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Wireless sensor network-based emergency illumination circuit and power supply method thereof

A wireless sensor and emergency lighting technology, which is applied to lighting devices, electric light sources, electrical components, etc., to achieve the effect of facilitating daily maintenance

Inactive Publication Date: 2017-02-22
江苏银佳电子设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the invention: In order to solve the above technical problems, the present invention provides an emergency lighting circuit based on a wireless sensor network and its power supply method, which can ensure the normal operation of the lighting branch when the power bus cannot supply power normally

Method used

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  • Wireless sensor network-based emergency illumination circuit and power supply method thereof
  • Wireless sensor network-based emergency illumination circuit and power supply method thereof

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] like figure 1 Shown is a circuit structure diagram of an embodiment of the present invention, including a power bus L, an illumination power supply bus N, a ground wire GND, an energy storage unit, a contactor I, a contactor II, a voltage sensor, a comparator, a transformer and a circuit breaker I; Circuit breaker I acts as a main circuit breaker, providing overload and short-circuit protection for devices between the power bus L and lighting power supply bus N; the input end of circuit breaker I is connected to the power bus L, and the output end passes through the energy storage unit and contactor II The formed series branch is connected to the lighting power supply bus N; the voltage sensor collects the voltage at both ends of the energy storage unit and inputs the voltage data to the first input terminal of the comparator; the second input terminal of the co...

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Abstract

The present invention relates to a wireless sensor network-based emergency illumination circuit and a power supply method thereof. The wireless sensor network-based emergency illumination circuit comprises a power supply bus, an illumination power supply bus, a ground wire, an energy storage unit, a contactor I, a contactor II, a voltage sensor and a comparator. The illumination power supply bus is connected with a plurality of shunt-wound load branches, and each load branch is connected with a detection unit. Firstly, by closing the contactor I, the power supply bus charges the energy storage unit, after the energy storage unit is fully charged, by disconnecting the contactor I, and closing the contactor II, the power supply bus supplies power to the illumination power supply bus. The detection unit is used to detect the fault information of each load branch, constructs a ZigBee network by an own ZigBee module, and interacts with a remote control center via the ZigBee network. According to the present invention, the normal work of the load branches can be guaranteed on the condition that the power supply bus can not supply power normally, at the same time, the fault situations of the load branches can be obtained, and the daily maintenance is convenient.

Description

technical field [0001] The invention relates to the field of emergency lighting lamps, in particular to an emergency lighting circuit based on a wireless sensor network and a power supply method thereof. Background technique [0002] Emergency lights are usually used in emergency situations, and in emergency situations, the original power bus may not be able to supply power to the emergency lights due to damage or other reasons. In addition, each lighting branch circuit may also fail to work normally when an emergency occurs due to long-term non-use of components or circuit damage. Contents of the invention [0003] Purpose of the invention: In order to solve the above technical problems, the present invention provides an emergency lighting circuit based on a wireless sensor network and its power supply method, which can ensure the normal operation of the lighting branch when the power bus fails to supply power normally. At the same time, the failure status of each load b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/00H05B45/37Y02B20/30
Inventor 季程荣朱忠伟肖练姚建明施兴荣张立新
Owner 江苏银佳电子设备有限公司
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