112results about How to "Improve operational accuracy" patented technology

According to the intelligent home environment intelligent regulation and control system and the control method thereof, various intelligent sensors are arranged, various environment data such as indoor temperature, humidity and illumination are monitored in real time, the data are preprocessed and then sent to a data analysis layer, data features are extracted according to the monitored data and historical data based on the deep learning technology, and user preferences are deduced; the control parameters are adjusted and sent to the equipment control layer, a specific instruction is sent to an indoor smart home, an air conditioner, a humidifier or a curtain and the like are controlled to accurately control the indoor environment, the living preference of a user is met, and in the process, the effect monitoring and dynamic adjusting layer monitors the adjusting condition in real time, and the user experience is improved. If the ideal effect is not achieved after adjustment, the equipment control layer is controlled to continue adjustment, in the process, the abnormal condition of the system is detected, the power consumption of the equipment and other data are monitored at the same time, normal work of the system is guaranteed, possible faults are predicted, a user is reminded in time, and safe and energy-saving operation of the whole system is guaranteed.

The invention relates to the technical field of force feedback handles, in particular to a remote surgical robot control system based on a force feedback handle and a control method thereof. The method comprises the following steps: carrying out multi-dimensional force data acquisition on an end effector of the surgical robot, and carrying out contact force size, direction and time sequence feature extraction to obtain multi-dimensional force feature data; performing surgical operation safety baseline analysis according to the multi-dimensional force feature data to generate surgical operation safety baseline data; performing dynamic force feedback threshold calculation according to the surgical safety operation baseline data to obtain force feedback threshold range data; and performing adaptive compression processing on different force feedback signals according to the force feedback threshold range data to obtain dynamic force feedback control parameters. Through real-time control instruction optimization and a closed-loop feedback strategy, the system can quickly respond to an operation intention, early warning is carried out on potential risks, and it is ensured that the operation process is safer and more reliable.

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 provides a double-ring micro-motion monitoring method and system based on a monocular camera, and relates to the technical field of machine vision, and the method comprises the steps: obtaining a picture based on the monocular camera, building a double-ring center point, determining the relation between projection points of the double-ring center point on an image plane and a normalization plane, and obtaining a single-ring micro-motion monitoring result; converting a plane coordinate corresponding to the central point of the double circular rings into a pixel coordinate and determining a conversion relation; and determining the pixel offset of the central point of the double rings under the pixel coordinates, solving the real offset under the real coordinates based on the pixel offset, and determining the action of the double rings. According to the invention, highly automatic object positioning and tracking can be realized, manual intervention is reduced, production efficiency and operation precision are improved, and an accurate object positioning automation application which is high in cost benefit, high in precision and easy to implement is provided.

The invention provides a horizontal supporting structure of a compression-shear testing machine, and relates to the technical field of detection equipment. In the horizontal supporting structure, a vertical hydraulic cylinder body is fixed to a middle supporting block, the telescopic end of the hydraulic cylinder is connected to the bottom side of a lower beam base, a first horizontal sliding rail is arranged on the upper side of the lower beam base, a working platform is installed on the first horizontal sliding rail, and the working platform is connected with the telescopic end of a horizontal oil cylinder in the horizontal axis direction; a body of the horizontal oil cylinder is fixed to an oil cylinder supporting frame, the oil cylinder supporting frame is installed on a first vertical sliding groove in the outer side of a stand column, the bottom of the stand column is fixed to a middle supporting block, an upper beam base is fixed to the top of the stand column, and the upper beam base is located over the working platform. The horizontal oil cylinder and the working platform form a follow-up state, the horizontal oil cylinder always exerts acting force on the working platform in the horizontal axis direction of the horizontal oil cylinder, abrasion of the horizontal oil cylinder cannot be caused in the working process, and the service life of the horizontal oil cylinder is prolonged.

The embodiment of the invention provides a quantum hardware resource virtualization method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a target quantum bit unit topology for a target quantum computing task; obtaining a quantum bit unit network in the quantum hardware resource; in the quantum bit unit network, obtaining a plurality of candidate quantum bit unit sub-networks conforming to the target quantum bit unit topology; based on the self-operation fidelity of each quantum bit unit in the candidate quantum bit unit sub-network and the mutual operation fidelity between adjacent quantum bit units, determining the overall operation fidelity of the candidate quantum bit unit sub-network; and based on the overall operation fidelity, determining a target quantum bit unit sub-network as a virtualization resource for the target quantum computing task. According to the embodiment of the invention, the utilization rate of virtualized resources is improved, and relatively high operation accuracy is ensured. The embodiment of the invention can be applied to various scenes such as quantum calculation and superconducting quantum calculation.

