232 results about "Dc resistance" patented technology

The invention relates to the technical field of electrical performance testing, in particular to a method and system for measuring loss of an inductance winding, and the method comprises the following steps: applying a direct current to a measured inductance winding, synchronously monitoring the temperature, and multiplying a pre-measured direct current resistance value by a direct current value to obtain a direct current loss power value. The direct current is applied to the inductance winding, the temperature is monitored synchronously, the direct-current loss power is obtained by combining the direct-current resistance value and the current value, the temperature curve in the initial stage is extracted, the temperature rise rate is calculated, and therefore the winding heat capacity parameter is obtained, loss measurement can be closely associated with thermal response, and the measurement accuracy is improved. Introduction of a heat capacity factor is added in loss calculation, dynamic characteristics of a winding material on a thermodynamic level can be reflected, instantaneous current with load step change is applied after an inductor is cooled, an instantaneous loss power curve is generated by collecting a voltage sequence and a current sequence at the same time, and loss calculation is not limited to average value or steady state measurement any more.

The invention discloses a high-performance ship cable and a preparation process thereof, relates to the technical field of cables, and aims to solve the problem that an existing cable is insufficient in environmental adaptability, safety, electromagnetic compatibility and the like, the cable comprises a conductor, an insulating layer, a longitudinal waterproof structure, a shielding layer and a sheath layer from inside to outside, the conductor is of a multi-strand soft copper wire stranded structure, and the copper content of the multi-strand soft copper wire stranded structure is larger than or equal to 99.95%; the DC resistance at 20 DEG C is less than or equal to 0.01724 omega mm / m; the insulating layer is made of cross-linked polyethylene or polytetrafluoroethylene and can resist 1.5 times of rated voltage for 1 minute without breakdown; the longitudinal waterproof structure comprises a water-blocking tape and water-blocking paste; the shielding layer is of a double-layer structure, and the shielding effectiveness is larger than or equal to 60 dB The sheath layer is made of a low-smoke halogen-free flame-retardant material and contains an antioxidant and an ultraviolet light absorber, the preparation process comprises six steps of conductor preparation, insulating layer forming and the like, parameters are accurately controlled, the cable can work at the temperature of-40 DEG C to 85 DEG C, is salt-fog-resistant, waterproof and flame-retardant, is adaptive to the complex environment of ships and warships, and the operation reliability and safety are improved.

The invention relates to the technical field of motor test equipment, in particular to a multifunctional motor test operation system and method, and the method comprises the steps: a parameter detection module synchronously collects voltage, current, frequency, temperature, vibration, insulation resistance and DC resistance parameters, and converts the parameters into electric signals; the data processing module carries out amplification, filtering and analog-to-digital conversion on the electric signal to obtain a measured value; the storage module stores the measured value; and the report generation module automatically generates a test run report containing parameter analysis and qualification conclusions through a preset template based on the stored value. The parameter detection module synchronously collects various parameters and converts the parameters into electric signals, the data processing module processes the signals to obtain accurate measured values, the storage module stores data, and the report generation module automatically generates a test run report containing analysis and conclusion based on the stored values. The problems that the function is single, data integration is difficult and report generation is tedious are solved, the testing efficiency and accuracy are remarkably improved, and manual errors are avoided.

The invention relates to the technical field of battery management, and discloses a copper bar looseness identification method and device, equipment and a medium, and the method comprises the steps: obtaining multi-modal data of a battery system; the multi-modal data comprises at least one of voltage, current and temperature and equivalent direct current resistance; determining a first looseness prediction result of the battery system based on the change rates of the at least two types of multi-modal data; calculating the outlier degree of each copper bar point location indicated by the first looseness prediction result; and according to the outlier degree of each copper bar point location, generating positioning information and a fault result of the copper bar point location. According to the scheme, the limitation of single signal diagnosis in the prior art is broken through, and the copper bar looseness is analyzed by voltage-impedance combination based on multi-modal characteristics, so that the accuracy and robustness of copper bar looseness detection are improved.

The invention relates to the technical field of electric power, in particular to a cable nondestructive testing method which comprises the following steps: acquiring corresponding calibration parameters from a database according to the model of a to-be-tested cable, and calculating the total length and fault position of the to-be-tested cable at the near end of the to-be-tested cable by adopting a time domain reflection method; at the tail end of the cable to be detected, at the tail end, at least two core wires are short-circuited, a four-wire detection method is adopted to measure the direct-current resistance of a core wire loop at the near end, and standard temperature correction is conducted on the direct-current resistance of a single core wire; the resistivity to be measured is calculated by using the total length of the cable to be measured, the actual cross sectional area of the core wire and the direct current resistance of the single core wire at the standard temperature, and whether the actual core wire material of the cable to be measured is qualified is analyzed according to the resistivity to be measured and a resistivity threshold value set based on the calibrated core wire material. And early warning is carried out based on a core wire material analysis result and a fault position. According to the method, the cable length, the fault position and the core wire material qualification can be quickly, nondestructively and accurately detected on site.

The invention relates to the technical field of cable detection, and discloses a cable DC resistance detection and material identification method and system, and the method comprises the steps: constructing a four-wire system low-impedance electrical connection of a cable sample, compensating and correcting the path measurement precision through contact resistance, and obtaining an optimized electrical connection; monitoring a load state and performing closed-loop regulation on load impedance to obtain high-stability direct current; performing high-precision differential signal conditioning on the original voltage signal to obtain purified voltage data; deriving an initial resistance measurement value based on the purification voltage and the high-stability direct current, and performing system error compensation calibration on the initial resistance measurement value through a reference resistance comparison mechanism to obtain a calibrated direct current resistance value; obtaining material identification reference data according to a pre-stored mapping relation between the material and the resistance value in a material resistance database; the range attribution of the calibration direct-current resistance value in the material identification reference data is judged, and the material type is identified; according to the invention, the efficiency of cable DC resistance detection and material identification can be improved.

The application relates to the technical field of lightning protection equipment manufacturing, and discloses a composition for preparing a high-stability direct-current resistance sheet, the high-stability direct-current resistance sheet, a preparation method and application thereof. The composition contains the following components: ZnO, Bi2O3, Sb2O3, Co2O3, MnO2, Cr2O3, SiO2, NiO, SnO2, BN, Al(NO3)3.H2O and silver glass powder. The resistance sheet prepared by using the composition has high stability. In addition, the method can avoid resistance sheet grain coarsening, increase the non-uniformity of the internal microstructure and increase the number of pores; the excellent basic electrical performance of the direct-current resistance sheet can be ensured. Meanwhile, the method can make the electrical performance change of the resistance sheet under current impact and the continuous direct-current electric field smaller, and the performance is more stable.

The utility model discloses a new energy automobile copper clad aluminum braided shield high voltage cable in the technical field of high voltage cable, including stranded copper conductor, the fixed extrusion of insulating layer has on the outer wall of stranded copper conductor, the insulating layer is cross -linked polyethylene or cross -linked polyolefin insulating layer, the insulating layer outside fixedly set semiconductive inner layer, fill in the PP filling strip between semiconductive inner layer with insulating layer, the outer wall of semiconductive layer extrudes and has copper clad aluminum braided shield layer, copper clad aluminum braided shield layer is 0.1~0.2 tinned copper clad aluminum wire, and with semiconductive inner layer is 360 degree ring pressure contact, the outer wall of copper clad aluminum braided shield layer fixed extrusion has aluminum foil layer, the outer wall of aluminum foil layer fixed extrusion has semiconductive outer layer, the outer wall of semiconductive outer layer fixed extrusion has cross -linked polyolefin sheath, the utility model discloses can reduce the shielding layer direct current resistance, guarantees the continuity of grounding, promotes high -frequency shielding efficiency, strengthens in 100kHz~30MHz frequency band shielding attenuation.

The application discloses a kind of on-load voltage regulating transformer DC resistance measurement method and measuring device, method includes: the current of each phase winding of transformer in the same gear state is sampled at multiple time to obtain first sampling current data, based on the time constant estimation value of each phase winding of first sampling current data;Select the sampling current value of several continuous sampling time in first sampling current data as second sampling current data, based on the current stability of second sampling current data to obtain the DC resistance estimation value of each phase winding;First sampling current data is fitted and is obtained by iteration The optimized best DC resistance value of each phase winding is as the DC resistance measurement value of corresponding winding.The application can effectively avoid the shortcomings of long measurement time, high measurement time point requirement and large measurement result error, improve the accuracy and reliability of DC resistance measurement, suitable for DC resistance measurement of various transformers, with wide application scenarios.

