127results about How to "Increase the difficulty" patented technology

The invention relates to a low-loss corner-lifting and movement tearing cooperative type film tearing process of a screen display glass protective film. The process comprises the following steps: S1, tearing a film on an A surface; s2, transferring the screen display glass; and S3, tearing the film on the surface B. On one hand, in single-face film tearing, based on cooperation of the film tearing clamping jaw, the rolling wheel and the air nozzle, angle lifting is completed while the film tearing angle adhesive force is kept larger than the protective film tearing force, the damage and fracture rate of an adhesive tape and a corner is reduced, the high angle lifting success rate is achieved, meanwhile, through movement cooperation of the screen display glass and the film tearing clamping jaw, the film tearing difficulty is low, control is easy, and the film tearing efficiency is improved. The integrity and continuity of film tearing are high; on the other hand, overturning of the screen display glass is not needed in double-sided film tearing, transferring of the screen display glass is achieved in the protective film tearing process, the accidental friction rate in the glass overturning process is reduced, the structure is optimized, the layout space is greatly reduced, the equipment is miniaturized, and the double-sided film tearing efficiency of the equipment for treating the screen display glass is also improved.

The screen display glass film tearing equipment comprises a screen display glass loading unit, a film tearing unit and an adhesive supply unit, the screen display glass loading unit comprises a carrying table and a moving mechanism, the carrying table is used for positioning screen display glass downwards from a to-be-torn film, the film tearing unit is located below the to-be-torn film and comprises a film tearing head and a power device, and the film tearing head comprises a film tearing seat, a clamping jaw and a roller; the power device comprises a first power piece and a second power piece. On one hand, on the basis of movement cooperation of the clamping jaw and the rolling wheel, aligned gradual stripping of the rolling position and the stripping position of the to-be-torn film is kept, and on the other hand, the overturning angle is increased based on follow-up overturning of the extending section, so that the success rate of forming the stripping angle by inward overturning of the to-be-torn film is greatly increased; the probability that the glue is separated from the to-be-torn film or the corner of the to-be-torn film is torn is effectively reduced; on the other hand, diagonal film tearing is formed based on the relative movement of the screen display glass and the clamping jaw, the risk that the protective film is torn or falls off is reduced, and the whole film is torn off more efficiently in a more labor-saving mode.

The present application relates to ternary high-nickel lithium-ion battery cathode materials and a preparation method thereof. The general expression of the cathode material is Li(Ni 1‑a‑b‑c Co a Mn b D c )O2, 0.01

This utility model discloses a traction head, including a traction part and a connecting part. The connecting part engages with an anvil. Either the connecting part or the anvil has a recessed groove, and the other has a protrusion. When the connecting part engages with the anvil, the protrusion is inserted into the recessed groove. This engagement improves the reliability of the engagement and reduces the difficulty of detaching the connecting part from the anvil, making the traction head less prone to falling off during use. Assembly is simple; just insert the end of the anvil into the connecting part so that the protrusion is inserted into the recessed groove.

The invention relates to the technical field of optical anti-counterfeiting, and discloses anti-counterfeiting application of a circular polarization luminescent material. The preparation method of the circularly polarized luminescent material comprises the following steps: providing a compound CS5 shown in the specification, and the compound CS5 shows nematic phase liquid crystal properties in a temperature range of 36-66 DEG C; and adding a chiral agent into the compound CS5 with the nematic liquid crystal property, and reacting to obtain the circularly polarized luminescent material with the chiral nematic phase, . According to the chiral nematic phase circularly polarized luminescent material provided by the invention, the polarization state dimension is successfully introduced into optical anti-counterfeiting, the spanning from single luminescence verification to double verification of luminescence and polarization state switching is realized, and the technical problems of single anti-counterfeiting dimension and easy counterfeiting in the background technology are effectively solved; the method has the remarkable beneficial effects of improving the identification reliability and enhancing the anti-counterfeiting safety.

