633 results about "Conductive fluid" patented technology

Various shock wave catheters and methods of use thereof that do not utilize a guidewire are described herein. The shock wave catheters include at least one shock wave emitter disposed within a distal portion of the shock wave catheter and configured to generate shock waves. The ends of conductive wires extending within an elongate tube can form the shock wave emitter(s). The shock wave emitter(s) can be surrounded by an enclosure fillable with a conductive fluid delivered by the lumen of the elongate tube. The elongate tube can include a coil or slits therein that enable flexibility of the shock wave catheter, which, in combination with the narrow profile of the shock wave catheters described herein, enable their use in navigating and treating small, tortuous vessels.

A catheter for treating a stenosis in a body lumen includes an elongate tube; a member sealed to a distal end of the elongate tube that is fillable with a conductive fluid; a metallization layer comprising at least one trace forming at least one inner electrode, the metallization layer being connected to at least one wire; and at least one outer electrode extending radially outwardly of the metallization layer and separated from the at least one inner electrode by at least one gap such that, when a voltage pulse is applied to the inner and outer electrodes, current flows across the at least one gap to generate at least one shock wave.

Described herein is a shock wave device for the treatment of vascular occlusions. The shock wave device includes an outer covering and an inner member inner connected at a distal end of the device. First and second conductive wires extend along the length of the device within the volume between the outer covering and the inner member. A conductive emitter band circumscribes the ends of the first and second wires to form a first spark gap between the end of the first wire and the emitter band and a second spark gap between the end of the second wire and the emitter band. When the volume is filled with conductive fluid and a high voltage pulse is applied across the first and second wires, first and second shock waves can be initiated from the first and second spark gaps.

The invention discloses an electroencephalogram sensing electrode and a using method thereof.The electroencephalogram sensing electrode comprises a shell assembly, the shell assembly comprises a shell, a base and a top cover, the shell and the base are connected to form a slow-release probe containing cavity, the shell and the top cover are connected to form a liquid storage cavity, and a fluid valve, a slow-release material, a capillary hole plug, a rapid flow hole and a slow flow hole are arranged in the shell assembly; a semi-dry electrode is made by injecting conductive liquid or a wet electrode is made by injecting conductive paste, and through a fluid valve, a slow-release material, a capillary hole plug, a quick flow hole and a slow flow hole, the electrode can quickly supply liquid to the position between the electrode and the scalp to reduce resistance and slowly supply liquid to reduce resistance, and the electrode-scalp interface impedance can be quickly reduced and can be balanced and stabilized for a long time. The electrode has the advantages that the electrode can be used as a semi-dry electrode by injecting conductive liquid, can also be used as a wet electrode by injecting conductive paste, and has the functions of storing the conductive liquid for a long time without releasing the conductive liquid when the electrode is idle and supplying the conductive liquid in two modes of fast and slow to reduce scalp-electrode impedance when a user wears the electrode to acquire signals.

The invention discloses a cable detection device, and belongs to the field of cable detection. A cable detection device comprises a detection box, a cover plate is arranged on the detection box, conductive liquid is poured into the detection box, and the cable detection device further comprises a conveying assembly used for heating a cable. The first guide pipe is communicated with a second guide pipe used for blowing air to the cable, and a lifting assembly is arranged between the second guide pipe and the detection box; the bottom of the lifting assembly is located in the detection box and is connected with a clamping assembly used for extruding the cable. According to the invention, after the crack of the cable is determined in the conductive liquid, the cable is inflated, and bubbles are generated in the conductive liquid, so that the quality problem of the cable is detected, and the specific defect position can be determined; by means of the device, the flaring area of the damaged part of the heated cable is increased in the extrusion process, it is better guaranteed that gas can be discharged from the damaged part, bubbles in conductive liquid are more obvious, and detection effectiveness is guaranteed.

