1113results about How to "Easy to check" patented technology

The invention relates to a lattice-based specified server searchable encryption optimization method, device and equipment and a medium, and the method comprises the following steps: a receiver mechanism calculates and determines # imgabs0 # imgabs1 # according to a system public parameter pp, a public key pkr = Ar of the receiver mechanism, a private key skr = Tr of the receiver mechanism and a keyword w 'belongs to {0, 1} * to be searched, and a SamplePre (Ar, Tr, uw', sigma) algorithm is called to generate a trap door ew '; and the cloud server matches keyword information in the ciphertext and the trap door according to the ciphertext Cw = (c1, c2, c3), the trap door ew'and a private key skc = ec of the cloud server, and sends a matching result to a user client corresponding to a receiver mechanism to complete lattice-based specified server searchable encryption optimization. The system is convenient to manage and maintain, the specified server can centrally manage encrypted data and search trap doors, and maintenance and management of the system are facilitated.

According to the valve type opening and closing hysteroscope, before examination or operation, when an opening and closing valve is in a closed state and reaches an examination position or an operation position, the opening and closing valve is opened through an opening and closing handle, the opening and closing valve can open the examination position or the operation position, and examination or operation is conducted through a micropore camera on an imaging seat; when tissue fluid or blood blocks an examination position or an operation position, the flushing fluid assembly pumps flushing fluid into the examination position or the operation position, after flushing, the vacuum extraction assembly is started to suck away mixed fluid of the tissue fluid or the blood and the flushing fluid through the negative pressure suction hole, and after examination or operation is completed, the opening and closing valve is closed through the opening and closing handle, and the flushing fluid or the flushing fluid is pumped into the examination position or the operation position. In this way, the problem that tissue fluid or blood flowing out of the human body blocks the view field of the hysteroscope can be effectively solved, and when the opening and closing valve is closed, the imaging assembly is in a streamline shape and can conveniently stretch into the hysteroscope for examination or operation.

The invention relates to a coupler system based on MECHATROLINK-III and a communication method, the system comprises a MECHATROLINK-III master station, a MECHATROLINK-III special cable, a MECHATROLINK-III coupler and a plurality of plug-in IO modules, the MECHATROLINK-III coupler is used for managing all the plug-in IO modules in a slot so as to carry out ordered IO input and output, and the plug-in IO modules are used for carrying out plug-in IO input and output. The communication module is used for carrying out communication interaction between IO data of the whole coupler system and a MECHATROLINK-III master station; and the MECHATROLINK-III coupler is integrated with a plurality of control units or execution units. The MECHATROLINK-III coupler has the advantages that the communication stability and the communication efficiency are guaranteed while the cost of the MECHATROLINK-III coupler system is reduced.

The invention discloses a conveying roller double-end-face welding device, and belongs to the technical field of welding equipment.The conveying roller double-end-face welding device comprises a mounting frame, and a rotating motor and a driving motor are fixedly mounted in the mounting frame; the welding mechanism comprises a welding gun, an adjusting mechanism and a guide rail connected to the front side of the adjusting mechanism; the pressing mechanism comprises a pressing plate, a first air cylinder, a linkage monitoring mechanism and two pressing wheels; and the welding seam monitoring mechanism comprises a monitoring plate, a monitoring wheel, a vertical plate, a vertical plate, a fixing plate and a pressure sensor. By means of the linkage monitoring mechanism, welding work can be stopped in time when it is monitored that loosening occurs during pressing and cleaning in the welding process, and the thickness and flatness of a welding seam can be monitored through the welding seam monitoring mechanism; and through the arranged inertia monitoring mechanism, welding work can be stopped in time to achieve positioning when welding seams are subjected to welding missing and welding lacking, troubleshooting and welding parameter adjustment are facilitated, and the welding quality is guaranteed.

The utility model discloses a cup body bearing device for a cup printing machine, which comprises an air distribution disc, a graduator, a plate cylinder supporting disc, a plate cylinder and a positive and negative pressure switching device, the air distribution disc is fixedly arranged on an output shaft shell of the graduator, and the end face of the air distribution disc is provided with an air groove and an air hole. The periphery of the air distribution disc is provided with a first air channel hole and a second air channel hole which are communicated with the air groove and the air hole, the plate cylinder is fixedly arranged on the periphery of the plate cylinder supporting disc, the top end of the plate cylinder is inwards provided with a first air channel, and the end face of the plate cylinder supporting disc is provided with a third air channel hole communicated with the first air channel. Compared with the prior art, the positive and negative pressure switching device of the device enables different gas paths to be conducted through movement of the piston, and the device integrally adopts a mechanical structure for control and has the advantages of low cost, stable working effect and the like.

