40results about How to "Solve real problems" patented technology

The invention discloses an abnormal/fault positioning detection method based on a binomial tree model. The method comprises the steps of firstly, converting the physical layout of an industrial pipe network into the binomial tree structural model, and storing the detected data into corresponding nodes of a binomial tree; secondly, according to the character of the binomial tree and the relevance between information of the detection nodes, and utilizing the flow conservation property of the data flow of the industrial pipe network for achieving computation of the data flow of nodes of sensors not to be deployed; thirdly, according to the relation between the actual measuring value of the deployed sensors of the detection nodes of the industrial pipe network and the computation value, analyzing the operation condition of the industry, and judging the abnormal/fault types; finally, utilizing the structure characteristics of the binomial tree model for analyzing the abnormal/fault positions of the industrial pipe network and giving an alarm. According to the method, the design is simple, the cost is low, abnormal/fault detection by a traditional artificial tour gauging method is broken through, and the real-time detection on the working condition of the industrial pipe network in a real time mode under the limiting situations of the detection nodes is achieved.

The invention relates to a fire-fighting early-warning monitoring and intelligent management system based on an internet. The system integrates functions of eight kinds of software, comprising telephone networking early-warning software, wire video monitoring early-warning software, wireless video monitoring early-warning software, mobile video monitoring early-warning software, satellite video monitoring early-warning software, video on demand software, video session software, live video software, and the like, and the functions can be used independently or integratedly by users. The system can perform large-area networking management on fire alarm systems in buildings, and can realize effective monitoring and quick alarm. The system guarantees the normal operation of the fire alarm systems and fire safety facilities, improves the reliability of the fire alarm systems, and reduces the rate of false alarm. Moreover, through the equipment operating data and alarm information of the fire early-warning monitoring intelligent alarm system based on the internet, the developing process of intelligence and networking of city fire management is accelerated, and thus, the integral technology level and the comprehensive capability of fire prevention and reduction are enhanced.

The invention relates to a vehicle wireless key detection system and a vehicle. The system comprises a low-frequency emission antenna arranged on a vehicle to send a low-frequency wireless signal covering the whole vehicle and a vehicle key including a key-free system detection module, a key low-frequency receiving device, a key high-frequency emission device and a key controller, a vehicle high-frequency receiving module and a control module. The key-free system detection system module can detect whether the vehicle key is in a coverage range of the low-frequency emission antenna; the key controller is configured in a way that when the vehicle key is detected to be in the coverage range of the low-frequency emission antenna, the key low-frequency receiving device is started to receive thelow-frequency wireless signal, and the key high-frequency emission device is started to send a high-frequency wireless signal at least comprising an authorization signal, a function signal and a low-frequency wireless signal RSSI strength signal; the vehicle high-frequency receiving module and the control module are arranged on the vehicle; the vehicle high-frequency receiving module receives thehigh-frequency wireless signal; and the control module authorize the authorization signal and judges according to the low-frequency wireless signal RSSI strength signal.

The invention relates to a mental health self-help device, which comprises a main machine, a fully enclosed shell and a movable booth, wherein the main machine is connected with a full-touch display screen; the outside cover of the main machine is provided with the fully closed shell; the upper part of the fully closed shell is provided with three anti-peeping baffle plates which are connected in turn; the fully closed shell is arranged in the mobile booth; and wheels are arranged at the bottom of the mobile booth. The device has the advantages that: the pertinency is high and the range of application people is wide; the use is quick and convenient; factors influencing measurement accuracy is limited; learning, testing and evaluating functions are provided for users so that the users can realize effective self help, solve practical problems, improve mental problem handling ability and level and make self adjustment in time; and the cost is low and the popularization is easy.

