79results about How to "Avoid unusable situations" patented technology

The invention provides a key generation method and apparatus. The method includes: obtaining a slice identifier corresponding to a network slice currently attached to a user terminal, wherein the slice identifier is used for identifying the network slice in a unique manner; and sending the slice identifier to a specified communication device, wherein the slice identifier is used for indicating generation of an intermediate key required by the network slice according to the slice identifier to the specified communication device. By employing the above technical scheme, the problem that in the related technology, different network slices possibly use the same intermediate key so that the functions of the slices cannot be normally realized is solved, different network slices correspond to different intermediate keys, and the condition that the functions of the slices cannot be normally used since the same intermediate key is distributed to different network slices is avoided.

The invention provides a method and a device for executing write operation on a protected partition. The protected partition is a partition which is mounted in a first catalogue in a read only way in a normal starting mode, wherein the first catalogue is established in the normal starting mode; the method comprises the steps of when the write operation is needed to be carried out on the protected partition, entering the normal starting mode, establishing a second catalogue, and mounting the protected partition into the second catalogue in a read-write way; carrying out the write operation on the second catalogue in an abnormal starting mode. After the method and the device are adopted, the problem that equipment can not be normally used due to the complicated operation or misoperation when the write operation is carried out on a protected partition can be solved.

The invention relates to a method and system for managing a gateway of a wireless local area network. The wireless local area network comprises a gateway, a distribution platform and a cloud management platform. The method for managing the gateway of the wireless local area network comprises the steps that authentication information is created in the cloud management platform, wherein the authentication information contains a distribution platform address and access verification information; the gateway receives an authentication request, judges whether the authentication request comprises the authentication information or not, and acquires an access address of the cloud management platform from the distribution platform according to the distribution platform address contained in the authentication information; the gateway sends an access request to the cloud management platform according to the acquired access address of the cloud management platform, and the cloud management platform verifies the access verification information and establishes connection with the gateway; and the cloud management platform receives keep-alive signals sent by the gateway at an interval of preset time and source address information of the gateway. According to the method for managing the gateway of the wireless local area network, the access efficiency is improved through a mode that the gateway actively discovers and connects the cloud management platform.

The invention discloses a vertical circulating garage carrying hanging bracket with a 360-degree unobstructed rotating carrying plate. The carrying hanging bracket comprises a carrying bench underframe, a rotatable carrying plate, a revolving bearing, a circular-ring-shaped rolling support device mounting base, a rolling support device, and a rotatable carrying plate electric-driving device. The revolving bearing and the circular-ring-shaped rolling support device mounting base are installed at the center of the top surface of the carrying bench underframe; and the centroid of the bottom surface of the rotatable carrying plate is arranged right above the centroid of the top surface of the carrying bench underframe. A mounting hole is formed in the centroid of the rotatable carrying plate.A plurality of rolling support devices are installed on the top surface of the circular-ring-shaped rolling support device mounting base; and the bottom surface of the rotatable carrying plate is in contact with the rolling support devices. The carrying hanging bracket has characteristics of short stop and take time, flexible rotation, high precise, and high reliability and safety.

The recovery bootstrap system method comprises: dividing the flash memory of device with embedded Linux OS into four areas for the system guide tool, Linux micro-kernel, mini root directory system, and user root directory; setting the area with user directory as the erasable area and other areas as read-only areas; and arranging the detection program for user root directory in the mini file system to first detect the file and decide the log-in when starting.

The invention relates to the technical field of fire-fighting accessory devices, in particular to a fire-fighting equipment storage box. By adopting the fire-fighting equipment storage box, a box bodycan be effectively prevented from being opened by unauthorized persons, the protection capability on fire-fighting equipment is improved, the situation that the fire-fighting equipment cannot be usednormally in case of a fire is avoided, and the safety and practicality are improved; moreover, fire hydrants can be effectively prevented from being stolen, the protection capability on the fire hydrants is improved, and the usage reliability is improved. The fire-fighting equipment storage box comprises the box body, a partition board, a water supply pipe, a water supply valve, a spool frame, afire-fighting hose reel, a water gun and a plurality of fire hydrants, and further comprises a photoelectric alarm and a control switch. The front end of the box body is provided with a taking and charging port, and a door panel is arranged at the taking and charging port. The left end of the door panel is connected with the left side of the front end of the box body through hinges. The right endof the door panel is connected with the right side of the front end of the box body through an electromagnetic lock. The electromagnetic lock comprises a lock bar, a soft iron rod, a permanent magnetic column, a first spring, a electrified coil, a first baffle, a limiting ring, a first tapered end and a second tapered end.

