CN201467520U

CN201467520U - Multifunctional solar lighting power supply

Info

Publication number: CN201467520U
Application number: CN2009201307295U
Authority: CN
Inventors: 陈少忠; 陈伊梦
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-15
Filing date: 2009-04-15
Publication date: 2010-05-12
Anticipated expiration: 2019-04-15

Abstract

The utility model relates to a multifunctional solar lighting power supply which overcomes the defect that a direct current power supply can not directly charge batteries in the prior art, realizes the multi-stage direct current voltage output and can charge small-capacity batteries simultaneously. The utility model adopts the following technical scheme to solve the technical problem: a special battery charging circuit capable of charging batteries is additionally arranged in the circuit structure of the solar lighting power supply, and the control end of an overcharge protection and control circuit is connected with the input end of the special battery charging circuit. The utility model has the beneficial effects that the special battery charging circuit which is additionally arranged in a power supply management circuit can output multiple direct current voltages and simultaneously realize the purpose of charging small-capacity batteries such as nickel batteries, hydrogen batteries, cadmium batteries and the like easily, thereby increasing the functions of the direct current power supply and simultaneously being convenient for people to use; and the utility model also has the advantages of simple structure and low cost.

Description

A kind of multifuctional solar mains lighting supply

Technical field

The utility model is a kind of lighting apparatus that can external multiple direct current constant voltage source charges, particularly adopts solar panel to charge, and possesses the new design of the DC power supply of multiple voltage output and reserve battery charging end.

Background technology

DC power supply is a frequent standby power supply product in modern society and the family, the DC power supply product that existing market exists adopts the structure of Alternating Current Power Supply and many grades of direct current outputs more, can provide various DC power supply for the family expenses small electric apparatus, though can export many grades of direct voltages, but its function singleness, then often adopt the charging device of supporting battery special use for the charging of small-capacity cells such as nickel, hydrogen, cadmium, how to realize existing DC power supply in conversion dc voltage, small-capacity cells such as nickel, hydrogen, cadmium easily are charged to needs into people life.

Summary of the invention

For solve DC power supply in the prior art can't be directly to the shortcoming and defect of battery charge; the utility model designs a kind of multifuctional solar mains lighting supply; when having realized many grades of direct voltage outputs; the function that can charge to small-capacity cells; the technical scheme that the utility model technical solution problem adopts is: increasing by one in described solar lighting circuit construction of electric power can be to the reserve battery charging circuit of battery charge, and the control end of over-charge protective and control circuit connects the input of reserve battery charging circuit.

The beneficial effects of the utility model are: the reserve battery charging circuit of setting up in the power supply management circuit, can be in the multinomial direct voltage of output, easily realize charging to small-capacity cells such as nickel, hydrogen, cadmiums, when having enriched the function of DC power supply, made things convenient for people's use, simple in structure, with low cost.

Description of drawings

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

Fig. 2 is the embodiment of over-charge protective and control circuit (3).

Fig. 3 is the embodiment of many grades of dc output circuits (4).

Fig. 4 is the embodiment of reserve battery charging circuit (5).

1 is the solar panel power supply circuits among the figure; the 2nd, power interface circuit, the 3rd, over-charge protective and control circuit, the 4th, many grades of dc output circuits; the 5th, the reserve battery charging circuit; S1-S3 represents contactor, and BT represents storage battery, and Q1-Q4 represents triode; P1-P4 represents output port; D1-D5 represents diode, and R1-R17 represents resistance, and C1-C3 represents electric capacity.

How further specify goal of the invention of the present utility model below in conjunction with the embodiment that provides in accompanying drawing and the accompanying drawing realizes.

Embodiment

In conjunction with the accompanying drawings 1 and accompanying drawing in the embodiment that provides as can be seen: a kind of multifuctional solar mains lighting supply; increasing by one in the solar lighting circuit construction of electric power can be to the reserve battery charging circuit 5 of battery charge, and the control end of over-charge protective and control circuit 3 connects the input of reserve battery charging circuit 5.

Referring to accompanying drawing 2; in over-charge protective and control circuit 3; input electrical signal is 1. through diode D1; the divider resistance dividing potential drop; voltage division signal flows into the input of the pin 4 of chip (NE556) through triode Q2; chip (NE556) the 5th pin output triggering signal is to the base stage of switching tube Q1; the collector electrode of switching tube Q1 connects the input of many grades of dc output circuits 4 and reserve battery charging circuit 5 as the control output end; the triggering signal of chip (NE556) the 9th pin output is to the base stage of triode Q4; triode Q4 collector electrode output control signal connects the negative terminal of light-emitting diode D4, and switch S 1 is connected the anode of storage battery BT as circuit general switch.