The invention provides a screw type disassembling tool which is characterized by comprising a body supporting pressing cap, a tappet lead screw and an adjusting rod. An external thread is arranged at one end of the body supporting pressing cap, wherein the external thread can be connected with an internal thread of a valve box pressing cap hole in a plunger pump fluid end assembly, the other end of the body supporting pressing cap is fixedly connected with a retaining nut, the retaining nut is in threaded connection with the tappet lead screw, a loop is arranged in the body supporting pressing cap, a supporting sleeve and end face bearings are arranged in the loop, wherein the end face bearings are located at the two ends of the supporting sleeve, one end of the tappet lead screw is arranged in the supporting sleeve in a sliding mode, an adjusting handle is arranged on the outer side of the other end of the tappet lead screw, the adjusting rod is arranged in a center hole of the tappet lead screw, one end of the adjusting rod is connected with a pop-rivet, and the pop-rivet is in threaded connection with the loop. Compared with the prior art, the screw type disassembling tool has the advantages that the structure is simple, the problem that a plunger and a gland are difficultly disassembled under practical situations is completely solved, efficiency for disassembling the plunger and the gland on a scene is improved, and replacement time is saved.

The present invention provides a portal service realization method based on multiple SSID and a portal service realization system based on the multiple SSID, wherein the method comprises the steps of S1 correlating any one SSID in a wireless local area network; S2 obtaining a corresponding resource locator address from a wireless access point (AP) according to the connected SSID; S3 sending an internet surfing request to a corresponding Portal server according to the obtained resource locator address; S4 receiving and displaying a Portal page issued by the Portal server, and inputting the user information in the Portal page and then sending an authentication request, thereby realizing the Portal service access. When a terminal accesses one SSID in the local area network, the corresponding internet surfing request is intercepted and is redirected to a Portal URL corresponding to the SSID, so that users finish the authentication according to the prompt of the corresponding Portal page, and accordingly, a practical problem of correlating different SSID with different Portal services is solved, the portal service realization is simple and convenient, and the demands of various wireless network operators are satisfied.

The invention relates to a double-sleeper tamping device which is used for tamping railway ballast beds and provided with limits conforming to a sleeper paving interval standard. The technical basis of the double-sleeper tamping device is the double-sleeper tamping device of PLASSER&THEURER company of Austria (details are seen in the first segment of the third chapter of a book called Levelling and Dialling Ballast Tamping Vehicle which is published by China Railway Publishing House and belongs to railway worker on-the-job training materials compile for universal use and of which international standard book number is ISBN 7-113-02542-0).The double-sleeper tamping device disclosed by the invention has the technical key points that a rectifying and reforming scheme is put forward for solving problems existing in the original design, and an outer tamping arm is limited to swing in limits determined by the sleeper paving interval standard, so that multiple double-sleeper tamping devices can be sequentially mounted on a tamping vehicle frame. The invention aims to realize the purposes that the technical properties of the double-sleeper tamping device are improved, the manufacturing cost is reduced, and the double-sleeper tamping device becomes alternate components of like products and becomes mating components of tamping vehicles with higher working efficiency researched and developed by complete machine manufacturers.

The invention discloses a soil conditioner based on secondary use of chemical phosphorus tailings and a preparation method of the soil conditioner. The soil conditioner is prepared from the following components in parts by mass: 30 to 70 parts of biological active carbon, 20 to 30 parts of weathered coal, 30 to 60 parts of the chemical phosphorus tailings and 5 to 10 parts of kaoline. The chemical phosphorus tailings consist of the following materials in percentage by mass: 35 to 45 percent of calcium oxide, 50 to 60 percent of sulfur trioxide, 2 to 6 percent of silicon dioxide, 0.1 to 0.3 percent of aluminum oxide, 0.1 to 0.3 percent of ferric oxide and 0.01 to 0.03 percent of magnesium oxide. A saline-alkali soil conditioner which serves as an effective component is added into the chemical phosphorus tailings to realize acid-alkali neutralization, so that on one hand, secondary use of wastes is realized, and on the other hand, the environment around a factory can be gradually improved; meanwhile, the added biological active carbon is a product obtained by recycling agricultural and forestry wastes; compared with the conventional modes such as direct combustion and biological returning to the field, the mode of converting straws of agricultural and forestry crops into the biological active carbon has the advantages that the resource utilization rate can be effectively increased, and no pollution to the environment can be caused.

