Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

3239results about How to "Fix damage" patented technology

Method for controlling application to be used and intelligent terminal

InactiveCN103607513APrevent addictionAddressing health-causing harmSubstation equipmentTime rangeMobile phone
The invention discloses a method for controlling an application to be used and an intelligent terminal. The method comprises the following steps that a limited use time range of the application is set; when the application is started, firstly whether the current time is in the limited use time range of the application or not is judged, if the current time is in the limited use time range of the application, the application is forbidden to be started, and if the current time is not in the limited use time range of the application, the application is normally started; after the application is normally started, a system obtains the current time in real time, whether the current time reaches the limited use time range of the application or not is judged, and if the current time reaches the limited use time range of the application, the application is forced to be shut down. According to the method, it is effectively ensured that the application cannot run for a long time in an unlimited mode, a user is prevented from being addicted to using the intelligent terminal like a mobile phone for a long time, and the problem of the damage, caused when the user uses the intelligent terminal for a long time, to the health of the user can be solved. The intelligent terminal is suitable for all kinds of people, and particularly suitable for the user with the poor self-control ability.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Method for testing electrochemical corrosion of welded pipe seam in high-stress state and sample of welded pipe seam

The invention relates to a method for testing electrochemical corrosion of a welded pipe seam in a high-stress state, which utilizes an electronic universal testing machine, an electrolytic cell component comprising a working electrode, an auxiliary electrode, a reference electrode, a salt bridge and the like, and an electrochemical workstation. Under a load stress of between 0 and 800 MPa, the stress change caused by stress relaxation is corrected regularly by a constant potential method or a constant current method to test the circumferential tensile stress of the welded pipe seam and the circumferential tensile stress of the working electrode. A tensile sample is wide and thick at both ends and narrow and thin in the middle part and is provided with connection holes at both ends. A groove corrosion depth d1 and an average corrosion depth d2 of the working electrode are tested under different loads, so a groove corrosion susceptibility coefficient alpha, alpha=d1 / d2, of the working electrode in practical application can be obtained. The method has no stress relaxation, and the stress is convenient to regulate during test; the sample is free from generating plastic deformation or detachment under the load of high stress, and can be used for corrosion test under the condition of high stress; and the electrochemical workstation can be made full use for testing.
Owner:BAOSHAN IRON & STEEL CO LTD

Device for installing carton handles

The invention relates to a device for installing carton handles, and the device provided by the invention comprises a frame part, a carton conveying part, a reinforcing belt installation part, a handle belt installation part and a control part, wherein the frame part is a frame mechanism formed by connecting two side plates with a beam, a pressing plate mechanism is sectionally arranged above the frame, and the elastic pressing plate of the pressing plate mechanism presses a moving carton; the carton conveying part is composed of a paper feed mechanism, a quick holding mechanism and a conveying mechanism; the reinforcing belt installation part comprises a reinforcing belt conveying mechanism, a reinforcing belt cutting mechanism, a reinforcing belt heat-sealing mechanism and a punching mechanism; and the handle belt installation part comprises a handle belt conveying mechanism, a handle belt cutting mechanism, a handle belt clamping mechanism, a handle belt piercing mechanism, a handle belt dispatching mechanism and a handle belt heat-sealing mechanism. Compared with the existing manual installation mode, the device disclosed by the invention has the characteristics that the carton handles can be installed quickly and safely, and through replacing the traditional manual operation with mechanized and automated operation, the purposes of saving manpower and material resources, improving the efficiency and reducing the cost are achieved.
Owner:保定市汉德新材料科技有限公司

Air conditioner and detection control method and device for abnormal coolant circulation of air conditioner

