56 results about "Needle electrode" patented technology

The invention discloses a device for exciting ion sound waves for noise reduction, and belongs to the technical field of vibration reduction and noise reduction. The device comprises a cathode structure, an anode structure, a noise source, a square pipeline and a high-voltage power supply device, the frequency, phase and amplitude characteristics of the ion sound wave are directly modulated through the preset combination of applied voltage, electrode gap and discharge position parameters; the cathode structure and the anode structure are composed of three kinds of electrodes, namely a cathode of a needle electrode structure, an anode of a metal wire structure and a perforated plate-shaped grounding electrode. The high-voltage power supply device is used for applying negative high voltage to the needle electrode and grounding the perforated plate, or applying positive high voltage to the metal wire electrode and grounding the cathode so as to generate corona discharge; and ion sound waves generated by corona discharge and industrial noise emitted by the noise source are subjected to sound wave superposition in the square pipeline so as to realize sound pressure counteracting. Ion sound waves are directly generated through corona discharge and are superposed and counteracted with noise sound waves, and passive noise reduction is achieved.

The present invention is related to an extracardiac temporary pacemaker designed for cardiac pacing, particularly for high-grade atrioventricular block and prolonged sinus pauses. The device integrates a pacemaker unit with battery within a transcutaneous patch, featuring thin, needle-like electrodes that penetrate the intercostal muscles to reach the epicardial surface of the heart. The design allows for rapid, significantly reducing the risk of complications associated with traditional intravascular pacemakers and providing a quick, safe, and more efficient solution for temporary cardiac pacing.

The invention discloses a cooling tower fog drop trapping device and method based on corona discharge, belongs to the field of manufacturing and application of electric trapping devices, and aims to achieve the purposes of efficiently trapping fog drops and recycling water mist of a cooling tower of a thermal power plant in an energy-saving manner, an insulating shell is formed into a cavity with a narrow upper part and a wide lower part, and an opening of the cavity is formed in an upper shell; the trapping net is arranged in the cavity close to the opening; the atomizing device is arranged at the lower part in the cavity to form mist; the needle electrode is arranged in the cavity between the trapping net and the atomization device; and the water storage area is arranged at the bottom of the cavity, so that the fogdrop trapping area of the trapping net is increased, and the trapping efficiency is improved.

Providing an electrode array for electroporation, as well as related systems and methods. [Solution] An electrode array for use with an electroporation device includes a support member having an upper surface and a bottom surface, defining a plurality of injection channels extending from the upper surface to the bottom surface. The plurality of needle electrodes are coupled to the support member such that the distal ends of the plurality of needle electrodes extend to a needle depth below the bottom surface. The plurality of needle electrodes are arranged in a matrix pattern having rows and columns of needle electrodes arranged along the support member. The plurality of injection channels are dispersed within the matrix pattern.

The utility model provides an efficient uniform coating device of steel wire drawing powder, relates to the technical field of steel wire powder coating, and comprises a feeding box, needle type electrodes and a discharging pipe, the back surface of the feeding box is fixedly connected with a heat preservation box, the back surface of the heat preservation box is fixedly connected with a powder coating box, the needle type electrodes are fixedly connected in the powder coating box at equal intervals, and the discharging pipe is connected with the needle type electrodes. And a powder feeding pipeline is fixedly connected to the side face of the powder coating box, an air blower is fixedly connected to the interior of the powder coating box and located at the position close to the top of the needle type electrode, and the discharging pipe is fixedly connected to the back face of the powder coating box. The temperature of the steel wire is kept through the heating wire, wire drawing powder is evenly conveyed through the spiral conveying blade and prevented from being blocked in the powder inlet pipeline, airflow is sprayed out through the air blower, the needle type electrode is combined to generate an electrostatic field, the powder adhesive force is enhanced, it is guaranteed that the powder is evenly distributed on the surface of the steel wire, and the high efficiency and uniformity of the coating effect are improved.

This invention discloses a method for predicting the dynamic conductivity of biological tissues considering the pulse dispersion effect. The method includes: constructing a two-dimensional dual-needle electrode geometric finite element model, setting boundary conditions and initial treatment parameters; introducing a Debye function into the finite element model to characterize the change of tissue dielectric constant with frequency; performing frequency domain analysis on the applied pulse signal and converting the Debye function from the frequency domain to the time domain, allowing the polarization vector to couple with the electric field to participate in transient solutions, thereby obtaining a voltage and current dataset including the effect of pulse dispersion; constructing a tissue dynamic conductivity prediction model and training the prediction model using the voltage and current dataset; inputting the voltage and current response data of the tissue to be determined into the trained model to obtain the tissue dynamic conductivity prediction result. This invention can improve the consistency between the finite element current calculation results and the actual tissue electrical response, and improve the accuracy of tissue dynamic conductivity prediction. It is applicable to dynamic conductivity prediction in electroporation therapy, providing a reference for electroporation therapy.

