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

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.

The invention provides a control method and system for a central air-conditioning module. The central air-conditioning module comprises a plurality of central air conditioners, and each central air conditioner comprises a main controller and a first wireless communication module connected with the main controller. The control system comprises a second wireless communication module, and the second wireless communication module is connected with the first wireless communication modules in a wireless manner. The second wireless communication module transmits a control command to the main controllers through the first wireless communication modules to control the operating parameters of the central air conditioners, and therefore wireless control over the central air conditioners can be achieved through the second wireless communication module and the first wireless communication modules; and the problems that in the prior art, due to aging of a central-air-conditioner bus, communication faults of the central air conditioners are caused, and normal work of the central air conditioners is influenced are solved.

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.

The invention discloses a protection circuit, and the circuit comprises a first voltage stabilizing diode, an undervoltage protection module and a switch module; the cathode of the first voltage stabilizing diode is connected with the positive output end of the power supply, and the anode of the first voltage stabilizing diode is connected with the negative output end of the power supply and the under-voltage protection module; the under-voltage protection module is used for outputting a first control signal to the control end of the switch module when the first voltage stabilizing diode is not broken down; and the switch module is used for controlling the disconnection of a power supply loop between the power supply and the electronic equipment when receiving the first control signal, sothe problem that the normal operation of the electronic equipment is influenced when the output voltage of the power supply is smaller than the rated voltage of the electronic equipment is avoided, and the operation safety of the electronic equipment is ensured. And the switch module is also used for controlling the power supply loop to be conducted when the first control signal is not received, so as to supply power to the electronic equipment.

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.

The invention discloses a dustproof WEB safety management device with a high heat dissipation rate. The host comprises a host body, a same reciprocating screw rod is rotationally connected between theinner walls of the upper and lower opposite sides of the main machine body through a ball bearing; a motor is fixedly arranged on the outer wall of the upper end of the main machine body; an output shaft at the lower end of the motor penetrates through the upper end of the main machine body through a through hole and is fixedly connected with the upper end of a reciprocating screw rod; and a moving block is in threaded connection with the rod wall of the reciprocating lead screw, a cooling fan is fixedly connected to the inner side, close to the main machine body, of the moving block, an opening corresponding to the cooling fan in position is formed in the side wall of the main machine body, a fixing frame is clamped in the opening, and a dustproof net is fixedly connected to the inner side wall of the fixing frame. According to the invention, the heat dissipation efficiency is improved, and the dustproof net is convenient to clean.

The invention discloses an electric heating film having an anti-leakage function, which comprises upper and lower two layers of insulation films, wherein a conductive heating layer is clamped between the two layers of insulation films; the conductive heating layer is connected to a power line electrode and a null line electrode; second conductive layers connected to the null line electrode are covered outside of the insulation films; and second insulation layers are covered outside of the second conductive layers. A loop can be formed between the generated leaked current and the null line electrode, namely the leaked current can be utilized for generating heat, thereby increasing the heat conversion power and saving electric energy as well as avoiding the problem of influence on the normal work of the electric heating film caused by frequently driving a leakage protector to act by the leaked current. The electric heating film can be assembled according to an assembling operation specification for the electric heating film and the potential safety hazard caused by the leakage of the conductive layers can be eliminated, thereby increasing the assembling efficiency in unit area and improving the warming effect.

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.

The invention discloses an LED display module and an LED display device with an interface protection structure. The LED display module includes an LED display screen, a protective outer frame is fixedly connected to the right side of the LED display screen, and the right side of the protective outer frame There is a docking groove on the side, and a data line docking mechanism is connected to the inside of the docking groove, and a sealing mechanism for sealing the docking groove is provided at the opening of the docking groove; It avoids the problem that the data interface is exposed and easily damaged by external problems and cannot work normally. By setting the rotating vertical plate, rotating horizontal plate, and waterproof plate, it avoids the problem of rainwater seeping into contact due to bad weather and causing unstable data transmission. By setting the ratchet , limit block, and pressing plate, avoiding the problem of loosening between the data interface and the docking terminal due to bad weather and affecting the normal operation of the LED screen.

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.

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.

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.

The invention provides a control method and system for a central air-conditioning module. The central air-conditioning module comprises a plurality of central air conditioners, and each central air conditioner comprises a main controller and a first wireless communication module connected with the main controller. The control system comprises a second wireless communication module, and the second wireless communication module is connected with the first wireless communication modules in a wireless manner. The second wireless communication module transmits a control command to the main controllers through the first wireless communication modules to control the operating parameters of the central air conditioners, and therefore wireless control over the central air conditioners can be achieved through the second wireless communication module and the first wireless communication modules; and the problems that in the prior art, due to aging of a central-air-conditioner bus, communication faults of the central air conditioners are caused, and normal work of the central air conditioners is influenced are solved.

The invention discloses an isolation method for avoiding SMBUS interference, which belongs to the field of server management; when the invention uses a group of SMBUS from a server BMC to mount non-SMBUS interface equipment, an isolation chip is added to the non-SMBUS interface equipment to isolate the non-SMBUS interface equipment. The GPIO of the interface device is output to the enable pin of the isolation chip. After the initialization of the non-SMBUS interface device is completed, according to the program setting, different GPIOs output different levels, and output a high level after passing through the XOR gate to turn on the isolation chip. , the mounted SMBUS will be normally managed and monitored by the BMC to solve the problem of devices without SMBUS interfaces. During the power-on phase, due to the long program initialization time, the level status of the SMBUS interface will be very unstable, which may cause BUS BUSY Thus affecting the normal operation of the BMC and avoiding the impact of the SMBUS in the above cases.

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.