POWER STORAGE DEVICE CONTROL SYSTEM, POWER STORAGE SYSTEM, AND ELECTRICAL APPLIANCE
First Claim
Patent Images
1. A control system of a power storage device comprising:
- a first power storage element;
a second power storage element;
a third power storage element;
a fourth power storage element;
a first connection terminal;
a second connection terminal;
a third connection terminal;
a fourth connection terminal;
a first switch comprising;
a first terminal electrically connected to the first connection terminal;
a second terminal electrically connected to a first terminal of the first power storage element; and
a third terminal electrically connected to the third connection terminal;
a second switch comprising;
a first terminal electrically connected to the second connection terminal;
a second terminal electrically connected to a second terminal of the first power storage element; and
a third terminal electrically connected to a first node;
a third switch comprising;
a first terminal electrically connected to the first connection terminal;
a second terminal electrically connected to a first terminal of the second power storage element; and
a third terminal electrically connected to the third connection terminal;
a fourth switch comprising;
a first terminal electrically connected to the second connection terminal;
a second terminal electrically connected to a second terminal of the second power storage element; and
a third terminal electrically connected to the first node;
a fifth switch comprising;
a first terminal electrically connected to the first connection terminal;
a second terminal electrically connected to a first terminal of the third power storage element; and
a third terminal electrically connected to a second node;
a sixth switch comprising;
a first terminal electrically connected to the second connection terminal;
a second terminal electrically connected to a second terminal of the third power storage element; and
a third terminal electrically connected to the fourth connection terminal;
a seventh switch comprising;
a first terminal electrically connected to the first connection terminal;
a second terminal electrically connected to a first terminal of the fourth power storage element; and
a third terminal electrically connected to the second node;
an eighth switch comprising;
a first terminal electrically connected to the second connection terminal;
a second terminal electrically connected to a second terminal of the fourth power storage element; and
a third terminal electrically connected to the fourth connection terminal;
a ninth switch comprising;
a first terminal electrically connected to the first node; and
a second terminal electrically connected to the second node; and
a tenth switch comprising;
a first terminal electrically connected to the second node; and
a second terminal electrically connected to the third connection terminal.
1 Assignment
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Accused Products
Abstract
Deterioration of a power storage device is reduced. Switches that control the connections of a plurality of power storage devices separately are provided. The switches are controlled with a plurality of control signals, so as to switch between charge and discharge of each of the power storage devices or between serial connection and parallel connection of the plurality of power storage devices. Further, a semiconductor circuit having a function of carrying out arithmetic is provided for the power storage devices, so that a control system of the power storage devices or a power storage system is constructed.
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Citations
16 Claims
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1. A control system of a power storage device comprising:
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a first power storage element; a second power storage element; a third power storage element; a fourth power storage element; a first connection terminal; a second connection terminal; a third connection terminal; a fourth connection terminal; a first switch comprising; a first terminal electrically connected to the first connection terminal; a second terminal electrically connected to a first terminal of the first power storage element; and a third terminal electrically connected to the third connection terminal; a second switch comprising; a first terminal electrically connected to the second connection terminal; a second terminal electrically connected to a second terminal of the first power storage element; and a third terminal electrically connected to a first node; a third switch comprising; a first terminal electrically connected to the first connection terminal; a second terminal electrically connected to a first terminal of the second power storage element; and a third terminal electrically connected to the third connection terminal; a fourth switch comprising; a first terminal electrically connected to the second connection terminal; a second terminal electrically connected to a second terminal of the second power storage element; and a third terminal electrically connected to the first node; a fifth switch comprising; a first terminal electrically connected to the first connection terminal; a second terminal electrically connected to a first terminal of the third power storage element; and a third terminal electrically connected to a second node; a sixth switch comprising; a first terminal electrically connected to the second connection terminal; a second terminal electrically connected to a second terminal of the third power storage element; and a third terminal electrically connected to the fourth connection terminal; a seventh switch comprising; a first terminal electrically connected to the first connection terminal; a second terminal electrically connected to a first terminal of the fourth power storage element; and a third terminal electrically connected to the second node; an eighth switch comprising; a first terminal electrically connected to the second connection terminal; a second terminal electrically connected to a second terminal of the fourth power storage element; and a third terminal electrically connected to the fourth connection terminal; a ninth switch comprising; a first terminal electrically connected to the first node; and a second terminal electrically connected to the second node; and a tenth switch comprising; a first terminal electrically connected to the second node; and a second terminal electrically connected to the third connection terminal. - View Dependent Claims (2, 3, 4)
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5. A control system of a power storage device comprising:
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a first power storage element; a second power storage element; a third power storage element; a fourth power storage element; a first connection terminal; a second connection terminal; a third connection terminal; a fourth connection terminal; a first switch; a second switch; a third switch; a fourth switch; a fifth switch; a sixth switch; a seventh switch; an eighth switch; a ninth switch; and a tenth switch, wherein the first switch is configured to control a conducting state between the first connection terminal and a first terminal of the first power storage element and a conducting state between the third connection terminal and the first terminal of the first power storage element, wherein the second switch is configured to control a conducting state between the second connection terminal and a second terminal of the first power storage element and a conducting state between a first node and the second terminal of the first power storage element, wherein the third switch is configured to control a conducting state between the first connection terminal and a first terminal of the second power storage element and a conducting state between the third connection terminal and the first terminal of the second power storage element, wherein the fourth switch is configured to control a conducting state between the second connection terminal and a second terminal of the second power storage element and a conducting state between the first node and the second terminal of the second power storage element, wherein the fifth switch is configured to control a conducting state between the first connection terminal and a first terminal of the third power storage element and a conducting state between a second node and the first terminal of the third power storage element, wherein the sixth switch is configured to control a conducting state between the second connection terminal and a second terminal of the third power storage element and a conducting state between the fourth connection terminal and the second terminal of the third power storage element, wherein the seventh switch is configured to control a conducting state between the first connection terminal and a first terminal of the fourth power storage element and a conducting state between the second node and the first terminal of the fourth power storage element, wherein the eighth switch is configured to control a conducting state between the second connection terminal and a second terminal of the fourth power storage element and a conducting state between the fourth connection terminal and the second terminal of the fourth power storage element, wherein the ninth switch is configured to control a conducting state between the first node and the second node, and wherein the tenth switch is configured to control a conducting state between the second node and the third connection terminal. - View Dependent Claims (6, 7, 8)
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9. A control system of a power storage device comprising:
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a first power storage element; a second power storage element; a third power storage element; a fourth power storage element; a first connection terminal electrically connected to a first terminal of a power source; a second connection terminal electrically connected to a second terminal of the power source; a third connection terminal electrically connected to a first terminal of a load; a fourth connection terminal electrically connected to a second terminal of the load; a first switch; a second switch; a third switch; a fourth switch; a fifth switch; a sixth switch; a seventh switch; an eighth switch; a ninth switch; a tenth switch; an encoder; and a semiconductor circuit, wherein the first switch is configured to control a conducting state between the first connection terminal and a first terminal of the first power storage element and a conducting state between the third connection terminal and the first terminal of the first power storage element, based on a first control signal, wherein the second switch is configured to control a conducting state between the second connection terminal and a second terminal of the first power storage element and a conducting state between a first node and the second terminal of the first power storage element, based on the first control signal, wherein the third switch is configured to control a conducting state between the first connection terminal and a first terminal of the second power storage element and a conducting state between the third connection terminal and the first terminal of the second power storage element, based on a second control signal, wherein the fourth switch is configured to control a conducting state between the second connection terminal and a second terminal of the second power storage element and a conducting state between the first node and the second terminal of the second power storage element, based on the second control signal, wherein the fifth switch is configured to control a conducting state between the first connection terminal and a first terminal of the third power storage element and a conducting state between a second node and the first terminal of the third power storage element, based on a third control signal, wherein the sixth switch is configured to control a conducting state between the second connection terminal and a second terminal of the third power storage element and a conducting state between the fourth connection terminal and the second terminal of the third power storage element, based on the third control signal, wherein the seventh switch is configured to control a conducting state between the first connection terminal and a first terminal of the fourth power storage element and a conducting state between the second node and the first terminal of the fourth power storage element, based on a fourth control signal, wherein the eighth switch is configured to control a conducting state between the second connection terminal and a second terminal of the fourth power storage element and a conducting state between the fourth connection terminal and the second terminal of the fourth power storage element, based on the fourth control signal, wherein the ninth switch is configured to control a conducting state between the first node and the second node, wherein the tenth switch is configured to control a conducting state between the second node and the third connection terminal, wherein the encoder is configured to encode a plurality of data signals to generate and output at least the first control signal, the second control signal, the third control signal, and the fourth control signal, and wherein the semiconductor circuit is configured to output data of instruction to charge or discharge the first power storage element, the second power storage element, the third power storage element, and the fourth power storage element, as the plurality of data signals. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification