2640 results about "Instrumentation" patented technology

The invention discloses an indoor water tank sediment starting speed measurement system and method, and aims to solve the technical problem that data accuracy is affected due to the fact that a sensor disturbs a flow field in an existing measurement method. The core of the technical scheme is that the non-contact measurement characteristic of the PIV technology is applied to the whole process from flow field construction to data acquisition. The device is mainly composed of an imaging unit, a laser lighting unit, a movable sliding frame, a water flow adjusting unit and a buffer plate. Optical measurement is carried out through the imaging unit and the laser illumination unit, a physical sensor does not need to be arranged in a flow field, and interference of a measuring instrument on a water flow structure and a sediment starting process is fundamentally avoided. The movable sliding frame which is integrally designed integrates the functions of sediment laying, particle throwing and measuring, so that a test area can be quickly positioned; and the buffer plate and the water inlet and drainage adjusting unit are combined, so that a gradually-changed flow field from weak to strong can be accurately and stably simulated.

The invention discloses a reactor instrument control system equipment fault early warning method and related equipment, and relates to the technical field of reactor operation and maintenance, and the technical scheme is characterized in that the method comprises the following steps: obtaining operation parameters of target equipment of a reactor instrument control system in real time, and synchronously collecting historical operation data and historical fault data of the target equipment at the same time; constructing a machine learning analysis model, and training the machine learning analysis model by taking the historical operation data and the historical fault data as training samples; running parameters collected in real time are input into the trained machine learning analysis model, abnormal features representing the change trend and the deviation degree of the real-time parameters are output, a preset equipment abnormal feature library is matched based on the abnormal features, whether the target equipment has faults or not is judged, and a health degree index representing the health state of the target equipment is calculated; and if the fault judgment result is that the potential fault exists or the health degree index is lower than the preset health threshold value, generating a corresponding fault early warning signal and a health degree evaluation result.

The invention discloses an electronic nose drift compensation method and system driven by a diffusion adversarial migration mechanism, and the method comprises the steps: constructing a source domain data set and a target domain data set, and obtaining an input signal matrix after preprocessing; constructing a diffusion feature extractor module containing a time embedding unit, a noise injection unit and a residual diffusion unit; forming a cross-domain confrontation migration module with confrontation capability and statistical alignment capability; a two-layer full-connection network is used as a core, a Softmax output layer is accessed, and a task classifier module is constructed; building a drift compensation model, and jointly optimizing parameters of each module through a multi-task loss function to obtain a high-precision electronic nose drift adaptive compensation model; online drift compensation is carried out; according to the system, a data acquisition module, a data preprocessing module, a diffusion feature extraction module and a task classifier module are connected in sequence, and an adversarial migration module is connected with the diffusion feature extraction module. According to the invention, the stability and identification precision of the electronic nose in long-term drift, short-term drift and instrument change scenes can be significantly improved.

The invention relates to the technical field of angle-resolved photoelectron spectroscopy experimental instruments, and discloses an angle-resolved multi-electron coincidence measurement system and method based on an event-type delay line detector, and the system comprises an angle-resolved energy analyzer; a detection surface of the event type delay line detector is divided into at least two independent areas, and the event type delay line detector is used for receiving photoelectrons in parallel and independently outputting event signals; the external trigger and synchronization module is used for generating a unified trigger period to establish a global time reference; the time digital reading module is used for receiving the event signal and generating a timestamp; and the data acquisition and processing module is used for carrying out association judgment and selection based on the timestamps in the same triggering period. The dead time is reduced through multi-region parallel reading, unified time base calibration is achieved through time base line calibration and delay compensation, multi-electron coincidence measurement can be achieved under the condition that the angular resolution capability is kept, and the method is suitable for pulse or continuous light sources.

The invention discloses a deep ore rock stability rapid assessment method and system based on RMR classification, and relates to the technical field of ore rock assessment and mining. Intelligent calibration scanning is carried out through a high-precision scanning device to obtain fracture data of the deep ore rock, the complete deep ore rock stability rapid evaluation method and system are constructed, and efficient acquisition of ore rock quality parameters and RMR preliminary scoring are achieved through digital acquisition equipment and a high-precision scanning technology. A target collaborative calibration mechanism and a data quality index dynamic evaluation system are innovatively introduced, the monitoring influence of instrument system errors on key parameters such as fracture occurrence and rock mass strength is remarkably reduced, and the accuracy and reliability of RMR scoring are improved. The system has strong environmental adaptability, can autonomously identify and suppress noise interference based on a stereographic projection and intelligent filtering parameter adjustment mechanism, and ensures that high-quality point cloud data can still be stably output under complex geological conditions.

