55results about How to "Will not affect access" patented technology

The invention relates to a catering service platform system based on a cloud computing platform and a working method thereof. The catering service platform system based on the cloud computing platform comprises a cloud computing platform, a Web server, a foreground client logging-in system and a kitchen management system, wherein the Web server is used for storing the relevant catering Web information of a merchant, a database server, a buffer memory server and a search server are connected with the Web server, the Web server and a Web backup server are connected, and the Web server and a database backup server are connected; the foreground client logging-in system is used for receiving the dish ordering information of customers registered by the cloud computing platform; after the condition that the customers arrive at a restaurant is verified, dishes in the dish ordering information are correspondingly modified, and the dishes are confirmed after the mixture ratio of relevant flavorings is regulated according to the tastes of the customers; and the kitchen management system is used for receiving the information of the dishes after being confirmed by the customers and also arranging an optimal dish output sequence to inform a kitchen of disposing cooking according to the variety of the dishes in the all dish ordering information of the customers. According to the system, the workload of waiters is saved, the operating cost of a restaurant is lowered, and the dining interestingness of customers is enhanced.

The invention discloses an intelligent split-brain prevention system and method for storage gateways. The system comprises an application service layer, a network link layer, a storage management layer and a storage equipment layer; the application service layer is a client application system server and provided with various application systems and database software; the network link layer comprises an IP network and an FC optical fiber network; the storage management layer comprises two storage gateways which serve as nodes, when one node fails, the other node can work normally, an arbitrator is configured between the two storage gateways, and when one node fails, the arbitrator arbitrates and judges the states of the nodes to judge out the failed node; and the storage equipment layer comprises at least two storage arrays. Compared with the prior art, the intelligent split-brain prevention system and method for the storage gateways have the advantages that a three-stage split-brain judgment mechanism is proposed, the Active state and the Inactive state of the nodes can be effectively judged in a high-availability data protection scheme, and then the Primary node is determined to prevent the split-brain phenomenon.

The utility model discloses a flow control method based on business priority and the system, comprising a parametering procedure and a load control procedure. The parametering procedure is used for configuring the total business flow of all accessed systems in a business flow cycle, business weight and priority of each business, and the corresponding business low rate of each priority of the control system. The load control procedure judges that whether the total business flow of all accessed businesses in the business flow cycle is smaller than the total system business flow when a business requests accessing, and if yes, the business weight, the priority and the corresponding business low rate of the priority are captured and the business flow is controlled according to the parameters. The utility model has the advantages that guaranteeing effectively the load/flow control performance, avoiding the influence of the burst business to the system, having no influence in accessing high priority business while low priority business increasing suddenly.

The invention provides an automobile fire extinguisher accommodating case comprising a rack, a wear-resistant plate, a damping plate, a bandage, a front plate and a base plate. The rack is formed by a left side plate, a right side plate, a back plate and a strong magnetic bar; the front ends of the left side plate and the right side plate are fixed to the back end surfaces of the front plate; the back ends of the left side plate and the right side plate are fixed to the front end surface of the back plate; the strong magnetic bar and the back plate are installed together; and the front ends of the left side plate, the right side plate, the back plate and the front plate are respectively fixed to the upper end surface of the base plate. The automobile fire extinguisher accommodating case possesses rational and compact structure and is convenient to use; the extrusion deformation and wear to the fire extinguisher due to automobile body shakes can be prevented by the use of the wear-resistant plate, the damping plate and the inclined placing method; screw fastening is avoided, so damages to the automobile interior can be prevented; the fire extinguisher can be simply installed and conveniently used; and protection to the fire extinguisher can be enhanced.

