48results about How to "The action is valid" patented technology

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.

Disclosed herein is an electric caliper brake. Then electric caliper brake which includes a carrier provided with a pair of pad plates movably with respect to a disk, and a caliper housing slidably installed on the carrier and provided with a cylinder in which a piston is movably provided by braking oil pressure, includes a spindle member which is installed to penetrate a rear portion of the cylinder and rotates by receiving a rotational force from an actuator, and a power converting unit including a nut member which is screwed with the spindle member and is disposed in the piston, moves forward and backward in accordance with the rotation of the spindle member so as to press the piston; a filling member coupled to the nut member in the piston; and an anti-rotation surface provided on at least one plane on an outer circumferential surface of the filling member so that the filling member is coupled to the piston in a limited rotation state.

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.

The invention discloses a multi-degree-of-freedom bionic jellyfish robot. The multi-degree-of-freedom bionic jellyfish robot comprises a basal body, four mechanical arms and a biological film; the four mechanical arms are symmetrically mounted in the peripheral direction of the basal body; the basal body and the mechanical arms are wrapped by the biological film, and air is filled inside for adjusting buoyancy suffered by mechanical jellyfishes in water; the mechanical arms comprise two sections of large arms and small arms; the upper ends of the large arms are connected with the basal body, and the lower ends are connected to the upper ends of the small arms; and degrees of freedom are arranged according to human arm joints: the large arms are rotated left and right; the large arm swing up and down; the small arms swing up and down; and the small arms are rotated by multiple degrees of freedom. The robot has a biological simulating form, and is multiple in degree of freedom, flexiblein operation and high in adaptability.

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.

An electromagnetic micro-actuator for a gastrointestinal robot in the field of endoscopic instruments comprises a stator mechanism and a rotor mechanism. The rotor mechanism is arranged inside the stator mechanism and comprises a rectiblock, two coils, an asymmetrical rotor and an output shaft, the rotor is arranged on the output shaft, the first coil and the second coil are wound on the asymmetrical rotor and are both positioned at the outer edge of the rotor, and the rectiblock and the asymmetrical rotor are connected and concentrically arranged. By the electromagnetic micro-actuator for the gastrointestinal robot, axial size of the gastrointestinal robot is shortened, space utilization rate of the gastrointestinal robot is improved, and miniaturization of the gastrointestinal robot is achieved.

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.

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.

The invention relates to a plane cambered glass periphery film removal device which comprises a film removal table and an electrical control gear, wherein the film removal table comprises a machine frame, a glass transmission assembly, a lifting glass positioning assembly and a robot arm numerical control platform; the robot arm numerical control platform comprises a robot arm and a laser device; the laser device is arranged at the free end of the robot arm; the electrical control gear is respectively connected with the film removal table and robot arm numerical control platform; the glass transmission assembly is arranged on the top surface of the machine frame; the lifting glass positioning assembly is arranged below the glass transmission assembly; and the robot arm is arranged on one side of the machine frame. Compared with the prior art, the plane cambered glass periphery film removal device can implement plane cambered glass periphery film removal, has the advantage of small glass ghosting, can implement automation and is suitable for mass production.

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.

The present invention prevents the debris from adhering to the robot hand. A plate-shaped robot hand 2 has a first holding means 21 for causing air to flow along one face 211a to perform noncontact suction holding of the wafer and a second holding means 22 for holding the wafer on the other face 221a by suction. The holding means 21 includes a first plate member 211; a groove 213 formed on one surface 211a and one end of which opens to the outer periphery of the plate member 211; an jet port 214 for jetting air from the other end of the groove to one end; and a a supply path 215 formed in theholding means and communicating the jet port with a first connection port 216 of an attachment portion 12. The holding means 22 includes a second plate member 221; a suction port 224 for communicatingthe other surface with a suction source 61; and a suction port 223 formed inside the holding means for communicating the suction port 224 and a second connection port 226 provided in the attachment portion 12 attached to the robot 1.

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.