The invention discloses an intelligent control circuit of a beauty instrument, which relates to the technical field of beauty instrument control, and comprises a micro-control module for providing square wave signals, performing double-path signal conversion and isolation amplification processing by a driving control module, and providing two paths of driving signals with the same frequency and opposite phases for an electrode driving module, when the driving detection module detects that one signal conversion is abnormal when the driving control module performs double-path signal conversion work, the micro-control module controls the driving control module and the electrode driving module to switch a signal transmission path, so that the beauty micro-needle electrode in the electrode driving module is driven to perform double-path signal conversion, and the beauty micro-needle electrode in the electrode driving module is driven to perform double-path signal conversion. And the driving control module is controlled to carry out single-path signal conversion and provide two paths of driving signals with the same frequency and the same phase for the electrode driving module, so that the work of the beauty microneedle electrode is maintained. According to the intelligent control circuit of the beauty instrument, the beauty treatment work can be maintained and the circuit safety and the working efficiency can be improved under the condition that the abnormal signal conversion path is disconnected.

A bipolar or monopolar adjustable energy delivery assembly. The assembly is configured for transluminal (e.g., endoscopic) delivery within a patient. The first energy delivery member defines a first electrode portion made of an electrically conductive material so that energy may be delivered to the first energy delivery member to create an energy field along the first electrode portion for application to a target site within a patient. The first energy delivery member may define a lumen therethrough that allows material to be delivered distally therethrough to a target site and / or allows material to be aspirated therethrough from the target site proximally. Optionally, the second energy delivery member and the second insulating member form a second electrode portion. Optionally, one or both of the electrode portions may be adjustable. In addition or alternatively, the first electrode portion and the second electrode portion are adjustable relative to each other.

The application discloses a concentric circular array electric stimulation system, an array needle electrode and application, and belongs to the technical field of medical equipment; the system comprises an array needle electrode unit, a multi-channel stimulation generator, a stimulation control module and a data processing and display unit; the array needle electrode unit comprises a needle body, a needle handle and a plurality of stimulation electrodes, wherein a central stimulation electrode is located on the central axis of the needle body, seven peripheral stimulation electrodes are uniformly distributed in a concentric circular array along the circumference of the needle body shell, and each electrode is connected to the needle handle through an independent insulated wire; the multi-channel stimulation generator independently generates and outputs adjustable electric stimulation signals for each electrode; the stimulation control module independently controls the stimulation parameters of each electrode; through the multi-electrode array design and the multi-channel independent control, the application overcomes the defects of the limited stimulation range of the traditional single-channel needle electrode and the need for repeated position adjustment, and significantly improves the effect of neuromuscular function reconstruction and rehabilitation treatment.

The utility model belongs to the technical field of ignition needle equipment, and particularly relates to an ignition needle electrode and wire end face alignment welding positioning device. The device is characterized in that an ignition needle electrode clamp is arranged on a fixed bracket; the wire clamp and the ignition needle electrode clamp are oppositely arranged, the wire clamp is fixed to a sliding block, the sliding block is arranged on the top face of the movable support through an X-direction guide rail, and a position adjusting assembly is arranged at the bottom of the movable support and can adjust the movable support to move in the Y direction and the Z direction; the limiting block is arranged on the top face of the movable support and located at the rear end of the sliding block. The positioning assembly comprises a positioning air cylinder, a connecting block is arranged at the end of a piston rod of the positioning air cylinder, and the connecting block is provided with a positioning plate and a wedge-shaped block. The utility model is used for solving the technical problems in the prior art that the product quality and the production efficiency are influenced because the respective clamps of the ignition needle electrode and the wire cannot ensure that the end surfaces of the two are completely aligned.

