210 results about "Technician" patented technology

The present invention relates to the technical field of avionics equipment, and disclosed is a cross-domain maintenance decision-making method for coordinated optimization of maintenance service outlets, activities, and resources. The method comprises the steps of: on the basis of a fault phenomenon, acquiring a set of a variety of maintenance activities; determining whether resources required for a faulty product are missing at a current service outlet, and if the resources are missing, separately computing a resource scheduling time and cost required for each maintenance activity for which resources are missing; computing a fault repair time, repair costs, and repair probability of a certain maintenance activity; and determining a goal of a maintenance decision, and outputting an optimal maintenance scheme. The present invention can assist technicians in making maintenance decisions during maintenance of electronic products, reduce the waste of time and resources caused by the inconsistencies and uncertainties of maintenance activities, guide maintenance activities of remote operation and maintenance, reduce maintenance time, and reduce operation and maintenance costs.

The invention discloses a free-form surface flexible polishing self-adaptive control method and device, and belongs to the technical field of ultra-precision four-axis polishing machine tool machining. According to the method, a high-efficiency closed-loop control system is constructed on the basis of a flexible head removal principle in combination with an automatic control technology and a pressure sensing technology, fine online capture of down pressure changes and self-adaptive adjustment of polishing parameters in the polishing process can be achieved, the limitation of the prior art is effectively overcome, and the intelligent level of the process is improved. Comprising a flexible polishing head and a downward pressure on-line detection device. The actual machining condition of the current position is analyzed by collecting downward pressure generated by deformation of the flexible polishing head in the polishing process, and technological parameters are automatically adjusted. The invention provides a more efficient and accurate free-form surface flexible polishing scheme, the machining time can be remarkably shortened, the labor intensity of technicians is relieved, and meanwhile, the machining precision is guaranteed and improved. The device has the advantages of simple structure, convenience in disassembly and assembly, high precision and the like.

The invention discloses a hierarchical alarm processing and task scheduling method used in a multi-user environment, and relates to the technical field of information processing and resource scheduling, and the method comprises the steps: obtaining a technician capability parameter vector, time constraint data and a workload upper limit, and obtaining a candidate distribution scheme; calculating task priority weighting factors of the technicians in different time periods, if time constraint data of the technicians conflicts with task time requirements, marking the time constraint data as an unavailable state, obtaining a first allocation scheme after conflicts are eliminated, obtaining capability parameter vectors and workload allocation proportions of other technicians, and obtaining a second allocation scheme after the conflicts are eliminated; a substitute person list closest to the unavailable person capability parameter vector is generated, and a second distribution scheme is obtained; according to the hierarchical alarm processing and task scheduling method used in the multi-user environment, real-time task execution logs are generated, system state data are updated, intelligent distribution, dynamic adjustment and stability prediction of tasks of technicians are achieved, and the efficiency and rationality of task distribution are improved.

The invention discloses a templated business process management method, and relates to the technical field of enterprise management.The method comprises the steps that repeatable task units in a business process are represented and packaged into function components capable of being configured in a draggable mode, combined arrangement is conducted in a visual working area template, and process construction is conducted from the development coding level to the development coding level; according to the technical scheme, the method sinks to a configuration level which can be understood by business personnel, in the step of creating the visual workflow template, when the working area templates bearing specific tasks are bound with process nodes, separation and standardized packaging of business logic and execution logic are achieved, and various working area templates are predefined through a graphical interface; the node function assembly can be quickly completed only by quoting the templates in the flow chart, the defect that each node needs to be independently developed or written in a traditional mode is overcome, and the core defects that in the prior art, flow construction is complex, the reuse rate is low, and the method excessively depends on technicians are overcome.

Examples related to facilitating the training, assessment, and dispatching of technicians to a customer location for at least the purpose of servicing or repairing machines, devices, or systems present at the customer location are presented. The technician can be selected for dispatch to the customer location by review of database information, including training information for the technician, among other things. While at the customer location, the technician can be provided with training information delivered via a training module, where such training material content can comprise written materials, photos, video, virtual assistance, remote assistance, games, or the like. The technician can generate videos or other collateral while at the customer location, which can be included for use in a library of training materials for subsequent use, or for other purposes. Various systems and processes for facilitating the selection, management and deployment of training materials for technicians are also provided herein.

