CN209448925U - Incude lamp control circuit - Google Patents

Abstract

The utility model discloses a kind of induction lamp control circuit comprising power module, induction module and LED load, one end of induction module are electrically connected one end of power module；One end of LED load is electrically connected the other end of power module, and the other end is electrically connected the other end of induction module；Wherein, induction module includes induction control chip and inductive head, and one end of induction control chip is electrically connected one end of power module；One end of inductive head is electrically connected the other end of induction control chip, and the other end is electrically connected the other end of LED load.The signal that the induction lamp control circuit of the utility model passes through induction control chip reception inductive head exports high level or low level to LED load power supply or stops powering, and realizes that it is lighted or extinguishes, reaches use and light, without using the purpose of closing, to save electric energy.

Description

Incude lamp control circuit

Technical field

The utility model relates to incude lamp control circuit technical field, and in particular, to a kind of induction lamp control circuit.

Background technique

Existing inductive lighting lamp, when usually close by infrared sensor induction human body, the control lamp that signals is opened Illumination, but do not need unlatching headlamp when the bright degree of external environment (such as daytime) is stronger and illuminated, this is just Cause waste of energy.

Utility model content

In view of the deficiencies of the prior art, the utility model discloses a kind of induction lamp control circuit comprising: power module, Induction module and LED load, the one end for incuding mould are electrically connected one end of power module；One end of LED load is electrically connected electricity The other end of source module, the other end are electrically connected the other end of induction module；

Wherein, induction module includes induction control chip and inductive head, and one end of induction control chip is electrically connected power supply One end of module；One end of inductive head is electrically connected the other end of induction control chip, and the other end is electrically connected LED load The other end.

An embodiment according to the present utility model, above-mentioned induction module further include voltage-stablizer, first capacitor, the second electricity Appearance, the 6th capacitor, the first triode, the second triode and third transistor；The input terminal of voltage-stablizer is electrically connected power module One end, output end be electrically connected induction control chip input terminal；First capacitor and the second capacitor are parallel to pressure stabilizing respectively Between device and induction control chip；One end of 6th capacitor is electrically connected inductive head, and the other end is electrically connected third transistor Base stage；The collector of first triode is electrically connected inductive head, and base stage is electrically connected inductive head, and emitter is electrical respectively Connect one end and the induction control chip of power module；The base stage of second triode is electrically connected induction control chip, transmitting Pole is electrically connected base stage and the end GND of the second triode simultaneously, and collector is electrically connected the other end of LED load；Three or three The collector of pole pipe is electrically connected induction control chip, and emitter is electrically connected the other end of the 6th capacitor.

An embodiment according to the present utility model, above-mentioned power module include for being electrically connected battery two-port The end BAT+ and the end BAT-, charhing unit and charge protection unit；Charhing unit is electrically connected at the one of the end BAT+ and LED load End；Charge protection unit is electrically connected the other end of the end BAT+, the end BAT- and LED load.

An embodiment according to the present utility model, above-mentioned charhing unit include charging input end, the first indicator light, second Indicator light, the 7th capacitor, the 9th capacitor and charging chip；First indicator light and the second indicator light are electrically connected at charging input end Between charging chip；7th capacitor is parallel to charging chip, and one end is electrically connected the one of the end BAT+ and LED load simultaneously End；9th capacitor is parallel to charging chip；Charging chip is electrically connected one end of the end BAT+ and LED load.

An embodiment according to the present utility model, above-mentioned charge protection unit include that charge protection chip and charge and discharge are automatically controlled Coremaking piece；

The vdd terminal of charge protection chip is electrically connected the end BAT+ by the 4th resistance；The vdd terminal of charge protection chip with The end VSS is electrically connected by third capacitor；The end BAT-, charge and discharge control core is electrically connected in the end VSS of charge protection chip 2nd end S1 of piece and the end G1；The end OC of charge protection chip is electrically connected charge and discharge control chip；The OD of charge protection chip End is electrically connected charge and discharge control chip；

The first end S1 and the first end S2 of charge and discharge control chip are electrically connected by rectifier diode；Charge and discharge control core 2nd end S2 of piece and the end G2 are electrically connected the end CSI of charge protection chip by the 5th resistance.

An embodiment according to the present utility model, above-mentioned induction lamp control circuit further include control switch, control switch It is electrically connected between the end BAT+ and induction module.

An embodiment according to the present utility model, above-mentioned induction lamp control circuit, which is characterized in that further include the 4th electricity Hold and the 5th capacitor, the 4th capacitor and the 5th capacitor difference are in parallel between power module and induction module.