The invention discloses a method of harmonizing the MIB versions between the SNMP management station and agent, including the steps: establishing a MIB as to MIB, namely MIB-MIB, establishing a corresponding MIB-MIB list in the agent to record each MIB name supported by the agent and corresponding version number; before SNMP network management station accesses some member device to get its MIB information, according to the MIB name, searching the MIB-MIB list of its device agent to get corresponding MIB version number; the SNMP network management station makes corresponding management operation according to the MIB version number of the member above mentioned. It effectively promotes the development and application of SNMP network management technique. If the system need set new member devices, even if their MIB version numbers are different from those of the other devices, it has no effect on the access of the management station to them. It does not depend on other auxiliary means but SNMP.

The invention provides a high-availability application program architecture and a construction method. Application programs and at least two servers located in a same network segment are included. Theapplication programs are deployed to the tomcat of the at least two servers. The session shared file package of the application program is configured under the lib catalogue of the tomcat. The two servers co-construct a redis cluster environment. Through a redis cluster, session sharing between the two application programs is realized. Each server is provided with nginx and main/standby keepalived. Each nginx configures the load balancing of the application programs. Each keepalived provides the virtual IP of the same network segment to the outside world. In the scheme, the high availabilityand the high disaster recovery of the application programs can be guaranteed, the stability of the application programs is increased, the experience degree of a user is improved, losses caused by application program downtime are reduced, a session sharing problem among the plurality of applications is solved, and a coupling degree between the application programs and a high availability architecture is reduced.

The invention discloses a universal ETL method suitable for various destination table update modes. The method not only overcome the shortcomings of high cost, low speed, high fault rate and high implementation workload of ETL tool software, but also solves the problems that an existing database script is non-universal and cannot realize various table update modes. According to the method, four database objects, i.e., an ETL task table used for recording various ETL tasks in a data warehouse, an ETL log table used for recording logs generated in operation of an ETL storage process, a storage process module used for executing an ETL task in an operation, and an index and remark information storage process sub-module used for copying an index and a remark of a destination table to a shadow table during the executing process of the storage process module, are set, a sequence of the objects is adjusted, and necessary programs of database connection, operation and the like are set, so that the ETL process of extracting source table data, converting the data and finally storing the data to the target data warehouse is finished.

The invention provides a method, a system and a device for data access based on a CDN network. The method comprises the following steps: a proxy CDN node receives a first data access message of a client; the proxy CDN node generates a plurality of second data access messages according to the first data access message; the proxy CDN node sends the second data access messages to a source station through a plurality of paths; and the proxy CDN node forwards a first-returned response message in the plurality of paths to the client. According to the proxy CDN node in the embodiment of the invention, the plurality of paths selected by the proxy CDN node enable the proxy CDN node to receive the first-returned response message and send the first-returned response message to the client. Therefore, even if one path is blocked, access of the client is not affected, thus improving the access speed of the client.

The embodiment of the invention provides a data migration method and device, an electronic device and a readable storage medium. The method comprises the steps that current target non-transaction tables to be migrated are obtained from non-transaction tables included in a source database, read locks are added for the target non-transaction tables, the target non-transaction tables are migrated toa target database, the read locks of the target non-transaction tables are released, first log records corresponding to the target non-transaction tables are obtained after migration of the target non-transaction tables is completed, and modification operation is conducted on the target non-transaction tables in the target database according to the first log records. By applying the embodiment, the read locks are added only for the current target non-transaction tables to be migrated and are released after the migration of the target non-transaction tables is completed, and the phenomenon canbe avoided that source databases are not available for a long time.

The invention relates to the field of bulletproof equipment and discloses a bulletproof plate with a high-strength polyurethane/metal structure. The bulletproof plate comprises a metal bulletproof layer and a coating layer, wherein the coating layer coats the outside of the metal bulletproof layer, a lap joint agent is arranged between the metal bulletproof layer and the coating layer, and the coating layer is different in thickness on different surfaces of the metal bulletproof layer. different surfaces of the metal bulletproof layer are sprayed with polyurethane materials different in thickness so as to adapt to meet the requirements of reinforcement, toughening and buffering; shot bullets are well defensed, meanwhile the transient deformation caused by the kinetic energy of the shot bullets is buffered by utilizing the properties of the polyurethane, and the body tissues and bones of a wearer are protected against injury.

