39results about How to "Avoid signal interference" patented technology

This utility model discloses a rapid testing device for rock deformation parameters, comprising a protective shell, one end of which is connected to the drill pipe and the other end to the drill bit. A power supply module, a resistance strain gauge group, a deformation parameter testing module, and a wireless transmission module are installed inside the protective shell. The power supply module provides power to the resistance strain gauge group, the deformation parameter testing module, and the wireless transmission module. The internal power supply line connecting the power supply module and the resistance strain gauge group is connected to the deformation parameter testing module via a signal transmission line. The deformation parameter testing module is electrically connected to the wireless transmission module. This utility model, by deploying resistance strain gauges, the deformation parameter testing module, and the wireless transmission module, monitors the strain signal generated by the interaction between the drilling equipment and the rock in real time, achieving rapid, accurate, and real-time testing of the Poisson's ratio of the rock mass during drilling, thereby guiding the evaluation of surrounding rock stability and the optimization design of support schemes in underground engineering.

The invention belongs to the technical field of sensors, and particularly relates to a small-size vehicle PTH temperature, humidity and pressure integrated sensor which comprises a shell, a pressure sensing unit, a temperature and humidity sensing unit and a signal collecting and processing unit. The temperature and humidity sensing unit comprises a temperature and humidity sensing substrate and a temperature and humidity sensing chip which are longitudinally arranged below the base; the signal collecting and processing unit comprises a main PCB (Printed Circuit Board) which is transversely arranged above the base; the main PCB is transversely arranged above the base, the temperature and humidity sensing substrate is longitudinally arranged below the base, the main PCB and the temperature and humidity sensing substrate are separated through the base, signal interference can be avoided, heat transfer can be isolated, and the detection precision is greatly improved; and the temperature and humidity sensing substrate is opposite to the flow guide channel and is electrically connected with the main PCB through a plurality of connecting pins, so that complete independence of temperature, humidity and pressure acquisition is realized on the premise that the radial size of the sensor is not increased or even reduced, and comprehensive measurement of temperature, humidity and pressure is realized.

The utility model discloses an energy storage system DC cable comprising a conductor, and the outer side of the conductor is sequentially wrapped by a composite isolation layer, an insulation layer, an anti-spraying layer, a ceramic protection layer, a metal fiber shielding layer and a sheath layer. The conductor is of a layered winding structure, and the winding pitch is 6-8 times of the twisting outer diameter of the conductor. The direct-current cable of the energy storage system has excellent bending performance and tensile performance, also has excellent electrical insulation performance, and can ensure stable insulation performance in both high-temperature and low-temperature environments; meanwhile, the cable is fireproof, waterproof, damp-heat-resistant and excellent in flame retardant property; moreover, the cable can resist electromagnetic interference, thereby guaranteeing the stability of signal transmission. In addition, the cable is small in outer diameter and light in weight, and can meet the requirements of light weight and flexibility of the cable.

The present application relates to the biological field, and particularly to a weak acid buffer and its use in an immunopeptidome separation reagent, the weak acid buffer comprising amino acids and / or polypeptides, the mass-to-charge ratio of the amino acids and / or polypeptides being theoretically predictable and experimentally reproducible, or the mass-to-charge ratio being beyond the preset acquisition range of a mass spectrometer; the weak acid buffer further comprising a volatile acid, the volume concentration of the volatile acid being 0.01% to 10%; and the pH of the weak acid buffer being 3.0 to 3.5. The weak acid buffer of the present application has high compatibility, can maximally avoid pollution and signal interference to an analysis system, has a simple experimental procedure, and the overall operation can be completed within tens of minutes, thus having low technical threshold and high acceptability; can improve the number of immunopeptide groups identified, thus improving the efficiency of the experiment; and the reagent is cheap and easy to obtain, thus the method has low cost, is suitable for large-scale or even industrial use, has high universality, and the like.

