48results about How to "Simple and reliable implementation" patented technology

The invention discloses a hot patching implementation method of an embedded system. The method includes: finding the old function in an existing system, changing the first instruction of the function into a skip instruction with the skip address pointing to a new function so as to allow the new function to replace the old function. By the method, system software function updating and defect fixing can be completed while a software system cannot be replaced and equipment restarting is unavailable.

The invention discloses a method and device for obtaining user login information based on an enterprise application system, relating to the technical field of networks. Because of adopting a bypass surveillance process, the method and the device for obtaining user login information based on the enterprise application system realize network behavior filter according to key a URL (Uniform Resource Locator) and a keyword to find and identify login action, collect user login information and carry out user login journal audition. The method and the device have the following advantages that: (1) bypass surveillance is a monitoring program of a network layer, can also restore the HTTP (Hyper Text Transport Protocol) request of an application layer, can analyze and identify the content of the HTTP request and judge a login result according to the content; and (2) a bypass surveillance method has no affect on the operation of the traditional system, does not change the traditional operation environment, and is simple and reliable to apply.

The invention provides a hardware management method for a large-scale data centre for managing the data centre; the data centre comprises a plurality of racks; each rack comprises a plurality of different pieces of hardware equipment; each hardware equipment comprises a plurality of components; each rack, hardware equipment and component have management attribution; the management method comprises the following steps of acquiring the management attribution of each data centre, rack, hardware equipment and component; forming a hardware data structure topological graph according to the acquired management attribution of the data centre, rack, hardware equipment and component; issuing a management request based on user demand according to the order of the hardware data structure topological graph; and implementing the management of the plurality of components of the plurality of different pieces of hardware equipment according to the management request and according to a first equipment management manner or second equipment management manner stored in advance. By utilizing the hardware management method for the large-scale data centre, the unified management for the plurality of racks of the data centre is realized, the implementation is simple and reliable, and the organization form of the data centre management system is simplified.

The invention relates to a monitoring device and method for automatically monitoring elevator maintenance and overcomes the defect that elevator maintenance is difficult to monitor automatically as compared with the prior art. The monitoring device comprises a current transformer. The connecting circuit of the IO port of an elevator controller and a safety loop penetrates the annular magnetic core of the current transformer. The current transformer is located between the elevator controller and a maintenance switch. The signal output end of the current transformer is connected with the signal input end of a processing unit. The monitoring device has the advantages that the device does not contact with an elevator control system during monitoring, the state of the maintenance switch is indirectly detected so as to determine whether an elevator is maintained or not, influence on the original elevator control system is avoided, and convenience and reliability in implementation are achieved.

The invention discloses a judgment method for faults of current detection circuits of electric energy meters of residents. The judgment method comprises the following steps: acquiring current of the electric energy meters of the residents; judging the types of the electric energy meters; judging whether the electric energy meters have potential overload faults or not; judging whether the single-phase electric energy meters have faults of the current detection circuits or not. According to the judgment method disclosed by the invention, current information of the electric energy meters of the residents is acquired by a concentrator; under the conditions of not changing data acquisition procedures and flow of existing electric energy meters, prejudgment of potential overload faults of the electric energy meters is realized, and automatic acquisition and analysis and fault judgment of live fire current and zero line current of single-phase meters of the residents at four time points are also realized. According to the judgment method disclosed by the invention, the faults of the current detection circuits of the electric energy meters of the residents can be quickly judged; in addition, the judgment method is simple and reliable in implementation and is accurate in judgment.

A method and a device for controlling a drive unit are provided, which allow for a reproducible load reversal damping. For this purpose, a setpoint value for an output variable of the drive unit is limited so that an overrun fuel cutoff of the drive unit is prevented. A limiting value for the setpoint value for the output variable is formed as a function of a loss value of the drive unit.

The invention discloses a fabrication method of a circuit board module, the circuit board module and a mobile terminal. The fabrication method of the circuit board module comprises the following stepsof providing a circuit board; packaging a first functional module on the circuit board, and forming a similarity shielding layer outside the first functional module; reserving an installation regionon the circuit board, and arranging a second functional module in the installation region; and surface-mounting a shielding cover covering the second functional module in the installation region. Thefabrication method simultaneously employs a similarity shielding technology and a shielding cover shielding technology, the two technologies are relatively low in cost, the fabrication method is simpler and reliable to implement, thus, the production cost of the mobile terminal can be reduced, meanwhile, the production efficiency of the mobile terminal is improved, the structure reliability of theshielding structure is ensured, and the shielding effect is ensured.