The invention discloses a POL power supply automatic test method based on modular design, and belongs to the technical field of power supply test. The method comprises the following steps: firstly, under the control of an upper computer, automatically reading POL power supply basic parameters including key characteristic parameters such as input / output voltage, rated current and frequency from a preset Excel table, and establishing a judgment reference for testing; then, instrument initialization is completed, communication connection with test equipment such as an oscilloscope, an electronic load and a direct-current power supply is established, and configuration of initialization function parameters is completed; then, executing a measurement task of each core parameter of the POL power supply to be tested, and in the test process, executing a parallel measurement management mechanism, namely configuring each instrument parameter and channel state in real time according to a specific test item, and triggering a retry or interrupt logic under the conditions of communication abnormality, data timeout and the like until the test recovers a running state; and finally, after the test is completed, performing Excel storage and interaction on the standardized test data and the waveform screenshot, and finally safely exiting. According to the POL power supply automatic test method based on the modular design, the whole test process is divided into a plurality of serial or parallel function processing units such as parameter reading, instrument initialization, test execution and test management, data storage and interaction and the like, and high efficiency and usability of a test system are achieved.

The invention belongs to the technical field of electronic measuring instruments, and particularly relates to an output protection method of a source meter, which comprises the following steps of: configuring an operation mode of a digital controller; executing closed-loop control of the main regulator; the arbiter continuously monitors the output state, and intelligently arbitrates and switches the main regulator, the clamping regulator and the output channel according to the measurement feedback value, the clamping threshold value and the over-limit threshold value, thereby achieving the precise clamping and over-limit protection of the output. By adopting the technical scheme, the flexibility, refined protection and adaptability of source table output control can be remarkably improved, the hardware cost is reduced, and the system reliability is improved.

The invention provides a device and method for measuring the flow velocity and flow of gas in a pipeline, and particularly relates to the technical field of measuring instruments, and the device comprises a flow field optimization assembly, a flow velocity sensing assembly and a signal processing assembly. The flow field optimization assembly comprises a plurality of air duct partition plates and straight pipe sections, and the gas conveying pipeline is divided into a plurality of independent divided air ducts; the flow velocity sensing assembly comprises a rectification assembly and a pressure sensing assembly, the rectification assembly comprises a pore plate and / or a grid, and the pressure sensing assembly comprises a plurality of uniformly distributed pressure sensing elements; the signal processing assembly comprises a differential pressure sensing transmitter, a static pressure sensing transmitter, a temperature sensing transmitter, an atmospheric pressure sensing transmitter and a data processing module. The pressure sensing element detects differential pressure signals, the differential pressure sensing transmitter converts the signals, the data processing module calculates the average flow velocity and flow of gas based on the signals and measurement data, and the measurement precision and accuracy are improved.

The invention relates to the technical field of laser measuring instruments, and discloses a device for measuring roadway roof separation by laser, which comprises a roadway roof, a laser probe, a first threaded pipe, a second threaded pipe and a mounting mechanism, and is characterized in that the laser probe is mounted on the first threaded pipe and is connected with a cable; the mounting mechanism is used for mounting the second threaded pipe on the first threaded pipe; the mounting mechanism comprises a base arranged on the roadway top plate, a rotating mechanism and a lifting mechanism are arranged on the base, and the lifting mechanism is used for feeding the laser probe, the first threaded pipe and the second threaded pipe into drill holes formed in the roadway top plate. The device for laser measurement of roadway roof separation overcomes the defects that in the prior art, equipment is large in occupied area and depends on the stability of a bottom plate, and the measurement precision is prone to being interfered, and the roof separation measurement device is more efficient, more accurate and more suitable for the underground complex environment.

The invention relates to the technical field of semiconductor material photoelectric detection, and discloses a whole-course calibration method of a microwave photoconductive attenuation tester, which comprises the following steps: steady-state optical calibration: establishing reference mapping from light intensity to absolute carrier concentration; performing sweep frequency perturbation measurement at each concentration working point to obtain multiple groups of complex response data; separating an instrument transfer function from sample differential response sensitivity by adopting a system identification algorithm; an integral differential sensitivity reconstruction curve is converted into an absolute calibration model by using an anchor point; starting closed-loop feedback control to lock a specific phase, and verifying the model; and outputting an absolute calibration model and an instrument transfer function as a static reference and a dynamic operator. According to the invention, the absolute concentration anchor point is established through steady-state optical calibration, integral reconstruction is carried out on the differential response sensitivity decoupled by dynamic frequency sweep measurement, and finally, the anchor point is utilized to determine the integral constant, so that the accuracy and reliability of carrier concentration quantitative analysis are improved.