This invention discloses a flow cytometry method for detecting fluorescent microspheres based on TSA signal amplification. The method includes: incubating fluorescently encoded microspheres coated with a capture antibody with a sample; adding a biotinylated detection antibody to form a sandwich complex; subsequently introducing two high-density signal amplification polymers sequentially: SA-PolyHRP400 as the first signal amplification polymer, and a second signal amplification polymer with a polysaccharide backbone and covalently coupled with multiple tyrosine and luciferin molecules. Under HRP catalysis, the tyrosine is activated and covalently deposited in the vicinity of the microspheres, achieving exponential amplification of the fluorescence signal. This method is simple to operate, more efficient than traditional methods, and more suitable for high-throughput, high-timeliness platforms like flow cytometry. It also exhibits high sensitivity, high specificity, and good repeatability for detecting low-abundance proteins such as IL-6 based on the sandwich method, and is compatible with non-magnetic / magnetic fluorescently encoded microspheres of various sizes. It is suitable for multi-indicator detection and can be widely applied to early clinical diagnosis and trace biomarker analysis.

The embodiment of the utility model discloses a test device, a test circuit and a test system, and relates to the field of test equipment. The testing device comprises a plurality of module modules, a plurality of channel modules, a control circuit, a first simulation module and a second simulation module. The plurality of module modules are arranged in parallel and are correspondingly connected with the plurality of acquisition modules; the plurality of channel modules are connected with the plurality of module modules; the control circuit is used for controlling the plurality of module modules and the plurality of channel modules; the first simulation module is connected with the plurality of channel modules; and the second simulation module is connected with the plurality of module modules. And the control circuit is configured to control the tested module to be communicated with the first simulation module through the plurality of connected channel modules when the tested acquisition module is tested. The testing device can quickly and independently test a single battery module, and the testing efficiency is improved.

The application discloses an intelligent adaptive semiconductor package test optimization method, and particularly relates to the technical field of semiconductor package testing. The method establishes a package test item attribute library, configures a cooling time window and a load inertia label for each test item; after the execution of a current test item is completed, real-time state data of an automatic test equipment, a probe card, a load board and a chip to be tested are collected to determine the residual influence state of the current test item on subsequent tests; a candidate test item to be executed is obtained, and the test sensitivity level of the candidate test item is matched with the residual influence state to obtain an execution risk result; the test sequence is dynamically adjusted according to the execution risk result, the candidate test item is delayed, a low-load buffer test item is inserted or a low-risk test item is switched to when there is a risk; the adjusted test process is executed, and the cooling time window and the load inertia label are updated; and the application can reduce test scheduling conflicts, signal interference and probe or chip damage risks.

The application discloses a cross-medium laser radar detection system and method. The system comprises a transmitting module, a receiving module and a control processing module. The transmitting module generates a large pulse laser through the same laser, which is divided into a detection beam and an acoustic beam by a beam splitter, and respectively enters a water body to be detected to form the detection beam and the acoustic beam; the receiving module receives reflected light signals and reflected sound signals through first and second receiving units, and converts them into corresponding first and second electric signals; the control processing module fuses the two types of electric signals to obtain a detection result. The method combines the advantages of optical short-range high-resolution and acoustic long-range wide coverage through photoacoustic synchronous detection, solves the problem that a single detection method cannot balance distance and resolution, realizes cross-medium detection of underwater targets in full range and high precision, is suitable for underwater search and rescue, resource exploration and other scenes, and improves the reliability and efficiency of detection.