The invention discloses wind power generation equipment gear ring machining equipment and a machining method, and relates to the technical field of gear ring machining, the wind power generation equipment gear ring machining equipment comprises a machining table, a clamping assembly is arranged at the top end of the machining table, and a rotating assembly is arranged at the bottom end of the clamping assembly; the clamping assembly comprises a placing table, three first sliding grooves are evenly formed in the bottom end of the placing table, three second sliding grooves are formed in the bottom end of the placing table in a penetrating mode, and an arc-shaped clamping plate is fixedly installed at the top end of the placing table. The rotating assembly comprises a first electric push rod, the output end of the first electric push rod penetrates through the machining table and the top end of the containing table and is fixedly provided with a supporting plate, and the clamping assembly can fixedly clamp the gear ring and can drive the gear ring to rotate through the rotating assembly, so that the gear ring is conveniently machined; and after machining is completed, the first electric push rod drives the supporting plate to ascend, the supporting plate drives the gear ring to leave the containing table, and the gear ring can be observed conveniently and the machined gear ring can be moved and carried conveniently.

The invention provides an algae attachment bed for marine ecological restoration, and relates to marine ecological restoration, the algae attachment bed comprises a buffer shell, a first supporting frame and a second supporting frame are arranged on the two sides of the interior of the buffer shell in parallel, and an aeration structure is jointly connected between the first supporting frame and the second supporting frame; attachment structures connected with the first supporting frame and the second supporting frame are distributed on the outer side of the aeration structure, a linkage structure connected with the buffer shell is arranged on the surfaces of the multiple attachment structures jointly, and a driving structure fixed to the side wall of the buffer shell is installed on one side of the first supporting frame. Under the action of the driving structure, the first supporting frame and the second supporting frame can rotate synchronously. Through the linkage structure and the driving structure, the multiple attachment structures can rotate at a constant speed along with driving of the driving structure, so that the attachment structures at different positions can alternately rotate at the notch position to further make full contact with sunlight.

The invention relates to the technical field of new energy batteries, in particular to a battery module and a pressure testing method of the battery module, the battery module comprises a pressure sensor, an integrated busbar and a battery cell module, the battery cell module comprises a plurality of stacked battery cells and an end plate arranged at the outermost battery cell, the pressure sensor is clamped between two adjacent battery cells, the pressure sensor is electrically connected with the integrated busbar, and the integrated busbar covers one side, provided with a pole, of each battery cell. According to the battery module disclosed by the invention, the pressure sensor is arranged between two adjacent battery cells, so that the requirement of detecting the battery pressure of the battery module can be met, the expansion force between the battery cells can be better detected by pressure detection data, the pressure sensor is integrated on the integrated busbar, and the data is transmitted to a BMS (Battery Management System), so that an early warning effect is achieved.

The invention discloses a method and a system for capturing and remotely controlling an equipment picture, in the system, a webpage end and an equipment end respectively establish TCP (Transmission Control Protocol) connection with a server end; the webpage side initiates an RTC connection request to the server side, and the server side forwards the request; the device end obtains a screen video stream, initializes RTC, configures video transmission parameters, and transmits the video stream to the webpage end; the webpage end and the equipment end carry out P2P connection negotiation through SDP and CAN information exchange, and after RTC connection is successfully established, the webpage end receives and displays a video stream of the equipment end; the webpage end monitors the control instruction and the function instruction and transmits the control instruction and the function instruction to the equipment end, and the equipment end executes a corresponding screen response according to the control instruction or the function instruction and sends an execution result to the webpage end to be displayed. Through the technical scheme of the invention, stable and timely interaction experience is provided, the pressure of data transmission and exchange is reduced, the migration cost of multiple types of equipment ends is reduced, and the development and maintenance cost is reduced.

The invention discloses a grinding device for large-area epoxy floor construction, and relates to the technical field of grinding, the grinding device comprises a cart, a loading frame is fixedly mounted on the surface of the cart, a driving motor is fixedly mounted on the side, close to the cart, of the loading frame, and a dust suction device is fixedly mounted on the side, away from the cart, of the loading frame; a carrying frame fixedly penetrates through the inner wall and the outer wall of the cart, a rotating rod rotationally penetrates through the top of the carrying frame, a grinding disc is fixedly installed at the bottom of the rotating rod, and the output end of the driving motor is in transmission connection with the rotating rod through a belt. The rotating rod is automatically cleaned through the cleaning plate during each inspection, so that the operation complexity is effectively reduced, the accumulation of dust and dirt is avoided, and the service life of the rotating rod is prolonged.