The utility model relates to packing box technical field, and disclose a kind of multilayer composite anti-fake packing box, including box body, clamping frame and bearing frame, box body is provided with lid, this multilayer composite anti-fake packing box, by being provided with clamping frame in the hidden groove of box body, first pawl is provided on the clamping cavity inner wall of clamping frame, and bearing frame is provided in the bottom of lid, second pawl is symmetrically provided on the U-shaped plate of the bottom of bearing frame, by the cooperation of first pawl and second pawl, after opening lid, U-shaped plate will be clamped in clamping frame and be sealed to through slot, make bearing frame unable again reset, prevent to renovate again, simultaneously, bearing frame is disconnected in tearing part position, further increase the difficulty of renovation, bearing frame is disconnected after, expose the anti-fake piece inside convenient reading.

The application discloses a safety door device of a ship engine room shed, which comprises a cabin aisle, an inner door arranged at the entrance of the cabin aisle, an inner protection mechanism arranged in the cabin aisle, an outer protection mechanism connected to the outer wall of the cabin aisle, and an auxiliary mechanism arranged in the outer protection mechanism. When the protection door is closed, the latch plate is inserted into the U-shaped groove, the pull block is pulled outwards, the pull block pulls the spring and drives the plug block to move out of the plug hole, the insertion rod can be inserted into the through hole and the square groove, the insertion rod fixing column latches the plate, thereby fixing the protection door. In addition, the insertion rod is completely immersed in the inner side of the through hole, the insertion rod can be located at the central position of the protection door by using the fact that the pull block is located at the center of the protection door, the two sides of the peripheral frame are prevented from being damaged, the insertion rod can be taken out at will, is far away from the two side edges of the peripheral frame, and the time for opening the protection door is prolonged.

The application discloses a butt welding flange, belongs to the technical field of flanges, and relates to a butt welding flange which comprises a mounting disc, a connecting pipe and a welded pipe, a plurality of mounting holes are formed in the mounting disc, a first sealing groove located outside the mounting holes and a second sealing groove located inside the mounting holes are formed on the side of the mounting disc away from the connecting pipe, a first sealing element is arranged in the first sealing groove, and a second sealing element is arranged in the second sealing groove; when two butt welding flanges are butted, the abutting surfaces between the two first sealing elements form a sealing surface, the abutting surfaces between the two butt welding flanges form a bearing surface, the sealing surface and the bearing surface are at least partially non-parallel, the two edges of the sealing surface are arranged in a staggered mode with the bearing surface, and the two edges of the sealing surface are located on the upper and lower sides of the bearing surface, so that the difficulty of fluid passing is increased. The application further discloses a feeding, drilling and turning integrated equipment for machining the butt welding flange. The application further discloses a machining method for machining the butt welding flange.

The utility model provides an anti-counterfeiting packaging film which comprises an AL film, an OPP film, a VC film, a false anti-counterfeiting mark, a covering anti-counterfeiting piece and an anti-counterfeiting two-dimensional code, the AL film, the OPP film and the VC film are compounded together, and the false anti-counterfeiting mark is printed on the OPP film; an anti-counterfeiting two-dimensional code is arranged on the AL film, and the AL film is compounded with the covering anti-counterfeiting sheet; according to the utility model, the AL film, the OPP film and the VC film are compounded, so that the composite film has protection and mechanical properties; the anti-counterfeiting mark and the anti-counterfeiting two-dimensional code are arranged in a staggered manner, and dynamic anti-counterfeiting of the thermosensitive covering anti-counterfeiting piece is matched, so that the anti-counterfeiting reliability and concealment are improved, and the anti-counterfeiting device is not easy to counterfeit.

This invention provides a method, apparatus, and electronic device for strength verification of hexahedral 3D printed lattice structures, relating to the technical field of 3D printed lattice structure verification. The method includes: acquiring the lattice structure corresponding to the target object and determining hexahedral lattice elements from the three-dimensional model of the lattice structure; determining the homogenized solid structure corresponding to the hexahedral lattice elements based on periodic boundary conditions and equivalent material parameters of the hexahedral lattice elements; and performing strength verification of the lattice structure of the target object based on macroscopic and mesoscopic finite element strength analysis of the homogenized solid structure. This alleviates the technical problem that existing technologies cannot quickly and accurately perform strength verification and lattice parameter optimization of the designed 3D printed lattice product structure.

