39results about How to "Improve leak-proof performance" patented technology

The invention relates to the technical field of information safety, particularly to a method and a system for auditing and distributing sensitive data based on an evolution strategy. The system of the invention comprises a risk evaluation module based on trust, an auditing and distributing module based on a strategy, a data leakage auditing module and a sensitive data management service module; the risk evaluation module calculates the trust level of the user behavior and investigates the intersection of a leakage set and an intersection of an acquired set of the user, so that the crime risk of the user is obtained; the distributing module determines a distribution policy under the guide of a crime factor and a judging sum formula according to user application and distribution records; and the auditing module records a distributing log, counts the information for analyzing the user behavior and the data leakage, and feeds back an auditing result to the risk evaluation module and the distributing module. The invention meets the requirements of the anti-leakage application of the sensitive data having high requirements for data completeness; the detection source is detected by the intersection of the acquired data set of the user and the leakage data set; and no watermark information needs to be imbedded, so that the invention meets the application requirements of the sensitive data having high requirements for the completeness and the privacy.

The invention discloses a correctable automatic adjustment double-plug linkage liquid leakage prevention exhaust valve. The valve comprises a valve body, an upper-stage cavity and a lower-stage cavityare formed in the valve body, a piston pipe is installed at the upper end of the valve body in a sealed and threaded mode, and the lower end of the piston pipe extends into the upper-stage cavity andis provided with a synchronous pipe in a sealed and sliding insertion mode. The synchronous pipe sleeves a sealing plug, and the lower end of the synchronous pipe extends into the lower-stage cavityand is provided with a floating ball plug. Linkage sealing is achieved through the sealing plug and the floating ball plug under the action of the synchronous pipe, the liquid leakage degree is sensedthrough a pressure regulating floating ball, and a pressure regulating air hole is opened through a piston column to release high-pressure gases in the floating ball plug into the upper-stage cavityto restrain rising of the liquid level and increase buoyancy of the floating ball plug. Reinflation correction reuse is achieved through the piston pipe and a one-way inflation nozzle, the service life of the exhaust valve is prolonged, the liquid leakage prevention effect is improved, the liquid conveying cost is saved, and resource waste is avoided.

The invention discloses a management method for preventing medical waste from leaking. According to the method, the initial weight of medical wastes is weighed, and the completeness of the medical wastes is determined through matching verification, so that the situation that the medical wastes are missed in the transferring process is reduced; by setting identity identification code, the identityof the medical waste can be recognized, so that the risk that lawbreakers use other objects with the same weight to carry out bag changing on the waste is avoided, and the whole treatment process of the medical wastes is safe; when the medical wastes are stored, the medical wastes are sealed and stored through a temporary storage box, so that the anti-leakage effect of the medical waste is furtherimproved; the situation of the medical waste is conveniently observed through video monitoring, so that safety is improved; and the medical waste needs to be processed through an early warning management module before being delivered out of a warehouse, the most correct judgment can be made, corresponding early warning information is generated, and the anti-leakage effect is effectively improved.

The invention discloses an atomizer which comprises a bottle body, a spray head, an air inlet guiding pipe and a one-way valve structure. The bottle body is internally provided with a containing cavity used for containing a liquid to be atomized, the spray head is connected with the bottle body and seals the containing cavity, the spray head is provided with an air inlet, the air inlet guiding pipe is arranged inside the spray head, a first end of the air inlet guiding pipe communicates with the air inlet, a second end of the air inlet guiding pipe stretches into the containing cavity, the one-way valve structure comprises a valve inlet and a valve outlet, the liquid can flow from the valve inlet to the valve outlet and cannot be inverted, and the valve inlet communicates with the second end of the air inlet guiding pipe. According to the atomizer, the valve inlet of the one-way valve structure communicates with the second end of the air inlet guiding pipe, only gas is allowed to passthrough the valve inlet from the air inlet guiding pipe and flow from the valve outlet into the containing cavity, but the liquid to be atomized inside the containing cavity is not allowed to be inverted to flow from the valve outlet to the valve inlet and into the air inlet guiding pipe, the leakage of the liquid to be atomized from the air inlet guiding pipe to the outside of the atomizer can beavoided, the pollution to other articles is avoided, the leakproof performance of the atomizer is improved, and the usage experience of users is improved.