The invention relates to quenching equipment for large rings. The quenching equipment comprises a quenching tank, a mixer, a temperature monitor, a slag collector and a cooling circulating system and is characterized in that a lifting quenching platform is arranged in the quenching tank body, lifting mechanisms used for lifting the quenching platform are arranged at the outer sides of four corners of the quenching tank body, the lifting mechanisms are connected with the quenching platform via connecting pieces, and a plurality of pump-type circulating mixers are arranged at the outer sides of the peripheral tops of the quenching tank body. The quenching equipment has the advantages of saving energy, greatly reducing the quenching processing cost, and improving the mixing quality of quenching liquid; and the lifting quenching platform arranged in the quenching tank body is utilized to replace a traveling hoist to operate, the heated workpieces can be placed on the quenching platform for quenching treatment. Therefore, the utilization ratio of the travelling hoist and the operation efficiency of a heating furnace can be improved, great amount of energy can be saved, the time for operation of the traveling hoist can be shortened, and other operations are not affected by the traveling hoist.

The invention relates to the field of bulletproof equipment, and discloses an armor of a high-strength polyurethane/ceramic structure. The armor comprises a ceramic bulletproof layer and a coating layer, wherein the coating layer coats the ceramic bulletproof layer; a lap joint agent is arranged between the ceramic bulletproof layer and the coating layer; and the thickness of the coating layer ondifferent surfaces of the ceramic bulletproof layer is different. According to the armor, a polyurethane material of different thicknesses is sprayed on different surfaces of the ceramic bulletproof layer, strengthening, toughening and buffering requirements are met, the armor well resists shooting of bullets, instantaneous deformation generated by bullet shooting kinetic energy is buffered by virtue of performance of polyurethane, and body tissues and skeletons of a wearer are prevented from being damaged.

The invention relates to a pressure induction device of a hydraulic prop, and belongs to the technical field of single hydraulic props. The pressure induction device is composed of a prop body, a general control device and a top cover device. The top cover device is installed at one end of the prop body, the general control device is fixedly installed on the prop body, and the general control device is composed of a first outer shell, a second outer shell, a protective cover, a first through hole, a second through hole, a third through hole, a display screen, a first key, a second key and a control center; the top cover device is composed of pressure sensors, a protective shell, a receiver and a transmitter, at least two pressure sensors are installed on the surface of the protective shell, and the pressure sensors are connected with the receiver through electric wires; and the receiver is connected with the transmitter through an electric wire, and the receiver and the transmitter are fixed in the protective shell. The situation that the hydraulic prop cannot be in contact with a tunnel cannot happen, the service life of the hydraulic prop cannot be influenced, and the life safety of workers is guaranteed; and the production expenses cannot be increased, and the usable area of the tunnel cannot be influenced.

The invention discloses a carriage positioning method and device. The method comprises the following steps: S1, scanning the side surface of the carriage through the horizontal rotation of the sensorat the scanning origin, and obtaining at least two scanning points on the side surface, the distance between at least two scanning points, and the corresponding scanning angle, wherein at least one ofthe scanning points is an end point; S2, determining the coordinates of the end point and the deflection angle of the carriage according to the distance and angle calculation; S3, according to the preset vehicle model data, the coordinates of the end point and the deflection angle, determining the position of the carriage. The positioning device has the advantages of being high in positioning precision, high in positioning speed, and low in cost.

The application discloses a resource data update method and set top box equipment, and relates to the technical field of the data update. The method comprises the following steps: querying the first linked list information to which the resource data belongs when the set top box (STB) equipment receives an update notification message of the resource data; creating the second linked list informationsame as the first linked list information format; distributing a new memory space according to the second linked list information, thereby receiving the updated data of the resource data through thenew memory space; replacing the starting address corresponding to the first linked list information in a database with the starting address corresponding to the second linked list information. By using the scheme disclosed by the application, the fast seamless switching can be realized in resource data update, the user is almost free from any influence on the visual perception.

