Solar lamp flat voltage control circuit

Abstract

The utility model discloses a solar lamp flat pressing control circuit which comprises a battery connecting terminal, a solar panel connecting terminal, a control chip, a plurality of output lamp bead circuits and a control light source circuit. The battery connecting terminal is connected with the control chip through the voltage stabilizing chip, and the solar panel connecting terminal is connected with the control chip through the voltage stabilizing circuit; different output terminals of the control chip are respectively connected with the negative electrode ends of different lamp bead circuits, the control light source circuit is connected between the battery connecting terminal and the solar panel connecting terminal, and the control end of the control chip is connected with a control pin of the control chip. According to the utility model, the structural arrangement is reasonable, the power supply of the battery and the power supply of the solar panel are effectively realized, the output control of different percentages of the output lamp bead circuit can be realized, the use convenience and effectiveness are improved, and the flat pressure control adjustment can be realized by controlling the light source circuit and matching with the control chip; and the illumination stability and reliability are ensured, and the application range is widened.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solar energy lamps technical field, concretely relates to a solar energy lamps flat pressure control circuit. BACKGROUND

[0002] Solar energy lamps are a kind of common lamps structure, it generally will have solar energy power supply and battery power supply, select different power supply mode through control module simultaneously, and realize the light of different lamp pearl control, it although can satisfy the use demand of general situation, but the stability of its lamp pearl control is limited, will influence its application range to some extent. SUMMARY

[0003] The utility model aims at providing a solar energy lamps flat pressure control circuit with reasonable structure and improved use stability.

[0004] The technical scheme for realizing the utility model is a solar energy lamps flat pressure control circuit, including battery connection terminal, solar panel connection terminal, control chip, a plurality of output lamp pearl circuit and control light source circuit;

[0005] The battery connection terminal is connected with the control chip through voltage stabilizing chip, and the solar panel connection terminal is connected with the control chip through voltage stabilizing circuit;

[0006] Different output terminals of the control chip are connected at the negative pole end of different lamp pearl circuits, and the positive pole end of a plurality of lamp pearl circuits is connected on the output end of voltage stabilizing chip;

[0007] The control light source circuit is connected between battery connection terminal and solar panel connection terminal, and control end is connected with the control pin of control chip.

[0008] Further preferably, the control light source circuit includes a first MOS tube, a ninth resistor, a first triode, an eighth resistor, a fifteenth resistor, a third resistor, a second MOS tube, a parallel resistor group and an LED light source.

[0009] One end of the LED light source is connected to the positive pole of the battery connection terminal, and the other end is connected to the parallel resistor group, the other end of the parallel resistor group is connected to the drain of the second MOS tube, the gate of the second MOS tube is connected to the sixth pin of the control chip through the third resistor, and the fifteenth resistor is connected between the source and gate of the second MOS tube.

[0010] The source of the second MOS tube is connected to the emitter of the first triode, the base of the first triode is connected to the fifth pin of the control chip through the eighth resistor, and the collector of the first triode is connected to the positive pole of the battery connection terminal through the ninth resistor.

[0011] The gate of the first MOS is connected to the collector of the first triode, the source is connected to the positive pole of the battery connection terminal, and the drain is connected to the positive pole of the solar panel connection terminal.

[0012] It is further preferred that different percentage output pins are arranged on the control chip.

[0013] Different lamp bead circuits are connected to the different percentage output pins.

[0014] It is further preferred that the first MOS is an N-MOS, and the second MOS is a P-MOS.

[0015] The first triode is an NPN triode.

[0016] The utility model has the positive effect: the utility model discloses the structure is reasonable, and its not only can effectively realize battery power supply and solar panel power supply, and can also realize the output control of the different percentage of lamp bead circuit, improves the use convenience and effectiveness, and simultaneously, it can realize the flat pressure control adjustment through the control light source circuit and cooperation control chip, guarantees the lighting stability and reliability, improves its application range. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the content of the utility model more easily be clearly understood, the following is according to specific embodiment and combines the drawings, and the utility model is further detailed, wherein:

[0018] Figure 1 It is the circuit structure schematic diagram of the utility model.

[0019] The figure mark: battery connection terminal 1, solar panel connection terminal 2, control chip 3, output lamp bead circuit 4, control light source circuit 5, voltage stabilizing chip 6, voltage stabilizing circuit 7. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection. EMBODIMENT

[0021] See Figure 1The solar lamp flat pressure control circuit comprises a battery connection terminal 1, a solar panel connection terminal 2, a control chip 3, a plurality of output lamp bead circuits 4 and a control light source circuit 5; in the embodiment, the battery connection terminal is used for connecting a power supply battery, the solar panel connection terminal is used for connecting a solar panel for power supply, and the control chip is used for control adjustment and output adjustment.