The utility model discloses a kind of electric power cable distribution box capable of realizing cable butt joint, including box, the both sides of box are fixedly installed with several installation rings, the top of box is fixedly installed with ceiling, the bottom of ceiling inner cavity is fixedly installed with air pump, the inside of ceiling is fixedly installed with folding pipe, several air holes are arranged in the inside of folding pipe, the inside of folding pipe both ends is fixedly installed with metal mesh plug, the inside of box is fixedly installed with two groups of mounting plate, box inside is fixedly installed with clamping wire tube. By the air pump being set, the input end of air pump extracts the airflow inside box, airflow enters the cone box inside through the air hole of bottom plate at this time, and enters the air pipe inside through through-hole, after filtering sundries and dust by the metal mesh cylinder and dust filter cylinder in the air pipe inside, airflow is introduced into the box inside, airflow enters the inside of folding pipe through air hole, and is discharged to outside through folding pipe, increase the heat dissipation efficiency and protection degree, overall use effect is good.

The invention relates to the field of electric power cabinets, and discloses an intelligent micro-grid electric power cabinet and a use method thereof.The electric power cabinet comprises a cabinet body, a base and a controller, and the bottom of the cabinet body is detachably and fixedly arranged on the base; a cabinet door is hinged to the cabinet body, and the cabinet door and the cabinet body are locked through a coded lock; a passive protection mechanism is arranged on the side, away from the coded lock, of the cabinet door and used for conducting secondary reinforcement on the cabinet door. The cabinet body is also provided with an active protection mechanism, and the active protection mechanism carries out sensing through a trigger unit arranged on the cabinet door. When the cabinet door is forced to open, the active protection mechanism is driven to perform active protection. Through cooperation of the active protection mechanism and the passive protection mechanism, whether illegal entry exists or not is judged through dual verification of whether the coded lock is in a normal entry state or not and whether the passive protection mechanism is in a working state or not, so that an active protection assembly is selectively triggered for driving; therefore, the dual guarantee of passive safety reinforcement and active driving is considered.

The utility model discloses a kind of super pry-proof lock boxes, comprising: door leaf and lockset, lockset is installed at the frame of door leaf, the lockset includes lock box main body and right-angle edge covering steel plate, right-angle edge covering steel plate completely covers lock box main body front surface, and one end of right-angle edge covering steel plate is butt-jointed with the frame of door leaf, and the side of lock box main body close to door leaf is wrapped up.The utility model is made of right-angle edge covering steel plate of high-strength steel material completely covers lock box main body front surface, and is tightly butt-jointed with door leaf frame, and the side of lock box main body close to door leaf is wrapped up, the structure is formed after the panel of door leaf is destroyed, forms firm physical barrier, effectively blocks the intrusion of pry bar, chisel and other tools outside, prevents attacker direct contact and destroys lock box main body inside lockset core component, such as pull block, motor, transmission mechanism etc.

The application discloses a network security defense method, device, equipment, system and medium, and belongs to the field of data processing. The method comprises the following steps: obtaining original traffic data packets of a real business system; performing session recombination according to the original traffic data packets to obtain a session flow; performing structural analysis on the original traffic data packets, changing field values of at least part of fields obtained through analysis to obtain target data pairs comprising fields and field values; generating at least one honeypot decoy traffic data based on the session flow and the target data pairs; and running the at least one honeypot decoy traffic data on a decoy server and a decoy client. According to the embodiment of the application, the identification difficulty of the honeypot decoy and the real business system can be improved, so that the attractiveness of the honeypot decoy to attackers is improved.

The embodiment of the invention discloses an encryption communication method of an active system and a storage medium, and is applied to the technical field of communication. In the encryption communication process between an active controller and receiving glasses, the active controller sends a dog feeding array in a specific time of a sending period of left and right eye opening and closing control signals instead of sending the dog feeding array in the whole sending period; and the receiving glasses perform safety inspection by inspecting whether the receiving time of the receiving dog feeding array is within a specific time, and when the receiving time is not within the specific time, the receiving glasses enter a standby dormant state. In the process, the dog feeding array is transmitted in a specific time, so that the security inspection difficulty of the receiving glasses is improved, and the security of encrypted communication between the active controller and the receiving glasses is improved to a certain extent.

