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11results about How to "Avoid overuse" patented technology

Differential derivative structure circuit based on three-coupling transformation and amplifier

The invention discloses a differential derivative structure circuit based on three-coupling transformation and an amplifier, and relates to the technical field of amplification circuit design. The differential derivative structure circuit comprises a three-coupling inductance network and N output parts. Through a three-coupling transformation mode, power supply of a main amplifier tube and an auxiliary amplifier tube in a differential derivative structure formed by connecting MOS tubes in parallel is integrated into an inductance matching network, so that homologous coupling of the main amplifier tube and the auxiliary amplifier tube on a radio frequency signal path is realized, physical isolation and independent bias control are also realized on a direct current path, and the power supply efficiency is improved. Therefore, a resistor does not need to be used, excessive use of a capacitor is avoided, loss caused by self impedance of the capacitor and ground parasitic capacitance loss are reduced, gain is greatly improved, extra area occupation caused by the capacitor and the resistor is effectively inhibited, and thermal noise introduced by the resistor is eliminated by utilizing the characteristic of low impedance of inductive coupling. Therefore, post-stage noise is effectively suppressed, and the noise coefficient is reduced.
Owner:UNIV OF SCI & TECH OF CHINA

Cleaning device for magnetic core machining

The utility model discloses a cleaning device for magnetic core processing, which belongs to the technical field of magnetic core cleaning and comprises a support frame, a water tank is arranged in the support frame, a shell is arranged at the top of the support frame, and a filter component for filtering cleaning fluid is arranged in the water tank. A conveying assembly for adding a cleaning agent into the water tank is further arranged on the supporting frame, through the arranged filtering assembly, the effect of filtering the cleaning liquid flowing into the water tank from a conveying net belt is achieved, impurities in the cleaning liquid can be effectively removed, the cleaning effect of the cleaning liquid is prevented from being reduced, and the service life of the cleaning liquid is prolonged; through the arranged conveying assembly, the effect of adding the cleaning agent into the water tank is achieved, the adding amount of the cleaning agent can be accurately controlled, the optimal concentration of the cleaning agent is maintained, the cleaning effect is guaranteed, excessive use of the cleaning agent can be avoided, waste is reduced, and cost is reduced.
Owner:ZHEJIANG TONGDA MAGNET IND

A function insertion method, a patch package generation method, a device, an apparatus and a medium

ActiveCN115544512BReduced number of instrumentationreduce sizeSoftware maintainance/managementPlatform integrity maintainance
The present disclosure provides a function insertion method, a patch generation method, a device, an apparatus and a storage medium. The function insertion method comprises: obtaining a function call relationship graph corresponding to a target application program by analyzing source code of the target application program. A node in the function call relationship graph is used to represent a function in the source code, and a directed edge between adjacent nodes in the function call relationship is used to represent a call relationship between the adjacent nodes. The function corresponding to the node with an in-degree of 0 in the function call relationship graph is stored in a preset function list. In the source code of the target application program, the functions in the preset function list are inserted to obtain a software package corresponding to the target application program. Since the present disclosure only inserts the functions corresponding to the root nodes with an in-degree of 0 in the function call relationship graph of the application program, the number of inserted functions of the application program is greatly reduced, the size of the software package of the application program is reduced, and the excessive occupation of system resources of the user is avoided.
Owner:BEIJING ZITIAO NETWORK TECH CO LTD

Intelligent gas meter dual power supply switching power supply circuit

ActiveCN224418500Uavoid overuseExtended service lifeCapacitanceConstant power
The utility model relates to an intelligent gas meter dual power supply switching power supply circuit, which adopts dual power supply design, automatically switches to the power supply with higher voltage by utilizing the voltage drop characteristic of diode, and does not need external control unit. At the same time, super capacitor is added as backup power supply to provide emergency power supply when dual power supply is powered off, ensuring data storage and valve operation. The power output module also has power supply control function, and realizes intermittent power supply or constant power supply through MOS tube, meeting the low power consumption requirement. In addition, the voltage conversion module works cooperatively to meet the high and low voltage load requirement, reduce power consumption, and prolong battery life. This design significantly improves the stability and reliability of the intelligent gas meter power supply system, providing users with more durable and stable use experience.
Owner:杭州先锋电子技术股份有限公司

Temperature sensor for energy storage battery adapted to high temperature and salt condition

The application provides a temperature sensor for energy storage battery which is suitable for high temperature and salt conditions, comprising an inner shell, an outer shell, a temperature sensor and two outer leads. The hardness and insulation of the inner shell are higher than those of the outer shell. The temperature sensor for energy storage battery which is suitable for high temperature and salt conditions further comprises a first filling glue and a second filling glue, and the flexibility and stress buffering capacity of the second filling glue are higher than those of the first filling glue. The composite structure of 'rigidity and flexibility' is adopted, that is, the inner shell with high hardness and high insulation forms an internal support and insulation core with the first filling glue to protect the internal structure, and the second filling glue with higher flexibility and stress buffering capacity serves as an intermediate layer to absorb and dissipate mechanical stress and thermal stress from the outer shell, thereby reducing the impact on the internal core. In addition, the outer shell with toughness provides mechanical protection to withstand torsion, impact and external pressure and protect the fragile inner shell and its internal structure.
Owner:SHENZHEN KEMIN SENSOR CO LTD

