155results about How to "Improve running quality" patented technology

The invention relates to the technical field of bearing seats, and discloses a self-lubricating dustproof bearing seat which comprises an upper end cover, a lower end cover hinged to the lower portion of the upper end cover, a self-lubricating mechanism and a dustproof sealing ring which are arranged in the upper end cover and the lower end cover, a shaft sleeve arranged in the self-lubricating mechanism, and a shaft core movably installed in the shaft sleeve and the dustproof sealing ring. The self-lubricating mechanism comprises an external backflow assembly rotationally connected to the inner wall of the upper end cover and the inner wall of the lower end cover and an internal backflow assembly rotationally connected to the outer wall of the shaft sleeve, a reasonable lubricating channel path is obtained through the arranged oil storage assembly, the movable assembly and the rolling assembly, it is ensured that a lubricating agent can evenly and smoothly reach all lubricating points, and the lubricating efficiency is improved. Lubricating oil in the oil storage cavity flows into the oil outlet pipe through the oil outlet groove and then flows into the oil guide groove, so that the contact faces of the rolling wheel and the bearing outer ring and the bearing inner ring are lubricated, and the effect of improving the overall operation quality and reliability of equipment is achieved.

The invention relates to the technical field of PLC linkage control, in particular to a multi-effect evaporator set and a PLC linkage control method thereof.The method comprises the steps that data of all kinds of evaporation parameters in all time periods in the operation process of the multi-effect evaporator set are obtained, and all parameter data sequences are formed; obtaining the standard floating stability of the evaporation parameters in each time period, and obtaining the overshoot optimization quantity and oscillation effect adjacency of the evaporation parameters in each time period; optimizing a dynamic proportion parameter, a dynamic integral parameter and a dynamic differential parameter of each evaporation parameter in the next time period based on the dynamic proportion parameter, the dynamic integral parameter and the dynamic differential parameter; and performing PLC linkage control on the multi-effect evaporator group by adopting a PID algorithm through the optimized dynamic proportion parameter, dynamic integral parameter and dynamic differential parameter. The operation state of the multi-effect evaporator can be accurately controlled.

The invention provides an automatic consumption device, method and equipment for a distributed photovoltaic transformer area and a medium. The automatic consumption device comprises a data acquisition module, a smart energy module and a control module, the data acquisition module is used for acquiring transformer area operation information of transformer area terminal equipment and sending the transformer area operation information to the smart energy module through HPLC and / or LoRa; the smart energy module is used for calculating a consumption value according to the transformer area operation information of the transformer area terminal equipment and sending the consumption value to the control module; the control module is used for sending a configuration instruction to the smart energy module according to the relation between the consumption value and the consumption threshold value, and controlling the smart energy module to adjust the operation parameters of the transformer area terminal equipment. The problem that intermittent and fluctuating power generation characteristics of distributed photovoltaic affect the electric energy quality and stability of a power grid is solved.

The present invention discloses a logistics drone task allocation method with priority division, comprising the following steps: S1, based on the geographical environment, low-altitude airspace structure, and logistics drone performance, extract the three-dimensional operation space information of the logistics drone and obtain the performance parameters of the logistics drone; S2, combining the logistics company and customer needs, obtain the transportation type, flow, flow direction, and flow time data of the logistics drone, and construct the logistics drone operation scene; S3, combining the task priority and the fairness of the logistics company, establish the logistics drone service satisfaction index; S4, with the minimum flight impedance and the maximum service satisfaction as the goal, construct a logistics drone task allocation model; S5, use the NSGA-II algorithm to solve the model, and output the optimal solution for logistics drone resource allocation. The present invention adopts the above-mentioned logistics drone task allocation method with priority division, which can realize the collaborative task allocation of multiple logistics drones, which is helpful to improve the operation efficiency and quality of logistics drones.

The invention belongs to the technical field of data processing, and provides a breeding tail water treatment method and system of rice straw modified biochar, and the method specifically comprises the following steps: firstly, arranging a flow sensor at a water inlet of a fluidized bed, reading the water inlet flow, and obtaining the aeration rate from an aeration device of the fluidized bed in real time; then, when the change rate of the water inlet flow exceeds a threshold value, self-adaptive aeration rate regulation intervention is carried out; wherein the self-adaptive aeration rate regulation intervention process comprises the following steps: constructing an aeration adaptive model through the water inlet flow and the aeration rate to obtain an adaptive pairing amount; and controlling the aeration rate according to the adaptive pairing amount. The occurrence risk of collapse of the fluidizing medium particles caused by water inlet flow change and aeration rate transition during culture tail water treatment of the fluidizing medium particles constructed by the rice straw modified biochar is dynamically quantified; fluidizing medium particles constructed by the rice straw modified charcoal are prevented from being crushed due to excessive aeration or sharp increase of water flow, and the operation quality and the service life of the fluidized bed are improved.

