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

51results about How to "Problems affecting normal work" patented technology

Leakproof organic working medium turbine generator set

The invention provides a leakproof organic working medium turbine generator set which is composed of a turbine and a generator. A turbine shell and a motor shell are communicated. A turbine movable vane and a generator rotor share the same rotating shaft. Bearing lubricating and cooling flow paths are formed in the turbine shell and the motor shell respectively. Liquid working media divided after being pumped pass through the bearing lubricating and cooling flow paths to lubricate and cool bearings. The scheme that the turbine shell and the motor shell are communicated is adopted, shaft end sealing is not needed, and the working media of the set can be completely free of leakage. The first bearing lubricating and cooling flow path and the second bearing lubricating and cooling flow path used for lubricating the bearings are formed in the turbine shell and the motor shell respectively, the working media of the set are used for lubricating and cooling the bearings, accordingly, no traditional oil and grease cooling and lubricating system needs to be arranged, the problem that the normal work of the whole set is influenced after lubricating oil and grease are mixed with the working media is avoided, reliable sealing of the set is completely guaranteed, and leakage of the working media is avoided.
Owner:AECC AVIATION POWER CO LTD

Water injection power distribution optimization method suitable for 5G network NOMA system

The invention provides a water injection power distribution optimization method suitable for a 5G network NOMA system. The method comprises the following steps: dividing power of sub-carrier into M power blocks by a base station according to the coverage range, user distribution and user number M, constructing a power block vector of each sub-carrier, and constructing a sub-carrier power distribution matrix formed by taking N sub-carriers as the row and the power blocks of M users as the line; determining a power distribution optimization target as the maximum transmission rate of the sub-carrier acquired at the k-th power block based on the sub-carrier power distribution matrix; distributing the power of the undistributed power block as zero, and the distributing the power with the worstsignal-to-noise ratio in the distributed power block as the minimum power, and computing to obtain the power of all power blocks on the same sub-carrier by adopting a linear water injection power distribution algorithm; and then computing to obtain the power of all users on each sub-carrier. Through the method provided by the invention, the fastness and optimization of the power distribution of each user on each sub-carrier can be realized, and the performance of the whole communication system is improved.
Owner:DATANG GOHIGH INTELLIGENT & CONNECTED TECH (CHONGQING) CO LTD

Grooving machine and routing device

The invention provides a grooving machine and a routing device. The grooving machine comprises a support, a plurality of grooving units and a plurality of positioning units. The positioning units are all arranged on the support used for supporting and installing the grooving machine, and the grooving units are all arranged on the support through the corresponding positioning units. The positioning units comprise first positioning parts and second positioning parts, the first positioning parts are connected with the support and used for adjusting the horizontal distance between every two adjacent grooving units, and the grooving units are arranged on the first portioning parts through the second positioning parts used for adjusting the height of the grooving units. The routing device comprises a pre-milling machine, a plurality of pressing mechanisms, a rack and the grooving machine. The pre-milling machine, the pressing mechanisms and the grooving machine are all arranged on the rack, and the pre-milling machine and the grooving machine are arranged in sequence in the plate moving direction. The grooving machine solves the technical problems that in the prior art, the groove type of grooves formed by a grooving machine is fixed, and the depth and groove pitch of the grooves are difficult to adjust.
Owner:TIANJIN CHENBAO ELECTROMECHANICAL TECH CO LTD

Car refrigerator control method, system and equipment and car refrigerator

The invention discloses a car refrigerator control method. The car refrigerator control method comprises the steps of acquiring the input voltage of a car refrigerator when responding to an enabled instruction; judging whether the input voltage is less than the preset minimum threshold voltage or not; if yes, starting power-off protection until the input voltage is greater than the preset enabledvoltage; if not, judging that the car refrigerator operates normally; acquiring the dip angle between the car refrigerator and the horizontal plane when the starting voltage is greater than the minimum threshold voltage, and judging whether the dip angle is greater than the preset dip angle threshold value or not; if yes, starting power-off protection until the dip angle is less than or equal to the dip angle threshold value; and if not, judging that the car refrigerator operates normally. The invention further discloses a car refrigerator control system, car refrigerator control equipment andthe car refrigerator. Through the car refrigerator control method provided by the embodiment of the invention, a compressor can be protected when the car refrigerator is tilted, and meanwhile, the car refrigerator is protected at the voltage below level.
Owner:FOSHAN ALPICOOL ELECTRIC APPLIANCE CO LTD

