Battery protection system based on variable plaintext and variable key aes encryption
A protection system and key technology, applied in the direction of secondary battery repair/maintenance, etc., can solve the problems of inability to protect the circuit, permanent damage to the control system, abnormal system operation, etc., to improve the security performance, and the encryption effect is stable and reliable. , the effect of low computational complexity
Active Publication Date: 2020-08-07
安徽科微智能科技有限公司
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Problems solved by technology
In the traditional control system, the battery power supply module is rarely designed with encryption, or the encryption method of the system is simple, so that the user can purchase a battery with a matching voltage and continue to use it after the factory battery is damaged or aged. Such operations are often overlooked. The hardware engineer's safety protection design for the internal protection measures of the power supply cannot provide real-time circuit protection, resulting in abnormal operation of the system and even irreversible permanent damage to the control system
Method used
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[0018] see figure 1 , a battery protection system based on variable plaintext and variable key AES encryption, including two communication entities, the two communication entities are the sending end and the receiving end, and the receiving end includes a control board, a power supply module, a controller, and a power supply circuit. The two ends of the power supply circuit are respectively connected to the controller and the power supply module;
[0019] The sending end is responsible for generating and sending the encrypted plaintext information and receiving the decrypted plaintext information of the receiving end, and sends a power supply start command to the receiving end according to the matching degree between the decrypted plaintext information and the encrypted plaintext information;
[0020] The power supply module is provided with an encryption board, and the encryption board is responsible for decrypting the encrypted plaintext information sent by the sending end, ...
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The invention discloses a battery protection system based on variable plaintext and variable key AES encryption. The battery protection system comprises two communication entities, wherein the two communication entities are a transmitting terminal and a receiving terminal separately; the receiving terminal comprises a control panel, a power supply module, a controller and a power supply circuit; two ends of the power supply circuit are connected with the controller and the power supply module separately; the battery protection system is characterized in that the transmitting terminal is used for taking charge of generation and transmission of encrypted plaintext information and receiving of decrypted plaintext information of the receiving terminal and issuing a power supply starting command to the receiving terminal according to the matching degree of the decrypted plaintext information and the encrypted plaintext information; an encryption board is arranged in the power supply module; the encryption board is used for taking charge of decrypting the encrypted plaintext information transmitted from the transmitting terminal and feeding back the decrypted plaintext information to the transmitting terminal; and the controller is used for taking charge of receiving a power supply starting command issued by the transmitting terminal and controlling the power supply module and the power supply circuit to supply electricity. According to the battery protection system, the work safety performance of a battery and the system is effectively improved, and the damage to hardware equipment is avoided.
Description
technical field [0001] The invention belongs to the field of battery intelligent control, in particular to a battery protection system based on variable plaintext and variable key AES encryption. Background technique [0002] The control system of small and medium-sized equipment, such as drones, unmanned ships, etc., must be powered by batteries before the system can work. In most cases, the main controller system does not have a backup battery area with sufficient power. Only when the main control system is supplied with external battery power can it issue instructions to control the coordinated work of various sensors in the overall system. [0003] Since the circuit modules of the control system are designed by developers, even in the power supply system, the ratio of components such as capacitors, resistors, and inductors is reasonably designed to meet the needs of system stability. In the traditional control system, the battery power supply module is rarely designed w...
Claims
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IPC IPC(8): H01M10/42
CPCH01M10/42Y02E60/10
Inventor 闵锐邓卓明叶刚
Owner 安徽科微智能科技有限公司