The invention discloses an electric wheel stopping device and a three-dimensional garage carrying hanging bracket using the same. The stopping device comprises a rack body having a rectangular cross section. The rack body is fixed in a square hole that is formed in the top surface of a carrying plate of a three-dimensional garage and has an upward opening. Longitudinal rails are arranged on the right side surface of the left side of the rack body and the bottom end of the left side surface of the right side respectively. A first square panel is hinged to the rear side surface of the front sideof the rack body; a second square panel is hinged to the rear end of the first square panel; and the left side and the right side of the rear end of the second square panel can slide on the longitudinal rails respectively. Electric telescopic devices are arranged at the left and the right end of the rack body symmetrically; a horizontal plate is connected to the front ends of telescopic shafts ofthe two electric telescopic devices; a longitudinal pull rod is connected to the middle portion of the horizontal plate; and the rear end of the longitudinal pull rod is hinged to the rear end of thesecond square panel. Therefore, movement of a vehicle is prevented and thus accident occurrence is avoided.

The invention relates to the technical field of energy saving and environmental protection, in particular to energy-saving and environment-friendly sewage treatment equipment, which comprises an equipment main body. The equipment main body is internally equipped with an aeration chamber, a gas deodorization pipe, a precipitation chamber and a disinfection chamber. The equipment main body is externally equipped with a wind power generator, a control box and several solar cell panels. The control box is internally equipped with a lithium battery pack, a controller and a power switching device. Through a reversing valve, a second reversing valve, a gas detector and a water detector, the equipment realizes dual guarantee, and avoids discharging substandard water or gas and polluting the environment. Moreover, the electric energy of the equipment is provided by wind and solar energy, thus being more environmentally friendly. The energy-saving and environment-friendly sewage treatment equipment can effectively solve the problems of low solar energy utilization, potential safety hazards and failure to meet the demand by clean energy, also can achieve thorough purification and filtration of bacteria, impurities and sludge in sewage, and meets the requirements of energy saving and environmental protection.

The invention provides a power free lift type flood gate. The flood gate comprises a seat body comprising a first water collecting area and a second water collecting area; a waterproof gate, which is movably integrated on one side of the seat body and is used to open/close the second water collecting area; a float force interlink mechanism, which is arranged in the second water collecting area and is buckled to the waterproof gate; and at least two air pressure rods, which are arranged in the second water collecting area and connected to the waterproof gate. The flood gate can be arranged on the external side of inlet/outlet of a building. The waterproof gate and the ground of the inlet/outlet are in the same horizontal plane. When the water flowing from the first water collecting area to the second water collecting area reach a predetermined height, water is taken as the driving force to drive the float force interlink mechanism to release the waterproof gate so as to release the air pressure rods to lift the waterproof gate, the waterproof gate is lifted and is vertical to the ground, the waterproof gate baffles the water from entering the building, and thus the flood is prevented without any power operation.

The embodiment of the invention provides a remote meter reading abnormity monitoring method and device, a gas meter system and a gas cloud platform. The method comprises the following steps: extracting gas data characteristics of a gas use data sequence corresponding to each gas use behavior node; calculating a first data node sequence corresponding to the gas data characteristics in the gas meterdata; calculating abnormal matching characteristics of the gas data characteristics matched with preset abnormal characteristics corresponding to a gas user of the gas meter, further extracting the corresponding second data node sequence, and after the gas data interval of each target data node is determined, searching the corresponding abnormal data to determine the abnormal monitoring reason corresponding to each target data node. Thus, the gas abnormal condition of the gas use behavior node can be monitored in real time, so that the pertinence and sensitivity of gas abnormal monitoring areimproved, and the situation that the gas abnormal problem cannot be used normally due to the fact that the gas abnormal problem cannot be repaired for a long time can be avoided to a certain extent.

The invention aims to provide a control method of a shared charger, being characterized in that the numbers of a background server and a front-end device are used as password seeds, and a plurality ofpassword groups are generated by using the same generation rule; the background server sends the password groups to a mobile client in sequence according to the order completion frequency; a chargerend takes a password group which is used most recently as a forbidden password, so that the repeated use of the password remembered by the last user is avoided; and after entering a payment interface,the client performs order payment, and then the password is sent to the user after the payment is successful, thus completing the verification of the charger end. Therefore, a wireless network moduledoes not need to be arranged at the charger end to carry out network connection to synchronize data, so that the circuit structure of the charger end is simpler, and the cost of the charger is greatly saved in thousands of charger pavement.