The utility model relates to the field of sound equipment, in particular to a sound equipment set connector which comprises a bearing box with a built-in partition plate, universal wheels with built-in self-locking structures are arranged at the lower end of the bearing box, the bearing box is divided into an upper space and a lower space by the partition plate, a power signal end is arranged in the lower space, and a lifting module is arranged in the upper space. A DI box end is arranged at the upper end of the partition plate, the lifting module comprises a first bearing seat arranged at the upper end of the partition plate, a lead screw is rotationally connected into the first bearing seat, a lifting seat is in threaded connection with the outer wall of the lead screw, a bearing plate is arranged at the upper end of the lifting seat, and a sound console end is arranged on the bearing plate. A worm is rotationally connected into the second bearing seat, a U-shaped frame is further arranged at the upper end of the partition plate, the worm is arranged in the U-shaped frame in a penetrating mode, and a rotary knob is arranged at the tail end of the worm. According to the utility model, high-quality audio transmission and low loss are ensured, interference is avoided, the wiring process is simplified, rapid deployment and stable operation are realized, and time and energy are saved.

The application relates to the technical field of unmanned aerial vehicles, in particular to a throwing device and an unmanned aerial vehicle thereof, which comprises a base, an accommodating cavity for accommodating a control panel is formed in the base; a support frame extends outwardly with the base as the center, the support frame is provided with a wiring cavity communicating with the accommodating cavity; a quick-release assembly is arranged at the top of the base and / or the support frame, and a wire passing channel communicating with the accommodating cavity is arranged in the quick-release assembly; a plurality of throwing assemblies are correspondingly arranged at the ends of the support frame, so that the center of gravity of the base is kept balanced, the cables of the throwing assemblies sequentially pass through the wiring cavity of the support frame, enter the accommodating cavity and are connected with the control panel, and the cable of the control panel is led out through the wire passing channel and is used for electrically connecting with the unmanned aerial vehicle. The application realizes centralized, orderly and concealed arrangement of the cables of the multiple throwing assemblies, and the structured wiring mode solves the problem of disorder of the internal cables of the traditional multiple throwing end devices.

The invention discloses a phased-array antenna beam forming test method in a darkroom-free environment, and relates to the technical field of satellite communication terminal complete machine testing, comprising the steps of initializing test system configuration, setting test parameters, initializing an antenna state, establishing a test environment, and connecting a test antenna with a channel simulator; cross coupling of non-corresponding channels is isolated and reduced through an algorithm, a signal transmission link between a test antenna and a tested antenna is established through a wireless channel by adopting a virtual wire connection mode, non-contact test is realized, beam forming test is performed, a mobile station moves to a preset test area, impedance of the test antenna is adjusted by adopting an electronic tuning mode, and the antenna is tested. The beam former realizes independent control of an uplink and a downlink, analyzes a test result and generates a report, does not need to depend on fixed test facilities such as a microwave anechoic chamber and a calibration tower, can directly test in an actual working scene, and is particularly suitable for field test of mobile equipment such as a large vehicle-mounted phased array system.

The application relates to the technical field of motor rotor temperature detection, in particular to a motor rotor temperature rise test structure. The motor rotor temperature rise test structure comprises a rotating shaft, a plurality of rotor cores, a rotor pressing plate, a connecting tool and a plurality of temperature sensors, the rotating shaft is provided with a first channel, the rotor core is provided with a plurality of axial through magnetic steel grooves and glue overflow grooves, the glue overflow grooves of adjacent rotor cores are partially overlapped in the axial direction to form a second channel, the rotor pressing plate is provided with a third channel arranged along the radial direction, one end of the third channel is communicated with the first channel, and the other end of the third channel is communicated with the second channel, the connecting tool is fixedly connected with the end of the rotating shaft, the connecting tool is provided with a temperature rise recorder, the plurality of temperature sensors are installed on different circumferential positions in the second channel, and the temperature sensors are connected with the temperature rise recorder. The test tool of the application is simple in structure, can accurately obtain the temperature rise of the rotor assembly under the working state without damaging the rotor assembly.