The utility model relates to the technical field of electronic equipment, in particular to an anti-disassembly battery structure and electronic equipment, and the anti-disassembly battery structure comprises a shell which is provided with a battery cabin for accommodating a battery; the battery cover is detachably mounted on the shell and is used for covering the battery compartment; the protection part is located between the battery cover and the battery and used for preventing the battery from being separated from the battery bin, and the protection part is detachably connected into the battery bin. The protective part is arranged between the battery cover and the battery to prevent the battery from being separated from the battery bin, and the anti-disassembly structure can eliminate the potential safety hazard that children eat the battery by mistake due to the fact that the battery is easy to be separated after the battery cover is disassembled. Compared with the mode that a screw structure is directly arranged on the battery cover, the built-in protection piece is undoubtedly more hidden, the protection piece is shielded after the battery cover is installed, no screw trace is left on the surface of the shell, and the product appearance is more advanced and attractive.

This utility model discloses a children's catapult chess toy, including a chess table, elastic rope, and a defensive blocking component. A partition is fixed in the middle of the chess table, and a through hole is opened in the middle of the partition. The elastic rope is installed at both ends of the inner side of the chess table and launches the chess pieces. The chess pieces are divided into two colors. The defensive blocking component is installed inside the partition to intercept and block the chess pieces that are launched through the through hole. By adding a chess table, elastic rope, and defensive blocking component, this utility model can increase the difficulty of playing catapult chess, improve children's hand-eye coordination, increase children's fun, and enhance the interest of children's catapult chess.

The embodiment of the invention discloses a cracking risk processing method and device, electronic equipment and a computer program product. Wherein the client calls a communication interface to establish at least two communication connections with the server side, calls a java layer communication interface to establish at least one type of communication connection with the server side, and calls a C / C + + language layer communication interface to establish at least one type of communication connection with the server side; respectively generating at least two messages by using the operation data of the client, and respectively sending the at least two messages to the server through the corresponding communication connections; and the server side detects whether the client side has a cracking risk or not by comparing the consistency of the operation data corresponding to the same request identifier. On one hand, the cracking difficulty of a client communication interface is reinforced through a C / C + + language layer communication interface; and on the other hand, through cross validation of the transmission layer, low-cost and high-reliability cracking risk detection is realized, so that the data authenticity is improved.

This invention proposes a method for randomizing structure layout during loading. The method first identifies the randomizable boundaries of structure types in the target program. Combining structure layout information from the abstract syntax tree with type conversion relationships and fixed offset access relationships in the LLVM intermediate representation and sparse value flow graph, a set of non-randomizable structure types is constructed. Subsequently, structure information is collected and transmitted for the remaining randomizable structures. Structure type information, field access information, access instruction locations, and the location information of static structure objects in the data segment are embedded into a dedicated section of the final binary file. During program loading, a customized loader parses the dedicated section, restores the original structure layout, generates a new randomized layout, and performs consistency correction on access instructions in the code segment that depend on the old field offsets and statically initialized structure objects in the data segment before starting the program.

The utility model discloses a warm air blower, which relates to the field of warm air blowers, and adopts the technical scheme that the warm air blower comprises a machine body, a heat insulation net is mounted on the front side of the machine body, a ventilation grille is arranged on the rear side of the machine body, protective shells are arranged on two sides of the machine body, rolling columns are arranged in the two protective shells, and covering cloth is fixedly connected onto the rolling columns. One end of the covering cloth can be fixed to the machine body, and a containing groove is formed in the ventilation grille. When the machine body needs to be stored, people pull out one end of the shielding cloth and fix the other end of the shielding cloth to the machine body, at the moment, the winding column can apply pulling force to the shielding cloth, so that the shielding cloth can be tightly attached to the machine body, the ventilation fence and the heat insulation net are both shielded and sealed by the shielding cloth, and the difficulty that water vapor and dust enter the machine body can be increased; and the containing groove is formed, so that people can put moisture absorption tools such as a drying bag into the containing groove, the immersion of water vapor in the machine body is reduced, and the overall service life of elements in the fan heater is guaranteed.

