37results about How to "Reduce the probability of blocking" patented technology

The embodiment of the invention discloses a method and equipment for PDCCH(Physical Downlink Control Channel) blind detection. The method comprises the following steps: a UE(User Equipment) acquires candidate PDDCH configuration information of the user equipment from base station equipment; the user equipment performs the PDCCH blind detection according to the candidate PDCCH configure information. The invention embodiment can reduce the complexity of the PDCCH blind detection.

The invention discloses a PDCCH candidate / channel estimation number distribution / mapping method and terminal equipment. The method comprises the following steps: 1, if the total number of the PDCCH candidates of the terminal equipment in the current time slot is greater than the maximum number of the PDCCH candidates supported by the terminal equipment, or the channel estimation number required bythe terminal equipment exceeds the maximum channel estimation number supported by the terminal equipment, allocating / mapping PDCCH candidates or channel estimates among a plurality of monitoring opportunities of the current time slot according to the at least one piece of information, wherein the at least one piece of information comprises at least one of an OFDM symbol position of a monitoring opportunity, a scheduled cell priority associated with a search space set, a service priority, a channel priority, a DCI format corresponding to a PDCCH candidate monitored by the search space set, andan RNTI. According to the scheme provided by the embodiment of the invention, the processing capacity of the UE can be fully utilized, the control resource allocation is maximized, the control channel allocation blocking probability is reduced, and meanwhile, the processing capacity of the UE is not exceeded.

The embodiment of the invention relates to the technical field of heterogeneous edge computing networks, and in particular relates to a design method and system for layered task unloading in a heterogeneous mobile edge computing network, a storage medium and equipment. The method comprises edge equipment, an edge server and a cloud computing center; the edge equipment judges whether to unload a task or not according to the price fed back by the edge server and the locally calculated energy consumption; the edge server judges whether to unload the task or not according to the price fed back bythe cloud computing center and the locally calculated energy consumption; the cloud computing center adjusts the price according to the minimized energy consumption of the whole computing network; andthe steps are cycled until the unloading strategy of the edge equipment, the decision strategy of the edge server and the price and penalty of the computing resources published by the cloud computingcenter are stable. According to the method, the energy consumption minimization in the whole computing network in the distributed system is realized through a price and penalty mechanism, and the overall energy consumption is effectively reduced; and the penalty rate is set to reduce the probability of system blockage.

The invention provides an LTE PTN transport network and a static route protection method thereof, comprising: determining that the route corresponding to the first primary PE node is unreachable whenthe multi-segment Peer BFD pre-configured and deployed between the first primary PE node and the second primary PE node in the LTE PTN transport network detects that IP is unreachable; connecting thethird primary PE node between the first primary PE node and the second primary PE node; controlling the physical interface associated with the BFD to be turned off, so that the primary route of the first primary PE node to the third primary PE node is revoked; and activating the IP / VPN hybrid FRR route, so that the next hop of the first primary PE node points to the standby PE node corresponding to the first primary PE node. The invention realizes the protection of the multi-point failure scenario in the LTE PTN transmission network, greatly reduces the blocking probability of the LTE whole network, and improves the network security.

The invention discloses an IBN-based Internet-of-things satellite system and a routing method thereof. The system includes an application layer, which is used for submitting intents of user requests to a control layer; the control layer, which is used for receiving service intents of the application layer, and translating the service intents of the application layer into implementable solutions toissue the same to a data layer; a data layer, which is used for data forwarding; and a maintenance layer, which includes a sensing module and a self-healing module. The sensing module is used for sensing network status according to status information and traffic information on the data layer and all other network elements, and maintaining smoothness of a network according to link load and trafficsizes; and the self-healing module is used for detecting network anomaly situations, establishing firewalls, and predicting security problems. The system ensures safe and automatic maintenance in anInternet-of-things satellite, also solves heterogeneity problems of Internet-of-things equipment, and effectively reduces probability that network configurations cause the network to be not smooth.

The invention provides a liquid crystal display device which comprises a liquid crystal panel. The liquid crystal panel comprises a quantum dot layer and a liquid crystal layer arranged below the quantum dot layer. The liquid crystal display device also comprises a backlight module arranged below the liquid crystal layer and a glass substrate arranged above the quantum dot layer; the backlight module comprises a backlight source and other optical assemblies; the glass substrate comprises a coloring material and a common glass material; the coloring material is used for blocking light rays, thewavelengths of which are smaller than 420nm, in environmental light; and the ratio of the coloring material and the common glass material is between 0.04 and 0.2. According to the liquid crystal display device provided by the invention, under the circumference of irradiation by the environmental light, the liquid crystal panel can filter ultraviolet light and part of blue rays in the environmental light, and is high in pass rate for light rays of other wavelengths. The whole display picture still has relatively high contrast and color purity, and the caused energy loss is small.

