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47results about How to "The action is valid" patented technology

Double-coupling detection circuit, rain sensor and rain identification method

The invention is applied to the technical field of electronic sensors, and provides a double-coupling detection circuit, a touch screen terminal, a rain sensor and an automobile. The double-coupling detection circuit comprises an induction electrode, a cross-coupling electrode, a first driving signal generating unit, a self-coupling electrode, a second driving signal generating unit, and an AD detection channel. The cross-coupling electrode is coupled to the induction electrode; the first driving signal generating unit drives the cross-coupling electrode; the self-coupling electrode is electrically connected with the induction electrode through a resistor or an equivalent resistor and is driven with the cross-coupling electrode at different time intervals; the second driving signal generating unit drives the self-coupling electrode and is connected with the self-coupling electrode; and the AD detection channel is used for receiving a detection signal input by the induction electrode. By combining the self-coupling and cross-coupling detection, the aim of effectively distinguishing the rain from human hands or other grounded conductors can be fulfilled through the simple detection circuit based on the capacitance detection technology with optimized stability and flexibility. Particularly, when the detection circuit is applied to an automotive windshield, the action of a wiper blade can be effectively detected. Therefore, the control of the automotive wiper blade can be more accurate.
Owner:SHENZHEN GOODIX TECH CO LTD

Gate valve

The present invention relates to a gate valve (100) comprising: a valve blade (120) for closing an opening (112) of a valve housing (110); a valve rod (130) which connects to the valve blade (120) and can move vertically and horizontally; a guide housing (140) which is connected to the outside of the valve housing (110) and is provided with L-motion block guide grooves (142) on the interior surface of both sides; an L-motion block (150) which is connected to the valve rod (130), and on both sides of which guide rollers (151) that are driven by being inserted into the L-motion block guide grooves (142) are installed; a driving block (160) which is connected to the upper and lower portions of L-motion block (150) by means of at least one link (155); a tensile elasticity means (170), at least one of which is installed between the L-motion block (150) and the driving block (160); and a vertical driving means (180) for vertically driving the driving block (160). 본 발명은 밸브 하우징(110)에서 개구부(112)를 폐쇄할 있는 밸브 블레이드(120);와, 상기 밸브 블레이드(120)에 연결되며, 상하 운동 및 평 운동을 할 있는 밸브 로드(130);와, 상기 밸브 하우징(110)의 외측에 연결되며, 엘 모션 블록 가이드 홈(142)이 양측 내면에 형성되어 있는 가이드 하우징(140);과, 상기 밸브 로드(130)에 연결되며, 양 측면에 상기 엘 모션 블록 가이드 홈(142)에 삽입되어 구동되는 가이드 롤러(151)가 설치되는 엘 모션 블록(L-Motion Block)(150);과, 상기 엘 모션 블록(L-Motion Block)(150)에 상측과 하측에 각각 하나 이상의 링크(155)를 통하여 연결되는 구동 블록(160);과, 상기 엘 모션 블록(L-Motion Block)(150)과 상기 구동 블록(160) 사이에 하나 이상 설치되는 인장 탄성 단(170);과, 상기 구동 블록(160)을 상하로 구동하는 상하구동 단(180); 을 포함하여 구성되는 것을 특징으로 하는 이트 밸브(100)에 관한 것이다.
Owner:PRESYS

Minitype paster fuse and method of manufacturing the same

The invention relates to a small patch fuse and a manufacturing method, in particular to a small patch fuse which can improve the electrical properties, and a manufacturing method thereof. The small patch fuse takes a glass-ceramic layer as the substrate and takes the fuse metal or alloy as the internal electrodes to form a monolithic structure; both end parts of the monolithic structure are provided with end electrodes, wherein, one or more layers of internal electrodes are arranged between two glass-ceramic layers; both ends of each internal electrode are contacted with each end electrode; the middle part of the internal electrode is a fuse part; the upper and lower surfaces of the internal electrode are respectively provided with attached glaze layers; the attached glaze layers cover the entire fuse part of the internal electrode; besides, the length and width of the attached glaze layers are less than the length and width of the monolithic structure. The attached glaze layers can prevent the internal electrodes and the ceramic body penetrating each other in the co-firing process and improve the consistency of product resistance and electrical properties, and also achieve the effect of thermal insulation, so that the fuse part can quickly and effectively act.
Owner:SHANGHAI CHANGYUAN WAYON CIRCUIT PROTECTION CO LTD

10kv lightning flashover protector with multi-stage series gap lightning strike electrode