The invention relates to the technical field of pressure detection, in particular to a bone fascia chamber pressure detector based on multi-dimensional detection and a measuring method.The bone fascia chamber pressure detector comprises a lifting plate and transverse guide rails fixed to the lifting plate and symmetrically arranged, and a supporting plate and a sliding plate are slidably installed in the transverse guide rails; the distance adjusting and controlling assembly is arranged on the supporting plate, and a bearing plate is connected to the distance adjusting and controlling assembly; the pressurizing rotating mechanism is arranged on the bearing plate, a first electrode plate is connected to the pressurizing rotating mechanism, and a follow-up attaching mechanism is further arranged on the bearing plate; the bearing assembly is arranged on the lifting plate, a bracket and a fixing plate are connected to the bearing assembly, a fixing sleeve is fixed to the fixing plate, a rotating ring is fixed to the end of the fixing sleeve, and an arc-shaped groove is formed in the rotating ring; the follow-up turnover mechanism is arranged on the fixing plate and connected with the bearing assembly, the electrode plate can be controlled to be attached to a patient at a certain pressure through the pressurizing rotating mechanism and the follow-up attaching mechanism, and it is ensured that the detection result is accurate.

The invention relates to the technical field of pressure reducer assembling, in particular to gas pressure reducer assembling equipment which is used for assembling a pressure reducer body and comprises an assembling table, and a rotating disc is movably installed on the surface of the upper end of the assembling table. According to the pressure reducer main body assembling device, the two ends of the upper end and the lower end of the to-be-assembled pressure reducer main body can be clamped and fixed, so that the fixing effect is better, and it is effectively avoided that during follow-up assembling operation, the pressure reducer main body is not prone to being damaged due to the fact that the pressure reducer main body is not prone to being damaged. When the pressure reducer body moves, the assembling operation is affected, two instrument panels and two connecting nozzles on the pressure reducer body needing to be installed can be automatically screwed and assembled at the same time, the two instrument panels and the two connecting nozzles can be well limited and fixed, deviation is avoided, the accuracy of the assembling position is guaranteed, and the assembling efficiency is improved. And workers can conveniently and timely check and assemble defective products, and the quality of assembled finished products is guaranteed.

The invention relates to the field of detection machines, in particular to a touch key full-size automatic optical detection machine which comprises a feeding module, a first appearance defect detection module and a second appearance defect detection module. The first appearance defect detection module comprises two appearance detection modules; each appearance detection module comprises a turntable, a plurality of bearing seats and a plurality of detection camera devices which are arranged on one sides of the bearing seats and are used for detecting different visual angles of products; all the bearing seats are borne by the rotary table, all the bearing seats are arranged in a circle around the edge of the rotary table, a plurality of clamps used for clamping products are arranged on each bearing seat, and each clamp is arranged on the corresponding bearing seat; the first outer pipe defect detection module, the second outer pipe defect detection module, the double-rotation moving mechanism, the CCT detection module, the PPU moving station, the automatic overturning moving device and the second manipulator are used for moving overturned products to the sorting tray to realize sorting and discharging. The overall integration degree is high, the detection visual angle is comprehensive, the equipment flexibility is good, and whole-course automatic detection can be achieved.

The utility model relates to the technical field of hydrogen storage, and particularly discloses a material box type solid hydrogen storage tank which comprises a hydrogen storage tank shell, a hydrogen storage tank hydrogen inlet, a hydrogen storage tank hydrogen outlet, a bottom support, a main water inlet water dividing pipe, a main water outlet water collecting pipe, a circulating water pipe, an internal support, a bottom supporting plate, a hydrogen storage alloy material box and a sealing flange, the internal support is movable and is arranged in the hydrogen storage tank shell by adopting an integrated layered and latticed grating type structure, and the hydrogen storage alloy material boxes are arranged on each layer of bottom supporting plate of the internal support in a layer-by-layer and latticed manner; a circulation heat exchange system is embedded in the internal support and moves along with the internal support. The hydrogen storage alloy is made into a material box type, a movable grating type internal supporting structure is arranged, hydrogen can make full contact with the hydrogen storage alloy unit, the hydrogen absorption and desorption rate is increased, meanwhile, internal details can be conveniently checked during maintenance, the charging time is greatly shortened, and the heat exchange efficiency is also improved through a circulating heat exchange system.

