74results about How to "Improve security protection" patented technology

The embodiment of the invention discloses a network security protection method, a gateway device, a client side and a network system. The method comprises: receiving a user datagram protocol UDP query request message sent from the client side; returning a response message to the client side, wherein, the TC field of the response message presents the byte is truncated; and establishing the TCP connection between the client side and a domain name system DNS server. The embodiment of the invention further provides the corresponding gateway device, the client side and the network system. Due to the technology scheme of the embodiment of the invention, the network security protection is improved.

Methods and apparatus for secure transfer of electronic or optical data. In one exemplary aspect, a method is provided whereby data on a source computer is filtered to exclude all but data that is authorized for transfer, stored in a transport format, marked so that the source of the stored data can be authenticated, and transferred to a transfer device configured to only accept data marked with an acceptable authentication mark. In one embodiment, a control apparatus is provided whereby data can be analyzed to exclude harmful code, a storage apparatus is provided whereby the analyzed data can be stored, an authentication apparatus is provided whereby data so analyzed and stored can be marked to identify the trusted nature of the analyzing apparatus and a receiving apparatus is provided whereby the recipient of the data only accepts data identified as originating from a trusted source.

A processing apparatus capable of improving the degree of security protection without requiring a user to perform any additional operations, the processing apparatus determining whether or not a logged-in user is the same person as a user who pressed input confirmation button to confirm contents of input information by comparing first fingerprint information obtained when the user logged in and second fingerprint information obtained when the input confirmation button was pressed, and carrying out processing based on the contents of the input and confirmed information if the user's identity is confirmed.

The invention provides a monitoring system for a detonator production line. The detonator production line comprises a plurality of workstations; and each workstation corresponds to a working procedure. The monitoring system comprises state sensor groups, secondary PLCs (programmable logic controllers), a main PLC (programmable logic controller) and a monitoring host, wherein the state sensor groups and the secondary PLCs are arranged on the workstations; the state sensor groups are used for detecting production states of production equipment on the workstations and transmit state adjusting signals or alarming signals when detecting abnormal production states; the secondary PLCs are used for transmitting the state adjusting signals or the alarming signals to the main PLC and controlling the production equipment on the corresponding workstations to stop running when receiving stopping commands; the main PLC is used for transmitting the stopping commands to the secondary PLCs when receiving the alarming signals, transmitting the alarming signals to the monitoring host and controlling states of the production equipment on the corresponding workstations according to the state adjusting signals when receiving the state adjusting signals; and the monitoring host is used for storing alarming information containing the alarming signals. By the monitoring system for the detonator production line, production of detonators can be monitored in an informatization and centralized manner.

The embodiment of the invention discloses a modern tramcar operation monitoring system. The monitoring system comprises a driving command system, an intersection control system, a turnout controller,and an active protection unit; the driving command system, the intersection control system, and the turnout controller are separately connected with corresponding public network communication unit, and the public network communication units communicate with each other wirelessly; and the active protection unit is arranged in a cab of a tramcar and used to identify an obstacle of the tramcar, and the distance between the tramcar and the obstacle is measured. The systems of the operation monitoring system are connected with the public network communication units, the communication between the systems is realized in a wireless mode, so that the composition of ground devices is simplified, and the costs of construction and maintenance are reduced; and the obstacle, the state of signal machinesalong the line and the state of turnout are simultaneously identified through the active protection unit, the passing efficiency of the tramcar in the main track turnout area and the level crossing is improved, and the degree of driving safety protection of a driver is improved.

The invention provides a method and a system for achieving providing of network as service, which can both arrange one or a plurality of exchanging centers and router pools on a network side and can arrange business development and management function entities. The exchanging centers are used for providing multi-port accessing and exchanging functions capable of achieving user isolation according to requirements of users. The router pool is composed of one or a plurality of routers and achieves requirements of different user group networks based on user isolation according to business requirements. The business development and management function entities achieve user management and network management functions providing the network as service. The method and the system can provide new business development function, can reduce overall network construction cost and using cost, and even further improve safety protective function. Moreover, the method and the system can support informationized working of enterprises and further reduce internet technology (IT) expenses of the enterprises.