An electromechanical joint provides rotational movement in at least two dimensions while conducting electrical power between orthogonal hubs. The joint, shaped as a cross, has four conical shafts positioned orthogonally and apart from each other within an interior of a housing. Apexes of the conical shafts face each other proximate a centroid of the housing. A conductive fluid, such as Galinstan, fills recesses between the conical shafts. Separate yokes attached to pairs of the hubs may impart forces on the shafts, causing the shafts to rotate within the conductive fluid around orthogonal axes. The conductive fluid provides simultaneous conduction of electrical power between the hubs. The yokes may be affixed respectively to a current collector and conductive arms of a work machine for improved movement and power conduction without the need for additional components.

The invention discloses a slurry detection device and method and a slurry coating system, and relates to the technical field of batteries. The conductive liquid and the target particulate matter filtered from the battery slurry sample are accommodated in the insulating groove, and the liquid and the target particulate matter in the insulating groove can flow into the hole pipe through the hole under the condition that the internal pressure of the hole pipe is greater than the external pressure. When target particles enter the hole pipe through the hole, a voltage pulse signal is generated. At the moment, the voltage sampling circuit connected in parallel with the direct-current power supply can detect the voltage pulse signal, and then the particle condition in the battery slurry can be determined according to the voltage pulse signal. Therefore, according to the slurry detection device provided by the embodiment of the invention, the particle condition of the battery slurry can be directly determined through the collected voltage pulse signal, manual observation and analysis through a microscope are not needed, the production efficiency is improved, and the potential safety hazard is reduced.

The present invention provides a system and method for treating tight, hard-to-cross calcified lesions in which an angioplasty balloon is used to dilate the lesions and provide shock waves to restore normal blood flow in a patient's artery. An exemplary device includes an elongated tube and a balloon wrapped circumferentially around the tube and sealed to a distal end of the tube. During treatment, the device is advanced into a patient's vasculature and the balloon is inflated with conductive fluid such that the balloon is fixed to walls of the vasculature proximal to the calcified lesion. The balloon includes at least one low-profile emitter positioned near the distal end of the balloon, which may be activated to generate shock waves to break loose calcifications in the lesion. After calcium in the tight lesion has been modified, the balloon can be deflated and advanced further into the lesion to continue treatment.

The invention relates to the technical field of oil field reservoir research, in particular to a fracturing fracture imaging physical simulation method and system combined with non-uniform contact electrodes, and the method comprises the steps: carrying out the resistance modal detection at the current time step through a low-frequency excitation signal in the fracture propagation simulation process, and obtaining a corresponding electric signal; obtaining a conductive fluid distribution result of the rock core fracturing test piece at the current time step by using the conductive fluid distribution inversion model; and fitting and comparing the electric field distribution result of the current time step with the conductive fluid distribution result of the current time step, and outputting the fracture parameters and the conductive fluid distribution result of the rock core fracturing test piece at the current time step based on the fitting and comparison result. According to the method, the electrical property change caused by the natural fracture and the fluid contained in the natural fracture is directly sensed in situ, the electrical signal is acquired, the response delay is reduced, the conductive fluid distribution inversion model is constructed by combining prior knowledge and deep learning, and the precision and reliability of conductive fluid distribution inversion are effectively improved.

The invention relates to a powder metal particle detection method, device and system, and the method comprises the steps: uniformly mixing a conductive liquid with to-be-detected powder to obtain a mixed liquid; wherein an electrode part is arranged in the mixed liquid, and the temperature of the conductive liquid is greater than or equal to a preset electrolysis temperature; a preset electrolysis voltage is applied to the electrode component to form an electrolysis path, and the electrolysis path is used for electrolysis of metal particles in the to-be-detected powder; and detecting the charging current of the electrolysis path, and determining the information of the metal particles contained in the to-be-detected powder according to the charging current and the preset electrolysis voltage. According to the embodiment of the invention, the detection efficiency and detection reliability of the metal particles can be improved.

A cooling system and method of cooling electronic components comprising a tank (or other vessel) in which a dielectric liquid cools low power electronic components within the tank, while a conductive liquid cools high power electronic components in the tank. The conductive liquid is supplied via a plurality of cooling modules, each arranged on or in proximity to a high power component. A cooling module arranged within the tank may enclose one or more of the electronic components in the tank using a fluid-tight seal.