The invention belongs to a recommendation method, and particularly relates to a remote sensing satellite data personalized recommendation method. The method comprises the following steps: firstly, obtaining satellite description information, user information and priori knowledge between user industries and data types by constructing a satellite resource pool and an expert knowledge base; then, according to the user information and the recent behavior data of the user, sorting the remote sensing satellite data by adopting a comprehensive recommendation algorithm to obtain a recommended data list; and finally, recommending the satellite data meeting the requirements of the user or being interested by the user to the user. The remote sensing satellite data recommendation system has the remarkable effects that (1) by utilizing the remote sensing satellite data recommendation system, a user does not need to provide clear input; and (2) by analyzing historical behaviors or working fields of the user, data capable of meeting requirements and interests are actively recommended to the user, continuous and personalized services are provided, a data interaction mechanism is converted, and the problem of reliability of remote sensing satellite data services is solved.

A total price automatic calculator of dining room selling dishes provided by the invention comprises a pedestal, a signal line, a single-chip microcomputer, a display and an induction piece. The pedestal is in a groove shape, the groove is provided with a weight sensor and a RFID sensor, parts are connected through the signal line; the display is provided with a buzzer and an indication lamp, and the induction piece corresponds to the display and is connected with the RFID inductor through induction signals; and when the single-chip microcomputer detects the induction signals of the pedestal and the reduced weight, the single-chip microcomputer sends corresponding dish prices to the display, the buzzer and the indication lamp emit prompts, and the dish prices are accumulated until the withholding is successful and the display is automatically resetted. The induction piece is pasted at the bottom of a spoon at usage, the plastic dishes containing vegetables to be sold are disposed on the pedestal, and the prices of the vegetables to be sold are set in advance; the spoon is used for fetching the vegetables, the induction piece is able to close to the RFID inductor and the weight of the plastic dishes may be reduced, the single-chip microcomputer detects the induction piece signals and the weight reducing signals, and the prices of the vegetables are sent to the corresponding display; and the assigned device emits a prompt, the prices of the vegetables are accumulated until the withholding is successful, and the display is automatically resetted.

The invention provides an inclined target detection method and device based on a yolv3 algorithm and a storage medium, and the method comprises the following steps: obtaining a picture containing a detection target, and respectively generating a training set A and a verification set B; labeling the detection targets in the training set A and the verification set B one by one by using rectangular frames at any angle; training an improved yolov3 algorithm by using the training set A, wherein the improved yolov3 algorithm is an algorithm obtained by improving an anger frame, IOU calculation and frame regression on the basis of an original yolov3 algorithm so as to adapt to inclined target detection; then selecting a weight model with the best effect and the best generalization ability throughthe verification set B; and transplanting the improved yolo v3 algorithm to the NVIDIA Jetson TX2, and loading the trained optimal weight to carry out real-time detection on the target in the picture. According to the invention, common vertical target detection can be processed, and detection of an inclined target can also be processed.

In a cloud picture distribution type video classification method, cloud picture distribution type video classification is performed by use of multiple interdisciplinary algorithms, the defect that classification which is truly completely based on a video content cannot be performed for video classification at the present stage is compensated and the shortcoming of insufficient efficient rapid operation in various video classification algorithms is overcome. A key word cluster storage based on image mode recognition and speech recognition is established by use of cloud picture distribution fordimension-reduction classification. While possessing efficient and rapid classification, the classification based on the video content is truly performed, and the method can be used for establishing amore comprehensive video retrieval work bank based on the practical video content.