The invention provides a method for automatically compiling an assembly process procedure based on CATIA and EXCEL secondary development, and the method comprises the steps: building a standard part library, compiling a procedure template, determining process connection information, selecting drilling and connection working conditions, and finally compiling the procedure according to the determined drilling connection point information. According to the method, by specifying the part drawing number, automatically screening the drilling connection information related to the specified part in the mathematical model and automatically counting the number of the standard parts, the time for selecting, copying, pasting and sorting by technicians is saved, the problems of missing selection, wrong selection and wrong counting of the number of the standard parts are solved, the one-time passing rate of regulation compiling is increased, and the working efficiency is improved. Wait waste in the production process is avoided, and the assembly efficiency is improved.

The utility model discloses a semi-automatic straight pipe double-end spot welding machine, which relates to the technical field of spot welding machines and comprises a base, and a left terminal piece feeding mechanism and a right terminal piece feeding mechanism are arranged on two sides of the top of the base. A fixing piece direction rotating mechanism, a spot welding mechanism, a clamping mechanism, a two-color buzzer, a PLC microcomputer controller and a discharging mechanism are arranged in the center of the top of the base. According to the double-end spot welding machine, the servo motor power transmission component, the up-down air cylinder, the push-out air cylinder, the parallel opening and closing finger air cylinder, the fixed piece direction rotating component and the like are integrated, and automatic operation of a series of steps including heating pipe feeding, clamping, transferring, rotary centering, terminal piece processing, pushing, welding and the like is achieved. Compared with the prior art, manual participation links are greatly reduced, the requirement for the technical level of operators is lowered, basic operation can be conducted without technicians or operators, the range of the operators is expanded, and the training cost and the time cost are reduced.

The invention relates to the technical field of optical fiber welding, and discloses portable optical cable welding and peeling equipment which comprises an equipment box, a telescopic rod, a pull rod and a fixing assembly. The telescopic rod is fixedly connected with the pull rod, the movable end of the telescopic rod is connected with the equipment box, and the equipment box can get close to or away from the pull rod through the telescopic rod; the pull rod is slidably connected with a fixing assembly, and the fixing assembly is detachably connected with the optical fiber fusion splicer. A containing space used for containing the optical fiber fusion splicer is arranged in the equipment box, the optical fiber fusion splicer is fixed through the fixing assembly, the height of the optical fiber fusion splicer is adjusted through cooperation of the pull rod and the fixing assembly, an operator can sit on the equipment box, and the distance between the operator and the optical fiber fusion splicer is adjusted through the pull rod. Therefore, the user is more convenient, the user is prevented from lowering the head to operate, the technical problem that the neck of a technician is not comfortable in the prior art is solved, and the technical effects that the user does not need to lower the head to operate and the use is more comfortable are achieved.

The utility model belongs to the technical field of electric power engineering, and particularly discloses a cable diameter measuring device which comprises a device frame, a plurality of sets of rubber chucks are arranged on the inner side of the device frame, a disc frame is arranged on the inner sides of the rubber chucks, an axis penetrating hole is formed in the axis position of the disc frame, and a frame shaft is fixedly connected to the outer surface of the disc frame. The outer surface of the frame shaft is rotationally connected with a rotating plate, a rubber arc plate is arranged on the rotating plate, and a driving mechanism is arranged on the disc frame. According to the diameter measuring device for the cable, the motor drives the gear and the gear ring frame, automatic control and positioning of the rotating plate and the rubber arc plate are achieved, it is ensured that the rubber arc plate can be stably attached to and tightly attached to the outer surface of the cable, a technician only needs to operate the vernier caliper in the measuring process, the position of the cable does not need to be adjusted, and the measuring efficiency is improved. Therefore, shaking and measurement errors caused by unstable hand holding of technicians are effectively reduced.

The utility model relates to the technical field of natural gas filtering separators, and discloses a gas-solid separator for carbon-gas mixed combustion, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a tank body, the outer side of the tank body is fixedly connected with a feed port, and one end of the feed port far away from the tank body is fixedly connected with a shell. An air cylinder is rotatably connected to the interior of the shell, a connecting block is rotatably connected to the driving end of the air cylinder, a rotating ring is fixedly connected to the outer side of the connecting block, a plurality of linkage blocks are rotatably connected to the interior of the rotating ring, and a second rotating plate is slidably connected to the interior of each linkage block. According to the utility model, professional technicians do not need to carry out complex connection operation, and common workers can master the connection operation skillfully through simple training, so that the requirement on the skill level of operators is reduced, and the occurrence of connection errors and the like caused by unskilled operation is reduced.

