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Dual-battery switching structure of portable general life support system adapted to field environment

A life support system and a portable technology, which is applied in the field of power supply devices for portable general life support systems, can solve problems such as the inability to realize the priority use of detachable batteries, the reduction of the service life of fixed batteries, and the failure of automatic shutdown of batteries, etc., so as to improve battery life , improve reliability and avoid voltage stress problems

Active Publication Date: 2021-08-31
SANHE KEDA IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this switching method has the following defects: 1) the dual batteries are connected in parallel, and there will be inconsistent output voltages, which will cause some functions of the portable general life support system to be degraded; 2) the priority use of the removable battery cannot be realized, resulting in fixed The service life of the battery is reduced; 3) When the portable life support system is not in use, the battery cannot be automatically shut down, the power consumption is large, and the battery is prone to over-discharge for long-term storage

Method used

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  • Dual-battery switching structure of portable general life support system adapted to field environment
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  • Dual-battery switching structure of portable general life support system adapted to field environment

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] The portable universal life support system of the present invention has a built-in life support system, a detachable battery, a fixed battery and a dual-battery switching structure, wherein the output ends of the detachable battery and the fixed battery are connected to the power input end of the life support system for life support. Support system power supply; the dual-battery switching structure is connected to the removable battery and the fixed battery respectively, and is used to control the coordinated operation of the two batteries to increase stable power for the life support system.

[0025] A dual-battery switching structure for a portable general life support system adapted to the field environment, its specific electrical principles are as follows: Figure 1-3 shown. It mainly includes buck-boost module, A chargin...

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Abstract

The invention discloses a dual-battery switching structure of a portable general life support system adapted to a field environment, and the structure comprises a buck-boost module electrically connected with an external adapter, and a charging module A and a charging module B for charging a fixed battery A and a detachable battery B. The output ends of the fixed battery A and the detachable battery B are connected with a switching circuit; the output end of the switching circuit and the output end of the buck-boost module are connected with the input end of the main power supply branch and the input end of the single-chip microcomputer power supply branch, and the output end of the main power supply branch is connected with a mainboard of the portable general life support system to supply power to the portable general life support system. The output end of the single-chip microcomputer power supply branch circuit is connected with a power management module used for controlling the charging module A, the charging module B, the switching circuit and the main power power supply branch circuit to work coordinately. According to the invention, dynamic distribution of system power can be realized, power is provided to the system to supply power to the maximum, and charging power does not need to be reserved, so continuous work of the portable general life support system in a field environment is effectively guaranteed.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a power supply device for a portable universal life support system adapted to field environments. Background technique [0002] The extracorporeal life support system can keep the organs alive until the organs recover when treating critically ill patients, and provide time for further diagnosis and treatment or transfer to a professional medical center for treatment. Starting from the actual rescue situation, when the wounded appear, the rescue time is very precious, and sometimes it is necessary to carry out timely rescue on the spot, so the portable universal life support system is very necessary. However, it is difficult to obtain electricity in the field environment, and the types of injuries of the wounded are various. Therefore, the portable general life support system needs to have a certain endurance. [0003] With the continuous development of medical devices, m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/34
CPCH02J7/0013H02J7/0031H02J7/00306H02J7/00304H02J7/00308H02J7/00309H02J7/0047H02J7/00712H02J7/34
Inventor 李会凤史长虹
Owner SANHE KEDA IND
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