30results about How to "Avoid malicious damage" patented technology

The present invention provides a turret-style multistorey parking garage. The turret-style multistorey parking garage at least comprises a parking space frame in a multistorey annular shape, a lifting tower disposed in the center of the parking space frame, and a lifting platform installed on the lifting tower and moving up and down along the lifting tower, wherein the parking space frame is in a frame-type structure, any storey of the parking space frame is level with the ground and thus is an entrance and exit storey while the other storeys are storage storeys, parking spaces are uniformly distributed along a peripheral direction in the storage storeys, transition parking spaces are distributed uniformly along a peripheral direction in the entrance and exit storey, the lifting tower is vertically fixed in the circle center of the parking space frame, the lifting platform is annular, sleeves the lifting tower, moves up and down along the lifting tower and also can rotate around the lifting tower, transferring parking spaces are arranged uniformly along a peripheral direction on a platform face of the lifting platform, and each transferring parking space is provided with tracks and a tractor. The parking garage is in a multistorey structure, is small in occupied area, can provide a lot of parking spaces, and is convenient and efficient in parking and car fetching.

The invention discloses an anti-theft safe with energy-saving and automatic power-off for smart home, which relates to the technical field of safes and solves the problem that the optimization design of the anti-theft mechanism in the existing safe is not reasonable enough, the anti-theft structure is single, and only single-layer anti-theft can be carried out. The problem of poor security performance. A smart home energy-saving automatic power-off anti-theft safe, including a cabinet body, the cabinet body includes a track groove, a positioning shaft, an L-shaped clamping plate, a limit switch and a sealing baffle, and the cabinet body has a rectangular structure as a whole. There are five storage drawers inside, and a sealing baffle is supported and welded between the top sections of the left and right inner walls of the cabinet; There are two through chutes symmetrically located on the outer eaves on the front side of the board. The two stop rods in the present invention can block and position five storage drawers, which are the second layer of anti-theft structure of the safe, and can effectively improve the anti-theft performance of the safe.

The invention discloses an intelligent terminal for tourists based on big data, which includes a base layer and an application layer; the base layer includes an identity authentication module, a positioning module, and a clock module; the application layer includes a weather reminder module, a meal reminder module, a scenic spot push module, Traffic condition module. The invention solves the problem that it is difficult for city tour tourists to quickly extract effective city tourism information from the massive information pushed by the city, realizes directly providing city tourism resource data for tourists through intelligent terminals, improves the service quality of city tour, and provides tourists with better quality The purpose of urban tourism services.

The invention relates to a stereo circulating double-layer parking garage. The stereo circulating double-layer parking garage comprises supporting frames on two sides connected through cross beams, cross shafts bridged at the two ends of the supporting frames on two sides through bearing pedestals respectively, gear discs fixedly arranged at the two ends of the cross shafts, chains surrounding the two gear discs on the same side respectively, chain guiding rails arranged on the outer surrounding surfaces of the chains on the two sides through the supporting frames respectively, a driving motor fixedly arranged on the supporting frame on one side, and a transmission in driving connection with the driving motor, wherein an output shaft of the transmission is in driving connection with the gear disc on the side through a transmission mechanism; multiple groups of mutually corresponding triangular straight plates are arranged on the chains on the two sides through two adjacent link shafts respectively; a hanging beam shaft is arranged at the free ends of each group of corresponding triangular straight plates through bearings; a parking unit is fixedly arranged and hung onto each hanging beam shaft. The stereo circulating double-layer parking garage has prominent advantages of high space utilization ratio, high working efficiency, safety and reliability, and has better site adaptability.

The invention discloses a partition wall for an outdoor car exhibition. The partition wall comprises main partition boards, secondary partition boards, glass panels and bamboo charcoal boards. Fixinggrooves are formed in the back edges of the main partition boards, limiting plates are mounted on one sides of the fixing grooves, sliding blocks are arranged at the edge sides of the fixing grooves,and moving grooves are reserved in the tops of the sliding blocks; limiting grooves are formed in one sides of the secondary partition boards, and sliding grooves are reserved in the edge sides of thejunctions of the secondary partition boards and fixing pieces; air-permeable holes are formed in the main partition boards and the secondary partition boards correspondingly, and the glass panels arearranged at the edges of the front faces of the main partition boards and the secondary partition boards; and magnetic sheets are mounted at the junctions of buffer cushions and the glass panels, andthe bamboo charcoal boards are arranged in the main partition boards and the secondary partition boards. The partition wall for the outdoor car exhibition is of a combined-type mounting structure andconvenient to demount and mount, and has certain sound attenuation and gas cleaning effects, and using and storage transferring of a body are facilitated.