The present application relates to the technical field of computer, in particular to a kind of experience-based field technician scheduling method and system, method includes: obtaining scheduling input data, including the directed graph of node and task node, travel time, available technician set, skill domain information, proficiency level, skill domain demand and demand proficiency level, income, task time window, work time window, service duration mapping relationship;According to proficiency level and demand proficiency level, compatible relationship is generated and experience-related service duration is calculated;Under the feasibility constraint, scheduling scheme is constructed, task node unique allocation is satisfied, job route is started from node and returns node, service starting time is determined according to travel time and experience-related service duration to satisfy time window;Heuristic insertion generates initial scheduling scheme;Iterative local search generates neighborhood, temperature parameter probability acceptance, disturbance and cooling;The optimal scheduling scheme is output to maximize the income.The present application can solve the problem of inaccurate time consumption estimation and insufficient plan robustness caused by the fact that the experience / proficiency of technicians is not explicitly reflected in the existing field technician scheduling.

1. The name of the design product: cosmetic function setting graphical user interface for electronic equipment. 2. The use of the design product: electronic equipment for running cosmetic function setting. 3. The design points of the design product: the graphical interface content of the product. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: the appearance patent design is used for the operation of the cosmetic instrument, the front view is the software home page, and the start, stop, setting interface, working mode, working power adjustment, working time, reset, total number of pulses, and remaining available can be performed. Click the "√" key in the lower right corner of the front view to enter the interface change state diagram 1 to enter the system startup state, display the preparation state, and view the working area data. Click the "≡" key in the upper left corner of the change state diagram 1 to enter the interface change state diagram 2 to enter the system setting interface, and the interface displays the settings, cooling water tank, system information, export system log, pulse recharge, software upgrade, technician operation, and exit selection. Click the settings in the change state diagram 2 to enter the change state diagram 3 interface, and the change state diagram 3 interface can perform language settings, volume, brightness, and time settings.

The utility model provides a bearing inner ring rapid stacking and automatic feeding module. The bearing inner ring rapid stacking and automatic feeding module is characterized in that limiting grooves are formed in the left side and the right side of the center of the top of a feeding rack; the discharging table is placed in the center of the top of the feeding rack, L-shaped stop blocks are arranged on the periphery of the discharging table, limiting bolts are arranged in the centers of the bottoms of the L-shaped stop blocks in a penetrating mode, the bottoms of the limiting bolts are clamped in the limiting grooves, and a rapid stacking module is arranged on one side of the discharging table. The automatic feeding channel changing module is arranged at the bottom of the feeding rack; the bottom of the automatic pushing module is arranged on the left side and the right side of the top of the automatic changing feeding channel module through bolt connection, the top of the automatic pushing module is arranged over the discharging table, and the conveying track is obliquely arranged on the side, away from a limiting mounting plate in the rapid stacking module, of the feeding rack through bolt connection. The bearing inner ring rapid stacking and automatic feeding module has the advantages that mechanical automatic circulating uninterrupted feeding is achieved, the working efficiency is improved, and the labor intensity of technicians is reduced.

The utility model relates to the technical field of laser equipment, in particular to a laser processing device capable of being monitored. The laser machining equipment comprises an equipment main body, a controller arranged on the equipment main body, a machining cavity formed in the equipment main body, a laser machining mechanism movably arranged in the machining cavity, a workpiece carrying table arranged in the machining cavity, a scrap tray arranged in the machining cavity and a transparent door plate arranged at the upper end of the equipment main body in an overturning mode. A camera shooting assembly is arranged on the inner side of the transparent door plate, a plurality of hollowed-out grooves are formed in the workpiece carrying table, and the laser machining mechanism comprises a laser cutting head and an XY-axis moving assembly. And the equipment main body is also provided with a touch panel and a wireless communication module. According to the utility model, the visual monitoring of the processing process is realized, and a technician can remotely monitor the operation condition of the equipment by introducing the wireless communication module, so that the requirements of field operators are reduced, the labor cost is reduced, and the use flexibility of the equipment is improved.

A fixing mechanism for file threading binding relates to the technical field of binding tools and comprises a base, a back plate sliding in the vertical direction is arranged on the base, an upper clamping plate and a bottom support sliding in the vertical direction are arranged on the front face of the back plate side by side from top to bottom, and the lower surface of the bottom support abuts against the upper surface of the base. A first side clamping plate and a second side clamping plate which are oppositely arranged are arranged on the front face of the back plate in a sliding mode in the transverse direction, and the first side clamping plate and the second side clamping plate move oppositely or oppositely through a linkage assembly. The file binding device solves the problem that in the prior art, when a technician conducts threading and knotting on files, it cannot be guaranteed that a plurality of pieces of paper are aligned, and the file binding efficiency of the technician is affected.