The invention discloses a mobile phone with safety protection function and a safety protection method thereof. The mobile phone is provided with a hide menu in which two modes are provided, so that the mobile phone automatically starts safety protection measures when the mobile phone card is replaced or a third party mobile phone is not contacted according to preset time, namely, the mobile phonetimely and actively sends current mobile phone card information, contacts, call and short message records, base station geographic information and picture information sampled by the camera to the third party mobile phone. The safety protection method presets two strategies corresponding to two modes in the hide menu, which strengthens the safety protection function of the current mobile phone; even if the mobile phone is stolen, mobile phone software can be used for sending back contact information and special short messages in the original mobile phone to the third party mobile phone in the mode of short message or multimedia message so as to store stolen mobile phone information, which brings convenience for police to take the evidence and find the lost mobile phone.

The invention discloses an on-track maintenance supporting device for gear and rack lifting equipment. The on-track maintenance supporting device is characterized by comprising at least one independent safety braking device and at least one maintenance worktable; the at least one independent safety braking device independently realizes reliable braking fixation for the lifting equipment without dependence on a driving system of the lifting equipment and comprises a horizontal electromagnetic drive independent safety braking device; when the at least one maintenance worktable is unfolded to be in a first working state, a worker can stand in a lifting equipment car for checking or maintaining equipment closer to the outer part of the lifting equipment car through a window; when the at least one maintenance worktable is unfolded to be in a second working state, the worker can stand on a working platform for checking or maintaining equipment further from the outer part of the lifting equipment car; and the on-track maintenance supporting device realizes the beneficial effects that the effective space is saved, the working efficiency and the working quality are improved, and the safety protection degree is improved.

The invention discloses a ball screw jacking type automatic anti-flee wheel shelf, which consists of four parts of a driving wheel shelf, a driven wheel shelf, a detector and an electronic control component, wherein the upper part of the driving wheel shelf is connected with a bearing seat, the middle part of a driving shaft is provided with a roller wheel, and the other end of the driving shaft is connected with a driving reducer which is connected with a rotary main motor by a flange assembly; two sides of the upper part of a driven base of the driven wheel shelf are equipped with a fixed seat through bolts, the rear end of a movable seat is connected with a ball screw lifter; a anti-flee motor reducing gear is connected with a ball screw reducer by a coupler; and the detector is provided with a displacement sensor and is fixed on the upper part of a micro-adjust mechanism by a bolt. The invention has the advantages of improved work efficiency, rapid reaction speed, ability of achieving real-time control, reduced equipment volume, energy conservation, reduced loss, long service life, higher reliability and the like.

The invention provides a numerical control (NC) code security filtering system. The NC code security filtering system is characterized in that a transmission numerical control program NC code between a process terminal in a system configuration management network and a DNC (Direct Numerical Control) numerical control system is in an FTP (File Transfer Protocol) communication mode, so that data are filtered by taking an FTP application proxy module as a basic module; the FTP application proxy module is used for receiving the numerical control program NC code in an industrial firewall, and analyzing, filtering and controlling the data; data which are accordant with a rule are allowed to pass, and data which are not accordant with the rule are blocked and recorded in a log. By adopting the numerical control code security filtering system, the security risk of a numerical control machine tool NC code is lowered, and the technical problems that codes are tampered, sensitive information is leaked and the like are solved.

The invention discloses a method and device for controlling the access capability of an illegal manufacturer ONU in a GPON system. The method comprises the following steps that an OLT establishes a characteristic value check list according to the capability feature value of a legal manufacturer ONU; a limitation strategy of the illegal manufacturer ONU is set; whether the ONU is an illegal manufacturer ONU or not is determined by the OLT according to the ONU capability characteristic value reported in the ONU authentication process, if yes, the OLT controls the access capability of the ONU according to the limitation strategy of the illegal manufacturer ONU, and if not, ONU authentication activation is successful, and the access capability is normal and is not limited. By means of the method and device, the safety protection function of the OLT device is greatly improved, and the safety of GPON system running is enhanced.

The invention discloses a programmable logic controller (PLC) expansion device for a displacement sensor. The PLC expansion device comprises a displacement sensor accessing circuit, a register, a processor for detecting whether position information input by the displacement sensor accessing circuit exceeds limit value information stored in the register and outputting alarm information as well as a communication interface, a limit alarm output circuit and a module working power which are connected with a main PLC controller, wherein the displacement sensor accessing circuit and the register are electrically connected with the processor respectively; and the communication interface and the limit alarm output circuit are electrically connected with the processor respectively. The invention discloses a PLC control system for the displacement sensor. According to the PLC expansion device and the PLC control system for the displacement sensor, the safety protection function of the displacement sensor is improved, and the limit working condition of the displacement sensor can be controlled independently; and control over a safety protection output can be supplied, is stable, and is high in efficiency.