Providing a fluid to an instrument comprises supporting a sample receptacle on a first carrier, transporting the first carrier on a conveyor adjacent a plurality of modules including at least one instrument, stopping the first carrier at the instrument, transporting the sample receptacle to a pick-up position of the instrument, transporting the sample receptacle from the pick-up position to a pipetting station within the instrument, aspirating fluid within the sample receptacle and transferring the aspirated fluid to a reaction receptacle, after aspirating fluid from the sample receptacle, transporting the sample receptacle to the pick-up position, transporting the sample receptacle from the pick-up position to a second carrier the conveyor, in the instrument, performing an assay to determine the presence or absence of an analyte in the aspirated fluid, and transporting the second carrier on the conveyor to one or more of the plurality of modules other than the analytical instrument.

The invention provides an AI flow chart driven test step dynamic adaptation method, device and equipment, and relates to the technical field of software testing. The AI flow chart is subjected to semantic analysis to obtain a plurality of executable operation tuples, a dynamic equipment capability library is updated in real time through technical parameters and real-time states of all the matching and testing instruments, then dynamic matching and mapping are carried out, a first mapping relation between the executable operation tuples and the matching and testing instruments is established, and the dynamic equipment capability library is updated in real time through the technical parameters and the real-time states of all the matching and testing instruments. According to the second mapping relation between the signal features and the port of the matching and testing instrument, the AI flow chart is executed based on the executable mapping scheme, automatic matching and mapping of all the testing steps in the AI flow chart are achieved, manual participation is not needed, the problem that the testing efficiency of AI flow chart driving is low is solved, and the equipment testing efficiency of AI flow chart driving is improved.

The invention discloses a transformer substation secondary equipment fault detection platform and an analysis method. The platform comprises a mobile bearing unit, an instrument integration unit, an integrated power supply and safety protection unit, an image acquisition unit and a data fusion analysis unit. The platform carries a relay protection tester, a mutual inductor comprehensive characteristic tester and an insulation resistance meter in an integrated manner, and is equipped with an image acquisition system, so that convenient movement and multi-source data acquisition of detection equipment are realized. And the data fusion analysis unit adopts a multi-modal fusion deep learning model to carry out collaborative analysis on the electrical detection data and the visual data, and outputs a diagnosis conclusion containing accurate fault positioning and basic causes through feature extraction and fusion. According to the method, the problems of low efficiency and inaccurate diagnosis caused by inconvenient equipment carrying and data isolated analysis in traditional debugging are effectively solved, and the intelligent level, the safety and the reliability of operation and maintenance of the secondary equipment of the transformer substation are remarkably improved.

The invention discloses a composite limit test control method and device for a source table. The method comprises the following steps: firstly, responding to a digital trigger signal to initialize a source table test system, and setting test working parameters and limit test group parameters; then, the currently obtained measurement data is sequentially compared with each limiting test group parameter to obtain a comparison result; executing a limiting test comparison process according to the enabling starting state identified by the obtained comparison result; and finally, outputting a test result signal corresponding to each limiting test group parameter. Due to the fact that the source meter is changed from a single measuring instrument to an intelligent testing and control node on a production line, real-time data analysis and decision making are achieved through composite limitation, seamless linkage with the production line is achieved through output testing result signals, and finally full-automatic, high-efficiency and high-reliability production testing and sorting are achieved.

The invention discloses an automatic measuring range switching method and system for an electric measuring instrument, and relates to the technical field of electronic measurement, and the method comprises the steps that a measuring range control module analyzes a measuring range instruction and calculates a relay control time sequence of a target measuring range gear; and the execution driving module drives the multi-path relay group to be switched to the target range gear according to the relay control time sequence. According to the invention, the execution driving module is configured with a multi-path relay group composed of a high-precision relay channel, a power relay channel and a high-voltage relay channel, and a heterogeneous hardware design concept of a special relay is adopted for different measurement requirements. Therefore, one instrument can give consideration to the precision requirement of micro-parameter measurement and the safety requirements of power and high-voltage measurement at the same time, the limitation of measuring range design of a traditional instrument is fundamentally broken through, and the application scene and the comprehensive testing capability of the electric measuring instrument are greatly widened. And a solid hardware foundation is provided for developing a multifunctional and wide-range general electric measurement platform.