The invention relates to the technical field of mechanical control, in particular to a caterpillar tractor turning radius control method and system.The caterpillar tractor turning radius control method comprises the following steps that based on tractor caterpillar size data, behaviors of a tractor caterpillar on various terrains are simulated and analyzed, and the contact effect and stress distribution of the caterpillar on various ground materials are calculated; and generating a track behavior simulation result. According to the method, by analyzing behaviors of the tractor track on various terrains, understanding of the contact effect and stress distribution between the track and the ground materials is optimized, performance prediction of the track on different ground materials is more accurate, compensation parameters needed by turning are calculated in combination with mechanical performance parameters, and the accuracy of the track performance prediction is improved. The torque and the speed of the crawler belt are adjusted according to actual conditions, the adaptive capacity and the operation accuracy of the tractor in complex terrains are improved, turning parameters are monitored and adjusted in real time, the yaw angle and the path deviation are recognized and corrected in time, errors and the adjustment time in operation are reduced, and the operation efficiency and the maneuverability of the tractor are improved.

The invention discloses a material stacking method and system based on a multi-target genetic algorithm. The method comprises the following steps: after material information is obtained, performing one-to-one correspondence on a material stacking scheme and chromosomes in a multi-target genetic algorithm; calculating corresponding fitness for the material stacking scheme of each chromosome; comparing the non-dominated relations among the chromosomes, and selecting individuals superior to other chromosomes on at least one target to carry out crossover and variation; and an optimal material stacking scheme is determined after crossing and variation. The overall efficiency and safety of logistics circulation in the production and manufacturing process are improved, and more efficient and reliable automatic material management is achieved.

The invention relates to an intelligent multi-axis flexible robot arm coal quality detection system based on holographic imaging visual supervision and a use method, and belongs to the technical field of industrial robot application. The self-sensing bionic grabbing structure comprises a base station base, a server, a matched ash content detector, a matched moisture detector, a management and control system, a flexible arm mechanism and a plurality of self-sensing intelligent speed reducers, and a control program and an algorithm server are arranged in the base station base. The assorted ash content detectors and assorted moisture detectors of different models can be trained and learned, the flexible arm mechanism is an intelligent grabbing module for flexibly grabbing detection samples, the flexible arm mechanism is installed on the base table base, a plurality of self-sensing intelligent speed reducers are installed in the flexible arm mechanism, and the self-sensing intelligent speed reducers are arranged on the base table base. And the flexible swinging of the robot arm can be realized when the robot arm is subjected to abnormal load or external force. The device is reasonable in structural design, stable, reliable and high in automation degree, detection efficiency and operation accuracy are improved, and use requirements are met.

The invention provides a waterproof distribution box with an adjustable mounting angle, and relates to the technical field of distribution boxes, three trapezoidal mounting seats are fixedly connected to one end of a distribution box body, a bidirectional screw is rotatably connected to the interiors of the three trapezoidal mounting seats, and a handle rod is fixedly connected to the outer surface of the bidirectional screw. The two rectangular sliding blocks are in threaded connection with the outer surface of the bidirectional screw, the two connecting rods are rotationally connected into the two rectangular sliding blocks respectively, the outer surface of the round rod rotating shaft is sleeved with the rotating disc, the damping rotating shaft is fixedly connected to the end, close to the U-shaped mounting base, of the distribution box body, and the handle rod is held to screw the bidirectional screw to rotate. Two threads arranged at the outer end of the two-way screw are opposite in rotating direction, the two-way screw rotates to drive the two rectangular sliding blocks to slide oppositely, the two rectangular sliding blocks slide to extrude and push the connecting rods to rotate, the two connecting rods synchronously push the rotating disc to rotate, and the rotating disc drives the round rod rotating shaft to rotate so as to adjust the placement angle of the touch screen body.

