Full-range current detection circuit for multi-load window opener
A current detection circuit and detection circuit technology, applied in the field of circuits, can solve problems such as unsatisfactory current detection circuits, unfavorable product development and production, and certification
Pending Publication Date: 2018-10-12
盖泽工业(天津)有限公司
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Problems solved by technology
[0003] When connecting different loads, that is, 5A loads, the corresponding current detection circuit cannot meet this requirement, and can only be satisfied after the corresponding feedback circuit is replaced.
[0004] However, as the load changes, the circuit can only be adjusted passively to meet the requirements of different loads, which is unfavorable for product development, production and certification.
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[0018] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0019] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...
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The invention provides a full-range current detection circuit for a multi-load window opener. The circuit comprises a high-side current detection circuit unit and a low-side current detection circuitunit,wherein the high-side current detection circuit unit is connected with a power input interface and a window opener input interface,the low-side current detection circuit unit is connected with awindow opener input interface and a power output interface,and the output end of the high-side current detection circuit unit and the output end of the low-side current detection circuit unit are connected with an MCU. According to the circuit,a high-side current detection function and a low-side current detection function are used at the same time,so that the current detection circuit completes feedback of a full-range current value in a specified current,then a whole system clearly knows the output real-time state of loads,and a user can perform corresponding application according to the detected current value.
Description
technical field [0001] The invention belongs to the technical field of circuits, and in particular relates to a full-range current detection circuit for a multi-load window opener. Background technique [0002] The current detection technology of the current drive control box can only meet the demand of fixed current detection, that is, the load current of this circuit is 10A, so the corresponding current detection range is 10A±10%. [0003] When connecting different loads, that is, 5A loads, the corresponding current detection circuit cannot meet this requirement, and can only be satisfied after the corresponding feedback circuit is replaced. [0004] However, as the load changes, the circuit can only be adjusted passively to meet the requirements of different loads, which is unfavorable for product development, production and certification. Contents of the invention [0005] In view of this, the present invention aims to propose a full-range current detection circuit fo...
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IPC IPC(8): G01R19/25
CPCG01R19/25
Inventor 刘鑫雷丽华张培松
Owner 盖泽工业(天津)有限公司