The invention provides a dam settlement monitoring pipeline three-dimensional shape reconstruction method and device, electronic equipment and a computer readable storage medium. According to the three-dimensional shape reconstruction method for the dam settlement monitoring pipeline, system errors caused by instrument deflection can be eliminated, and synchronous reconstruction of the full-depth high-precision three-dimensional shape and the section contour of the dam settlement monitoring pipeline is achieved.

Systems and methods of controlling instruments include first and second actuators configured to actuate a degree of freedom (DOF) in first and second directions using respective transmission mechanisms and a control unit. The control unit is configured to determine positions of the first and second actuators; determine an actuation command based on the positions of the first and second actuators, and a desired state of the DOF; determine respective actuation levels of the first and second actuators so as to maintain tensions in the transmission mechanisms above respective minimum tensions by: using a model based on the force or torque command, the minimum tensions, and the first and second actuator positions; and command actuation of the first and second actuators at the respective actuation levels. The model compensates for an external disturbance on the DOF and for dynamics of the first and second actuators.

The invention relates to an open boundary circulating flow and reconfigurable terrain collaborative maritime work scouring intelligent test system and test method, a maritime work structure test model is installed at the center position of a main body structure inner cavity test section, and a set area with the maritime work structure test model as the center is used as a main test section; the open-boundary circulating flow generation system realizes back supplement and closed-loop operation of circulating water channels of the left bank and the right bank; a multi-beam three-dimensional terrain scanner is installed on the side portion of the large-span electric measuring bridge system, and sand bed terrain and scour pit three-dimensional shape data are obtained; a three-dimensional acoustic Doppler current meter and a capacitive wave height meter are installed on the track type instrument bridge measuring system, and multi-dimensional dynamic monitoring is conducted on the sand bed terrain and the scouring pit; the multidirectional irregular wave generation system is used for simulating regular waves and irregular waves in an offshore environment. According to the invention, the aspects of structure scale, terrain coupling and measurement and control feedback intelligence are comprehensively upgraded, and a more real and reliable test basis with strong engineering adaptability is provided for research on scouring stability of major ocean engineering.

The invention relates to the technical field of precision measuring instruments, and particularly discloses an automatic leveling system of a multi-axis laser gradienter for decoration construction, which adopts an intelligent leveling mechanism based on magnetorheological fluid to overcome the defects of the traditional leveling method in speed, precision and environmental adaptability. Rapid switching from coarse adjustment to fine adjustment is realized through an unconstrained attitude upper platform generation module, a real-time approaching horizontal signal acquisition module, a non-uniform guide magnetic field generation module, a rigid support structure formation module and the like. The method comprises the following steps of: performing large-range passive self-leveling through gravitational potential energy by utilizing the phase change of magnetorheological fluid between a liquid state and a semi-solid state, and realizing high-precision active leveling through the guidance of a non-uniform magnetic field to finally form a rigid integrated support structure to isolate vibration and project high-stability reference laser rays; the leveling efficiency and the anti-interference capability are remarkably improved, the manufacturing cost is reduced, and the high-precision positioning and leveling requirements under the complex construction environment are met.

To specify a housing system comprising at least two openable, enclosed housings (1, 1') for receiving electronic components (7), wherein the housings (1, 1') each have a first connection side (A) with a coupling (12) arranged thereon, the coupling (12) having at least one sealed connector (2), and a second connection side (B) with at least one further connector (3) arranged thereon, wherein a watertight electrical connection can be established between each pair of housings (1, 1') by means of a mechanical connection of the coupling (12) of one housing (1) with the second connection side (B) of the other housing (1') and an interlocking of the connectors (2) of one housing (1) and the further connectors (3) of the other housing (1'), by means of which all necessary electronic components of external devices used on such vehicles, in particular measuring instruments and probes, can be modularly connected,Since the devices are simple, waterproof and robust in their construction and integration, allowing for easy exchange of external devices as well as electronic components or the simple addition of another device, it is proposed that the electrical connection enables the transmission of a power signal (4) and a data signal (5).

