7results about How to "The design idea is simple" patented technology

The utility model relates to the technical field of battery management, and discloses an anti-sparking control circuit and a vehicle, the anti-sparking control circuit comprises a voltage lead-in end, a time delay module, a low-position switch control module and a high-position switch control module; the time delay module is used for charging an internal capacitor through voltage after the voltage leading-in end is externally connected with the voltage; the low-position switch control module is used for being switched on after the charging voltage of the time delay module reaches the starting voltage of the low-position switch control module, so that an internal low-position switch is switched on; the high-position switch control module is used for being connected with a battery management system and enabling an internal high-position switch to be switched on after the low-position switch is switched on so as to convert the level state of an output control signal, and the control signal is used for controlling a discharging switch tube in the battery management system to be switched on, so that ignition is prevented and the battery pack is controlled to discharge. The battery pack is controlled to supply power to the vehicle in a delayed mode, the sparking phenomenon is avoided, and the design thought is simpler, controllable and reliable.

The invention discloses a low-frequency enhancement design method of an irregular sound cavity, a storage medium and equipment. According to the irregular sound cavity low-frequency enhancement design method, the initial angle relation and the initial assembly data of each assembly surface of the passive radiator are processed by establishing the model, so that the final angle relation and the final area data of different assembly surfaces are obtained; obtaining assembly quality data of the passive radiators according to the final angle relation and the final area data, and selecting specifications of the plurality of passive radiators according to the final angle relation, the final area data and the assembly quality data of the passive radiators, according to the invention, under the condition that the volume of the sound cavity is not lost, the low-frequency jitter of the cavity can be reduced to the greatest extent, the requirements of low-frequency improvement of sound quality and prevention of vibration of the whole machine can be synchronously met, and the design thought is simple and efficient.

The invention provides an intelligent power supply regulation and control method and system for a low-voltage protection circuit, and relates to the technical field of power circuit design, the system comprises a voltage stabilizing diode, an NMOS tube, a PMOS tube, a capacitor and a plurality of resistors, and the plurality of resistors comprise a first resistor, a second resistor, a third resistor and a fourth resistor. Power supply input is automatically cut off, the conditions of circuit malfunction, electronic component damage and the like caused by too low voltage are avoided, the simple circuit design means that the used components are fewer, the circuit cost is lower accordingly, and due to the simple and efficient design thought, the circuit can be suitable for most power supply circuits, and the application range is wide. And various low-voltage cut-off requirements can be met only by slight modification.

According to the identity card number retrieval method provided by the invention, the character string with the same length as the identity card number is extracted from the initial data set on the basis of the number part capable of determining the content in the identity card, namely the first two digits of the year data, and then the extracted character string is verified through the existing identity number verification mode; whether the identity number is a real identity number is confirmed, so that the problem of inaccurate identity card verification result caused by mixing of numbers and characters is avoided; the method is simple in design thought and convenient to implement, and is particularly suitable for accurately positioning the identity card number in the character string with mixed characters and numerical values.

The present application discloses a low-frequency enhancement design method, storage medium and device for an irregular sound cavity. The low-frequency enhancement design method for an irregular sound cavity of the present application processes the initial angle relationship and initial assembly data of each assembly surface of the passive radiator by establishing a model to obtain the final angle relationship and final area data of different assembly surfaces, obtains the assembly quality data of the passive radiator according to the final angle relationship and final area data, selects the specifications of the multiple passive radiators according to the final angle relationship, final area data and assembly quality data of the passive radiator, and then adjusts the selection specifications of the passive radiator according to whether the resonant frequency of the irregular sound cavity meets the requirements. The present application can minimize the low-frequency jitter of the cavity without losing the volume of the sound cavity, and can simultaneously meet the needs of improving the low-frequency sound quality and preventing the vibration of the whole machine. The design idea is simple and efficient.

The utility model relates to the technical field of tunnel light transition zone structures, in particular to a tunnel light transition zone top opening anti-falling device which comprises a double-layer stacked anti-falling structure, and the anti-falling structure is installed on the top face of a side wall of a top opening of a tunnel light transition zone through a fixing piece and covers the range of the top opening. The anti-falling structure comprises a stainless steel woven mesh located on the upper layer and a stainless steel mesh located on the lower layer, wherein the mesh size of the stainless steel woven mesh is smaller than that of the stainless steel mesh. The utility model has the advantages that the operation period safety of the perforated structure is ensured while the light transmission effect of the light transition zone is not influenced; through the design of a double-layer anti-falling structure, the anti-falling effect is improved; and the design thought is simple, the construction step sequence is concise, the structural integrity is good, good innovativeness and application value are achieved, and the method is suitable for popularization.

This invention discloses a vehicle-machine collaborative scheduling method for onshore wind farm inspection, comprising: combining trucks and drones into inspection units as the basic execution units for completing wind farm inspection tasks; acquiring and organizing basic information on wind farm inspection scheduling; establishing a vehicle-machine collaborative scheduling model for onshore wind farm inspection, with the objective function being minimizing the total inspection cost under constraints; using a genetic algorithm based on a neighborhood search strategy to solve the model and obtain the optimal wind farm inspection scheduling scheme; and generating truck driving paths and drone inspection paths based on the optimal scheme to complete the wind farm inspection task. This invention solves the technical problem in existing technologies where truck path planning and drone task allocation fail to coordinate effectively, leading to insufficient rationality in inspection resource allocation, inability to maximize operational efficiency, and consequently increased inspection costs and reduced inspection quality. It has good application prospects and promotional value.