108results about How to "Realize multiple protection" patented technology

The invention discloses an SO file protection method and device and an android installation package reinforcement method and system. The SO file protection method includes the steps of writing a to-be-protected SO file in a shell procedure file as code data, and protecting the SO file in the shell procedure. According to the technical scheme, by adding a shell to the SO file and protecting the SO file, the multiple protection is achieved for the SO file, an important code of an android installation package is further stored in the SO file, the reinforcement protection is achieved for the android installation package with the protected SO file as a protection object, malicious programs can be effectively prevented from conducting disassembling analysis on the SO file, the security level of the content of the SO file is improved, and the safety level of the android installation package is improved.

The invention provides an anti-lost method, a server and terminal equipment. The anti-lost method is applied to the server. The server is communicated with the terminal equipment. The terminal equipment includes main equipment and auxiliary equipment. The main equipment is wirelessly communicated with the auxiliary equipment. The anti-lost method includes the steps: when an alarm signal of the main equipment is obtained, acquiring the characteristic information of a second user of the auxiliary equipment; acquiring the position when the main equipment alarms; according to the current position, determining the target monitoring area; by means of a camera device which is communicated with the server, acquiring the image information in the target monitoring area; and according to the image information in the target monitoring area and the characteristic information of the second user, searching the second user and determining the positional information of the second user. The anti-lost method can realize multiple protection of a person under guardianship in the monitoring area, can effectively prevent loss of the person under guardianship, and can improve the safety.

The invention discloses a solar light chasing device. The solar light chasing device comprises a supporting base and a solar panel fixing frame, wherein the solar light chasing device also comprises an azimuth adjustment device and an elevation angle adjustment device; the azimuth adjustment device is supported on the supporting base; the elevation angle adjustment device is supported on an output shaft of the azimuth adjustment device through a bracket; an output end of the elevation angle adjustment device is hinged to the solar panel fixing frame to drive a solar panel to realize elevation angle swinging; an encoder used for detecting angle change is arranged on an output shaft of the azimuth adjustment device; an encoder for detecting the angle change is arranged on a rotating shaft of the solar panel fixing frame or a hinge shaft which is hinged to the azimuth adjustment device. According to the solar light chasing device, an elevation angle drive device and an azimuth drive device are arranged, so that the position of the solar panel can be adjusted according to an incidence angle of solar rays; therefore, solar energy can be fully absorbed, the absorption rate is improved, and the application of solar heat is improved.

The invention relates to a safety industrial control system based on a safety intelligent controller. The system is composed of a PLC controller, an input and output module and an upper computer. ThePLC controller is the core of the whole system. An independently researched and developed industrial chip is adopted, and a security firewall and a security encryption system are arranged in the industrial chip. Safety protection is realized on an infected main body. An input and output module and an upper computer are matched to form a set of pure industrial control system with safety protection.A safety protection system is arranged in each link of the upper computer, the PLC and the input and output module, multiple protection is achieved, major accidents such as misoperation can be avoided even if one link is attacked, the other two links can be comprehensively verified and judged, fault processing is carried out, and safety measures are immediately taken to prevent accident expansion.

The invention discloses a collet used for a splice, comprising a cylindrical body provided with an optical fiber line hole, one end of the cylindrical body is provided with at least two locking heads divided by a lock groove, while the other end is provided with at least one spatula, the upper end face of the body of the spatula is an arch surface which can be extended by pressure, and the arch surface is higher than the external surface of the cylindrical body. Compared with the prior art, the collet has at least one spatula arranged on the front end of the cylindrical body, the upper end face of the body of the spatula is the arch surface which can be extended by the pressure, and the arch surface is higher than the external surface of the cylindrical body. When installed, an optical fiber line passes through the optical fiber line hole; an ejector sleeve of an optical-fiber junction group is pushed, when the ejector sleeve is pushed to the position of the spatula, the back arch surface of the spatula is pressed down; as the spatula head of the spatula is closely attached to the surface of the optical fiber line, and the arch surface of the body of the spatula is pressed to extend, so that the optical fiber line is pushed forward automatically, thereby guaranteeing the joint of fiber surfaces is powerful and reliable.

The invention discloses a novel shock absorption self-resetting energy-consuming inhaul cable supporting device, and belongs to the technical field of shock absorption equipment. The novel shock absorption self-resetting energy-consuming inhaul cable supporting device is composed of a resetting mechanism, resetting energy-consuming mechanisms, force-limiting energy-consuming mechanisms, high-strength steel cables and bases. The resetting mechanism is arranged between the two bases, and the resetting energy-consuming mechanisms are arranged on both sides of the resetting mechanism. The force-limiting energy-consuming mechanisms are arranged on the outer sides of the resetting energy-consuming mechanisms in a connecting mode, and the high-strength steel cables are arranged on the outer sidesof the force-limiting energy-consuming mechanisms in a connecting mode. According to the novel shock absorption self-resetting energy-consuming inhaul cable supporting device, the self-resetting ability of the supporting is improved, the selection range of a pre-stressed reset bar material is widened, the increase of the supporting internal force under the action of exceeding the fortification intensity earthquake is effectively suppressed, the energy-consuming ability is improved, so that main structural elements, such as beams and columns, are strengthened, the insufficiency that an existing reset reinforcement material-fiber reinforced composite material can not bend at a pulley position is overcome, the utilization ratio of the self-reset mechanism is improved, and the economic cost is reduced.