The invention discloses a geological survey surveying and mapping device, and belongs to the technical field of geological survey, the geological survey surveying and mapping device comprises a tripod, the top of the tripod is provided with a foot screw assembly and a surveying and mapping instrument body through a fixing assembly, and the inner center of the tripod is provided with an adjusting sleeve capable of being telescopically adjusted. According to the surveying and mapping instrument, along with downward movement of a circular seat, an annular seat enables a fixing rod to drive an annular plate, a connecting block, an annular cylinder and a first conical block to move upwards, so that a roller drives a conical rod to move towards to-be-detected geological internal soil, and the stability of the surveying and mapping instrument body in the surveying and mapping process is improved through assistance of a limiting rod and the conical rod; the bottom of the surveying instrument body is further unfolded through the tripod, meanwhile, the posture of the surveying instrument is precisely restrained through cooperation with the limiting rod, the perpendicularity of the surveying instrument relative to a geological mark point is effectively guaranteed, it is guaranteed that the surveying instrument body keeps high horizontal precision in the using process, and then the accuracy and credibility of the surveying instrument in the using process are guaranteed.

The invention discloses a star soil water-ice in-situ quantitative analysis system and method, and belongs to the technical field of planetary science and space exploration, the star soil water-ice in-situ quantitative analysis system comprises a detection platform, and a star soil collection unit and a star soil water vapor heating extraction unit are arranged outside a cabin of the detection platform; a first detection unit, a second detection unit, a control unit and a gas distribution unit are arranged in a cabin of the detection platform; the gas distribution unit is used for distributing the water vapor extracted by the star soil water vapor heating and extracting unit to the first detection unit and the second detection unit for analyzing the content and isotope composition of the water vapor of the star soil; the first detection unit and the second detection unit adopt different detection analysis technologies; and the control unit is used for controlling the detection analysis process of the analysis system. According to the system, an in-situ sampling analysis mode of'quantitative sampling of water-containing star soil, low-loss sample transfer, efficient heating extraction and high-precision instrument analysis' is adopted, so that accurate quantitative analysis of star soil water ice is realized.

The invention relates to a long-time multi-point underground temperature measuring system and a long-time multi-point underground temperature measuring method. The system comprises an underground measurement unit, a lifting unit, a data acquisition and processing unit and an Internet of Things unit, the underground measuring unit is composed of a plurality of underground instruments, each underground instrument is hung on a single-core cable through an instrument bus, and the single-core cable simultaneously realizes power supply and uplink transmission of coded temperature data. The lifting unit completes lowering and lifting of the single-core cable and the underground measuring unit through a variable-frequency winch control system; the data acquisition and processing unit decodes the uploaded data to obtain the temperature of each measuring point, associatively stores the temperature with the acquisition time and the well depth, and displays the well temperature change on a local interface in real time; the Internet of Things unit sends the temperature, time and well depth data to a remote server or a cloud platform through a mobile communication network to realize remote query and centralized management of underground temperature data; according to the invention, long-time monitoring of multi-depth underground temperature is realized on a single cable, the anti-interference capability is strong, and the system is suitable for oil and gas wells, geothermal wells and other scenes.

Disclosed are various embodiments of an auger-style treatment tank equipped with instrumentation. In one embodiment, an auger treatment tank includes an auger configured to rotate within treatment liquid in the auger treatment tank. The auger includes an auger shaft and at least one auger flight coupled to and helically disposed about the auger shaft. The auger treatment tank also includes one or more sensors configured to provide data directly or indirectly indicating a torque transmitted to the auger to effect rotation.

The invention relates to a multi-path power supply parallel automatic test system and a test method. The multi-path power supply parallel automatic test system comprises a main control module, an instruction scheduling module, a test instrument group and a plurality of test fixtures, each test fixture is used as an independent test channel with self-defined configuration; a request signal input end of the main control module is connected with a request signal output end of the independent test channel, a test signal input end of the main control module is connected with a test signal output end of the test instrument group, and a control signal output end of the main control module is connected with a control signal input end of the instruction scheduling module; the signal output end of the instruction scheduling module is connected with the signal input end of the test instrument group, and the test instrument group is used for executing corresponding test operation on the to-be-tested power supply according to the control signal; the testing efficiency is remarkably improved, manual operation is reduced, and the basic capability of automatic parallel testing of multiple power supplies is achieved.