The invention belongs to the technical field of air conditioner control, and provides an air conditioner and a detection control method and device for the abnormal coolant circulation of the air conditioner. The method comprises the steps of in the operation process of the air conditioner, obtaining corresponding rated input power from a preset correlated database according to outdoor environment temperature, indoor environment temperature, operation frequency of a compressor and the opening degree of an expansion valve, judging that the coolant circulation is abnormal when the difference between the current air conditioner input power and the rated input power is larger than a power difference reference value, recording the abnormal times, and restarting the compressor to drive the coolant circulation to restore normal after the compressor is stopped for certain time if the abnormal times do not achieve the preset continuous abnormal times; if the normal times achieve the preset continuous abnormal times, showing that the coolant circulation cannot be restored normal, controlling the air conditioner to be stopped to avoid the damage of the compressor, and sending an abnormal prompt to notify a user, thus solving the problem that the air conditioner compressor is damaged due to the fact that the expansion valve of an air conditioner outdoor unit is blocked by a coolant.
Owner:GUANGDONG MIDEA GRP WUHU REFRIGERATING EQUIP CO LTD

Reverse circulation aerodynamic cavitation method for coalbed methane well and equipment

The invention discloses a reverse circulation aerodynamic cavitation method for a coalbed methane well and equipment. The reverse circulation aerodynamic cavitation method comprises the following steps of: arranging wellhead equipment on a wellhead and sinking a working pipe to a bottom hole; clearly eliminating rock coal dust and water inside the well by using an air compressor in a circulating way; then lifting the working pipe upwards and injecting air / foam by using the air compressor and a supercharger, wherein the air injecting pressure is 3-15 MPa; meanwhile continuously injecting atomized water into the well with the water injecting amount of 3.0-5.0 m<3> each time; opening a hydraulic flat plate gate valve for discharging; after discharging, sinking the working pipe to a coalbed part; injecting the air simultaneously by the air compressor and the supercharger; meanwhile injecting water / foam with the amount of 3.0-10.0 m<3> by using an injection pump for washing the well to thebottom hole; after completing one cycle of discharging and well washing, detecting initial data; closing the air compressor, the supercharger, the injection pump and the hydraulic flat plate gate valve to enable gas inside the well to return freely; measuring the change of gas output of coalbed gas in one hour by using a flow meter; and placing a torch at a discharge port to ignite the gas. The invention improves the construction safety, improves the yield of single well coalbed gas, and saves the construction cost.
Owner:河南省资源环境调查二院

System and method for reducing heating value in mobile terminal charging

The invention discloses a system and a method for reducing a heating value in mobile terminal charging. The method includes the steps that A, a clock management module sends temperature detection signals every other cycle, and a central processing unit (CPU) carries out temperature detection according to the temperature detection signals; B, an obtained temperature value is compared with an over-temperature threshold value of a battery and a power management chip in a memorizer by the CPU, and if the temperature value exceeds the over-temperature threshold value, charging currents are reduced; and C, the CPU detects the temperature of the battery and the power management chip after a cycle interval through a microprocessor, and if the temperature exceeds the over-temperature threshold value, the power management chip is controlled through the microprocessor to close a charging function. According to the system and the method, the heating value of a mobile phone in the charging process can be reduced, if the heating value of the mobile phone reaches the threshold value, the current value of constant current charging is halved, and if the temperature is not reduced below a prewarning value yet, the charging function is closed. Until the temperature of the mobile phone returns to be in a normal temperature, the charging function is opened again. According to the system and the method, not only is the temperature of the mobile phone in the charging process is reduced, but also safety of the mobile phone in the charging process is further improved.
Owner:SHENZHEN TRANSSION HLDG CO LTD

Power supply distribution unit capable of time-sharing power supply

The invention provides a power distribution unit which is time-sharing charge and belongs to the industry control technique field. The structure thereof comprises a power supply plug row, a logic control unit, an input terminal connector and an AC-DC converting circuit; the input terminal connector is connected with the power supply, and provides the power distribution device with full power, the power supply plug row is connected with the logic control unit through a signal winding displacement, the AC-DC converting circuit can convert 220V voltage AC to 5V TTL voltage DC in switching power supply way which can be supplied for the logic control unit, the device adopts a single-chip as a delay output logic controller, and collects the delay setting on the control panel, thus reaching the effect of respectively controlling the switch circuit of each plug and executing accurate time-sharing charge thereof. The device also can measure and display the total load current and provide overcurrent protection. The invention can solve the problem that the instant current which is caused by multi-load in industrial application charged simultaneously is too big so as to bring device damage and electric fence fluctuation, thereby improving the reliability and security of the device.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Aluminum alloy anode oxide film and surface paint film compound layer laser cleaning device and method