The invention discloses a safety electromagnetic door lock with high safety coefficients based on internet control, and relates to the technical field of door locks. The safety electromagnetic door lock with the high safety coefficients based on the Internet control comprises a shell, wherein emergency power supply is fixedly connected to the upper right corner of the inner wall of the shell, a control assembly is fixedly connected to the upper left corner of the inner wall of the shell, and a mechanical lock is fixedly connected to the middle of the inner wall of the shell. The safety electromagnetic door lock with the high safety coefficients based on internet control can control the opening and closing of the door lock in an electric mode through the cooperation of an electromagnet anda permanent magnet, the door lock is automatically opened after identity verification is passed, matched with an ejection device on a door, the door is automatically opened, and the mechanical lock isarranged to manually take out a key in case of system power failure, network disconnection or other emergency situations. The two modes are used in combination, use is facilitated, and the key takingis not affected. In addition, the cooperation of a spring, a steel ball and a limiting groove can slightly limit an electromagnetic door bolt, and prevent the electromagnetic door bolt from sliding and being opened at will, so that the safety of the key is ensured.

The invention relates to the field of bulletproof equipment and discloses a bulletproof plate of a high strength polyurethane/fiber/ceramic structure. The bulletproof plate comprises an inner layer and a coating layer. The inner layer comprises a ceramic bulletproof plate (1) and a fiber cloth laminated plate (2). The coating layer coats the outer side of the inner layer. Polyurethane coating layers (4) of different thicknesses are coated to different surfaces of a fiber cloth coating layer (3). Human tissues and bones of a wearer are prevented from being damaged effectively. The adjacent bulletproof plates fit tightly, so that local weakness caused by gaps among the bulletproof plates is prevented effectively. The polyurethane material coated to the outer surface resists atrocious weatherand environments effectively, so that the service performance of the buffet plate is improved.

The invention relates to a spherical graphite turbine grader which comprises a grader cylinder body, a grading wheel is arranged in the grader cylinder body and comprises two flange plates and a plurality of blades, the grader cylinder body is provided with a push rod, and a driving plate is hinged to the position, corresponding to the position between every two adjacent blades, of each flange plate. A magnetic attraction part is arranged at the position, corresponding to each driving plate, of each flange plate, a sliding groove is formed in the position, corresponding to each driving plate, of each flange plate, a sliding rod is slidably arranged in the position, corresponding to each sliding groove, of each flange plate, a sliding ring groove is formed in each flange plate, each sliding rod comprises a sliding rod and a rotating rod, and the driving plates and the sliding rods are jointly connected with a pull rope. And the two corresponding rotating rods are jointly connected with a stirring line, the stirring line can pull the two rotating rods to rotate to the horizontal state when the rotating rods move downwards along with the sliding rods till the rotating rods fall into the sliding grooves and stretch out of the sliding ring grooves, and the effects that coarse materials in the feeding seam are treated, and it is guaranteed that the coarse materials cannot be accumulated in the feeding seam are achieved.

The invention discloses a method of high efficiently managing the member by an SNMP network managing station. The method comprises steps: a version sign is set for a MIB (Management Information Base) in a proxy of the member, before the SNMP network managing station accesses equipment of a certain member to obtain the MIB information, according to the name of the MIB, the version sign for the MIB in the proxy of the member equipment is queried to obtain the corresponding version number for the MIB, the SNMP network managing station carries out corresponding management operation according to the version number of the MIB supported by the proxy of the member equipment, and the MIB version sign is a part of the MIB. Certain problems of limiting updating of the MIB, the management station and the proxy of the SNMP can be solved completely, the development and the application of the network management technology are promoted effectively, being accessed by the management station is not influenced, the new equipment can be managed only through updating the management station correspondingly, the method of the invention does not rely on other supplementary means except the SNMP, the operation is simple, and functions are good.