The invention relates to the technical field of electronic measurement, and discloses a software instrument system-based short-wave broadcast equipment power automatic calibration system, which comprises a main control unit, a signal excitation unit and a measurement feedback unit. According to the method, an iterative adjustment process is controlled through a main control unit; a measurement feedback unit measures the actual output power of a measured device; and the main control unit directly takes the power difference value as the adjustment amount of the excitation level according to the power difference value between the actual output power and the preset target power, adds the adjustment amount with the current excitation level to obtain the next excitation level, and controls the output of the signal excitation unit until the preset precision is met. According to the method, test link loss calibration is executed before iterative adjustment so as to compensate system errors, a calibration lookup table can be automatically generated after calibration is completed, the problems that a traditional calibration method is low in efficiency and insufficient in precision are solved through an adaptive adjustment strategy and system error compensation, and the calibration accuracy is improved. The method has the beneficial effects of high convergence speed, accurate calibration result and high automation degree.

The invention discloses a large-size spacecraft dynamic six-degree-of-freedom pose high-precision measurement method, solves the problems of shielding failure, low measurement precision and the like in large-size spacecraft dynamic tail end target support measurement, belongs to the technical field of spacecraft dynamic measurement, and is mainly suitable for large-size spacecraft tail end antenna dynamic working conditions. For example, the three laser trackers are adopted for cooperative work, a synchronous trigger sends a unified trigger signal to all the laser trackers, and it is ensured that the three trackers collect three-dimensional coordinate data of a target point at the strict same moment. And finally realizing six-degree-of-freedom pose high-precision measurement of the large-size spacecraft motion tail end target bracket by combining a tracker space station planning strategy of a non-coplanar optimization algorithm of a minimum position precision attenuation factor and utilizing a dynamic six-degree-of-freedom pose resolving algorithm fused with measurement data based on a space target coordinate obtained by synchronous triggering.

According to the metering detection calibration method and system, the dynamic waiting time is determined on the basis of the characteristic relaxation time of the instrument to be calibrated, and data is recorded after output is stable, so that the problems that the traditional fixed waiting time cannot adapt to the relaxation characteristic of the instrument, and data instability or low efficiency is easily caused are solved; the instrument is ensured to be fully stable so as to improve data reliability, and waiting time redundancy is avoided; and meanwhile, the equivalent effective times are calculated by combining the actual retention time after the output value is stabilized and the characteristic relaxation time of the instrument to be calibrated, and a final calibration result is obtained by adopting a statistical method for dynamically quantifying the data contribution degree, so that the problems that the existing equal weighting or manual weighting mode is strong in subjectivity and is difficult to reflect the real reliability of the data are solved. And the accuracy and objectivity of the calibration result are improved.

The invention provides a mine complex environment methane monitoring instrument reliability evaluation method and system, belongs to the field of instrument detection, and solves the problems that an existing experiment mode breaks away from the complex environment of a real mine, evaluation standards are statically solidified, and the existing experiment mode is difficult to dynamically adapt to mine environment parameter space-time fluctuation characteristics. And accurate reliability evaluation cannot be provided for the mine complex environment methane monitoring instrument. The method comprises the following steps: carrying out alternating current thermal modulation on the catalytic methane sensing element, and constructing harmonic response mapping of a thermal driving signal and an output signal of the sensing element; performing phase-locked demodulation on the harmonic response under the condition of clean reference gas to obtain at least a second harmonic amplitude and a third harmonic amplitude to calculate a poisoning index; and continuously collecting a change curve of the poisoning index along with time under a set hydrogen sulfide exposure and cleaning recovery cycle working condition, and generating a poisoning index drift rate and an advance index so as to determine a gas interference item reliability evaluation conclusion of the monitoring instrument.

The invention relates to the technical field of rock fracture mechanics and rock digital image processing, in particular to a super-high-temperature reservoir supercritical carbon dioxide fracturing visual testing technology and device which comprises an instrument fixing base, and an instrument fixing bearing table is fixedly connected to the top of the instrument fixing base. The top of the instrument fixing bearing table is fixedly connected with a hydraulic servo loading machine fixing plate, the top of the hydraulic servo loading machine fixing plate is fixedly connected with a hydraulic servo loading machine, the bottom of the hydraulic servo loading machine is slidably connected with a loading platform through a loading sliding rod, and the top of the loading platform is fixedly connected with a loading bin. According to the invention, through a loading structure formed by the hydraulic servo loading machine, the telescopic loading sleeve rod and the telescopic loading pressure head, and in combination with control of the loading control-data processing system on a loading path and a loading process, a rock test piece can undergo continuous and controllable damage and fracture evolution processes under different loading modes and different working conditions.