The utility model is suitable for the related technical field of tool clamps, and provides a double-station three-axis tool clamp which comprises a tool bottom plate, a first clamping unit used for clamping a workpiece body is arranged between every two adjacent limiting blocks, each first clamping unit comprises a plurality of sets of first adjusting blocks arranged in an array mode, and a second clamping unit used for clamping a workpiece body is arranged between every two adjacent limiting blocks. A second adjusting block is arranged between each set of first adjusting blocks, the first adjusting block close to the middle limiting block is fixedly connected with the tool bottom plate, clamping plates which are symmetrically arranged are fixedly connected to the side faces of the second adjusting blocks, and first clamping grooves matched with the clamping plates are formed in the first adjusting blocks. The vertical position of the first adjusting block is adjusted through the first screw so as to adjust the distance between the second adjusting block and the workpiece body, the workpiece body is clamped and limited under the action of the limiting block, the working efficiency is improved through double-station clamping, the clamping time of technicians is shortened, and the working efficiency is improved. In actual machining, the requirements for installation and reduction of machining procedures are improved.

A movable mechanical claw set for disassembling a motor train unit air conditioner filter screen comprises a movable lifting parallel mechanical arm and a translation rotating mechanical claw. The motor train unit air conditioner filter screen automatic dismounting and mounting device has the advantages that efficiency is improved, the motor train unit air conditioner filter screen automatic dismounting and mounting device developed on the basis of the mechanical structure does not have a fatigue period, dismounting of the filter screen can be rapidly completed for a long time, maintenance time is greatly shortened, and overall maintenance efficiency is improved; 2, consistency and standardization: the automatic dismounting technology developed based on the mechanical structure can ensure the consistency of each operation, reduce the difference caused by human factors, and ensure that the maintenance quality meets the standard; 3, the labor cost is reduced: by introducing an automatic dismounting technology, the dependence on professionals can be reduced, the labor cost is reduced, and the human resource configuration is optimized; and 4, the safety is improved, the requirement of manual operation is reduced through the automatic dismounting technology, the risk of operation of operators in a severe environment is reduced, potential safety hazards caused by misoperation of technicians are reduced, and therefore the safety is improved.

The utility model relates to the technical field of cabinets, in particular to a cabinet structure, which comprises a replacement seat, a sliding block, a placement plate, a moving part and an auxiliary part, the replacement seat is slidably mounted in a cabinet body, the sliding block is slidably mounted on the replacement seat, the placement plate is fixedly mounted on the sliding block, and the placement plate moves in a sliding groove of the replacement seat through the sliding block. The sliding blocks drive the placement plates to move out of the cabinet body, technicians do not need to enter the cabinet shell for maintenance, maintenance by the technicians is facilitated, time is saved, and the problem that when an existing device is used, electronic equipment is installed on a bottom plate, the bottom plate is fixedly connected to the inner wall of the cabinet shell, and maintenance is inconvenient is solved. The problems that when electronic equipment on a bottom plate needs to be maintained or replaced, technicians need to enter a cabinet shell for maintenance, but the technicians are affected due to the fact that the size of the cabinet shell is small and the space is narrow and small, and then the working efficiency is reduced are solved.

The utility model relates to the technical field of wire harness wiring devices, and discloses an automobile wire harness wiring device which comprises a mounting plate, a plurality of fixing frames are fixedly connected to the front side of the top end of the mounting plate, clamping grooves are formed in the right ends of the fixing frames, and telescopic rods are connected to the inner walls of the clamping grooves through limiting assemblies. First gears are fixedly connected to the left ends of the telescopic rods, gear rings are connected to the front sides of the outer walls of the first gears in a meshed mode, second gears are connected to the upper portions and the lower portions of the rear sides of the outer walls of the gear rings in a meshed mode, clamping assemblies are arranged at the opposite ends of the second gears, and limiting grooves are formed in the rear sides of the top ends of the mounting plates. A plurality of clamping rods are fixedly connected to the inner walls of the limiting grooves, and winding assemblies are arranged on the outer walls of the clamping rods. According to the utility model, wire harnesses with different sizes can be fixed in the fixing frame, so that the difficulty of maintenance and troubleshooting is reduced, technicians can accurately identify and process each wire harness conveniently, and the applicability of the device is improved.