The utility model relates to the technical field of gas pressure difference detection, in particular to a double-nozzle type gas pressure difference sensor, which comprises a base and a metal cover plate, a circle of mounting groove is arranged on the inner wall of the base, the metal cover plate is mounted on the mounting groove, two air nozzles are arranged on the base, and an air pressure chamber and two air holes are arranged in the base. The air pressure chambers are communicated with the corresponding air taps through air holes, MEMS chips are embedded in the air pressure chambers, resistance strain gauges are arranged on the surfaces of the MEMS chips, the MEMS chips are attached to one air hole, one face of each resistance strain gauge is communicated with the corresponding air tap, and the other face of each resistance strain gauge is in contact with the corresponding air pressure chamber. Communication pins electrically connected with the MEMS chip are arranged on the two sides of the base. According to the utility model, high-precision and high-reliability differential pressure detection is realized through a double-gas-path isolation design, MEMS high-precision sensing, gas nozzle structure reinforcement, reverse connection prevention and heat dissipation optimization, and the differential pressure sensor is particularly suitable for the field of medical equipment.

The application is suitable for the fields of high-end flexible sensing preparation and multi-modal sensing detection technology, and provides a patch type ultrasonic biomarker integrated sensor and a detection method.The sensor comprises a patch type ultrasonic transducer array, which is used for real-time monitoring of muscle and bone diseases, realizes multi-parameter multi-modal data information fusion detection and analysis of muscle and bone structure-function, a microneedle electrode array, which is used for in-situ detection of biomarkers and collection of physiological electrical signals, a flexible electronic circuit, which is used for bearing and connecting the patch type ultrasonic transducer array and the microneedle electrode array, and an acoustic coupling adhesive layer, which is used for skin fitting and acoustic coupling.The application can systematically evaluate the structure, mechanics, metabolic inflammation level and nerve function activity coordination of muscle and bone, provides a new means for early identification, quantitative evaluation and personalized intervention of muscle and bone diseases, and has important clinical and industrial values.

The utility model is suitable for the technical field of network testers, and provides a network tester, comprising a housing; the circuit board is arranged on the inner wall of the shell; the RJ45 interface is arranged on the circuit board, extends to the outside of the shell and is used for connecting a network cable; the side plate is fixedly mounted on one side of the shell; and the protection mechanism is arranged on the side plate and is used for protecting the RJ45 interface. The network tester provided by the scheme not only can be used for network testing, but also has a protection function for the RJ45 interface, is relatively high in holding stability, is not easy to fall off, and has an auxiliary lighting function.

This invention provides a hybrid bonding structure and bonding method based on an interlocking structure. The hybrid bonding structure includes: a first chip to be bonded, having a silicon oxide layer and a first connector protruding from the silicon oxide layer; and a second chip to be bonded, having a polyimide layer, a recess within the polyimide layer, and a second connector at the bottom of the recess. The surface of the second connector is provided with a first adhesive layer. The materials of the first and second connectors include copper and / or aluminum. The first and second chips to be bonded are configured such that: before bonding, the height difference of the first connector protruding from the oxide layer is greater than the height difference between the top surface of the first adhesive layer and the top surface of the silicon oxide layer; after bonding, the silicon oxide layer and the polyimide layer are connected, and the first connector extends into the recess and is connected to the second connector using the first adhesive layer, thus forming an interlocking structure. This invention is used to optimize the performance of the hybrid bonding process and bonding structure.

The invention relates to the field of boiler systems, and discloses a temperature adjusting system for a last-stage reheater of a boiler, which is used for improving the operation safety and reliability of the last-stage reheater of the boiler. Comprising the steps of collecting real-time temperature data of key parts of a boiler by connecting a power plant SIS or DCS system, and additionally installing a thermocouple enhancement data set to generate a temperature data set containing spatial position information. And calculating to obtain the three-dimensional temperature field distribution of the pipeline by using a model considering the dynamic change of the oxide skin. And based on the distribution, monitoring overtemperature points in real time, and generating temperature state evaluation and overtemperature early warning information. According to the invention, an equipment life prediction model is established, the damage accumulation degree of the pipeline material is evaluated, the residual life is predicted, a preventive maintenance strategy is made, and a maintenance plan suggestion is generated and integrated to a power plant maintenance plan system to guide equipment maintenance management.

