SOLAR DUAL-SYSTEM CONTROLLER AND CONTROL CIRCUIT THEREOF

• US 20180175663A1
• Filed: 11/21/2017
• Published: 06/21/2018
• Est. Priority Date: 12/20/2016
• Status: Active Grant

• Current Assignee: Ningbo Tianchenghuiguang Solar Co., Ltd.
• Original Assignee: Ningbo Tianchenghuiguang Solar Limited
• Inventors: Wu, Hongguang, Lu, Shaohong
• Granted Patent: US 10,454,298 B2
• Time in Patent Office: Days
• CPC Class Codes: H02J 7/35 with light sensitive cells
• CPC Class Codes: Y02E 10/50 Photovoltaic [PV] energy

Abstract

A solar dual-system controller comprising a shell, a solar panel, a circuit board, a first rear cover and a second rear cover; the solar panel is disposed on the outer wall of the shell; the first rear cover is fixed to the shell, thereby forming a first chamber; the circuit board is fixed within the first chamber; a storage battery, which is electrically connected to the circuit board, is fixed within the first chamber; the second rear cover is snapped to the shell, thereby forming a second chamber; a dry battery, which is electrically connected to the circuit board, is detachably disposed within the second chamber.

Claims

1. A solar dual-system controller, comprising:

a shell,

a solar panel,

a circuit board,

a first rear cover, and

a second rear cover, wherein the solar panel is disposed on the outer wall of the shell, wherein the first rear cover is fixed to the shell, thereby forming a first chamber, wherein the circuit board is fixed within the first chamber, wherein a storage battery, which is electrically connected to the circuit board, is fixed within the first chamber, wherein the second rear cover is snapped to the shell, thereby forming a second chamber, wherein a dry battery, which is electrically connected to the circuit board, is detachably disposed within the second chamber.

2. The solar dual-system controller of claim 1, wherein a first connecting column is disposed on the second rear cover, and a first snap ring, which coordinates with the first connecting column, is disposed on the shell, wherein a snap joint is movably connected to the second rear cover, and a second connecting column is disposed on the snap joint, wherein a clamping block is disposed on the snap joint, wherein the shell is provided with a groove that corresponds to the clamping block, wherein a second snap ring, which coordinates with the second connecting column, is disposed on the second rear cover.

3. The solar dual-system controller of claim 1, wherein sealing gaskets are provided at the point where the shell and the first rear cover are connected, and at the point where the shell and the second rear cover are connected.

4. The solar dual-system controller of claim 1, wherein the first rear cover is provided with a through-hole for installing a switch, wherein the switch is electrically connected to the circuit board through the through-hole.

5. The solar dual-system controller of claim 4, wherein a waterproof cap, which is disposed at the exterior of the through-hole, is made from a flexible material.

6. The solar dual-system controller of claim 1, wherein the first rear cover is provided with a sliding chute.

7. A control circuit of the solar dual-system controller, comprising:

a solar panel,

a storage battery,

a dry battery,

a resistor R1,

a resistor R2,

a resistor R3,

a resistor R4,

a resistor R5,

a T33 step-down power supply chip U1,

a triode T1,

a triode T3,

a MOS field effect transistor Q1,

a LED lamp,

an inductor L1,

a switch,

a diode D1,

a diode D2,

a diode D3,

a resistor RL, and

a single-chip microcomputer G wherein the emitting electrode of the triode T1 is connected to the ground GND, and the base electrode of the triode T1 is connected to the ground GND through the resistor R2, wherein the collecting electrode of the triode T1 is connected to the single-chip microcomputer G, wherein the base electrode of the triode T1 is connected to the positive electrode of the diode D1 through the resistor R1, wherein the positive electrode of the diode D1 is connected to the ground GND through the solar panel, and the negative electrode of the diode D1 is connected to the ground GND through the storage battery, wherein the negative electrode of the diode D1 is connected to one end of the switch through the diode D2, and the other end of the switch is connected to a first base pin of the T33 step-down power supply chip U1 through the inductor L1, wherein the positive electrode of the diode D1 is connected to the base electrode of the triode T3 through the resistor R3, wherein one end of the resistor R4 is connected to the ground GND, and the other end of the resistor R4 is connected to the base electrode of the triode T3, wherein the emitting electrode of the triode T3 is connected to the ground GND, wherein the collecting electrode of the triode T3 is connected to a third base pin of the T33 step-down power supply chip U1 through the resistor R5, wherein a second base pin of the T33 step-down power supply chip U1 is connected to the ground GND, wherein the third base pin of the T33 step-down power supply chip U1 is connected to the positive electrode of the LED lamp through the resistor RL, wherein the negative electrode of the LED lamp is connected to the single-chip microcomputer G, wherein the collecting electrode of the triode T3 is connected to the gate electrode G of the MOS field effect transistor Q1, and the source electrode S of the MOS field effect transistor Q1 is connected to the negative electrode of the diode D3, wherein the positive electrode of the diode D3 is connected to the ground GND through the dry battery, wherein the drain electrode D of the MOS field effect transistor Q1 is connected to one end of the switch, wherein the third base pin of the T33 step-down power supply chip U1 is connected to the single-chip microcomputer G.

8. The solar dual-system controller of claim 7, wherein the solar dual-system controller further comprises a capacitor C2, wherein the third base pin of the T33 step-down power supply chip U1 is connected to the ground GND through the capacitor C2.

9. The solar dual-system controller of claim 8, wherein the capacitor C2 is a polar capacitor.

10. The solar dual-system controller of claim 7, wherein the triode T1 and the triode T3 are both NPN triodes, wherein the MOS field effect transistor Q1 is an N-channel field effect transistor.