3results about How to "Simplified installation requirements" patented technology

The invention discloses a single-line in-out photovoltaic turn-off device, a photovoltaic control assembly and photovoltaic equipment, the single-line in-out photovoltaic turn-off device is connected in series between two photovoltaic assemblies, and the single-line in-out photovoltaic turn-off device comprises an input port and an output port which are respectively connected with the output end of one photovoltaic assembly and the input end of one photovoltaic assembly; the input end of the switching circuit is connected with the input port, and the output end of the switching circuit is connected with the output port; the input end of the turn-off signal acquisition circuit is connected with the input port, and the turn-off signal acquisition circuit is used for acquiring a turn-off trigger signal output by the photovoltaic module and outputting a turn-off signal; the input end of the switch control circuit is connected with the output end of the turn-off signal acquisition circuit, the output end of the switch control circuit is connected with the controlled end of the switch circuit, and the switch control circuit is used for controlling the switch circuit to be turned off according to the turn-off signal. The invention aims to simplify the structure of the single-line incoming and outgoing photovoltaic turn-off device.

This application relates to an LN phase inversion detection and correction circuit and an energy storage device, comprising: a first relay and a second relay; a comparison and judgment module, configured to compare a first voltage signal and a second voltage signal and output a first phase difference judgment signal when the first relay is closed; or, to compare the first voltage signal and the second voltage signal and output a second phase difference judgment signal when the second relay is closed; and a driving module, configured to drive the first relay to close and the second relay to open when the first phase difference judgment signal indicates that there is no phase difference; drive the second relay to close and the first relay to open when the first phase difference judgment signal indicates that there is a phase difference; or, drive the second relay to close and the first relay to open when the second phase difference judgment signal indicates that there is no phase difference; and drive the first relay to close and the second relay to open when the second phase difference judgment signal indicates that there is a phase difference. This circuit can realize LN phase inversion detection and correction.

The present application discloses a Hall chip, a Hall sensor and a method for detecting magnetic field components. The Hall chip includes a substrate and a magnetizing body, on which at least four magnetic sensing parts and electrode parts electrically connected to the at least four magnetic sensing parts are formed, and the at least four magnetic sensing parts are distributed in a quadrilateral to form two magnetic sensing parts arranged on a first diagonal and two magnetic sensing parts arranged on a second diagonal, and the orientation of each magnetic sensing part is parallel or approximately parallel to the direction of its corresponding diagonal, and the magnetizing body is covered on the substrate, and the positive projection of the magnetizing body on the substrate has a contour boundary, and the contour boundary is at least partially located in the central area of ​​each magnetic sensing part. The Hall chip has the technical effects of low cost, high installation tolerance, miniaturization and detection of XYZ three-axis magnetic field, and by making the orientation of each magnetic sensing part parallel or approximately parallel to the direction of its corresponding diagonal, it is beneficial to improve the installation tolerance of the magnetizing body and simplify the installation requirements.