The relay adhesion detection is a judgment means for judging whether a high-voltage relay is adhered or not by a battery management system of the new energy electric vehicle at present, and a relay adhesion detection module is composed of a detection circuit and a detection strategy, namely a hardware part and a software part.
Learn MoreThe invention belongs to the technical field of electric automobiles, and particularly relates to a battery pack high-voltage topological structure and a relay adhesion detection method based on the structure. The invention provides a simplified high-voltage topological structure of a battery, which effectively reduces the weight of a battery system and saves space.
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Learn MoreThe invention belongs to the technical field of automobile battery management and particularly relates to an adhesion detection protective circuit for automobile battery relays. The adhesion detection protective circuit comprises a battery management unit (BMU), a battery pack, the main positive relay and the main negative relay. The main positive relay …
Learn MoreThe detection of internal water accumulation in the battery swapping station is also very important, so it needs to be checked whether the rainwater in the battery cartridge is completely discharged to prevent internal electrical short circuits and guarantee the safety and reliability of the battery in the battery swapping station.
Learn MoreTesting the adhesion strength allows prediction of the mechanical bond before it is actually used. Available from ZwickRoell is an ideal solution consisting of an AllroundLine materials testing machine plus a special …
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Learn MoreAdhesion-based microfluidic devices seem to be a reliable solution compared to the sophisticated detection techniques used in other microfluidic cell sorting systems. It provides the specificity in detection, label-free separation without requirement for a preprocessing step, and the possibility of targeting rare cell types.
Learn MoreThe utility model discloses a kind of distributing cabinet frame to try breaker adhesion detector, including guide rail, the guide rail is slidably connected with the slide opening of the first sliding block and the slide opening of the second sliding block respectively, first sliding block is located at the top of the second sliding block, the trailing flank of first …
Learn MoreThe invention provides a device and a method for detecting adhesion of a battery pack contactor, wherein the device comprises a battery pack, a contactor K2, a contactor K3, a resistor Rpre, a capacitor and a constant voltage signal source with voltage of Vs, wherein one end of the contactor K2 is connected with the anode of the battery pack, the other …
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Learn MoreThe present invention relates to a kind of relay adhesion detection method, its method includes：Detection before closing relay：The first continuous sampling b points magnitude of voltage Vb1 in limiting time, if magnitude of voltage Vb1 is unchanged before and after b points, judges that preliminary filling relay K1 and master relay K2 states are …
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Learn MoreThe invention discloses a battery system relay adhesion detection and …
Learn MoreThe detection, isolation and sorting of cells are important tools in both clinical diagnostics and fundamental research. Advances in microfluidic cell sorting devices have enabled scientists to ...
Learn MoreTL;DR: In this article, a high-voltage relay adhesion detection circuit of a …
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