This utility model discloses an electro-inking dispensing nozzle with a multi-level electric field correction structure, including a glue cartridge, a support assembly, and a needle. The needle is connected to the glue cartridge via a Luer connector. A needle-shaped electrode is located on the central axis of the internal flow channel of the needle, and its surface may be plated with an insulating layer or left untreated. The surface of the needle is coated with a hydrophobic or non-stick coating, at least covering the end. One end of the locking assembly is connected to the support assembly, and the other end locks the needle. A connecting plate at its cavity opening has a through hole, with the glue outlet of the needle pointing towards the through hole. An electrode ring is fixed at the lower end of the connecting plate. The support assembly also has a sensor for detecting low liquid levels in the glue cartridge. During operation, the dispensing controller provides air pressure, and the power supply output voltage forms a converging electric field. Under the action of air pressure and electric field, the glue forms a Taylor cone jet, and the secondary annular electric field generated by the electrode ring corrects and straightens the droplets. This nozzle effectively solves the problems of poor stability, slow speed, and low efficiency of traditional dispensing in side-encapsulation processes, significantly improving dispensing accuracy and speed, and ensuring product quality.

This invention provides a molecular device based on weak supramolecular interactions. The molecular device comprises a substrate electrode, a needle electrode, and a single supramolecular element between the two electrodes. The single supramolecular element consists of two model molecules with interchangeable π–π stacking and hydrogen bonding interactions. The molecular device provided by this invention exhibits stable performance and a high on / off ratio. It requires no external stimuli or the participation of other auxiliary molecules. Reversible switching of the electrical transport mode can be achieved by repeatedly stretching and compressing the needle electrode to change the spacing between the model molecules within the single supramolecular element. The device maintains stable lifetime and on / off state switching even at relatively high oscillation frequencies.

The invention relates to the technical field of flaw detection, in particular to a carpet surface flaw detection device and method. According to the technical scheme, a power applying mechanism and a coloring mechanism are arranged between an unwinding roller and a winding roller, the power applying mechanism comprises a shell and a detection shell, an electric roller is rotationally installed in the shell, a high-voltage electrostatic generator is arranged on the side of the shell, and a plurality of first needle-shaped electrodes are distributed on the electric roller at equal intervals; the coloring mechanism comprises a plurality of operation shells which are located above the moving chamber and fixedly installed in the coloring shell. According to the invention, through the power applying mechanism and the coloring mechanism, the power applying mechanism applies static electricity to the carpet during operation, so that a thread residue, needing to be detected, of the carpet is upright, and the upright thread residue is colored in a space in cooperation with an atomized mixed solution with static electricity generated by the coloring mechanism, so that the thread residue can be quickly positioned; and the subsequent repairing efficiency is improved.

The invention discloses an electric power instrument testing device which comprises a testing instrument, a measuring head piece and a contact pin head, wherein the measuring head piece and the contact pin head are electrically connected with the measuring head end of the testing instrument. The measuring head piece comprises an insulating sleeve head, a clamping part and a shaft rod which is rotatably mounted on the inner side of the insulating sleeve head, a static chuck and a movable chuck are arranged in the clamping part, through a thread and a spiral groove structure on the surface of the shaft rod, rapid adjustment of the clamping distance is realized under driving of an external shifting ring, and the measuring head piece is used for stably and rigidly clamping structures such as cable ends, tabs or copper bars. The contact head is electrically connected with the measuring head piece, and the surface of the contact head is provided with a gap clamping groove, a wire clamping hole and a meshing groove, so that elastic clamping or hanging of a contact, a wire and a needle-shaped electrode can be realized. Through the combined arrangement of the elastic contact pin and the adjustable rigid clamping structure, the test contact pin can adapt to test contacts of various shapes and specifications, the problems that a traditional contact pin is difficult to maintain and an alligator clip is easy to fall off are avoided, the stability and operation convenience of test connection are improved, and the test contact pin is suitable for complex power test working conditions.

A water ion generating device and an electronic device equipped with the water ion generating device are provided, which extend the service life of a condensation member and a cooling assembly. [Solution] The water ion generator comprises a support 1, an electrode assembly 2, a cooling assembly 3, and a high-voltage power supply. The electrode assembly has a needle-shaped electrode 21 and a counter electrode plate 22. The discharge end of the needle-shaped electrode is placed opposite the counter electrode plate. One side of the needle-shaped electrode is combined with the support to form a liquid passageway. The liquid passageway extends along the length of the needle-shaped electrode to the discharge end of the needle-shaped electrode, and the cooling assembly abuts the other side of the needle-shaped electrode, allowing condensed water to accumulate within the liquid passageway. Both ends of the high-voltage power supply are connected to the counter electrode plate and the needle-shaped electrode, respectively. A high-voltage discharge occurs between the discharge end of the needle-shaped electrode and the counter electrode plate, which ionizes the condensed water on the discharge end to generate water ions.