The data packets with a maximum allowable delay and an average packet rate are aggregated in a node of the network of a burst and the burst is transmitted with a number of packets. The number of packets per burst is determined by the result of plus / minus twenty percent of the sum of the value one plus a product of the maximum allowable delay, the average packet rate and the value two.

The invention relates to an anion-cation composite core-shell structure polymer microsphere and a preparation method thereof. A purpose of the present invention is mainly to solve the problems of failure of the diene-based cross-linking agent, easy adhesion of microspheres and the like in dispersion polymerization and the problem of underground deep profile control and transfer of polyacrylamide microsphere-based products. According to the technical scheme, the polyacrylamide-based polymer gel microsphere is used, and comprises the following structure units: a polymer microsphere core part comprising an acrylamide structure unit, an ionic monomer I structure unit, a nonionic monomer I structure unit and a stabilizer I structure unit, and a polymer microsphere shell part comprising an acrylamide structure unit, an ionic monomer II structure unit, a nonionic monomer II structure unit and a stabilizer II structure unit, and a cross-linking agent structure unit reacts with the polymer chain in the core-shell structure of the polymer microsphere to form a cross-linking structure after a nucleation reaction and a shell formation reaction. With the technical scheme, the problems in the prior art are well solved. The anion-cation composite core-shell structure polymer microsphere can be used for deep profile control in oilfield development.

The invention provides a physical downlink control channel candidate position determination method, a terminal and network equipment, and relates to the technical field of communication. The method for determining the position of the physical downlink control channel candidate is applied to a terminal, and comprises the following steps: sending terminal capability information to network equipment,the terminal capability information comprising the capability of whether the terminal supports more than a preset number of CORESETs and / or the capability of whether the terminal supports at least two TRPs; obtaining an initial offset value of a PDCCH candidate position in the search space of each CORESET; and determining the position of the PDCCH candidate in the search space of each CORESET according to the initial offset value. According to the scheme, the probability that the search spaces of different terminals conflict with each other in different CORESETs can be reduced, the PDCCH blocking probability of the terminals is reduced, and then the communication reliability is ensured.

The invention relates to a novel yin-yang composite flexible polymer microsphere and a preparation method thereof, mainly solves the problems of insufficient deep profile control capability and controllability of the existing polymer microsphere, and adopts the technical scheme that the yin-yang composite flexible polymer microsphere comprises a polymer I serving as an inner core and a polymer II serving as an outer shell; wherein a molecular chain of the polymer I contains an alkenyl amide structural unit, a cationic etherifying agent structural unit, a nonionic monomer structural unit and a long-acting cross-linking structural unit; and the molecular chain of the polymer II contains an acrylamide structural unit, an anionic monomer structural unit, a nonionic monomer structural unit, a long-acting cross-linking structural unit and a short-term cross-linking structural unit, so that the problems are better solved, and the polymer II can be used for deep profile control in oilfield development.

The invention discloses an automobile interior ceiling with high strength and high sound absorption performance and a preparation method thereof. The ceiling is characterized in that the ceiling is prepared through mould pressing and compounding of a back-layer non-woven fabric layer (70), a third rubber-glass layer (60), a second PU layer (50), a second rubber-glass layer (40), a first PU layer (30), a first rubber-glass layer (20) and a surface decoration layer (10); the density of the first PU layer is greater than that of the second PU layer. The preparation method comprises the steps thatglass fiber felt is coated with polyurethane rubber to prepare the rubber-glass layers, and the automobile interior ceiling is manufactured through heat molding; the PU layers with different densities can absorb noise in different frequency bands, and the sound absorption and noise reduction functions are enhanced. The ceiling is good in strength and good in sound absorption performance.

