23results about How to "Guaranteed running status" patented technology

The invention discloses an interactive behavior recognition method for an intelligent unmanned selling cabinet, and relates to the field of behavior recognition, and the method comprises the steps: detecting a relative distance between a target customer and the intelligent unmanned selling cabinet; when the relative distance is smaller than a preset distance threshold value, obtaining a customer dynamic video of the target customer; analyzing a first abnormal behavior of the target customer according to the customer dynamic video; the operation state of the intelligent unmanned selling cabinet is adjusted according to the first abnormal behavior analysis result; acquiring sensor information of the intelligent unmanned selling cabinet; and identifying a second abnormal behavior of the target customer according to the sensor information. According to the invention, all-weather, high-precision and high-efficiency identification and monitoring can be effectively carried out on the interaction behavior of the intelligent unmanned selling cabinet.

The invention discloses an IDC machine room operation state monitoring method, and relates to the technical field of machine room monitoring, and the method comprises the steps: carrying out the evaluation of the operation states of equipment in different regions in a machine room through an operation state database, an equipment region environment influence coefficient and machine room equipment region information, and obtaining a region equipment standard operation state quality index matrix, based on the regional equipment standard operation state quality index matrix, evaluating the operation state of the machine room to obtain the operation state information of the machine room, calculating the operation state quality index matrix of each regional equipment, reflecting the health degree of the operation state of the equipment, and comprehensively analyzing the regional quality index matrix of the equipment to obtain the health degree of the equipment. The whole operation state information of the machine room is obtained, the health degree of the machine room is evaluated, the operation state quality index matrix of the equipment in each area is obtained through the environment influence coefficient, and the situation that the environment and associated equipment in the machine room influence sensitive machine room equipment, and consequently the monitoring accuracy is affected is avoided.

The invention provides a drainage robot and an automatic drainage method thereof, and relates to the technical field of drainage robots, the drainage robot comprises a vehicle body, and an electric push rod is fixedly mounted on the top surface of the vehicle body. The submersible pump is driven by the electric push rod to vertically move, the submersible pump can be automatically placed in a water source, the pump does not need to be manually placed in the water source, the operation steps are simplified, the labor burden is relieved, and after drainage operation is completed, through cooperative work of the friction wheel, the friction disc and the sponge column component, the water drainage efficiency is improved. The surface of the submersible pump and a water inlet pore plate are automatically cleaned, stains on the surface of the pump and the pore plate can be effectively removed, the situation that normal work of equipment is affected or drainage performance is reduced due to dirt accumulation is avoided, the manual maintenance frequency of the equipment is reduced through the automatic cleaning function, the efficient operation state of the drainage equipment can be kept, and the service life of the drainage equipment is prolonged. And the service life of the equipment is prolonged, so that the long-term maintenance cost is reduced.

The utility model belongs to the technical field of multi-mode gateways, and particularly relates to a multi-mode gateway integrated with smart home, which comprises a fixed shell, the upper surface of the fixed shell is provided with equidistantly arranged holes, the upper surface of the fixed shell is clamped with the multi-mode gateway, the inner bottom wall of the fixed shell is fixedly connected with a controller, the fixed shell is internally provided with a temperature sensor, and the temperature sensor is connected with the controller. The bottom surface of the fixing shell fixedly communicates with an air guide pipe, a fan blade frame is arranged in the air guide pipe, a rotating motor is arranged on the outer surface of the air guide pipe, and the power output end of the rotating motor is fixedly connected with the end, close to the temperature sensor, of the fan blade frame. And meanwhile, a temperature sensor is matched with a controller, the working temperature in the fixing shell and the working temperature in the multi-mode gateway can be sensed, the rotating motor can be automatically started or stopped according to the set temperature, and then the fan blade frame and the inner ring of the rotating bearing can be driven to rotate through starting and rotating of the rotating motor.

The utility model belongs to the technical field of switching-on power transmission of an electric power system, and relates to a control circuit for preventing misoperation of switching-on power transmission of a multi-dimensional electric power system. The control circuit comprises a relay protection power supply monitoring circuit and a locking control circuit; the relay protection power supply monitoring circuit comprises a first resistor, a first fusing resistor and a first relay which are installed in series. The two ends of the relay protection power supply monitoring circuit are connected to the positive electrode and the negative electrode of a first direct-current power supply respectively. The locking control circuit comprises a locking closing state operation indicating circuit, an original circuit breaker closing control circuit, a second relay and an outgoing circuit breaker closing loop; and the original circuit breaker closing control circuit is connected in series with the second relay, and then the circuit, the locking closing state operation indicating circuit and the outgoing circuit breaker closing loop are connected in parallel. According to the invention, power transmission misoperation accidents that a line is provided with a ground wire, the side or the opposite side of the line is provided with a ground knife or a relay protection device is not switched on and switched off during switching-on operation of a power system can be avoided.

The invention relates to the technical field of power system protection, in particular to a self-adaptive current differential protection method for a power distribution network containing an inverter distributed power supply. Comprising the steps that initialization and parameter setting are conducted, a topological structure is analyzed, and parameters are managed through an integrated system; data acquisition: sensors are reasonably arranged to acquire real-time data; performing fault analysis and current differential calculation, and analyzing and calculating related quantity by using a symmetric component method and real-time data; protection decision and action: calculating and judging whether protection is started or not based on adaptive filtering and an algorithm; and self-adaptive adjustment and resetting: adjusting line parameters and resetting the system. The method adapts to complex topology and distributed power supply characteristics, improves protection coordination, enhances the self-healing capability and operation efficiency of the power distribution network, and effectively overcomes the defects in the prior art.

The present invention relates to the technical field of combined apparatus for separating particles from gas or steam, and discloses a dust reduction device for engineering construction to prevent air pollution. By controlling the component box, the amount of water in the machine body flowing to the water spray ring and the water spray top arc is controlled, so that when the amount of dust in the environment is large, the amount of water flowing to the water spray ring is controlled to be large, and the amount of water flowing to the water spray top arc is reduced, so that the dust reduction device focuses on the dust reduction treatment in the external environment. When the amount of dust in the environment is small, the amount of water flowing to the water spray top arc is controlled to be large, and the amount of water flowing to the water spray ring is reduced, so that the dust reduction device focuses on the dust reduction treatment in the airflow in the barrel, and this part of water is filtered and recovered, so as to control the use of water resources according to demand, reduce the use cost, and when dust is reduced on the device itself, a small amount of water resources is provided to spray water outward to reduce dust, increase the range of action, and improve the treatment efficiency of the device.

The invention relates to the technical field of fans, and discloses a blade fan convenient to disassemble, which comprises a connecting frame used for supporting a carrier for mounting the blade fan; the disassembling and assembling assemblies are installed on the left side and the right side of the connecting frame and used for rapidly installing the draught fan; the dust removal assembly is installed on the outer side of the connecting frame and used for conducting dust removal treatment on the draught fan; the driving assembly is used for being installed on one side of the connecting frame and used for driving the dust removal assembly; the dismounting and mounting assembly comprises a first connecting plate, the first connecting plate is fixedly connected to one side of a connecting frame, and the other side of the connecting frame is fixedly connected with a second connecting plate. By additionally arranging a dismounting assembly, the function of quickly dismounting blades is achieved, and due to the fact that grease or other dirt can be accumulated in the operation process of a blade fan, the efficiency and performance of the blade fan are affected. And the blades can be quickly disassembled, so that regular cleaning and maintenance become more convenient, the normal operation state of the fan can be kept, and the service life of the fan is prolonged.

The utility model relates to the technical field of abrasive conveying equipment, in particular to a fused alumina zirconia abrasive conveying device which comprises a conveying cylinder, a conveying motor is arranged on the rear side of the conveying cylinder, a feeding port and a breathable screen pipe are arranged on the outer side of the conveying cylinder, and a dust suppression mechanism is arranged at the top of the breathable screen pipe. According to the fused alumina zirconia abrasive conveying device, by means of the structural design in the dust suppression mechanism, a dust suction fan can guide dust, so that the dust enters the dust suppression box, under the combination of a circulating pump and an atomization spray head, the dust suppression efficiency is improved, and the dust suppression efficiency is improved. And water mist makes contact with dust, dust sedimentation is achieved, then the purpose of dust adsorption treatment is achieved, and the surrounding environment can be protected conveniently.

The invention relates to the technical field of delay configuration, and discloses a sampling delay dynamic adjustment method, terminal equipment and a storage medium, and the sampling delay dynamic adjustment method comprises the steps: receiving a plurality of test messages sent by a second chip based on the initial delay time of a first chip, and recording the wrong receiving times of all test messages; judging whether to reconfigure the sampling time of the first chip or not according to the wrong receiving times; if the sampling time is reconfigured, receiving the plurality of test messages sent by the second chip again based on the current preset delay time, and recording the current wrong receiving times; and judging whether the current preset delay time meets a preset condition or not according to the current wrong receiving times, and adjusting the current preset delay time to the optimal delay time of the first chip when the current preset delay time meets the preset condition. According to the sampling delay dynamic adjustment method, the optimal delay time of the RGMII port is dynamically adjusted under the condition that adverse influence factors change, and the purpose that the RGMII port can continuously and stably work is achieved.

The utility model discloses a comprehensive energy management control device which comprises a right-angle supporting foot and an energy control cabinet body installed at the top end of the right-angle supporting foot, a front door plate is installed on the surface of the energy control cabinet body through hinges, and two upper rectangular guide columns are symmetrically installed on the outer walls of the two sides of the energy control cabinet body in a sliding mode. The ends of the two upper rectangular guide columns in the same Y-axis direction both penetrate to the outside of the energy control cabinet body and are provided with side sealing plates, and one ends of the interiors of the side sealing plates are provided with air heat dissipation units. According to the utility model, the opening operation of the side sealing plate is simpler and more convenient, and the time and energy of operators are saved, so that the cleaning and maintenance efficiency is improved, the possibility that the operators contact electrical elements is reduced, the risk of accidental electric shock is reduced, and the active opening mode of the side sealing plate does not need to close the whole energy management system.

The utility model belongs to the technical field of automatic winding and packaging equipment, and particularly relates to automatic copper wire winding and packaging equipment which comprises a rack, the top end of the rack is connected with a winding and packaging mechanism, the side wall of the rack is provided with a control panel, and the top end of the rack is connected with a fixing column. Through cooperation of the servo motor, the threaded rod, the first sliding groove, the lifting rod, the first sliding block and the pressing plate, flexible lifting adjustment of the pressing plate can be achieved. On the basis, by means of the matched design of the pressing plate, the extension plate and the extrusion pin, the extension plate can extend out of the pressing plate, and the overall length is effectively increased. In this way, the situation that due to the tension effect of the packaging cloth, the copper wire moves in the winding and packaging process, and then the copper wire is disengaged from a clamping rod of the winding and packaging mechanism can be effectively avoided. In addition, due to the design, the position of the copper wire can be guaranteed, deviation of the copper wire is avoided, the winding and packaging efficiency of the copper wire is remarkably improved, and it is guaranteed that packaging work can be carried out more smoothly and efficiently.

The invention belongs to the field of hydrological data analysis, relates to a data processing technology, is used for solving the problem that the operation condition of terminal equipment in a hydrological detection region cannot be analyzed according to abnormal data in the prior art, and particularly relates to a hydrological water resource detection data analysis system, which comprises a verification analysis module, a region management module and a fault analysis module, the verification analysis module is used for periodically receiving the hydrological redundant data of the hydrological station network and sending the hydrological redundant data to the regional management module; the regional management module is used for performing regional management on the hydrological station network according to the hydrological redundant data and obtaining a fine set, a fault set and a neglect set; according to the method, regional management can be carried out on a hydrological station network, an invalid set composed of invalid values is screened, data support is provided for equipment fault state and data acquisition precision analysis according to a fault set and a fine set, and abnormal data in hydrological data is fully utilized.

This invention relates to the field of thin stone processing technology and discloses a high-efficiency cutting device for thin stone processing, including a processing frame. A cutting mechanism is provided on the top of the processing frame, and a fixing mechanism is provided on the top of the cutting mechanism. A recycling frame is fixedly connected to the top inner side of the processing frame, and a drainage frame is fixedly connected to the right side of the recycling frame. A cooling mechanism is provided inside the recycling frame. The cutting mechanism includes a cutting component and a water spraying component. The cutting component is located on the top of the processing frame, and the water spraying component is located on top of the cutting component. In use, when it is necessary to cut thin stone, the part to be cut is first placed on the top of the placement frame. The placement frame is located at the bottom of the cutting disc and does not overlap with the position of the cutting disc. Multiple sets of cutting discs are symmetrically distributed around the rotating shaft, which can realize multi-pass synchronous cutting of stone, greatly reducing the number of cuttings and improving processing efficiency.

The pressure device of the micro-pressure cooking utensil comprises a pot body with a containing cavity and a pot cover arranged on the pot body in a covering mode, the pot cover is provided with an air leakage channel which is communicated with the pot body and the outside and used for exhausting air and relieving pressure, and a first sealing ring used for sealing the air leakage channel is arranged in the air leakage channel in a penetrating mode. The first sealing ring is axially provided with an air release port capable of being communicated with the air release channel, the air release port is provided with a balance weight valve body capable of blocking the air release port, and when the air pressure in the pot body is larger than the gravity of the balance weight valve body, the balance weight valve body can be jacked up in the axial direction of the air release port. And the balance weight valve body can make an automatic response according to the internal air pressure condition, redundant air is released in time, and the pressure is effectively reduced.

The utility model relates to the technical field of stockbridge dampers, and discloses a power transmission line stockbridge damper which comprises a connecting block, the top end of the connecting block is fixedly connected with a first clamping plate, the rear side of the top of the first clamping plate is rotatably connected with a second clamping plate, the front end of the second clamping plate is fixedly connected with a first fixing block, and the interior of the first fixing block is in threaded connection with a bolt. And second fixing blocks are in threaded connection with the bottoms of the bolts, first springs which are evenly distributed are fixedly connected to the interiors of the second clamping plates, rubber pads are fixedly connected to the bottoms of the multiple first springs, extending blocks are fixedly connected to the left side and the right side of the top of the connecting block, and sliding blocks are slidably connected to the tops of the extending blocks. According to the utility model, the force bearing point of the power transmission line is increased by the stockbridge damper, the stability of the power transmission line is improved, and when the stockbridge damper is influenced by an earthquake or large wind power, the vibration transmission of the stockbridge damper is slowed down, the force borne by the structure is reduced, and the stability and the shock resistance of the whole system are improved through the increased force bearing point.

The embodiment of the application discloses a method, device, system and vehicle for determining expected flow of a range extender, the expected flow being expected flow of an exhaust gas recirculation valve of the range extender, the exhaust gas recirculation valve being communicated with one end of a mixing valve, an air flow meter being arranged in a communication pipeline at the other end of the mixing valve, the method comprising: acquiring collected quantity of the air flow meter, rotating speed and load of the range extender, and working state of the mixing valve; determining initial expected flow according to the collected quantity of the air flow meter, the rotating speed and the load of the range extender; and determining the expected flow of the exhaust gas recirculation valve according to the working state of the mixing valve and the initial expected flow. The method, device, system and vehicle for determining the expected flow of the range extender can guarantee the reliability of the determination of the expected flow and the operating state of the range extender.

The invention discloses a crushing device for mining, which relates to the technical field of mechanical processing, and comprises a jaw crusher, wherein the outer wall of the jaw crusher is fixedly connected with a support plate, the inner part of the support plate is rotatably connected with a movable jaw plate, the material of the movable jaw plate is wear-resistant alloy steel, the inner wall of the movable jaw plate close to the support plate is fixedly connected with a static jaw plate, a crushing chamber is opened between the movable jaw plate and the static jaw plate, the movement trajectory of the movable jaw plate swings along the crushing chamber, the top outer wall of the crushing chamber is provided with an intermittent opening and closing mechanism, the outer wall of the support plate is provided with an air suction mechanism, the inner wall of the static jaw plate close to the movable jaw plate is provided with a smoothing vibration mechanism, and the first connecting rod, the second baffle plate and the second connecting rod, the second baffle plate cooperate with each other, and the intermittent opening and closing mechanism can control the feeding speed and amount of the material to match the processing capacity of the jaw crusher, which helps to prevent excessive material from entering the crushing chamber.

The utility model relates to the technical field of automatic screw locking machines, and discloses an automatic screw locking machine which comprises a box body, a sliding table is fixedly connected to the inner wall of the box body, a first motor is fixedly connected to the right side of the box body, a first threaded rod is fixedly connected to the output end of the first motor, and a sliding block is slidably connected to the middle of the sliding table. The first threaded rod is in threaded connection with the interior of the sliding block, a screwdriver is fixedly connected to the bottom of the sliding block, a second motor is fixedly connected to the bottom of the front end of the box body, a second threaded rod is fixedly connected to the output end of the second motor, a containing table is slidably connected to the top end of the inner wall of the box body, and the second motor is rotationally arranged in the containing table in a threaded mode. According to the utility model, the adjusting and correcting effects of the automatic screw locking machine are realized, each screw is ensured to be tightened according to a specified angle, product defects caused by improper tightening of the screws are avoided, the assembly quality of products is improved, and corresponding standards are ensured to be met.

The utility model discloses a hydrogen fuel tractor tail exhaust system which comprises a water collecting tank, a low liquid level sensor and a high liquid level sensor which are used for monitoring the liquid level in the water collecting tank are arranged on the water collecting tank, a tail exhaust inlet connector and a tail exhaust pipe which are communicated with the interior of the water collecting tank are arranged on the water collecting tank, and a water drainage pipe is installed on the surface of the water collecting tank. A valve for controlling the drainage of the drainage pipe is mounted on the drainage pipe. The device is simple in structure, gas and water generated during power generation of the electric propulsion system are accelerated through mutual matching of the water collecting tank, the low liquid level sensor, the high liquid level sensor, the water discharging pipe and the valve, meanwhile, separated water in the water collecting tank can be discharged in time in real time, and therefore it can be guaranteed that the tail discharging structure is always kept in the running state, and the service life of the tail discharging structure is prolonged. And secondly, gas-water separation can be greatly increased, and meanwhile, the tail exhaust structure design changes the gas flow rate and direction, so that the effect of changing the tone is achieved.

The present application relates to a kind of thermal management system and its control method, specifically, a kind of AMT clutch thermal management system and the control method of the thermal management system.The system includes temperature sensor, signal interface, gearbox controller, heat exchange module, electric water pump and engine cooling system;Temperature sensor is installed on clutch pressure disc, and the output end of temperature sensor is electrically connected with the input end of gearbox controller by signal interface installed on clutch actuator;Heat exchange module is installed on the inner side wall of clutch shell, and the output end of engine cooling system is communicated with the input end of heat exchange module, and the input end is communicated with the output end of heat exchange module;Electric water pump is installed on the output end of engine cooling system, and its control end is electrically connected with the control end of gearbox controller.The present application can quickly heat or cool clutch pressure disc, keep clutch transmission torque characteristic at a stable value, and ensure the running state of vehicle.

The invention provides a fuel cell stack performance self-recovery control method and system and a vehicle, and relates to the technical field of fuel cells, and the method comprises the steps: obtaining the membrane resistance of each single cell in a fuel cell; and judging the proportion of the number of the single cells of which the membrane resistance is greater than the resistance threshold in the total number, judging whether the fuel cell is in a normal operation state according to the proportion, and executing preset operation on the fuel cell according to a judgment result. The normal operation state of the fuel cell can be ensured.

The present invention discloses a fully closed-loop high-precision servo electric cylinder, comprising an electric cylinder body and a control system for issuing control instructions thereto, wherein a ball screw, a built-in pressure sensor, a communication module, a coupling, a reducer and a servo motor are sequentially arranged at the upper end of the electric cylinder body from bottom to top, and an end displacement sensor is also arranged in the electric cylinder body for fully closed-loop monitoring of the position in the electric cylinder body; the present invention has a simple structure and is convenient and quick to use, and has a high-precision fully closed-loop control system by arranging a pressure sensor and a magnetic end displacement sensor inside the electric cylinder, and is also equipped with a communication module to integrate all external wirings in the electric cylinder, so that the data signal detected by the sensor can be transmitted by the communication module to the control system for feedback and analysis, thereby accurately reading the position signal of the guide push rod, and the communication module and the control system are connected by a data connection line to avoid transmission interference.