The embodiment of the invention provides a communication method and device. The method in the embodiment of the invention comprises the following steps of: obtaining channel parameter information between K sending ends and a receiving end, the beam forming vectors of the K sending ends and the sending power of the K sending ends, then, obtaining the target sending power of the K sending ends according to the channel parameter information between the K sending ends and the receiving end, the beam forming vectors of the K sending ends and the sending power of the K sending ends, and then, controlling the K sending ends to communicate with the receiving end respectively through the respective target sending power. Thereby, by means of the technical scheme provided in the embodiment of the invention, the security of information transmission in a communication process can be improved to a certain degree.

The invention discloses a device for generating power by utilizing rotation of a left half shaft and a right half shaft of a car in the field of cars. An engine of the car is respectively connected with the left half shaft and the right half shaft for driving left wheels and right wheels to rotate through a speed changer, the left half shaft and the right half shaft are respectively and fixedly sleeved with a half shaft gear ring, each half shaft gear ring is meshed with a generator shaft head gear, each generator shaft head gear is connected with a generator, each generator is connected with a capacitor through a wiring harness, the two capacitors are connected with a storage battery, and the storage battery is connected with the engine through a voltage transformer. Power generation devices are arranged on the left half shaft and the right half shaft, the kinetic energy of rotation of the half shafts is used for driving the power generation devices to generate power, power is generated only when the car runs, no power is generated when the car stops, the load on the engine can be reduced, and the power of generators is improved.

The invention relates to a novel multi-stage planting defluorinated water treatment technology based on a pre-reverse osmosis technique. The technology is characterized by comprising the steps that fluorine-containing raw water, a water treatment agent and planting type hydroxyapatite filter particles are taken as starting raw materials, fluorine-containing raw water pretreating, suspension mixing preparing, first-stage planting of the planting type hydroxyapatite filter particles, second-stage planting of the planting type hydroxyapatite filter particles and defluorination treatment water filtering are conducted, and then treated defluorinated clean water is obtained. According to the novel technology, a planting function and an implanting function are integrated into a whole, both the requirements of planting fluorapatite crystal galactite and the requirements of implanting fluorapatite crystal galactite can be met through first-stage planting and second-stage planting, the planting process and the implanting process are circularly conducted, therefore, the service life of the planting type hydroxyapatite filter particles is greatly prolonged, and regeneration equipment for the planting type hydroxyapatite filter particles does not need to be additionally arranged.

The invention belongs to the resin-based composite liquid forming technology, in particular to an RTM forming mold and method of a composite blade. Due to the high performance requirement of the composite blade, high-toughness liquid forming resin must be adopted, the phenomenon that temperature changes are too large to exceed the range is prone to being generated in the long-distance flowing process, and forming failures are extremely prone to being caused by uneven resin temperatures and uneven resin flowing distribution. A glue inlet slow flowing area communicating with a glue inlet is arranged on the forming mold, a resin diffusion device is arranged between the glue inlet slow flowing area and an inner cavity of a blade prefabricated body, and a flue outlet slow flowing area communicating with a glue outlet is further arranged. It can be ensured that resin can form the blade prefabricated body within the required temperature range, the problem that the glue inlet quantity of a traditional RTM process cannot be controlled in a zoned manner is effectively solved, the fringe effect phenomenon existing in the conventional RTM process is weakened, and the forming quality of the composite blade is further improved.

The invention belongs to the technical field of power equipment, and relates to a self-compensation type electrified wire connection integrated installation device. The device comprises a positioning assembly used for fixing an upper guide block at a wire clamp, the positioning assembly comprises an ascending limiting block used for limiting ascending of the upper guide block and a descending limiting block used for limiting descending of the upper guide block, and the ascending limiting block and the descending limiting block are both horizontally hinged to a clamping rod; the hinge axes of the ascending limiting block and the descending limiting block are parallel to each other, and the hinge points of the ascending limiting block and the descending limiting block spatially avoid the plugging path of the wire clamp; a striking part comprises a screw sleeve used for screwing a tightening nut at the wire clamp, and the screw sleeve is driven by a striking motor to generate coaxial rotation action; and the striking part further comprises a compensation assembly which is used for driving the screw sleeve to generate axial approaching motion relative to the tightening nut while the screw sleeve generates the rotation motion. According to the self-compensation type electrified wire connection integrated installation device of the invention, the accuracy, the stability and the efficiency of the parallel groove of the wire clamp can be effectively guaranteed.