The invention relates to the field of charging cabinet power-off control, in particular to a power-off management method, device and equipment of a charging cabinet and a storage medium. The method comprises the following steps: collecting real-time charging state information of a charging cabinet based on multiple sensors; performing time sequence digital processing on the real-time charging state information, and performing filtering and noise reduction to obtain a noise-reduced optimized charging state data sequence; carrying out charging port state matching analysis on the noise reduction optimized charging state data sequence one by one, and carrying out charging load calculation to obtain load data of each charging port; obtaining a historical operation log of the charging cabinet; and performing user demand analysis on the historical operation log of the charging cabinet, performing deep demand trend learning, and generating a user demand trend change rule. According to the invention, the fault charging port of the charging cabinet is accurately positioned, single-point power-off processing of the fault charging port is realized, and the operation efficiency of the charging cabinet is improved.

The invention discloses a low-defect-stress SiC crystal and a SiC substrate, and belongs to the technical field of SiC material preparation. A plurality of SiC substrates are prepared from the SiC crystal, high-pass signals and low-pass signals are distinguished on the basis of the Laplacian pyramid principle, and under the high-pass signals, the overall optical path difference of any SiC substrate is lt; 6 nm, the maximum value of the optical path difference is lt; the standard deviation of the optical path difference is lt; and 3nm. The optical path difference between the SiC crystal and the SiC substrate is small and uniform under a high pass signal, the number of defects in SiC is small, stress concentration caused by in-plane defects is small, and the crystal quality of SiC is more uniform.

The invention provides a direct-acting switch transmission system integrating slow opening and slow closing functions, and the system comprises a transmission box body, and the top end of the transmission box body is provided with an insulating transmission rod; the electric repulsive force mechanism is connected with the transition connecting rod, the energy storage control assembly is connected with the electric repulsive force mechanism, the energy storage control assembly obtains opening and closing instruction trigger signals through local and remote instructions, an energy storage element discharges electricity to supply power to the electric repulsive force mechanism, and the electric repulsive force mechanism drives the transition connecting rod and the insulation transmission rod to move. Opening and closing control of the switch arc extinguish chamber is realized. By adopting a quantitative slow-opening and slow-closing integrated design and a disassembly-free mechanism body, the stress operation running-in state of parts under different position state conditions can be quantitatively and slowly observed, the opening and closing debugging precision of the switch, the equipment reliability and the environmental protection economy are improved, the operation is basically free of maintenance, the low assembly test efficiency caused by repeated disassembly is reduced, and the cost is reduced. Frequent operation of the switch is facilitated, and safe and stable operation of equipment and a power grid is fully ensured.

The invention belongs to the field of intelligent robots, and discloses a fan blade robot maintenance method and system based on cloud edge collaboration, and the method comprises the steps: enabling an intelligent robot to collect a damaged image of a fan blade in real time, and carrying out the preliminary feature extraction; the edge node classifies damage types by using a multi-task learning support vector machine, robot positioning is performed and a preliminary maintenance strategy is generated by fusing multi-sensor data and an SLAM algorithm, and the robot executes a maintenance task according to an instruction of the edge node and feeds back the maintenance task to the cloud; the cloud retrains the classification model through the convolutional neural network, optimizes a loss function and model parameters, and pushes a parameter optimization result to the edge node; the edge nodes replace original model parameters, and a fan blade damage classification and maintenance strategy is optimized; according to the method, the problems of resource configuration and maintenance efficiency of fan blade maintenance can be effectively solved through a cloud side cooperative working method of processing a high-real-time task at an edge node and uploading a complex task to the cloud side.