The invention discloses a discharge chamber of an internal circulation hot air dryer, which comprises a casing and a discharge trough; guide plates are arranged on the left and right sides of the casing; at least three groups of diverter plates are arranged between the guide plates; diverter plates on the sides The bottom edge is respectively equipped with discharge wheels, the bottom edge of the splitter plate in the middle and the lower part of the guide plate are respectively connected to the deflector; there is a reclining plate between the discharge trough and the side deflectors; the left reclining plate and the shell It forms an air inlet chamber, and the deck on the right side and the housing enclose an exhaust chamber; the deck on the right is connected with an air duct; further improvement lies in: between the guide plate and each splitter plate, and between the two decks There are peepholes on the front and rear side walls of the shell, and peephole cover plates are screwed on the peepholes; the air guide pipe is a hollow tube of equilateral triangle, and the upper part of the bottom edge is tilted upward; the lower end of the air guide pipe is vertically connected to the right side deck , the upper end extends to the lower part of the splitter plate in the middle to communicate with the space between the exhaust chamber and the two decks. The invention is easy to observe, removes impurities and prevents blockage in time, and effectively prevents the fan from sucking food.

The invention discloses a mould used for producing plastic cups. The mould comprises a base, guide posts, grooves, cup moulds, cup mould fixing cavities, side fixing plates, main air paths, air tubes, air holes, fixed frames and water paths, wherein the grooves are uniformly formed in the base; the cup moulds are fixedly arranged in the grooves; the cup mould fixing cavities are fixedly arranged outside the cup moulds; the lower ends of the cup mould fixing cavities are fixedly mounted on the top surface of the base; two side parts of each cup mould fixing cavity are fixedly equipped with the side fixing plates through bolts; the main air paths are arranged in the cup mould fixing cavities; the two ends of each main air path are equipped with the air tubes; the air tubes are mounted on the top surface of the base through the fixed frames; the air holes are formed in the inner walls of the cup moulds; the air holes communicate with the main air paths; the water paths are arranged in the cup mould fixing cavities; the water paths are arranged in series; and the guide posts are symmetrically arranged on the lower parts at the two ends of the base. The two water paths are in series connected to form greater heat exchange, so that the mould is cooled more sufficiently; and moreover, cooling efficiency is high, production efficiency is further improved, labels are not liable to drop, and air hole blocking probability is reduced.

The invention provides an electrolytic cell feeding system and an electrolytic cell system. The electrolytic cell feeding system comprises a material box, a constant-volume feeder and a feeding chute. The material box contains electrolyte raw materials. The constant-volume feeder is partially contained in the material box and outputs the electrolyte raw materials contained in the material box to the feeding chute. The feeding chute is arranged below the material box and comprises an upper material opening and a lower material opening. The upper material opening is located below the constant-volume feeder and receives the electrolyte raw materials provided by the constant-volume feeder. A rotary drum is arranged in the feeding chute and located between the upper material opening and the lower material opening. A groove structure is formed in the surface of the rotary drum. The electrolyte raw materials fall into the groove structure of the rotary drum through the upper material opening. The electrolytic cell system is provided with the electrolytic cell feeding system.

The invention provides a vehicle and a control method of the vehicle. The vehicle includes a vehicle body with a passenger room, a traction motor mechanism arranged on the vehicle body, and a waste gas exhaust device arranged on the vehicle body, wherein the traction motor mechanism comprises a traction motor, a temperature sensor is arranged on the traction motor, and the temperature sensor is used for detecting the real-time temperature of the traction motor; and the waste gas exhaust device is provided with an air inlet and an air outlet assembly, the air inlet is communicated with the passenger room, and the air outlet assembly is communicated with the traction motor, so that waste gas in the passenger room is conveyed to the traction motor by the waste gas exhaust device to cool the traction motor. The vehicle solves the problem that in the prior art, waste gas in a passenger room of a vehicle cannot be effectively utilized, and the vehicle cannot provide high-quality air for traction motor cooling.

The invention provides a vehicle and a control method of the vehicle. The vehicle includes: a car body, the car body has a passenger compartment; a traction motor mechanism is arranged on the car body, the traction motor mechanism includes a traction motor, and a temperature sensor is arranged on the traction motor, and the temperature sensor is used to detect the real-time temperature of the traction motor; the exhaust gas discharge device , set on the car body, the exhaust gas discharge device has an air inlet and an air outlet assembly, the air inlet is connected to the passenger compartment, and the air outlet assembly is connected to the traction motor, so that the exhaust gas discharge device can transport the exhaust gas in the passenger compartment to the traction motor to Cool the traction motor. The vehicle of the present invention solves the problems in the prior art that the waste gas in the passenger compartment of the vehicle cannot be effectively utilized and the vehicle cannot provide high-quality wind for cooling the traction motor.