The invention discloses a water evaporating cooling device, which applies the principles of human bionics to imitate human sweat secretion. The device is a bionic cooing device, which uses no fuel, causes no environmental pollution, and has no impact on the environment temperature. The device is capable of cooling the surface of any physical structure on the earth's surface, and is also applicable to the technical fields of industrial wastewater treatment, and the like. The device is provided with a water-proof physical structure 20, the outer surface 21 of which is covered with an evaporation layer 1 with hydroscopic property; tap water 43 with the flow regulated by a switch 46 overflows through an outlet 45 and is evenly distributed in the evaporation layer 1; in the water evaporation 16 process and water distribution 17 process, water molecules 15 in the evaporation layer 1 continuously distributes the heat absorbed by an evaporation surface 5 and a lamination baffle surface 2 into the environment 6; the heat in the physical structure 20 and the physical structure interior 19 is continuously distributed into the environment 6 through a physical structure exterior surface 21, the lamination baffle surface 2, the evaporation layer 1 and evaporation surface 5, thus reducing the physical structure interior temperature 18 to below the environment temperature 19 and achieving the purpose of bionic cooling.

The invention provides a transmission device for a regenerated cellulose film forming machine, which is characterized in that the side end of a paper guide roller with bearing seats at two ends is intransmission connection with a motor with a speed changer through a coupling, and the motor is connected with a frequency converter through a circuit. The transmission motor is connected through the frequency converter, and the operation speed can be adjusted through the frequency converter during use, so that the process speed change of the paper guide roller in production can be met.

The invention provides a tramcar crossing cooperative control method considering a platform stopping time. A four-phase level crossing is taken as a research object, tramcars all adopt a walking mode that the tramcars are switched from the middle of a road to the middle of another road, the different distributing positions, relative to the level crossing, of the platform are taken as a classification standard, a line cooperative passing strategy is provided for the tramcars by adopting a mode which combines tramcar speed adjusting, platform stopping time adjusting and a single road intersection control strategy, and the parking probability of the tramcars at level crossings is reduced as much as possible. According to the tramcar crossing cooperative control method considering the platform stopping time, in consideration of the actual running states of the tramcars, and the tramcars are relatively prior to social vehicles in the running process; and the running efficiency of the tramcars in the whole line can be improved, the mutual conflict between the tramcars and the social vehicles is avoided, and further green development of urban public transportation is promoted.

The invention discloses an olefin catalytic cracking reaction system and method. The system includes an expansion machine unit; the expansion machine unit includes an expansion machine; a pre-hydrogenation reactor outlet pipeline is divided into two branches, one branch is connected with a pre-hydrogenation circulation pump and then is connected with a pre-hydrogenation cooler, and the other branch is connected with a pre-hydrogenation feeding and discharging heat exchanger and then is connected with a catalytic cracking feeding vaporization tank; the top of the catalytic cracking feeding vaporization tank is connected with the expansion machine, and an outlet of the expansion machine is successively connected with the catalytic cracking reaction feeding and discharging heat exchanger and a feeding heater and then is connected with a catalytic cracking reactor. The method comprises that a pre-hydrogenation reaction discharging material is directly heated and evaporated without reduction of a pressure, and after evaporation, the pressure is reduced to a catalytic cracking reaction required pressure via the expansion machine. The method of firstly heating evaporation of the pre-hydrogenation reaction discharging material and then taking the evaporated material as an expansion machine working medium for driving a machine pump is used for replacing a conventional flow method of firstly reducing the pressure and then evaporating, the pressure potential of the pre-hydrogenation reaction discharging material is used for applying work, and thus the purposes of reducing energy consumption and saving operating cost are achieved.

The invention is suitable for the technical field of data processing, and provides a multi-point display method and device based on an intelligent blackboard and terminal equipment. The method comprises the steps that it is detected that multiple objects exist at the position away from the intelligent blackboard by a preset distance through a sensing device, and the position coordinates of each object in the multiple objects are determined; a processing unit determines the size of each object and the distance between any two objects based on the position coordinates; the processing unit determines one or more effective objects in the plurality of objects according to the size of each object and the distance between any two objects; the processing unit collects contact information of effective objects on the intelligent blackboard through the sensing device; and the processing unit sends the contact information to the display equipment, so that the display equipment displays the handwriting of the effective object on the intelligent blackboard based on the contact information. According to the invention, the requirements that multiple persons write at the same time and the writers are commented in sequence after writing are met, and the practical problems in teaching and conferences are solved.