The utility model has the following beneficial effects: the induction lamp control circuit of the utility model is received by induction control chip The signal output high level or low level of inductive head power to LED load or stop powering, and realize that it is lighted or extinguishes, reaching makes With lighting, without using the purpose of closing, to save electric energy.

Detailed description of the invention

The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:

Fig. 1 is the circuit diagram that lamp control circuit is incuded in the utility model embodiment.

Specific embodiment

Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution Conjunction is not present, also not within the protection scope of the requires of the utility model.

For the contents, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates attached drawing Detailed description are as follows:

Fig. 1 is please referred to, is the circuit diagram for incuding lamp control circuit in the utility model embodiment.As shown, this Shen Induction lamp control circuit please includes: power module 1, induction module 2 and LED load 3, and one end of induction module 2 is electrically connected One end of power module 1；One end of LED load 3 is electrically connected the other end of power module 1, and the other end is electrically connected induction The other end of module 2；Wherein, induction module 2 includes induction control chip U3 and inductive head U4, one end of induction control chip U3 It is electrically connected one end of power module 1；One end of inductive head U4 is electrically connected the other end of induction control chip U3, the other end It is electrically connected the other end of LED load 3.When concrete application, the model 108BNJ of induction control chip U3 has eight and draws Foot.Further, induction module 2 further includes voltage-stablizer Z1, first capacitor C1, the second capacitor C2, the 6th capacitor C6, the one or three pole Pipe Q1, the second triode Q2 and third transistor Q3；The input terminal of voltage-stablizer Z1 is electrically connected one end of power module 1, pressure stabilizing The output end of device Z1 is electrically connected the 1st pin of induction control chip U3；The anode of first capacitor C1 and the second capacitor C2 is electrically The cathode of the output end of connection voltage-stablizer Z1, first capacitor C1 and the second capacitor C2 are electrically connected the end GND of voltage-stablizer Z1, and lead to Cross the 4th pin that second resistance R2 is electrically connected induction control chip U3；One end of 6th capacitor C6 is electrically connected inductive head U4, The other end of 6th capacitor C6 is electrically connected the base stage of third transistor Q3, and the both ends of the 6th capacitor C6 are parallel with the 14th resistance R14 and the 15th resistance R15；The collector of first triode Q1 by twelfth resistor R12 be electrically connected inductive head U4, first The base stage of triode Q1 is electrically connected the 6th pin of induction control chip U3, the hair of the first triode Q1 by the 8th resistance R8 Emitter-base bandgap grading connects the output end of voltage-stablizer Z1 and the 1st pin of induction control chip U3, while being electrically connected by 3rd resistor R3 The 5th pin of induction control chip U3；The base stage of second triode Q2 is electrically connected induction control core by thirteenth resistor R13 The 2nd pin of piece U3, the emitter of the second triode Q2 are electrically connected the base stage of the second triode Q2 by the tenth resistance R10, And it is electrically connected the end GND simultaneously, the collector of the second triode Q2 is electrically connected the other end of LED load 3；Third transistor Q3 Collector pass through respectively the 7th resistance R7, the 9th resistance R9 be electrically connected induction control chip U3 the 7th pin, the 8th pin, The 6th resistance R6, the emitter of third transistor Q3 are connected between 9th resistance R9 and the 5th pin of induction control chip U3 It is electrically connected the cathode of the 6th capacitor C6 and the 1st pin of induction control chip U3 simultaneously.

When incuding lamp control circuit work, inductive head U4 senses manpower, and the signal sensed is passed through the by inductive head U4 One triode Q1 and third transistor Q3 passes to induction control chip U3, and output is high after induction control chip U3 receives signal Level is transferred to LED load 3 by the second triode Q2, and LED light is bright to be illuminated for user；After user's use, make User extends to hand in the induction region of inductive head U4, and the signal sensed is passed through the first triode Q1 and third by inductive head U4 Triode Q3 passes to induction control chip U3, and induction control chip U3 exports low level after receiving signal, passes through the two or three Pole pipe Q2 is transferred to LED load 3, and LED light is extinguished, the purpose realized that lamp is bright when using, lamp has been used to go out, to save electricity Energy.

