A method of can current sharing with grouping function
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A function and average current technology, applied in the field of CAN current sharing, can solve problems such as unsatisfactory, and achieve the effect of low cost, simple current sharing process, and easy maintenance and management
Active Publication Date: 2020-03-31
深圳市匠能智造信息技术有限公司
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[0003] The existing CAN current sharing technology is mainly to share the current of all modules at the same time, that is, each module in the system outputs a current of almost the same size. Satisfy
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[0034] The present invention is further described below in conjunction with accompanying drawing and embodiment:
[0035] Such as figure 1 and figure 2 As shown, a method of CAN current sharing with grouping function, including:
[0036] Step S1: The upper computer or monitoring system starts to send data;
[0037] Step S2: Judging the group of the received power module data, specifically including step S21 and step S22;
[0038] Step S21: when the received data is the data of the power module of Group A, proceed to step S211;
[0039] Step S211: judge whether it is the data received by mailbox 1, if it is the data received by mailbox 1, proceed to step S212; if it is not the data received by mailbox 1, then end the execution and return the result;
[0040] Step S212: judge whether there is a grouping order, if there is a grouping order, then proceed to step S23, if there is no grouping order, then end execution and return result;
[0041] Step S22: when the received dat...
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Abstract
The invention discloses a CAN flow equalizing method with a grouping function. The method comprises the steps of S1, starting to send data; S2, judging the group type; S21, when A groups of power module data are received, executing S211; S211, judging whether the data belongs to a mailbox 1 or not, and if yes, executing S212; if the data does not belong to the mailbox 1, returning the result; S212, judging whether a grouping command exists or not, if yes, executing S23, and if not, returning the result; S22, when B groups of power module data are received, executing S221; S221, judging whetherthe data belongs to a mailbox 2 or not, and if yes, executing S222; if not, returning the result; S222, judging whether a grouping instruction exists or not, if yes, executing S23, and if not, returning the result; S23, updating the group type according to the grouping command, and modifying the ID of an internal communication mailbox 0; S3, returning the result. By means of the CAN flow equalizing method with the grouping function, a power module is grouped, and then flow equalizing is achieved.
Description
technical field [0001] The invention relates to a CAN current sharing method with grouping function. Background technique [0002] With the modularization of the power supply, the current sharing technology has been more and more widely used in the field of power supply technology. The parallel connection of multiple modules has the advantages of strong reliability, reduced design difficulty, easy maintenance and management, easy expansion, and suitable for large-scale production. [0003] The existing CAN current sharing technology is mainly to share the current of all modules at the same time, that is, each module in the system outputs a current of almost the same size. satisfy. [0004] The above deficiencies need to be improved. Contents of the invention [0005] In order to overcome the deficiencies of the existing technologies, the present invention provides a CAN current sharing method with a grouping function. [0006] Technical solution of the present invention...
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