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4results about How to "Save development time" patented technology

Battery module heat insulation pad type selection method and test system

The invention discloses a battery module heat insulation pad type selection method and a test system, and belongs to the technical field of batteries, the battery module heat insulation pad type selection method comprises the steps that a to-be-tested battery module is acquired, the to-be-tested battery module comprises a plurality of battery cells and a plurality of heat insulation pads, the plurality of battery cells are arranged at intervals along a first direction, and the plurality of heat insulation pads are arranged at intervals along a second direction; a heat insulation pad is arranged between any two adjacent battery cells in the plurality of battery cells, the plurality of battery cells comprise a target battery cell, and the heat insulation capacities of the plurality of heat insulation pads are gradually increased along the direction far away from the target battery cell in the first direction; triggering thermal runaway of the target cell; and determining a thermal runaway propagation stop position in the direction away from the target cell. Thus, the heat insulation performance of a plurality of heat insulation pads can be tested at the same time through one test, the sample cost, the test cost and the development time are saved, and the test efficiency is greatly improved.
Owner:BEIJING YIWEI LITHIUM ENERGY CO LTD

Universal vehicle controller for rail transit and control method thereof

ActiveCN117227790BImprove scalabilityImprove the reuse of development technology achievements
A kind of rail transit general vehicle controller and its control method, rail transit general vehicle controller includes automatic train protection unit, automatic train driving unit, driver train interface unit, vehicle input and output unit, speed measurement distance unit, transponder transmission unit, track circuit information receiving unit, data recording unit and wireless communication unit by high-speed real-time communication bus with each other.The general vehicle controller is run in single mode control mode, the protection unit in the automatic train protection unit that matches the current operating line mode is as the current main control protection unit, and the current main control protection unit exclusively accesses other equipment unit;General vehicle controller is run in multimode control mode, the protection unit in the automatic train protection unit that matches the current operating line mode is as the current main control protection unit in turn, and the current main control protection unit shares access other equipment unit.The vehicle-mounted product architecture of the application is unified, product reuse degree is high, easy to extend.
Owner:CASCO SIGNAL LTD

Engine oil pump pressure relief valve structure

ActiveCN224705962UImprove resistance to dirty oilavoid sticking
This utility model relates to a pressure relief valve structure for an engine oil pump, including an oil pump housing and a pressure relief valve assembly. The connection between the oil pump housing and the pressure relief valve assembly is provided with an internal thread. The oil pump housing is threadedly connected to the external thread of the valve stem on the pressure relief valve assembly via the internal thread. The oil pump housing and the pressure relief valve assembly are sealed by a top sealing ring and a bottom sealing ring fitted on the pressure relief valve assembly. This utility model solves the problem of oil pump pressure relief valve jamming; avoids risks such as lubrication system seal leakage and engine cylinder scoring; and saves oil pump development time and costs.
Owner:DONGFENG CUMMINS ENGINE