The invention discloses an automobile central control intelligent driving assistance method and system, relates to the field of intelligent driving assistance, and is used for solving the problem that a driver is difficult to quickly find a required function in a central control display screen in a specific scene, obtaining each functional block, carrying out current feature state adjustment scoring on each functional block and carrying out statistical calculation, and finally obtaining a final functional block. The sorting important features comprise environment feature information and driver feature information, and the sorting important feature of each functional block is obtained by combining multi-source data and Kalman filtering; the to-be-adjusted function block and the historical click preference degree combination in the corresponding environment of the user are subjected to matching scoring, a new adjustment score of each function block is obtained, the new adjustment score of each function block is compared with a preset function block sorting threshold value, the adjustment position of each function block is obtained, the operation convenience of the central control display screen is improved, and the user experience is improved. And the searching time of the user on the central control screen is shortened.

The invention is suitable for the technical field of equipment management, and provides a laboratory equipment management method and system for chemical detection, and the method comprises the following steps: receiving an experimental equipment use demand inputted by a user, the experimental equipment use demand comprising an experimental item, user information, demand equipment and a demand time period; judging whether the demanded equipment needs to be queued for use, if so, calling the priority, the credit and the integrity of the corresponding user information, and calculating to obtain an equipment use cardinal number of the user information; determining the deadline of the demand time period, and determining user information allocated to the equipment at the deadline; and calling historical equipment use data of the distributed user information, analyzing the historical equipment use data, and sending equipment training information to the user account. According to the invention, based on a multi-dimensional equipment allocation strategy, the equipment use cardinal number is determined by calling the priority, the credit and the integrity of the user information, so that the fairness and the reasonability of equipment allocation are realized.

The utility model discloses a non-woven fabric needling device with an adjustable hole diameter, and relates to the technical field of non-woven fabric production auxiliary equipment, in particular to the non-woven fabric needling device with the adjustable hole diameter. Comprising a main body, an anti-skid handle, an aperture generator, a pinhole storage groove, input equipment, a display, an electric adjusting device, a rotary button, a laser range finder, pinholes, hot press equipment, a positioning system module, an integrated control module and output equipment. According to the utility model, the operation is stable through the anti-skid handle, the aperture parameters are set by the input device, and the distance between the needle holes is accurately adjusted through the electric adjusting device. A laser range finder and a positioning system ensure accurate needling, and the hot press accurately controls the hot pressing process. The display displays the working state in real time, and the rotary button provides man-machine interaction. The pinhole storage groove realizes flexible production, and the output equipment prints a production report. And the pinhole storage groove and the integrated control module store the working state, so that quick recovery is facilitated.

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 utility model relates to the field of garden protection equipment, in particular to a high-pressure minimally invasive forest tree injection machine which is characterized in that a control box is arranged at the lower end of a handle of an electric drill main body, a liquid guide handle is arranged between the control box and a rotating shaft shell, a liquid outlet is formed in a drill bit, and a liquid inlet is formed in the control box. A liquid flowing channel communicated with the liquid inlet and the liquid outlet is formed in the drill bit, the rotating shaft core, the rotating joint shell, the liquid guide handle and the control box, and liquid medicine in the medicine box is sequentially guided into the control box, the liquid guide handle, the rotating joint shell, the rotating shaft core and the drill bit through the pressurizing mechanism and then is driven into a tree trunk. Two-hand operation and a hydraulic liquid guide system are introduced, injection stability and accuracy are improved, the drill bit is reasonable in design, an intelligent control system and a cleaning function are arranged, operation is convenient and fast, and liquid medicine waste is effectively prevented. The injection efficiency, the accuracy and the operation convenience are improved.

The invention discloses a driving test simulation control interaction method and related equipment. The method comprises the steps that under the condition that driving test simulation is carried out in a closed VR visual environment, the position and posture of the hand of a user are captured in real time, and the user is located in a simulator cabin; mapping the acquired position and posture of the hand to a virtual environment of a VR visual environment, a virtual operation part in the virtual environment being consistent with a physical part for realizing the same function in the simulator cabin in position and proportion; and obtaining the operation of a user on the physical component and / or the virtual operation component so as to perform driving test simulation control in the simulator cabin. The problem that in driving test simulator training, although a VR simulator can really provide higher simulation reality and immersion, students cannot observe the real world when wearing VR glasses can be solved.