Compensation method for hybrid distribution transformer

PendingCN122553328AFlow to safetyReliable flow
This invention discloses a compensation method for a hybrid distribution transformer, relating to the field of transformer technology. It is applicable to interconnected transformers consisting of a first hybrid distribution transformer, an energy storage control device, and a second hybrid distribution transformer connected in sequence. The method involves acquiring the first three-phase operating data of the first hybrid distribution transformer, the second three-phase operating data of the second hybrid distribution transformer, and the current energy storage information of the energy storage control device based on a preset sampling period. Based on the first and second three-phase operating data, compensation information for the first and second hybrid distribution transformers is calculated. Based on the compensation information and the current energy storage information of the energy storage control device, the conduction direction and power flow direction of the energy storage control device are determined. The switching on and off of the interconnected transformers is then controlled based on the conduction direction and power flow direction to complete the compensation.
Owner:GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD

Folding steel pipe pole

ActiveCN224591886Uensure safetyEliminate the dangers of working at heights
The utility model discloses a folding type steel pipe pole, be applicable to the installation of electric power equipment, street lamp, communication equipment and the like equipment. Including the main base pole of fixed ground, the upper end of vice base pole and the upper end hinge joint of main base pole, vice base pole lower extreme and the detachable fixed connection between main base pole, the equipment pole is fixed in the upper end of vice base pole, is used for installing equipment, the rope is connected with vice base pole, is used for controlling vice base pole and the hinge joint point rotation of vice base pole and main base pole. When using, through the rope control can vice base pole and equipment pole rotate, make equipment pole upper end put low, facilitate the equipment installation on equipment pole upper end, or the equipment on equipment pole upper end is overhauled, in this way, when installing electric power equipment, street lamp, communication equipment, the staff does not need to install the ladder on the steel pipe pole, also does not need the large climbing equipment to occupy public space, not only guarantees the safety of staff, also is more convenient and fast.
Owner:JIANGSU GUOHUA TUBE TOWER MFR

Power management system of two-wheeled fuel vehicle

The utility model provides a power supply management system for a two-wheeled fuel vehicle. The power supply management system comprises a voltage detection module, a vehicle-mounted controller, a TBOX, an early warning module and a remote early warning module, the voltage detection module is used for detecting the voltage of a battery of the two-wheeled fuel vehicle and outputting the voltage to the vehicle-mounted controller and the TBOX; the vehicle-mounted controller is used for receiving the voltage signal, output by the voltage detection module, of the storage battery and generating an early warning instruction when the voltage of the storage battery is lower than a set value; the early warning module is in communication connection with the vehicle-mounted controller and is used for receiving an early warning instruction of the vehicle-mounted controller and performing early warning; the vehicle-mounted controller is in communication connection with the TBOX, the TBOX is in communication connection with the remote early warning module, and the TBOX is used for sending an early warning instruction to the remote early warning module when the two-wheeled fuel vehicle is static; according to the invention, the charge state of the storage battery of the two-wheeled fuel vehicle can be detected, and real-time early warning can be carried out, so that a user can be informed to carry out charging processing.
Owner:LONCIN MOTOR CO LTD +1

Software installation method, system and device, storage medium and program product

PendingCN121858112ASolve installation restrictionsReduce the risk of interferenceInput/output to record carriersSoftware simulation/interpretation/emulationSoftware engineeringSource data
The invention discloses a software installation method, system and device, a storage medium and a program product.The method comprises the steps that according to a creation request sent by a server side, a target container and a disk copy of a target disk are created, and the target disk comprises source data of target software to be installed; the creation request is sent by the server based on a first installation request of target software from the client; mounting the target disk on the disk copy, and mounting the disk copy on the target container; and under the condition that an installation instruction of the client for the target software is received, installing the target software in the target container according to the installation instruction and the source data, and storing incremental data generated by installing the target software to a preset storage area in the disk copy. The risk that existing software or system configuration of the target node is interfered due to installation of the target software is reduced, and the problem that software installation is limited due to administrator permission is solved.
Owner:ALIBABA CLOUD COMPUTING CO LTD

Coordination control method and system for rural microgrid group

The invention discloses a country micro-grid group coordination control method and system, and relates to the technical field of micro-grid coordination control, and the method comprises the steps: dividing a country region into an island type region, a migration type region and a stable type region according to the living distribution and distribution fluctuation; taking the minimum operation cost as an optimization target, and respectively constructing corresponding single micro-grid models in combination with the island-type regional load data, the migration-type regional load data and the stable-type regional load data; taking a single micro-grid model as a game participant, and establishing a multi-micro-grid cooperative game framework according to the minimum total alliance operation cost based on an island stabilization strategy and a migration dynamic strategy; and outputting a micro-grid coordination control strategy according to the real-time rural area load data and the multi-micro-grid cooperative game framework. The method has the beneficial effects that the regulation and control strategy which simultaneously meets the stable power supply demand of the island type region and the dynamic power supply demand change of the migration type region is output, and the coordination control stability and the dynamic adaptability of the micro-grid group are considered.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD JINHUA POWER SUPPLY CO +1