The invention discloses ballastless track transponder mechanical installation integrated equipment in the technical field of railway construction.The ballastless track transponder mechanical installation integrated equipment comprises track structures, a rotating structure, a telescopic device, a blowing device and a detecting device.The track structures are fixedly installed at the two ends of the upper surface of a flat plate, and the fixed end of the rotating structure is connected with the track structures; the output end of the rotating structure is fixedly connected with the top of the blowing device, a nozzle of the blowing device faces the drilling area, and the detection devices are fixed to the two sides of the lower portion of the flat plate through concave supports. According to the ballastless track transponder mechanical installation integrated equipment, the working efficiency of construction technicians can be improved, the construction cost can be reduced, the influence of environment and human factors can be reduced, and engineering can become more efficient in the aspects of cost, progress and time management.

UFS unmanned factory computer system software transmits parameters of products or projects to a computer or a server through mails or applets or computer interfaces, and the computer or the server automatically and intelligently replaces designers, data personnel and workshop technicians of existing enterprises to complete related technical operation according to the received parameters. And an unmanned factory function is realized.

The invention discloses a machining method suitable for a propeller blade tip for a large ship. The machining method comprises the steps that a propeller is clamped and positioned; collecting point cloud data to automatically identify the number of blades; planning a path according to a single-leaf template and the number of leaves, and collecting leaf tip three-dimensional point clouds along the path; adaptively optimizing the point cloud according to the curvature change of the blade tip; and after the optimized point cloud and the theoretical model are registered, the machining allowance is calculated, a machining track containing thickness calibration is generated, and machining is executed. According to the method, digital definition of blade tip geometry and fillet and automatic track generation are achieved, dependence on personal experience is thoroughly eliminated, machining consistency and high precision are guaranteed, and missed machining and repeated machining are avoided. The whole technological process is automatic and programmed, the processing period is greatly shortened, the production efficiency and the quality stability are remarkably improved, and the dependence on advanced technicians and the labor cost are reduced.

The utility model provides a kind of vortex static disc hole position detection device, belong to vortex static disc technical field, it solves the technical problem that only the hole position of vortex static disc one side is detected, to cause technician to need additional step or tool to detect other side hole position, increase the complexity and time cost of maintenance.It is a kind of vortex static disc hole position detection device, including operation platform, two conveyer belts are symmetrically rotationally connected in operation platform top, multiple storage grooves are slidably connected with extension plate inside, multiple extension plates are fixedly connected with same fixed disc on the side end portion away from turnover roll, three limit grooves are arranged on the surface of pivot close to fixed disc side, and three limit grooves are evenly arranged in annular, three limit plates are fixedly connected to one side inside fixed disc, and the surface of fixed disc away from extension plate side is equipped with moving mechanism for moving extension plate.In the utility model, through the setting of turnover roll, it can ensure that the hole position of both sides of vortex static disc can be detected.

The utility model discloses a material receiving device for a slant-bed machine tool in the technical field of slant-bed machine tools, which comprises the slant-bed machine tool, a guide rail is mounted below the outer wall of one side of the slant-bed machine tool, and side plates are mounted at the front end and the rear end above the outer wall of one side of the slant-bed machine tool. The material receiving device is reasonable in structure, the material receiving box is clamped into the mounting base on the movable base in a sliding mode through the clamping base, the inclined plate on the material receiving box is clamped into the outer wall of the connecting rod through the elastic clamping hoop, and according to the inclination angle of the inclined plate, the material receiving box is clamped into the outer wall of the connecting rod through the elastic clamping hoop. After the slant bed machine tool finishes machining a workpiece, the workpiece slides into the material receiving box through the inclined plate to be collected and treated, related technicians do not need to take the workpiece and place the workpiece in a designated area in the process, the workload and the workload degree of the related technicians are reduced, the investment of labor cost is also reduced, and the efficiency is effectively improved.

The invention provides a business model acquisition method based on artificial intelligence, which is applied to a business end, and comprises the following steps: uploading training corpora following a preset rule to a model training system, setting training parameters including training round number, batch size and learning rate, and sending a training instruction to enable the system to train a business model according to the corpora and the parameters. After a training completion instruction is received, a verification data set is uploaded, the system restarts the service model and processes verification data, and the service end finally obtains a processing result. According to the method, data input is standardized through a source, and training interruption risks are reduced; the service end autonomously sets parameters and instructions, so that training is more autonomously and pertinently; in the whole process, the automatic and standardized operation of the business model from training to verification is realized, the efficiency and accuracy of model training are improved, and the dependence on professional technicians is reduced.

