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Weak light type energy management system and management method and weak light type passive wireless sensor

An energy management system and wireless sensor technology, applied in current collectors, electric vehicles, electrical components, etc., can solve the problems of lack of power monitoring, insufficient sensor power supply, insufficient continuous charging ability, etc., and achieve the effect of improving anti-interference ability

Inactive Publication Date: 2020-04-03
四川瑞霆智汇科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The ability of the solar panel to continuously charge the capacitor module under low light conditions is insufficient, resulting in insufficient power supply for the sensor;
[0006] 2. Lack of monitoring of electric energy leads to unstable power supply to sensors

Method used

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  • Weak light type energy management system and management method and weak light type passive wireless sensor
  • Weak light type energy management system and management method and weak light type passive wireless sensor
  • Weak light type energy management system and management method and weak light type passive wireless sensor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Please refer to figure 2, figure 2 It is a schematic diagram of the circuit structure of the above-mentioned low-light energy management system, the above-mentioned solar energy collection module 1 includes a single crystal solar panel 101; the above-mentioned boost and charge management module 2 includes a boost circuit and a charge management circuit, and the boost circuit includes a boost chip 201 , the charging management circuit includes a charging management chip 202 .

[0047] The implementation principle of the above-mentioned embodiment is: the solar collection module 1 adopts a monocrystalline solar panel 101, its effective area is about 3 square centimeters, the peak opening voltage is about 1V, the peak short-circuit current is about 10mA, and the occupied area is small so that the volume of the system can be reduced. High energy conversion efficiency. The monocrystalline solar panel 101 is connected to the input terminal of the booster chip 201 of the b...

Embodiment 2

[0049] refer to figure 2 An adjustment resistor is provided between the booster chip 201 and the charge management chip 202 in the first embodiment above, and an adjustment resistor is provided between the charge management chip 202 and the energy storage body 3 .

[0050] The implementation principle of the above-mentioned embodiment is as follows: adjusting resistors R15 and R17 are set between the boost chip 201 and the charging management chip 202, and by adjusting the resistance values ​​of the resistors R15 and R17, the output voltage of the boost chip 201 is 5V, which satisfies the charging requirements. Manage chip 202 requirements. Adjusting resistors R13 and R14 are set between the charging management chip 202 and the energy storage body 3. By adjusting the resistance values ​​of R13 and R14, the output charging voltage of the charging management chip 202 can be changed between 2.1V and 26V to meet the requirements of the energy storage body 3. The demand for charg...

Embodiment 3

[0052] refer to figure 2 , the above energy management module 4 includes a voltage monitoring circuit and a voltage stabilizing circuit, the voltage monitoring circuit includes a voltage monitoring chip 401 and a voltage drop diode 402 , and the voltage stabilizing circuit includes a low dropout voltage stabilizing chip 403 .

[0053] The implementation principle of the above-mentioned embodiment is: the voltage monitoring chip 401 is connected with the above-mentioned energy storage body 3 for monitoring the electric energy voltage of the energy storage body 3, and the low dropout voltage stabilizing chip 403 is used for the input voltage of the energy storage body 3 After the voltage is stabilized, it is output to the device. Specifically, the voltage monitoring chip 401 adopts the MCP111 chip, and the MCP111 chip is a voltage monitoring chip that outputs a high level when the input voltage is greater than DC2.7V; the low dropout regulator chip 403 adopts the TPS70933 chip,...

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Abstract

The invention relates to a weak light type energy management system and management method and a weak light type passive wireless sensor. The system comprises a solar energy acquisition module, a boosting and charging management module, an energy storage body and an energy management module, and the solar energy acquisition module is connected with the boosting and charging management module; the boosting and charging management module is used for boosting the electric energy acquired by the solar acquisition module and storing the electric energy into the energy storage body; and the energy management module is connected with the energy storage body and is used for monitoring and stably managing the electric energy of the energy storage body. The solar energy acquisition module collects solar energy and converts the solar energy into electric energy. The boosting and charging management module is used for boosting the electric energy and storing the boosted electric energy into the energy storage body, and the energy storage body is continuously charged under the condition of weak light, and then the energy management module is used for managing the electric energy of the energy storage body, so that the output voltage is conveniently monitored and output in a voltage stabilization manner so as to facilitate continuous and stable energy supply to the sensor under the conditionof weak light.

Description

technical field [0001] The invention relates to the technical field of sensor power supply, in particular to a low-light energy management system, a management method and a low-light passive wireless sensor. Background technique [0002] At present, sensors are widely used in the field of data acquisition, especially in dangerous places such as high-voltage power equipment and lines. Collecting their temperature and humidity data and performing remote monitoring is the first step to realize automatic monitoring. Traditional active wired sensors cannot meet the safety distance requirements of high-voltage power, so passive wireless sensors are generally used to collect temperature and humidity data of high-voltage power equipment, but passive wireless sensors mostly use current, voltage, and wireless power Etc. power supply, the current takes power, there are requirements for the current size, and the device cannot work under low current conditions; the voltage takes power, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/35
CPCH02J7/35
Inventor 陈辉朱宇辰顾泽玉史闯刘清
Owner 四川瑞霆智汇科技有限公司