The invention discloses a suspension device for electrical equipment supporting and relates to the technical field of electrical equipment. The suspension device comprises a fixed rack. A transverse translation mechanism used for driving a pressing plate to clamp the electrical equipment is arranged on a supporting frame. The fixed rack is provided with a buffer plate located below the supportingframe. A buffering protection mechanism is arranged between the buffer plate and the fixed rack. The vertical height of the supporting frame can be adjusted through a lifting mechanism of the suspension device, so that the flexible and stable adjusting effect of the electrical equipment on the supporting frame is achieved, and the electrical equipment is suspended and fixed at the appropriate height according to the machining requirements. The suspension device is provided with the transverse translation mechanism which can drive the pressing plate to do transverse and stable movement, and stable clamping and limiting of the electrical equipment is ensured. An elastic supporting mechanism arranged on the suspension device can effectively weaken vibration in the vertical direction and improve the stability of the electrical equipment. The buffering protection mechanism can conduct effective buffering, locating and supporting effect on the electrical equipment in case of accidental falling. The safety protection degree of the electrical equipment is greatly improved.

The invention discloses a high-voltage switch cabinet good in heat dissipation effect. The cabinet comprises a cabinet body. The internal portion of the cabinet body is divided into an electric appliance accommodating cavity and a condenser accommodating cavity by arranged partition plates. A condenser is arranged inside the condenser accommodating cavity. A condensing pipe in the electric appliance accommodating cavity is arranged on the condenser. An air bag is arranged inside the condenser. A pressure sensor is arranged inside the air bag. A water level sensor and a water quality monitor are further arranged inside the condenser. A temperature sensor is further arranged inside the electric appliance accommodating cavity. The outer side of the cabinet body is provided with a control device. The upper end of the internal portion of the cabinet body is provided with an electric leakage detection device including a housing, a detector, an amplifying circuit, a mounting frame, an intelligent display device, a holding groove, a positioning screw hole and a wireless router. The lower end of the cabinet body is provided with a damping device in a left-right symmetrical mode. The high-voltage switch cabinet good in heat dissipation effect is simple in structure, convenient to use, capable of giving an electric leakage detection alarm, good in automatic heat dissipation effect and long in service life.

The invention discloses an electrically-controlled stable-clamping manipulator device and a testing method thereof. The electrically-controlled stable-clamping manipulator device comprises a bottom plate, wherein positioning base plates are fixedly connected to the bottoms of the surfaces of two sides of the bottom plate; electric telescopic rods are fixedly connected to four corners of the surface of the top of the bottom plate; a bearing frame is arranged on the top of the surface of the output end of each electric telescopic rod in a sleeving mode; threads are formed in the surface of the output end of each electric telescopic rod; and a positioning screw barrel is arranged on the surface of the threads of each electric telescopic rod in a sleeving mode and located on the top of the corresponding bearing frame. According to the electrically-controlled stable-clamping manipulator device and the testing method thereof, the stability condition of object transportation can be tested, and meanwhile, adjustment can be carried out according to the size of a transported object, so that the effect of carrying the object by a manipulator is better, the problems that the carrying effect ofthe manipulator is poor due to the fact that stability verification treatment cannot be carried out before the manipulator carries heavy or large objects, and the object is prone to falling off in the carrying process are solved, and the electrically-controlled stable-clamping manipulator device and the testing method thereof are worthy of popularization.

The invention discloses an authorization control method and device and a trusted computing terminal. The method comprises the steps of obtaining a hardware code file of a target client, and generatingan authorization certificate file based on the hardware code file, wherein the authorization certificate file is used for instructing the target client to run a trusted protection software, and the trusted protection software is used for conducting active safety protection on the target client; and uploading the authorization certificate file to a trusted management center, wherein the trusted management center is used for sending an authorization certificate file to the target client, and the target client is used for carrying out authorization permission verification when trusted protection software is started or operated after receiving the authorization certificate file. According to the present invention, the technical problem that an effective certificate file cannot be provided for the client to perform the authorization permission verification on the trusted protection software of the client in related technologies, is solved.