The invention provides an aluminum electrolysis cell feeding system which comprises a material box, a constant-volume feeding device and a feeding chute. The material box contains aluminum oxide raw materials, the constant-volume feeding device is partially contained in the material box, the constant-volume feeding device outputs the aluminum oxide raw materials contained in the material box to the feeding chute, and the feeding chute is arranged below the material box and comprises a material inlet, a feeding opening and a material guide inclined wall; the material inlet is located below the constant-volume feeding device and receives the aluminum oxide raw materials provided by the constant-volume feeding device, the upper end face of the material guide inclined wall is flush with the material inlet, the lower end face of the material guide inclined wall is flush with the feeding opening, and the aluminum electrolysis cell feeding system further comprises a buffer and an automatic dredging device. Compared with the prior art, the aluminum electrolysis cell feeding system has the advantages that an aluminum electrolysis cell is good in stability, high in current efficiency, low in energy consumption, long in service life and good in aluminum oxide feeding effect.

The invention discloses a sand-stone separator. The sand-stone separator comprises a material guide groove, a drum sieve, a spiral sand separator, a stirring tank, a conical pool, a sand pile yard, astone pile yard and a water pool, wherein the material guide groove is connected with the water pool and the drum sieve through a pipeline separately; the conical pool comprises a first mud pool and asecond mud pool; the first mud pool and the second mud pool are located below the drum sieve and the spiral sand separator, and connected with the drum sieve and the spiral sand separator through a pipeline separately; a conveying belt connected to the stone pile yard and the sand pile yard are arranged at a stone outlet port of the drum sieve and a sand outlet port of the spiral sand separator separately; and the stirring tank is connected with the spiral sand separator through a pipeline. The height of a main machine is reduced by detaching a traditional sand-stone separator into the drum sieve for separating stone and the spiral sand separator for separating sand, so that the problem that inconvenience is brought to reversing of a concrete vehicle by a reversing slope table is solved,no reversing slope is really realized, and the civil engineering cost and the floor area are saved.

The invention discloses a tower bottom hydraulic contact pin breakage dust-free ash discharge device. The device comprises a funnel-shaped desulfurizing tower stock bin and bottom hydraulic insertion plates. The bottom hydraulic insertion plates are two-way insertion plates symmetrically arranged. Flat contact pins are arranged above the bottom hydraulic insertion plates and are two-way four-row contact pins. The two-way four-row contact pins are four rows of contact pins symmetrically arranged on the two sides respectively. The upper portions of the flat contact pins are connected with a bottom outlet of the desulfurizing tower stock bin. Two inclined contact pins are symmetrically installed on the side wall of the desulfurizing tower stock bin. A tower bottom dust cover is arranged below the bottom hydraulic insertion plates, the two sides of the tower bottom dust cover are provided with a first dust removal pipeline and a second dust removal pipeline respectively, and the first dust removal pipeline and the second dust removal pipeline are connected with an inlet flue duct and an outlet flue duct of a desulfurizing tower respectively. The invention further discloses an application method of the tower bottom hydraulic contact pin breakage dust-free ash discharge device. The tower bottom hydraulic contact pin breakage dust-free ash discharge device and the application method solve the problem that large desulfurizing tower bottom blocks block a discharge port, labor intensity is relieved, the labor environment is improved, labor cost is saved, and stable desulfurizing operation is guaranteed.

The invention discloses a tower bottom hydraulic contact pin breakage dust-free ash discharge device. The device comprises a funnel-shaped desulfurizing tower stock bin and bottom hydraulic insertion plates. The bottom hydraulic insertion plates are two-way insertion plates symmetrically arranged. Flat contact pins are arranged above the bottom hydraulic insertion plates and are two-way four-row contact pins. The two-way four-row contact pins are four rows of contact pins symmetrically arranged on the two sides respectively. The upper portions of the flat contact pins are connected with a bottom outlet of the desulfurizing tower stock bin. Two inclined contact pins are symmetrically installed on the side wall of the desulfurizing tower stock bin. A tower bottom dust cover is arranged below the bottom hydraulic insertion plates, the two sides of the tower bottom dust cover are provided with a first dust removal pipeline and a second dust removal pipeline respectively, and the first dust removal pipeline and the second dust removal pipeline are connected with an inlet flue duct and an outlet flue duct of a desulfurizing tower respectively. The invention further discloses an application method of the tower bottom hydraulic contact pin breakage dust-free ash discharge device. The tower bottom hydraulic contact pin breakage dust-free ash discharge device and the application method solve the problem that large desulfurizing tower bottom blocks block a discharge port, labor intensity is relieved, the labor environment is improved, labor cost is saved, and stable desulfurizing operation is guaranteed.