A resistance calculation device includes: a characteristic calculation portion configured to calculate a shrinkage rate for each single electrode based on a capacity shift amount of a positive electrode of a deteriorated secondary battery, a capacity shift amount of a negative electrode of the deteriorated secondary battery, a deterioration amount of the positive electrode, and a deterioration amount of the negative electrode, and to calculate a curve representing characteristics of a state of charge and an open circuit voltage of an equivalent circuit of the deteriorated secondary battery by deforming an opening end potential curve for each single electrode before deterioration of the deteriorated secondary battery by the shrinkage rate for each single electrode based on a fixed point; a change amount calculation portion configured to calculate an amount of change in the open circuit voltage of the equivalent circuit based on a difference between the opening end potential curve for each single electrode before the deterioration and the curve representing the characteristics of the state of charge and the open circuit voltage of the equivalent circuit; and a resistance calculation portion configured to calculate a DC resistance of the equivalent circuit by dividing a result of addition of an amount of change in a DC voltage of the equivalent circuit to which a pulse current is applied and the amount of change in the open circuit voltage of the equivalent circuit by a current value when the pulse current is applied to the equivalent circuit.

The embodiment of the invention provides a method and device for determining filter inductance parameters of a switching power supply conversion circuit and a medium. The method comprises the following steps: setting two ends of an output filter capacitor at the output end of a switching power supply as sampling points and connecting a radio frequency connecting line to lead a ripple signal out of a high-low temperature test box for measurement, so that an output voltage ripple amplitude at a preset temperature can be accurately obtained under the condition that the high-low temperature test box is not opened; when the ripple exceeds a preset output ripple amplitude, a magnetic ring winding inductor is installed at the position of an output filter inductor, and the number of winding turns and / or the length of a wire are / is adjusted to adjust an inductance value and a direct-current resistance parameter, so that an output filter inductor parameter meeting a ripple index is rapidly determined; the problems that in the prior art, measurement and adjustment cannot be conducted at the same time in the high and low temperature environment, dead halt and restart are easily caused by large ripples in the mass production stage, and the repeated revision cost is high are solved.

The invention belongs to the technical field of batteries, and particularly discloses a secondary battery, a preparation method thereof and a power utilization device. The secondary battery comprises a positive pole piece, an isolating membrane and a negative pole piece, the positive pole piece comprises a positive current collector and a positive membrane layer located on at least one side surface of the positive current collector, the positive membrane layer comprises a positive active material, a carbon nanotube, graphene, hydrogenated butadiene-acrylonitrile rubber and a modified compound of the hydrogenated butadiene-acrylonitrile rubber, and the graphene has a sheet structure. A carbon nano tube is connected between the graphene with the sheet structure, and a plurality of holes are formed in the surface of the graphene with the sheet structure. According to the design mode provided by the invention, the direct-current resistance of the battery is reduced by improving the conductivity of the pole piece.

The application discloses a flyback transformer winding loss evaluation method, device, equipment and storage medium, and the method comprises the following steps: acquiring electrical data in a preset switching period, and actual primary side current waveform and actual secondary side current waveform of a to-be-tested flyback transformer under the electrical data, and constructing a current calculation model to obtain a primary side current change function and a secondary side current change function; then, the primary side current change function and the secondary side current change function are subjected to Fourier decomposition to obtain a primary side DC component, a primary side harmonic component, a secondary side DC component and a secondary side harmonic component; then, selected primary side harmonic components, selected primary side harmonic frequencies, selected secondary side harmonic components and selected secondary side harmonic frequencies are determined; subsequently, the primary side AC resistance, the primary side DC resistance, the secondary side AC resistance and the secondary side DC resistance of the flyback transformer are acquired; finally, the winding loss value of the to-be-tested flyback transformer is calculated. Through implementation of the application, the winding loss of the flyback transformer can be quantitatively calculated.

The embodiment of the application discloses a control method and device of an air conditioner air-sweeping motor, an air conditioner and a storage medium, and relates to the technical field of air conditioners. The method comprises the following steps: detecting a current voltage between the direct-current resistance; judging whether the current voltage is lower than a predicted voltage, wherein the predicted voltage is a winding temperature of a motor winding at a preset winding temperature, and is measured by detecting the voltage between the direct-current resistance; if the current voltage is lower than the predicted voltage, controlling the air-sweeping motor to slightly swing so that the winding temperature is higher than the preset winding temperature. When the current voltage of the direct-current resistance is lower than the predicted voltage, the heat generation is increased by controlling the slight swing of the air-sweeping motor, so that the winding temperature of the motor winding is increased, the winding temperature is ensured to be always higher than the preset winding temperature, and the effect of eliminating the internal condensation of the air-sweeping motor is achieved.

