79results about How to "Meet maintenance requirements" patented technology

The invention relates to a device and a method for testing health state of a battery, wherein the device comprises a main control module and the following modules that are connected with the main control module: an input module, a discharging load module, a voltage/current/temperature signal collecting module and an output module. The method comprises the steps of correcting CCA (Common Communication Adapter) and calculating the reference internal resistance R0 of the tested battery according to the testing standard, the battery type and the environmental temperature; measuring the voltage change rate DV and the current change rate DI of the measured battery by conducting and disconnecting the discharging load (recovered); calculating the practical dynamic battery resistance R which is equal to DV/DI; calculating the state of charge of battery SOH that is equal to (R-R0)/R0; and outputting the testing result or corresponding testing prompt of the health state according to the battery voltage V and SOH. According to strict verification of discharge test, the estimation precision of the testing device and the testing method can achieve within 5%, can be repeatedly tested, do not need strict conditions, have high automation degree, and can meet the practical maintenance requirements of the battery.

The invention discloses an ultrahigh-definition signal conversion device and a conversion method thereof. The ultrahigh-definition signal conversion device is connected with a movement board of a television and comprises a signal receiving module and a signal conversion module, wherein the signal receiving module is used for receiving V-BY-ONE signals outputted by a mainboard, performing data initialization on the V-BY-ONE signals and outputting the V-BY-ONE signals subjected to data initialization to the signal conversion module, and the signal conversion module is used for converting the V-BY-ONE signals into LVDS (low-voltage differential signaling) to output and converting the LVDS into HDMI (high-definition multimedia interface) signals and VGA (video graphics array) signals to output. All maintenance points can know maintenance conditions by the aid of common FHD (full-high-definition) screen tooling equipment supportive to LVDS, HDMI signal or VGA signal input, so that the maintenance requirements of mainboards of ultrahigh-definition televisions are met, configuration of an ultrahigh-definition screen is unneeded, after-sales maintenance cost is reduced greatly and the device and the method are high in universality and convenient for maintaining the mainboards of the kind.

The invention belongs to production of track boards, and particularly relates to a pre-tensioning method prestressed concrete track board production line maintaining system and application thereof. The maintaining system comprises a steam-maintaining chamber which is arranged between working tracks matched with a mold and provided with an automatic door, a nozzle which is arranged in the steam-maintaining chamber and connected with a constant temperature water supply device, a temperature detection device and a temperature control device, wherein the temperature detection device and the temperature control device are connected with a center control device; a walking track and a transfer pulling device used for pulling a mold are arranged on the ground in the steam-maintaining chamber; thewalking track is connected with the working tracks outside the steam-maintaining chamber; the temperature and humidity detection device comprises a core temperature and humidity sensor, a surface layer temperature and humidity sensor and an environment temperature and humidity sensor; and the temperature control device comprises a steam supply device and an air cooling device. The technical problems that in the prior art, maintaining measures are simplex, and existing standard requirements cannot be met are effectively solved, and the maintaining system has the advantages that the existing standard requirements are well met, high-efficiency assembly line production can be achieved, and automatic control is achieved easily.

The invention discloses an automatic stalling method for an engine. The method comprises: a running state detection step of detecting the running state of a vehicle, wherein the running state comprises a stationary state and a motion state; a driving position detection step of judging whether a driver is at the driving position of the vehicle or not; an engine state detection step of detecting the movement state of the engine, wherein the movement state comprises a stopped state and a rotating state; an execution step of transmitting a stalling signal to an execution mechanism by using a controller in the stationary state and the rotating state under the condition of no driver, and stalling the engine by using the execution mechanism. Whether the vehicle is in the stationary state or not, whether the driver is at the driving position or not and whether the engine rotates or not are judged, and the engine is stalled under the conditions that the vehicle is in the stationary state, the engine is in the rotating state and the driver is not at the driving position, so that engine abrasion caused by the long-time operation of the engine is prevented, and meanwhile, energy sources are saved.

The invention relates to a trackless deformation gantry crane. The trackless deformation gantry crane comprises a rack (1). The two sides of the rack are both provided with guide supporting pipes (1b). The two sides of each guide supporting pipe are both slidably connected with horizontal guide pipes (2). Each horizontal guide pipe is connected with a vertical sleeve (3). The lower side of each vertical sleeve (3) is connected with a supporting pipe (5) in a sleeving mode. A locking device (6) is arranged between each vertical sleeve and the corresponding supporting pipe. The lower side of each supporting pipe (5) is connected with a traveling device (7). A hoisting device (9) is connected to the rack. The trackless deformation gantry crane has the advantages of being suitable for traveling on flat roads, circular curved surfaces and slopes, capable of steering on the flat roads, the circular curved surfaces and the slopes, meeting the requirement for lateral displacement on curve sectional lines and meeting various height requirements for goods hoisting on various section cross section lines and capable of meeting the requirements for three-dimensional six-degree-of-freedom adjustment of goods hoisting under various working conditions.

The invention provides a brush pen holder, and relates to an office supply, in particular to a pen holder with a function of naturally drying a brush pen in the shade. The pen holder comprises a base, a supporting rod and a hook, wherein the lower end of the supporting rod is fixed on the base, and the hook is fixed on the upper part of the supporting rod in a radial mode. The pen holder is characterized in that the pen holder also comprises a top tray and a falling curtain, wherein the top tray is fixed at the top end of the supporting rod, the radius of the top tray is larger than the length of the hook, and the falling curtain is movably connected to the edge of the top tray through a sliding track. The pen holder can keep the brush pen in a shady ventilating environment all along, and accords with the requirement of maintaining the brush pen.

The invention relates to a lifting working platform, comprising a working plate, a bottom frame, an upright post and a lifting tube; wherein, the lifting tube is arranged at the lower end of the working plate; the upright post is arranged on the bottom frame; the lifting tube is sleeved into the upright post; the bottom frame is provided with a universal wheel; two flutes are vertically positioned on the upper part of the outer wall of the upright post and a through hole is arranged at the lower part of the upright post; a guide groove is positioned on the outer wall of the lifting tube from top to bottom; a screw thread hole which is corresponding to the through hole is arranged at the lower part of the guide groove; and a stop nut goes through the through hole and is locked to the screw thread hole. The working table of the invention is safe and stable in sharp rising and falling, fixed and simple in operation, and convenient for the classification placement of tools, can be inserted deep into bottoms of cars and is suitable for a plurality of occasions.

The invention relates to a maintenance method for a blast furnace hearth. The method adopts the technical scheme that: when the temperature measured by a thermocouple at a position rises sharply and the variation value of the water temperature difference of a corresponding cooling wall 2 is less than 1 DEG C, the position of the thermocouple is taken as a datum hole 3, and the positions of the six vertical slits of the corresponding cooling wall 2 are determined as grout holes 1 respectively; after drilling and cleaning, grouting is started from the datum hole 3, and the grouting is performed on the grout holes 1 from bottom to top successively; and the temperature measured by the thermocouple and the water temperature difference of the cooling wall 2 are monitored and recorded, and if the variation value of the water temperature difference of the cooling wall 2 is more than 1 DEG C, a heat insulating layer is filled sufficiently, and the maintenance is finished; otherwise, the grouting is repeated until the variation value of the water temperature difference of the cooling wall 2 is more than 1 DEG C. The method is simple in determining positions with problems, can find the problem in a hearth zone correctly, has simple construction process and low cost, and avoids the influence on normal production of a blast furnace and improves the service life of the blast furnace during the maintenance.

The invention discloses a buoy water quality monitoring station. The buoy water quality monitoring station comprises a supporting body, a battery panel, a control box, a plurality of sensor mounting bins and a cavity, wherein the battery panel and the control box are arranged on the supporting body, the cavity is fixedly arranged under the supporting body, and the sensor mounting bins are annularly and evenly arranged on the periphery of the cavity; each sensor mounting bin comprises a sensor bin wall, a first cleaning air channel insertion hole, a sensor cable hole, a sensor sealing hole, a second cleaning air channel insertion hole and a plurality of cleaning air vent holes, wherein the first cleaning air channel insertion holes and the sensor cable holes are formed in the upper portionsof the sensor mounting bins, the sensor sealing holes and the second cleaning air channel insertion holes are formed in the middles of the sensor mounting bins, and the cleaning air vent holes are formed in the lower portion of the sensor mounting bins. The buoy water quality monitoring station has the advantages that the sensor mounting bins with annular and evenly-distributed structures are adopted, not only is the installation of sensors achieved, but also the requirements of filtering, cleaning and maintaining are satisfied.

The invention discloses a single-sided slight-lifting lifting device for automobile maintenance, and relates to the technical field of lifting machine equipment. The single-sided slight-lifting lifting device comprises a substrate; a first fixed block is fixed in the middle of the upper surface of the substrate, and first guide rails are fixed on one opposite side of the first fixed block; the twofirst guide rails are in sliding connection with sliding blocks, one surface of each sliding block is fixed with a supporting plate through a connecting block, and a vehicle travelling groove channeland a guiding groove are formed in the upper surface of each supporting plate; each guiding groove is internally connected with a sliding plate in a sliding mode through a guiding block, and positioning seats are mounted on the upper surfaces of the sliding plates side by side through a second guide rail; and the two positioning seats are internally matched with rotating shafts rotatably, and oneend of each rotating shaft is fixedly connected to a limiting frame. According to the single-sided slight-lifting lifting device, the movement of the front or rear wheels of a car is limited by usingthe adjustable limiting frames, the rear or front part of the car is slightly lifted by using power telescopic rods, the time-consuming and labor-intensive problems caused by the traditional whole car lifting are solved, and the higher market promoting value is achieved.

The invention relates to a portable type heat pipeline detection device. The portable type heat pipeline detection device is characterized by comprising a rod body and a data acquisition box, wherein one end of the rod body is hinged with a sensor bracket; the sensor bracket is provided with a micro-magnetic sensor, an infrared temperature sensor and a humidity sensor; and the micro-magnetic sensor, the infrared temperature sensor and the humidity sensor are connected with the data acquisition box by lead wires. The data acquisition box is connected with a controller by a lead wire. The device combines a micro-magnetic detection method, an infrared temperature detection method and a humidity detection method and can be used for accurately judging the partial leakage of a heat pipeline, so that the unnecessary wastes of manpower, material resources and time in a digging process are reduced, and the requirements of maintenance and normal utilization of the heat pipeline are met.

The invention discloses a standardized intelligent maintenance management control system for parts, and belongs to the technical field of maintenance control of parts. The system comprises at least one maintenance workbench and a management control system. The maintenance workbench comprises a customization tool with an RFID function, an RFID system, man-machine interaction equipment, digital equipment with an infinite transmission system, maintenance intelligent error-proof and leakage-proof assembly auxiliary equipment and a customization tool. The management control system comprises a process control unit, a visual operation instruction, a data acquisition unit, a data judgment unit, a personnel management unit and a data analysis and statistics unit. Monitoring and control of the partmaintenance process can be achieved, it is guaranteed that maintenance of the parts is executed according to the standardized process, meanwhile, work of operators can be monitored, all data in the maintenance process can be recorded, and standardized value maintenance and life cycle management of the parts are achieved.

The invention discloses a call center agent service telephone switching system and a method. A VCM is used for modifying a database and service numbers used for switching are added in an agent service number list; the service number after chosen and switched by the agent is a PSTN number or a PLMN number, an updated message is sent to a CTI and the agent service number is updated; the CTI sends a quit message of a VOIP number which is the service number before switching to an ACD; the agent sends a cancellation message to the ACD and the VOIP number is cancelled; and the ACD sends a confirmation message respectively to the agent and the CTI to finish switching of the service number. According to the system and the method disclosed by the invention, a seamless and smooth switching mode is realized in the condition where the agent is absent temporarily, and switching of the agent service numbers can be realized; voice channel disaster recovery requirements of the agent service and agent service continuity can be realized, and demands of low system investment, easy construction and maintenance by a client can be met.

A special 72.5 kV ring main unit for offshore wind power belongs to the technical field of power switches, and solves the problems that a 35kV ring main unit cannot be applied to a 72.5 kV system due to the limitation of voltage class, and the traditional high-voltage gas insulated switchgear and dry air insulated high-voltage gas insulated switchgear have large air leakage problems and are very inconvenient to maintain and repair. The ring main unit is characterized by comprising an upper gas tank serving as a circuit breaker gas tank and a lower gas tank serving as a submarine cable connecting gas tank, a first sealed operating mechanism is mounted outside the upper gas tank, and a second sealed operating mechanism and a third sealed operating mechanism are mounted outside the lower gas tank. The beneficial effects of the ring main unit are that one ring main unit simultaneously realizes the connection with a transformer at the generator side and the ring network connection with submarine cables at the two sides of a wind tower, the structure is compact, a sealed operation mechanism prevents the corrosion of salt mist and humid environment on the metal surface, and the requirements of offshore wind power on the transportation, installation and maintenance of electrical equipment are met.

The invention discloses maintenance apparatus capable of realizing feedback and control over plants of different species and a control method of the apparatus. The maintenance apparatus capable of realizing feedback and control over plants of different species comprises a water tank, a soil moisture sensor, a power supply unit and a control unit; the control unit comprises a user input interface,a controller, a plant species recognition module and a GPRS module; the power supply unit comprises a battery and a power detection module; one end of the soil moisture sensor is connected with the controller while the other end of the soil moisture sensor is provided with a plurality of probes; the water tank comprises a water inlet and a water outlet; a plurality of water outlet pipes are arranged at the water outlet, wherein a solenoid valve and a nourishment injection port are arranged on each of the water outlet pipes; stirrers are arranged inside the water outlet pipes under the nourishment injection ports; and motors are arranged outside the water outlet pipes under the nourishment injection ports. The control method of the apparatus disclosed by the invention comprises the following steps: setting moisture values and watering duration of flowers in the system according to species of the flowers, and periodically feeding information about plant watering and battery powder back to the users; and thus, maintenance requirements of different plants under different humidity conditions are met so as to realize the purpose of intelligent flower raising.

The invention provides a spraying device and method for improving the surface strength of PC bricks, and belongs to the technical field of spraying maintenance. The spraying device for improving the surface strength of the PC bricks comprises a spraying trolley and a track, the track is laid on a middle passageway of a finished PC brick stacking area, and the spraying trolley is arranged above the track. The spraying method comprises the steps of working signal receiving, working environment detecting, spraying operation, spraying trolley water supplementing and the like. A mobile phone of an operator or other terminals are connected through wireless signals to set operation parameters, the spraying trolley operates automatically, production operation is more intelligent, labor cost is saved, working efficiency is improved, spraying operation is atomization spraying, atomized water drops are absorbed by the surfaces of the PC bricks more easily, the maintenance effect is better, the quality of the PC bricks is higher, a larger spraying area can be achieved with the same water amount, water resources are saved, and the trend of clean production, energy conservation and emission reduction is met.

The invention discloses equipment for single track tunnel inverted arch construction, and relates to the technical field of inverted arch construction. The equipment for single track tunnel inverted arch construction comprises a horizontal stabilizing fixing bottom plate and vertical connecting supporting columns, the two sides of the top of the horizontal stabilizing fixing bottom plate are fixedly connected with the bottom ends of the vertical connecting supporting columns separately, and a horizontal stabilizing top plate is fixedly connected to the top ends, far away from the horizontal stabilizing fixing bottom plate, of the vertical connecting supporting columns. According to the equipment for single track tunnel inverted arch construction, rolling wheels can be driven to automatically move or move on the track surface under rotation of an auxiliary motor, therefore, the purpose that maintaining liquid is stirred on the working face on the site is achieved, the functionality of the maintaining liquid is effectively improved through newly-blended mixed curing liquid, the problems of nonuniformity and low efficiency in an manual on-site blending method are avoided, the curing effect is greatly enhanced, the using function of a curing rack is effectively guaranteed, and the safety of the curing rack is improved.

The invention discloses a vehicle diagnosis method, system and device and a storage medium. The vehicle diagnosis method comprises the following steps: establishing communication connection between a user terminal and a server cluster; sending a diagnosis request to the distribution server; selecting one diagnosis server in the plurality of diagnosis servers, and sending the diagnosis request to the selected diagnosis server; forming a diagnosis instruction according to the diagnosis request, and sending the diagnosis instruction to diagnosis equipment of the vehicle; obtaining vehicle information of the vehicle according to the diagnosis instruction, and sending the vehicle information to the selected diagnosis server; and forming a diagnosis report according to the vehicle information, and sending the diagnosis report to the user terminal. According to the vehicle diagnosis method, the vehicle is remotely diagnosed through the distribution server and the multiple diagnosis servers, it is guaranteed that the server cluster can respond to the diagnosis request of the user terminal in time, the user terminal can obtain the vehicle information in time, and the requirement of people for vehicle maintenance guarantee is met.