302results about How to "Reduce misuse" patented technology

The invention discloses a multi-modal data processing method, a household appliance and a control method and system of the household appliance. The method comprises the following steps: acquiring multi-modal data; wherein the multi-modal data at least comprises at least one of text data, image data and voice data, and sensor data; the sensor data is acquired by a sensor corresponding to the household appliance; and carrying out data fusion on the multi-modal data by utilizing at least two fusion modes to obtain multi-modal fusion data with a unified semantic space. Through the above mode, effective fusion of multi-modal data in the field of household appliances can be realized, data islands can be broken, further, accurate alignment of different modal data in a unified semantic space can be realized, and the understanding ability of a large language model can be effectively improved after the multi-modal fusion data is input into the large language model.

The invention relates to the technical field of brain-computer interfaces, and discloses a multi-interface fusion dynamic brain-computer interaction method based on frequency phase information multiplexing and a terminal. Based on an offline electroencephalogram experiment of a user, the most brain electrical stimulation classification number U of the user for achieving the optimal electroencephalogram stimulation classification effect, frequency-phase information of the brain electrical stimulation of the U classification and a first corresponding relation between the brain electrical stimulation of the U classification and electroencephalogram signal characteristics are obtained, and an interactive interface after multi-interface fusion is dynamically partitioned; the method comprises the following steps: acquiring Z sub-regions and brain control instructions included in each sub-region, distributing frequency-phase information of U-class brain electrical stimulation to each brain control instruction, acquiring brain electrical stimulation classification based on a first corresponding relation on the basis of brain electrical signal characteristics induced by a flicker rule of brain electrical stimulation corresponding to a certain brain control instruction when a user watches the brain control instruction, and determining a sub-region based on the user sight drop point coordinate, and outputting a brain control instruction in combination with the brain electrical stimulation classification and the determined sub-region. According to the invention, the brain-computer interaction work efficiency can be improved.

The invention provides a method and device for refreshing a web page. The method comprises a step of displaying a web page, a step of obtaining a refreshing instruction corresponding to the web page,wherein the refreshing indication is used for instructing to reload the web page, and a step of displaying a prompt pop-up window if the need of emitting reminding is determined according to the typeof the web page after obtaining the refreshing indication, wherein the prompt pop-up window includes reminding information used for reminding whether to confirm the reloading of the above web page. According to the technical scheme provided by the embodiment of the invention, the operation of erroneously executing the refreshing of the web page can be effectively avoided, and misoperations are reduced.

The invention relates to the technical field of intelligent power grid control, and discloses an intelligent power grid control system and method based on gesture interaction, and the system comprises a multi-modal data collection and preprocessing module which is used for collecting gesture data of a user, including images, radar and inertial measurement unit data, the gesture data acquisition module is used for acquiring gesture data of a user, filtering, denoising and normalizing the acquired gesture data of the user, and transmitting the processed data to the multi-modal data synchronization and alignment module; and the multi-modal data synchronization and alignment module refers to the output data of the multi-modal data acquisition and preprocessing module, and performs time and space alignment on the multi-modal data through a timestamp synchronization and space calibration technology. According to the method, features of the image, the radar and the inertial measurement unit are subjected to weighted fusion to realize efficient integration of multi-modal information, so that the gesture recognition precision of the system in a complex and variable environment is remarkably improved, and the robustness and the recognition stability of the system are enhanced.

The invention discloses a bioreactor process optimization system and method, and relates to the technical field of bioreactors. Comprising the following steps: collecting historical reaction process data of a bioreactor, and obtaining real-time reaction process data of the bioreactor; analyzing the historical reaction process data to obtain different influence results of different adjustment modes on the biological reaction process; establishing a cell culture model according to a corresponding relation obtained by different influence results of different adjustment modes on the biological reaction process; the real-time reaction process data is obtained, the biological culture process is influenced by adjusting the bioreactor, the specific adjustment mode is obtained through the real-time reaction process data and the required adjustment result, the required adjustment result can be obtained after the reaction in the adjustment mode obtained through backstepping, hysteresis is avoided, materials are saved, and the efficiency is improved. And the problem of poor subsequent biological reaction caused by excessive material addition, excessive design parameter adjustment and poor subsequent biological reaction due to hysteresis is also avoided.