The invention relates to the technical field of electric energy quality management, and particularly provides an electric energy quality management priority determination method and device, and the method comprises the steps: obtaining an index value of each electric energy quality management priority evaluation index corresponding to each user; determining the power quality management priority of each user based on the index value of each power quality management priority evaluation index and the weight coefficient of each power quality management priority evaluation index; wherein the weight coefficient is obtained by adopting a fuzzy comprehensive evaluation algorithm. According to the technical scheme provided by the invention, the electric energy quality treatment work in the park can be carried out in a targeted manner, the electric energy quality is precisely and orderly treated, and the electric energy quality treatment efficiency and treatment level in the area are improved.

The invention discloses an elevator running quality monitoring system and method, and the method comprises the steps: 1, obtaining the acceleration, current, vibration and position multi-mode signals of an elevator, and carrying out the time synchronization and physical correlation analysis, so as to convert a plurality of signals into a joint feature space; 2, taking the joint feature space as input, and improving the resolution of the multi-modal signal by using quantum calculation to obtain an enhanced signal; step 3, reconstructing a multi-mode signal of the elevator based on the enhanced signal, and generating a virtual mode to reflect a running track of the elevator in a constant speed state; and 4, on the basis of the generated virtual mode, the running state of the elevator is monitored in real time. According to the method, the precision problem of feature extraction in the constant-speed state is solved, tiny signal changes in the constant-speed state can be effectively captured, the monitoring precision of the elevator running state, the fault detection capacity and the early warning timeliness are improved, and the performance of an elevator monitoring system is remarkably enhanced.

The invention relates to a ballastless track bottom slope renovation method which comprises the following steps: a bad track bottom slope renovation preparation stage: collecting bad track bottom slope renovation parameters, and designing a renovation angle required by a bad track bottom slope of each track bearing table according to theoretical calculation and field test; an undesirable rail cant trimming implementation stage: on the basis of not influencing other parts of the original rail structure, trimming the angle of the rail cant by adopting a rail cant trimming device according to the trimming angle of the undesirable rail cant, so that the rail bearing table descends for a certain distance on the original foundation; the maximum grinding angle of the rail cant trimming device is 3 degrees, and the poor rail cant trimming range is-1: 40 to 1: 15; and a recovery stage after finishing of the bad rail cant: recovering the rail bearing table after finishing to meet the operation requirements. The method has the advantages that a construction method for polishing and finishing the bad rail cant of the ballastless track with the blocking shoulder by adopting the profile profiling of the rail bearing table is adopted, so that the purpose of eliminating the bad influence of the bad rail cant on the shaking of a high-speed rail crane, the abnormity of a steel rail light band and the like is achieved.

The utility model discloses an automobile sliding door driving device, which is arranged on a bottom plate of an automobile body and connected with a lower hinge of a sliding door, and comprises a driving component, two guide components, a belt, a connecting frame and two guide plates, the driving assembly comprises a motor and a driving gear, the guiding assembly comprises a bottom plate, a cover plate and a guiding wheel, the guiding wheel is rotationally installed between the bottom plate and the cover plate through a rotating shaft, and the cover plate is fixed to the bottom plate; the belt sequentially bypasses the driving gear and the two guide wheels, the connecting frame comprises a fixing part and a connecting part, the fixing part is fixed to the belt, and the connecting part is fixed to the fixing part and fixed to a lower hinge of the sliding door; according to the automobile sliding door driving device, the driving assembly and the two guiding assemblies are all arranged on the automobile body bottom plate, installation is convenient, cost is low, the belt and the connecting frame are matched, the structure is simple and compact, the weight is light, occupied space is small, abrasion of the belt is small, operation is smooth, the overall operation quality of the device is improved, and the service life of the device is prolonged.

The utility model relates to the technical field of equipment optimization, improvement and lifting, aims to solve the problems that in the prior art, chain tightening is very difficult, operation is inconvenient, the work advancing speed is affected, the work efficiency is low, the work quality is difficult to improve, and the equipment operation quality is reduced, and provides a wine brewing equipment chain shackle tightening device which comprises a fixed gripper and a movable gripper. A guide rod is arranged on the fixed gripper, one end of the guide rod is vertically and fixedly connected with the fixed gripper, a through hole is formed in the movable gripper, and the movable gripper is matched with the guide rod in a sliding mode through the through hole. A first lead screw is arranged between the lower portion of the fixed gripper and the lower portion of the movable gripper, the end, close to the fixed gripper, of the first lead screw is fixedly connected to the fixed gripper, and the end, close to the movable gripper, of the first lead screw penetrates through the movable gripper and is connected with a first nut. The chain tightening device has the advantages of being simple in structure, explosion-proof, corrosion-resistant, low in cost, easy to operate, convenient to tighten the chain, high in work advancing speed, high in work efficiency, good in work quality and capable of improving equipment operation quality.

