3results about How to "Good economic use value" patented technology

The utility model provides a kind of modular combination's energy storage cabinet structure, AC cabinet and DC cabinet separate modularization design, can be combined into different specifications energy storage cabinet according to demand, reduce assembly manufacturing and design cycle, low in cost;Including base body and top plate, base body is equipped with limit slide, the DC cabinet and AC cabinet bottom corresponding limit slide are equipped with corresponding limit sliding slot, DC cabinet and AC cabinet are installed on base body by limit slide, limit sliding slot cooperation and side by side, and connect common top plate to be combined into energy storage cabinet, DC cabinet and AC cabinet are two separate closed cabinet body structure, the cabinet plate of AC cabinet adjacent side with DC cabinet is opened with wiring through mouth, detachably assembled with the butt joint shell corresponding to wiring through mouth on the cabinet plate of DC cabinet, accommodation cavity is formed between wiring through mouth and butt joint shell, butt joint female head in DC cabinet is installed in accommodation cavity, butt joint male head in AC cabinet is connected with butt joint female head by wiring through mouth.

The utility model provides a rail transit door system general electrical control box, it can effectively solve the problem that the existing control box has poor versatility, low research and development efficiency and insufficient reliability, including the box, be provided with power button, operating button, touch display screen and external interface connector on the box, be provided with power module, control module, terminal row, power switch, safety relay in the box, commercial power is connected in power module after power switch, power button in proper order, to convert commercial power into DC110V output, the output of power button is connected in control module, touch display screen and control module communication connection, terminal row, operating button, safety relay all are connected between DC110V output of power module and control module, terminal row is connected with external interface connector.

The application provides a detection circuit and method of firing current, which can realize accurate collection of firing current, is convenient to operate and has high measurement precision; the detection circuit and method comprise a detonation current sampling module, a comparison module and a trigger module; the comparison module is connected with the detonation current sampling module and is used for judging whether there is firing current; the trigger module is connected with the detonation current sampling module and the comparison module and is used for receiving an output signal of the comparison module and sending a level trigger signal to the detonation current sampling module; the detonation current sampling module comprises a current sampling unit, which is connected with the firing loop and the comparison module, is used for sampling input current and sends a current signal to the comparison module; and a sampling holding unit, which is connected with the current sampling unit and the trigger module, is used for sampling and storing input current according to the level trigger signal and keeping current peak value output.