Emergency power supply system and power equipment
A technology of power supply system and power equipment, which is applied in the direction of emergency power supply arrangements, electrical components, circuit devices, etc., and can solve problems such as equipment failure, mains failure, internal components damage, etc.
Pending Publication Date: 2022-05-27
苏州弗赛新能源科技有限公司
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Problems solved by technology
[0002] The existing power grid cannot be completely reliable without power outages, and occasionally some uncertain factors (such as bad weather, man-made accidents, etc.) may cause the mains to fail to supply power normally
The sudden power failure of the power grid has a huge impact on the power equipment that is running on electric energy. It will not only cause the equipment to fail to work normally, but may even cause damage to internal components.
Method used
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[0038] In order to make the technical solutions and beneficial effects of the present invention more obvious and easy to understand, the technical solutions in the embodiments of the present application are clearly and completely described below by listing specific embodiments. Obviously, the described embodiments are only the present invention. Some embodiments are claimed, but not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.
[0039] It should be noted that, in this application, words such as "for example" or "exemplary" are used to represent examples, illustrations or illustrations. Any embodiment or design described in this application as "such as" or "exemplary" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "such as" or "ex...
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Abstract
The embodiment of the invention provides an emergency power supply system and power equipment, the emergency power supply system is applied to the power equipment, and the emergency power supply system comprises a current-limiting resistor, a rectifier bridge, an electrolytic capacitor and a switching power supply which are connected between an input end and an output end; the input end is connected with commercial power to input AC commercial power; the current-limiting resistor is connected between the input end and the electrolytic capacitor and is used for limiting the magnitude of current flowing through the rectifier bridge; the rectifier bridge is connected between the input end and the electrolytic capacitor and is used for converting input alternating current mains supply into direct current; the electrolytic capacitor is connected between the rectifier bridge and the switching power supply and is used for storing the electric energy of the direct current converted by the rectifier bridge; the switching power supply is connected between the electrolytic capacitor and the output end and is used for converting the received electric energy into output electric energy with required voltage; the output end is used for providing the output electric energy converted by the switching power supply to a control system of power equipment; therefore, emergency power supply can be provided for the control system during power failure of the power grid, and components are prevented from being damaged.
Description
technical field [0001] The invention relates to the technical field of power electronics, in particular to an emergency power supply system and power equipment. Background technique [0002] The existing power grid cannot be completely reliable and uninterrupted. Occasionally, due to some uncertain factors (such as bad weather, man-made accidents, etc.), the mains may not be able to supply power normally. A sudden power outage in the power grid has a huge impact on the electrical equipment that is running with electrical energy, not only causing the equipment to fail to work properly, but may even cause damage to internal components. [0003] How to solve the problem of emergency power supply of electric equipment when the mains power is suddenly cut off is one of the important problems to be solved urgently in this field. SUMMARY OF THE INVENTION [0004] In view of this, the embodiments of the present application provide an emergency power supply system and power equipm...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H02J9/06
CPCH02J9/061H02J9/068
Inventor 李保健房振东
Owner 苏州弗赛新能源科技有限公司