The utility model discloses an inductor structure, which comprises a magnetic core assembly, a magnetic core, a coil, a first coil, a second coil, a third coil, a fourth coil and a fifth coil, the coil body is arranged in the coil accommodating cavity, and the cross section of the coil body is rectangular; the base is connected with the magnetic core assembly and provided with two tin guide plates, the two tin guide plates are arranged in a central symmetry mode, the magnetic core assembly is made of alloy materials, the saturation magnetic flux density of the magnetic core assembly can be increased, the size of a coil containing cavity in the magnetic core assembly is increased, the cross section of the coil body is arranged to be rectangular, and the size of the coil containing cavity in the magnetic core assembly is increased. The direct-current resistance of the coil body can be reduced, so that the temperature rise current and the rated current are improved to meet the current requirement of a circuit.

The present disclosure provides a coil component having a structure capable of reducing DC resistance and floating capacity, and an electronic device including the same. A coil component (1) according to the present disclosure comprises: a first coil formed into a cylindrical shape by bending a rectangular first conductor in the long-side direction; a second coil formed into a cylindrical shape by bending a rectangular second conductor in the long-side direction; a first lead wire and a second lead wire; and a third lead wire and a fourth lead wire. The first lead wire is electrically connected to an input electrode. The second lead wire and third lead wire are electrically connected to an intermediate electrode. The fourth lead wire is electrically connected to an output electrode. The first coil and the second coil are disposed on a substrate so that a first winding axis of the first coil and a second winding axis of the second coil are substantially parallel to the substrate.

A conductor DC resistance testing device disclosed by the present invention comprises a detection table, a detection bridge, two first clamps and two second clamps, a cavity layer is arranged in the detection table, an S-shaped bent electric heating tube is arranged in the cavity layer, and wrapping covers used for wrapping the detection table after being folded are arranged on both sides of the detection table. First connecting lugs are arranged at the two ends of the wrapping cover, connecting holes are formed in the first connecting lugs, a rotating shaft penetrating through the connecting holes is arranged on the detection table, and a thermometer is arranged on the inner wall of the wrapping cover. After being combined, the two wrapping covers can wrap the outer side of the detection table, the electric heating pipes heat the space in the wrapping covers, meanwhile, the thermometers are used for monitoring the change of the temperature in the wrapping covers, and after the temperature is controlled to range from 15 DEG C to 25 DEG C and is stabilized for a period of time, conductor resistance testing can be conducted on the cable. And finally, the ambient temperature around the cable can be always controlled between 15 DEG C and 25 DEG C, so that the measurement accuracy can be improved.

The invention relates to the technical field of cable direct-current resistance testing, and provides a polymorphic direct-current resistance testing device which comprises a main frame, a to-be-tested cable is arranged above the main frame, a spring clamp is arranged on the side face of the to-be-tested cable, and an electric lifting table is fixedly connected to the side face of the spring clamp. The side surface of the electric lifting platform is slidably connected with a vertical guide rail, and one end of the to-be-tested cable is provided with a test frame. Through arrangement of a cooperative structure of the spiral frame, the adjusting column, the quantitative sliding rail and the electric sliding table, the contact point of the spiral frame and the to-be-tested cable rotates along with sliding of the adjusting column, continuous adjustment of the bending radius is achieved, the problem that in the prior art, the bending form is single due to the fact that the radius of a bending wheel is fixed is solved, and the bending accuracy is improved. Various bending radius requirements in actual working conditions can be simulated, and the authenticity and comprehensiveness of bending testing are improved.

The invention relates to the field of charging cable detection, and discloses a DP-DN wire for checking the internal resistance of a wire rod, which comprises an intelligent control module arranged in a charging adapter and an intelligent management module arranged in electronic equipment. The two modules communicate and negotiate through a data wire core to determine a basic internal resistance test mode or an advanced diagnosis mode. In the basic mode, DC resistance measurement is cooperatively performed. In the advanced diagnosis mode, the intelligent control module injects an alternating current detection signal and collects an adapter end phasor; the intelligent management module collects the phasor of the electronic equipment end and transmits the phasor back through the load modulation unit. A central control unit of the intelligent control module calculates complex impedance according to phasors at the two ends, compares a real-time impedance spectrum with a fault feature library through a diagnosis and matching engine, and determines a state identifier. And the self-adaptive charging strategy controller adjusts charging parameters accordingly. According to the invention, the cable state can be accurately diagnosed, and self-adaptive safe charging is realized.