This application discloses a method, apparatus, and phase-change memory (PCM) chip read / write monitoring system, belonging to the field of semiconductor technology. The method includes receiving read / write commands for the PCM chip; monitoring whether an anomaly occurs during the execution of the read / write commands; and if an anomaly is detected, outputting an alarm signal through an error indication signal line configured on the PCM chip. The error indication signal line is independent of the data bus, command bus, and address bus of the PCM chip, and the alarm signal is used to distinguish whether the anomaly is a write command anomaly or a read command anomaly. This application can distinguish between read / write anomaly types, thereby enabling monitoring of the internal command execution status of the chip and improving the chip's debuggability, reliability, and system-level fault location efficiency.

This application provides a chip cavity packaging structure, relating to the field of semiconductor technology. The chip cavity packaging structure includes a substrate, a chip, a film layer, and a molding compound. The chip is mounted on the substrate, and the chip and substrate are electrically connected. The film layer covers the chip, and the film layer forms a sealed cavity between the chip and the substrate. The molding compound encapsulates the chip and the film layer; a groove is formed on the molding compound, and metal pillars are placed within the groove. The vertical isolation structure formed by the metal pillars has excellent blocking effect on vertically propagating sound waves, preventing signal interference between chips, and also has good heat dissipation characteristics.

The utility model discloses a computer cable storage and arrangement device, and relates to the technical field of computer corollary equipment. The storage box comprises a storage box body, a storage and arrangement assembly is arranged in the storage box body and comprises a plurality of vertical partition plates, the vertical partition plates are fixedly arranged on the inner wall of the storage box body, an inner cavity of the storage box body is divided into a plurality of first storage cavities through the vertical partition plates, and a plurality of second storage cavities are formed in the inner cavity of the storage box body. A plurality of transverse partition plates are fixedly arranged in one of the first storage cavities; according to the computer cable storage box, through the arrangement of the storage and arrangement assembly, the first storage cavity and the second storage cavity are formed in the storage box, the first storage cavity can be used for conducting classified wiring on computer cables, and the second storage cavity can be used for conducting classified storage on computer cable wiring equipment; therefore, classified storage of the computer cables and the computer cable wiring equipment and classified wiring of the computer cables are conveniently achieved, subsequent maintenance of the computer cables is facilitated, and meanwhile signal interference is avoided.

The invention discloses a tool structure element arrangement method for improving magnetic detection underground safety, and belongs to the technical field of oil and gas well drilling, and the method comprises the following steps: a, preparing a titanium alloy outer cylinder; b, one end of the titanium alloy outer cylinder is provided with a female buckle, and the other end is provided with a male buckle; c, a first sinking groove is milled in the end close to the male buckle in the circumferential direction of the outer surface of the titanium alloy outer barrel, and a second sinking groove is milled in the end close to the female buckle in the circumferential direction of the outer surface of the titanium alloy outer barrel; d, a shallow groove is milled between the first sinking groove and the second sinking groove, one end of the shallow groove is connected with the first sinking groove, and the other end of the shallow groove is connected with the second sinking groove; and e, the magnetic probe and the circuit board are packaged in the first sinking groove, the battery pack is packaged in the second sinking groove, an electric wire is installed in the shallow groove, and the magnetic probe, the circuit board and the battery pack are connected through the electric wire. The prepared magnetic detection tool can avoid signal interference, the magnetic detection effect is guaranteed, the stress in the underground pressed bending and rotating process can be reduced, and the use safety is guaranteed.

The utility model discloses a connector with an anti-interference function, which relates to the technical field of connectors and comprises a shell, a first grounding terminal assembly, a second grounding terminal assembly, a third grounding terminal and a fourth grounding terminal. The first grounding terminal assembly comprises a first forming piece, a first grounding piece, a first grounding terminal, conductive adhesive and a shielding piece. The first forming piece, the first grounding piece and the first grounding terminal of the first grounding terminal assembly are connected in a forming mode. The first grounding piece is provided with a first short-circuit point which is tightly connected with the middle part of the first grounding terminal; the shielding sheet is provided with a second short circuit point which is tightly connected with the lower end of the first grounding terminal; the conductive adhesive and the shielding sheet are molded and fixed, so that the shielding effect of equipment is enhanced, electromagnetic interference is effectively prevented, and signal interference can be effectively prevented; and through short circuit, mutual interference is reduced, the anti-interference performance is improved, and the stability is ensured.

