135results about How to "Avoid huge losses" patented technology

The invention belongs to the technical field of cable repair, and specifically relates to an insulation repair method for a 10 kV high-voltage cable. According to the method, when the 10 kV three-core cable has a phase core breakdown fault, according to the damaged conditions of insulation and a wire core, three wire core bodies can be maintained without sawing three conductor wire cores of the cable if the conductor wire cores of the cable after breakdown are not obviously damaged, and the 10 kV high-voltage cable "main insulation repair" manufacturing process is employed at a fault wire core insulation breakdown position for rapid repair processing. According to the method, cable wire core insulation with fault breakdown can be rapidly, simply, and effectively repaired, and recovery of power transmission is rapidly achieved.

The invention discloses a method, a device and a system for recharging by using a voucher card. The method for recharging by using the voucher card comprises the steps that a service control point (SCP) inquires a voucher center (VC) about the inquired times of the voucher card according to received subscriber voucher card information; and when the inquired times of the voucher card reach a preset threshold, the VC locks the voucher card. By using the method, the device and the system, the repetitive recharging risk of the voucher card is effectively reduced and precluded in time, and the situation that great losses are brought to an operator because one voucher card is repetitively used for recharging is avoided.

The invention discloses a bearing protection method for a wind driven generator. A bearing is arranged between a stator spindle of the wind driven generator and a rotor shaft of a generator rotor, and the stator spindle, the bearing and the rotor shaft form a shaft system of the wind driven generator; a heat source is arranged at the position corresponding to the bearing in the radial direction of the shaft system. The bearing protection method comprises the steps that when the wind driven generator is continuously stopped for a preset time and the environmental temperature is within a preset temperature range, the heat source is started to build a temperature field in the radial direction of the shaft system, the temperature of the temperature field is sequentially increased from the rotor shaft and the bearing to the stator spindle, and through control over the temperature field, lubricating grease of the bearing reaches the set fluidized temperature; the wind driven generator is started. According to the method, bearing wear caused due to the fact that the wind driven generator is started at once when wind comes at a low-temperature environment can be reduced, and the bearing failure rate can be decreased. In addition, the invention further provides a bearing protection device for the wind driven generator.

The invention provides an intelligent contract signing method and system, computer equipment and a storage medium. The method comprises the following steps: receiving a contract signing request proposed by a contract initiator; judging whether the contract signing request has a corresponding contract committer or not; receiving initiator contract information and committer contract information; Creating an electronic contract; receiving an electronic signature or an electronic signature of the electronic contract; The signed electronic contract takes effect; And receiving the electronic signature or the signed effective contract. According to the technical scheme, the electronic signature or electronic signature of the electronic contract is realized based on the block chain, so that the fatigue strength and the working pressure of an operator are greatly reduced, the selection range of a user is expanded, convenience is provided for the user to select an appropriate electronic authentication service provider, and the safety and the accuracy of the electronic contract are ensured; The operation steps of electronic signatures or electronic signatures are simplified, the requirementsof complex commercial environments are met, and the accuracy and the inspection efficiency of electronic contracts are improved.

The invention is a data security protection and meter reading system device for an advance payment ammeter. When the user pays for electricity, the worker sends the electricity purchasing data to user ammeter through electric wire directly; the user ammeter carrier model receives the data, stores it into the electricity purchasing data memory circuit with determined format, and returns the affirmance information to the meter reading electricity sale computer through electric wire to be checked. The system is made up of meter reading electricity sale computer, meter reading collector, carrier of data memory circuit containing nonvolatile RAM device, user ammeter assembled together with the carrier model, a downstream channel and a upstream channel made up of low voltage electricity supplying circuit.

The invention provides a large-scale wind power storage system, which comprises a hydrogen production and hydrogen storage system, a fuel cell power generation system and a wind power plant energy management system. The wind power plant energy management system is connected with a wind power plant, a power grid, the hydrogen production and hydrogen storage system and the fuel cell power generation system; the wind power plant is connected with the power grid, the hydrogen production and hydrogen storage system and the fuel cell power generation system; and the hydrogen production and hydrogen storage system is connected with the fuel cell power generation system. The invention also provides a large-scale wind power storage method. The wind power plant energy management system serves as a control system of the whole wind power plant and is responsible for operation management and energy control of the wind power plant; the wind power plant realizes wind power generation to supply power to the power grid; when wind power is abundant, surplus power is provided for the hydrogen production and hydrogen storage system for water electrolysis hydrogen production and hydrogen storage; and when power is not sufficient, the stored hydrogen is converted into electric energy through the fuel cell power generation system, thereby realizing large-scale wind power storage. The system and method improve wind utilization efficiency and prevent huge loss.

