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A solar storage and control circuit

A technology of solar energy and circuits, applied in the field of solar energy storage, can solve problems such as unfavorable cost saving and large battery loss

Active Publication Date: 2020-11-06
新克科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the battery loss is large, which is not conducive to cost saving

Method used

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  • A solar storage and control circuit
  • A solar storage and control circuit

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Experimental program
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Effect test

Embodiment 1

[0032] In this embodiment, the on-off unit adopts a switch JK1, which is specifically a manual switch. The switch JK1 is kept closed in a conductive state. After the first power supply module is disconnected, the switch is disconnected until the switch JK1 is manually closed.

Embodiment 2

[0034] The solar energy storage and control circuit in this embodiment further includes a sixth transistor Q6 and a second voltage regulator transistor ZD2. The on-off switch adopts a relay J1 that is normally closed. Specifically, the relay J1 is disconnected when the control terminal is powered on, and closed when the control terminal is powered off.

[0035] In this embodiment, the control terminal of the relay J1 is connected to the source of the sixth transistor Q6, and the drain of the sixth transistor Q6 is connected to the source of the third transistor Q3 through the eighth resistor R8. The gate of the sixth transistor Q6 is connected to the anode of the second voltage regulator transistor ZD2, and the cathode of the second voltage regulator transistor ZD2 is connected to the source of the third transistor Q3 through the ninth resistor R9.

[0036]In this way, when the third transistor Q3 is turned on, the source of the third transistor Q3 is powered on. If the secon...

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PUM

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Abstract

The invention discloses a solar energy storage control circuit. During power supply by a first lithium battery, the first lithium battery is switched to a second lithium battery for power supply onlywhen the power of the first lithium battery is low, so that there is adequate time for charging the second lithium battery. Similarly, during power supply by the second lithium battery, the second lithium battery is switched to the first lithium battery for power supply only when the power of the second lithium battery is low, so that there is adequate time for charging the first lithium battery.In the invention, through cooperation of a first on-off element and a second on-off element, the charge and discharge of the first lithium battery and the second lithium battery is protected.

Description

technical field [0001] The invention relates to the technical field of solar energy storage, in particular to a solar energy storage and control circuit. Background technique [0002] In solar energy storage equipment, the storage battery as an energy storage device and a power supply is always in a state of simultaneous charging and discharging. In this way, the loss of the storage battery is large, which is not conducive to saving costs. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a solar energy storage and control circuit. [0004] A solar energy storage and control circuit proposed by the present invention includes: a photovoltaic element, a first power supply module and a second power supply module; [0005] The first power supply module includes: a first lithium battery, a first transistor, a first regulator tube, a first resistor and a second resistor; the first transistor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/35H02J7/00H02J7/36
CPCH02J7/0013H02J7/0026H02J7/35H02J7/36Y02E60/10
Inventor 张万如岑朝军殷大伟
Owner 新克科技有限公司