The utility model discloses an audio frequency transmission device and karaoke equipment, relate to audio equipment field, and this audio frequency transmission device includes first processing chip, second processing chip and third processing chip, and first processing chip is equipped with input interface group and output interface group, and output interface group includes analog human voice output end and digital audio output end, and second processing chip is equipped with analog human voice input end, and the original sound signal input end and audio synthesis output end, and analog human voice input end is connected with analog human voice output end, and third processing chip is equipped with digital audio input end, and the first original sound signal output end and second original sound signal output end, and digital audio input end is connected with digital audio output end, and the first original sound signal output end is connected with first processing chip, and second original sound signal output end is connected with the original sound signal input end. The independent processing chip division handles the audio signal, avoids signal interference, and promotes the stability of audio processing efficiency and signal transmission.

The utility model relates to the technical field of cladding type ground wire ducts, and discloses a trapezoid cladding type ground wire duct, which comprises a base and a surface cover, the top of the base is fixedly connected with a supporting plate, the bottom of the base is fixedly connected with inclined plates in a bilateral symmetry manner, and the bottom of the surface cover is fixedly connected with a clamping strip. The inclined plates are symmetrically arranged at the bottom of the base left and right, the other sides of the inclined plates are fixedly connected to the tops of the supporting plates on the left and right sides of the top of the base, four notches are formed in the top of the base, and a stable triangular supporting system is constructed through the structural design. In actual use, no matter whether the wire duct is treaded by a pedestrian or rolled by a heavy object, the inclined plate and the supporting plate act synergistically, so that external pressure can be uniformly dispersed, deformation or damage of the wire duct due to uneven stress is effectively avoided, strong supporting force is provided for the wire duct, and the structural stability of the wire duct in the long-term use process is ensured. Three sets of supporting plates fixedly connected to the top of the base at equal intervals divide the top space of the base into a plurality of independent notches.

The utility model discloses a dual-band cooperative interference circuit module for an anti-unmanned aerial vehicle system, which comprises signal sources, a radio frequency unit and a timing control unit, the signal sources comprise a first signal source and a second signal source, and the radio frequency unit comprises a first power amplifier and a second power amplifier. The first power amplifier and the second power amplifier are respectively connected with the first signal source and the second signal source, the timing control unit comprises a first timing control unit and a second timing control unit, and the first signal source and the second signal source are respectively connected with the first timing control unit and the second timing control unit. A control signal from the timing control unit is received. According to the scheme, by means of the multi-frequency-band design of the power amplifier in the radio frequency unit, 2.4 GHz / 5.8 GHz dual-frequency-band signal synchronous coverage is achieved, and the multi-frequency-band unmanned aerial vehicle target is effectively dealt with.

This utility model relates to the field of classified cable fixing bracket technology, and more particularly to a classified cable fixing bracket, including a receiving base plate, a connecting mechanism, a connecting component on the top of the receiving base plate, an abutment component inside the connecting component, and a sorting component inside the abutment component. Through the sliding cooperation between the fixed slide rail in the sorting component and the classified cable tray, independent placement areas can be flexibly divided according to cable type and diameter, avoiding signal interference or poor heat dissipation problems caused by the mixing and tangling of different cables. The clamping structure composed of the top shell, sliding rod, abutment plate, and connecting spring can provide appropriate and continuous clamping force for cables of different specifications. Combined with the lateral limiting of the abutment block and the longitudinal locking of the buckle plate in the abutment component, it effectively prevents cables from loosening or shifting under vibration, thermal expansion and contraction, etc., significantly improving the standardization of cable laying and the stability of system operation.