The invention discloses a shaft seal of a nuclear grade centrifugal fan. The shaft seal comprises a transmission shaft and a fan volute. A flow guiding air returning cavity wrapped by a flow guiding air returning cavity casing is arranged on the right side of the fan volute, the fan volute and the flow guiding air returning cavity are in clearance fit with the transmission shaft, one end of an air returning pipe is further connected in the flow guiding air returning cavity, the other end of the air returning pipe is connected with a fan air inlet, sealing fillers are arranged at the right end of the flow guiding air returning cavity, the sealing fillers and the transmission shaft are matched closely, a sealing cover is arranged on the sealing fillers, and the sealing cover is further fixedly connected with the flow guiding air returning cavity casing. The shaft seal solves the problem in the prior art and has the advantages of being reasonable in structure, simple in maintaining, low in leakage quantity, safe and reliable and the like.

The invention relates to the field of information security, and provides a display information encryption method, device and equipment and a storage medium, wherein the method comprises the steps of obtaining a target sensitive level of current display information, and when the target sensitive level reaches a preset sensitive level, collecting a first image of a display area of a target display area corresponding to the current equipment according to a first preset frequency; judging whether camera equipment exists in the target display area or not according to a preset camera equipment identification model and the first image of the display area; and when the camera equipment exists, performing corresponding encryption processing on the current equipment and/or the current display information. In addition, the invention also relates to a block chain technology, and the camera device identification model can be stored in the block chain. According to the invention, information leakagecaused by camera equipment can be effectively avoided; the anti-leakage effect of equipment display information is improved; watermarks are prevented from being added to all display information of the equipment; and the user experience is improved.

The invention discloses a door seal structure, a refrigeration device adopting the door seal structure and a seal device adopting the door seal structure. The door seal structure comprises a door body and a container body. The side wall of the container body defines a containing space, wherein one end of the containing space is open, and the other end of the containing space is closed. The door body is used for sealing the open end of the container body. An annular outer edge and a first convex portion are formed on the side, facing the containing space, of the door body, wherein the annular edge surrounds the first convex portion. The first convex portion protrudes towards the closed end of the container body. The end, facing the door body, of the side wall is a free end. The inner edge of the free end is recessed towards the closed end, so that a first convex portion surrounding the first convex portion. At least a part of the first convex portion is contained in the first concave portion. The annular edge faces the outer edge of the free end of the side wall. The technical scheme aims to improve the leakage-resisting effect of the door seal structure.

The invention relates to an atomization seat, an atomizer and an electronic atomization device. The atomization seat is used for installing an atomization assembly and an electric connecting piece, an atomization cavity is formed between the atomization seat and the atomization assembly, an gas inlet gap is formed between the atomization seat and the electric connecting piece, and when the atomization assembly works, external gas enters the atomization cavity from the gas inlet gap. Gas is input into the atomization cavity through the gas inlet gap between the atomization base and the electric connecting piece, under the adhesion and blocking effects of the electric connecting piece, leaked liquid, flowing into the gas inlet hole, of the atomization cavity is difficult to leak out of the atomizer from the gas inlet gap, and therefore the leakproof performance of the atomizer is improved.

The invention relates to novel anti-leakage and steam-recycling copper processing equipment which comprises a reaction kettle. A partition plate is arranged in the reaction kettle, and a material guide hole is formed in the partition plate. A motor works together with a screw rod and a screw pipe to open and seal the material guide hole, so that harmful gas in the reaction kettle cannot leak during feeding. A vacuum pump is arranged, so that the feeding time of copper powder is shortened, and the anti-leakage performance of the reaction kettle is further enhanced. Meanwhile, a steam circulating device is connected to the outer part of the reaction kettle, the harmful gas generated in the reaction kettle is recycled, and the maximization of environmental protection benefits is realized.

The invention relates to the field of automobile exhaust pipe detection. An automobile exhaust pipe detection equipment comprises a flow detection device, a cold insertion device, a hot embedding device, a tightening device, a dust removal device, a leakage test device and a control system; the flow detection device is connected with the cold insertion device; the flow detection device is used forflow detection of an exhaust pipe; the cold insertion device is used for performing cold insertion processing on the exhaust pipe; the hot embedding device is connected with the cold insertion device, and the hot embedding device is used for performing nut hot embedding processing; the tightening device is connected with the hot embedding device, and the tightening device is used for tightening anut on the exhaust pipe; the dust removal device is connected with the tightening device, and the dust removal device is used for performing dust removal on the interior of the exhaust pipe; and theleakage test device is connected with the dust removal device, and the leakage test device is used for detecting the leakage condition of the exhaust pipe. The automobile exhaust pipe detection equipment provided by the invention has the advantages of improving the anti-leakage sealing performance and the anti-blockage effect of the exhaust pipe, and further improving the detection effect and thedetection quality of the exhaust pipe.