Further, power module 1 includes the end BAT+ and the end BAT-, charhing unit for being electrically connected battery two-port 11 and charge protection unit 12；Charhing unit 11 is electrically connected at one end of the end BAT+ and LED load；12 electricity of charge protection unit Property the connection end BAT+, the end BAT- and LED load 3 the other end.Charhing unit 11 includes charging input end, the first indicator light LED1, the second indicator light LED2, the 7th capacitor C7, the 9th capacitor C9 and charging chip U5；Specifically, the model of charging chip U5 For AP5056, there are eight pins；The voltage of charging input end is that 5V, the 14th resistance R14 and the 15th resistance R15 are in parallel One end be connected to charging input end；One end of first indicator light LED1 is electrically connected the 14th electricity by twelfth resistor R12 Hinder the other end of R14 and the 15th resistance R15 parallel connection, the of the other end electric connection charging chip U5 of the first indicator light LED1 6 pins；One end of second indicator light LED2 is electrically connected the 14th resistance R14 and the 15th resistance by thirteenth resistor R13 The other end of R15 parallel connection, the other end of the second indicator light LED2 are electrically connected the 7th pin of charging chip U5；7th capacitor C7 It is parallel to the 5th pin and the 3rd pin of charging chip U5, the connecting pin of the 3rd pin of the 7th capacitor C7 and charging chip U5 is logical Cross the 2nd pin that the tenth resistance R10 is electrically connected charging chip U5, the company of the 3rd pin of the 7th capacitor C7 and charging chip U5 Connect one end that end is electrically connected the end BAT+ and LED load；9th capacitor C9 is parallel to the 1st pin of charging chip U5 and the 8th draws Foot, the 9th capacitor C9 connect the 4th pin of charging chip U5 with the connecting pin of the 8th pin of charging chip U5.Refer to by first Show that the bright light of lamp LED1 is identified power input status with turning off the light, makes operator's more intuitive understanding to power input shape State is convenient for further operating.It by the bright light of the second indicator light LED2 and turns off the light and indicates battery charging state, facilitate operator straight Battery charging state is recognized in sight.

Further, charge protection unit 12 includes charge protection chip U1 and charge and discharge control chip U2；Specifically, The model DW01 of charge protection chip U1, the model 8205A of charge and discharge control chip U2；The VDD of charge protection chip U1 End is electrically connected the end BAT+ by the 4th resistance R4；The vdd terminal of charge protection chip U1 and the end VSS are electrical by third capacitor C3 Connection；The end BAT-, the 2nd end S1 of charge and discharge control chip U2 and G1 is electrically connected in the end VSS of charge protection chip U1 End；The end OC of charge protection chip U1 is electrically connected charge and discharge control chip U2；The end OD of charge protection chip U1 is electrically connected Charge and discharge control chip U2；The first end S1 and the first end S2 of charge and discharge control chip U2 is electrically connected by rectifier diode D； The 2nd end S2 and the end G2 of charge and discharge control chip U2 is electrically connected the end CSI of charge protection chip U1 by the 5th resistance R5.

When battery is charged normal by charger, with the increase in charging time, the voltage of battery core will be higher and higher, when When battery core voltage is increased to 4.4V, DW01 will be considered to battery core voltage and be in overcharge voltage state, soon disconnect the 3rd foot Output voltage makes the voltage of the 3rd foot become 0V, and the switching tube in 8205A is closed due to the 4th foot no-voltage, at this point, battery core It is in an off state between the end BAT- and the end P- of protection board, i.e., the charge circuit of battery core is cut off, and battery core will stop charging, and is protected Backplate is in overcharge condition and is always maintained at；On the end P+ of plate to be protected and P- termination after discharge load, although at this point, overcharging Electric control switch pipe is closed, but its internal diode positive direction is identical as the direction of discharge loop, therefore discharge loop can be into Row electric discharge, when the voltage of battery core is placed to lower than 4.3V, DW01 stops additives for overcharge protection state and exports high electricity in the 3rd foot again Pressure makes to overcharge the conducting of electric control pipe in 8205A, i.e., the end BAT- of battery core is reclosed with the end protection board P-, and battery core carries out again Normal charge and discharge, to realize the protection of charge and discharge.

Preferably, induction lamp control circuit further includes control switch KK1, control switch KK1 be electrically connected at the end BAT+ with Between induction module 2, control switch KK1 is electrically connected induction module 2 by first resistor R1.Control switch KK1 is for controlling Induction lamp control circuit powers on or cuts off the power, and user can also be stopped after use by closing control switch KK1 Only to LED load 3 for being electrically turn off LED light.

Preferably, induction lamp control circuit further includes the 4th capacitor C4 and the 5th capacitor C5, the electricity of the 4th capacitor C4 and the 5th It is in parallel between power module 1 and induction module 2 to hold C5 difference.4th capacitor C4 cooperates the 5th capacitor C5 that can effectively filter out high frequency Interference signal avoids route from being disturbed.