The invention discloses a dust suppression type material guide mechanism for building mortar processing. The dust suppression type material guide mechanism for building mortar processing is integrally installed on a support and located above sealed stirring equipment. The dust suppression type material guide mechanism comprises a shell, a guide roller piece, hydraulic assemblies, a bag breaking cone and an isolation plate assembly. A feeding pipe and a waste discharging pipe are fixedly connected to the left side and the right side of the shell in a penetrating mode correspondingly; the guide roller piece is installed in the shell and located between the two ends of the feeding pipe and the two ends of the waste discharging pipe; the hydraulic assemblies are fixed to the outer walls of the two sides of the shell, and fixing frames are fixedly installed at the output shaft ends of the hydraulic assemblies; the bag breaking cone is fixed at the output shaft end of a motor; and a rotating shaft are arranged in the through connection part of the shell and the feeding pipe and the waste discharging pipe. According to the dust suppression type material guide mechanism for building mortar processing, mechanical bagged cement feeding, bag breaking material guiding, waste discharging and other operations are achieved, manual labor consumption is reduced, flying dust pollution in the operation process is effectively reduced, and working safety is improved.

The embodiment of the invention provides a multi-user data sharing method and system, electronic equipment and a storage medium, the system comprises N upper-layer file systems, the ith user has read-write authority to the ith upper-layer file system, 1 < = N, 1 < = i < = N; a lower-layer file system, wherein each user has a read-only permission to the lower-layer file system; the i-th upper-layer file system and the i-th lower-layer file system corresponding to the i-th user are mounted on the i-th combined mounting file system; wherein if a data reading instruction is received, preferentially accessing the ith upper-layer file system; and if a data writing instruction corresponding to the lower-layer file system is received, storing data corresponding to the data writing instruction in the ith upper-layer file system. In the embodiment of the invention, the same copy does not need to be copied in the storage space of each user, so that the storage space of the user is saved, and the access of other users to the shared data is not influenced.

The invention belongs to the field of channel desilting, and relates to a wharf desilting device which comprises a riverbed. A wharf is fixedly arranged at the upper side of the riverbed, a groove is formed in the front side of the wharf, and a rack seat is fixedly arranged at the rear side of the groove; a first sliding groove is formed in the upper side of the groove, and a second sliding groove is formed in the lower side of the groove. According to the present invention, the sludge accumulated on the riverbed can be stirred through the desilting device, so that the desilting device can smoothly extract the sludge on the riverbed, the situation that the sludge cannot be extracted due to accumulation is avoided, the desilting range of the desilting device can be enlarged under the assistance of a moving device, the effect of increasing the dredging area without additionally arranging the dredging device is achieved, the cost is saved, and meanwhile, the device can prevent a pipeline and a sludge inlet from being blocked.

The invention discloses an anti-skid and anti-trip threshold for a bathroom sliding door. The anti-skid and anti-trip threshold for the bathroom sliding door comprises a buffer part connected with a door frame, wherein the buffer part is sequentially connected with an anti-skid part and a water blocking part. The buffer part is provided with a plurality of grooves distributed at equal intervals, springs are arranged in the grooves, an arc-shaped buffer pad is arranged on the buffer part in a covering mode, air cushion blocks are arranged on convex tables between the adjacent grooves, and the upper surface of the air cushion blocks are bonded with the buffer pad. The anti-skid part is provided with wavy anti-skid lines. A transverse water blocking groove is formed in the water blocking part. The height of the buffer part, the anti-skid part and the water blocking part are sequentially decreased. The anti-skid and anti-trip threshold for the bathroom sliding door has the advantages of good anti-skid and anti-trip performance, high safety and convenient disassembly and assembly.