The invention discloses a novel gasket which comprises a gasket body. The gasket body is provided with an annular groove and an inner bore. Since the gasket is provided with the annular groove structure, when the gasket is under the action of an external force, a certain pressure can be generated in the groove so that the pressure difference is generated between the inside and the outside of the gasket, which is beneficial to the improvement of the leakage prevention capacity of the gasket, and meanwhile, the good air tightness of electronic equipment can be ensured.

The invention discloses an air energy water heater which comprises an inner container and a heat exchange coil. The heat exchange coil is located in the inner container, two ends of the heat exchange coil penetrate through the inner container, and the heat exchange coil is of a double-layer coil structure. The double-layer coil is built in the inner container to perform heat exchange, the length of a heat exchange tube in the inner container is increased through the double-layer coil, a heat medium can perform full heat exchange in the inner container, and meanwhile the whole air energy water heater is invariant in size, simple in structure, high in heat transfer efficiency, low in energy consumption and manufacture cost. Compared with a traditional air energy water heater box in which clean keeping, sterilization and descaling cannot be achieved, a detachable inner coil heat exchanger is assembled in a heat storage water tank of the enamel inner container of the air energy water heater, can be used for daily dismounting and cleaning, descaling, sterilization and disinfection and maintenance and enables each hair follicle respiratory system on the body of each consumer using the air energy water heater to enjoy clean and sanitary heat accumulation warm water.

The invention discloses a holding plate decay-resistant and wear-resistant slurry pump which comprises a pump body (1), a pump cover (2), a shaft (3), a sealing box (4), a vane wheel (5) and a mechanical sealing device; the mechanical sealing device consists of a moving ring (6), a static ring (7), a static ring seat (8), a spring (9) and a spring seat (10); the spring seat (10) is positioned with two dummy clubs of the static ring seat (8) by two seams (11) at one end; the static ring (7) is positioned with two dummy clubs (12) at the other end of the spring seat (10) by the two seams on the static ring (7) ; the moving ring (6) is positioned with the vane wheel (5) by the seams on the moving ring (6); the friction surface of the moving ring (6) contacts the friction surface of the static ring (7). The structure adopted by the invention prolongs the service life of the slurry pump due to being capable of improving leak prevention performance.

The invention provides an anti-leakage structure for a joint of an engine oil alarm, which includes a connecting column, an insertion piece and a connecting piece. The connecting piece is arranged between the connecting post and the inserting piece, a limiting plate is arranged on the connecting piece, and a connecting block is arranged between the connecting post and the inserting piece. In the present invention, a connecting block is arranged between the connecting column and the inserting piece, and a sealing ring is arranged between the connecting piece and the connecting piece. The sealing performance between the connecting column and the inserting piece is improved through the connecting block, and the joint of the oil alarm is improved. The anti-leakage performance enhances the quality and performance of the oil alarm joint, thereby improving the product quality of the oil alarm. The sealing ring further improves the sealing between the connecting column and the insert, and enhances the quality and performance of the oil alarm joint.

The invention relates to the technical field of power equipment and discloses a default parameter self-recovery device for the power equipment of the flexible direct-current power transmission technology. An identity recognition device is arranged outside the equipment body. A processing device is embedded in the equipment body. A data operating system is installed in the processing device. Default parameters are stored in the original system storage module. The input end of the operating system backup module is further connected with a data encryption device, a virus checking module, a data integrity detection module and a data cleaning module. The output end of the operating system backup module is connected with a data uploading device. According to the equipment default parameter self-recovery device, the real-time backup system and the initial system work together, so that system replacement and default parameter self-recovery can be quickly and timely carried out after a data file is damaged. The data anti-leakage effect is further improved through data encryption.

The invention discloses a tail vehicle receiving hopper of a bucket wheel machine. The tail vehicle receiving hopper is composed of a receiving hopper body, a receiving hopper support, a receiving hopper hydraulic lifting device, a receiving hopper hydraulic lifting driving device, a rotatable material blocking cover, a material blocking cover rotating driving device and a material blocking cover support; lug plates on the two sides of the receiving hopper body are connected with the receiving hopper hydraulic lifting device fixed to the material blocking cover support to arrange the receiving hopper body on a tail vehicle conveying belt; the rotatable material blocking cover is in an arc shape; the rotatable material blocking cover, the material blocking cover support and the receiving hopper body are coaxially arranged from outside to inside; the lower section of the receiving hopper body is wrapped by the rotatable material blocking cover; a sliding rail on the outer wall of the rotatable material blocking cover is matched with a sliding groove in the inner wall of the material blocking cover support; the material blocking cover driving device drives the sliding rail to slide in the sliding groove to enable the material blocking cover to rotate; and a lifting hopper is matched with the rotatable material blocking cover, abrasion of the inner wall of the hopper and the tail vehicle conveying belt due to bulk material accumulation and blockage can be reduced, and the leakage preventing capacity is fully guaranteed while the tail vehicle receiving hopper adapts to multi-direction tail vehicle coming.