The application discloses a kind of considering electric-thermal coupling feedback's DC cable parallel operation evaluation method and system, it is related to high voltage direct current transmission technical field, to solve the problems such as the distortion of current distribution calculation, the large deviation of temperature prediction, the low utilization rate of carrying capacity of existing technology in DC cable parallel, it includes obtaining the multi-source heterogeneous data of each parallel DC cable;Build DC resistance-temperature dynamic model, cable temperature distribution model based on equivalent thermal circuit method and the circuit constraint equation group of parallel DC cable system into electric-thermal coupling nonlinear equation group;Using improved Newton-Raphson method algorithm iteration solves electric-thermal coupling nonlinear equation group to obtain the conductor temperature of each DC cable, and according to its parallel operation state is evaluated to obtain evaluation result.The application can realize the accurate coupling calculation of parallel DC cable current distribution and temperature distribution, provide scientific basis for the design, operation and maintenance and expansion reconstruction of extra-high voltage direct current transmission project.

The application provides a cable temperature evaluation method in a closed environment considering axial heat transfer attenuation, comprising the following steps: obtaining the structure, material and operation condition parameters of a cable joint; performing single-phase equivalent treatment on the cable, equivalent the cable heat transfer path to a circuit structure, and equivalent the heat loss of the cable to a voltage source; taking the midpoint of the cable joint as the center, segmenting the cable on the two sides of the cable joint within a distance range, and determining the radial conduction thermal resistance and the axial conduction thermal resistance of each segment; determining the DC resistance of the core of each cable segment, and determining the core heat loss based on the DC resistance of the core and the operation current of the wire; determining the heat loss of the crimping pipe segment of the cable joint and the heat loss of other segments outside the crimping pipe segment based on the core heat loss; inputting the heat loss of the crimping pipe segment of the cable joint, the heat loss of other segments outside the crimping pipe segment, the axial conduction thermal resistance and the radial conduction thermal resistance into a MATLAB / Simulink platform to obtain the temperature of the target position of the cable.

The invention relates to the technical field of electrical measurement, and discloses an end face clamp for measuring the direct current resistance of a conductor, which comprises a clamp shell, a rotary connection cylinder arranged on the outer circumference of the clamp shell, an internal rotary connection adjusting bolt, a sleeve seat sleeved on one end of the adjusting bolt in the clamp shell, a ball bearing and a chuck arranged outside the sleeve seat, and an assembly cylinder connected with two sides of the outer part of the sleeve seat, and a bolt is inserted inside. The current-conducting plate is inserted in the clamp shell, mounting holes are circumferentially formed in the current-conducting plate, copper nails are inserted in the mounting holes, an oil way is arranged on the side face of the current-conducting plate in the clamp shell and filled with hydraulic oil, and a manual ball valve is arranged at an oil port. A lifting handle is hinged to the top of the clamp shell, and the operating end of the lifting handle is movably connected with the piston and inserted into the oil way. The copper nail is sleeved with a first spring, a pressure gauge is installed outside the clamp shell, and a power-on connector is installed on the surface of the current-conducting plate. According to the clamp, the chuck is convenient to replace, clamping force control accuracy is improved, flexible adjustment can be achieved, current input is even and stable, and use quality is improved.

The utility model discloses a radio frequency identification (RFID) electronic tag embedded body and an environment-friendly RFID room card. The RFID electronic tag embedded body comprises a chip, a main coil antenna, a paper base material and a gap bridge antenna; the main coil antenna is arranged on one side of the paper base material, and the gap bridge antenna is arranged on the other side of the paper base material; the two faces of the paper base material are coated with waterproof wear-resistant coatings. The main coil antenna and the gap bridge antenna are formed through a metal etching process; and the main coil antenna and the gap bridge antenna form loop conduction in a physical riveting manner, and are electrically connected with the chip. According to the utility model, the paper base material coated with the waterproof wear-resistant coatings on the two surfaces is adopted, so that the paper weakness is overcome and the etching process is adapted. The main coil and the gap bridge coil are arranged on the two sides of the base material respectively and are formed through low-direct-current-resistance etching metal, and the electrical performance is improved. Physical riveting connection is reliable and stable, and the problem that paper base materials are prone to breakage during connection is solved. The embedded body is environment-friendly, good in process adaptability and excellent in electrical performance, and can be reliably embedded in a hard shell.