The embodiment of the invention provides an information processing method, an access request processing method, equipment, a medium and a product, and relates to the technical field of computers, the method comprises the steps that biological behavior information of an access end of a resource object is acquired, and the biological behavior information is used for representing an interaction behavior of the access end and the resource object through interaction equipment; under the condition that the features extracted from the biological behavior information do not conform to predetermined baseline features, determining the access request of the biological behavior information of which the extracted features do not conform to the predetermined baseline features as a malicious access request, the predetermined baseline features being used for representing the features of the biological behavior information of a non-malicious access end; the non-malicious access end is an access end having no malicious access request for the resource object. In the scheme, the biological behavior information is not easy to counterfeit, the judgment of the malicious access request based on the biological behavior information is beneficial to improving the security of the resource object, and the judgment based on the predetermined baseline characteristics is beneficial to simplifying the judgment process and improving the information processing efficiency.

This invention discloses an analog-to-digital converter (ADC) for voltage-mode RRAM (Remote Digital RAM) memory circuits, belonging to the field of ADC technology, including a source line SL. i The system includes a sampling module, an error amplifier A, a first quantization circuit, a second quantization circuit, a buffer BU, and power supplies LDO- and LDO+; the source line SL... i The error amplifier A is connected to the sampling module; its inverting input is connected to the sampling module, and its non-inverting input is connected to a capacitor C. C The capacitor C C The lower plate is grounded; power supplies LDO- and LDO+ provide high and low initialization reference voltages V to the first and second quantization circuits, respectively. ref The quantization reference potentials are used to determine the positive or negative value of the quantization value. No external signal control is required. When expanding the quantization bit width, only the number of quantization potentials provided by the power supply needs to be changed, without exponentially increasing the number of comparators or setting up a DAC capacitor array, which greatly reduces the circuit area and power consumption.

The embodiment of the invention discloses a picture processing method and device. The method is executed on a C / C + + layer, and comprises the following steps: in response to a detected picture shooting request, calling a dynamic library corresponding to a camera function, and obtaining initial picture data shot by a camera through the dynamic library; performing signature processing on the initial picture data to obtain initial picture data including a digital signature; performing format conversion and alpha channel coding processing on the initial picture data to obtain intermediate picture data including an alpha channel coding value, the intermediate picture data being used for being added with a watermark by a client to obtain a target picture; and in response to a storage or uploading request for the target picture, verifying the digital signature and the alpha channel coding value included in the target picture, and detecting whether the target picture has a tampering risk or not according to a verification result. Through the method, the tampering difficulty of the picture data can be increased, meanwhile, whether the picture data has the tampering risk or not can be effectively detected, and the authenticity of the picture data is ensured.

The application discloses a data shunting method and device, related equipment and a computer readable storage medium. The method comprises the following steps: obtaining first information; the first information represents user plane information of at least one first user; the first information comprises at least one of the following: GTP-U tunnel identification information; IP address information of a UE; associating the first information with identity identification information of the corresponding first user to obtain second information; the second information represents association information of the first information and the identity identification information of the corresponding first user; and reporting the second information to a shunting device; the shunting device is used for shunting data by using the second information. In the application, the user plane information is dynamically allocated when a user logs in a network, and the user plane information needs to be dynamically allocated again when the user logs in the network again, so that the difficulty of obtaining the user plane information of a local user by an illegal user is greatly increased, and the security of a local application is enhanced.