The invention discloses a vehicle-electricity-separated pileless public motorcycle, comprising a motorcycle body and a battery for supplying power to the motorcycle body. The hollow main beam tube of the bicycle body is provided with an embedded power input socket, the power input socket and the controller are electrically connected through a circuit arranged in the main beam tube, and the power input socket and the controller are also arranged on the main beam. The circuit in the tube is connected to the drive motor of the electric bicycle; the battery is an independent external battery cell, and the battery is provided with a power output line, and the power output line is pluggable with the embedded power input socket on the body of the electric bicycle match. When power supply is required, fix the battery on the motorcycle body, and connect the power output line of the battery to the power input socket on the motorcycle body; when no power supply is required, connect the battery power output line from the power supply on the motorcycle body. Unplug the input jack and remove the battery.

The invention discloses a two-way self-rotating intelligent access control, which includes a bottom plate, a power unit and a rotation unit; the bottom plate: the left and right sides of the middle part of the upper surface are respectively fixedly connected with the lower ends of two support plates, and the upper surfaces of the two support plates are connected with the lower ends of the installation plate. The left and right sides of the middle part of the surface are fixedly connected; power unit: including gears, motors, gear rings, bearings, and revolving doors, the middle parts of the upper and lower surfaces of the revolving door are respectively connected to the middle part of the upper surface of the base plate and the middle part of the lower surface of the mounting plate , the outer ring of the bearing is fixedly connected to the middle part of the upper surface of the mounting plate, and the inner ring of the bearing is fixedly connected to the lower surface of the gear ring, and the motor is arranged on the front side of the upper surface of the mounting plate. , Each pass is limited to a single person, preventing malicious following from happening, and the number of revolutions of the motor has nothing to do with the angle of the revolving door, preventing mechanical wear and causing improper rotation.

The technical problem to be solved by the present invention is to provide a double lock cylinder door lock, which includes a mechanical lock body and an electronically controlled lock body arranged on the door frame. The electronically controlled lock body is connected with an electronically controlled lock body drive module, and the double lock cylinder door lock also includes a fingerprint detection module, a fingerprint cabin, a switch inside the electronically controlled lock body, a control circuit unit, a data storage module, and a key input module , display module. The double lock cylinder door lock can effectively avoid the safety hazard brought by the single protection of the mechanical lock cylinder, and at the same time avoid the long-term exposure of the fingerprint recognition module to be contaminated by impurities to ensure the stability of use and prevent the fingerprint recognition module from being maliciously damaged. In addition, if the fingerprint If the control system is damaged, the user can also use the emergency mechanism to use the set verified mobile terminal to disable the electronic system of the door control system. Only the mechanical lock cylinder is used to ensure emergency use, which is convenient for users in emergency.

The invention discloses a historical data processing method and device, computer equipment and a storage medium, and belongs to the technical field of databases. The method comprises the following steps: when any first device of a single-machine database system meets a data transfer condition, obtaining historical data to be copied from the single-machine database system; Based on the historical data, copying the copy data to a cluster database system; And when the copying is successful, allowing the standalone database system to delete the stored historical data and the meta-information in response to the deletion operation of the database engine. The invention provides a data security strategy for processing historical data. According to the method, when the copy data in the stand-alonedatabase system is successfully copied to the cluster database system, the historical data and the meta-information are allowed to be deleted, so that the storage space of the stand-alone database system is saved, malicious damage to the historical data is avoided, and the security of the historical data is improved.

The invention relates to a motor separation and reunion handle. The motor separation and reunion handle is characterized in that the handle comprises a shell, a rotor, a torsional spring, a separation and reunion block, a first push piece and a motor driving structure, wherein the rotor is rotatably arranged in the shell, and the torsional spring is arranged in the shell and acts on the rotor to reset the rotor; the separation and reunion block is arranged in a concave cavity in the rotor and can rotate relative to the rotor, a square hole is formed in the center of the separation and reunion block, and a first separation and reunion notch which is inwards concave is formed in the periphery of the separation and reunion block; a first driving pin capable of moving in the radial direction is restrained in the rotor, the outer end of the first driving pin is kept at the tendency of being exposed out of the peripheral face of the rotor under the effect of a first spring, and the inner end of the first driving pin is used for being matched with the first separation and reunion notch; the first push piece is restrained in the shell in a slidable mode, and the first push piece can slide to push the first driving pin to move inwards to be inserted into the first separation and reunion notch; and the motor driving structure is arranged in the shell and used for driving the first push piece to slide. The motor separation and reunion handle can idle when a door is not opened and can be combined with a common lock, so that an intelligent lock function is achieved, and the cost of a whole lock for a room door is greatly lowered.

An irregular ground travel vehicle is a vehicle where rear wheels as right and left wheels are independently suspended via right and left lower arms, and an anti-roll bar device is suspended between the right and left lower arms. The right and left rear wheels are driven from an engine side via the chain, and the anti-roll bar device is arranged so as to cross the inside of the ring of the chain.