The invention provides an authority control method. The authority control method comprises the steps of obtaining user information of an operation user, a to-be-operated object and a required operation type; determining permission priorities of the operation types of the to-be-operated objects; searching the highest authority priority owned by the operation user for the to-be-operated object fromthe data authority table; and if the authority priority is lower than the highest authority priority, executing an operation corresponding to the operation type on the to-be-operated object. Because the highest authority priority of the user to the operation object is stored in the table, the related operation can be executed as long as the authority priority required by the user is lower than thehighest authority priority stored in the table, and one-to-one comparison with all owned operation types is not needed, so that the query speed can be increased. The highest authority priority is stored in the table, and all operation types do not need to be stored, so that the storage content in the table can be reduced, and the situation that a user cannot normally use the table due to the factthat authority distribution does not conform to use logic can be avoided.

The invention relates to a mechanical condition monitoring system and relates to the field of mechanical inspection. A management end and at least one collection end are included, each of the collection ends is connected to the management end, and each of the collection ends is used for collecting working parameters of a target machine and comprises an oil sensor and a state sensor. The oil sensoris used for monitoring an oil quantity in an oil tank of the target machine, the state sensor is used for detecting the working state of a target mechanical device, and both the oil sensor and the state sensor are connected to the management end. The management end is used for counting and displaying the working parameters. According to the solution, the technical problem of how to collect the working parameters of engineering machinery is solved, and the solution is applicable to the supervision of the engineering machinery.

The invention discloses a cover opening structure of an intelligent garbage can cover. The cover opening structure comprises a garbage can cover and a garbage can body, the garbage can cover is movably connected with the garbage can body through an integrated mounting assembly, lifting handles are arranged at the upper ends of the two sides of the garbage can body, and a cover plate is rotationally connected with the upper end surface of the garbage can cover through connecting lugs; clamping grooves are formed in the connecting lugs, a drainage plate is connected with the edge of the cover plate, a thermosensitive device is arranged on the end surface of the closing position of the cover plate, a throwing opening is formed in the opening position of the cover plate, the rotating input endof the cover plate is connected with a telescopic mechanical arm through a suction cup, and the rotating input end of the telescopic mechanical arm is connected with a driving device; and the drivingdevice comprises a motor and a right-angle corner device, the rotating input end of the telescopic mechanical arm is connected with the rotating output end of the right-angle corner device through areduction gear. According to the cover opening structure of the intelligent garbage can cover, the situation that hands are beaten when the cover is opened is completely avoided, the satisfaction degree of user product experience is comprehensively improved, and selling points are increased for products.

The invention relates to an electronic device capable of enhancing antenna signal strength and an operation method of the electronic device. The electronic device comprises a casing, an antenna and a metal sheet. The antenna is arranged on the casing; and the metal sheet is detachably arranged on the casing. When the metal sheet is detached from the casing, the metal sheet can be bent to be a curved surface; the casing can move relatively to the metal sheet to form a preset distance between the antenna and the peak of the curved surface so as to enhance the antenna signal strength through the curved surface. When a user is in environment where the electronic device can not receive signals from a base station (such as in remote mountains), the antenna signal strength can be enhanced by the aid of the curved surface formed from the metal sheet, and further the possibility that the antenna of the electronic device receives signals from a nearby base station is increased.

The invention relates to the technical field of computer network development equipment, and discloses a computer network development auxiliary device based on a gear transmission principle, which comprises a table body, a transverse plate is fixedly connected to the interior of the table body, a rotating shaft is movably connected to the interior of the transverse plate, and a first gear fixedly sleeves the exterior of the rotating shaft; a lifting frame is movably connected to the interior of the table body, a moving plate is movably connected to the interior of the lifting frame, and short rods are fixedly connected to the surface of the moving plate; through interaction of the rotating shaft, the transverse plate, the first gear, the short rod, the moving plate, the lifting frame, the first electromagnet, the first spring, the inserting rod and a prone pillow, the prone pillow can be driven to move out of the table body and supported and fixed, and therefore a computer network developer can have a rest comfortably for a period of time when tired; the situation that arms and shoulders are aching due to the fact that a user directly lies on a desktop to have a rest is avoided, andthen a computer network developer can continue to conduct subsequent work.

The invention discloses a carton paperboard production conveying line capable of being marked. According to the technical scheme, the production conveying line comprises a rack, and a conveying belt arranged on the rack, a stroke detecting device colliding with the surface of the conveying belt is arranged on the rack, a marking device is arranged on the rack, a roller of the stroke detecting device collides with the surface of the conveying belt, and a displayer is arranged on the rack, and is connected with the output end of a controller. According to the carton paperboard production conveying line capable of being marked, the paperboard surface can be marked, and a worker can conveniently carry out bending operation on the paperboard.