The invention discloses a landscaping accurate modeling construction method based on an RTK technology. The method comprises the following steps of collecting a hand-painted or real-sight pattern; extracting the contour shape of a collected image and storing as the contour image of a CAD format; using the RTK technology to measure a topographic map and forming a CAD base map with a geodetic coordinate; opening the CAD base map, copying the contour image with a base point to the CAD base map and moving to a position where landscaping modeling construction is required, and then, acquiring the geodetic coordinates of each inflection point and/or the arc connection point, and the vertex of the contour image; through an RTK mapping technology, carrying out point release measurement and point release marking on the geodetic coordinate of each point of the contour image; and connecting the points in the point release marking in the field according to a graphic structure to form a graphic contour. Through a landscaping technology, according to a design requirement, the graphic contour is filled so as to acquire the landscape modeling of a hand-painted graph. The method possesses advantagesthat modeling precision is high; an aesthetic feeling is achieved; a man-made influence factor is small; and a construction process is simple and high-efficient.

The invention belongs to the technical field of power equipment, and particularly relates to a top-up J-shaped wire clamp installer. The installer comprises a positioning and mounting part, the positioning and mounting part comprises a base and clamping rods, the two clamping rods are parallel to each other, so that a gap between the two clamping rods forms a placement channel allowing a wire clamp to be inserted in the length direction of the clamping rods, and a positioning assembly used for fixing an upper guide block at the wire clamp is arranged in the placement channel; and an auxiliary wire locking clamp and a main wire guiding clamp are arranged on the two sides of the positioning installation part respectively, a clamping opening of the main wire guiding clamp and a head end notch of a lower guiding block of the wire clamp located in the placement channel both face upwards, and therefore a main wire can be guided into the head end notch through the main wire guiding clamp. The wire clamp parallel groove working efficiency of the wire clamp installer can be improved, and the overall structure is very compact and stable.

The invention belongs to the technical field of power equipment, and particularly relates to a self-compensating J-shaped wire clamp installer. The installer comprises a positioning mounting part, a striking part is arranged at the positioning mounting part, the striking part comprises a screw sleeve which is coaxially arranged with a to-be-rotated object, and the screw sleeve is driven by a striking motor so as to generate a coaxial rotation action relative to the to-be-rotated object; the installer further comprises a compensation assembly; the compensation assembly comprises a transmission shaft coaxially and fixedly connected to an output shaft of the striking motor, the transmission shaft is coaxially sleeved with an outer guide sleeve, the outer guide sleeve and the transmission shaft are in rotation stopping fit, and the screw sleeve is coaxially assembled at the top end of the outer guide sleeve; and the compensation assembly further comprises an elastic piece for driving the outer guide sleeve to move upwards in the axial direction relative to the transmission shaft. According to the invention, in the doubling installation process of the J-shaped wire clamp, the thread sleeve always synchronously acts along with the tightening nut or the nut of the tightening screw until the wire clamp is completely clamped in a parallel groove, so that the use safety and the actual installation efficiency of the wire clamp are greatly improved.

The invention relates to a digital bus isolation communication circuit, and the circuit is characterized in that the circuit comprises multiple input/output circuits; each input/output circuit comprises a digital signal input end, a digital signal output end, a digital signal input/output end, an input circuit, and an output circuit. The circuit provided by the invention is simple and reliable inimplementation, is suitable for the isolation and communication of input/output signals of a digital bus with the wide voltage range, and is also suitable for a 24V switching signal input/output circuit in industrial application. Moreover, a high level threshold value of a 24V switching voltage can be set randomly according to the needs, and can be achieved through the adjustment and comparison ofreference voltage Vr values.

The invention discloses a control method and device for automatic discovery of network elements, including: detecting the status of each port on the network element, judging whether the automatic discovery function of the port needs to be started, and recording the information of the ports that need to start the automatic discovery function; Information about the ports that enable the auto-discovery function, and enable the auto-discovery function of the corresponding port. The present invention distinguishes the ports that need to be automatically discovered from the ports that do not need to be started, and only starts the automatic discovery for the ports that need to be automatically discovered, which greatly reduces the occupation of system resources and improves the performance and processing efficiency of the system , and the implementation is simple and reliable, and the result is stable and reliable.