CN209731644U - A kind of Multifunctional LED induction lamp controller - Google Patents

Abstract

The utility model discloses a kind of Multifunctional LEDs to incude lamp controller, including control circuit, the input terminal of control circuit is connected with power supply input circuit, output end is connected with function selector circuit and load output circuit, the output end of function selector circuit is connected with induction module, functional switch S1 inside function selector circuit is adjustable the working method of LED light string, controller has the driving method of inactivity or low-power in the case where induction module noninductive induction signal output, allow client that can freely carry out function selection while circuit structure is simple, without manufacturing and designing two class control circuit boards during producing LED sense light, significantly reduce the cost of production difficulty and production.

Description

A kind of Multifunctional LED induction lamp controller

Technical field

The utility model relates to a kind of LED light control circuit, especially a kind of Multifunctional LED incudes lamp controller.

Background technique

LED sense light has the advantages that energy-saving and environmental protection, long-life, is a kind of bright by induction module automatic control light source The Intelligent lamp to go out is generally used for the public arenas such as passageway for fire apparatus, corridor, mansion and parking lot, but current LED sense light Usually light source is extinguished when nobody or vehicle pass through, puts bright light source (i.e. all lights on and all lights off two after sensing people or vehicle Kind operating mode), which has certain limitation, will lead to the public arenas such as underpass and underground parking Monitoring camera-shooting equipment lacks background light, therefore certain manufacturers can also be according to the requirement of client, the design of operating modes that will be gone out entirely For the glimmer mode of low-power, so that LED sense light needs to manufacture and design during production the increasing of two class control circuit boards Add manufacturer to the input cost of LED sense light, and the patent document in Publication No. " CN202455606U " discloses one Kind microwave induced device, the technical solution used mainly use PWM controller and current constant control chip, in conjunction with accessory power supply, Transistor circuit and dimming controlling module realize the output power height of PWM control IC, and LED lamp is allowed to have glimmer/highlighted Working condition switching, but the technology can make entire sensing device become abnormal complexity, increase the life of entire LED sense light Difficulty is produced, so that the production cycle of entire lamps and lanterns becomes extremely very long.

Summary of the invention

For overcome the deficiencies in the prior art, the utility model provides that a kind of production cost is low, has multiple-working mode Multifunctional LED incude lamp controller.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of Multifunctional LED induction lamp controller, including control circuit, the input terminal of the control circuit are connected with power supply Input circuit, output end are connected with function selector circuit and load output circuit, the output end connection of the function selector circuit There is induction module.

The power supply input circuit includes rectifier bridge DB1, resistance FR1, resistance R10, two pole capacitor C1, capacitor C3 and pressure stabilizing Pipe ZD1；The normal phase input end of the rectifier bridge DB1 connects zero curve by the resistance FR1, and negative-phase input is started to exchange fire line, and cathode is defeated Outlet ground connection, cathode output end pass sequentially through the capacitor C1, capacitor C3 and resistance R10 and meet the rectifier bridge DB1 and the electricity Hold the node of C1；The anode of the zener diode ZD1 connects the node of the resistance R10 Yu the capacitor C3, and cathode connects described The node of capacitor C3 and the capacitor C1.

The control circuit includes main control chip U1, resistance R1, resistance R2, resistance R3 and capacitor C2；The main control chip Four tunnels of 1 pin of U1 point, pass sequentially through the capacitor C2, resistance R2 and resistance R1 all the way and meet the capacitor C1 and the resistance The node of R10, the second tunnel connect 2 pins of the main control chip U1 by the resistance R3, and third road meets the capacitor C1 and institute State the node of zener diode ZD1, the 4th tunnel ground connection；4 pins of the main control chip U1 meet the capacitor C2 and the resistance The node of R2.

The load output circuit includes diode D2, resistance R5, capacitor C4, iron inductance L2 and coad connector JS1； After the resistance R5 is in parallel with the capacitor C4, one end connects the anode of the diode D2 by the iron inductance L2, another Two-way is divided at end, connects the node of the resistance R1 Yu the capacitor C1 all the way, another way connects the cathode of the diode D2；It is described negative 1 pin for carrying connector JS1 connects the node of the capacitor C4 Yu the diode D2, and 2 pins meet the capacitor C4 and the iron The node of core inductance L2.

The function selector circuit includes metal-oxide-semiconductor Q1, triode Q2, resistance RS1, resistance RS2 and functional switch S1；It is described The G of metal-oxide-semiconductor Q1 connects 6 pins of the main control chip U1；The pole D of the metal-oxide-semiconductor Q1 meets the diode D2 and iron core electricity Feel the node of L2；Two-way is divided in the pole S of the metal-oxide-semiconductor Q1, connects the pole C of the triode Q2 by the resistance RS2 all the way, another Road passes sequentially through the pole E that the resistance RS1 and functional switch S1 meets the triode Q2；The pole B of the triode Q2 connects described The control terminal of induction module；The power supply of the induction module terminates the node of the zener diode ZD1 Yu the resistance R10, The ground wire port of the induction module connects the pole E of the triode Q2 and the node of the functional switch S1.