The invention discloses a compensation sealing valve seat. The valve seat comprises an inner ring and an outer ring. The end, close to a valve body, of the inner ring is provided with a shoulder, theouter ring sleeves the inner ring, and a compensation spring is arranged between the inner ring and the shoulder. The ends, close to a valve element, of the outer and inner rings are in shapes fittingthe sealing surface of a valve element, the outer ring fits the valve element to form a first sealing pair, and the inner ring fits the valve element to form a second sealing pair. A containing cavity which is distributed in the circumferential direction is formed between the outer ring and the inner ring, a sealing ring is arranged in the containing cavity, and a third sealing pair is formed bythe sealing ring and the valve element. By arranging the compensation spring and a combined sealing pair, the valve seat has the capacities of compensating for manufacturing and installing errors andautomatically compensating for the abrasion amount. The combined sealing pair can be applied to high-low-pressure working environments, and the sealing performance is good.

The invention discloses a working method of a tail car receiving hopper of a bucket wheel machine. The device is composed of the receiving hopper, a receiving hopper support, a receiving hopper hydraulic lifting device, a receiving hopper hydraulic lifting driving device, a rotatable material blocking cover, a material blocking cover rotation driving device and a material blocking cover support. The receiving hopper hydraulic lifting driving device is arranged on the receiving hopper support and drives the receiving hopper to achieve lifting motion; and the rotatable material blocking cover is of an arc-shaped structure, and an opening of the rotatable material blocking cover is smaller than the width of a tail car conveying belt. According to the working method, through the method that the receiving hopper can do lifting motion, the distance between the bottom end of the receiving hopper and the tail car conveying belt is actively increased or decreased, bulk materials cannot be blocked and accumulated at the bottom end of the receiving hopper, the bulk material conveying efficiency is improved, and abrasion of the tail car conveying belt is reduced. In addition, through the method that the material blocking cover can rotate, the opening of the material blocking cover faces the car coming direction of the tail car conveying belt all the time, the leakage preventing capability of the receiving hopper during multi-direction car coming of the tail car conveying belt is improved, and meanwhile flying dust pollution is reduced.

The invention belongs to the technical field of sensitive data protection, and discloses a method and system for preventing leakage of sensitive data of a database, and the method comprises the steps: S1, receiving a data access request sent by a first access terminal; S2, judging whether the data access request contains an expected access position or not; if yes, entering the step S3; if not, entering the step S4; S3, identifying a first access permission of the first access terminal; S4, judging whether the expected access position is matched with the first access permission or not; if yes, entering the step S5; if not, entering step S6; S5, executing data access according to the expected access position; S6, executing an abnormal access alarm, stopping access and clearing the first access authority of the first access terminal; in conclusion, fixed-point access is executed during data access, and whether abnormal access exists or not is judged by comparing the expected access position and the access permission of the access terminal, so that leakage of sensitive data can be effectively avoided.

The invention belongs to the technical field of gap anti-seepage repairing, and particularly relates to a concrete gap repairing and anti-seepage treatment method. The concrete gap repairing and anti-seepage treatment method comprises the following specific steps of S1, forming a pouring pit in one end of a gap, specifically, the pouring pit is formed between delayed coagulation soil structures on two sides, the pouring pit is located at the upper end of the gap between the delayed coagulation soil structures on the two sides and is in a symmetrical arc shape, and a sealing flange is reserved on the inner wall of the upper side of the pouring pit; S2, forming an anti-leakage groove in the upper portion of the pouring pit; S3, repairing material pouring; and S4, filling and paving an anti-leakage layer. Through cooperation of the pouring pit and the anti-seepage groove, construction is conducted in two steps, the construction effect is improved, different raw materials are adopted in different steps, and the anti-seepage performance of the repaired concrete can be remarkably improved; and through the arrangement of structures such as a closed inner groove, the leakage condition is blocked from a physical structure.