The invention introduces a shelling control method for electrolytic aluminum. The intelligent control cabinet controls the action of the shelling cylinder according to the received electrolyte voltage feedback signal and exhaust air pressure feedback signal, and the received electrolyte voltage feedback signal is used to control the action of the shelling cylinder. Better than the exhaust air pressure feedback signal, the electrolyte voltage feedback signal is within the normal range, controlled according to the electrolyte voltage feedback signal; the electrolyte voltage feedback signal is within the normal range, controlled according to the exhaust air pressure feedback signal. In this method, when the shelling result is detected to be abnormal, the secondary beating is added to increase the success rate of shelling, reduce the blocking rate, and reduce the inspection intensity; after the cylinder striking hammer touches the electrolyte liquid level, the feedback voltage of the electrolyte liquid level is normal, The intelligent control cabinet immediately ends the shelling action, saving gas consumption, energy saving and emission reduction; construction cost and difficulty are saved, and integrated operation is realized.

The invention provides a solid-free drilling fluid, comprising a plugging and anti-slump inhibitor, a stabilizer, a viscosifier, a film-forming agent, a fluid loss reducer and water; the plugging and anti-slump inhibitor is composed of polymeric alcohol and The granular lost circulation plugging material modified by dimethyl dienyl ammonium chloride and the fibrous lost circulation material are obtained; the granular lost circulation plugging material includes fruit shell. Compared with the prior art, the plugging and anti-slump inhibitor used in the present invention utilizes the unique "cloud point" effect of polyalcohol to form an effective isolation film on the surface of the borehole wall to block the channel for drilling fluid to penetrate into the formation. The shell and fibers form a complex network structure, which reduces the depth of drilling fluid invasion into the formation; at the same time, the reaction between dimethyl dienyl ammonium chloride and polymer alcohol produces a synergistic effect to enhance the inhibition and dispersion of the system and achieve effective stability The effect of the well wall; combined with other additives, the drilling fluid system has high rheology, fluid loss and inhibition, and the system has a simple formula and is convenient for preparation and maintenance.

The invention discloses a gravure cylinder, a gravure printing device and a manufacturing method of a gravure cylinder. The gravure cylinder comprises a cylinder body and an adhesive layer, wherein a groove is formed in the peripheral face of the cylinder body and is used for transferring printing ink to a surface of a printing stock; and the adhesive layer is attached to an inner surface of the groove, and surface tension of the adhesive layer is 25-38 dyn / cm. The gravure cylinder provided by the invention can effectively reduce the probability of plate blocking, so that the production cost is reduced, and the production efficiency is improved.

The invention relates to a system for group repelling and illegal parking vehicle guiding and an operation method. The system is tool-type software capable of group repelling a plurality of illegal parking vehicles within a certain distance range to leave in time by sending reminding information, and is used for efficiently repelling illegal parking vehicles and improving the road traffic efficiency. Meanwhile, the illegal parking vehicle can be reminded and guided to be parked at a position which is not easy to cause blockage in a mode of displaying historical reminding information, so that the phenomenon of blockage caused by illegal parking is relieved. According to the principle, an illegal parking driver worries about own economic, time or driving license score loss caused by illegal parking and actively avoids the loss when knowing reminding information possibly causing the loss, so that an illegal parking vehicle is driven away from a position where traffic jam is likely to be caused, and finally the management purposes of relieving traffic jam caused by illegal parking, and ensuring the road traffic efficiency are achieved. The system is applied to the field of urban traffic management and can be used as an effective supplement of an existing management scheme so as to serve traffic management departments and drivers and create new growth points.

The invention relates to a burner cap and a gas cooker applying the burner cap. The burner cap comprises an annular burner cap body, wherein a gas mixing cavity is formed in the bottom of the burner cap body; and a fire transferring groove penetrating in the radial direction of the burner cap body is formed in the top of the burner cap body, and is in fluid communication with the gas mixing cavity. The burner cap is characterized in that a separating piece is arranged in the fire transferring groove, extends in the length direction of the fire transferring groove and divides the interior of the fire transferring groove into two areas; a through hole is formed in the separating piece; and the two areas in the fire transferring groove are in fluid communication through the through hole in the separating piece. According to the burner cap and the gas cooker applying the burner cap provided by the invention, the interior of the fire transferring groove is divided into the two areas by theseparating piece, and the two areas are communicated with each other through the through hole, so that the two areas are integrated and independent of each other and can stabilize the flame, and the fire transfer is stable and reliable.