The invention provides an edge protection fence and relates to the field of building construction equipment. The protection fence comprises two end upright rod modules, at least one middle upright rod module, multiple cross rods and a blocking foot board. The middle upright rod module comprises an upright rod and two middle connecting pieces, one middle connecting piece is fixed at the upper end of the upright rod while the other one is fixed to the middle of the upright rod, and each middle connecting piece is provided with a through hole; each end upright rod module comprises an upright rod and two end connecting pieces, one end connecting piece is fixed at the upper end of the upright rod while the other one is fixed to the middle of the upright rod, and each end connecting piece is provided with an insertion hole; two sets of cross rods are inserted sequentially and penetrate the through holes correspondingly, and both ends of each cross rod are correspondingly inserted into the insertion holes; the cross rods are fixed with the end connecting pieces; two ends of the blocking foot board are fixedly connected with the lower ends of the upright rods. By the edge protection fence, the technical problem that installation amount and detachment amount of the traditional technology are large, the length of the cross rods is non-universal and the like are solved.

The invention discloses a card base film. The card base film comprises a high polymer material main body, a first surface texture structural layer and a second surface texture structural layer, wherein the high polymer material main body is arranged between the first surface texture structural layer and the second surface texture structural layer. The card base film disclosed by the invention has the advantages as follows: the structure of the card base film is optimized, so that the card base film has the advantages of excellent temperature resistance, impact resistance, printing property, molding property and environment friendliness; a machining process is simplified; the production efficiency is increased; the production environment is improved; and a better safety protective function is obtained.

The invention discloses a safety protection window structure for a high-speed machine tool. The safety protection window structure includes a protection window steel plate (1) and a protection windowformed in the protection window steel plate (1). The protection window is provided with a protection window rib plate (2), a protection window outer protective film (3), a protection window main plate(4) and a protection window inner plate (5) in sequence from exterior to interior. The safety protection window structure is suitable for the protection window of the high-speed machine tool with theline speed of 100-200 m / s, and mainly aims at selection of protection window materials and structures, a protection window main body is composed of three layers of structures of the rapid replaceableinner plate, the impact-resistant main plate and the high permeable hydrophobic outer film, high-speed impact of bullet-like speed can be resisted, safety protection for personnel is achieved, when cutting fluid erosion friction is serious, an internal structure can be exchanged quickly, and the outer film prevents the window from being scraped by external materials, thus the security of the protection window is ensured, and the service life of the protection window is prolonged.

The invention discloses a cabin structure for amusement equipment. The cabin structure comprises a seat, an annular gear, a pressing rod and a side protection plate, the side protection plate is fixedto the side end of the seat, a rotating shaft is arranged in the seat, the annular gear is installed at the annular outer end of the rotating shaft, the pressing rod is installed at the left end of the rotating shaft, and a cover plate is arranged at the inner end of the pressing rod. The pressing rod is installed at the outer end of the side protection plate, a driving cylinder is fixed to the right end of the seat, a rack is installed at the upper end of the driving cylinder, the left end of the rack is meshed with the annular gear, a containing cavity is formed in the upper end of the sideprotection plate, a first sponge pad is pasted to the inner wall of the containing cavity, a cover plate is embedded into the upper end of the containing cavity, and a second sponge pad is pasted tothe lower end of the cover plate. And the second sponge pad is mounted in the first sponge pad. The design increases the storage function, and the cabin structure is reasonable in structure, increasesthe functionality, and is good in safety protection effect.

The invention discloses an internal circulation type air drying device for safety protection of electronic equipment. The air drying device comprises a bottom installation substrate and a main hollowinstallation plate. The air drying device is mounted in the bottom of an installation cabinet of the power equipment to play preliminary support and height adjustment roles, and can be driven by a power supply to carry out circulating drying on the internal air, and an air flow principle is used to reduce influence of moisture air on electronic components and improve the safety protection function. The device includes an annular array type rotation state speedup multi-differentiation mechanism, one device can include multiple belts, the rotation speed is improved and the efficiency is improved. The device includes a pipeline sealing installation type part joint mechanism in a threaded structure, and internal plugging type sealed installation with outside pipeline holes can be realized. Furthermore, the device includes a solid particle drying agent type flow air drying mechanism, so that flowing air can be dried and replaced.

The invention belongs to the technical field of power boxes, particularly relates to a high-voltage power engineering power box with a protection function, and aims to solve the problems that in the use process of an existing high-voltage power engineering power box, in order to improve the heat dissipation performance of the high-voltage power engineering power box, heat dissipation equipment is additionally arranged in the high-voltage power engineering power box, but many potential safety hazards still exist in the use process of the power box. A high-altitude falling object or other objects collide with the top of a power box, the power box is easily damaged, potential safety hazards exist in the operation process of power equipment in the power box, and therefore protection equipment needs to be added to the power box, the following scheme is proposed, and the power box comprises a fixing base and a power box body. According to the power box, the adjusting plate, the mounting plate and the mounting bolts are arranged, the heat dissipation assembly of the power box body is mounted on the adjusting plate, and when the heat dissipation assembly needs to be maintained and cleaned, the adjusting plate can be put down, so that the convenience of maintaining and cleaning the heat dissipation assembly is improved, and the use value of the power box body is improved.