The application provides a kind of tower type solar thermal power station mirror field optical efficiency calculation method, belongs to tower type solar power field, solve mirror field optical efficiency large amount of calculation and low precision problem.Its technical scheme is: including the following steps: S1: obtaining mirror field parameters and solar position;S2: determine the atmospheric transmission efficiency and cosine efficiency of each heliostat;S3: calculate the shadow blocking efficiency of each heliostat;S4: calculate the truncation efficiency and optical efficiency of each heliostat.The beneficial effects of the application are: a kind of tower type solar thermal power station mirror field optical efficiency calculation method is designed, the method is gridded to the current heliostat, and the grid point and its adjacent heliostat vertex are projected to the mirror field horizontal plane along the incident light direction or the reflected light direction to calculate the shadow blocking efficiency, the heliostat that may be blocked is selected within a reasonable range, which greatly reduces the calculation amount of heliostat shadow blocking rate, and the operation accuracy is high, the method can ensure the calculation accuracy while improving the calculation speed of tower type solar power station mirror field optical efficiency simulation.

The utility model relates to the field of controller silica gel button, disclose silica gel button edge anti -warp reinforcing edge structure, including silica gel base plate, the top fixedly connected with silica gel button of silica gel base plate, the outside fixedly connected with anti -warp reinforcing mechanism of silica gel base plate, the outside fixedly connected with antiskid protection mechanism of silica gel button, the anti -warp reinforcing mechanism includes reinforcing tensile edge, the outside fixedly connected in the outside of silica gel base plate of reinforcing tensile edge, the outside of reinforcing tensile edge is equipped with metal protective cover edge. In the utility model, through fixing reinforcing tensile edge outside silica gel base plate, then the metal protective cover edge is connected with the inside of shell simultaneously, and the precise positioning and locking are realized by using anti -shift joint convex point, positioning recess, extension locking boss and fitting groove, form stable connection, in this way can effectively enhance silica gel base plate edge tensile strength, resist external collision scratch, restrain edge warping deformation.

This utility model provides a steel hoisting device for construction engineering, relating to the field of steel hoisting equipment for construction engineering. It includes a mobile base, with a support assembly, a lifting assembly, and a rotating assembly mounted on the top of the mobile base. The support assembly and lifting assembly are used for hoisting steel, and the rotating assembly is used for adjusting direction. The support assembly is fixed to the top of the rotating assembly, and the lifting assembly is mounted on the surface of the support assembly. This utility model, through the cooperation of support columns, support plates, fixed gears, rotating gears, and a servo motor, enables the support assembly and lifting assembly to precisely adjust their direction, facilitating hoisting operations on steel at different locations and enhancing the operational precision of the equipment. The mobile base is equipped with a support seat, casters, and a handle. The casters are mounted on the bottom of the support seat, and the handle is fixed to the top of the support seat, allowing operators to easily move the equipment and flexibly adjust its position on the construction site.

The invention relates to a main pipeline on-off valve and a main pipeline on-off method.The main pipeline on-off valve comprises a valve seat, a valve deck, a valve part and a visual on-off driving part, the valve seat is provided with a flow channel and a valve port, and the valve part achieves on-off operation on the valve port through an axial lifting rod; the visual on-off driving part comprises a driving rotating wheel, a sleeve in threaded connection with the axial lifting rod and a scale needle, a spiral disc with a thread gap is arranged on the outer end face of the driving rotating wheel, a dial with a radial notch groove is arranged on the spiral disc, the dial and the driving rotating wheel rotate synchronously, and the spiral disc cannot rotate relative to the dial. The scale needle is guided to slide in the thread gap and the radial notch groove simultaneously, the state of the valve is accurately adjusted by rotating the driving rotating wheel, and the scale needle visually and accurately displays the position state of the valve head. According to the invention, the technical effects of improving the on-off precision, enhancing the operation convenience and improving the safety are achieved.

The present invention discloses a focus translation method for improving distribution density and a corresponding laser processing device. The method comprises the following steps: forming a focus spot by a focusing device; controlling the focusing device to translate a preset distance from an initial position to a new position; wherein the preset distance is the radius of the focus spot; repeating the above process, controlling the focusing device to translate in one direction in sequence under the premise that the focus points do not overlap; and after multiple translations, on the line connecting the adjacent focus points of the focusing device at the initial position, there are only a preset number of focus points of the focusing device at the new position, so that the focus energy density of the focus spot is improved. The present invention uses a unique focus translation method, which can form a preset number of new focus points on the line connecting the adjacent focus points after multiple translations without overlapping, thereby significantly improving the focus energy density of the focus spot.

