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Power self-supplying intelligent system and circuit system

A technology of intelligent system and circuit system, which is applied in the direction of load supply circuit, circuit device, battery circuit device, etc., to achieve the effects of low power consumption, extended working cycle, and ultra-low power consumption

Active Publication Date: 2018-11-27
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such an adaptive energy management method for energy collection and energy consumption can realize the requirement of rapidly increasing the energy accumulation speed under the condition of small system size and extremely low cost, and use energy as much as possible to realize load function tasks , improve the efficiency of energy utilization

Method used

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  • Power self-supplying intelligent system and circuit system
  • Power self-supplying intelligent system and circuit system
  • Power self-supplying intelligent system and circuit system

Examples

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Effect test

Embodiment 1

[0057] Embodiment 1 is a self-powered smart boot system, and the smart boot can be regarded as a self-powered wireless sensor node. Smart boots use self-powered technology to collect walking energy and convert it into electrical energy to supply smart boots with sensing, computing, and communication tasks. This process does not require any batteries or external cables, and the device has a theoretically infinite working life, limited only by how good the boots are. Based on the existing commercial piezoelectric generators, the energy generated by one press can reach several mW at most, while the minimum active wireless communication exceeds 10mW. The walking energy collected by it is greater than the sensing but less than the communication. , The smart boot system provided by this implementation separates energy consumption according to different functions. The system includes two working modes: sensing mode and communication mode, and provides a corresponding dual power suppl...

Embodiment 2

[0077] Embodiment 2 is a self-powered circuit system, which is used to realize environmental energy collection, energy supply and communication with external communication terminals. The self-powered circuit system can be used in smart wearable devices, smart boots, or environmental monitoring equipment, etc., and can collect various types of mechanical energy as environmental energy and use it to power the circuit system.

[0078] Such as figure 2 As shown, the self-powered circuit system includes a three-stage circuit, wherein the first stage is an energy supply stage circuit A, the second stage is an energy management stage circuit B, and the third stage is an energy load stage circuit C, and the three stages are sequentially connected.

[0079] The energy supply stage circuit A includes a piezoelectric generator (PZ) M1 and a wireless energy supply module receiving end (Wirelesscharge) M2;

[0080] The energy management stage circuit B includes an energy management bran...

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Abstract

The invention discloses a power self-supplying intelligent system and a circuit system, relating to the field of energy management. The power self-supplying intelligent system comprises a power self-supplying device and a communication platform, wherein the power self-supplying device comprises an energy harvesting module for harvesting and storing energy, an energy management module and a loadingmodule; the energy harvesting module is connected with the loading module through the energy management module; the energy management module is used for receiving electric energy output by the energyharvesting module and outputting stable electric energy to the loading module according to system configuration, working condition and the requirement management and configuration of various levels of energy consumption; the energy harvesting module comprises one or more environmental energy harvesting unit, which is used for harvesting environmental energy, converting the environmental energy into electric energy and then outputting. According to the scheme provided by the invention, complete self-supplying of energy can be realized, and the external connection of a standby battery is not required; the judgment of switching on and off can be intelligently performed, the work period of a load can be adjusted in a self-adapting mode, and the power self-supplying intelligent system has thecharacteristics of ultra-low power consumption at the same time.

Description

technical field [0001] The invention relates to the field of self-powered circuits, in particular to a completely self-powered intelligent system and its circuit system. Background technique [0002] After nearly one or two years of rapid development, wearable devices are improving our lives in an unprecedented way, covering a wide range of fields, including productivity, health and daily life, and are no longer limited to bracelets and watches. and other equipment. At present, more and more companies have invested in the research and development of smart shoes, and have launched their own products one after another, which can be positioned, monitored, kept warm, and can prevent falls. The smart shoe market is showing a scene of contention among a hundred schools of thought. However, like other wearable devices, the poor battery life and unfriendly user experience seriously restrict the further development of its market. [0003] Self-supply technology is currently a popul...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J50/00
CPCH02J7/0063H02J50/00
Inventor 张岩黄瑞
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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