The resistance value of the resistance RS1 is greater than the resistance value of the resistance RS2.

The beneficial effects of the utility model are: the functional switch S1 inside the function selector circuit of the utility model is adjustable The working method of LED light string, controller has inactivity or low-power in the case where induction module noninductive induction signal output Driving method allows client that can freely carry out function selection while circuit structure is simple, without the mistake in production LED sense light Manufacture and design two class control circuit boards in journey, significantly reduces the cost of production difficulty and production.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

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

Specific embodiment

Referring to Fig.1, a kind of Multifunctional LED incudes lamp controller, including control circuit, and the input terminal of the control circuit connects Be connected to power supply input circuit, output end is connected with function selector circuit and load output circuit, the function selector circuit it is defeated Outlet is connected with induction module TR.

At A referring to Fig.1, the power supply input circuit includes rectifier bridge DB1, resistance FR1, resistance R10, capacitor C1, electricity Hold C3 and zener diode ZD1；The normal phase input end of the rectifier bridge DB1 connects zero curve, negative-phase input by the resistance FR1 It starts to exchange fire line, cathode output end ground connection, cathode output end passes sequentially through the capacitor C1, capacitor C3 and resistance R10 and connects the rectification The node of bridge DB1 and the capacitor C1；The anode of the zener diode ZD1 connects the section of the resistance R10 Yu the capacitor C3 Point, cathode connect the node of the capacitor C3 Yu the capacitor C1, after the capacitor C3 is in parallel with the zener diode ZD1 with institute It states the node between resistance R10 and constitutes power supply interception node, provide operating voltage for the induction module TR, while institute can be prevented Surge caused by postorder circuit is impacted in the unstable exchange input for stating power supply input circuit, enhances the resistance to compression of entire controller Ability, the power supply input circuit are mainly used for carrying out rectifying and wave-filtering to AC power source, provide stable direct current for subsequent conditioning circuit Power supply.

At B referring to Fig.1, the control circuit includes main control chip U1 (model XT212), resistance R1, resistance R2, electricity Hinder R3 and capacitor C2；Four tunnels of 1 pin of the main control chip U1 point, pass sequentially through the capacitor C2, resistance R2 and resistance all the way R1 connects the node of the capacitor C1 Yu the resistance R10, and the second tunnel is drawn by 2 that the resistance R3 meets the main control chip U1 Foot, third road connect the node of the capacitor C1 Yu the zener diode ZD1, the 4th tunnel ground connection；Draw the 4 of the main control chip U1 Foot connects the node of the capacitor C2 Yu the resistance R2, and input power signal is mainly converted to LED lamp bead by the control circuit Required voltage and electric current.

At C referring to Fig.1, the load output circuit include diode D2, resistance R5, capacitor C4, iron inductance L2 and Coad connector JS1；After the resistance R5 is in parallel with the capacitor C4, one end connects the diode by the iron inductance L2 The anode of D2, the other end divide two-way, connect the node of the resistance R1 Yu the capacitor C1 all the way, and another way meets the diode D2 Cathode；1 pin of the coad connector JS1 connects the node of the capacitor C4 Yu the diode D2, and 2 pins connect the electricity Hold the node of C4 and the iron inductance L2, the coad connector JS1 is output electric connection terminal, for LED light in succession The positive and negative anodes of the light sources such as pearl, the diode D2, resistance R5, capacitor C4 and iron inductance L2 constitute protective loop, can allow described Load output circuit obtains more smoothly exporting to drive LED lamp bead etc. to load, and can be reduced the power loss of controller, from And transfer efficiency is improved, prevent controller fever impaired.

At D referring to Fig.1, the function selector circuit includes metal-oxide-semiconductor Q1, triode Q2, resistance RS1, resistance RS2 and function It can switch S1；The G of the metal-oxide-semiconductor Q1 connects 6 pins of the main control chip U1；The pole D of the metal-oxide-semiconductor Q1 meets the diode D2 With the node of the iron inductance L2；Two-way is divided in the pole S of the metal-oxide-semiconductor Q1, connects the triode by the resistance RS2 all the way The pole C of Q2, another way pass sequentially through the pole E that the resistance RS1 and functional switch S1 meets the triode Q2；The triode Q2 The pole B connect the control terminal (output control foot) of the induction module TR；The power end (power supply interface) of the induction module TR connects The node of the zener diode ZD1 and the resistance R10, the ground wire port of the induction module TR connect the triode Q2's The node of the pole E and the functional switch S1；The interface of the induction module TR has 3, is VCC respectively, and GND, OUT are (i.e. above-mentioned Power end, ground wire port and control terminal), the induction module TR can select such as infrared, acousto-optic, thunder according to actual installation environment It reaches or the different induction modules such as microwave, it is only necessary to which the circuit of 3 base interfaces and this controller is correspondingly connected with and can directly be made With, make the adaptive capacity to environment of this controller stronger, in the present embodiment, the induction module TR be infrared inductor, model For ST2335；The resistance value of the resistance RS1 is greater than the resistance value of the resistance RS2, the case where the two branch is both turned on Under, the power bracket of the resistance RS1 distribution is within 5%-10%, and the power bracket of the resistance RS2 distribution is in 90%- Within 95%.