A conductive liquid-fed pulsed plasma thruster includes a first electrode having a conductive solid portion and a conductive liquid portion, a second electrode separated from the first electrode to define an ignition space therebetween, at least one electric insulator separating the first and second electrodes, and a conductive-liquid passage extending within the conductive solid portion through which the conductive liquid portion flows from an inlet to an outlet located at the ignition space. The first and second electrodes are configured so that a drop of the conductive liquid portion forms and grows at the outlet when the conductive liquid portion flows through the conductive liquid passage until the drop of the conductive liquid causes an arc discharge between the drop and the second electrode that ignites the drop to produce a plasma cloud that generates thrust when exhausted.

Methods and probes for exciting, detecting, and sensing a sample are disclosed. An example method includes positioning a probe of a test tool relative to a contact point associated with a sample of a sample array such that the probe is in electrical contact with the sample array at the contact point; driving a parallel electrical excitation of the sample, where the electrical contact between the probe and the contact point is continuously maintained while the driving is performed, and the parallel electrical excitation of the sample produces a value for testing the sample; and repeating the above operation on other contact points for one or more times. Another example method submerges a probe in a liquid conductive material to provide a conductive liquid at its end of the probe, and may continuously position and / or move the probe relative to a contact point of a sample to facilitate delivery of an electrical signal to drive excitation of the sample.

The invention relates to the technical field of hydrogen storage, and discloses a solid hydrogen storage reactor and a hydrogen storage / desorption method thereof. The solid hydrogen storage reactor comprises a heat-conducting fluid substrate (1) and a hydrogen storage material substrate (2) which are sequentially stacked, wherein the hydrogen storage material substrate (2) is filled with a solid hydrogen storage composite material; wherein a first flow channel is engraved on the heat-conducting fluid substrate (1) and is used for allowing heat-conducting fluid to pass through; a second flow channel is engraved on the hydrogen storage material substrate (2) and used for hydrogen to pass through, and the first flow channel is not communicated with the second flow channel. The solid hydrogen storage reactor has the characteristic of high heat transfer efficiency, and is beneficial to improving the hydrogen absorption rate.

The invention relates to the field of flow measurement of electromagnetic flow meters, and particularly discloses an artificial intelligence-based flow prediction method of an electromagnetic flow meter, which comprises the following steps of: analyzing the influence of environmental conditions on a measurement result by acquiring environmental condition information of the electromagnetic flow meter for measuring the flow of a conductive fluid; obtaining fluid property information of the electromagnetic flowmeter for measuring the flow of the conductive fluid, analyzing the influence of the fluid property on a measurement result, obtaining surrounding magnetic field information of the electromagnetic flowmeter for measuring the flow of the conductive fluid, and analyzing the influence of a surrounding magnetic field on the measurement result; the correction amount of the measured data of the electromagnetic flowmeter for measuring the flow of the conductive fluid is further analyzed, the result of the electromagnetic flowmeter for measuring the flow of the conductive fluid is predicted, the influence of factors such as environmental conditions, fluid properties and electromagnetic interference on the measurement of the electromagnetic flowmeter is considered, and then the measured data of the electromagnetic flowmeter are calibrated and rectified. Therefore, the reliability and precision of the measurement result of the electromagnetic flowmeter are improved.

According to the high-frequency corrosion-resistant pipeline type electromagnetic flowmeter, a first installation area used for installing a high-frequency magnetic field generation assembly is formed between the inner wall of a conductive outer pipe and the outer wall of an insulating inner pipe, and the high-frequency magnetic field generation assembly is not attached to the conductive outer pipe and the insulating inner pipe; when the wear-resistant lining and the insulating inner pipe are damaged to cause seepage of a corrosive medium, the high-frequency magnetic field generation assembly can be prevented from being corroded by the seeping corrosive medium; an isolation shell is arranged in the second installation area, a groove is formed in the end, facing the measurement channel, of the isolation shell, a through hole is formed in the bottom wall of the groove, a ceramic membrane used for sealing the through hole is arranged in the groove, the surface, facing the measurement channel, of the ceramic membrane is flush with the inner wall of the corrosion-resistant lining, and inert conductive liquid is arranged in the isolation shell. The electrode assembly comprises two measuring electrodes which are correspondingly soaked in the isolation shell, and the ceramic membrane prevents a corrosive medium in the to-be-measured liquid from entering the isolation shell, so that the measuring electrodes are prevented from being corroded.