The invention discloses a 10kV multi-stage series gap lightning stroke flashover protector with an arc striking electrode. The multi-stage series gap lightning stroke flashover protector comprises the arc electrode striking, a zinc oxide lightning arrester, a support cross arm and a support adjusting plate, wherein the arc striking electrode is fixed at the high-voltage end of the zinc oxide lightning arrester; a first-stage discharging gap is formed between a high-voltage conducting wire and the zinc oxide lightning arrester; the high-voltage end of the zinc oxide lightning arrester is connected with the arc striking electrode, and the low-voltage end of the zinc oxide lightning arrester is fixed at one end of the support adjusting plate; the zinc oxide lightning arrester is provided with a second-stage discharging gap; one end of the support cross arm is fixed on an insulator steel leg, and the other end of the support cross arm is connected with one end of the support adjusting plate; and one end of the support adjusting plate is fixed at the low-voltage end of the zinc oxide lightning arrester, and the other end of the support adjusting plate is connected with the support cross arm. The unique multi-stage series pure air gap structure can ensure the effective action of the lightning stroke flashover protector, has high arc extinguishing capability, has the discharging residual voltage far lower than the flashover voltage of the insulator, does not withstand system voltage, and can prolong the service life of the lightning stroke flashover protector.
Owner:武汉水院电气有限责任公司

Differential relay protection communication device based on 5G communication, system and method

The invention provides a differential relay protection communication device based on 5G communication, a system and a method. The device comprises an electrical information acquisition module, a 5G communication module and a trip logic processing module, wherein the electrical information acquisition module is used for acquiring operation information of electrical equipment in real time; the 5G communication module is used for receiving the operation information of the electrical equipment that is collected by the electrical information acquisition module and realizing the operation information intercommunication between different electrical equipment; and the trip logic processing module is used for receiving the operation information of the electrical equipment that is transmitted by the5G communication module, judging the operation state of the power grid, and making a normal operation or switch trip command. According to the communication device, the system and the method, no conventional propagation medium is required, the cost of the device is greatly reduced, and the transmission rate is greatly improved, thus realizing real multi-node cooperative transmission and fault judgment and improving the reliability and stability of communication.
Owner:JINING POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1

Solid-phase type line span center lightning stroke flashover arc extinguishing lightning arrester

The invention discloses a solid-phase type line span center lightning stroke flashover arc extinguishing lightning arrester. The solid-phase type line span center lightning stroke flashover arc extinguishing lightning arrester comprises lightning protection lines (3), conductive wires (6) and arc extinguishing lightning arresters (4); the arc extinguishing lightning arresters (4) are fixed at the span centers of lightning protection lines (3) and the conductive wires (6) respectively in pairs or at different positions of the spans of the lightning protection lines (3) and the conductive wires (6); and a pair of arc extinguishing lightning arresters (4) on each lightning protection line (3) and each conductive wire (6) form an arc extinguishing lightning protection gap between the lightning protection line and the conductive wire. As the solid-phase type arc extinguishing lightning protection technology is adopted, arc extinguishing becomes faster and more efficient, arc extinguishing energy packages have huge energy and can extinguish big arc rapidly and exactly; the arc extinguishing energy packages inside the span center lightning stroke flashover arc extinguishing lightning arrester can be converted automatically, so that effective actions under the condition of multiple lightning strokes are realized; an upper cover can be dismantled, so that the arc extinguishing energy packages can be replaced and repeated use is realized; the solid-phase type line span center lightning stroke flashover arc extinguishing lightning arrester is light in weight and convenient to install, cannot result in excessive bearing burden for the original conductive wires, the original lightning protection lines, and the original poles and towers, and is relatively strong in practicability.
Owner:王巨丰 +1

Segmental-appendage-free robot

A segmental-appendage-free robot comprises an outer framework and electromagnetic two-way drive units. The outer framework comprises a spine, ribs, a main connecting column, magnetic suspensions, an auxiliary connecting column and a bottom board. The main connecting column is arranged at one end of the spine, the auxiliary connecting column is arranged at the other end of the spine, and a cylindrical structure is formed by the spine and the ribs. Each electromagnetic two-way drive unit comprises a coil, a coil support, a nail column, a reducing spiral spring and a cover barrel, and the coil is wound around a coil winding column. The two electromagnetic two-way drive units are arranged and arranged on the two magnetic suspensions. An electromagnetic drive trunk unit is formed through each electromagnetic two-way drive unit and the outer framework. The electromagnetic drive trunk units are sequentially connected. The adjacent electromagnetic drive trunk units on the same side are connected. By the adoption of the robot, an electromagnetic drive manner is simple, efficient and easy to control, the electromagnetic acting distance is effectively prolonged through electromagnetic telescopic body design adopting a leakage flux principle, and through two-way telescopic design, the acting distance is further prolonged, and a moving effect is further improved.
Owner:BEIJING INFORMATION SCI & TECH UNIV