The invention relates to the technical field of equipment control, in particular to a self-adaptive switching method and system of a current transformer. The method comprises the following steps: collecting primary side parameters and secondary side parameters of a current transformer to obtain primary side collection parameters of the current transformer and secondary side collection parameters of the current transformer; performing current transformer state segmentation initialization according to the current transformer primary side acquisition parameters and the current transformer secondary side acquisition parameters so as to generate a current transformer operation state classification result; switching result judgment is conducted on the current transformers according to the current transformer operation state classification result, and when the current transformer operation state classification result is a current transformer critical state section, parallel buffering is conducted on the current transformers, and critical current transformer switching data are generated. According to the invention, through accurate state classification, a dynamic switching mechanism, time sequence optimization and visual display, the switching sensitivity and stability of the current transformer are improved.

The invention discloses a three-position switch operating mechanism and a breaker manual operation locking device, and is characterized in that the three-position switch operating mechanism comprises a three-position operating mechanism which is provided with a program lock; on the program lock, pressing or releasing of an interlocking rod is controlled through a lock plate to limit or not limit an operation hole sliding door plate; the tail end of the interlocking rod is connected with the adjusting block; the adjusting block is connected with the end of the connecting pull rod; the connecting pull rod penetrates through a reset spring, and the state of the interlocking rod is reset through the reset spring when the program lock is unlocked. An interlocking connecting plate is arranged at the lower end of the connecting pull rod; a closing locking sliding plate and an opening locking sliding plate are symmetrically arranged on the interlocking connecting plate; the closing and locking slide plate is arranged on the circuit breaker support plate through a first guide structure; the opening locking slide plate is arranged on the circuit breaker support plate through a second guide structure. The closing locking slide plate is provided with a closing baffle plate used for blocking or releasing the closing button. The opening locking slide plate is provided with an opening baffle plate used for blocking or releasing the opening button. According to the invention, the program lock is adopted to connect the manual operation functions of the vacuum circuit breaker and the three-position switch together to allow or prohibit operation, padlocks are reduced, the program lock can realize more interlocking functions at the same time, the higher safety operation requirements of customers are better met, and the possibility of misoperation of the switch cabinet is reduced. Functions can be realized by adding a small number of parts on the basis of the original three-position operating mechanism and circuit breaker, the cost is low, and the function is reliable.

The utility model relates to the technical field of safety door locks, in particular to a manual safety door lock unlocking device and a safety door lock, which comprise a stopper, a lock hook and a stopper seat, and the stopper is fixed on the front surface of the stopper seat; a lock hook is rotatably arranged in front of the base; the gear is rotatably arranged behind the base, and the gear is fixed with the handle part of the lock hook through a shaft body; the first guide block is arranged behind the base, the toothed bar movably penetrates through the first guide block, the toothed bar is meshed with the gear, an unlocking rod is arranged on the toothed bar, and an unlocking groove is formed in the base; and the locking mechanism is used for selectively and relatively fixing the toothed bar and the base. The relative fixing state between the toothed bar and the base is relieved through the locking mechanism, then the unlocking rod moves downwards to drive the toothed bar to drive the gear to rotate, and therefore the handle portion of the lock hook rotates on the front face of the base around the axis of the gear, and the lock hook is gradually disengaged from the clamping state of the lock catch. And the probability of misoperation is effectively reduced in the whole unlocking process.

The invention belongs to the technical field of sintering pallet fat liquoring, and particularly relates to a sintering pallet fat liquoring machine and a control method and a control system thereof, the sintering pallet fat liquoring machine comprises a follow-up car which is used for running in parallel with a sintering pallet and can run in a reciprocating mode, and an oil injection module is installed on the follow-up car; the control method comprises the following steps: S1, the positioning rudder is standby; s2, wheels of the sintering pallet are captured; s3, the follow-up car follows; s4, the oil injection gun is operated; s5, oil injection; s6, the oil injection gun is separated; and S7, resetting the positioning rudder. According to the automatic grease adding device, automatic grease adding and lubrication of the wheels of the sintering pallet in time under the non-stop state are achieved, the sintering efficiency is improved, manpower is liberated, normal operation of the sintering pallet is guaranteed, and the automatic grease adding device has very important significance for solving the grease adding problem of an existing pallet.

The embodiment of the invention discloses a tactile feedback method and device, terminal equipment and a storage medium, which are used for timely responding to a pressing operation of a user on a side key, carrying out tactile feedback and reducing the probability of misoperation. The method provided by the embodiment of the invention comprises the following steps: in response to a pressing operation of a user on a side key of the terminal equipment, obtaining pressing data; determining a current vibration sensing waveform corresponding to a current application scene of the terminal equipment and the pressing data, wherein different application scenes and different pressing data correspond to different vibration sensing waveforms; and performing tactile feedback on the pressing operation according to the current vibration sensing waveform.