The utility model provides hydrogenation tower flange leakage under-pressure leaking stoppage equipment which comprises a leaking stoppage clamp, the leaking stoppage clamp comprises a steel plate, an upper welding sealing cover plate, a lower welding sealing cover plate, two sealing portions, a sealing cavity and a plurality of glue injection connectors, and the two ends, in the length direction, of the steel plate are bent downwards to be in an arc shape. The upper and lower sides of the steel plate are respectively provided with an upper welding sealing cover plate and a lower welding sealing cover plate. The leaking stoppage clamp is tightly connected with the flange, the sealing cavity is formed between the two sealing portions of the leaking stoppage clamp, the sealing cavity is located at the leakage position of the flange, the sealing cavity is filled with the sealant, the sealing sealant blocks the leakage position of the flange, and therefore the effects that the leakage position of the flange is maintained at low cost, and operation is easy are achieved. The device solves the problem of leakage of important equipment hydrogenation tower flanges of an electronic-grade hydrogen peroxide device, prolongs the service life of the hydrogenation tower, improves the operation quality of the hydrogenation tower, and ensures long-period stable operation of the device.

The application provides a permanent magnet motor local demagnetization fault tolerance control method and system based on a parameter robust model predictive control, and is characterized in that the permanent magnet motor model after local demagnetization fault is subjected to super-localization processing to obtain a super-local model; a generalized proportional integral observer is designed to estimate and feed forward compensate the lumped disturbance caused by demagnetization in real time; the voltage and current data of adjacent sampling periods are used as real-time updates of the super-local model gain, the estimated values of the current and disturbance are obtained from the generalized proportional integral observer, and input gain online self-tuning is realized. The motor model after the fault is subjected to super-localization, the disturbance and high-order derivatives introduced by the fault are unbiasedly estimated through the generalized proportional integral demagnetization disturbance observer, and through the input gain self-tuning algorithm, the input gain in the super-local model can be calculated in real time only by using the voltage and current data of two continuous periods, so that the motor operation quality and the robust performance after the fault are improved.

The invention belongs to the technical field of wet-process phosphoric acid production, and particularly relates to a method and system for preparing fluosilicic acid from wet-process phosphoric acid extraction tail gas. After the concentration of the tail washing fluosilicic acid is adjusted to 5-8%, the tail washing fluosilicic acid is transferred to a concentrated fluorine recovery system to serve as primary fluorine replenishing water for secondary concentration production, the timing and the replenishing amount of water replenishing and tail washing fluosilicic acid replenishing in a cycle period are controlled through a DCS control system, circulating concentration is conducted on the fluosilicic acid, and the concentration of the tail washing fluosilicic acid is improved. The fluosilicic acid product with the mass concentration larger than or equal to 16% can be prepared, the current production situation of fluorine loss of a tail washing system is fundamentally solved, and the fluorine yield is obviously increased.

The present invention discloses a deadline-aware deep learning training task scheduling method and system for efficiency. The method mainly includes two steps: deep learning training task running time estimation and deep learning training task scheduling optimization. First, a threshold-based adaptive sampling technology is used to obtain an accurate estimation result of the deep learning training task running time. Then, the scheduling problem in the heterogeneous GPU cluster is converted into a search problem for task arrangement on each GPU. The optimized scheduling result that meets the scheduling goal is searched, and the search space is reduced through a variety of pruning methods. Compared with the prior art, the present invention innovatively proposes a unified expression form of scheduling goals, which can simultaneously meet the scheduling goals of minimizing the deadline violation amount of the task and the overall task completion time, and can efficiently schedule deep learning tasks, which is conducive to improving the efficiency of task deployment and operation in heterogeneous GPU clusters.