Wheeled crane and chassis hydraulic control system thereof

The invention discloses a chassis hydraulic control system which is used for controlling action of a first chassis actuating element. The system comprises a first directional control valve and an energy accumulator, wherein, the first directional control valve is used for controlling communication between an operating oil port of the first chassis actuating element and a pressure oil passage or areturn oil passage of the system; and an operating oil port of the energy accumulator is communicated with an oil inlet of the first directional control valve. Preferably, the system further comprises a first pressure relay and a second pressure relay which are used for acquiring the pressure of the operating oil port of the energy accumulator, wherein, the pre-determined pressure of the first pressure relay is less than that of the second pressure relay. In the invention, by means of hydraulic control, the operating pressure which meets the need of a differential lock oil cylinder can be output; and owing to small compression ratio of hydraulic oil, the actuating element achieves timely and accurate action response without load influence during the operation process, thus ensuring timelyand effective differential control. On the basis, the invention further provides a wheeled crane with the chassis hydraulic control system.
Owner:XUZHOU HEAVY MASCH CO LTD

Miniature combined head-feed rice combine

InactiveCN102960118AIncrease the threshing areaHigh threshing rateMowersEngineeringCombine harvester
The invention discloses a miniature combined head-feed rice combine. A clamping and conveying system of the miniature combined head-feed rice combine comprises a transverse conveying chain for transversely conveying cut paddy rice, a suspended type baffle plate for bending paddy rice heads, a longitudinal entire journey conveying chain for conveying the paddy rice from a frame threshing platform through a frame sloping bench, a straw elevating and pushing chain, a clamped straw backward conveying chain for conveying the paddy rice out of the frame threshing platform in cooperation with the longitudinal entire journey conveying chain, and an oblique elevating and conveying chain for combing the paddy rice heads on the frame sloping bench; the oblique elevating and conveying chain starts from a longitudinal rice head picking and conveying chain, and ends at the intersection of the frame threshing platform and the frame threshing platform; the longitudinal rice head picking and conveying chain for conveying the paddy rice heads to the longitudinal entire journey conveying chain and the oblique elevating and conveying chain is arranged in a manner corresponding to the suspended type baffle plate; and the conveying speed of the oblique elevating and conveying chain is higher than that of the longitudinal entire journey conveying chain. Due to the adoption of the miniature combined head-feed rice combine, the paddy rice threshing rate is increased greatly, and the service performance of a machine is better.
Owner:梁开源

Control method, device and equipment of safe operation of power grid and medium

The invention discloses a control method, device and equipment of safe operation of a power grid and a medium. The method comprises the steps of obtaining a system admittance matrix of a target powergrid under a bus single-phase short circuit when the bus single-phase short circuit occurs in the target power grid containing a reactance type superconducting current limiter; obtaining a target voltage of each bus of the target power grid under the bus single-phase short circuit according to the system admittance matrix and an injection current of the target power grid; acquiring a target current of each bus to the ground in the target power grid according to the target voltage; determining a short-circuit current of the reactance type superconducting current limiter when the bus single-phase short circuit occurs by using the target current and the injection current; and using the reactance type superconducting current limiter to limit the short-circuit current within a rated breaking current range of a circuit breaker in the target power grid so as to ensure the safe operation of the target power grid. Obviously, through the method, safety and reliability of the target power grid inthe operation process can be ensured.
Owner:GUANGDONG POWER GRID CO LTD +1

On-line monitoring method and system for low-voltage treatment equipment, storage medium and terminal equipment

PendingCN110190670ATargeted maintenance and precise supportPrecise Support ReplacementCircuit arrangementsSustainable buildingsPower compensationStatistical analysis
The invention discloses an on-line monitoring method and system for low-voltage treatment equipment, a storage medium and terminal equipment. The on-line monitoring method comprises the steps of S101,collecting the operation condition and operation data of the low-voltage treatment equipment, and transmitting the operation condition and operation data to a pre-server; S102, performing statisticalanalysis on the collected operation data of the low-voltage treatment equipment; and S103, receiving a check request of a user terminal, and transmitting the operation data of the pre-checked low-voltage treatment equipment to the user terminal for display through a Web server. The on-line monitoring method is conducive to establishing complete and accurate accounts for reactive power compensation equipment and voltage regulating equipment, accurately calculating the compensation configuration rate public transformer reactive power equipment, mastering the operation state of the public transformer reactive power compensation equipment in real time, accurately grasping the operation gear of the voltage regulator and meeting the requirements of operation and maintenance management and operation analysis.
Owner:GUIZHOU POWER GRID CO LTD

Power distribution network differential protection system and protection method based on 5G communication network