[0022] In connection, the battery connection terminal is connected with the control chip through a voltage stabilizing chip 6, and the solar panel connection terminal is connected with the control chip through a voltage stabilizing circuit 7; different output terminals of the control chip are respectively connected with negative poles of different lamp bead circuits, and positive poles of the plurality of lamp bead circuits are connected with an output terminal of the voltage stabilizing chip; the control light source circuit is connected between the battery connection terminal and the solar panel connection terminal, and a control end is connected with a control pin of the control chip. The above structure can also realize flat pressure control, and ensure the effectiveness and stability of illumination.

[0023] In actual application, the control light source circuit comprises a first MOS tube Q1, a ninth resistor R9, a first triode Q4, an eighth resistor R8, a fifteenth resistor R15, a third resistor R3, a second MOS tube Q3, a parallel resistor group R and an LED light source D; in connection, one end of the LED light source is connected with a positive pole of the battery connection terminal, and the other end is connected with the parallel resistor group; the other end of the parallel resistor group is connected with a drain of the second MOS tube; a gate of the second MOS tube is connected with a sixth pin of the control chip through the third resistor; the fifteenth resistor is connected between a source and a gate of the second MOS tube; the source of the second MOS tube is connected with an emitter of the first triode; a base of the first triode is connected with a fifth pin of the control chip through the eighth resistor; a collector of the first triode is connected with a positive pole of the battery connection terminal through the ninth resistor; a gate of the first MOS tube is connected with a collector of the first triode, a source is connected with a positive pole of the battery connection terminal, and a drain is connected with a positive pole of the solar panel connection terminal. The above structure can ensure the control stability and effectiveness of the LED light source.

[0024] In the embodiment, different percentage output pins are arranged on the control chip; different lamp bead circuits are respectively connected with the different percentage output pins. The first MOS tube is an N-MOS tube, the second MOS tube is a P-MOS tube, and the first triode is an NPN triode.

[0025] The utility model has the positive effect: the utility model discloses reasonable structure setting, and through above -mentioned structure, it not only can effectively realize battery power supply and solar panel power supply, but also can realize the output control of different percentage of output lamp pearl circuit, has improved the use convenience and effectiveness, and simultaneously, it can realize the flat pressure control adjustment through the control light source circuit and cooperation control chip, has guaranteed the lighting stability and reliability, has improved its application scope.

[0026] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment all adopt the conventional type in the existing technology, so the specific description is not made here.

[0027] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not the limitation of the implementation mode of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The changes or variations extended from the essential spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A solar powered lamp flat control circuit, characterized by: The battery connecting terminal, the solar panel connecting terminal, the control chip, a plurality of output lamp bead circuits and a control light source circuit are included. The battery connecting terminal is connected with the control chip through a voltage stabilizing chip, and the solar panel connecting terminal is connected with the control chip through a voltage stabilizing circuit. Different output terminals of the control chip are respectively connected with negative poles of different lamp bead circuits, and positive poles of the plurality of lamp bead circuits are connected with an output terminal of the voltage stabilizing chip. The control light source circuit is connected between the battery connecting terminal and the solar panel connecting terminal, and a control end is connected with a control pin of the control chip.

2. A solar lamp flat panel control circuit as claimed in claim 1, wherein: The control light source circuit includes a first MOS tube, a ninth resistor, a first triode, an eighth resistor, a fifteenth resistor, a third resistor, a second MOS tube, a parallel resistor group and an LED light source. One end of the LED light source is connected with a positive pole of the battery connecting terminal, and the other end is connected with the parallel resistor group. The other end of the parallel resistor group is connected with a drain of the second MOS tube. A gate of the second MOS tube is connected with a sixth pin of the control chip through the third resistor.

3. The solar lamp flat panel control circuit according to claim 1, wherein: The fifteenth resistor is connected between a source and a gate of the second MOS tube. A source of the second MOS tube is connected with an emitter of the first triode.

4. A solar lamp flat panel control circuit as claimed in claim 2, wherein: A base of the first triode is connected with a fifth pin of the control chip through the eighth resistor. A collector of the first triode is connected with a positive pole of the battery connecting terminal through the ninth resistor. A gate of the first MOS tube is connected with a collector of the first triode, a source is connected with a positive pole of the battery connecting terminal, and a drain is connected with a positive pole of the solar panel connecting terminal. Different percentage output pins are arranged on the control chip. Different lamp bead circuits are respectively connected with the different percentage output pins. The first MOS tube is an N-MOS tube, and the second MOS tube is a P-MOS tube. The first triode is an NPN triode.

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