15 results about "Maintenance testing" patented technology

A method for maintaining a test table (2) using a maintenance unit (4) is described, wherein the test table (2) has a surface (6) with at least one test module (8) for connecting and testing a cable set, wherein the maintenance unit (4) has a sensor unit (10) positioned above the surface (6), wherein the maintenance unit (4) uses the sensor unit (10) to detect the test module (8) and determine its current state, wherein the maintenance unit (10) determines an ID of the test module (8), wherein the maintenance unit (4) uses the ID to retrieve a target state for the test module (8) from a database (14), wherein the maintenance unit (4) compares the current state with the target state and automatically performs a maintenance action for the test module (8) based on the comparison. A corresponding maintenance unit (4) is further described.

This invention belongs to the field of power communication technology, specifically disclosing a portable power communication operation and maintenance device, including a housing and an operation and maintenance testing component. The housing has a window on its front side, a side panel installed at the window, and a window opener connected to the side panel. The side panel is fixed to the housing by a latch. The bottom of the housing has an upward-facing groove, within which two L-shaped flip frames are symmetrically installed. A wheel is installed at one right-angled end of each flip frame, and a support leg is installed at the other right-angled end. A synchronous flipping drive component connected to the two flip frames is located within the groove. The operation and maintenance testing component is installed inside the housing. This device can perform efficient operation and maintenance testing of power communication facilities, effectively meeting the practical needs of efficient, convenient, and flexible power communication operation and maintenance work, and effectively solving the technical problems of inconvenient installation and debugging, low operation and maintenance efficiency, heavy operational burden, and reduced portability of existing technologies.

The invention relates to the technical field of software testing, in particular to a test case recommendation method, system and equipment. The method comprises the following steps: comparing a to-be-tested version code of a target application with a previous version code to obtain a difference code; inputting the difference code into a trained AI model to indicate the AI model to output an optimal test case suitable for the difference code according to the difference code and a pre-constructed knowledge base; wherein the knowledge base is obtained in the following mode: obtaining coverage rate data obtained based on the target test case, taking the target test case as a historical test case, associating the target test case with the corresponding coverage rate data, and storing the target test case in the knowledge base. Therefore, the problems that in the prior art, the test case maintenance cost is high, and the designed test case code coverage rate is low can be effectively solved.

The utility model relates to the technical field of radar maintenance testing, in particular to a radar maintenance testing platform servo load structure which comprises a base, a second gear is installed and connected on the left portion of the upper end of the base, a first gear is installed and connected on the right portion of the upper end of the base, and the second gear and the first gear are connected in a meshed mode. The upper end of the base is fixedly connected with a protection device, the protection device is located outside the second gear and the first gear, the protection device does not make contact with the second gear and the first gear, and the upper end of the second gear is fixedly connected with a clamping device. According to the radar maintenance test platform servo load structure, the clamping device is arranged, the radar is placed on the maintenance platform, the second motor is started to work, the two-way threaded rod is driven by the second motor to rotate, the two clamping plates in threaded connection with the two-way threaded rod are close to each other and clamp the radar together, and displacement of the radar during maintenance is avoided.

The application provides a waveform extraction-based remote simulation demonstration system and method, and belongs to the field of remote operation and maintenance testing; solves the problem that the transmission efficiency of the recording wave file is low and the real-time performance is poor when a new power system is tested on site, so that distributed remote simulation testing cannot be realized; the system comprises a real-time digital simulation system, a recording wave device, a control host, a wireless communication network and multiple demonstration devices, wherein the real-time digital simulation system is used for constructing a fault model of a field primary system and converting the fault model into a fault simulation signal output; the recording wave device stores the fault simulation signal output as a recording wave file, extracts fault information based on time domain analysis, extracts electrical quantity characteristic signals of the recording wave file based on multi-algorithm fusion, and forms executable text of a state sequence, so that a numerical simulation test signal is obtained; the control host is used for realizing transmission of the simulation test signal through the wireless communication network according to a mapping relationship between the recording wave file and the demonstration devices; and the application is applied to remote simulation.