Scheduling method and device for photovoltaic energy storage system

The invention relates to the technical field of photovoltaic energy storage system control, in particular to a scheduling method and device for a photovoltaic energy storage system, and the method comprises the steps: generating first predicted power generation power according to meteorological parameters and photovoltaic power generation parameters, and then correcting the first predicted power generation power through employing historical power generation data to generate second predicted power generation power; generating predicted load power according to the production plan; and according to the predicted load power and the second predicted power generation power, generating energy storage adjustment power corresponding to the scheduling time, and controlling the photovoltaic energy storage system by adopting the energy storage adjustment power. The method has the beneficial effects that the historical power generation data corresponding to the scheduling time is added in the power generation power prediction of the photovoltaic power generation system for correction, so that the photovoltaic power generation power calculated based on a physical model is more in line with historical experience data; therefore, the problem that normal work of the energy storage system is affected due to the fact that the scheduling power of the energy storage system in the prior art easily deviates from reality due to model errors and the like is solved.
Owner:科大数字(上海)能源科技有限公司

Fallen leaf prevention 5G base station

The invention discloses an anti-fallen leaf 5G base station, and relates to the technical field of 5G base stations. The base station comprises a base station body, dustproof heat dissipation nets are embedded and fixed to the left side and the right side of the base station body, a leaf falling prevention device is arranged on the top of the base station body, heat dissipation devices are arranged on the left side and the right side of the leaf falling prevention device, an auxiliary device is arranged in the base station body, and the leaf falling prevention device comprises a tripod. The tripod is fixed to the top of the base station body, and a rotating rod is rotationally installed in the tripod. According to the invention, through cooperation of the convex block of the convex block wheel and the convex block of the top plate, the convex block of the convex block wheel abuts against the top plate to move upwards, and the top plate drives the swing plate to swing upwards, so that the swing plate swings and shakes off leaves falling on the swing plate, and the problem that the leaves are adhered to the surface of the base station for a long time to corrode a case on the surface of the base station is avoided; and the service life of the chassis on the surface of the base station is prolonged.
Owner:李志国

Adaptive voltage-constant high-efficiency wireless power supply system

The invention discloses an adaptive voltage-constant high-efficiency wireless power supply system which comprises an energy emission module, an energy reception module, a coil module and a voltage-constant closed-loop control module; the energy emission module comprises an inverse E-type power amplifier module and a maximal state adaptive module of a power amplifier; the energy reception module comprises a rectification module, a voltage stabilization module, a receiving coil and a capacitor; the coil module comprises a transmitting coil and a relay coil; and the voltage-constant closed-loop control module comprises a Bluetooth communication module, a power regulation module and a PC-end monitoring and regulation module. Via the wireless power supply system, the power amplifier is in the optimal work states of zero-current OFF and zero-current derivative OFF, the efficiency of wireless energy transmission is improved, a stimulation parameter can be adjusted in the PC-end monitoring andregulation module, auxiliary functions including data collection, data communication and remote control are integrated, performance of an implantable medical system is further improved, and the application range and practicality of the medical system in clinical medicine are improved.
Owner:HEFEI UNIV OF TECH

Diffusion oxidation annealing furnace thermostatic bath control circuit improvement process

The invention discloses a diffusion oxidation annealing furnace thermostatic bath control circuit improvement process, and relates to the technical field of diffusion oxidation annealing furnace main machine tables. The diffusion oxidation annealing furnace thermostatic bath control circuit improvement process comprises a main machine base, a thermostatic bath heat dissipation mechanism is arranged at the top of the main machine base, and a control circuit improvement mechanism is arranged at the top of the thermostatic bath heat dissipation mechanism. A fireproof mechanism is arranged at the top of the control circuit improvement mechanism, the thermostatic bath heat dissipation mechanism comprises a T-shaped supporting table, and the T-shaped supporting table is fixedly installed at the top of the main machine base. According to the process, five thermostatic bath bodies share one air switch instead of being controlled by a single pipe corresponding to a single air switch, so that the thermostatic bath bodies of other pipelines operate normally when the single pipe fails, the failure of the single-pipe thermostatic bath body does not affect the work of other thermostatic bath bodies after improvement, the number of silicon wafer isolation rework of a production line is reduced, the production line yield is synchronously improved, the downtime risk of a whole machine table is reduced, and the production safety is improved.
Owner:天合光能(宿迁)光电有限公司

Electric ladder capable of realizing rapid climbing under dangerous condition of borehole operation