The utility model discloses a push-pull type writing pen which comprises a pen holder and a pen core, the pen core is arranged in the pen holder, and a pen point of the pen core extends out of the pen holder. The push-pull type writing pen further comprises a sealing assembly, the sealing assembly comprises a sleeve and a sealing piece, an opening is formed in one end of the sleeve, a turnover sealing part is arranged on the sealing piece, the sealing piece is located in the sleeve, and the sealing part is configured to open and close the opening. Wherein the sealing piece is arranged outside the pen holder, and the sleeve is arranged outside the pen holder in a sleeving mode and can slide on the pen holder; the sleeve is configured to slide on the pen holder to drive the sealing component to turn over so as to open and close the opening. Misoperation is reduced, so that the use experience and safety of a user are improved.

The invention relates to the technical field of fire-fighting communication, and discloses a fire-fighting emergency communication method and system, and the method comprises the steps: obtaining a communication request initiated by each communication sub-terminal, and receiving the communication request of the communication sub-terminal through a communication terminal; if at least one of the communication terminals is in an idle state currently, communication is established with the communication terminals in sequence according to the time sequence of the communication requests initiated by the communication sub-terminals by selecting communication channels arranged between the communication sub-terminals and the communication terminals; if the communication terminals are all in busy states at present, performing queue sorting according to the communication priorities of the communication sub-terminals to perform communication connection; and regularly carrying out communication quality inspection on the communication terminal and the communication sub-terminal. According to the method, a better communication effect at two ends can be ensured, the overall efficiency of emergency response is improved, the most important communication request can be preferentially processed through priority ranking, the overall communication response speed is increased, and the resource utilization rate of the overall system is improved.

The invention discloses a voice interaction control method and a voice interaction control system for ear-nose-throat operation power equipment. The voice interaction control method comprises the following steps: S1, acquiring voice data; s2, recognizing the voice data and analyzing the voice data into a control instruction, wherein the control instruction comprises at least one of an operation mode instruction, a motor rotating speed instruction or a steering control instruction; s3, synthesizing instruction confirmation voice according to the control instruction, and playing and outputting the instruction confirmation voice; and S4, setting operation parameters of the power equipment according to the control instruction. The ear-nose-throat operation power equipment is controlled by adopting a voice interaction control method, a surgeon can regulate and control the operation parameters of the equipment by himself / herself according to actual requirements, nurses in an operating room do not need to be matched with manual setting, misoperation of information transmission is reduced, and the operation efficiency is improved. Fine parameter adjustment can increase the degree of freedom of surgery operation of doctors, the doctors concentrate on completing various high-difficulty surgeries, errors caused by manual setting are reduced, and the safety of the surgeries is greatly improved.

The invention provides a self-moving cleaning equipment control method and equipment, and relates to the field of intelligent robots. The method comprises the steps that in the process that the self-moving cleaning equipment executes a cleaning task, after an obstacle is recognized and determined as a wire harness obstacle, a wire harness obstacle image is obtained; determining position coordinates of the wiring harness in the image, and avoiding a wiring harness obstacle based on the position coordinates; determining the position coordinates of the wire harness in the image: determining a wire harness adjacent area of the image, determining a connecting line between the position coordinates of each pixel point in the wire harness adjacent area and the position coordinates of the wire harness obstacle, and determining the position coordinates of the wire harness obstacle based on the connecting line; the area adjacent to the wire harness at least comprises an enveloping area of a wire harness obstacle; thus, accurate position calculation is carried out through the connecting wire, the accuracy of wire harness obstacle position recognition is improved, faults and damage of equipment caused by wire harness winding or pulling are reduced by avoiding wire harness obstacles, and the safety and reliability of the equipment are improved.

The embodiment of the invention provides a diagnosis event processing method and device, a storage medium and an electronic device.The method comprises the steps that under the condition that a monitor on a target operating system partition monitors a first diagnosis event, jitter removal processing is conducted on the first diagnosis event till whether the first diagnosis event is a fault event or not is judged, the target operating system partition is an operating system partition corresponding to a target monitored object of a vehicle system of the current vehicle, the first diagnosis event is used for describing that the target monitored object is diagnosed to have a fault, and the target operating system partition runs on a target satellite core in a multi-core processor of the current vehicle; when it is judged that the first diagnosis event is the fault event, the first diagnosis event is reported to the main core in the multi-core processor through the target operating system partition, and the problem that in the prior art, according to a diagnosis event processing method, due to the fact that the event processing efficiency is low, the reliability of vehicle running is low is solved.

