32results about How to "The data is real and effective" patented technology

The invention belongs to the technical field of ancient and famous tree safety monitoring and early warning, and especially relates to an ancient and famous tree safety monitoring and early warning device based on an NB-LOT network. The device comprises an NB-LOT inclination angle sensor, an NB-LOT soil moisture content sensor, an NB-LOT termite sensor, a background server and an ancient and famous tree early warning system. The NB-LOT inclination angle sensor is in signal connection with the background server, the NB-LOT soil moisture content sensor is in signal connection with the backgroundserver, and the NB-LOT termite sensor is in signal connection with the background server. The product supports internet-of-thing monitoring of all ancient and famous trees at present; the device is convenient to install and is stable; the data is real and effective; the stored state can be analyzed through the ancient and famous tree safety monitoring and early warning system based on the contentof the background server, and the state of the ancient and famous tree can be sensed in real time based on the analyzed data; and if the state exceeds the set standard, alarm information can be pushed to terminal equipment, and protection measures can be taken at the first time.

The invention provides a method for calculating the wind swing distance of an insulator string under different lengths. According to the method, an insulator wind swing distance simulation device is established, so that a wind swing compensation coefficient is obtained; and the wind swing distance of the wind swing is obtained. The method has the advantages of convenient data acquisition, true andeffective data and simple calculation process. The method can be applied to practical conditions and provide a direct and effective method for the wind swing analysis of overhead transmission lines.

The invention discloses a device and method for typical damage simulation of cable-stayed bridges, wherein the device for typical damage simulation of cable-stayed bridges includes five sub-systems: girder system, cable system, pier tower system, load system, and measurement system. System, main girder system: used to simulate the typical damage condition of the main girder of the cable-stayed bridge; cable system: used to simulate the typical broken cable damage condition of the cable-stayed cable; pier tower system: used to fix the main girder system and the cable system ; Load system: used to provide different static load conditions; Measuring system: used to measure the cable force of the cable system, the internal force of the main beam in the main beam system, and the stiffness of the main beam in the main beam system. The invention can effectively obtain the performance degradation rule of the cable-stayed bridge under typical damage, has simple structure, flexible operation, clear stress and wide application range.

The invention discloses a monitoring pipe and vacuum film connecting structure and a connecting construction method in soft foundation treatment. The connecting construction method includes the following steps: vertically drilling into foundation soil, burying the lower end of a monitoring pipe in the foundation soil, and enabling the upper end of the monitoring to be higher than a sand cushion layer; coaxially burying a sleeve outside the monitoring pipe, enabling the lower end of the sleeve to reach a foundation treatment layer, and enabling the upper end of the sleeve to be flush with or lower than the upper end of the monitoring pipe; laying a vacuum film on the sand cushion layer, enabling an opening of the vacuum film to penetrate the sleeve, and connecting the vacuum film with the four sides of the sleeve in a bonded manner; pouring clay slurry in a gap between the sleeve and the monitoring pipe, and enabling liquid level of the clay slurry to be flush with or higher than the surface of the sand cushion layer; cutting off the sleeve and the monitoring pipe after settlement of the foundation treatment layer is completed, and using a surcharged material to backfill the gap between the sleeve and the monitoring pipe densely. The monitoring pipe and vacuum film connecting structure and the connecting construction method have the advantages of simplicity in material, flexibility in operation and high sealability.

The invention provides a thermal zinc spraying drawing force detection method of a wind turbine bearing. A drawing force detection sample block made of the same material of the wind turbine bearing isproduced, and the detection sample block is matched with a wind turbine bearing mounting hole in shape; the drawing force detection sample block is mounted in the wind turbine bearing mounting hole;the drawing force detection sample block is subjected two sand blasting treatment with the wind turbine bearing; after sand blasting, the drawing force detection sample block is subjected to zinc spraying treatment with a product; after zinc spraying, a drawing force detection rivet is glued to the drawing force detection sample block; after a preset period, drawing force detection is conducted. The drawing force detection sample block can be processed as part of the product instead of being treated independently, the binding force condition of each set of wind turbine bearing after spraying process can be randomly detected, data are real and effective, the accuracy is high, the actual condition in the processing process can be reflected, and real-time adjustment can be performed accordingto the actual detection condition.