The invention discloses a database adaptation method and system based on object relation mapping, and the method and system achieve the purpose that a unified external function is compatible with different database types in a mode of achieving a callback function. Meanwhile, a plurality of databases can be registered for use at the same time in a registration mode, differences between various database environments and grammar are ignored, and the purpose of unification in use is achieved. In addition, according to the method and the device, the capabilities of link tracking and log interface unification are also included, and the database logs and call chains which are originally disordered and different are unified into a set of logic, so that the cost for adapting to different databases is reduced.

The invention discloses an enterprise-level index management system, method and device based on big data and a medium, and the system comprises a system operation interface which is used for obtaining table configuration; the data acquisition interface is used for acquiring initial data; the data table management platform is used for constructing a business theme table and a dimension table according to the business original table based on table configuration and initial data and determining an association relationship; the index management platform is used for creating business indexes according to the business theme table and the dimension table, constructing a corresponding first structured query statement according to the association relationship, determining a target index to be subjected to association analysis from the business indexes, and constructing a corresponding second structured query statement based on the target index; and the system operation interface is also used for constructing a visual graph for display according to the business indexes and a preset analysis model. Through centralized environment definition, storage and management of business indexes, the uniformity of index definition is ensured, the conversion process of index data can be recorded and displayed, and troubleshooting and compliance auditing are facilitated.

A bridge crack detection device comprises a base, a lead screw sliding block mechanism is installed on the base, and the lead screw sliding block mechanism drives a left lower fixing plate and a right lower fixing plate to be relatively close to or away from each other; an electric push rod is mounted in each lower fixing plate and drives the corresponding upper fixing plate to lift up and down; the top end of each upper fixing plate is detachably provided with a connecting plate, and the lower end of each connecting plate is provided with a roller which is driven by a driving assembly to rotate. The bridge crack detection device provided by the utility model can realize rapid detection of bridge cracks.

The invention discloses an FANUC industrial robot operation track program text modification method and device, and belongs to the technical field of industrial robots. The modification method comprises the following steps: displaying a to-be-modified robot operation program old text in a first text display box; modifying the modified text target line of the to-be-modified old text of the robot operation program through the basic control, changing old operation content in the modified text target line of the to-be-modified old text of the robot operation program into new operation content, and obtaining a new text of the robot operation program; displaying the obtained new text of the robot operation program in a second text display box, and checking the modified operation content in the obtained new text of the robot operation program; and taking the new text of the robot operation program passing the checking of the modified operation content as a new robot operation program. According to the modification method, the operation track program of the FANUC industrial robot can be quickly modified, and the program modification efficiency is improved.

The invention provides an agricultural planting seed screening system based on weight detection, and relates to the technical field of agricultural seed screening, and the agricultural planting seed screening system comprises a feeding device module, a weight detection device module, a grading device module, a control module, a calibration unit and a fault early warning unit. Good and full high-quality seeds and low-quality seeds with light weight caused by dysplasia, damage or diseases and insect pests are effectively distinguished, compared with a traditional manual screening method or a mechanical screening method only based on sizes and shapes, the screening precision is greatly improved, a guarantee for higher-quality seeds is provided for agricultural production, and the method is suitable for large-scale popularization and application. The system can realize automatic continuous operation, can quickly carry out weight detection and grading screening on a large number of seeds, treats the large number of seeds in a short time, greatly improves the working efficiency of seed screening, is particularly suitable for seed pretreatment of large-scale agricultural planting, and is beneficial to shortening the preparation time before sowing.

The invention relates to a grinding device for quartz tube machining and a grinding method thereof.The device comprises box bodies arranged in a bilateral symmetry mode, clamping rotating shafts, clamping cylinders and a plurality of clamping rings are arranged in the box bodies and used for stably fixing a quartz tube, the device is provided with a motor driving system, and the quartz tube is driven to rotate through a first motor; in order to solve the dust problem, the device is provided with a multi-stage dust treatment system composed of a cyclone separation box, a wetting adsorption layer, a planetary gear train and the like, dust generated in the grinding process can be efficiently collected and treated, secondary pollution is avoided, and in addition, the device is simple and convenient to design and low in cost. The quartz tube polishing device is simple in structure, flexible to operate, low in maintenance cost, high in polishing efficiency and environment-friendly, suitable for precision machining of quartz tubes, and particularly wide in application prospect in polishing scenes requiring high cleanliness and high precision.