The invention discloses computer information data management equipment, and relates to the technical field of computer equipment, the computer information data management equipment comprises a management mechanism, the management mechanism comprises a cabinet, mounting grooves and a mounting plate, and the mounting grooves are formed in two sides of the front side of a cabinet body. By arranging the sliding mechanism, the adjusting and positioning mechanism and the dismounting and cleaning mechanism, the sliding mechanism can provide stable and smooth moving support for the mounting plate, so that the mounting plate can be adjusted in a front-back sliding manner relative to the cabinet, and equipment at the top of the mounting plate can be conveniently maintained; the problems that when a server on a certain specific mounting plate in the cabinet needs to be overhauled, a hard disk is replaced, a cable is plugged or a fault is troubleshot, because the mounting plate is tightly fixed between two positioning plates, arms and tools of technicians are difficult to extend into a crowded cabinet space, the operation view angle is poor, the space is narrow, and the working efficiency is low are solved. And the maintenance difficulty and the operation time are greatly increased.

The utility model discloses a PT reverse plugging detection bench, and relates to the technical field of detection benches. The PT reverse plugging detection device comprises an X-axis transverse moving module, a Y-axis transverse moving module is arranged on a moving part of the X-axis transverse moving module, a Z-axis precision lifting module is arranged on a moving part of the Y-axis transverse moving module, a plugging cylinder and a CN plugging head are arranged on the Z-axis precision lifting module in a matched mode, and the plugging cylinder drives the CN plugging head to move to achieve PT reverse plugging detection. According to the utility model, precise X-axis, Y-axis and Z-axis positioning is carried out on the circuit board, so that precise plugging detection of a CN plug on the circuit board in a reverse direction is realized, the efficiency of machine adjustment and wire change by technicians is greatly improved, the misjudgment rate caused by probe testing is effectively reduced, automatic alignment and operation can be realized, the product detection is more accurate, and the production efficiency is improved. And meanwhile, the cost of personnel and consumables (probes) is reduced, so that the detection efficiency and the product quality are remarkably improved, and the waste of manpower and materials is reduced.

The invention belongs to the technical field of maintenance platforms, and provides a test maintenance platform and a maintenance method for a combiner box measurement and control all-in-one machine, and the maintenance platform is provided with a power module, an interactive interface, a maintenance module, a communication conversion module, a host and a test module. The power module is connected with the interaction interface, the maintenance module and the host. The communication conversion module is provided with a plurality of conversion interfaces of different specifications, and each interface is provided with a plurality of protocols and can be connected with the combiner box measurement and control all-in-one machine and convert signals of the combiner box measurement and control all-in-one machine into target signals. The host is connected with the communication conversion module through the conversion interface, and the interaction interface and the test module are connected with the host. The components are integrated on the maintenance platform, various testing and maintenance functions are integrated, and the operation process is greatly simplified; the platform design gives consideration to operation convenience, so that technicians can complete the whole process from fault diagnosis to maintenance on a unified interface.

The invention relates to a polarization and depolarization micro-current debugging device, which comprises a picoammeter body, a connecting cable, a mounting assembly and a fixing assembly, one end of the connecting cable is electrically connected with the picoammeter body, the other end of the connecting cable is fixed on the mounting assembly, and the mounting assembly is used for fixing the end of the connecting cable; one end of the fixing assembly is detachably fixed on the mounting assembly, and the fixing assembly is used for fixing a connecting cable on a placement plane. Compared with the prior art, the electrode wire is fixed on the placement plane by adopting the fixing assembly, so that technicians can conveniently operate the electrode wire, the electrode wire is stably placed on an uneven or vibrating plane, and the measurement is not influenced by operating other instruments, external strong wind or accidentally touching the electrode wire; therefore, the test efficiency and the safety are improved.

When the time for periodic control unit replacement arrives, the replacement control unit installed in advance takes over the settings of the control unit before replacement, and the purpose is to automatically switch over without the work of a maintenance technician. [Solution] An electronic safety device for an elevator, characterized by comprising a first control unit that monitors the operating status and presence or absence of abnormalities of the elevator car; a second control unit that has the same functions as the first control unit and is activated when the power supply and connection signal are switched from the first control unit by a switching command; a power-on time measurement unit that measures the power-on time of the first control unit; a memory unit that reads out and stores the setting information of the first control unit after the power-on time measurement unit measures the reference time of the first control unit; and after being stored in the memory unit, writes the setting information stored in the memory unit to the second control unit after switching to the second control unit by a switching command output from the switching control unit.