The utility model provides a sludge treatment sludge discharge pipe filter tank, which comprises a filter tank body, two sides of the filter tank body are respectively communicated with a sludge inlet pipe and a sludge outlet pipe, a filter assembly is arranged in the filter tank body, the filter assembly comprises a filter plate, the filter plate comprises an inclined filter plate and a horizontal filter plate, and the inclined filter plate and the horizontal filter plate are arranged in the filter tank body. The filtering tank body is divided into a first cavity and a second cavity by the filtering plate, the first cavity is communicated with the sludge inlet pipe, and the second cavity is communicated with the sludge outlet pipe. In the filtering process, muddy water enters the first cavity of the filtering tank body through the mud inlet pipe and then enters the second cavity after being filtered by the filtering plate, and the muddy water entering the second cavity enters the lifting pump after being discharged through the mud outlet pipe, so that impurities in the muddy water are prevented from entering the lifting pump, and the protection of the lifting pump is facilitated.

This invention relates to the field of lightning protection technology for high-voltage transmission lines in power systems, specifically to a non-following current multi-stage gap lightning protection device and overvoltage protection method. The device includes multiple multi-stage gap bodies, a high-voltage fixing component, and a low-voltage fixing component. The two ends of each multi-stage gap body are connected to the high-voltage and low-voltage fixing components, respectively. Each multi-stage gap body includes multiple transverse electrodes. These transverse electrodes all point towards the space enclosed by the multiple multi-stage gap bodies and are arranged transversely at intervals in the longitudinal space, forming multi-stage discharge gaps between adjacent transverse electrodes. The high-voltage and low-voltage fixing components are respectively equipped with high-voltage and low-voltage electrodes. This invention employs a split-type distributed structure. The ingenious arrangement of multiple transverse electrodes forms exposed multi-stage discharge gaps, which can quickly guide the movement of the electric arc. The flashover path has stable and reliable discharge performance, effectively dissipating lightning energy and protecting the safety of the distribution network lines.

The invention discloses a method and a system for protecting portrait feature data of multilayer space mapping, which are used for scenes such as user portraits / article portraits and the like. According to the method, a three-layer mapping architecture of a scalar input layer (S)-a middle random layer (R)-a target output layer (C) is adopted, and multi-stage irreversible transformation processing is carried out on original scalar data. The method comprises the following steps: firstly, mapping a scalar into an intermediate vector by utilizing a one-way function of cryptography security and combining a secret key and an offset; secondly, distance features of the intermediate vector are extracted, direction features are discarded, and the distance features are converted into two-dimensional space coordinates through a deterministic mapping algorithm; according to the method, the irreversibility of reversely deducing the scalar quantity from the coordinates is ensured by erasing the angle information of the middle layer; the space isolation in different business scenes is realized by introducing the offset; according to the method, a deterministic rejection sampling algorithm based on HMAC is preferably adopted, the problem of center aggregation existing in a traditional mapping method is solved, uniform distribution of coordinates in a set area is achieved, sensitive feature value scalar quantities of all dimensions in portrait feature vectors are mapped into two-dimensional coordinate points, and the two-dimensional coordinate points are aggregated to form an object portrait feature matrix; the method is used for cross-system analysis, clustering, similar retrieval and visual display, and meanwhile plaintext feature value leakage can be avoided.

The invention relates to the field of metal roof systems, in particular to a roof panel auxiliary fixing support which is used in cooperation with a roof panel main fixing support and can improve the wind resistance of a roof. The auxiliary fixing support is divided into a fixed type auxiliary fixing support and a sliding type auxiliary fixing support, the fixed type auxiliary fixing support is composed of a metal stamping part, and the sliding type auxiliary fixing support needs to be used in cooperation with a sliding rod. Two round holes are formed in the lower end of the fixed auxiliary fixing support and used for being fixed to the main fixing support, a sliding hook is arranged at the lower end of the sliding auxiliary fixing support, the sliding auxiliary fixing support is fixed to a sliding rod through the sliding hook and can freely slide on the sliding rod, and then the sliding rod is fixed to the main fixing support through a self-tapping screw. A pressing hook is arranged at the upper end of the auxiliary fixing support and used for pressing a male rib of a roof panel on the main fixing support to prevent the male rib from being blown away from the main fixing support by wind, and an anti-skid folded edge is arranged at the end of the pressing hook and used for preventing the auxiliary fixing support from slipping off from the male rib under the action of external force.