The utility model relates to the related technical field of power distribution cabinets, in particular to a power distribution cabinet mounting device with an adjustable function, which comprises a bottom plate, a base and a placement plate, the base is mounted on the lower surface of the bottom plate, and the placement plate is mounted on the upper surface of the bottom plate. A lifting mechanism is arranged on the upper surface of the placing plate, a damping mechanism is arranged on the upper surface of the placing plate, an adjusting mechanism is arranged on the upper surface of the placing plate, and a mounting mechanism is arranged on the upper surface of the placing plate. The power distribution cabinet can keep a proper distance from the ground, line connection and maintenance are facilitated, the electric lifting machine is more flexible to adjust and can adapt to application scenes of different heights, the adaptability of equipment is enhanced, the electric lifting machine can effectively reduce the installation time, improve the working efficiency, bring more economic benefits to users, remarkably reduce the total cost, and the power distribution cabinet is worthy of popularization and application. And greater economic benefits are brought to the power industry.

The utility model discloses lighting equipment for ophthalmology examination, and relates to the technical field of lighting equipment for ophthalmology examination, the lighting equipment for ophthalmology examination comprises a supporting mechanism, the supporting mechanism comprises a U-shaped supporting plate, the inner wall of the U-shaped supporting plate is provided with a sliding groove, the outer wall of the U-shaped supporting plate is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the U-shaped supporting plate. A second U-shaped supporting plate is fixedly connected to the side, away from the U-shaped supporting plate, of the connecting plate, a dust removal mechanism is arranged on the outer wall of the U-shaped supporting plate, and the dust removal mechanism comprises an L-shaped supporting plate. The extrusion air bag can be extruded by the collision ball, and when the collision ball is extruded, internal air can be quickly sprayed to the slit lamp through the air spraying opening, so that dust falling into the slit lamp can be conveniently and timely cleaned, and the conditions that lamplight is not suitable for use or focusing due to dust accumulation and the like are reduced.

The invention provides an AGC performance evaluation method and system in an approximate follow-up control operation mode. The method comprises the following steps: determining AGC response reference curve parameters according to an AGC performance assessment standard; obtaining a conventional unit AGC instruction historical data sequence and an actual power historical data sequence in the same sampling period; on the basis of the AGC instruction historical data sequence, the occurrence time, the instruction amplitude variation, the instruction duration and the corresponding actual power response data segment of each AGC instruction are determined; an AGC response reference curve is constructed according to the AGC instruction generation time, the instruction amplitude variation, the instruction duration and the AGC response reference curve parameters; and determining the AGC performance according to the error between the actual power response data segment and the AGC response reference curve. By constructing the AGC response reference curve and calculating the error sum, the AGC performance under approximate follow-up control is effectively evaluated, and the power dispatching efficiency and the accuracy of generator set response evaluation are improved.

The invention discloses a reactor cabin structure internal pressure-bending combined load test device and a test method thereof.The device comprises a test module, the test module comprises a test section, a first transition section and a second transition section, and the test section is provided with a first pressure cabin and a second pressure cabin; the internal pressure loading module comprises a water tank and a pressure pump; the bending loading module comprises a first vertical loading mechanism and a second vertical loading mechanism; the bottom supporting module comprises a first supporting mechanism and a second supporting mechanism; and the measuring module comprises a first pressure sensor, a second pressure sensor and a pressure gauge. According to the invention, the internal pressure loading module and the bending loading module are used for simulating the load of the pressure chamber structure under dual accident conditions, the structural response under the condition of superposition of different internal pressure loads and different bending loads is known, and the safety and reliability of a chamber section model of the pressure chamber structure under the accident conditions are analyzed.

The utility model relates to the technical field of commercial concrete production supervision, in particular to a dynamic intelligent supervision device for a concrete mixing station. The system comprises a data acquisition module, a process monitoring module, a data storage module and an exit following module, the data acquisition module comprises an environment data detection module and a concrete data detection module, and the process monitoring module comprises a monitoring system, a control computer and an alarm device. The data acquisition module is used for collecting multiple items of working data in the concrete mixing station, comprehensive judgment and guarantee of the concrete production quality are facilitated, the process monitoring module is used for monitoring and controlling the production process of the concrete in the whole process, the production process is monitored and mastered, the quality control of the concrete production is further improved, and the working efficiency is improved. The data storage module is used for storing data and monitoring information collected by the data acquisition module and the process monitoring module, and the delivery following module is used for monitoring the delivery condition of finished concrete after the finished concrete is delivered, so that the whole-course quality control is realized.

