7results about How to "Affect stable operation" patented technology

The invention provides a control method and device for an energy consumption device in a flexible direct-current power transmission system, is suitable for the technical field of offshore wind power, and can effectively improve the fault ride-through capability and operation stability of a direct-current power generation system. The low-frequency control method for the flexible chopping type direct-current energy dissipation device comprises the steps that the bus voltage and the bus current of a direct-current power generation system are obtained, the bus voltage and the bus current are used for determining the surplus power of the direct-current power generation system, and the surplus power is the difference value between the output power of the direct-current power generation system and the input power of an alternating-current system; according to the surplus power and the bus voltage of the direct-current power generation system, the duty ratio of an energy consumption valve switching signal in the direct-current energy consumption device is determined; according to the duty ratio of the energy consumption valve switching signal, a switching strategy of the direct current energy consumption device is determined, and the switching strategy is used for switching on or switching off the direct current energy consumption device to consume surplus power.

The invention provides a hot plug protection circuit and a circuit board, and relates to the technical field of circuit protection. In the hot plug protection circuit, the hot plug protection circuit is applied to a circuit board electrically connected with an external power supply, and an electromagnetic interference filtering module in the hot plug protection circuit is used for performing differential mode and common mode noise filtering on a first voltage output by the external power supply and outputting a second voltage; an electronic fusing module in the hot plug protection circuit comprises a voltage comparison unit and a voltage output unit which are electrically connected in sequence, and the voltage comparison unit is used for carrying out voltage comparison on a second voltage and a maximum voltage threshold value and a minimum voltage threshold value in a preset voltage threshold value range and outputting a voltage comparison signal. The voltage output unit is used for stopping supplying power to a post-stage circuit when the voltage comparison signal indicates that the second voltage is smaller than the minimum voltage threshold value, and outputting a target voltage when the voltage comparison signal indicates that the second voltage is larger than the maximum voltage threshold value; wherein the target voltage is the safe power supply voltage of the post-stage circuit.

The present invention belongs to the technical field of glass kilns, and specifically relates to a process for increasing the temperature of combustion-supporting wind by heat dissipation from a kiln body and a horizontal flame glass kiln, wherein the process is as follows: the area below the kiln body and between two heat storage chambers is closed, and a vent is left in the closed area; when the kiln is in operation, the heat dissipated from the kiln body is concentrated in the closed area below the kiln body, and the air in the closed area below the kiln body is extracted, and the air in the closed area is used as a source of combustion-supporting wind to increase the temperature of the combustion-supporting wind and transport it into the kiln body. In the glass kiln of the present invention, a left heat storage chamber and a right heat storage chamber are respectively provided on both sides of the kiln body, and a closed area is provided below the kiln body and between the two heat storage chambers, one end of the main induced air duct is placed in the closed area, and the other end is connected to the air intake port of the combustion-supporting fan, and the exhaust port of the combustion-supporting fan is connected to the combustion-supporting air main pipe, and the combustion-supporting air main pipe is connected to the kiln body. By utilizing the heat dissipated from the bottom of the kiln body as the source of the combustion-supporting wind, the temperature of the combustion-supporting wind is significantly increased, thereby reducing the melting unit consumption of the kiln.

The utility model relates to a forklift, in particular to an anti-toppling forklift. Comprising a forklift body and a fork arm carrier, a frame body is arranged at the bottom of the forklift body, electric sliding tables are symmetrically installed in the frame body, a weight bearing block sliding front and back in the frame body is arranged between sliding blocks of the two electric sliding tables, a cover plate is arranged on the frame body in a buckled mode, and an inclination angle sensor used for monitoring the inclination angle is arranged on the cover plate; an extension plate is arranged on the top of a fork frame of the fork arm carrier, and air cylinders are symmetrically installed in the extension plate. Through the structural arrangement that the air cylinders drive the side plates and the hinged plates, the stability of goods in the transportation process is ensured, forklift unbalance caused by goods sliding is prevented, the toppling risk is further reduced, meanwhile, the inclination angle of the forklift is monitored in real time by combining an inclination angle sensor and a weight bearing block driven by an electric sliding table, and the safety of the forklift is improved. And the position of the weight bearing block is adjusted according to needs, so that the gravity center of the forklift is dynamically adjusted, and the forklift is effectively prevented from toppling when the forklift carries heavy objects or runs on an unstable ground.

The invention relates to the technical field of plug-in extension, and discloses a dynamic plug-in extension system and method based on xml-pull. Comprising the steps of screening plug-in features from basic information, constructing the plug-in features into an xml file, obtaining extension attributes of the xml file, judging whether the extension attributes meet dynamic extension requirements or not, screening extensible interfaces from interfaces, calculating extension coefficients of the extensible interfaces, and screening target interfaces from the extensible interfaces. Importing the xml file into a target interface of the application program, and analyzing the xml file; compared with the prior art, the method has the advantages that whether the plug-in meets the dynamic extension requirement or not can be preliminarily judged, the phenomenon that the unreasonable plug-in fails in the dynamic extension process is avoided, and meanwhile stable operation of the application program is prevented from being influenced in the dynamic extension process of the plug-in; and the problem that the original program of the application program is interfered when the plug-in dynamically expands is avoided.

This utility model relates to the field of oil and gas extraction equipment technology, specifically to a mixed-transportation and pressurization device for negative pressure gas extraction. It includes a base frame and a mixed-transportation and pressurization main body. An integrated installation box is located on one side of the base frame, and several hydraulic bases are installed on the other side. The mixed-transportation and pressurization main body is housed within the integrated installation box and includes a mixed-transportation pump, a gas-liquid mixing pipeline, and a pressurization unit, used to pressurize the collected gas-liquid mixture and transport it to the gathering and transmission pipeline network. Compared to existing technologies, this application not only ensures the gas-liquid mixed-transportation and pressurization function during negative pressure gas extraction but also, through the inclusion of moving and opening / closing components, enables rapid deployment and position adjustment in complex field environments, thereby improving the equipment's adaptability and emergency response capabilities.

The invention belongs to the technical field of cleaning equipment, and particularly relates to an unmanned cleaning equipment drive-by-wire chassis which comprises a chassis body and a wheel assembly installed at the bottom of the chassis body, and further comprises a driving assembly installed in the chassis body and used for driving the wheel assembly to work; the EPS steer-by-wire assembly is installed in the side, close to a vehicle head, of the chassis body and used for driving the wheel assembly to steer. According to the invention, unmanned cleaning full-process electric control cooperative linkage can be realized, the running track of equipment is accurately controlled, the operation accuracy is improved, garbage and dust integrated cleaning is completed, the cleaning efficiency and the cleaning effect are greatly improved, steering, driving and braking quick response is realized, the unmanned operation safety is improved by means of braking redundancy design, and the working efficiency is improved. All the assemblies are modularly integrated and reasonable in layout, and are adaptive to various unmanned cleaning operation scenes.