The invention relates to a cap screwing machine, in particular to a hand-held cap screwing machine. The hand-held cap screwing machine structurally comprises a machine body; the top part of the machine body is provided with a motor; a cap screwing head at the lower end of the machine body is linked by a power output shaft of the motor through a transmission shaft; the motor is electrically connected with a switch at one side of the machine body; the cap screwing head comprises a cylindrical shell; necks of which the inner diameters are from big to small are formed in the shell from outside to inside. Compared with the prior art, the hand-held cap screwing machine has the characteristics of being reasonable in design, simple in structure, convenient to use and broad in application range.

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.

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.

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.

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.

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.

The invention provides a valve arrester action monitor calibration instrument which comprises a booster and an optoelectronic receiver. The booster and the optoelectronic receiver are respectively connected to a valve arrester action monitor. The booster is used for generating and adjusting high voltage and acting on the valve arrester action monitor. The optoelectronic receiver is used for receiving an action light signal of the valve arrester action monitor and locking the action signal. The booster includes a high voltage generating circuit, a modulation adjustment circuit and a measurementdisplay circuit, and the high voltage generating circuit is connected to the modulation adjustment circuit and the measurement display circuit. The high frequency voltage-doubler rectification technology is used in the invention, the volume of a step-up transformer and the volume of a voltage-doubler rectifier circuit are reduced, high test voltage can be generated and large capacity charge is stored, voltage division between capacitors is uniform, discharge without damage is achieved, the valve arrester action monitor can effectively act, and the action signal is received and locked.

The invention provides a modular laboratory system, a construction method and an experiment method. The system comprises an auxiliary device and an experiment device, the experimental device is used for obtaining an experimental process according to an experimental project, constructing processing modules corresponding to all links in the experimental process according to the experimental process,and constructing an experimental area through the combination of the processing modules. The processing module comprises a buffer module, a sample chamber module, a reagent chamber module, an instrument chamber module, a physicochemical analysis chamber module and an office module; the auxiliary device is used for obtaining experiment requirements of each link according to the experiment process,constructing one or more auxiliary matching modules according to the experiment requirements, and associating one or more processing modules in the experiment area through the auxiliary matching modules; and the auxiliary matching module comprises one or a combination of more of a sewage treatment and water production module, a constant-temperature and constant-humidity control module, a power supply module and a network module.

The application discloses a control method, device, equipment and medium for the safe operation of a power grid. The method includes: when a single-phase bus short circuit occurs in the target power grid containing a reactance-type superconducting current limiter, then obtain the single-phase The system admittance matrix under short circuit; according to the system admittance matrix and the injection current of the target grid, the target voltage of each busbar in the target grid under the bus single-phase short circuit is obtained; according to the target voltage, the target current of each busbar in the target grid to ground is obtained; using The target current and injection current determine the short-circuit current of the reactive superconducting current limiter in the event of a bus single-phase short circuit; use the reactive superconducting current limiter to limit the short-circuit current within the rated breaking current range of the circuit breaker in the target grid , to ensure the safe operation of the target grid. Obviously, this method can guarantee the safety and reliability of the target power grid during operation.

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.

The invention relates to a power supply system for a motor-driven operating mechanism of a high voltage circuit breaker and the high voltage circuit breaker. The high voltage circuit breaker comprises the motor-driven operating mechanism and the power supply system for the motor-driven operating mechanism; the power supply system comprises a voltage transformation device, a first rectification device, a second rectification device, a third rectification device and a fourth rectification device. Necessary driving electric energy can be supplied to a driving electric motor via the power supply system, reliable operation of the driving electric motor can be ensured, necessary electric energy can be supplied to a controller and a driver via the power supply system, specifically working electric energy of different voltages can be supplied to the controller, and reliable operation of the controller can be ensured.

The invention provides a controller of multiple electromagnetic valves. The controller is used for controlling the multiple electromagnetic valves, and comprises a microprocessor and a plurality of switch units, wherein the switch units are correspondingly connected between the microprocessor and the multiple electromagnetic valves, the microprocessor controls the multiple electromagnetic valves through the plurality of switch units, the microprocessor outputs a pulse signal with a preset frequency and a preset duty cycle to the electromagnetic valves, so that the electromagnetic valves are enabled to keep in a power-on state; and the invention further provides an electromagnetic valve device, and the electromagnetic valve device comprises the controller of the multiple electromagnetic valves and the multiple electromagnetic valves.