The invention discloses a power distribution network differential protection system based on a 5G communication network. The power distribution network differential protection system comprises the following modules: a measurement module, a communication module, a logic judgment module and an execution output module, the measurement module measures the electrical quantity of the protected circuit; the communication module is used for transmitting the measured electric quantity to the opposite end of the protection line for data exchange; the logic judgment module judges whether the protected circuit breaks down or not according to the obtained electrical quantity; and the execution module acts on the protection device according to the judgment result obtained by the logic judgment module. The method comprises the following steps: measuring electrical quantities at two ends of a protected line, transmitting the measured electrical quantities to an opposite end through a communication channel, judging whether the protected line has a fault or not, if so, enabling a protection device to act, and if not, enabling the protection device not to act. According to the invention, the 5G communication transceiver module is adopted, so that the real-time performance of information acquisition of the electrical equipment is higher, timely and effective action of relay protection is really realized, and the protection effect of the electrical equipment when a power grid fails is greatly improved.
Owner:STATE GRID HENAN ELECTRIC POWER COMPANY ZHENGZHOU POWER SUPPLY +3

Man-machine interaction intelligent clothes airing equipment and control method thereof

The invention relates to the technical field of smart home, in particular to man-machine interaction intelligent clothes airing equipment and a control method thereof. The man-machine interaction intelligent clothes airing equipment comprises a fixed top frame, wherein a clothes airing rod capable of ascending and descending is arranged under the fixed top frame; a controller, a camera shooting module and an ascending and descending motor used for driving the clothes airing rod to do ascending and descending actions are arranged on the fixed top frame; the camera shooting module comprises a camera and a pattern microprocessor; a hand-shaped pattern base used for comparison is stored in the pattern microprocessor; the pattern microprocessor is in communication connection with the controller; and the controller is electrically connected with the ascending and descending motor. The man-machine interaction intelligent clothes airing equipment has the advantages that the requirements of a user can be met through simple actions, an operation switch is not needed, a remote controller or a voice recognition system is not needed, cloud service such as cloud calculation and cloud data transmission is not needed, the artificial intelligent calculation is directly completed on the equipment, the image recognition and collection are completed, the corresponding action is given, the operation can be simplified, the use effect is simple and convenient, and the action is timely and effective.
Owner:泉州芯宇智科技有限公司

Double-coupling detection circuit, rain sensor and rain identification method

The invention is applied to the technical field of electronic sensors, and provides a double-coupling detection circuit, a touch screen terminal, a rain sensor and an automobile. The double-coupling detection circuit comprises an induction electrode, a cross-coupling electrode, a first driving signal generating unit, a self-coupling electrode, a second driving signal generating unit, and an AD detection channel. The cross-coupling electrode is coupled to the induction electrode; the first driving signal generating unit drives the cross-coupling electrode; the self-coupling electrode is electrically connected with the induction electrode through a resistor or an equivalent resistor and is driven with the cross-coupling electrode at different time intervals; the second driving signal generating unit drives the self-coupling electrode and is connected with the self-coupling electrode; and the AD detection channel is used for receiving a detection signal input by the induction electrode. By combining the self-coupling and cross-coupling detection, the aim of effectively distinguishing the rain from human hands or other grounded conductors can be fulfilled through the simple detection circuit based on the capacitance detection technology with optimized stability and flexibility. Particularly, when the detection circuit is applied to an automotive windshield, the action of a wiper blade can be effectively detected. Therefore, the control of the automotive wiper blade can be more accurate.
Owner:SHENZHEN GOODIX TECH CO LTD

Primary frequency modulation transfer adjustment method based on active power adjustment dead zone

The invention discloses a primary frequency modulation transfer adjustment method based on an active power adjustment dead zone, and the method carries out the sharpening of the resolution of primary frequency modulation in order to prevent the adverse effect of the active power adjustment dead zone of a unit on the qualified rate of primary frequency modulation. The setting comprises the step of enhancing the primary frequency modulation target regulation quantity in order to ensure that the deviation between the unit active power target value after the primary frequency modulation regulation quantity is superposed and the unit active power actual value exceeds an active power regulation dead zone; or a strategy of reducing an active power adjustment dead zone of the unit in a primary frequency modulation action process is adopted, and an open-loop feed-forward adjustment link for carrying out auxiliary adjustment on primary frequency modulation is also set. According to the method, effective primary frequency modulation regulation can be generated even if the deviation between the unit active power target value after the primary frequency modulation regulation quantity is superposed and the unit active power actual value does not exceed an active power regulation dead zone; and meanwhile, possible adverse effects of a unit active power adjustment dead zone on the primary frequency modulation qualification rate are prevented.
Owner:HUANENG LANCANG RIVER HYDROPOWER
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