The invention provides a train virtual marshalling working diagram determination method and device, equipment and a storage medium, and relates to the technical field of rail transit. The method comprises the following steps: determining train information of each train with the same turn-back relation based on turn-back relation information in an initial working diagram; wherein the running lines of the trains with the same turn-back relation are the same; based on the train information of each train, determining a first train and a second train in a virtual coupling state; and updating the train information of the first train and the train information of the second train in the initial working diagram based on the coupling information determined by the virtual coupling state, and determining a coupling working diagram. According to the method, the operation condition under the virtual coupling condition can be accurately described, so that scheduling personnel can efficiently manage the operation of the virtual coupling train.

The invention discloses an automatic pre-operation frame calling system based on artificial intelligence, which relates to the technical field of medical instruments and comprises an image acquisition module, an image processing module, a bleeding detection module, a frame calling logic module and a user interface module, the image acquisition module is used for acquiring operation image data of a patient in real time in the endoscopic operation process, real-time image signals in an operation scene are acquired and transmitted through a high-definition camera or related medical imaging equipment, and the image acquisition module is connected with the image processing module. A clear operation view can be obtained without manual operation of a doctor, the burden of the doctor is reduced, the operation process is simplified, and the operation accuracy is improved.

The invention provides a converter multi-source heterogeneous data model generation system and method for predicting temperature. The system comprises an input terminal, a processing terminal and a display device. The method is mainly applied to furnace condition simulation in the steelmaking process, and real-time simulation of carbon content and temperature in a converter is completed through the model, so that the purpose of real-time monitoring of the furnace condition is achieved. According to the system, through acquisition and learning of an audio slagging module, a flue gas analysis module, a furnace mouth flame module and a primary module of a converter device, abnormal evaluation rule models of audio data, flue gas data and furnace mouth flame are established respectively, and finally, the various models are fused through a machine learning algorithm in combination with a converter process mechanism model. And finally, a fusion model is formed to achieve the purpose of simulating furnace conditions in real time. According to the system, the real-time performance of steelmaking control is accelerated, and misoperation caused by cooperation of multiple persons is reduced.

The invention discloses a postoperative intelligent monitoring system for gastrointestinal tumor patients, particularly relates to the technical field of postoperative monitoring, and is used for solving the problem that a nonlinear mode in data cannot be effectively identified when facing high-dimensional and complex wound image data in the prior art. By deploying an ambient light sensor and an automatic exposure adjustment technology, it is ensured that a wound image can keep high quality under various illumination conditions, rich local and global features are extracted from the wound image, and a detailed data basis is provided for deep learning analysis; the chaos theory analysis module evaluates the complexity of the features by using a chaos theory model, and effectively screens out data which is high in complexity and needs to be deeply analyzed; the convolutional network classification module uses a convolutional neural network to accurately identify and classify different healing stages and infection signs of the wound; and the model calibration feedback module continuously calibrates and optimizes the model through historical healing data, so that the self-updating capability and the long-term operation accuracy of the system are guaranteed.

The invention provides an intelligent pressure plate and a pressure plate upper and lower port ground voltage acquisition system. The intelligent pressure plate comprises a pressure plate main body and a rotatable upper cover arranged at the top of the pressure plate main body; wherein the rotatable upper cover is used for enabling the intelligent pressing plate to be switched between an input state and an exit state; the pressing plate main body is provided with a voltage isolation acquisition module isolated from a pressing plate main loop, and the voltage isolation acquisition module is used for acquiring voltage-to-ground signals of an upper port and a lower port of the intelligent pressing plate under the assistance of the rotatable upper cover when the intelligent pressing plate is in a quit state, and sending the voltage-to-ground signals of the upper port and the lower port to the intelligent pressing plate manager for storage, display and analysis. According to the invention, the workload of operating the pressing plate and measuring the voltage to ground of the upper and lower ports of the pressing plate by field staff can be reduced, the misoperation phenomenon is reduced, and the reliability of the acquisition process of the voltage to ground of the upper and lower ports of the pressing plate is improved.