The present invention provides a single crystal furnace thermal field insulation effect detection system based on thermal image analysis. Compared with the prior art, the present invention also includes a first thermal imager for monitoring the thermal distribution of the furnace side wall and generating thermal images, a second thermal imager for monitoring the thermal distribution of the furnace bottom and generating thermal images, a third thermal imager for monitoring the thermal distribution of the furnace top and generating thermal images, a cooling module for at least high temperature protection of the second thermal imager, a processing module for processing the image of the thermal distribution monitoring and imaging of the thermal imager, an evaluation module for evaluating the thermal field insulation effect of the single crystal furnace based on the image processed by the processing module, and an alarm module for triggering an alarm when the evaluation module determines that the thermal insulation effect of the single crystal furnace is lower than the expected thermal insulation effect. The present invention adopts multi-parameter comprehensive analysis and dynamic adaptive adjustment to greatly improve the accuracy, flexibility and industrial application value of monitoring the thermal field insulation performance of the single crystal furnace.

The invention discloses a pneumatic oil injection device and a control method thereof, comprising an oil injection machine, an oil distributor, a control valve group and a controller, wherein the oil distributor is connected to the oil injection machine and the control valve group, and the controller is electrically connected to the oil injection machine and the control valve group. The controller controls the oil injection machine through a program to pump oil into the oil distributor, and the controller controls the oil distributor through a program to perform fixed-point or multi-point oil supply and lubrication on lubrication points of a used equipment in a timely and quantitative manner, thereby realizing partial oil supply and lubrication control and full oil supply and lubrication control, as well as sequential oil supply and lubrication control and simultaneous oil supply and lubrication control, with low manufacturing cost and high intelligence. When an abnormal situation occurs, automatic shutdown or automatic pressure relief can be realized, and abnormal indication can be realized through lights, thereby improving the running quality of the equipment and ensuring safety and reliability.

The utility model relates to metal sheet processing equipment field, concretely is a kind of wire harness automatic connecting device based on uncoiling line swing shear die. Including swing shear die, height adjusting mechanism, support no.

The invention discloses an insulated gate bipolar transistor operation power loss test system, relates to the technical field of power loss test, and solves the technical problem that in the prior art, loss test analysis cannot be carried out on operation power, so that the operation efficiency cannot be ensured. Specifically, an operation influence analysis unit analyzes the operation influence of the electric control equipment, collects a time consumption influence parameter and a temperature influence parameter of the electric control equipment, and analyzes and judges whether the operation influence is abnormal or not according to the parameters; the power loss test unit is used for performing power loss test on the electric control equipment, acquiring power floating information and duration delay information of the electric control equipment, and analyzing and judging whether the power loss test is qualified or not according to the information; whether the current electric control equipment loss test is qualified or not is judged according to the real-time power floating detection, so that the operation of the electric control equipment is monitored in real time, and timely regulation and control are facilitated when the electric control equipment is monitored to be abnormal.

The invention provides a chlorine compressor intercooler cooling device which comprises an intercooler and further comprises a pure water circulating pipeline, the pure water circulating pipeline exchanges heat with an intercooler cooling pipeline, and after the pure water circulating pipeline exchanges heat with the intercooler cooling pipeline, pure water is cooled through a closed cooler and then returns to be recycled. According to the invention, the energy consumption is reduced, and the safety is improved.

The invention is suitable for the technical field of train operation detection, and provides a train data transmission method and a train data transmission system.The method executed by a data receiving terminal comprises the steps that multiple pieces of vehicle identification information, stored by the data receiving terminal, of a target train are obtained, and each piece of vehicle identification information indicates one carriage in the target train; under the condition that the first data message is received, searching first vehicle identification information in the multiple pieces of vehicle identification information; and under the condition that first vehicle identification information is found from the multiple pieces of vehicle identification information, the first data message is sent to a locomotive control terminal, and the locomotive control terminal is used for determining the running state of the first compartment based on the running state data so as to control running of the target train according to the running state of the first compartment. The running state data can be timely transmitted to the locomotive control terminal so as to control the running of the train, and the running safety of the train is improved.

The utility model relates to the field of petroleum chemical technology, concretely relates to a catalyst settlement system stable in operation and good in settlement effect, including clarification mechanism, sludge buffer tank, feed pipeline, sludge tank, backflow pipeline, overflow pipeline, filter press, filtrate tank and sludge discharge pipeline, the clarification mechanism includes a plurality of settlement tanks that are arranged side by side from front to back in proper order and the clarification tank that is arranged at the end of clarification mechanism, the bottom of clarification tank is provided with special ammonium sulfate solution discharge pipeline, is provided with ammonium sulfate solution pump on the ammonium sulfate solution discharge pipeline, the end of ammonium sulfate solution discharge pipeline extends to ammonium sulfate tank area, the outlet end of ammonium sulfate solution pump is equipped with a branch pipeline, this branch pipeline is connected with the feed inlet on the top of filtrate tank through regulating valve, the bottom outlet of filtrate tank is connected with the inlet of clarification mechanism through filtrate pump. The catalyst settlement system is stable in operation, and the downstream device operation cycle is prolonged.