This invention discloses a DC resistance measuring device for a large cross-section cable conductor, comprising: a first connecting clamp and a second connecting clamp respectively connected to both ends of the cable conductor, and respectively connected to both ends of a DC power supply via connecting cables; a first voltage measuring terminal and a second voltage measuring terminal respectively disposed at two predetermined positions on the cable conductor, with a sampling distance between the two predetermined positions not less than a preset threshold; a current sensor connected to the connecting cable for reducing the loop current of the measurement circuit by a preset ratio and outputting a reduced current; a high-precision current acquisition card connected to the current sensor for measuring the reduced current output by the current sensor; and a multi-channel high-precision voltage acquisition card for acquiring voltage data between the first voltage measuring terminal and the second voltage measuring terminal, wherein the reduced current, voltage data, and sampling distance are used to calculate the DC resistance value of the cable conductor.

The embodiment of the utility model provides a secondary battery, a battery pack and an electronic device, the secondary battery comprises an electrode assembly, the electrode assembly comprises a negative pole piece, a positive pole piece and a diaphragm arranged between the negative pole piece and the positive pole piece, and the maximum perimeter of the electrode assembly is C, the first length of the third negative electrode uncoated region is greater than 0.5 C and less than 4C, or the second length of the third positive electrode uncoated region is greater than C and less than 4C. According to the technical scheme, at least overlarge direct-current resistance can be avoided, and the negative electrode lug on the outermost ring can be prevented from tilting.

The invention provides an abnormal resistance positioning method, electronic equipment and a storage medium. The method comprises the following steps: acquiring at least two groups of current and voltage data; calculating first resistance data according to the at least two groups of current and voltage data, wherein the first resistance data comprises the total internal resistance of the direct current side and the direct current resistance of each battery cell; acquiring second resistance data, wherein the second resistance data comprises the ohmic internal resistance of each battery cell; calculating connection impedance according to the first resistance data and the second resistance data; an abnormal resistance is determined based on the first resistance data, the second resistance data, and the connection impedance. Therefore, the total internal resistance of the direct current side and the direct current internal resistance of each battery cell are calculated through at least two groups of current and voltage data, and the connection impedance is calculated by combining the directly obtained ohmic resistance of each battery cell, so that the accurate distinguishing of various resistance data is realized, and the type and the position of the abnormal resistance can be effectively positioned; and rapid troubleshooting of maintenance personnel is facilitated, and the maintenance cost is reduced.

The application provides a composite current collector and a preparation method thereof, a pole piece and a battery, and belongs to the technical field of composite current collector manufacturing. The preparation method of the composite current collector comprises the following steps: a cathode target material is used to form a first metal layer on the surface of a polymer layer and a second metal layer located on both sides of the first metal layer in a width direction of the first metal layer by a magnetron sputtering mode; wherein the cathode target material has a first section located in the middle and a second section located at both ends, the ionization rate of the first section is less than the ionization rate of the second section, so that the thickness of the first metal layer is less than the thickness of the second metal layer. The preparation method has the advantages of simple process, high production efficiency, low cost and easy implementation. In addition, the composite current collector prepared by the method also has the advantages of high bonding strength at the welding position, small direct current resistance and low perforation rate after welding.

An inductor and a method for manufacturing the same are presented. The inductor includes a coil formed of a conductor and having a serpentine shape. The coil can have an "S" shape. The coil has two leads extending from opposite ends of the coil. An inductor body surrounds the coil and portions of the leads. The leads can be wrapped around the body to create contact points on an exterior of the inductor.

The invention relates to a mechanical electric actuating mechanism function verification system and method. The system is characterized in that a man-machine interaction module receives input function test information and sends the information to a host control module; the host control module controls the alternating current control module and the direct current control module to output an alternating current voltage signal and a direct current voltage signal to the electric actuating mechanism through the interface module according to the function test information; the host control module controls the function measurement module to respectively acquire operation current measurement data, operation duration measurement data, direct current resistance measurement data and insulation resistance measurement data of the electric actuating mechanism based on an on-off feedback signal of the limit switch fed back by the interface module; whether the operation current measurement data, the operation duration measurement data, the direct current resistance measurement data and the insulation resistance measurement data meet the function verification requirements in the function test information or not is verified, and a function verification result of the electric actuating mechanism is obtained. The method is beneficial to improving the accuracy of function verification of the electric actuating mechanism.