The invention discloses a multifunctional dust collection device for a concrete mixing plant and a bin, and the device comprises a powder storage bin, a conveying device comprising a powder conveying pipeline, a dust collection pipeline, a dust remover, a pressure relief valve and a powder collection bin, wherein the dust collection pipeline is connected to the dust remover via the powder storage bin, the pressure relief valve is arranged on the top of the powder collection bin, and the powder collection bin is arranged on support legs; the lower outlet of the powder collection bin is connected to the conveying device; a weighing sensor is installed on the powder collection bin, the weighing sensor is arranged on the lower parts of the support legs of the powder collection bin or located on the upper parts of the support legs of the powder collection bin, and a level gauge is arranged on the powder collection bin. The multifunctional dust collection device disclosed by the invention has the beneficial effect that the collected powder is conveyed to the conveying device from the lower outlet of the powder collection bin via an automatic valve or a manual valve, and transported to the occasions needing to use the powder. The multifunctional dust collection device by the invention is convenient to install and convey the powder after dust removal, overcomes the defects in the prior art, and can be used for completely automatically sucking and transport the recovered powder.

The invention discloses a cutting machine which comprises a base as well as a fixing block and a handle device which are mounted on the base, wherein one side of the fixing block is connected to the tail end of a supporting block; an arc connecting rod is arranged at the top end of the supporting block; a saw blade assembly is fixed to the connecting rod; the saw blade assembly comprises a first protection cover, a second protection cover and a grinding wheel blade; the grinding wheel blade is configured in the second protection cover; the first protection cover is sleeved outside the second protection sleeve; a drive device connected to the grinding wheel blade is mounted on one side of the first protection cover. The cutting machine is compact in structure, convenient to operate, high in safety performance and convenient to carry, and has wide market prospects.

The embodiment of the invention provides an access detection method applied to a first terminal, and the method comprises the steps: reporting malicious network information to a cloud, and enabling the cloud to transmit the malicious network information to all terminals connected with the cloud; receiving malicious network information issued by the cloud, and updating the local blacklist and / or white list of each terminal according to the malicious network information to obtain an updating result; and acquiring an access request, and detecting network information corresponding to the access request based on the updating result. The embodiment of the invention further provides an access detection device, electronic equipment and a computer storage medium.

The invention discloses an intelligent anti-theft transformer which comprises a shell, the inner wall, close to the bottom, of the shell is fixedly connected with a placement frame, the placement frame is provided with a locking mechanism used for fixing a transformer body, the top of the shell is rotationally provided with a mounting shaft, and the bottom end of the mounting shaft is provided with a safety locking mechanism. The mounting shaft is sleeved with a gear meshing mechanism used for driving the locking mechanism to move, a top cover is arranged at the top of the shell, and a transmission mechanism used for rotation of the mounting shaft is arranged on one side of the top cover. Through linkage arrangement of the structures, a worker can conveniently and quickly disassemble and assemble the device, so that the maintenance process is greatly facilitated, and meanwhile, the safety performance of the device is greatly improved.

The invention discloses a handmade natural detergent. The handmade natural detergent is prepared by means of the following steps: (1) removing some of white parts in fresh shaddock peels, and cutting the fresh shaddock peels into strips which are 2-3cm wide; (2) putting the strip-shaped fresh shaddock peels into a glass container, and adding cold boiled water to make the cold boiled water at least immerse the shaddock peels; (3) adding an appropriate amount of dietary alkali, uniformly stirring, and covering the glass container with a lid to perform sealed storage for 3-7 days, wherein the content of the dietary alkali is 1 percent of the cold boiled water approximately; (4) when the shaddock peels are faded in color to be almost the same as extraction liquid after 3-7 days, uncovering the glass container, and detecting the PH value of the extraction liquid by using a PH test strip until the PH value is about 8; (5) filtering the extraction liquid by using a filter screen, and injecting the extraction liquid into a detergent bottle; (6) adding tea tree essential oil into the detergent bottle for use, wherein the content of the tea tree essential oil is 0.5 percent of the extraction liquid approximately. The handmade natural detergent has the advantages of safety, environmental friendliness and low cost, people enjoy DIY and the joy of success, and meanwhile, the detergent which makes people feel relieved to use is obtained.