The point fixing device comprises a bottom plate and a tripod at the bottom, a middle shaft is vertically arranged at the upper end of the bottom plate, a bearing is rotationally sleeved outside the middle shaft, a rotating drum is rotationally sleeved outside the bearing, an adjusting bolt is arranged on the side wall of the rotating drum in a threaded connection and penetrating mode, and a braking vane is arranged in a crack between the middle shaft and the rotating drum. A horizontal compass is arranged at the top of the middle shaft, a mounting seat is arranged on the side wall of the rotating drum, an outer pipe is detachably and fixedly mounted on the mounting seat and is perpendicular to the middle shaft, an inner rod is slidably inserted into the outer pipe and is perpendicular to the middle shaft, and a marker post is vertically and fixedly arranged above the tail end of the inner rod; a locking structure used for fixing the inner rod is further arranged on the outer pipe, and a target rod is further vertically arranged on the top of the installation base and located on the periphery of the horizontal compass. The device can effectively solve the problem that the marker post is shielded by a shielding object when a reference point is set on a fall land, and can accurately reproduce the position of the marker post during re-measurement, so that the surveying and mapping precision and efficiency are improved.

The disclosed embodiments provide an AR glasses camera angle adjustment method, device, electronic device and computer-readable storage medium, and relate to the AR glasses technical field. The method comprises: establishing a human posture model according to the position of the AR glasses and the position of the limbs in the gesture interaction, and determining the functional relationship between the first AR glasses shooting angle and the first limb state parameter in the first state in the human posture model; obtaining the second limb state parameter of multiple samples in the second state as a comfortable state, and obtaining the angle difference between the first limb state parameter and the second limb state parameter; calculating the second AR glasses shooting angle of the sample in the second state according to the angle difference and the functional relationship; obtaining the adjustment angle of the AR glasses camera according to the second AR glasses shooting angle. The AR glasses camera angle adjustment scheme disclosed in the disclosed embodiments helps to improve the user's comfort when issuing gesture operation instructions to the AR glasses.

The utility model provides a synchronous telescopic tire changer, which is characterized in that a driving part can drive a rack to reciprocate, a transmission shaft is rotatably arranged on a box body, and the rack is meshed with a first gear fixed at one end of the transmission shaft; a second gear and a third gear are further coaxially arranged on the transmission shaft, meshing teeth are arranged on the tire pressing shaft and the tire supporting shaft, the tire pressing shaft is meshed with the second gear, and the tire supporting shaft is meshed with the third gear. According to the synchronous telescopic tire dismounting machine disclosed by the utility model, the rack is driven by the driving part to linearly move, the rack drives the transmission shaft to rotate through the first gear, and the transmission shaft drives the tire supporting shaft and the tire pressing shaft to synchronously linearly move through the second gear and the third gear, so that the problem that the tire supporting shaft and the tire pressing shaft are independently adjusted is solved, and the working efficiency is improved; and the synchronism of the positions of the tire supporting wheel and the tire pressing wheel is ensured.

The utility model relates to the technical field of water system equipment application, in particular to a PID constant liquid level automatic adjusting system simulation platform which comprises a first water storage tank (1), the bottom of the first water storage tank (1) is connected with a second water storage tank (2), a six-branch water feeding pipe (7) is connected between the first water storage tank (1) and the second water storage tank (2), and an alternating current water pump (9) is arranged on the six-branch water feeding pipe (7). And the alternating-current water pump (9) is connected to a control cabinet (10). According to the platform, the three parameters P, I and D are accurately calculated by manufacturing the simulation platform, so that the system can accurately operate according to the manually set pressure, the impact of the rotating speed oscillation of the water pump on the electric power system is avoided, the strong function and strong anti-interference performance of the system operation are ensured, various working states of the site are really simulated, and the working efficiency is improved. And meanwhile, simulation training of operators and maintenance of field fault equipment on the simulation platform can be realized, so that the overall application efficiency of the water system equipment is improved.