The invention relates to the technical field of nuclear reactor design, in particular to an air-cooled nuclear reactor system for series thermal ionization magnetohydrodynamic power generation. Comprising a reactor core which comprises a fuel grid which is formed by a plurality of grid unit plates which are crossed transversely and longitudinally; each grid unit plate is made of sheet-shaped fuel; the thermal ionization magnetohydrodynamic power generation element is arranged outside the reactor core and is used for providing a magnetic field for the fuel grid; the cooling system is used for providing rare gas for the reactor core and is configured to enable the rare gas to exchange heat with the fuel grid and to be converted into conductive fluid in a generated magnetic field, and the conductive fluid flows in the generated magnetic field to generate induced electromotive force so as to realize thermoelectric conversion. While high thermoelectric conversion efficiency is ensured, the engineering feasibility of an air-cooled nuclear reactor system is improved, and the problems that gaseous nuclear fuel is prone to corrode structural materials, prone to leakage and large in aftertreatment difficulty are solved.

The invention discloses a withstand voltage test device and a withstand voltage test method for an insulating product, and relates to the technical field of withstand voltage tests. The insulation product voltage withstanding test device comprises a workbench, an insulation stand column, a transverse supporting rod, a conductive stand rod, a conductive pressing plate, a box body assembly and a separation support. And when the outer side wall of the heel of the tested insulating boot is pressed on the separation bracket, the steel ball can roll out through the skirt edge opening which is arranged obliquely downwards and falls into the inner cavity of the insulating boot to be tested, and the third conductive liquid at the bottom surface position of the tested insulating boot is adhered to the separation bracket and flows downwards along the separation bracket. The first conductive box body can conduct electricity when being crimped on the conductive pressing plate and is used for forming a loop required by a withstand voltage test of the insulating gloves; the second conductive box body can conduct electricity when being crimped on the conductive pressing plate, and is used for forming a loop required by a withstand voltage test of the insulating boot; and the two wires do not need to be assembled, disassembled and arranged when the two wires are replaced, so that the operation steps of a user are reduced.

The embodiment of the invention provides a liquid cooling module and electronic equipment, and the liquid cooling module comprises a body and a cooling liquid. The body is provided with a cooling flow channel, a plurality of first electromagnetic coils and a plurality of second electromagnetic coils, the cooling flow channel is filled with the cooling liquid, and the cooling liquid is conductive liquid or magnetic liquid; the second electromagnetic coils and the first electromagnetic coils are arranged on the two sides of the cavity wall of the cooling flow channel in a one-to-one correspondence mode, and the first electromagnetic coils and the second electromagnetic coils are arranged in the extending direction of the cooling flow channel in a spaced mode. And the first electromagnetic coil and the second electromagnetic coil generate a magnetic field under the condition of electrification, so that the cooling liquid flows in the cooling flow channel. According to the liquid cooling module, the cooling liquid can circularly flow through magnetic force, and the liquid cooling module has the characteristic of no mechanical vibration.

The invention belongs to the technical field of laser precision machining, and provides a liquid metal film and a preparation method and application thereof. The preparation method comprises the following steps: spraying dispersion liquid of liquid metal nanoparticles on a transparent substrate to obtain a processing material; the side, sprayed with the liquid metal nanoparticles, of the processing material is opposite to one side of the target substrate; and laser is focused on the interface of the transparent substrate and the liquid metal nanoparticles for laser processing. The invention further discloses the liquid metal film prepared according to the method and a flexible conductive device comprising the liquid metal film. According to the method, the liquid metal is patterned by utilizing the recoil pressure generated by gasification in the sintering process, so that the selection of the target substrate is more diversified, the selection of the processing pattern is more flexible, and the step of separating the conductive liquid metal film from the untreated liquid metal nanoparticles is omitted; on the premise that high precision of liquid metal patterning is guaranteed, high efficiency and high flexibility are achieved at the same time.

