74results about How to "Avoid controversy" patented technology

The invention relates to an all-weather on-site law enforcement recorder, pertaining to the technical field of digital audio visual technologies. The recorder is a novel electronic product used for representing a true law enforcement site and shooting to obtain evidences by law enforcement officials. The speech transmitting and receiving function is realized by connecting the recorder with an interphone by a special connecting line. The recorder comprises a shell and a circuit board fixed in the shell, wherein, the circuit board is provided with a control component and solid state software; the front side of the shell is provided with a horn, an infrared sensitive camera lens, an infrared sensitive switch, an infrared LED lamp, an infrared coated lens, a telephone transmitter microphone and a recording microphone; the back side of the shell is provided with an LED display screen and a reset switch; the two sides of the shell are provided with an externally-connected electric megaphone button, a video button, a power-on button, a shutter button, a power interface, an audio-video output interface and a USB interface; and the middle position of the lower part of the recorder is provided with an interphone connecting line jack. The recorder can attest for the normative law enforcement behavior on site, avoids the complaint of subreption, and finds the fairest eyewitness with good social and economic benefits.

The invention relates to a distribution center ex-warehouse rechecking method based on commodity weight. A standar deviation sigma k, a maximum Wmaxk, a minimum Wmink, the average weight of single samples of commodities and identification information and auxiliary information of the corresponding commodities are bound and stored in a database, and the weight WC of containers and corresponding container identification information and auxiliary information are stored in the database; an electronic picking form is issued from a warehouse management system, varieties, quantity and container identification information of the actual picked commodities are bound and stored in the database, the weight Wt of each picked commodity and the corresponding container identification information are bound and stored in the database, an automatic rechecking module obtains the container information of the picked commodities needing to be rechecked through a reader and calls out the relative information, calculating comparison and judgment are carried out, and if the picked commodities pass the recheck, bounding of the electronic picking form and the picked container identification is eliminated. Automatic rechecking is high in accuracy and quick, ex-warehouse efficiency of a distribution center warehouse is effectively improved, cost is low and the application range is wide.

The invention discloses a heat metering control system based on indoor and outdoor temperature differences and a heat metering proportional calculation and control method. The heat metering control system based on the indoor and outdoor temperature differences comprises an indoor temperature adjustment and control device, an electrically operated valve, a heat meter, an outdoor air temperature probe, an integrating instrument and a computer terminal, wherein the electrically operated valve is installed on a heat supply pipeline in a heat consumer room and connected with the indoor temperature adjustment and control device; the indoor temperature adjustment and control device is connected with the integrating instrument; the heat meter is installed on a heat supply pipeline of a building or a community and is connected with the integrating instrument; the outdoor air temperature probe is connected with the integrating instrument; the integrating instrument is connected with the computer terminal. The indoor and outdoor temperature differences serve as heat metering bases to be led into the most important thermotechnical parameter 'an outdoor air temperature', thus a linear relation is presented by heat consumption and the indoor temperature, the facts that heat is accurately calculated and shared fairly and reasonably are guaranteed, and 'the equal temperature and the equal cost' are realized.

The invention provides a BIM-technology-based construction manpower management system comprising a manpower management system unit. Manpower information of the manpower management system unit is associated with a building information model established by a BIM technology to form a BIM-technology-based construction manpower management system. The manpower management system unit consists of a manpower plan management module, a labor contract management module, an education and training management module, an access control system management module, an on-site dynamic management module and a labor wage management module. In addition, the invention also provides a construction manpower management method. The method includes: step A, making early-stage preparation for creating a BIM-technology-based construction manpower management system; step B, creating a BIM-technology-based construction manpower management system; and step C, carrying out dynamic management of the BIM-technology-based construction manpower management system. Therefore, after a construction project uses the system, key information of the manpower management is obtained simply and rapidly, so that refined management of the construction manpower can be realized.

The invention discloses a vehicle trajectory tracking method, device and equipment and a storage medium. The method comprises the steps of obtaining the data of a plurality of frames of images photographed by a camera for a vehicle and the data of a plurality of frames of point clouds detected by a millimeter-wave radar for the vehicle when the vehicle is detected to enter a parking region on a road side, in the multi-frame image data, fusing the color histogram of the vehicle with particle filtering to calculate a first driving trajectory of the vehicle moving in the parking region, calculating a second driving trajectory of the vehicle moving in the parking region based on the multi-frame point cloud data by referring to a coordinate conversion relationship between the camera and the millimeter-wave radar, splicing the first driving trajectory and the second driving trajectory to determine a target driving trajectory of the vehicle moving in the parking region, and comparing the target driving trajectory with the parking space in the parking region so as to execute parking-related business operation on the vehicle entering or leaving the parking space. According to the scheme, vehicle behaviors in the parking region can be detected in real time, and certificates are provided for business operation.

