Smart charging pile data transmission device, processing system and method
A data transmission device, transmission device technology, applied in the transmission system, safety device, transportation and packaging, etc., can solve the problem that the charging progress and charging status cannot be checked in real time, the charging demand of electric vehicles cannot be met, and the charging pile has a single function, etc. question
Active Publication Date: 2019-08-06
CERNET CORP +1
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Problems solved by technology
However, the problem with this solution is that most of the current charging piles only have the single function of charging, and cannot perform a good battery state estimation on the charged battery, such as: the remaining service life of the battery, the estimated charging time, etc. etc., users are not allowed to check the charging progress and charging status in real time while waiting for charging, nor can they check their own historical charging information
The charging locations provided are limited, and the charging piles have single functions, and users cannot grasp the charging progress in real time. They are often faced with the situation of grabbing and occupying places, resulting in the majority of students' electric vehicle charging needs still being unsatisfied.
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[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0046] The invention discloses a data transmission device for a smart charging pile, which includes a first communication module, an encryption operation unit and a second communication module;
[0047] The first communication module communicates with the charging pile, receives the original data uploaded by the charging pile, and sends it to the encryption operation unit;
[0048] The encryption operation unit, after performing an encryption operation on the received original data, sends the generated ciphertext to the second communication module;
[0049] The second communication module is configured to upload the ciphertext generated by the encryption operation unit to a remote cloud server for storage.
[0050] Further, the encryption operation unit uses a third-party key generation platform to generate public and private keys for data encryption. Since...
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The invention discloses a smart charging pile data transmission device, a processing system and a processing method, and the transmission device can receive battery state data sent by a lower chargingpile through a first communication module, request public and private key pairs from a third-party agent, and upload the public and private key pairs to a cloud server after finishing encryption. Through the re-encryption technology, when the device uploads the battery state data of the user, even if the secret key is stolen, an attacker cannot konw the uploaded content. The device, system and method is suitable for data transceiving and security encryption when the charging pile needs to upload state data of a user during battery charging to the cloud. Besides, the cloud server stores the data in the MPT data structure according to the keywords, and based on the data integrity verification mechanism, the user is allowed to verify the correctness and integrity of the data on the premise that the user does not need to download the original message, so that the downloading time and downloading bandwidth of the user are greatly saved.
Description
technical field [0001] The invention relates to a data transmission device, a processing system and a method of a smart charging pile, and is particularly suitable for use in a mobile smart charging pile. Background technique [0002] With the popularity of electric vehicles, more and more students choose to travel by electric vehicles in colleges and universities, and such a large number of electric vehicles are facing the problem of charging. charging position. However, the problem with this solution is that most of the current charging piles only have the single function of charging, and cannot perform a good battery state estimation on the charged battery, such as: the remaining service life of the battery, the estimated charging time, etc. Etc., also can not allow the user to check the progress of charging and charging state in real time while waiting for charging, also can not check own history charging information simultaneously. The charging locations provided are ...
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IPC IPC(8): H04L29/06H04L29/08H04W4/40H04W12/00H04W12/04H04W12/10H04W12/03H04W12/041
CPCH04L67/025H04L67/06H04L63/0478H04L63/06H04L63/12H04L67/12H04W4/40H04W12/03H04W12/041H04W12/106H04L67/56
Inventor 黄志武杜威张晓勇蒋富陈彬顾欣刘伟荣彭军杨迎泽李恒
Owner CERNET CORP