The invention discloses an intelligent quality control method and system for a medical linear accelerator, and the method comprises the steps: collecting an image in a quality control operation range of the medical linear accelerator in a treatment room; identifying the quality control equipment in the image and the field arrangement information of the quality control equipment through a quality control equipment identification model, comparing with a radiotherapy plan output by a radiotherapy plan system, and determining whether the field arrangement information of the quality control equipment meets the requirement of the radiotherapy plan; and based on dialogue type interaction mode communication, reminding the user of the next operation specification according to the quality control requirements and the quality control steps, and reminding and confirming the user operation according to the comparison information of the quality control system. Based on artificial intelligence and a large language model, the quality control equipment identification model can intelligently identify the types and placement positions of various quality control equipment in the quality control operation, confirm whether the field arrangement information of the quality control equipment meets the requirements of a radiotherapy plan, and provide a basis for orderly and correct quality control work.

The invention relates to the technical field of silver contact production, in particular to special-shaped silver contact continuous cold heading equipment which comprises a rack, and the rack comprises a first mounting plate and a second mounting plate; a stamping assembly is arranged on the first mounting plate, and a plurality of stamping heads are arranged on the stamping assembly; a feeding port, a transverse moving plate and a plurality of molds are arranged on the second mounting plate, a plurality of clamping assemblies are arranged on the transverse moving plate, and through cooperation of the transverse moving plate and the multiple clamping assemblies, the equipment can complete different procedures of multiple silver contact blanks at the same time, the production efficiency is remarkably improved, the clamping assemblies and the transverse moving plate move synchronously, and the production efficiency is improved. According to the silver contact blank conveying device, precise conveying of silver contact blanks among the dies is guaranteed, positioning errors possibly generated in traditional chain plate type conveying are avoided, and therefore the machining precision is improved, the clamping assembly loosens a workpiece in the stamping process, direct contact between a stamping head and the clamping assembly is effectively avoided, abrasion of the stamping head is reduced, and the service life of the device is prolonged.

The utility model relates to an electric tool which comprises a machine shell, a motor assembly installed on the machine shell, a transmission assembly connected to the motor assembly and a control circuit board controlling the motor assembly, and the machine shell comprises a main body part extending in the left-right direction and a holding part connected to the lower side of the main body part; the electric tool comprises a first switch assembly and a second switch assembly which are connected to the control circuit board, the first switch assembly is installed on the holding part and provided with a trigger for a user to operate, and the second switch assembly is arranged on the main body part and provided with an operation button for the user to operate. The operation button and the trigger are located on the two sides of the holding part. The control circuit board receives a first trigger signal from the first switch assembly and a second trigger signal from the second switch assembly so as to start the motor assembly. The electric tool is high in safety and comfortable to operate.

The invention relates to the technical field of valve control, in particular to a method and device for controlling a valve through an automatic hydraulic system. The hydraulic cylinder is mounted on one side of the valve and used for controlling the valve; the valve plate is installed at the output end of the hydraulic cylinder and used for making contact with and controlling opening and closing of the valve. The PLC control system is installed on the valve and used for automatically controlling the hydraulic cylinder through a sensor. The valve has the beneficial effects that the closing performance is good, leakage is not prone to occurring, the automation degree is high, the control precision of the valve is improved, the control function is complete, the opening degree of the valve can be accurately controlled, the operation impact is small, the valve plate is slowly opened and stopped, the rest is high in speed, equipment impact is reduced, the service life of equipment is prolonged, and waste is small; leakage pollution and waste are reduced through automatic detection.

The invention relates to the technical field of voice recognition, in particular to a vehicle voice recognition method and system, and the method comprises the steps: collecting voice data in a cab through a sound pickup, and recording the voice data as initial voice data; detecting and analyzing the initial voice data by using a VAD algorithm, and identifying voice frames in the initial voice data; analyzing each voice frame to obtain defect voice data; repairing the defective voice data, and recording the defective voice data as corrected voice data; evaluating a restoration result based on the corrected voice data; by analyzing the defective voice data and generating the corrected voice data, the system can optimize the recognition result and reduce the risk of misoperation, and meanwhile, by judging the accuracy of the corrected voice data, whether to directly execute an instruction or return confirmation can be intelligently determined, the user experience and the operation safety are improved, and the user experience is improved. According to the method, improper operation caused by voice recognition errors can be reduced, and particularly in the driving process, safety can be better guaranteed.

