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Combined type household energy storage system and combination control method thereof

A home energy storage and combined control technology, applied in the electric power field, can solve the problem that energy storage products cannot meet the user's electricity demand, and achieve the effect of convenient use and capacity expansion

Inactive Publication Date: 2017-05-24
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increasing number of household appliances and the increasing power of household appliances, a single energy storage product can no longer meet the electricity demand of users

Method used

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  • Combined type household energy storage system and combination control method thereof
  • Combined type household energy storage system and combination control method thereof
  • Combined type household energy storage system and combination control method thereof

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Embodiment Construction

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0019] The combined home energy storage system and the combined control method of the combined home energy storage system according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

[0020] figure 1 is a schematic block diagram of a combined household energy storage system according to an embodiment of the present invention. Such as figure 1 As shown, the combined home energy storage system includes: N batteries 10 to be assembled, N battery management units 20 , a ...

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Abstract

The invention discloses a combined type household energy storage system and a combination control method thereof. The system comprises N batteries to be combined, N battery management units corresponding to the N batteries to be combined, a main battery, N connectors which are in one-to-one correspondence with the N batteries to be combined, and a main battery management unit which communicates with each battery management unit, wherein each of the battery management units is used for detecting the state information and ID signal of a corresponding battery to be combined, each connector is used for allowing a corresponding battery to be combined to be connected to the power line of the main battery in parallel, when the battery management unit receives the state information and ID signal of any battery to be combined, if a battery capacity expansion signal is obtained, when a condition that the voltage difference between the voltage of the battery to be combined and the voltage of the main battery is in a preset range is judged, through controlling the connector corresponding to the battery to be combined to be connected, the battery to be combined and the main battery are connected in parallel, thus the capacity of the energy storage system can be extended arbitrarily, and different needs of a user are satisfied.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a combined household energy storage system and a combined control method for the combined household energy storage system. Background technique [0002] With the increasingly serious energy crisis and environmental pollution, the demand for new energy storage in households is increasing, and with the continuous upgrading and introduction of various household electronic products, the demand for electricity is also constantly changing. Relevant household energy storage products are generally only single products in the form of fixed power, fixed battery capacity, or fixed voltage. For example, related energy storage products can only store 3 kilowatt-hours of electricity. However, with the continuous increase of household appliances and the continuous increase of the power of household appliances, a single energy storage product can no longer meet the electricity demand of ...

Claims

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Application Information

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IPC IPC(8): H02J7/00
Inventor 李程朱志鹏皮帆蒋昌宏孟家明尹韶文
Owner BYD CO LTD
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