The utility model provides a kind of transformer maintenance detection equipment, including sealing disc, measuring rod and clamping mechanism.Use, by the sealing disc cover is established in oil tank pipe orifice top, then through drive assembly drive multiple sets of clamping claw folding rotation, multiple sets of clamping claw folding rotation can be clamped oil tank pipe orifice, to fix sealing disc on oil tank pipe orifice, and make sealing disc and oil tank pipe orifice coaxial, fixed sealing disc is convenient, and it is convenient to clamp different size oil tank pipe orifice, then the measuring rod passes through through-hole and inserts into oil tank can make measuring rod keep vertical state and detect oil level, improve the accuracy of oil level detection, and the setting of sealing disc effectively reduces the gap between measuring rod and oil tank pipe orifice, to effectively avoid that foreign matter enters oil tank.

The invention provides a handheld portable intelligent secondary maintenance testing device and method. The handheld portable intelligent secondary maintenance testing device comprises a core control module, a multi-parameter measurement module, a safety interlocking module, a man-machine interaction module, a communication module and an energy management module. The core control module is used for realizing real-time interaction with other modules and simultaneously processing multiple paths of synchronous measurement data in parallel; the multi-parameter measurement module is used for realizing acquisition and measurement of direct-current resistance, alternating-current and direct-current voltage, insulation resistance and switching value; the safety interlocking module is used for monitoring and measuring the voltage and current states of the loop in real time and directly cutting off the power supply loop of the multi-parameter measuring module when a dangerous state is detected; the communication module is used for realizing data transmission and remote control; the man-machine interaction module is used for realizing man-machine interaction; the energy management module is used for providing an isolation power supply for all the modules and supports multiple charging modes. The problems that a traditional secondary maintenance device is high in safety risk, low in operation efficiency, disordered in data management and insufficient in environmental adaptability are solved.

The invention discloses maintenance and test equipment for emergency lifesaving communication equipment. The maintenance and test equipment comprises a shell assembly; the panel assembly is connected with the shell assembly in a turnover manner; the testing assembly comprises a fixing seat assembly and a connecting assembly, the fixing seat assembly is installed in the shell assembly, a positioning column is arranged in the fixing seat assembly and used for positioning a module to be tested, and the connecting assembly is located on the lower side of the fixing seat assembly and used for being connected with the module to be tested. The device has the beneficial effects that the design is convenient, the detection of a plurality of modules can be completed at one time, the test efficiency is improved, the integrated setting is realized, and the test operation is simple and reliable.

The invention discloses an operation and maintenance test method and system of an unmanned vehicle-mounted system, and belongs to the technical field of operation and maintenance test of the unmanned vehicle-mounted system, and the system comprises a state acquisition module, an analysis module and an unmanned test module. The state acquisition module is used for acquiring state data of the unmanned vehicle-mounted system in real time; the analysis module is used for analyzing the state data to obtain a unit evaluation result of each unit target; the unmanned test module is used for carrying out an unmanned test when a user has an unmanned driving demand, identifying a driving route, obtaining route information of the driving route, and generating a route information graph according to the driving route and the route information; correcting the unit evaluation result corresponding to each route area in the driving route according to the route information graph, determining an unmanned driving evaluation result of the route area according to the corrected unit evaluation result, supplementing the unmanned driving evaluation result into the route information graph, and displaying the route information graph to a user.

The utility model relates to the field of concrete curing, and discloses a concrete curing testing device, which comprises a placement cage, a cover locking piece and a curing piece, wherein a storage area for storing test blocks is arranged in the placement cage; the cover locking piece is arranged at the top of the containing cage, the first end of the cover locking piece is rotationally connected with the containing cage, and the second end of the cover locking piece is provided with a lock catch piece capable of being selectively connected with the containing cage. A monitor and an inductor are arranged in the middle of the cover locking piece, the inductor is used for acquiring the temperature and humidity states of the test block and sending the temperature and humidity states of the test block to the monitor, and the monitor is used for setting maintenance conditions and controlling the maintenance piece to maintain the test block; the maintenance piece comprises a water storage bottle fixed to the placement cage, and the water storage bottle is provided with a spraying head; according to the utility model, the test block can be protected through the locking fastener, and meanwhile, the condition of the test block is monitored through the sensor, so that the monitor can conveniently adjust the maintenance scheme of the maintenance piece on the test block, and the test block can more accurately display the maintenance effect of concrete.