The invention discloses a winter wheat dry-hot wind insurance weather index calculation method. The method comprises the following steps: the raw data of dry-hot wind are extracted; winter wheat grainfilling is divided into three stages: the early filling stage, the middle filling stage and the late filling stage, and the historical average lasting days of each stage are also divided; the corresponding raw data of the dry-hot wind years in different stages of grain filling are screened so as to determine the yield reduction rate caused by the dry-hot wind; the dry-hot wind insurance weather index is constructed; the regression model is established according to the relationship between the yield reduction rate and the dry-hot wind insurance weather index so as to determine the weather index insurance premium rate; and the revised premium rate of the insurance weather index is determined through combination of the result of dry-hot wind disaster risk zoning. Separation and segmentationof the meteorological yield of the winter wheat are performed and the influence of the meteorological disaster during the filling stage is extracted so as to be favorable for scientifically identifying the influence of the single disaster species on the yield; and the situation of lack of insurance index products in the late growth stage of the wheat can be compensated so as to have a positive significance to avoid the dry-hot wind disaster risk of the winter wheat and protect the economic interests of farmers.

The invention provides a parking space locking device based on laser distance measurement and a distance measurement method thereof. The parking space locking device comprises a master control box, amotor control box and a lock body. The master control box is internally provided with a master control unit, a rotatable laser distance measurement unit, a wireless communication unit and a call button. The master control unit is connected with the rotatable laser distance measurement unit, the wireless communication unit and the call button. The motor control box is internally provided with a motor control unit, a direct-current speed reduction motor, a worm wheel and worm device and a power unit. The motor control unit is connected with the direct-current speed reduction motor, and the direct-current speed reduction motor is connected with the worm wheel and worm device. The lock body comprises a transmission shaft, an overturnable vehicle wheel baffle and a support seat. The support seat is located below the transmission shaft, and the transmission shaft is connected with the overturnable vehicle wheel baffle. According to the parking space lock based on laser distance measurement and the distance measurement method thereof, the low-cost laser distance measurement technology is introduced; whether the parking space occupation state and the parking in-position state are standardor not is detected; and the problems that parking in-position standardability detection is not provided for existing parking space locks, so that operating cost is high, and unattended charging cannotbe achieved are solved.

The invention provides an auxiliary basketball shooting scoring system based on an infrared technology and a wireless sensing technology. The auxiliary basketball shooting scoring system utilizes infrared sensors, a pressure sensor and a wireless multi-media node to collect data and submit information to a miniature processor which processes the information and finishes the analysis and processing of the data so as to finish a scoring function. In the basketball shooting process, first, the variation of force is sensed by the pressure sensor, and the serial number of the pressure sensor and the moment that the sensor senses the variation of the force are submitted to the processor; then, when the upper and lower infrared sensors mounted on the same basket board sequentially detect that a basketball passes in a specified time range, information is transmitted to the processor, and corresponding scoring processing is carried out by the processor according to the information submitted by the infrared sensors, the pressure sensor and the wireless multi-media node. The method provides a novel thought for the research and development of the scoring system in a basketball match process, and effectively solves dispute problems caused by labor waste and manual scoring.

The invention belongs to the field of cloud computing resource management, and relates to a distributed data storage, point-to-point transmission and consensus mechanism technology, in particular to adistributed data transaction accounting system based on a block chain. A front-end processor container is used as a communication tool to send and receive transactions among all physical machines; analliance chain is built by using an open source Hyperledger Fabric; a Monitor is writtenby using java to write the transaction information into a block chain; rich query is carried outby using a couch db database; and the block generation information is visually displayed by using an open source tool fabric-explorer. According to the invention, the problems of over-centralization, lack of trust,possible modification of data in a transmission process and the like of traditional data storage are solved, and consistent, tamper-proof, automatic and efficient bill recording, account book storageand intelligent clearing are realized.

The invention discloses an Android device-based power user mounting detection method. The method comprises specific detection steps: a detector and a detection management terminal are connected, and the used detector is numbered via the detection management terminal; a phase outgoing line of a watt-hour meter is unloaded; the detector is respectively connected with the phase outgoing line of the watt-hour meter and a zero outgoing line; wiring at the watt-hour meter side by the detector is completed; the detection management terminal and a connected detection line are carried to the home; the other end of the detection line is connected with a line incoming end of the user, and the home number is obtained through the detection management terminal; the home number obtained by the detection management terminal is compared with the number of the detector by the detection management terminal in the first step, steps from the fourth to the sixth are repeated in the case of consistency, next home detection is carried out, and if not, fault judgment is carried out on the home. The method of the invention has the following advantages that matching of any point between the outgoing line of the watt-hour meter side of a single-phase or three-phase user and a to-the-home line and line troubleshooting can be quickly and conveniently realized, and the high-efficiency operation by a single person can be ensured.