The invention provides a third-party UAV endurance base station. The endurance base station matches the battery replacement station for the UAV according to the information of the UAV and guides the UAV to the battery replacement station by acquiring the information of the UAV entering the network., acquires the first battery information on the UAV, matches the second battery corresponding to theUAV in the battery warehouse according to the first battery information, and lends the second battery to the UAV in nearly equal amount; Automatically removes the first battery with low charge capacity for the unmanned aerial vehicle, replaces the second battery with full charge capacity, performing a temporary number for the first battery to be charged, and associates the temporary number with the unmanned aerial vehicle information; When the unmanned aerial vehicle (UAV) returns to the endurance base station and enters the network again, the information of the UAV is obtained twice, the first battery corresponding to the temporary number is matched, and the first battery is replaced on the UAV. The invention not only greatly prolongs the endurance of the unmanned aerial vehicle, but alsoavoids the huge loss brought to both sides due to the new and old batteries.

The invention belongs to the technical field of molecular organisms and particularly relates to a fingerprint spectrum of cauliflower hybrid and a construction method thereof. The cauliflower hybrid is temporarily named as 'shenxue 108 day', and is a new cauliflower variety bred by multi-year hybrid in Shanghai funong seed industry limited company. The fingerprint spectrum and the construction method have the advantages that SSR molecular markers are utilized for carrying out quantitative marking on the 'shenxue 108 day', and the fingerprint spectrum different from sibling species or the same series of cauliflower varieties is constructed; the applicability to identification, selling and truth-falseness discrimination of farmers for the shenxue 108 day of the cauliflower is achieved. The fingerprint spectrum and the construction method have the effects that the mastering is easy and the benefit for producers and seed buyers can be protected.

The invention discloses a method for monitoring crack defects in a heavy load runway girder. According to the method, electromagnetic ultrasonic surface wave probes that satisfy the sensitivity requirement are chosen and oppositely/parallelly arranged on the arc parts of the runway girder web in the column shoulder beam; the plug ends of the cables of the probes are connected to an electromagnetic ultrasonic data collecting instrument so as to perform onsite echo data collection; the change of echo is observed, when the structural echo of the arc surface of the runway girder web just disappears, the position of the acoustic beam angle of the probes is taken as the position for fixing the probes; after the probes are fixed, the waveform data of each probe is collected and observed at regular intervals and compared; when obviously abnormal echoes are found, a reliable method is adopted to confirm the property of the echoes, the extension situation of the abnormal echoes of crack defects is determined through regularly collected echo data so as to judge whether the runway girder is cracked or not. The defects of conventional detection modes are overcome by the provided method, through the prediction, the safety hazards can be found in time, and the great loss of accidents is avoided.

The invention discloses a fire monitoring device for daily patrol inspection, which comprises a patrol vehicle body and a device base arranged on the back of the patrol vehicle body, wherein a main box body is fixedly arranged on the left side of the upper end surface of the device base, a fire extinguishing device is arranged on the upper side of the main box body, the right side of the upper endsurface of the device base is provided with a detection device, a power device is arranged in the main box body, and the power device is used for driving the fire extinguishing device and the detection device to rotate; and the power device comprises a motor mounting block arranged in the main box body, a power motor is arranged in the motor mounting block, a first rotating shaft is in power connection on the upper end of the power motor, a first transmission cavity positioned on the upper side of the motor mounting block is formed in the main box body, the first rotating shaft extends into the first transmission cavity, and the upper end wall of the first transmission cavity is rotatably provided with a second rotating shaft which is fixedly mounted on the lower side of the fire extinguishing device.

The invention provides a method and a device for providing application use performance information. The method comprises the following steps: when a selection trigger operation on an application to be installed is detected, generating an application use performance query request which comprises the relevant information of terminal equipment and the application relevant information of the application to be installed, and sending the application use performance query request to a server; reading the application use performance information which is returned from the server as a respond to the application use performance query request, wherein the application use performance information comprises a data record of a mapping matching relationship between the application to be installed and the terminal equipment, and the data record is determined according to the relevant information of terminal equipment and the application relevant information; and carrying out the formatted displaying of the application use performance information on a user interaction interface. The technical scheme of the invention causes the user to obtain the comprehensive application use performance information, and helps the user to integrally grasp the use performance aspect of the application to be installed before the application to be installed is installed.

The invention relates to a natural collecting method for Chinese bees escaping from nests. The method includes the steps of firstly, using one queen bee one-way passage sleeve; secondly, allowing one end of the sleeve to be connected to a bee box; thirdly, allowing the other end of the sleeve to be connected to a queen bee and bee colony escaping collecting cage or box; fourthly, shaking off the escaped bee colony in the collecting cage or box into a new bee box for reproduction after the bee colony escapes from the original bee box; fifthly, checking and processing the queen bee and bee colony in the original bee box. The natural collecting method has the advantages that the method is simple to operate, easy to learn and understand, trouble saving and also suitable for collecting western bee varieties, workload of beekeeping is relieved greatly, huge loss caused by Chinese bee escaping is avoided, and the method conforms to the living habits of the Chinese bees and the biological features that the reproductive capacity of the bee colony escaping the nests is multiplied and the disease resistance of the bee colony is increased evidently.