The invention relates to the technical field of electric power system operation and maintenance testing, in particular to a method, a system and a device for an up-current-free test of an electronic transformer acquisition unit, and the method comprises the steps: obtaining an analog quantity reference signal outputted by standard test signal generation equipment, and constructing an electromagnetic interference suppression and signal conditioning model; common-mode interference stripping and waveform reconstruction are carried out on analog quantity reference signals through the electromagnetic interference suppression and signal conditioning model, and a pure fundamental wave signal sequence is obtained; and triggering a protocol feature recognition logic based on the access state of the physical port, calling a preset protocol feature code library, and constructing a protocol layer interactive verification link. The method has the advantages that common-mode interference stripping and waveform reconstruction of analog quantity reference signals are achieved, a pure fundamental wave signal sequence is obtained, current rising operation limitation is avoided, the test scene building difficulty is lowered, and the signal distortion influence in the test process is reduced.

The invention relates to the technical field of equipment maintenance testing, in particular to a predictive maintenance system and method based on equipment real-time health status perception, the system collects equipment multi-dimensional data in real time through a data perception module, and the system intelligently processes the equipment multi-dimensional data through an intelligent processing module. The system also obtains the equipment performance through a fault recognition module, and the system also outputs a replacement instruction through a prediction optimization module and carries out feedback optimization. According to the invention, the multi-dimensional data of the equipment is collected, and the fault identification and prediction are carried out on the target equipment according to the multi-dimensional data of the equipment, so that the health state of the target equipment can be comprehensively sensed in real time, and the system maintenance is carried out in time, thereby improving the timeliness, comprehensiveness and accuracy of the health sensing and system maintenance of the target equipment.

The application relates to a distributed power unmanned aerial vehicle control system and a control method, belongs to the technical field of unmanned aerial vehicle flight controls, and solves the problems of large noise, limited computing power and peripheral interface, and weak anti-interference capability in the prior art, and comprises a control module, the control module comprises a PS end and a PL end; the PL end comprises a data synthesis and instruction analysis module, an inertial navigation and GPS data acquisition module, a motor feedback signal acquisition module and corresponding interface modules, and has data acquisition, data communication and peripheral interface functions; the PS end comprises a double-core structure, comprises a flight control algorithm module with a flight control function and a motor control algorithm module with a FOC vector control algorithm function; and a maintenance test module, a remote control and telemetry module, a load system module, a combined inertial navigation module, a GPS module and a power system in communication with the control module.

The utility model provides a maintenance testing device for a numerical control machine tool, and relates to the technical field of numerical control machine tools. The maintenance testing device for the numerical control machine tool comprises a testing device body, a connecting supporting mechanism is arranged below the testing device body, ventilation mechanisms used for conducting ventilation and heat dissipation on the interior of the device are arranged on the two sides of the testing device body, and each ventilation mechanism comprises a connecting plate and a limiting block. The connecting plates are fixedly installed on the two sides of the testing device body, and the limiting blocks are connected to the surfaces of the inner walls of the connecting plates in a sliding mode. According to the overhauling and testing device for the numerical control machine tool, the ventilation mechanism is arranged, so that the problems that the maintenance efficiency of the overhauling and testing device is influenced to a certain extent, the downtime of equipment is increased and the production continuity is not facilitated due to the fact that a dust screen dismounting mode of an existing overhauling and testing device is relatively tedious, the operation steps are more, and time and labor are consumed are solved; the beneficial effects that the filter plate can be more conveniently disassembled and assembled, and the maintenance efficiency is improved are achieved.