64results about How to "Master the working status in real time" patented technology

The invention discloses an electric vehicle power management system and method based on PLC control. The electric vehicle power management system comprises a PLC, a voltage polling module, a temperature polling module, a current sensor, an auxiliary power supply and a displayer. The PLC obtains the voltage, the temperature and the current of each battery unit of a vehicle-mounted battery pack in real time through the voltage polling module, the temperature polling module and the current sensor. Then, the PLC calculates the SOC of the vehicle-mounted battery pack and the SOC is displayed by the displayer. According to the electric vehicle power management system and method based on the gating performance of the PLC, the working voltage, the working temperature and the like of a battery cell are monitored in real time through the voltage polling module, the temperature polling module and the like, and the PLC is simple and easy to learn; on the premise that all needed functions are achieved, the electric vehicle power management system and method accord with the logic habits of electrical working personnel, the development cost and the use cost can be reduced, the generality of a control system is improved, necessary detection data are provided for calculation of more accurate SOC, and the improvement of the accuracy of the battery management system is facilitated.

The invention discloses a control method of a manipulator grabbing control system based on binocular stereoscopic vision. The control method comprises the following steps: camera parameters are calibrated, and a teaching manipulator is used for realizing conversion of a camera coordinate system and a manipulator coordinate system; line laser performs an arc surface scanning cloud motion, and a camera acquires images; laser lines of the images shot by the camera are respectively extracted; the positions of the laser lines are precisely determined by using a sub pixel algorithm; the homonymy point matching is performed for the laser lines extracted in the images; three-dimensional space coordinates of all points on the laser lines are calculated through a triangular measuring principle to finish scanning of workpieces in a scene so as to obtain point cloud data in the viewing field of the camera; a workpiece point cloud template is built, a manipulator grabbing point position is selected, and the obtained point cloud data is matched with the workpiece point cloud template to calculate a conversion relation of the two; the manipulator grabbing point position in the point cloud template is converted to a present coordinate, is converted to a coordinate under the manipulator coordinate system, and is transferred to the manipulator; and the manipulator finishes actuation actions.

The invention discloses a deflection prevention control system. The deflection prevention control system comprises a power system, an actuating mechanism, a control valve and an electric system, wherein the power system comprises a one-way pump and a motor. The motor is used for driving the one-way pump to supply hydraulic oil to the system. The actuating mechanism comprises a propulsion cylinder,a hydraulic motor and an impact mechanism; the control valve comprises a three-position four-way electromagnetic directional valve, a two-position three-way electromagnetic directional valve, a pilot-operated overflow valve, a one-way valve, a proportional throttle valve, a propulsion pressure control valve, a propulsion back pressure valve, a filter and a cooler; and the electric system comprises a pressure sensor, a signal amplifier, a signal amplifier set, a signal processor, a data acquisition card, an in-hole factor monitoring system and an in-hole factor and deflection control system. The electric system is used for collecting pressure signals and in-hole factor signals; and the deflection control system is used for controlling the hydraulic valve to act on the propulsion cylinder,the hydraulic motor and the impact mechanism, so that a rock drilling machine is capable of effectively regulating the propulsion pressure in the drilling process, and the situation of drilling deflection can be effectively avoided.

The invention discloses a state monitoring and fault early warning system for electrical equipment, comprising: a plurality of infrared sensors arranged in different parts of the electrical equipment and an equipment end monitoring subsystem, wherein the infrared sensors are used to collect different Infrared thermal imaging data of parts; the equipment-side monitoring subsystem is used to fuse infrared thermal imaging data from multiple infrared sensors with visible light images of electrical equipment to obtain a fused image, and judge each part of the electrical equipment according to the fused image Whether the detected temperature exceeds its preset threshold, and if it exceeds the preset threshold, an early warning will be given and a fusion image will be displayed. Compared with the prior art, the present invention intuitively displays the temperature of the internal parts of the electrical equipment in an image manner through image fusion and recognition and infrared temperature field diagnosis technology, and can understand the working temperature of the internal components of the electrical equipment in real time, so that the user can timely Find the internal fault location of electrical equipment for easy maintenance.