34results about How to "Avoid bad situations" patented technology

The invention discloses a corn threshing device and relates to the technical field of corn threshing. The progressive corn threshing device based on the geometric relationship of the space coordinate axis includes a body, the left side of the top of the body is provided with a material inlet, and the right side of the inner wall of the body is fixedly installed with a guide slide plate, and the bottom of the guide slide plate is provided with a A support plate, and the front and rear sides of the support plate are respectively fixedly connected with the front and rear sides of the inner wall of the body, the middle part of the top of the support plate is provided with a first rotating motor, and the output shaft of the first rotating motor is sleeved with a driving gear. The corn threshing device based on the progressive geometric relationship of the spatial coordinate axis effectively solves the problem of It solves the problem that the traditional corn thresher cannot perform relatively complete threshing of the corn kernels at both ends of the corn.

In an open showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2 , cold air is discharged from cold air discharge ports 16, 17 provided in an upper edge of a front surface opening 12 of the display chamber 11 , and sucked into cold air suction ports 18, 19 provided in a lower edge of the opening 12 , to form a cold air curtain in the front surface opening 12 of the display chamber 11 , the open showcase includes a hand rail main body 24 provided on an upper end of a front wall 2 C of the insulating wall 2 positioned outside the cold air suction ports 18, 19 , a reflective plate 26 provided on the hand rail main body 24 , and LED lights 40 attached to the reflective plate 26 , and the inside of the display chamber 11 is illuminated with light emitted from the LED lights 40. There is disclosed an open showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber.

The power-on self-detection method of the energy storage system and its application device and system provided by the present invention, when the positive relay and / or the negative relay in each battery cluster in the energy storage system are disconnected, the PCS controller controls the battery in the PCS. The main power circuit is soft-started, so that the DC side of the PCS establishes a DC voltage and receives the detection value of the DC voltage; then controls the positive and negative relays in the BCP to close; and then receives the output terminals of each battery cluster through the CMU in each battery cluster The detection value of the voltage; if the output terminal voltage of each battery cluster and the DC voltage meet the corresponding relationship, it is determined that the positive and negative terminals of the output terminal of each battery cluster are connected normally; Determine the abnormality of the positive and negative wiring of the output terminal of the corresponding battery cluster; and then realize the self-inspection of the wiring between the battery cluster and the BCP of the energy storage system before starting up, and avoid bad situations caused by wiring errors.

The invention relates to a flash capturing, early-warning and avoidance method of a power grid. The method comprises the steps of 1, an early-warning scheme, in which the early-warning scheme is divided into two-stage early-warning: (1) a flash signal is captured by an integrated protection device reserved for partitioning of a high-voltage cabinet so as to achieve that early-warning is used as secondary early-warning; and (2) a primary early-warning system is built in order to further improve capturing accuracy and comprises a phase sequence protector KH, two indication lamps X1 and X2, an alarm bell JL, an intermediate relay KA1 and a manual button SB1, and a filter capacitor is arranged in the phase sequence protector KH; and 2, an avoidance scheme, in which the avoidance scheme is matched with the primary early-warning scheme and the secondary early-warning scheme which are set, equipment which is used for providing an energy source for a whole company every time during shutdown due to flash of the power grid comprises a large-size air compressor and a large-size refrigerator, and a flash prevention measure is targetedly taken. By employing the scheme and combining rapid reaction and close surveillance of personal and by multiple experiments and verification, the important equipment is basically enabled not to be shutdown during flash of the power grid, and the safety of the production line of the whole company is ensured.

In present system of using wave energy, structure of air chamber is an important point. In general protection method, a flush flow unit is setup in structure of air chamber, but this arrangement has obvious disadvantages. Disclosed protection unit as a flush flow orifice is arranged on top of air chamber. Under operating state, the flush flow orifice is closed by a cover board. Compressed air inside the air chamber through aeration conduit impacts turbine to drive power set to generate energy. In case of abnormal circumstance happening, pressure is increased inside air chamber. The protection unit is opened automatically. Pressure is discharged from top of the air chamber so as to protect safety of structure of air chamber, turbine and power set.

The present invention provides a gas integration unit capable of reducing base space. In the gas integration unit, setting first gas units (72A, 72B, 72C), for controlling the supply of a first gas; a second gas unit (73), connecting with the first gas units (72A, 72B, 72C) and controlling cleaning gas converging to the first gas units (72A, 72B, 72C) by means of a plurality of fluid control components (31 to 34, 38A to 43a, 38B to 43B, 38C to 43C); and stackup blocks (61A, 61B, 61C), stacking on the first gas units (72A, 72B, 72C) and stacking parts (38A 38B, 38C) of the fluid control components on the stackup blocks (61A, 61B, 61C).