The invention provides a powder collecting system which comprises a processing chamber, a first powder capturing device and a vacuum pump. The first powder capturing device is communicated with the processing chamber. The vacuum pump is communicated with the powder capturing device. The first powder capturing device comprises an inner chamber and a plurality of baffle plates. The plurality of baffle plates are vertically arranged in the inner chamber in a staggered manner and are used for dividing the inner chamber into a plurality of intercommunicated areas, thereby forming channels which arecommunicated with the air inlet end and the air outlet end of the inner chamber. The channels comprise a first air channel and a second air channel which are arranged in parallel. The air inlet end of the inner chamber is communicated with the processing chamber. The air outlet end of the inner chamber is communicated with the vacuum pump. The powder collecting system further comprises a detector, and an air outlet end arranged in the inner chamber for detecting air current magnitude and furthermore determining whether cleaning of the first powder capturing device is required according to a detecting result.

The invention discloses an IBN-based Internet of Things satellite system and a routing method thereof. The system includes an application layer, which is used to submit the intention requested by a user to a control layer; and a control layer, which is used to receive and translate the business intention of the application layer into The implementable solution is delivered to the data layer; the data layer is used for data forwarding; the maintenance layer includes a perception module and a self-healing module, where the perception module is used to Perceive the network status and maintain the smooth flow of the network according to the link load and traffic volume; the self-healing module is used to detect network abnormalities, establish firewalls, and predict security issues. The invention not only ensures the security and automatic maintenance in the Internet of Things satellite, but also solves the heterogeneity problem of the Internet of Things equipment, and effectively reduces the probability of network blockage caused by network configuration.

The invention relates to a feeding device for a steel shearing machine and a waste steel treatment system. The feeding device for the steel shearing machine comprises a supporting frame, a conveying belt, a feeding driving part, a material detection unit and a speed regulation control unit. The conveying belt is installed on the supporting frame. The feeding driving part is used for driving the conveying belt to slide in the direction from the feeding end to the feeding end so as to convey the steel and iron materials into a hopper of the waste steel and iron shearing machine. The material detection unit comprises a magnetic induction assembly and a detection assembly. The magnetic induction assembly is used for forming a detection magnetic field on the conveying belt. The detection assembly is electrically connected with the magnetic induction assembly and used for detecting the inductance fluctuation quantity on the magnetic induction assembly when the steel materials penetrate through the detection magnetic field. And the speed regulation control unit is electrically connected with the feeding driving part and is used for regulating the feeding speed of the conveying belt according to the inductance fluctuation quantity. According to the feeding device for the steel shearing machine, accurate control over the feeding amount can be achieved, and the probability of material blocking in the steel shearing process is reduced.

The invention belongs to the technical field of oil-field applied chemistry, and provides an efficient selective water plugging agent for oil fields and a preparation method of the efficient selective water plugging agent for the oil fields. The preparation method comprises the following steps of sequentially adding 18.0 percent to 22.0 percent of nonionic monomers, 10.0 percent to 14.0 percent of anionic monomer 1#, 4.0 percent to 8.0 percent of anionic monomers 2# and 2.0 to 4.0 percent of cationic monomers into a flask containing deionized water under the protection of nitrogen, and stirring sufficiently; adding 0.1 percent to 0.2 percent of crosslinking agent 1# and 0.1 percent to 0.15 percent of crosslinking agent 2#, and stirring sufficiently; adding 0.2 percent to 0.3 percent of oxidizing agent and 0.1 percent to 0.2 percent of reducing agent; reacting at a normal temperature for 30 min to obtain water plugging agent gel; purifying the gel and drying, and grinding the agent into products with different particle sizes according to requirements so as to prepare an expansive organosilicon selective water plugging agent. The water plugging agent prepared according to the method provided by the invention has the advantages of higher water plugging efficiency and lower oil plugging ratio, stability in performance at the normal temperature, strong acid resistance and strong inoxidizability, and the water plugging agent can be prepared into products with different particle sizes according to the size of formation pores. The prepared water plugging agent can be used for plugging water from producing layers during the production process and plugging water during the water injection and profile control process.