The invention discloses a comprehensive machining process for a cylinder cover seat ring and a guide pipe inner hole, and relates to the technical field of internal combustion engine key part machining. Measuring the inner hole of the catheter for multiple times to determine actual position coordinates of the catheter; the actually-measured guide pipe inner hole coordinates before machining are used for replacing originally-set seat ring and guide pipe inner hole machining coordinates; a boring-reaming composite tool is adopted for machining a guide hole of the inner hole of the guide pipe, and semi-finish machining is conducted on the seat ring cone; and a reamer is adopted for reaming the guide pipe hole, and a boring cutter is adopted for fine boring of the machining face of the seat ring. According to the invention, a plurality of combined machining modes of drilling, boring and reaming are adopted, and a clamping tool and a compound tool are matched, so that the precision and the efficiency of a key working procedure of combined machining of the valve seat ring and the conduit hole are improved, and the overall performance index and the operation quality of a series of engines are improved.

The embodiment of the present application provides a test method, apparatus, device and storage medium, the method comprising: obtaining a test record set, the test record set including at least one test record; determining a first test record to be executed in the test record set; determining a target test system from at least two test systems according to the first test record; sending test information to the target test system, the test information including the test time. It is used to shorten the test time of the test system, improve the test efficiency of the test system, and thus improve the test efficiency of the financial data processing system including the two test systems and the operation quality after going online.

The invention belongs to the technical field of safety maintenance, and particularly relates to a predictive maintenance method and system for a bridge crane. The invention discloses a predictive maintenance method for a bridge crane. The method comprises the following steps: monitoring and collecting state data of the bridge crane in real time through a sensor, preprocessing each piece of data, and converting the data into time sequence data; in combination with a risk assessment and fault prediction model, according to historical data and current data, assessing the remaining service life, the fault occurrence probability and the health degree of each piece of equipment; performing quantitative evaluation on the monitoring result of the equipment by using a multi-parameter weighted scoring principle according to the state judgment evaluation model, and dividing the health state of the equipment according to a scoring result; and the evaluation result is displayed on the HMI in a chart form, and corresponding maintenance measures are sent to maintenance personnel for optimization according to the result. The operation state of the bridge crane is effectively monitored and evaluated, equipment faults are predicted and prevented, and the reliability and safety of the equipment are improved.

The invention relates to the technical field of communication signal monitoring, and discloses a communication signal monitoring method and system for a repeater, and the method comprises the following steps: 1, respectively obtaining the environmental parameters and communication quality parameters of a historical data repeater, integrating the data into a parameter data group according to the type of extreme weather, obtaining parameter data sets corresponding to different extreme weather types; 2, based on the parameter data sets corresponding to the different extreme weather types, data in each parameter data set is processed, and the normalized parameter data sets of the different extreme weather types are obtained; wherein the process of processing the data in each parameter data group comprises the step of removing abnormal values in the data. According to the method, in the data cleaning process, the rationality of parameter change under extreme weather is reasonably considered, and the problem that actually required effective data is taken as an abnormal value to be removed is effectively solved, so that the effectiveness of correlation calculation in subsequent steps is ensured.

The utility model provides a host remote control system which comprises a cab remote control unit. The main cabin control box is electrically connected with the cab remote control unit; the standby cabin control box is electrically connected with the cab remote control unit; the executing mechanism is electrically connected with the cabin control box; and the switching circuit comprises a detection circuit which is electrically connected with the main cabin control box and the standby cabin control box, a first controller which is electrically connected with the detection circuit and is electrically connected with the cabin control boxes, and a second controller which is electrically connected with the detection circuit and is electrically connected with the standby cabin control box. According to the host remote control system, the detection circuit detects that the main cabin control box fails and cannot be used, the switching circuit controls the first controller to cut off the connection of the first controller, and the second controller starts to control the connection of the standby cabin control box, so that the cabin control boxes are switched, normal operation of host equipment is ensured, and the reliability of the host equipment is improved. The host operation quality is improved.