomputer after voltage stabilizing circuit 4, the other end is connected with battery 10 by after charging circuit 11, can to single-chip microcomputer, detect control circuit 8 and battery 10 power supplies respectively.Described voltage stabilizing circuit 4 adopts three terminal regulator, and three terminal regulator only has three leading-out terminals, and outward element is few, easy to use, stable performance.

Described single-chip microcomputer detects control circuit 8 and directly by booster circuit 13, is connected with LED lamp plate 14, can directly control LED lamp plate 14 and light when single-chip microcomputer detects control circuit 8 energising.The input that described single-chip microcomputer detects control circuit 8 is connected with photosensitive detection circuit 5, and it is dimmed that photosensitive detection circuit 5 can detect light by light-sensitive element, and photosensor signal is fed back in single-chip microcomputer and detects control circuit 8.The input that described single-chip microcomputer detects control circuit 8 is also connected with sound detection circuit 6, the extraneous sound that sound detection circuit 6 can detect by microphone, and voice signal is fed back in single-chip microcomputer and detects control circuit 8.The input that described single-chip microcomputer detects control circuit 8 can also connect infrared circuit 7, and infrared circuit 7 can be released infrared perceptron by heat and thermal change be detected, when human body near time pyroelectric signal can be fed back in single-chip microcomputer and detect control circuit 8.

Described battery 10 passes through discharge circuit 9 and is connected with LED lamp plate 14 after booster circuit 13, and discharge circuit 9 also detects control circuit 10 with single-chip microcomputer and is connected.Automatic operation when discharge circuit 9 detects single chip machine controlling circuit 8 no power, controls LED lamp plate 14 and lights, and plays the effect of emergency lighting.On described wiring board, be also provided with the termination circuit 12 being connected with battery 10, termination circuit 12 detect battery be full of rear control charging circuit 11 stop charging, thereby protection battery 10.

As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9:

1. EMC filter circuit 1 is comprised of elements such as capacitor C 23, capacitor C 24, inductance ZR1.Be used for suppressing caused from outside electromagnetic interference with conduction because of radiation, do not affect this circuit working; The high-frequency interferencing signal simultaneously being produced by this inside circuit also obstructed overshoot and conduction pattern causes interference to other electric equipment in same environment, to reach electromagnetic compatibility.

2. bridge rectifier 2 utilizes the unidirectional general character of diode T2 to carry out rectification, changes alternating current into direct current.

3. Switching Power Supply reduction voltage circuit 3 is comprised of Switching Power Supply U1 and reducing transformer U3 and related elements, Switching Power Supply U1 belongs to high efficiency, small-power inverse-excitation type switch power-supply, it converts civil power required direct voltage to battery 10 charging and to single-chip microcomputer, detect the subsequent conditioning circuits such as control circuit 8 provides operating voltage, by after reducing transformer U3 step-down to going out suitable voltage.

4. voltage stabilizing circuit 4 is comprised of three terminal regulator U5 and diode T1 etc., keeps the constant voltage of output.

5. single-chip microcomputer detects control circuit 8 to select model is the single-chip microcomputer of STC12C5201AD.

6, photosensitive detection circuit 5 is comprised of light-sensitive element D24, capacitor C 21 etc., and photosensitive detection circuit 5 is connected with single-chip microcomputer by the 4PIN socket of JI, wherein 1 pin of 4PIN socket and 12 pin of single-chip microcomputer are connected, and

4PIN socket

2,3 pin are connected with 2,3 pin of single-chip microcomputer, 4 pin ground connection of 4PIN socket.It is dimmed that photosensitive detection circuit 5 can detect light by light-sensitive element D24, and photosensor signal is fed back in single-chip microcomputer and detects control circuit 8.

7, sound detection circuit 6 comprises the elements such as microphone MIC1, transistor Q2, Q3, and is connected with 11 pin of single-chip microcomputer, the extraneous sound that sound detection circuit 6 can detect by microphone, and voice signal is fed back in single-chip microcomputer and detects control circuit 8.

8, infrared circuit 7 comprises that heat releases infrared inductor RE1, infrared thermal release electric process chip U2 and related elements, can replace sound detection circuit 6 to be connected with 11 pin of single-chip microcomputer, infrared circuit 7 can be released infrared perceptron RE1 by heat and thermal change be detected, when human body near time pyroelectric signal can be fed back in single-chip microcomputer and detect control circuit 8.

9, charging circuit 11 is comprised of elements such as photoelectrical coupler U4, crystal diode D5, D6, D9, and battery 10 is charged.

10. discharge circuit 9 is comprised of capacitor C 22, transistor Q1, Q4, crystal diode D8, D10, D11, D14, D15 and relevant resistance.D15 is connected with 15 pin of single-chip microcomputer, and when single-chip microcomputer detects control circuit 8 energising, discharge circuit 9 is in self-locking operating state, when the unexpected cut-off switch power supply of civil power Non voltage output, because capacitor C 22 has energy storage function, so still positively biased conducting of Q1, Q4, thereby to 14 power supplies of LED lamp plate.

Claims

1. an emergent induction LED lamp, it comprises battery (10), LED lamp plate (14) and circuit board, on described circuit board, be provided with bridge rectifier (2), Switching Power Supply reduction voltage circuit (3), single-chip microcomputer detects control circuit (8), charging circuit (11), discharge circuit (9) and booster circuit (13), it is characterized in that the supplying power for input end of described bridge rectifier (2) to Switching Power Supply reduction voltage circuit (2), an output of Switching Power Supply reduction voltage circuit (3) is connected by detecting control circuit (8) with single-chip microcomputer after voltage stabilizing circuit (4), the other end is connected with battery (10) by after charging circuit (11), described single-chip microcomputer detects control circuit (8) and directly by booster circuit (13), is connected with LED lamp plate (14), the input that single-chip microcomputer detects control circuit (8) is connected with photosensitive detection circuit (5), photosensitive detection circuit (5) feeds back photosensitive detection signal in single-chip microcomputer and detects control circuit (8), can directly control LED lamp plate (14) and light when single-chip microcomputer detects control circuit (8) energising, described battery (10) is connected with LED lamp plate (14) with after booster circuit (13) by discharge circuit (9), and discharge circuit (9) also detects control circuit (10) with single-chip microcomputer and is connected, automatic operation when discharge circuit (9) detects single chip machine controlling circuit (8) no power, controls LED lamp plate (14) and lights.

2. emergent induction LED lamp according to claim 1, the input that it is characterized in that described single-chip microcomputer detection control circuit (8) is connected with sound detection circuit (6), and sound detection circuit (6) feeds back sound detection signals in single-chip microcomputer and detects control circuit (8).

3. emergent induction LED lamp according to claim 1, the input that it is characterized in that described single-chip microcomputer detection control circuit (8) is connected with infrared circuit (7), and infrared circuit (7) is released detection signal by heat and fed back in single-chip microcomputer detection control circuit (8).

4. according to the emergent induction LED lamp described in claim 1 or 2 or 3, it is characterized in that being also provided with the termination circuit (12) being connected with battery (10) on described wiring board, termination circuit (12) detects battery (12) and is full of rear control charging circuit (11) and stops charging.

5. emergent induction LED lamp according to claim 4, is characterized in that described bridge rectifier (2) is connected with civil power by after EMC filter circuit (1).

6. emergent induction LED lamp according to claim 5, is characterized in that described voltage stabilizing circuit (4) adopts three terminal regulator.