The invention relates to the technical field of transformer oil sampling, in particular to a transformer on-load tap changer oil sampling device which comprises a transformer assembly which comprises a transformer body and an oil injection pipe fixedly arranged on the outer side of the transformer body, and the oil injection pipe is used for injecting oil into the transformer body; the sampling pipe is movably inserted into the oil injection pipe and is used for extracting an oil sample; and the detection assembly comprises a detection insertion disc movably inserted into the oil injection pipe, a sampling opening allowing the sampling pipe to penetrate through is formed in the middle of the detection insertion disc, and the floating detection mechanism is arranged on the outer side of the sampling pipe in a sleeving mode. The negative pressure sampling device has the beneficial effects that the sampling pipe can be directly inserted into an oil sample of the on-load tap changer stored in the inner wall of the transformer body along the inner wall of the oil injection pipe, and then the sampling pipe is connected with an external negative pressure device, so that negative pressure extraction is realized, oil does not need to be discharged firstly when the oil sample is extracted, and the sampling efficiency is improved.

The embodiment of the invention provides a method for automatically processing recharge staging presentation, which comprises the following steps of: responding to received recharge order data, matching a corresponding recharge rule, judging whether a recharge order simultaneously meets the conditions of first-period presentation amount immediate return and presentation amount regular return set in the recharge rule, and if so, executing the recharge process; according to the recharging order data and the recharging rule, calculating to obtain the given amount of each period and the corresponding period arrival time; transferring the first-time presentation amount to a member account, and automatically generating a corresponding staging presentation task according to the remaining presentation amount and the staging arrival time; automatically executing a corresponding staging presentation task at each staging arrival time, and transferring the remaining presentation amount to a member account one by one; and meanwhile, the execution condition of the staging presentation task of each recharging activity is monitored, and all staging presentation tasks related to the current recharging activity are terminated until it is confirmed that all the remaining presentation amounts are transferred to the member account in each period.

The invention discloses a double-mother-pipe blast furnace air distribution method which comprises the following steps: when a signal indicating normal operation of any unit is received, the unit is controlled to enter fan interlocking input, and the state of the unit is latched by a first register; and when receiving signals that any one electric air dispensation valve is closed in place, the pneumatic air dispensation valve is closed in place, the pressure of the two blast furnace air pipe mother pipes is greater than preset pressure and any two units are in fan interlocking input, latching a judgment result through a second register, and sending an air dispensation system trial input permission operation signal to a control end. When a certain unit breaks down or is abnormal, a standby unit can be rapidly and accurately started or other emergency measures can be taken, the air distribution logic and flow can effectively reduce misoperation or rejection of an air distribution system caused by error signals, the operation stability of the blast furnace is improved, slag filling accidents of the blast furnace are avoided, and the service life of the blast furnace is prolonged. And production interruption and safety accidents are avoided.

The utility model provides a graded failure cable for an external defibrillator. The graded failure cable comprises a protective sleeve, a first electronic wire group and a second electronic wire group, wherein the first electronic wire group and the second electronic wire group are arranged in the protective sleeve; the protective sleeve comprises an outer protective layer, a belting layer and a nylon braid layer which are sequentially arranged from outside to inside; the first electronic wire group comprises at least two high-voltage wires, the second electronic wire group comprises at least two coaxial wires, and the high-voltage wires and the coaxial wires have the same number and are adjacently arranged at intervals; the coaxial line is sequentially coated with an inner sheath layer, a metal shielding layer and an insulating layer from inside to outside, and the high-voltage line is coated with an insulating layer; and aramid fiber lines are arranged in line gaps formed among the first electronic line group, the protective sleeve and the second electronic line group. Through layered protection, independent wire group layout and tensile material application, the problems that a traditional cable is prone to breakage and synchronization fails are solved, and the external defibrillation cable is suitable for an external defibrillation scene with high requirements for reliability and safety.

The invention relates to a device for detecting the response time of a steering engine, and belongs to the field of electrical testing. The device comprises a fixed plate (1), a driver (2), a steering engine connecting cable (3), a signal input cable (4), a cross sunk screw (5), a banana socket (6), a feedback cable (7) and a connector (8). The driver (2) and a plurality of banana sockets (6) are fixed on the fixing plate (1), the input end of the driver (2) is connected with the connector (8) through the steering engine connecting cable (3), the driver (2) is connected with the banana sockets (6) through the signal input cable (4), one end of the feedback cable (7) is connected with the steering engine connecting cable (3), and the other end of the feedback cable (7) is fixed on the banana sockets (6). The product detection efficiency is improved, the operation accuracy and safety are improved, the structure is simple, the manufacturing cost is low, operation is easy, and repeated use can be achieved.