Referring to accompanying drawing 3; 2. be admitted to the many grades of dc output circuits 4 from the signal of telecommunication of over-charge protective and control circuit 3 outputs; at last at output P1; output dc voltage between P2; wherein many grades of dc output circuits 4 are by chip (LM317); contactor S2 and contactor S3; voltage regulation resistance R6; resistance R 7; resistance R 8 and resistance R 14; the multi-channel DC voltage follower circuit that R15 forms respectively; by switch S 2 and switch S 3 control output end output dc voltages; exportable direct voltage is 3V between output P1 and P2; 4.5V; 6V; 9V; 12V can provide the voltage stabilizing power supply for direct-flow current consumers such as LED lamps.

In accompanying drawing 4; 2. sent the reserve battery charging circuit 5 from the signal of telecommunication of over-charge protective and control circuit 3 outputs; at last at output P3; output dc voltage between P4; reserve battery charging circuit 5 is by chip (NE555) and peripheral matched resistance; triode Q3; diode D5; diode D6; light-emitting diode D7 overlap joint forms; after the pin 3 of its chips (NE555) outputs to the positive pole of diode D6 with control signal; receive the charging end of battery by resistance R 12; the battery charge two ends are parallel with the bleeder circuit of resistance R 13 and capacitor C 3; its minute, pressure side connected switch triode Q3 through the negative pole of diode D5, and the collector electrode by switch triode Q3 turns back in the pin 4 of chip (NE555).

During use; small-capacity cells such as nickel, hydrogen, cadmium are connected between output P3 and the P4; reserve battery charging circuit 5 will charge to battery; the detection loop of forming by triode Q3 and diode D5 and resistance R 13; to detect cell voltage, realize the protection that overcharges, puts excessively battery.

Claims

1. multifuctional solar mains lighting supply; comprise in its circuit structure: the storage battery BT that circuit voltage is provided; solar panel power supply circuits (1); power interface circuit (2); over-charge protective and control circuit (3) and the switching circuit that cooperates the control power supply to export thereof; many grades of dc output circuits (4); wherein solar panel power supply circuits (1) output is connected with power interface circuit (2) input; power interface circuit (2) output is connected with over-charge protective and control circuit (3) input; the control signal of over-charge protective and control circuit (3) output is sent to many grades of dc output circuits (4) input; it is characterized in that: increasing by one in described solar lighting circuit construction of electric power can be to the reserve battery charging circuit (5) of battery charge, and the control end of over-charge protective and control circuit (3) connects the input of reserve battery charging circuit (5).

2. a kind of multifuctional solar mains lighting supply according to claim 1, it is characterized in that: described reserve battery charging circuit (5) is by chip (NE555) and peripheral matched resistance, electric capacity, triode Q3, diode D5, diode D6, light-emitting diode D7 overlap joint forms, after the pin 3 of its chips (NE555) outputs to the positive pole of diode D6 with control signal, receive the charging end of battery by resistance R 12, the battery charge two ends are provided with resistance R 13 and capacitor C 1 bleeder circuit in parallel, its minute, pressure side connected triode Q3 through the negative pole of diode D5, turned back to by the collector electrode of opening three utmost point Q3 in the pin 4 of chip (NE555).

3. a kind of multifuctional solar mains lighting supply according to claim 1, it is characterized in that: described many grades of dc output circuits (4) are made up of chip (LM317) and divider resistance overlap joint, and the voltage stabilizing end of its chips (LM317) is made up of switch S 2, S3 and resistance R 6, R7, R8, R14, R15 match strap.

4. a kind of multifuctional solar mains lighting supply according to claim 1; it is characterized in that: in described over-charge protective and the control circuit (3); input electrical signal is 1. through diode D1; the divider resistance dividing potential drop; voltage division signal flows into the input of the pin 4 of chip (NE556) through triode Q2; chip (NE556) the 5th pin output triggering signal is to the base stage of triode Q1; the collector electrode of triode Q1 connects the input of many grades of dc output circuits (4) and reserve battery charging circuit (5) as the control output end; the triggering signal of chip (NE556) the 9th pin output is to the base stage of triode Q4; triode Q4 collector electrode output control signal connects the negative terminal of light-emitting diode D4, and switch S 1 is connected the anode of storage battery BT as circuit general switch.