The invention discloses an aluminum alloy anode oxide film and surface paint film compound layer laser cleaning device and method. The device comprises a laser cleaning device, a smoke purifier and adeflectable cleaning platform; the cleaning platform is used for clamping and positioning aluminum alloy workpieces to be cleaned; the laser cleaning device comprises a laser cleaner main machine anda manipulator; the laser cleaner main machine comprises a laser emitter and a laser cleaning head; the laser cleaning head is fixed at the tail end of an arm of the manipulator; the cleaning platformis positioned in a light outlet direction of the laser cleaning head; a scanning galvanometer is arranged in the laser cleaning head; a smoke sucking pipe of the smoke purifier is fixed on the laser cleaning head; laser generated by the laser emitter is radiated to the surfaces of areas to be cleaned of the aluminum alloy workpieces on the cleaning platform after being acted by the scanning galvanometer in the laser cleaning head, so that the areas to be cleaned of the workpieces are dynamically scanned in a selected range; and such particle pollutants as dust generated in the cleaning processof the smoke purifier are treated through the smoke purifier to prevent the personal or environmental pollution.
Owner:武汉武钢华工激光大型装备有限公司

Humidifier for fuel cells and fuel cell stack with humidifier

The invention relates to a humidifier for fuel cells and a fuel cell stack with the humidifier. The humidifier is formed by overlaying multiple humidifying units and humidifying membrane assemblies; each humidifying unit is formed by successively overlaying a dry panel, one humidifying membrane assembly and a wet panel, and one humidifying membrane assembly is arranged between two humidifying units in a clamping manner; each humidifying membrane assembly, each dry panel and each wet panel all are provided with three inlets and three outlets, and each dry panel and each wet panel both are provided with an air branch inlet and an air branch outlet; and the fuel cell comprises successively connected front-end plate, humidifier, rear-end plate, cell stack and bottom plate, and the front-end plate, the rear-end plate and the cell stack are all provided with three inlets and three outlets, wherein the three inlets and the three outlets comprise a master hydrogen inlet, a master air inlet, a master water inlet, a master hydrogen outlet, a master air outlet and a master water outlet. Compared with the prior art, the humidifier for fuel cells has the advantages of being capable of effectively humidifying air, improving service life, simplifying installation program, improving efficiency, reducing cost and the like.
Owner:顺风恒劲氢能源发展(上海)有限公司

High-power high-frequency high-voltage rectifier transformer

The invention relates to a high-power, high-frequency and high-voltage rectifier transformer, which comprises a core, a plurality of low-voltage windings, a plurality of high-voltage windings, a plurality of rectifier bridges and a transformer oil tank. The core adopts a rectangular ultra-crystalline transformer core, the low-voltage windings are divided into two groups by wide copper foil and are wound on two low-voltage skeletons on the long side column of the core along the same direction, half of the high-voltage windings are sequentially wound on one high-voltage coil skeleton, the otherhalf of the high-voltage windings are sequentially wound on another one high-voltage coil skeleton, the two high-voltage coil skeletons are respectively sleeved on the two low-voltage windings, and the high-voltage windings are respectively connected with the input ends of the matching rectifier bridges. The problem of damage to a high-frequency power supply switch, caused by reflection of distributed capacitance of the secondary winding of the transformer, can be solved, the working frequency can reach 10-50kHz, the rated voltage of direct-current output is 72kv, and the rated output power is no lower than 100kW. The temperature rise in full-load continuous operation is less than 40 DEG C. Therefore, the high-power, high-frequency and high-voltage rectifier transformer is an ideal booster device for a high-voltage power supply of a large electrostatic precipitator.
Owner:NANJING GUODIAN ENVIRONMENTAL PROTECTION TECH

Supramolecular polymer clean fracturing fluid resistant to high temperature of 170 DEG C