This utility model discloses a device for detecting the freezing effect throughout the construction process of a connecting passage, comprising: an acoustic detection system including a first acoustic transmitter arranged along the central axis of the connecting passage, a second acoustic transmitter and a third acoustic transmitter respectively arranged between the structure and the freezing pipe, and a first acoustic receiver, a second acoustic receiver, a third acoustic receiver, and a fourth acoustic receiver arranged circumferentially along the outer side of the frozen wall; an electrical resistivity detection system including needle-shaped electrodes respectively arranged around the perimeter of the connecting passage, with the two outer needle-shaped electrodes on each side being current electrodes and the two inner needle-shaped electrodes being voltage electrodes; and a data processing system including an acquisition module, a processing module, a transmission module, a data storage module, and a visualization module. This utility model improves the real-time performance and accuracy of detecting the freezing effect throughout the construction process of a connecting passage by combining the characteristics of ultrasonic wave propagation with resistivity electrical resistivity detection.

The invention discloses a solid waste treatment device and method based on multi-needle cooperative discharge, and belongs to the technical field of crushing, the solid waste treatment device comprises a multi-needle array electrode, a grounding electrode, a high-voltage pulse power supply, a regulation and control module and a reaction chamber; the multi-needle array electrode comprises a plurality of needle electrodes which are symmetrically distributed, the multi-needle array electrode is fixed in the reaction chamber and is connected with the high-voltage pulse power supply and the regulation and control module through the high-voltage transmission line, and the grounding electrode is arranged below the multi-needle array electrode; the solid waste is placed in the reaction chamber filled with water, the solid waste is subjected to discharge treatment through the high-voltage pulse power supply and the regulation and control module, and crushed solid waste particles are obtained. By arranging the detachable multi-needle array and the pulse power supply module, accurate adjustment of a discharge area and voltage is achieved, different solid waste treatment requirements are met, meanwhile, the structure is simple, the cost and maintainability are excellent, no other pollutants are discharged in the treatment process, and the environment-friendly requirement is met.

Described herein are methods and systems for using the treatment tip apparatuses and high-voltage connectors with robotic surgical systems. For example, retractable treatment tip apparatuses (e.g., devices, systems, etc.) including one, or more preferably a plurality, of electrodes that are protected by a housing (which may be retractable) until pressed against the tissue for deployment of the electrodes and delivery of a therapeutic treatment, are disclosed. In particular, these apparatuses may include a plurality of treatment needle electrodes and may be configured for the delivery of nanosecond pulsed electric fields. Also described herein are high-voltage connectors configured to provide high-voltage energy, such as nsPEF pulses, from a generator to the retractable treatment tip apparatuses.

The invention discloses a lung positioning ablation needle, which belongs to the technical field of medical instruments and comprises a puncture needle, an energy generator, an impedance monitoring unit, a feedback control unit and the like. The puncture needle is composed of a main needle and a plurality of sub-needles, the sub-needles form a cage-shaped structure after being unfolded, target tissue can be stably anchored, sub-needle electrodes and main needle electrodes are evenly distributed at intervals, and a composite ablation area which is uniform in size and clear in boundary can be formed. The micro-fluid regulation and control cavity integrated with the expandable hydrogel fibers is innovatively arranged in the perfusion channel, controllable guiding and dynamic shaping of ablation energy distribution are achieved by actively constructing a hydrogel barrier, and the conformity of an ablation area is remarkably improved. On the basis, the system further monitors tissue impedance change in real time and dynamically adjusts energy output and fluid exudation parameters to form closed-loop control, so that self-adaptive accurate ablation is realized.

The application discloses a kind of plasma sterilization and deodorization device and control method thereof, it is related to low-temperature plasma application technical field.A kind of plasma sterilization and deodorization device, comprising: fan guide flow circulation module, fan guide flow circulation module has interface module, discharge module, decomposition module in turn sealed series along gas flow direction, discharge module includes insulating layer, the outer surface of insulating layer is provided with the discharge electrode layer formed by the winding of conductive wire, and the inside is attached with the rod-shaped conductive electrode.Installing is discharged when discharge module, insulating layer is attached with conductive electrode, so that discharge form is medium resistance discharge surface discharge, replaces traditional needle discharge form, avoids needle-shaped electrode condensate aggregation short-circuit problem, by adjusting the winding length of conductive wire cooperates voltage regulation, from source control the ozone amount generated by discharge, realize the controllable generation of low concentration of ozone, after further reducing ozone concentration after the catalyst decomposition of decomposition module, improve safety.