In conclusion the induction lamp control circuit of the utility model passes through sense in one or more embodiments of the invention The signal output high level or low level that chip reception inductive head should be controlled power to LED load or stop powering, and realize its point Bright or extinguishing, reaches use and lights, without using the purpose of closing, to save electric energy.

Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.

Claims (7)

1. a kind of induction lamp control circuit, which is characterized in that including power module (1), induction module (2) and LED load (3), One end of the induction module (2) is electrically connected one end of the power module (1)；One end of the LED load (3) electrically connects The other end of the power module (1) is connect, the other end is electrically connected the other end of the induction module (2)；

Wherein, the induction module (2) includes induction control chip (U3) and inductive head (U4), and the induction controls chip (U3) One end be electrically connected one end of the power module (1)；One end of the inductive head (U4) is electrically connected the induction control The other end of chip (U3), the other end are electrically connected the other end of the LED load (3).

2. induction lamp control circuit according to claim 1, which is characterized in that the induction module (2) further includes pressure stabilizing Device (Z1), first capacitor (C1), the second capacitor (C2), the 6th capacitor (C6), the first triode (Q1), the second triode (Q2) and Third transistor (Q3)；The input terminal of the voltage-stablizer (Z1) is electrically connected one end of the power module (1), output end electricity Property connection it is described induction control chip (U3) input terminal；The first capacitor (C1) and the second capacitor (C2) are parallel to institute respectively It states between voltage-stablizer (Z1) and induction control chip (U3)；One end of 6th capacitor (C6) is electrically connected the inductive head (U4), the other end is electrically connected the base stage of the third transistor (Q3)；The collector of first triode (Q1) is electrical It connects the inductive head (U4), base stage is electrically connected induction control chip (U3), and institute is electrically connected in emitter State one end and induction control chip (U3) of power module (1)；The base stage of second triode (Q2) is electrically connected the sense It should control chip (U3), emitter is electrically connected base stage and the end GND of second triode (Q2), collector electricity simultaneously Property the connection LED load (3) the other end；The collector of the third transistor (Q3) is electrically connected the induction and controls core Piece (U3), emitter are electrically connected the other end of the 6th capacitor (C6).

3. induction lamp control circuit according to claim 1, which is characterized in that the power module (1) includes for electricity Property connection battery two-port the end BAT+ and the end BAT-, charhing unit (11) and charge protection unit (12)；The charhing unit (11) it is electrically connected at one end of the end BAT+ and LED load；The charge protection unit (12) is electrically connected the BAT+ The other end at end, the end BAT- and LED load (3).

4. induction lamp control circuit according to claim 3, which is characterized in that the charhing unit (11) includes that charging is defeated Enter end, the first indicator light (LED1), the second indicator light (LED2), the 7th capacitor (C7), the 9th capacitor (C9) and charging chip (U5)；First indicator light (LED1) and the second indicator light (LED2) are electrically connected at the charging input end and charging chip (U5) between；7th capacitor (C7) is parallel to charging chip (U5), and one end is electrically connected the end BAT+ and LED simultaneously One end of load；9th capacitor (C9) is parallel to the charging chip (U5)；The charging chip (U5) is electrically connected institute State the one end at the end BAT+ and LED load (3).

5. induction lamp control circuit according to claim 4, which is characterized in that the charge protection unit (12) includes filling Electric protection chip (U1) and charge and discharge control chip (U2)；

The vdd terminal of the charge protection chip (U1) is electrically connected the end BAT+ by the 4th resistance (R4)；The charger The vdd terminal and the end VSS for protecting chip (U1) are electrically connected by third capacitor (C3)；The end VSS of the charge protection chip (U1) The 2nd end S1 and the end G1 at the end BAT-, charge and discharge control chip (U2) is electrically connected；The charge protection chip (U1) the end OC is electrically connected the charge and discharge control chip (U2)；The end OD of the charge protection chip (U1) is electrically connected institute State charge and discharge control chip (U2)；

The first end S1 and the first end S2 of the charge and discharge control chip (U2) are electrically connected by rectifier diode (D)；It is described The 2nd end S2 and the end G2 of charge and discharge control chip (U2) are electrically connected the charge protection chip by the 5th resistance (R5) (U1) the end CSI.

6. induction lamp control circuit according to claim 5, which is characterized in that further include control switch (KK1), the control System switch (KK1) is electrically connected between the end BAT+ and induction module (2).

7. according to according to induction lamp control circuit as claimed in claim 6, which is characterized in that further include the 4th capacitor (C4) and the 5th Capacitor (C5), the 4th capacitor (C4) and the 5th capacitor (C5) are respectively in parallel and the power module (1) and induction module (2) Between.