The invention belongs to the technical field of ladders, and particularly relates to an electric ladder capable of realizing rapid climbing under a dangerous condition of borehole operation. The electric ladder comprises ladder bodies, wherein a plurality of groups of ladder bodies are in stacked sliding connection; the inner side wall of the middle part of each ladder body is fixedly connected with an electric cylinder; the side wall of each electric cylinder is fixedly connected with a protective shell; each protective shell sleeves the corresponding ladder body; the inner side wall of the top of each protective shell is in sliding connection with a sleeve shell; and each sleeve shell sleeves the output end of the corresponding electric cylinder. The protective shells and the sleeve shells are arranged on a motor to protect the motor; meanwhile, when the electric cylinders extend, the sleeve shells can extend out of the interiors of the protective shells to protect extending electric cylinder output rods; by the arrangement of the protective shells and the sleeve shells, the electric cylinders are protected from being easily influenced by external small stones; and when small stones and sand fall down from a well, the problem that the small stones and the sand are in direct contact with the electric cylinders to influence the normal work of the electric cylinders is avoided, and the stability of the ladder bodies during working and unfolding is improved.
Owner:泰州市江畔压延有限公司

An automatic equipment for removing scale from seamless steel pipes instead of pickling

The invention discloses an automatic facility capable of removing the oxide skin of a seamless steel pipe instead of acid pickling. The automatic facility comprises a box body. A controller is installed on the surface of the box body. A dust outlet is formed in the bottom of the box body, two second supporting columns are arranged at the bottom of the box body, the dust outlet is located between the two second supporting columns, and a sealing cover is installed on one side of the dust outlet. An electric motor is fixedly arranged on one side of the upper portion of the interior of the box body, and one end of the electric motor is connected with a brush rod in a rotating mode through a rotating shaft. A first servo motor and four shaft bases are fixedly arranged on the upper inner side wall of the box body, and a first servo motor and four shaft bases are fixedly arranged on the lower inner side wall of the box body. According to the automatic facility, steel brushes and push wheels are arranged, the first servo motors drive belts to rotate through rotating shafts, the push wheels are driven to roll, a steel pipe body can be pushed into the box body due to the fact that the push wheels are arranged in a staggered mode, the oxide skin on the surface of the steel pipe body is brushed and scraped by the steel brushes, the electric motor drives the brush rod to enter the interiorof the steel pipe body through the rotating shaft, and therefore the problem that a steel pipe is possibly corroded by the use of a chemical method is solved.
Owner:CHONGQING QIFU MACHINERY

A high pressure water well valve for oil field

The invention discloses a high-pressure water well valve for an oil field and relates to the technical field of valves. The high-pressure water well valve specifically comprises a valve body with an oil inlet and an oil outlet at two ends, an oil drainage portion fixedly connected to the bottom of the valve body, a valve seat fixedly installed above the valve body and a valve rod extending to a valve body cavity. An inner side wall of the valve body is fixedly connected with a guide rail, and a lower inner side wall of the valve body is provided with a sealing groove. According to the high-pressure water well valve for the oil field, by setting a driving crank, a driven crank and a pressure sleeve for cooperation, the lever principle is used, the driving crank is pressed, the driven crankcan be driven to rotate downward, therefore, the pressure sleeve pulls the valve rod to move upward along a guide sleeve, the lifting and lowering of the valve rod are controlled, the spiral control is not needed, a problem that soil and sand in an oil field may be brought into a spiral during the rotation of the valve rod to cause spiral blocking and affect the normal working of the valve is avoided, and the stability of the working of the water well valve is effectively improved.
Owner:DAQING TIANDEZHONG PETROLEUM SCI & TECH CO LTD

a rotating electromagnet

The invention relates to a rotating electromagnet. The rotating electromagnet comprises a housing and a rotating shaft which is rotatably mounted on the housing, an armature is fixedly arranged on therotating shaft, and a coil assembly is further mounted on the housing. The armature is sleeved with baffling iron, the baffling iron is fixed relative to the housing, and the outer circumference of the armature and the inner circumference of the baffling iron are correspondingly provided with an inner toothed structure and an outer toothed structure which are radially spaced apart and circumferentially staggered from each other at a motion starting position of the armature. The rotating electromagnet further comprises a limiting structure, the limiting structure is inserted into a tooth groove between two adjacent teeth of the inner toothed structure, and baffling limiting cooperation between the limiting structure and the teeth of the inner toothed structure is achieved at a left rotating extreme position and a right rotating extreme position of the armature through the two sides of the limiting structure respectively. The rotating electromagnet further includes an elastic componentwhich provides a restoring force for the armature in a powered off state. The attraction force of the baffling iron to the armature no longer has an axial component force, and therefore the problem inthe prior art that armatures and baffling iron are attracted together and correspondingly the normal operation of rotating electromagnets is affected can be avoided.
Owner:HENAN AEROSPACE HYDRAULIC & PNEUMATIC TECH
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