The invention belongs to the technical field of automobile braking, and discloses an unmanned vehicle hydraulic braking manual pressure relief device which comprises a liquid storage part and a plunger pump, a cavity for storing brake liquid is formed in the liquid storage part, the plunger pump communicates with the cavity, and a first conveying part and a second conveying part are installed at the liquid outlet end of the plunger pump; the pressure relief device further comprises a front connecting piece and a rear connecting piece which are used for being connected with a tire, and a front braking piece and a rear braking piece which are used for clamping or loosening are connected to the connecting piece and the rear connecting piece respectively. Conveying channels for conveying brake fluid along a preset path are formed in the first conveying part and the second conveying part, after a braking system of the unmanned vehicle goes wrong, the chassis braking system of the unmanned vehicle can be quickly relieved, the unmanned vehicle leaves a motor vehicle lane or a sidewalk to an open area, and the safety of the unmanned vehicle is improved. And dangers caused by on-site maintenance of the unmanned vehicle on motor vehicle lanes and sidewalks are avoided.

The invention discloses a method for establishing a chronic obstructive pulmonary disease screening model based on a forced oscillation lung function, belongs to the technical field of clinical diagnostics, and aims to solve the problem that screening of chronic obstructive pulmonary disease by using a spirometer needs to consume a large amount of time and economic cost. 2, dividing the collected clinical data into a training set and a test set for constructing an FEV1 / FVC prediction model; 3, constructing an FEV1 / FVC prediction model based on an FOT (Forced Oscillation Test) parameter and a basic demographic parameter; 4, searching an optimal boundary value of the prediction model; 5, evaluating the screening performance of the prediction model on the chronic obstructive pulmonary disease in the test set; and 6, evaluating the screening performance of the prediction model on the chronic obstructive pulmonary disease in an external verification set. According to the method, the chronic obstructive pulmonary disease screening model is used for preliminarily screening people needing to be subjected to spirometer examination, early diagnosis and early treatment of the chronic obstructive pulmonary disease are facilitated, and the social and economic burden caused by the chronic obstructive pulmonary disease is relieved.

The invention discloses a cabin machining and clamping device, relates to the technical field of machining, and aims to solve the problem of poor cabin workpiece alignment and clamping quality in the prior art. The cabin machining clamping device comprises a chassis assembly, a pressing disc, a tensioning assembly and a pressing assembly, a cabin workpiece is arranged between the chassis assembly and the pressing disc, the chassis assembly and the pressing disc are connected through the tensioning assembly and fix the cabin workpiece, the pressing assembly is arranged on the chassis assembly, and the pressing assembly is arranged on the pressing disc. The fixing device is used for fixing the connection between the cabin body workpiece and the chassis assembly. According to the cabin machining and clamping device, a cabin workpiece can be conveniently positioned and clamped, operation is easy and convenient, the structure is simple, and the cabin workpiece can be rapidly aligned and clamped.

The present application discloses a private key data encryption and decryption trusteeship method based on blockchain, including an encryption process and a decryption process, wherein the encryption process includes obtaining a private key trusteeship password and authorized trustee information data; using the private key trusteeship password as a first encryption key, according to a first encryption and decryption algorithm, encrypting the private key data to obtain encrypted private key data; using the authorized trustee information data as a second encryption key, according to a second encryption and decryption algorithm, encrypting the private key trusteeship password to obtain an encrypted private key trusteeship password; according to a private key trusteeship smart contract, uploading the encrypted private key data and the encrypted private key trusteeship password to a private key trusteeship blockchain. The user sets a private key trusteeship password to encrypt the private key, sets an authorized trustee to encrypt the private key trusteeship password, and uploads the encrypted data to the private key trusteeship blockchain. By utilizing the immutability of the on-chain data, the user controls the private key extraction authority and retains the extraction information, thereby improving data security.

The invention discloses a method and a system for generating and auditing an automatic test result of a set top box, and mainly relates to the technical field of automatic test of the set top box. Comprising the steps of automatically generating assertion judgment and executing assertion judgment, and the step of automatically generating assertion judgment comprises the following sub-steps: performing screenshot on a current page of equipment by using an ADB debugging bridge, and transmitting a picture to a test platform; storing the picture as a picture element, and marking the picture element by using a test case name and a number as a judgment basis during script execution; and a step of adding an assertion judgment to the current script, taking the picture elements as a comparison basis, and setting a default similarity matching threshold. The method has the advantages that script execution and result judgment can be well combined, which step has problems can be traced through a test report, and specific reasons can be conveniently checked.