The invention discloses a high-altitude work safety protection device, and belongs to the technical field of electric power network tower operation safety protection equipment. The device comprises two shoulder straps, a waistband and leg straps, wherein the shoulder straps and the leg straps are connected with the waistband correspondingly, and the shoulder straps are connected through a back protecting part which is in contact with the back of an operator and through a chest protecting part which is in contact with the chest of the operator; the high-altitude work safety protection device further comprises an anti-falling rope, an instant self-locking device and a first protection rope, wherein the anti-falling rope, the instant self-locking device and the first protection rope are usedfor fixing the top of the anti-falling rope, the top of the instant self-locking device and the top of the first protection rope on the top end of tower, the back protecting part is connected with theinstant self-locking device through the first protection rope, and the instant self-locking device is connected with the anti-falling rope; and the chest protecting part is provided with a second protection rope which a first lock catch is arranged at the end part, and the first lock catch is connected with the chest protecting part in a hanging mode; and a plurality of third protecting ropes used for being connected with the tower in a hanging mode are connected to the waistband. According to the device, the technical problems of single protection measure and poor safety of the protection device in the prior art can be solved, the technical effects of a plurality of protection measures to perform protecting and more safety can be realized.

The invention relates to the technical field of aerospace engineering ground test equipment, in particular to a three-dimensional motion gravity compensation system for a space manipulator. The system comprises a compensated mechanical arm, a follow-up mechanism, a support and a hanging spring suspension system, the compensated mechanical arm is arranged at the bottom of the support, and the follow-up mechanism is arranged at the top of the support and connected with the compensated mechanical arm through the hanging spring suspension system; the compensated mechanical arm and the follow-up mechanism are the same in structure, and three-dimensional motion gravity compensation of the compensated mechanical arm is achieved by synchronously controlling motion of the compensated mechanical arm and the follow-up mechanism. Multi-axis and three-dimensional motion gravity compensation is carried out on the compensated mechanical arm, and the purpose of simulating the space microgravity working state on the ground is achieved.

The invention relates to the technical field of power distribution cabinets, and particularly discloses a high-voltage power distribution cabinet with multiple protection effects. The high-voltage power distribution cabinet comprises a cabinet body and a door plate, and is characterized in that the door plate is rotatably connected to the front side of the cabinet body, a heat dissipation fan is mounted at one side, close to the interior of the cabinet body, of the door plate, and a heat dissipation window is formed at the rear side of the cabinet body; an opening and closing mechanism is arranged at the rear side of the cabinet body and located on the heat dissipation window, a conical cover plate is fixed to the upper portion of the cabinet body through a second supporting column, and acover sealing mechanism is arranged at the upper end of the cabinet body; an installation plate is fixed to the inner side of the conical cover plate, a fire extinguishing mechanism is arranged between the installation plate and the interior of the cabinet body, and a power mounting rack is arranged in the cabinet body. Through the mutual cooperation of the heat dissipation fan, the cover sealingmechanism, the opening and closing mechanism, the fire extinguishing mechanism, the conical cover plate, the shock absorber and the heat dissipation window, the rapid heat dissipation, rapid fire extinguishing and shock absorption in the cabinet body are realized, and multiple protection of power device in the power distribution cabinet is realized.

The invention discloses an intelligent GSM (Global System for Mobile Communications) multimedia message alarm which comprises an alarm host and a remote controller. The intelligent GSM multimedia message alarm is characterized by also comprising a wireless detector, wherein the alarm host comprises a wireless receiving module, a GSM module, a control module, a camera, an SD (Secure Digital) memory card, a power module and a human body sensing probe; both the wireless detector and the remote controller comprise wireless transmitting modules, and the wireless transmitting modules are connected with the wireless receiving module in a wireless network transmission mode; and the wireless receiving module is connected with the control module via the GSM module, the control module is respectively connected with the human body sensing probe and the camera, the camera is connected with the SD memory card, and the power module supplies power to each module device. In the invention, the wireless detector, video monitoring and wireless communication are perfectly combined, camera shooting, memory, monitoring, sensing and alarming are integrated, moving targets are actively monitored, the situation of the site is informed to the owner as soon as possible, and the occurrence and expansion of loss are stopped in time.

The invention relates to a novel pressured leakage stopping method for GIS equipment. The method comprises steps that a cleaning kit is utilized to clean a surface near a leakage portion of the GIS equipment; a special leakage stopping device is utilized at the leakage portion, a locking base is disposed at a leakage point, the leakage point is disposed in an air vent of the locking base, then, the locking base is bonded to a surface of the leakage point of the GIS equipment by utilizing leakage stopping glue, after the leakage stopping portion is pressed for 5-6 minutes, after the leakage stopping glue is initially cured, the locking base is fixed with structural glue; after the structural glue is fixed, a locking buckle equipped with a sealing member is fastened to the locking base; a layer of structural glue is applied on surfaces and periphery of the locking buckle, the locking base and the sealing member to structurally reinforce the leakage stopping portion; according to the shape of the leakage stopping portion, the sealing glue is coated on a surface of the leakage stopping portion for appearance beautifying. The method is advantaged in that the method has properties of wide application scope and high success rate, and secondary leakage is effectively prevented.

The invention discloses an encapsulating method of a high-strength chip, which mainly comprises the following steps: a) mounting and connecting a base plate, b) mounting and connecting a chip, c) detecting the performance, d) pouring a sealing layer, e) plating a metal layer, f) spraying and coating a heat dissipation layer, and g) detecting a finished product. The invention has the beneficial effects that with the adoption of the encapsulating method of the high-strength chip, the working procedures are reasonable to arrange and are easy to implement; an encapsulating body outside the chip is prepared by a plurality of working procedures in the encapsulating process to form a multi-layered encapsulating structure, thereby realizing the multiple protection to the chip and effectively improving the strength and the toughness of the encapsulating structure; and meanwhile, the good heat radiation performance of the encapsulating structure is also ensured, so that the service performance of the chip is more excellent.