CN115001115A

CN115001115A - Intelligent charging and discharging control management circuit for solar lamp

Info

Publication number: CN115001115A
Application number: CN202210877460.7A
Authority: CN
Inventors: 何海清; 倪巡
Original assignee: Aerogloss Electronic Technology Co ltd
Current assignee: Aerogloss Electronic Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-09-02

Abstract

The invention relates to the technical field of control circuits, in particular to an intelligent charging and discharging control management circuit for a solar lamp, which comprises: the solar energy panel, the battery A, the battery B, the voltage stabilizing controller, the constant current and voltage circuit and the load LED; the solar panel charges the battery A and the battery B through the two paths of charging switches; the battery A supplies power to the load LED through a switch circuit A and the constant-current constant-voltage circuit; the battery B supplies power to the load LED through a switch circuit B and the constant-current constant-voltage circuit; the voltage stabilizing controller is used for collecting voltage signals of the battery A and the battery B and controlling the on and off of the two paths of charging switches, the switch circuit A and the switch circuit B according to the collected voltage signals. The invention can prevent the battery from being overcharged or overdischarged, and prolong the service life and the discharge time of the battery.

Description

Intelligent charging and discharging control management circuit for solar lamp

Technical Field

The invention relates to the technical field of control circuits, in particular to an intelligent charging and discharging control management circuit for a solar lamp.

Background

The solar lamp is an electric lamp which is converted into electric energy by a solar panel. During the day, even on cloudy days, this solar generator (solar panel) can collect and store solar energy. Solar lamps are regarded as a new safe and environment-friendly electric lamp, and therefore more and more attention is paid to the solar lamps.

At present, a plurality of solar lamps adopt simple batteries for parallel power supply, but one battery pack is broken, so that the other battery pack on the solar lamp is broken, and the charging and discharging of the two battery packs are unbalanced, so that the service life of the conventional solar lamp is greatly shortened. In view of this, we propose an intelligent charging and discharging control management circuit for solar lamps.

Disclosure of Invention

The invention aims to provide an intelligent charging and discharging control management circuit for a solar lamp, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

an intelligent charging and discharging control management circuit for a solar lamp comprises: the solar energy panel, the battery A, the battery B, the voltage stabilizing controller, the constant current and voltage circuit and the load LED;

the solar panel charges the battery A and the battery B through two paths of charging switches;

the battery A supplies power to the load LED through a switch circuit A and the constant-current constant-voltage circuit;

the battery B supplies power to the load LED through a switch circuit B and the constant-current constant-voltage circuit;

the voltage stabilizing controller is used for collecting voltage signals of the battery A and the battery B and controlling the on and off of the two paths of charging switches, the switch circuit A and the switch circuit B according to the collected voltage signals.

Preferably, a photosensitive sensor is further connected to the voltage stabilizing controller.

Compared with the prior art, the invention has the beneficial effects that: through solar lamp intelligence charge-discharge control management circuit, can realize switching battery A, battery B and charge to and can supply power for load LED in turn according to voltage regulator controller, prevent that the battery from the circumstances of overcharging or overdischarging from appearing, extension battery life and discharge time.

Drawings

FIG. 1 is a block diagram showing the overall structure of the present invention;

fig. 2 is a schematic diagram of the overall circuit wiring of the present invention.

In the figure: 1. a solar panel; 11. two paths of charging switches; 2. a battery A; 21. a switching circuit A; 3. a battery B; 31. a switch circuit B; 4. a voltage stabilization controller; 41. a photosensitive sensor; 5. a constant current and constant voltage circuit; 6. a load LED.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1 and fig. 2, a technical solution provided by the present invention is:

an intelligent charging and discharging control management circuit for a solar lamp comprises: the solar energy panel 1, a battery A2, a battery B3, a voltage stabilizing controller 4, a constant current and constant voltage circuit 5 and a load LED 6; the solar panel 1 charges the battery A2 and the battery B3 through the two-way charging switch 11; the battery A2 supplies power to the load LED6 through the switch circuit A21 and the constant current and constant voltage circuit 5; the battery B3 supplies power to the load LED6 through the switch circuit B31 and the constant current and constant voltage circuit 5; the voltage stabilizing controller 4 is used for collecting voltage signals of the battery a2 and the battery B3, and controlling the on and off of the two-way charging switch 11, the switch circuit a21 and the switch circuit B31 according to the collected voltage signals. Through the intelligent charging and discharging control management circuit of the solar lamp, the charging of the battery A2 and the battery B3 can be realized, the alternating power supply can be carried out on the load LED6 under the control of the voltage stabilizing controller 4, the voltage stabilizing controller 4 collects voltage signals of the battery A2 and the battery B3 and charges two batteries simultaneously, and when the MCU of the voltage stabilizing controller 4 detects that the voltage of a certain battery reaches the over-charging cut-off voltage, a certain charging circuit is closed until the two batteries are fully charged; when discharging, the voltage stabilizing controller 4 controls the on-off of the switch circuit A21 and the switch circuit B31 to discharge the batteries, the method is to preferentially select one group of batteries with higher voltage, open the switch circuit of the batteries to discharge the batteries, and when the voltage of the discharged batteries is smaller than the voltage of the other group of batteries at a first critical point, the batteries are switched to the other group of batteries to discharge without clearance, so that the batteries are circularly supplied with power for the load LED6, the condition of over-charge or over-discharge of the batteries is prevented, and the service life and the discharge time of the batteries are prolonged.

It should be noted that the voltage stabilizing controller 4 is further connected to a photosensitive sensor 41, the voltage stabilizing controller 4 starts the control of the circuit according to the ambient light intensity collected by the photosensitive sensor 41, and the voltage stabilizing controller 4 in this embodiment is generally started when the ambient light intensity is sensed to be weakened by the photosensitive sensor 41.

When the intelligent charging and discharging control management circuit of the solar lamp is used, the voltage stabilizing controller 4 collects voltage signals of the battery A2 and the battery B3, the two batteries are charged simultaneously during charging, when the MCU of the voltage stabilizing controller 4 detects that the voltage of a certain battery reaches the over-charging cut-off voltage, the charging circuit of the certain battery is closed until the two batteries are fully charged, and the battery damage caused by the voltage difference in the batteries A2 and B3 is avoided; when discharging, the voltage stabilizing controller 4 controls the on-off of the switch circuit A21 and the switch circuit B31 to discharge the batteries, the method is to preferentially select one group of batteries with higher voltage, open the switch circuit of the batteries to discharge the batteries, and when the voltage of the discharged batteries is smaller than the voltage of the other group of batteries at a first critical point, the batteries are switched to the other group of batteries to discharge without clearance, so that the batteries are circularly supplied with power for the load LED6, the condition of over-charge or over-discharge of the batteries is prevented, and the service life and the discharge time of the batteries are prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a solar lamp intelligence charge-discharge control management circuit which characterized in that includes: the solar energy power generation system comprises a solar panel (1), a battery A (2), a battery B (3), a voltage stabilizing controller (4), a constant current and constant voltage circuit (5) and a load LED (6);

the solar panel (1) charges the battery A (1) and the battery B (3) through two paths of charging switches (11);

the battery A (2) supplies power to the load LED (6) through a switch circuit A (21) and the constant-current constant-voltage circuit (5);

the battery B (3) supplies power to the load LED (6) through a switch circuit B (31) and the constant-current constant-voltage circuit (5);

and the voltage stabilizing controller (4) is used for acquiring voltage signals of the battery A (2) and the battery B (3) and controlling the on and off of the two paths of charging switches (11), the switch circuit A (21) and the switch circuit B (31) according to the acquired voltage signals.

2. The intelligent charging and discharging control management circuit of the solar lamp as claimed in claim 1, wherein: the voltage stabilizing controller (4) is also connected with a photosensitive sensor (41).