According to a rapid solid-state change-over switch control strategy and system provided by the invention, when the problems of voltage drop, voltage fluctuation, instantaneous power failure and the like occur, a main power supply and a standby power supply can be rapidly switched in time, huge losses brought to production and life of power consumers due to abnormal work of sensitive devices are avoided, and under the premise of safe system operation, the switching time is shortened, and the higher-quality voltage sag and voltage short-time interruption treatment are realized.

The invention relates to a test method for evaluating arrhythmia caused by action of medicament on a human nether-a-gogo related gene (hERG). The test method is characterized by comprising the following steps of: depolarizing cells to 40 mv/5ms conventionally to activate an hERG ion channel; returning thin pliers to -50 mv/s to record the deactivating process of the channel, wherein the maximum current recorded at -50 mv is the hERG ion channel current amplitude required to be recorded; performing a voltage clamp flow test to acquire the speed of the medicament separated from the channel; calculating the time dependence of the compound hERG ion channel at 500 ms and 2 s by inhibition concentration 50150 (IC50150) ms/IC50500ms and IC50150ms/IC502s, wherein if the ratio is high, the time dependence is high; and on the premise of determining that the medicament has remarkable time dependence in the blocking hERG ion channel test, calculating the recovery time index of the medicament hERG blocking agent by a formula of RRec equal to (IC150ms-2-IC502s)/IC150150ms-IC502s), wherein the medicament with the recovery time index of less than 25 is determined to have higher possibility of inducing TdP.

The invention relates to a data chain terminal guidance method in a seeker failure mode. The method comprises the following steps of firstly, judging the failure of a seeker; confirming the failure ofthe seeker, and switching from a midcourse guidance data chain to a terminal guidance data chain matching the update period of the seeker in real time; detecting and correcting the position and the speed of a target, in the terminal guidance data chain, in a sight line coordinate system through a missile flight control computer in real time; and solving the sight line angular speed in the sight line coordinate system and an overload command in a missile body coordinate system. According to the method, the motion information state of the target transmitted by the terminal guidance data chain with the high update rate is utilized to carry out guidance control over a missile with the failure of the seeker, and the problem that guidance command calculation cannot be carried out due to the failure of the seeker is avoided. The data chain information is used for solving, the guidance law is met, the failed missile is used for avoiding the huge loss caused by the scraping of the missile, andthe good effects are realized.

The invention discloses a fire alarm device. The device comprises an inspection vehicle body and a device base arranged on the back of the inspection vehicle body. A main box body is fixedly arrangedon the left side of the upper end surface of the device base. A fire extinguishing device is arranged on the upper side of the main box body. A detection device is arranged on the right side of the upper end surface of the device base. A power device is arranged in the main box body, wherein the power device is used for driving the fire extinguishing device and the detection device to rotate. Thepower device comprises a motor mounting block arranged in the main box body. A power motor is arranged in the motor mounting block. A first rotating shaft is in power connection with the upper end ofthe power motor. A first transmission cavity located on the upper side of the motor mounting block is arranged in the main box body. The first rotating shaft extends into the first transmission cavity. A second rotating shaft fixedly mounted on the lower side of the fire extinguishing device is rotatably mounted on the upper end wall of the first transmission cavity.

The present invention is applied to the technical field of sulfuric acid production apparatuses, and relates to a blower cooling method for a large sulfuric acid production apparatus. The apparatus is characterized by, on a basis of an original flue gas sulfuric acid-making conversion workshop section flow, connecting a loop pipe, the diameter of which is about half of a main pipeline on a pipe between the blower outlet and a heat exchanger, the loop pipe connected to a drying tower flue gas inlet pipe, and under a circulating action of the blower, effectively reducing an operation temperature of the blower by nature cooling of the loop pipe. The loop pipe should be mounted with an anti-surge valve, or the associated valve is provided by the blower manufacturer. The valve can be shut off when the blower temperature is not high; when the blower needs to be cooled, the valve is shut on. The cooling method solves problems that the temperature rise of blower operation is too high, flow variation is less, a pipe mounting method is simple and cost consumption is small, and is a convenient and economic improvement scheme.

The invention provides a communication pipe deformation monitoring device and method. The device comprises a distance measuring apparatus, a fan-shaped guide rail and a main control apparatus. The fan-shaped guide rail is installed along the inner wall of the mouth of a communication pipe, and the distance measuring apparatus faces the interior of the pipe and is connected to the fan-shaped guiderail. The distance from the mount of the communication pipe to the tail end of the communication pipe is measured, and the distance measuring apparatus can move along the fan-shaped guide rail. The distance measuring apparatus is connected with a main control apparatus. A communication pipe deformation monitoring method comprises the steps: controlling a stepping motor to operate at a fixed time interval through the main control apparatus, driving the distance measuring apparatus to move from one end of the fan-shaped guide rail to the other end for one measurement; determining that there is no abnormality if the difference between the measured data and an initial value does not exceed a set threshold; determining that the abnormality happens if the differences between the measured data, obtained through three continuous measurements, and the initial value exceed the set threshold and the measured data obtained through three continuous measurements is the same, giving an alarm to an upper computer, and uploading the position of an abnormality. The measurement data is stable and reliable, and the method and device can achieve the direct early warning of the deformation trend.