The invention provides an AI fool-proof method and system, and relates to the technical field of fool-proof control. Real-time operation data are combined, a primary fool-proof monitoring model is used for intervening obvious misoperation behaviors, a current operation behavior sequence and a historical operation behavior sequence are combined, an advanced fool-proof monitoring model is used, and the fool-proof control of the AI fool-proof system is achieved. And particularly, the advanced fool-proof monitoring model adopts deep learning technologies such as a long short-term memory network and the like, so that a complex mode in a time sequence can be captured, and the accuracy of misoperation prediction is improved. According to the method, the judgment on the current misoperation behavior is improved, the misoperation behavior possibly occurring in the future can be predicted, early warning is achieved, the probability of misoperation occurrence is reduced, multi-level safety guarantee is provided through the mode that primary intervention and advanced intervention are combined, and the primary intervention and the advanced intervention supplement each other and act together to reduce the misoperation risk.

The invention provides a calculation method for processing a mobile item touch area based on UnreaIEngine, and relates to the technical field of intelligent interaction systems and self-adaptive computation.The calculation method comprises a touch area processing system, and when the calculation method for processing the mobile item touch area based on UnreaIEngine is achieved, processing, controlling and adjusting are conducted through the touch area processing system. The touch area processing system comprises a viewport information acquisition module, a UI information processing module, a touch area control module, an adaptive spatial perception optimization module, a spatial-temporal dynamic modeling module, a super-resolution touch area reconstruction module, a multichannel optimization coexistence module and a curved screen mistaken touch intelligent protection module. According to the mobile item touch area processing and calculating method based on Unreal Engine, the problems of accuracy and flexibility of viewport information acquisition and UI (User Interface) information processing are effectively solved.

The invention discloses a manual rotating structure and method for an electric rotating seat and a child safety seat, the manual rotating structure comprises a base, a rotating disc, an electric rotating driving assembly and a locking assembly, a plurality of locking holes are formed in the circumferential direction of the rotating disc, and the electric rotating driving assembly is suitable for driving the rotating disc to electrically rotate relative to the base; the locking assembly comprises a base, a lock pin, an electric unlocking assembly and a manual unlocking assembly, the lock pin, the electric unlocking assembly and the manual unlocking assembly are all movably connected with the base, one of the multiple locking holes is suitable for being matched with the lock pin to fix the relative position of the rotating disc and the base, and the electric unlocking assembly and the manual unlocking assembly are both movably connected with the lock pin; when the rotating disc needs to be manually rotated, the electric unlocking assembly or the manual unlocking assembly is used for driving the lock pin to be separated from the locking hole, and at the moment, a user can push the rotating disc to manually rotate relative to the base with the hand. A user can select an electric or manual mode to unlock the lock pin according to actual requirements, rotation of the rotating disc is achieved, and the operation flexibility of the seat is improved.

The invention belongs to the technical field of pipeline defect marking, and particularly relates to a laser marker suitable for internal positioning of a pressure pipeline and a marking method of the laser marker. The device mainly comprises a laser lamp, the laser lamp is arranged on a laser lamp guide rail, a wireless control assembly is arranged on the laser lamp guide rail, and the laser lamp is connected with the wireless control assembly. The laser lamp is placed below the welding position of the pressure pipeline, and the laser lamp is controlled by the wireless control assembly to move along the laser lamp guide rail, so that the laser lamp can project all positions of a pipeline welding seam and record the initial position of a defect on the welding seam. Wherein the laser lamp can excite light rays with different colors according to different circumferential welds and longitudinal welds. According to the marker and the marking method, point location data are recorded in a laser projection mode, and the marker and the marking method have the advantages that data are accurate, multiple point locations are recorded, and recorded data are not affected by working conditions of the pressure steel pipe. And for the pressure steel pipe with the diameter of more than 3m, the working procedure of building a scaffold can be omitted.

The invention discloses a multi-path power supply incoming line operation locking method based on a spare power automatic switching device. The method comprises the steps of signal acquisition, switching-on locking condition judgment, spare power automatic switching device logic judgment, operation execution of a control unit, switching-on permission condition output and the like. By collecting digital quantity and analog quantity signals, closing and locking conditions are strictly judged, and an operation mode is determined by utilizing a logic judgment algorithm. Signal processing adopts a digital filtering algorithm to improve accuracy. And the control unit executes operation and feeds back according to the judgment result. The switching-on permission condition output node is connected in series with a switching-on loop to prevent misoperation. The method improves the operation reliability and response speed, prevents misoperation, and enhances the safety and stability of a power system.