The invention relates to the technical field of resistors, in particular to a high-performance heat dissipation load unit which comprises an air duct, a motor fixed to the air duct, a rotating shaft installed on an output shaft of the motor, a supporting disc fixed to the rotating shaft and a plurality of supporting fan blades fixed to the supporting disc in a spaced mode in the circumferential direction. The air duct is provided with an external liquid groove, and the outer end part of each supporting fan blade is provided with an external leading-out terminal inserted into the external liquid groove; the air duct is provided with an internal liquid receiving groove; an inner leading-out terminal inserted into the inner liquid receiving groove is arranged at the inner end part of each supporting fan blade; the supporting fan blades are insulators, and the two ends of the resistance wire of each supporting fan blade are connected with the outer leading-out terminal and the inner leading-out terminal of the corresponding supporting fan blade respectively, so that the resistance wires are electrically conducted through the conductive liquid. Compared with an existing load, the heat dissipation effect is good, the wind resistance is low, and the requirement for a draught fan is lowered. Whether the group of resistance wires are used or not can be adjusted by changing whether the external leading-out terminals are immersed into the conductive liquid in the external liquid tank or not, so that the power of the whole resistor unit can be adjusted.

An electrode carrier system includes one or more electrode assemblies having an electrode body. One or more tubular members extend from the electrode body and define a lumen terminating in a distal opening. The electrode assemblies carry a reservoir containing a conductive fluid or gel. The reservoir is in fluid communication with the lumens in the tubular members, and the electrode assemblies are typically supported on a backing which may optionally be configured as a headband. Systems are for tracking patient movement may be used in combination with the electrode carrier system.

The invention relates to the field of construction measurement, and provides a building construction site environment data measuring device which comprises a machine body, wheels, an air cylinder, a universal mechanical arm, a calibration box, a movable arm and a detector, the air cylinder is embedded in the machine body, the universal mechanical arm is connected to a piston rod of the air cylinder, and the calibration box is movably connected to the universal mechanical arm; a leveler, a first power supply and a laser transmitter are connected to the calibration box, bubbles are reserved between conductive liquid in the liquid cavity and the liquid cavity, a first conductive block and a second conductive block are embedded in the inner wall of the liquid cavity, and an iron sheet is rotationally connected to the inner wall of the trigger cavity and connected with the inner wall of the trigger cavity through a first elastic part; a conductive particle and an electromagnet device are fixedly connected into the trigger cavity, a motor cavity is formed in the bottom wall of the movable arm, a first motor is fixedly connected to the inner wall of the motor cavity, the storage wheel is fixedly connected to a rotor of the first motor, the pull rope is fixedly connected to the storage wheel, and one end of the pull rope is fixedly connected with the detector. According to the invention, the depth of the foundation pit can be measured through one device.

The utility model provides a conductive slip ring, which relates to the technical field of slip rings, aims to solve the problem that conductive liquid is easy to leak when the existing conductive slip ring is assembled, and adopts the technical scheme that the conductive slip ring comprises a shell, a stator structure, a rotor structure and a bearing, the stator structure corresponds to the rotor structure in position, conductive liquid is arranged between the stator structure and the rotor structure, the stator structure is installed on the lower portion of the shell, the rotor structure is connected with the shell through the bearing, the rotor structure is further provided with a glue pouring sleeve, and a rotor copper sheet and an electronic copper sheet are designed to be of a Z-shaped structure. When the conductive slip ring is assembled, a certain sealing effect can be achieved on conductive liquid, and workers can assemble the conductive slip ring conveniently. And the rotor copper sheets and the electronic copper sheets adopt Z-shaped structures, so that the contact area between the conductive liquid and the rotor copper sheets is increased, and the conductive performance is improved.