The invention discloses supramolecular polymer clean fracturing fluid resistant to high temperature of 170 DEG C. The fracturing fluid is prepared from the following components in percentage by weight: 0.2 to 0.5 percent of thickening agent for the clean fracturing fluid, 0.1 to 0.5 percent of viscosity synergist, 0.2 to 0.4 percent of structural intensifier, 0.05 to 0.2 percent of deoxidant, 0.1 to 0.3 percent of metal ion chelating agent, 1 to 2 percent of clay stabilizer and the balance of fresh water. According to the clean fracturing fluid, a reversible supramolecular network structure is formed through the intermolecular interaction, and the thickening agent is low in use concentration and can be used for effectively controlling the viscosity of a base solution of the fracturing fluid and improving the pumping performance of the fluid; viscoelastic sand-carrying of the fracturing fluid is realized by low viscosity and high viscoelasticity; the temperature resistance can reach 170 DEG C under a long-term shear condition; the shear resistance is excellent, and the fluid viscosity and the structure after high shear can be effectively recovered; the construction friction is low, and the equipment load and the fracturing construction risk are reduced; the residue content is low, so that the damages to a reservoir stratum and prop fractures are greatly reduced, and the fracturing stimulation effect is greatly improved.
Owner:SOUTHWEST PETROLEUM UNIV +1

Internal descaling and external defrosting novel air conditioner applying ultrasonic oscillators

The invention provides an internal descaling and external defrosting novel air conditioner applying ultrasonic oscillators. The internal descaling and external defrosting novel air conditioner comprises an outdoor unit and an indoor unit. The outdoor unit and the indoor unit are connected through a pipeline. The indoor unit comprises the indoor ultrasonic oscillators and an indoor heat exchanger, wherein the indoor ultrasonic oscillators are located around the indoor heat exchanger. The indoor heat exchanger is a shell and tube heat exchanger and comprises fins, U-shaped pipes, an air inlet pipe, process reinforcement tubes, a liquid outlet pipe and bridging elbows. Each U-shaped pipe comprises two free ends extending in the same direction in parallel, and a bent part located between the two free ends, wherein the free ends are inserted in the corresponding fins. Ports of the free ends of every two adjacent U-shaped pipes are connected through the corresponding bridging elbow. The outdoor unit comprises a capillary tube, a compressor, an outdoor heat exchanger, the outdoor ultrasonic oscillators, a four-way valve, air-liquid separators, a filter and a check valve, wherein the outdoor ultrasonic oscillators are located around the outdoor heat exchanger. By means of the internal descaling and external defrosting novel air conditioner, ultrasonic non-stop on-line internal descaling and external defrosting can be achieved, the stable running environment of the air conditioner is ensured, and the service life is prolonged.
Owner:NANJING NORMAL UNIVERSITY

Logistics order analysis and prediction system based on Internet of Things trade

ActiveCN110598940ASolve the problem of insufficient manpower that affects transportationFix damageForecastingLogisticsData miningData acquisition module
The invention discloses a logistics order analysis and prediction system based on Internet of Things trade, and solves the problems that an existing logistics company is insufficient in order evaluation, so that manpower is insufficient, transportation is affected, and a user finds that a package corresponding to an order is damaged and lost only when not receiving an express for a long time. Thesystem comprises a data acquisition module, a server, an order analysis module, an order prediction module, an order monitoring module, an anomaly analysis module and an order early warning module. According to the invention, order purchase value calculation is carried out on shopping cart commodities added by a user through the order analysis module, and the total amount of orders can be estimated in advance by analyzing the shopping cart commodities of the user. Logistics information of delivered orders is collected through the order monitoring module, an order time exception instruction, anorder timeout exception instruction and an order weight exception instruction are obtained, order exception information is sent to users and merchants, and the users can know dynamic information of the orders and parcels in time.
Owner:深圳才储网络有限公司