This utility model relates to the field of cable harness technology and discloses a lightweight electric vehicle cable harness, including a flexible square corrugated tube with a placement groove inside. This utility model uses the flexible square corrugated tube as the external protective structure of the cable harness. Because it uses a flexible material, it can adapt to the complex installation space inside an electric vehicle and will not easily break during bending, ensuring the safety of the internal cables. Furthermore, the square shape of the flexible square corrugated tube allows for easy stacking during installation, improving space utilization and preventing movement. It also eliminates the need for additional support components to fill gaps, reducing overall weight and achieving the lightweight requirement. A malleable iron wire is fixed to the outer wall of the placement groove, allowing the flexible square corrugated tube to maintain its shape. A square insulating sheet is fixed to the inner wall of the flexible square corrugated tube, primarily serving as insulation. The inner shell protects the cables.

The utility model provides a secondary wiring assembly for a mutual inductor, which comprises a wiring board main body, one side of the wiring board main body is provided with a plurality of mounting ports, the mounting ports are used for external wiring, the other side of the wiring board main body is provided with a bayonet socket, the bayonet socket is provided with a plurality of butt joint sockets, and the secondary wiring assembly further comprises a plug connector. One end of the plug connector is provided with a plurality of butt-joint plugs, the number of the butt-joint sockets is the same as that of the butt-joint plugs, the butt-joint sockets and the butt-joint plugs are arranged in a one-to-one correspondence mode, the butt-joint plugs can be inserted into the butt-joint sockets, and the other end of the plug connector is provided with a plurality of wiring ports which are used for being connected with secondary wiring. The wiring ports and the butt joint sockets are the same in number and are arranged in a one-to-one correspondence mode. By arranging the wiring board main body, the mounting port, the bayonet socket, the plug connector and the corresponding butt-joint socket and butt-joint plug, the assembly process is simplified, the assembly efficiency is remarkably improved, and the operation convenience and reliability are improved.

The utility model relates to an emulator JTAG (Joint Test Action Group) isolation circuit, which comprises an emulator JTAG interface circuit, an intermediate isolation circuit and a target board JTAG interface circuit, the intermediate isolation circuit comprises at least one isolation chip and is used for electrical isolation between the simulator and the target board; the simulator JTAG interface circuit is connected with the simulator; and the target board JTAG interface circuit is connected with the target board. The simulator and the target board are electrically isolated through the isolation chip, the safety of the simulator, a computer connected with the simulator and the target board is effectively protected, the power supply of the simulator is different from the power supply of the target board through the isolation chip, the power supply voltage of the target board is automatically adapted, and the safety of the computer is improved. According to the method, the simulator power supply is matched with the target board with different working voltages to complete a simulation debugging task, and meanwhile, the simulator power supply and the target board power supply are mutually independent to realize isolation of the power supply and a JTAG signal, so that signal interference is favorably avoided.

The utility model discloses an appliance for transdermal delivery of active ingredients, which comprises a main body shell and a head shell, the head shell is provided with an inner electrode and an outer electrode which are coaxially arranged, the inner electrode comprises a conductive base layer and conductive salient points which are distributed on the surface of the conductive base layer in an array mode, and an insulating layer covers a non-working area and exposes the tops of the salient points to serve as electrode points. And the main body shell adopts a modular nested structure, so that the assembly efficiency is improved. The inner electrode structure realizes electric field focusing through the array design of the conductive salient points, the working voltage requirement is reduced, and the energy loss is reduced; the integrated design eliminates interface contact resistance and improves the current transmission efficiency; the design of the opening of the insulating layer accurately controls the electric field action range and enhances the space targeting; the design of a transition layer and a groove is omitted, the manufacturing complexity and cost are reduced, and the device is suitable for efficient transdermal delivery of active ingredients and can be expanded to the fields of beauty, chronic disease treatment and the like.