The present invention relates to the technical field of nerve stimulation, and in particular, to a wearable minimally invasive tibial nerve stimulation apparatus, which comprises a nerve stimulation unit, a nerve conduction monitoring unit, a surface-mounted minimally invasive needle electrode unit, a return electrode unit, an auxiliary positioning and binding unit, a button unit, a display unit, a power management unit, and a wireless signal transmission unit. According to the present invention, electrical stimulation signals are effectively transmitted to subcutaneous tissues by means of the wearable microneedle puncture technology, achieving effective stimulation of tibial nerves deep in the tissues; adaptive adjustment of output signals of the nerve stimulation unit is achieved based on nerve conduction monitoring and plantar motion decoding technologies, achieving individual adaptive stimulation, thereby reducing the discomfort of transcutaneous stimulation, and improving the therapeutic effect.

The utility model discloses a tungsten needle electrode auxiliary polishing device which comprises a connecting assembly part used for being assembled with an angle grinder, a polishing supporting rod is fixedly connected to the connecting assembly part, and a polishing adjusting frame and an electrode polishing sleeve used for being sleeved with a tungsten needle electrode are movably assembled at the upper end of the polishing supporting rod. A nut is fixed to the surface of an angle grinder, the whole device is installed on the angle grinder through cooperation of a connecting assembly part, a bolt and the nut, an electrode grinding sleeve is supported on the side portion of a grinding wheel on the angle grinder under the action of a grinding supporting rod, and the position of the electrode grinding sleeve is kept through a grinding adjusting frame; the tungsten needle electrode can penetrate through the rear end of the electrode polishing sleeve to be in contact with an upper grinding wheel of the angle grinder so as to be polished and cleaned, in the process, stability of the tungsten needle electrode can be maintained conveniently, the polishing position can be adjusted conveniently, polishing quality and efficiency can be guaranteed, and by means of the advantages that the polishing machine is small in size and convenient to carry, the polishing efficiency is improved. And the use convenience is greatly improved.

To improve static elimination performance without limiting the static elimination range of the guide plate, and to ensure the strength of the guide plate without reducing the paper-passability of the guide plate. [Solution] The static eliminator 500 includes a needle-shaped electrode 502 and a guide member 503 that guides the recording medium 9, and the guide member 503 is positioned outside the range of the discharge irradiation angle 2α formed by applying a voltage to the needle-shaped electrode 502.

The invention discloses a lubricating material electric corrosion test and quantitative analyzer and an analysis method thereof, and relates to the technical field of electric corrosion experiments.The device comprises a needle point electrode, a lubricating oil pool, a displacement driving mechanism and a circuit module, and the needle point of the needle point electrode vertically faces a metal sample. The geometric characteristic that the curvature radius of the tip of the needle tip electrode is extremely small is utilized, the discharge phenomenon is highly localized in a micro area below the needle tip, accurate positioning of the discharge position is achieved, and the problem of random distribution of discharge points on the surface of a ball electrode is solved; the high-precision displacement driving mechanism is used for precisely regulating and maintaining the micron-order gap between the needle point electrode and the metal sample, and the circuit module is combined to apply the pulse voltage with precise and controllable parameters, so that the consistency of the discharge energy and the action range of each time is jointly ensured; therefore, a single electric corrosion pit with determined position and highly repeated geometrical morphology can be prepared on the surface of the metal sample, and the core problems of strong discharge randomness and low morphology repeatability are effectively solved.

The present application relates to the technical field of medical devices, and provides an electrode assembly and an electrocoagulation hemostasis device thereof, which comprises a support body, an electrode body movably arranged on the support body, and a plurality of needle-shaped electrode needles arranged on the electrode body, the electrode body can be displaced relative to the central axis of the support body, the plurality of electrode needles have the same length, adjacent electrode needles are insulated from each other, and the electrode needles are in direct contact with a human tissue site, so that an electric current is transmitted to the human tissue site through the support body, the electrode body, and the electrode needles in turn. The present application can more rapidly and effectively control bleeding, can simultaneously process a plurality of bleeding points in one operation, is suitable for large-area wounds or complex surgical scenarios that require rapid hemostasis, thereby shortening the operation time and reducing the occurrence of complications; the electrode assembly can act on the human tissue site through the perforation of a compression hemostasis member, and the electrode assembly is used in cooperation with the compression hemostasis member, so that the purpose of hemostasis is achieved, and the operation efficiency is improved.

