Power supply fusion energy storage device and method of multi-source micro-energy collector
An energy storage device and energy source technology, applied in the field of micro-energy, can solve problems such as interference, affecting power management efficiency and power storage efficiency, and achieve high energy utilization and avoid interference
Inactive Publication Date: 2020-07-21
CHONGQING UNIV
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Problems solved by technology
This will cause a problem: when the power of each power supply is output to the storage device, interference will inevitably occur, which will affect the power management efficiency and power storage efficiency
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[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0032] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0033] The main method of the present invention is to firstly store the electricity of each channel in the primary energy storage capacitor, and then transfer the electric energy in multiple primary energy storage ...
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The invention discloses a power supply fusion energy storage device and method of a multi-source micro-energy collector. The plurality of energy source transmission paths are all controlled by the control circuit; the first electric quantity detection circuit is used for detecting the voltage value of the secondary energy storage capacitor; the output end of the first electric quantity detection circuit is connected with the first input end of the control circuit; each energy source transmission path comprises an energy source, a primary energy storage capacitor, a switch and a second electricquantity detection circuit; the first end of the primary energy storage capacitor and the first end of the switch are in concurrent connection with the output end of the energy source, the second endof the primary energy storage capacitor is grounded, the second end of the switch is connected with the secondary energy storage capacitor, the third end is connected with the output end of the control circuit, and the output end of the second electric quantity detection circuit is connected with the second input end of the control circuit. When the electric energy of the multi-path energy collector is output to the storage device, interference among all paths of power sources is avoided, efficient fusion management of the multi-path energy sources is achieved, and the energy storage efficiency and capacity of the multi-source micro-energy collector are improved.
Description
technical field [0001] The invention relates to the field of micro-energy, in particular to a power fusion energy storage device and method for a multi-source micro-energy collector. Background technique [0002] With the development of the Internet of Things, the power supply problem of sensor nodes has become particularly prominent. Due to the large number and wide distribution of sensor nodes, especially in some relatively harsh environments, the cost of wiring or battery replacement is too high, and there is an urgent need for sensors to achieve autonomous power supply. , which is self-powered. It refers to the use of micro-machining and micro-electronics technology to integrate micro-energy collectors, circuits and energy storage devices in micro / nano-level physical feature sizes to achieve the acquisition and conversion, transmission and management of environmental energy. Novel micropower sources for storage and release. It has the advantages of long life, small siz...
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Login to View More IPC IPC(8): H02J7/34
CPCH02J7/345
Inventor 余华卢山张祖伟岳秋琴张晓堃杨冬臣
Owner CHONGQING UNIV