Remote control based network-distribution conduction device for live working

The invention relates to a mounting device for an overhead line or a cable, in particular to a remote control based network-distribution conduction device for live working. The structural feature of the network-distribution conduction device comprises a pair of clamping devices, a high-voltage insulation connection wire and a remote control unit. The clamping devices in the conduction device is remotely controlled by a remote control unit so as to clamp and loosen, the operation program of an operator is simplified, a series of inconvenient and unsafe problems brought due to the local operation of the operator are avoided, and meanwhile, the operation reliability problem brought by remote distance manual operation is avoided; the work pressure of the operator is reduced, and the safe production is guaranteed; and moreover, as a speed-down motor is adopted, a balanced clamping action force is exerted to a guide line, so that the problems that the guide line is damaged due to the facts that the force exerted by manual work is uneven, and the direction is deviated, are avoided; and the radian symmetry structure of a movable jaw and a bridge-shaped fixed jaw can adapt to the surface radian of the guide line, and a good surface contact is provided, so that a positive pressure is exerted to the guide line, and the damage problem of the guide line is further solved.
Owner:STATE GRID CORP OF CHINA +2

Electric packer, electric packer control method and electric packer utilization method

The invention discloses an electric packer. The electric packer comprises a shell, a control mechanism, an execution mechanism, a limiting mechanism, a setting mechanism and a lifting unsetting mechanism. The shell is formed by connection of a lower joint, a lower shell, a mounting seat and an upper shell; the control mechanism is arranged in the shell; the execution mechanism which is arranged in the shell is an execution motor connected with a circuit board; the limiting mechanism is arranged in the shell and connected with the execution mechanism; the setting mechanism is arranged in the shell and connected with the limiting mechanism; the lifting unsetting mechanism is arranged in the shell and connected with the setting mechanism. The electric packer has the advantages that setting and unsetting can be realized at any time, and reusability is achieved; the problem of damages of underground equipment due to impurities such as sand and the like is effectively solved; by adoption of a thread transmission and hydraulic transmission integrated transmission manner and a low-voltage motor, high control precision and high circuit stability are realized; by the aid of the lifting unsetting mechanism, smoothness in pullout of pipe columns can be guaranteed when electric unsetting fails; owing to addition of the limiting mechanism, reliability is guaranteed.
Owner:DAQING TIANDEZHONG PETROLEUM SCI & TECH CO LTD

Communication detecting method and system for electric current loop communication circuit

The invention is applied to the field of communication detection of an air-conditioning system and provides a communication detecting method and system for a current loop communication circuit. It is judged whether the receiving end, on the indoor side or outdoor side, of the circuit loop communication circuit receives air-conditioner regular communication data when a sending end photocoupler on the indoor side or the outdoor side of the current loop communication circuit is controlled to be powered on, if the air-conditioning regular communication data are not received, the sending end photorcoupler on the indoor side or outdoor side of the current loop communication circuit is controlled to be powered off after delay, detecting frequency data preset in storage space are updated, if the detecting frequency data equals a preset frequency threshold value, it is indicated that the wiring mode of the current loop communication circuit is false, and an air conditioner can send out fault prompt and end communication progress between the indoor side and the outdoor side of the air conditioner, so that the current loop communication circuit stops working, and the aim of protecting control panels of an indoor unit and an outdoor unit of the air conditioner against damage is achieved.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Flowerpot with soil automatically loosened

The invention relates to the technical field of horticulture, in particular to a flowerpot with soil automatically loosened. The flowerpot comprises a flowerpot body and further comprises a liquid spray device, a liquid collecting box is arranged below the flowerpot body, a water tank and a chemical fertilizer box are arranged on the two sides of the flowerpot body respectively, a water-permeable plate is arranged between the flowerpot body and the liquid collecting box, an ion solubility measuring instrument is arranged in the liquid collecting box, a display screen and a single-chip microcomputer are arranged on the flowerpot body, the liquid spray device comprises a first pipeline, a second pipeline and a third pipeline, the first pipeline is connected with the liquid collecting box, the second pipeline is connected with the water tank, the third pipeline is connected with the chemical fertilizer box, a plurality of magnets are arranged in the flowerpot body, a cavity is arranged between the outer wall and the inner wall of the flowerpot body, and a plurality of electromagnets are arranged in the cavity. Compared with the prior art, the flowerpot can automatically detect whether the soil in the flowerpot body is hardened or not, the soil can be automatically loosened when the soil in the flowerpot body is hardened, and a plant root system cannot be damaged when the soil is loosened. The problems that in the past, whether the soil in the flowerpot body is hardened or not cannot be known and the root system can be damaged when the soil is loosened with external force are solved.
Owner:南通安广美术图案设计有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products