The application provides a simple metal electric spark punching device based on thyristor self-holding, which comprises a mechanical unit and an electrical driving unit. The mechanical unit comprises a metal guide rail with horizontal shaft supports fixed at both ends, guide rail connecting supports fixed outside the horizontal shaft supports, linear bearings slidably sleeved on the metal guide rail, a stepping motor and a needle electrode fixed on the linear bearings through a stepping motor base, a threaded rod connected with the stepping motor main shaft through a shaft coupling, a needle electrode feeding limit switch and a needle electrode retreating limit switch fixed on the opposite sides of the metal guide rail, and a workpiece to be punched fixed on the guide rail connecting support on the side of the needle electrode. The electrical driving unit comprises a discharge main circuit, a needle electrode motor feeding and retreating driving circuit, a voltage detection and pulse control circuit, and a start-stop machine control circuit. The device uses a thyristor to drive a stepping motor through a pulse generated by capacitor charging and discharging, and realizes self-control of the device through the self-holding characteristic of the thyristor, so that energy saving, portability and low cost are achieved.

The utility model discloses a needle electrode welding device. The device comprises a base, a pressing cover and a pressing pad, a protruding protruding part is formed at the front end of the base, a sunken welding groove is formed in the protruding part, and the rear end of the welding groove is communicated with the rear end of the base through a through groove; the gland is composed of a right branch, a middle branch and a left branch which are connected with one another, the right branch is movably connected to the right end of the base, and a spring ball screw is installed in the left branch and can clamp the left side face of the base; the pressing pad is fixed to the bottom of the middle branch and located behind the through groove. According to the needle electrode welding device, the needle electrode is stably pressed through the pressing cover to prevent the needle electrode from shaking, the needle point of the needle electrode is protected from being crushed through the pressing pad, and therefore welding work of the needle electrode and a cable can be smoothly conducted.

The utility model discloses a deep brain long needle electrode, which comprises a needle body, at least one connecting part and a contact assembly, the connecting part is detachably connected with the needle body, the contact assembly comprises a flexible part and a plurality of electric contacts, the flexible part is connected with the at least one connecting part and can wrap or fall off the outer surface of the needle body, and the electric contacts are electrically connected with the flexible part. The plurality of electric contacts are distributed at intervals along the surface of the flexible part and are connected to the flexible part. The utility model can effectively solve the problems that the diameter of the whole probe is increased due to the fact that a large number of conductive wires are needed for increasing the number of channels, and brain tissues are damaged due to the increased diameter of the probe.

This invention relates to an equivalent testing device and method for the interfacial insulation strength of GIS cable terminals. The device includes a high-voltage power supply, a partial discharge acquisition device, a test electrode system, and a microscopic observation system. The test electrode system includes a pressure application workpiece, an acrylic pad, a foil strain gauge, a pressure transducer, a prefabricated copper foil electrode, and a test sample. The acrylic pad has a three-layer acrylic pad structure, with the test sample and foil strain gauge placed between the layers. The test sample is placed using a layered arrangement of silicone rubber and epoxy resin sheets, with a prefabricated copper foil electrode bonded in the middle. The high-voltage needle electrode and the grounding plate electrode of the prefabricated copper foil electrode are respectively connected to the high-voltage side and the grounding side of the high-voltage power supply. This invention uses a prefabricated copper foil electrode, which ensures a tight fit between the electrode and the double-layer insulation medium, solving the problem of significant air gaps caused by the inability to adhere the double-layer insulation medium. It can be widely used for testing interfacial insulation strength and the failure process.

The utility model discloses a portable pin electrode detection device which comprises a box body, the box body is provided with a first mounting hole, a second mounting hole and a third mounting hole, and the first mounting hole, the second mounting hole and the third mounting hole are all located in the same horizontal plane; the needle head connecting module is mounted in the first mounting hole; the needle cap connecting module is mounted in the second mounting hole; the control chip is mounted in the box body, and the control chip is connected with the needle head connecting module and the needle cap connecting module; and the prompting module is mounted in the third mounting hole and is connected with the control chip. According to the utility model, the needle electrode can be rapidly detected.