In a particular embodiment, controller can adjust the operating mode of LED light string by functional switch S1, work as functional switch When S1 is connected (at the D of Fig. 1, the 2 of functional switch S1 are connected with 3 ports), the branch of resistance RS1 accesses circuit, is incuding When module TR does not provide inductive signal (i.e. nobody or without move vehicle), the branch conducting of only resistance RS1, at LED light string In glimmer state, (people or move vehicle are sensed) when induction module TR provides inductive signal, triode Q2 conducting, resistance The branch of RS2 accesses circuit.

When functional switch S1 is disconnected (at the D of Fig. 1, the 1 of functional switch S1 is connected with 2 ports), the branch of resistance RS1 Road disconnects, and when induction module TR does not provide inductive signal, entire circuit does not work, controller not output driving power supply, this When LED light be in dormant state, when induction module TR provides inductive signal, triode Q2 conducting, LED light is by the full function of controller Rate driving, is in light state, facilitates client that can freely select the working method of controller, nothing while circuit structure is simple Two class control circuit boards need to be manufactured and designed during producing LED sense light, allow LED lamp for the same of a variety of operating modes When reduce production difficulty.

Above embodiment cannot limit the protection scope of the invention, and the personnel of professional skill field are not departing from In the case where the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered Within.

Claims (6)

1. a kind of Multifunctional LED incudes lamp controller, including control circuit, it is characterised in that the input terminal of the control circuit connects Be connected to power supply input circuit, output end is connected with function selector circuit and load output circuit, the function selector circuit it is defeated Outlet is connected with induction module.

2. Multifunctional LED according to claim 1 incudes lamp controller, it is characterised in that the power supply input circuit includes Rectifier bridge DB1, resistance FR1, resistance R10, capacitor C1, capacitor C3 and zener diode ZD1；The positive of the rectifier bridge DB1 is defeated Enter end and zero curve is connect by the resistance FR1, negative-phase input is started to exchange fire line, and cathode output end is grounded, and cathode output end passes sequentially through The capacitor C1, capacitor C3 and resistance R10 connect the node of the rectifier bridge DB1 Yu the capacitor C1；The zener diode ZD1 Anode connect the node of the resistance R10 Yu the capacitor C3, cathode connects the node of the capacitor C3 Yu the capacitor C1.

3. Multifunctional LED according to claim 2 incudes lamp controller, it is characterised in that the control circuit includes master control Chip U1, resistance R1, resistance R2, resistance R3 and capacitor C2；Four tunnels of 1 pin of the main control chip U1 point, pass sequentially through all the way The capacitor C2, resistance R2 and resistance R1 connect the node of the capacitor C1 Yu the resistance R10, and the second tunnel passes through the resistance R3 2 pins of the main control chip U1 are connect, third road connects the node of the capacitor C1 Yu the zener diode ZD1, and the 4th tunnel connects Ground；4 pins of the main control chip U1 connect the node of the capacitor C2 Yu the resistance R2.

4. Multifunctional LED according to claim 3 incudes lamp controller, it is characterised in that the load output circuit includes Diode D2, resistance R5, capacitor C4, iron inductance L2 and coad connector JS1；The resistance R5 is in parallel with the capacitor C4 Afterwards, one end connects the anode of the diode D2 by the iron inductance L2, and the other end divides two-way, connect all the way the resistance R1 with The node of the capacitor C1, another way connect the cathode of the diode D2；1 pin of the coad connector JS1 connects the electricity Hold the node of C4 and the diode D2,2 pins connect the node of the capacitor C4 Yu the iron inductance L2.

5. Multifunctional LED according to claim 4 incudes lamp controller, it is characterised in that the function selector circuit includes Metal-oxide-semiconductor Q1, triode Q2, resistance RS1, resistance RS2 and functional switch S1；The G of the metal-oxide-semiconductor Q1 connects the main control chip U1's 6 pins；The pole D of the metal-oxide-semiconductor Q1 connects the node of the diode D2 Yu the iron inductance L2；The pole S of the metal-oxide-semiconductor Q1 point Two-way connects the pole C of the triode Q2 by the resistance RS2 all the way, and another way passes sequentially through the resistance RS1 and function is opened Close the pole E that S1 meets the triode Q2；The pole B of the triode Q2 connects the control terminal of the induction module；The induction module Power supply terminate the node of the zener diode ZD1 Yu the resistance R10, the ground wire port of the induction module connects described three The node of the pole E of pole pipe Q2 and the functional switch S1.

6. Multifunctional LED according to claim 5 incudes lamp controller, it is characterised in that the resistance value of the resistance RS1 is big In the resistance value of the resistance RS2.