The invention discloses a hydraulic control system for a helicopter ground integrated test bench, and belongs to the technical field of helicopter tests. The system comprises an upper computer, an analog quantity I / O module and a steering engine controller; the upper computer is used for inputting an instruction and has a display processing function, the analog quantity I / O module is used for performing digital-to-analogue conversion, and the steering engine controller is used for receiving data transmitted by the analog quantity I / O module and controlling a main steering engine and a tail steering engine. The hydraulic control system for the helicopter ground integrated test bench further comprises a hydraulic system, a hydraulic pump in the hydraulic system serves as an accessory of a main speed reducer, an output shaft of the accessory of the main speed reducer is driven by an engine, the hydraulic pump is connected with the main steering engine and the tail steering engine through valves and pipelines, and the main steering engine, the tail steering engine and the hydraulic system all adopt airborne parts. According to the hydraulic control system for the helicopter ground integrated test bench, the real working condition of the helicopter hydraulic control system can be better simulated, the helicopter hydraulic control system can be better assessed, and meanwhile it is guaranteed that data of other test projects are truer and more effective.

The invention discloses hardness (stiffness) automatic detecting equipment for rubber shoe upper synthetic cloth. The equipment comprises a base, and is characterized in that an inlet support and an outlet support are arranged on the base in parallel in a spaced mode, an infrared emitter is arranged on the inlet support, and an infrared receiver is correspondingly arranged on the outlet support; a force applying sleeve is arranged in the middle of the position above the connecting line of the inlet support and the outlet support, and a movable force applying rod is mounted in the force applying sleeve; traction equipment is mounted on the outer side of the outlet support. According to the hardness (stiffness) automatic detecting equipment for the rubber shoe upper synthetic cloth, the uniformity of adhesive cement at each point of the cross section of the whole synthetic cloth can be continuously detected, a data-driven and standard detecting result is formed, therefore, the stiffness of the synthetic cloth can be controlled within an optimal range, and high-quality rubber shoes can be conveniently produced.

The invention discloses an underwater wireless beacon based on Beidou transmission and an underwater communication method, and relates to the technical field of underwater information communication. The system comprises an underwater wireless beacon main system; the underwater wireless beacon main system comprises an underwater communication system, a water surface communication system and a beacon self-destruction system; wherein the underwater communication system comprises a Bluetooth module and a main control module which are electrically connected, the water surface communication system comprises a stroboscope lamp and a Beidou module which are electrically connected, and the beacon self-destruction system comprises a self-destruction module and a battery pack which are electrically connected. The invention relates to an underwater wireless beacon based on Beidou transmission and an underwater communication method. According to the scheme, underwater data can be received and stored in a cable-free mode according to needs and transmitted to the shore end after floating out of the water surface, and finally self-destruction operation after the beacon communication function is completed. The system improves the safety performance, guarantees the safety of data transmission, and is convenient and fast to use; and meanwhile, the secrecy, controllability and flexibility of communication are guaranteed, the service life is prolonged, and the cost is reduced.

The invention discloses a multi-platform data sharing system and a data sharing method thereof. The above-mentioned system includes: a memory server; a main server for querying data, loading data, and updating data of the above-mentioned memory server is connected to the above-mentioned memory server; at least one slave server for querying data and loading data for the above-mentioned memory server is connected to the above-mentioned main server It is connected with the above-mentioned memory server; the database server is connected with the above-mentioned master server and the above-mentioned one or more slave servers. According to the technical solution provided by the present invention, under the premise of ensuring that the data of the memory server is real and effective, the dependence on the database is minimally dragged down. This method reduces the access pressure of the database and can greatly improve the client's ability to refresh data. time.