The utility model relates to an experimental device for verifying the Ampere force law, which comprises a direct-current power supply, a high-power resistor, two metal electrodes respectively serving as a positive electrode and a negative electrode, a bracket, a precise length measuring tool, two opposite magnets, a container filled with conductive liquid and a high-precision electronic scale, the direct-current power supply is used for providing a power supply in an experiment; the high-power resistor is used for limiting the maximum current in the circuit and preventing the circuit from being short-circuited due to over-low loop resistance; the two metal electrodes which are respectively used as a positive electrode and a negative electrode are used for providing current for the conductive liquid which is used as a current carrier and conducting the whole circuit; the metal electrode is electrically connected with the high-precision direct-current power supply and the high-power resistor; the two opposite magnets are used for providing a magnetic field; the container filled with the conducting liquid is used for containing the conducting liquid serving as a current carrier and bearing Ampere force borne by the conducting liquid in a magnetic field.

The invention relates to the technical field of conductive connection, in particular to a grounding discharge device for power distribution network line maintenance, which comprises a supporting box, a separation ring is arranged in the supporting box, the lower end of the separation ring penetrates through the supporting box, a water storage cavity is formed between the separation ring and the supporting box, and a water storage conductive device located in the separation ring is arranged on the supporting box. The water storage and electricity conduction device comprises a water supporting plate arranged in the water storage cavity in a sliding mode, and an adjusting screw rod in threaded connection with the water supporting plate is rotationally arranged on the supporting box in a penetrating mode. Under the action of the sealing ring, the sealing barrel and the hard ground form a sealing area, then conductive liquid penetrates through the water inlet hole formed in the upper end of the separation ring to enter the upper end of the sealing barrel and then enters the sealing area from the communicating hole formed in the upper end of the sealing barrel, and the conductive liquid can make full contact with the ground of the sealing area to discharge electricity.

Borehole radar systems send a radar pulse into the subterranean formation using a transmitter. The radar pulse is reflected back when it encounters a formation feature that has a different electromagnetic property. The receiver receives the reflected energy back. However, in a highly conductive rock or in the presence of highly conductive fluids in the borehole region, the radar pulse is not transmitted far enough with sufficient intensity to be detected by the receivers. This technology provides a design for a device which amplifies the radar transmitted power, using a metamaterial. The metamaterial enhanced device is designed for an electric source frequency ranging between 1-5 GHz. Further, a metamaterial based antenna design achieves a directivity over D=20. This provides high intensity far field radiation into the subterranean formation which can be detected by the receivers with high signal to noise ratio (SNR).

The invention relates to the technical field of damping devices, in particular to a driving valve, a damping valve device, a damper, a suspension system and a vehicle. A first valve body in the driving valve is provided with a first fluid chamber, and the first fluid chamber is configured to be provided with conductive liquid; the first deformation part is connected with the first valve body, and the first deformation part covers the side, facing the overflow valve, of the first fluid cavity in a sealing mode; the magnetic mechanism is connected with the first valve body and is configured to drive the electrified conductive liquid to move towards or away from the first deformation piece, so that the first deformation piece deforms to control the overflow valve to act. The driving valve drives the conductive liquid to flow through Lorentz force, and has instantaneous response speed, so that the driving valve has the advantage of high response speed; the response speed of the driving valve is high, the first deformation piece moves towards the first valve body, and the first deformation piece can give the valve rod assembly opposite force away from the overflow valve to achieve operation such as rapid pressure relief or pressurization.

Drilling an infected tooth root canal can leave some infected material behind. Heat delivered from within the tooth can be used to disrupt biofilm, disinfect, and / or seal. A cone-shaped flexible device can be inserted into or toward the root canal. The device can include a heating transducer, such as a DC resistive heating element, or an RF heating transducer that can generate heat in a dielectric or semiconductor or polymer active substrate, with a locus of the heat generation controllable by adjusting a frequency of an electrical input signal driving the heating transducer. Thermally conductive fluid can be introduced into the root canal to help distribute heat from the heating transducer to nearby portions of the root canal for heat disinfecting treatment of infected tissue. The active substrate can be heat-softenable, such as to help seal a target region of the tooth.