48results about How to "Timely reminder for maintenance" patented technology

The invention discloses an intelligent regulation system for an automobile central rearview mirror and a control method of the intelligent regulation system. The intelligent regulation system comprises a CPU (Central Processing Unit), a storage unit, a reversing module, a camera, a key set, a position detection module for detecting the front-and-back position of a driver seat and an angle detection module for detecting an inclination angle of the driver seat, wherein the reversing module comprises a first driving motor driving the central rearview mirror to rotate up and down and a second driving motor driving the central rearview mirror to rotate left and right; the camera is arranged on the top part of an automobile cab and is positioned in front of the driver seat; the CPU, the storage unit and the key set are arranged on an automobile console; the CPU is respectively and electrically connected with the storage unit, the first driving motor, the second driving motor, the camera, the key set, the position detection module and the angle detection module. According to the intelligent regulation system and the control method disclosed by the invention, the position of the central rearview mirror can be regulated in real time, the central rearview mirror is enabled to be positioned in an optimal position all the time, and an optimal view field is enabled to be obtained by a driver all the time.

The invention discloses an equipment maintenance reminding method and device. The method comprises the following steps: receiving the use frequency and the previous maintenance time of equipment in amaintenance period from the equipment; Judging whether any one of the following conditions is met: whether the use frequency of the equipment in the maintenance period exceeds a threshold value, or whether the time interval from the previous maintenance time exceeds the maintenance period; And when any one condition is met, sending a reminding message to the equipment, wherein the reminding message is used for reminding the equipment of maintenance. In addition, the invention further discloses a device corresponding to the method. By implementing the scheme, a user can be timely reminded to maintain the equipment, and the service life of the equipment is prolonged.

A motor compensation control method for a driverless vehicle comprises: acquiring, by a controller, next turning action parameters of the vehicle according to a planned route, including turning angle u and completion time t; requesting, by the controller, to a vehicle condition database for current motor state and transmission system state; requesting, by the controller, to the vehicle condition database for determining motor compensation coefficient a according to the motor state; requesting to the vehicle condition database for determining transmission system compensation coefficient b according to the transmission system state, wherein the vehicle condition database includes an inspection-maintenance database and a delivery database, motor compensation coefficient a1 and transmission system compensation coefficient b1 in the inspection-maintenance database are updated according to latest inspection-maintenance record, and correspondence between the motor compensation system A1 and transmission system compensation coefficient B1 and the driving time in the delivery database are calibrated before delivery; a steering motor control method is modified in order to compensate steering angle deviation during autopilot, so that better autopilot effect is achieved.

The invention discloses a manufacturing method of excavator bucket teeth. The method comprises the following steps that bar materials are weighed; the bar materials are heated; the heated bar materials are sent into a hot shearing machine at forging temperature for shearing blanking; the shearing length is automatically adjusted according to the calculated mass and size of per unit length, and it is guaranteed that sheared small materials are uniform in weight; forging forming, polishing and cleaning, quenching after forging, tempering and inspecting and packing are sequentially conducted. Therefore, the production efficiency is improved, the production cost is reduced, and meanwhile the product quality is guaranteed.

The invention provides a system for intelligently recovering heat of waste hot water in a residential area. The system comprises a waste water storage tank, a hot water storage tank and a heat pump, wherein the heat pump is respectively connected with the waste water storage tank and the hot water storage tank; the waste water storage tank, the hot water storage tank and the heat pump are all connected with an intelligent control system; the intelligent control system comprises an information acquisition device, a main control module, a valve control module and a water pump control module; themain control module is respectively connected with the information acquisition device, the valve control module and the water pump control module through a communication module; and the information acquisition device is respectively connected with the waste water storage tank, the hot water storage tank and the heat pump through the communication module. According to the system, the main controlmodule is used for processing the data transmitted by a sensor to predict the water consumption, so that the recovery efficiency of the heat of the waste hot water is improved; and a deep learning algorithm is used for carrying out fault diagnosis for the system, so that equipment faults are found conveniently, workers are reminded of carrying out equipment maintenance in time, and the stability of the system for intelligently recovering the heat of the waste hot water is improved.

The embodiment of the invention provides a VRV(variable refrigerant flow) air conditioner indoor unit online detection method and device and a VRV(variable refrigerant flow) air conditioner, and relates to the technical field of VRV air conditioners. The VRV air conditioner indoor unit online detection method comprises the steps: online number of indoor units communicating with an outdoor unit normally is obtained; and when the online number is smaller than a preset value, the indoor units are controlled to execute corresponding actions according to the communication states of the indoor unitsand the outdoor unit so as to distinguish the indoor units in different communication states with the outdoor unit. Therefore, when the indoor unit abnormally communicating with the outdoor unit occurs, a user can quickly discriminate the offline indoor unit, and related personnel can be reminded in time to maintain the indoor unit.

The invention discloses a device and method for detecting exterior rearview mirrors of vehicles. The device comprises a controller and a microphone module, wherein the controller sends an action instruction to a detected exterior rearview mirror so as to drive the detected exterior rearview mirror to act; when the detected exterior rearview mirror acts, the microphone module obtains a sound signalduring the action of the detected exterior rearview mirror and sends the sound signal to the controller; the controller compares the sound signal with a pre-obtained reference sound signal; if the sound signal is matched with the reference sound signal, the detected exterior rearview mirror works normally; and if the sound signal is not matched with the reference sound signal, the detected exterior rearview mirror is abnormal, so that the working state of the exterior rearview mirror can be detected timely, users can be timely reminded to carry out overhauling before the detected exterior rearview mirror has faults, and then the driving safety and user experience are improved.

The invention relates to an intelligent remote Internet of Things water meter core capable of preventing foreign matter from getting stuck. The water meter core comprises a meter core component, and the meter core component comprises a filter net, an impeller box, a water stopping plate, an impeller body and a plurality of impellers. The filter net is arranged on the lower portion of a meter shellbody, the impeller box is arranged above the filter net, the impeller body is rotatably mounted in the impeller box, the impellers are fixedly connected with the impeller body, a silica gel blade isarranged at the tail end of each impeller, and the water stopping plate is mounted at the upper end of the impeller box. According to the water meter core, a soft-material silica gel blade is arrangedat the tail end of each impeller, so that sand which cannot be intercepted after filtration with the filter net is conducted in water smoothly passes through the soft-material silica gel blades, andthe problem of sand sticking is solved.

The invention belongs to the field of new energy automobiles and aims to provide a new energy automobile management method capable of finely managing the battery of a new energy automobile. The method comprises the following steps of: S1, unit voltage measurement for measuring the voltage of each unit battery; S2, unit temperature measurement for measuring the temperature of each unit battery; S3, battery information feedback for feeding back the voltage and the temperature of each unit battery to an onboard ECU and enabling the onboard ECU to generate a chart to provide information for a driver via a display module; S4: multi-platform checking for enabling the onboard ECU to send the voltage and temperature information of each unit battery to a cloud service platform via a wireless module, and enabling the cloud service platform to send the chart information to a mobile terminal and a computer terminal. Also disclosed is a new energy automobile management system.

Provided is a hydraulic accessory working condition monitoring system with a positioning function. The monitoring system comprises a mobile station, a wireless communication device, a monitoring center, an electronic map system and a display, wherein the mobile station is a monitoring device installed on a hydraulic accessory and connected with the wireless communication device through a GPRS network; the wireless communication device is a wireless data communication device and connected with the monitoring center; the monitoring center is a monitoring information server arranged at a far end and connected with the electronic map system and the display correspondingly; the electronic map system is a geographic information system (GIS) and used for acquiring, processing and analyzing the spatial information of geographic data; and the display is used for displaying the monitoring information and relevant graphs. The hydraulic accessory working condition monitoring system has the effects that every hydraulic accessory is made to have the functions of monitoring the working condition and the number of working time of the hydraulic accessory, data collection and remote interaction, big data processing is convenient, a customer is reminded to conduct maintenance in time, and failure causes are analyzed. Also the hydraulic accessory working condition monitoring system has the advantages of being reasonable in structural design, high in reliability, complete in function and the like.

The invention discloses an artificial intelligence monitoring device for preventing automobile oil leakage. The artificial intelligence monitoring device comprises an oil tank, an oil pipeline and a mounting frame, wherein a mounting plate is fixedly connected with the bottom of the oil tank, rectangular frames are fixedly connected with the top of one side of the inner wall and the top of one side of the mounting frame correspondingly, and the tops of the rectangular frames penetrate through the mounting plate and extend into the inner portion of the mounting plate. Fixing grooves fit with the rectangular frames are formed in the two sides of the bottom of the mounting plate, horizontal plates are fixedly connected between the two sides of the inner walls of the rectangular frames, sliding plates are slidably connected between the two sides of the inner walls of the rectangular frames, and connecting plates are fixedly connected to one sides, opposite to the sliding plates, of the horizontal plates. The invention relates to the technical field of automobile monitoring equipment. According to the artificial intelligence monitoring device for preventing automobile oil leakage, a monitoring device can be conveniently installed, the operation is simple and fixing is very firm, and multiple persons are not required to install the device, so that the labor cost is reduced, and the safety guarantee is further provided for drivers.

The invention provides a power monitoring instrument capable of automatic voice broadcast. The instrument comprises a master control unit, a signal collection circuit unit, a clock unit, a memory unit, a display screen unit, a communication interface unit, a voice control chip unit, a loudspeaker, a button unit, an alarm and a power supply unit; monitoring voltage and current are input to the input end of the signal collection circuit unit, and the output end of the signal collection circuit unit is electrically connected with the master control unit; the clock unit, the memory unit, the display screen unit and the communication interface unit are in bidirectional connection with the master control unit; the output end of the master control unit is electrically connected with the input end of the voice control chip unit, the output end of the voice control chip unit is electrically connected with the loudspeaker, and the control end of the button unit is electrically connected with the loudspeaker. and the control output end of the master control unit is connected with the alarm. The power monitoring instrument has the advantages that the collected power parameters including voltage and current can be broadcast automatically, convenience is provided for meter reading, and the parameter reading efficiency and accuracy are improved.

Disclosed is an undershaft air door locking device for mining. The undershaft air door locking device comprises a waterproof tank, a top tank, a bottom plate and at least two door frames, wherein thetop of the waterproof tank is open, the open end is sealed through the bottom plate, the bottom plate is flush with the ground of a roadway, the door frames are installed on the side walls of the roadway, the tops of the two door frames are connected and fixed through a top plate, and the top tank is fixed to the top plate; the bottoms of the door frames are fixed to the interiors of water collection inner hoods of water collection hoods, the door frames are respectively provided with door through grooves, door slide grooves and guide holes, and the interior of the top tank communicates with the interior of the waterproof tank through the guide holes; a door plank is slidably installed in each door slide groove, and the outer walls of the door planks and the inner walls of the door slide grooves are in sealable and slidable fitting; the top of one door plank and the corresponding chain block are fixedly assembled, each chain block and one end of a first chain are fixedly assembled, andthe first chain and the other door plank are fixedly assembled through the other chain block after the first chain is wound around the two first chains separately; and a connecting ring is arranged at the bottom of one door plank and fixedly connected with one end of a second chain, and the other end of the second chain and a connecting ring of the other door plank are fixedly assembled after theother end of the second chain penetrates out of a connecting sleeve.

The invention belongs to the technical field of elevator management, and particularly relates to a public elevator comprehensive intelligent management and control system. The system comprises a people number monitoring subsystem. The people number monitoring subsystem detects the number of people in a lift car and the weight borne by a lift and presets the safety people number and the safety bearing weight of the lift car. The people number monitoring subsystem outputs the acquired people number and bearing weight in the lift car. When a fault is found, overhauling operation can be carried out in time. A clock module is arranged to record the service time and the maintenance period of the lift so that workers can be reminded of overhauling and maintaining the lift in time, and the servicelife of the lift is guaranteed. A temperature control subsystem is arranged to control the temperature in the lift car conveniently regulated, so that the comfort feeling of taking the lift is leveled up. A fault alarm end can warn people in the lift car, can upload information to a monitoring center to give out an alarm, tasks are directly sent to maintainers through a maintainer end, and quickness and convenience are achieved.

The invention discloses a vibration motor, and belongs to the field of a motor. The vibration motor comprises a casing, wherein an output shaft is rotationally arranged in the casing, the side wall of the casing is provided with two coils in opposite arrangement, an alternating current power supply is introduced into each coil, an armature component responding to the coils is fixedly arranged on the output shaft, and an armature responds to magnetic field changes in the coils, so that the output shaft does rotation at a specific angle along the axis, a triggering switch is arranged in the casing and is positioned beyond the swinging angle of the output shaft, and when the swinging angle of the output shaft is abnormal, the armature arranged on the output shaft is in contact with the triggering switch. Compared with the prior art, the vibration motor has the advantages that when a nursing tool swings at an abnormal angle, the abnormity is detected through the triggering switch, so that a user is reminded to repair and maintain the nursing tool in time.

The invention discloses a sensor with an error detection function. The sensor comprises a top plate, a body, a connecting plate, a jacket plate, a sliding chute, an extension rod, a first screw rod, arotary rod, a clamping rod, a protective shell, a display screen, a buzzer, a fixing block, a second screw rod, a nut, a limiting plate, a transverse rod and a spring. The sensor is simple in structure, and can be used for detecting object movement. Moreover, an error generated by the object movement is displayed through the display screen, so that the accurate position of each object movement can be known immediately. Through the design of the jacket plate, connection of the sensor is facilitated, and limiting of the sensor is facilitated. In addition, through the design of the protective shell, the sensor is protected when not in use, and the influence of dust piling on the service life of the display screen is avoided. Through the design of the limiting plate, fixing of the top plate is facilitated; mounting of the sensor is facilitated; fixing of the sensor is facilitated; the operation convenience is improved; and the operation difficulty is lowered.

The invention discloses a distribution line fault detection and analysis positioning system. The system comprises a cloud service platform, a data acquisition module, a data analysis module, a characteristic parameter integration module, an intelligent terminal, a fault analysis positioning module, a warning module and a database. According to the invention, pollution flashover, closing, single-phase grounding, short circuit, lightning stroke and other abnormal conditions of a power distribution line insulator can be detected, and the data analysis module and the characteristic parameter integration module are utilized to carry out single-item and integrated analysis on collected data, so that the power distribution line fault analysis result is more accurate, and people can be timely reminded to maintain the power distribution line.

The invention discloses a 485 communication automatic switching circuit and a control method. The 485 communication automatic switching circuit comprises a connector, a 485 communication module, and arelay switching circuit, wherein the 485 communication module is electrically connected with the connector; and the relay switching circuit is connected between the 485 communication module and the connector and can switch a communication loop between the 485 communication module and the connector. The 485 communication automatic switching circuit provided by the invention can automatically identify the communication condition of indoor and outdoor units, does not need to change the wiring mode when judging that wiring errors occur between the 485 communication module and the butt joint control panel, and automatically controls the relay switching circuit to act, so as to realize automatic switching of the 485 communication module and the butt joint control panel. Therefore, the communication loop between the 485 communication module and the connector can be automatically switched, the operation is simple and convenient, the relay is equivalent to a wire, the problem of signal delay is avoided, and the use experience of a user is better.

The invention discloses an infrared temperature measurement camera early warning method. The method comprises the following steps: scanning the face of a user in the moving process of the user to obtain identity data, comparing the identity data with recorded data to check qualification of the user, and detecting the position relation between the user and the center point of a detection area; sending an instruction according to the position relation, and starting to measure the temperature after the user moves to the center point of the detection area; and giving a first alarm according to thetemperature measurement result, and meanwhile, sending a second detection instruction to the user to make the user touch a thermometer, and carrying out secondary comparison according to the temperature detected by the thermometer, and giving an alarm to the user. According to the infrared temperature measurement camera early warning method, when the infrared temperature measurement camera is abnormal, secondary detection is carried out on the user, so that the temperature detection precision cannot be guaranteed, meanwhile, inconvenience brought to use due to equipment faults can be avoided,and workers can be reminded in time to continue to maintain the infrared temperature measurement camera.