The invention discloses an electronic data security system and method based on a mobile terminal, the system comprises a server and a client, the client is arranged on the mobile terminal, and the client comprises an identity authentication module and a password security module; the server comprises a data preservation module; the server carries out local encryption storage on the security electronic data original text, the original text hash value, the digital signature information and the identity authentication information; meanwhile, the hash value of the preserved electronic data and the summary data are uploaded to a third-party judicial evidence storage mechanism for evidence storage; and when authentication is needed, a hash value of the preserved electronic data original text which is locally encrypted and stored is calculated, the hash value and a hash value stored by a third-party judicial evidence storage mechanism are checked and whether the data is tampered or not is judged. Legality and authority of the preserved electronic data can be ensured, and fair electronic evidence with legal efficacy can be obtained.

The embodiment of the invention provides a method and a device for evaluating a vehicle loss recognition model, and the method comprises the steps: firstly, obtaining a test sample, a vehicle loss picture corresponding to the test sample, and a plurality of groups of annotation data, and the plurality of groups of annotation data being generated by annotating the vehicle loss picture at least based on a plurality of annotation personnel; then determining an intersection and a union of multiple groups of labeled data, and determining a significant damage object set in the test sample accordingto the intersection; and determining a non-significant damage object set in the test sample according to the difference between the intersection and the union. In addition, the vehicle damage pictureis input into a pre-trained vehicle damage recognition model, and a predicted damage object set output by the model for the test sample is obtained. Therefore, the test result of the vehicle damage identification model on the test sample can be determined according to the relationship between the predicted damage object set and the significant damage object set and the relationship between the predicted damage object set and the non-significant damage object set.

The invention relates to a method, device and system for connecting multiple servers to an intelligent household appliance, and the method, device and system belong to the field of intelligent equipment. The method comprises the steps that a communication connection is established respectively with the N servers, wherein the N is an integer which is bigger than or equal to two; the N servers belong to different merchants; information related to the intelligent household appliance is generated; the information related to the intelligent household appliance is sent respectively to the N servers; and the multiple servers are enabled to acquire the information which is generated by the intelligent household appliance and related to the intelligent household appliance, so that disputes among the merchants are avoided.

A Python-based engineering quantity bill accuracy verification method comprises, with a Python library, an application software data import unit, a data export unit and a comparison unit in a PC serveas verification tools, the following steps: S1, determining a quantity bill excel file of which the accuracy needs to be verified in a predetermined field; S2, converting the engineering quantity bill excel file into a Data Frame and a list; S3, splitting the engineering quantity bill project name and the engineering quantity bill project feature description bill item by item; S4, finding out anengineering quantity bill of which the engineering quantity bill project name is not matched with the engineering quantity bill project feature description; and S5, exporting the unmatched engineeringquantity bill in the form of an excel file. The work efficiency is improved, and the compiling quality of an engineering quantity bill is improved. Meanwhile, the professional risk avoiding capability of a cost consulting enterprise is enhanced. Based on the above, the method has a good application prospect.

The invention provides a time-based client application control method and system. The method comprises the following steps: a current date and a service life of a client are set, and the client is provided for a user to use; the use time of the client is calculated and whether the use time of the client reaches the service life is judged; if so, the client is locked and the user is prompted to input an unlock password; the user purchases and input the unlock password from a seller, and the client performs unlocking according to the unlock password and resets service life or sets permanent service life. According to the invention, unlocking can be rapidly and accurately performed, the service life can be reset, the arrangement of the service life is more convenient and intelligent; part of manpower and communication costs are reduced, the dispute of parts of money between the user and the seller can be effectively avoided, and the safety performance of mutual transaction is improved.

The invention discloses a correction calculation method for an energy saving amount assessment test of a low-temperature economizer system. The correction calculation method comprises the steps: a, conducting performance tests under the working conditions of low-temperature economizer input and output according to ASME PTC6-2004 Steam Turbine Performance Test Regulations; b, calculating the actually measured heat consumption rate HRt of the steam turbine under the two working conditions; c, correcting the inlet flue gas temperature T7, the flue gas flow Mg, the flue gas specific heat capacityCg, the water supply main pipe flow F3 and the water supply main pipe temperature T3 by adding additional sub-loop iteration in the first type of correction calculation under the input working condition of the low-temperature economizer; d, carrying out second-class correction calculation to obtain the corrected heat consumption rate of the steam turbine under the two working conditions; and f, calculating the corrected heat consumption rate difference value under the two working conditions to obtain the energy-saving effect of the low-temperature economizer. According to the correction calculation method, the operation boundary condition of the low-temperature economizer can be corrected to a design value in the energy-saving amount assessment test of the low-temperature economizer system, so that the bifurcation or dispute of buyers and sellers to the energy-saving amount acceptance test result of the low-temperature economizer is avoided.

The invention discloses a feature label recognition and quick view system based on a smart camera, comprising at least one smart camera and a corresponding client. The smart camera comprises a featurerecognition and processing module, a main control chip, a feature tag database, and a network transmission module. The feature recognition and processing module is configured to identify the featuretag; the main control chip determines the start time and the end time corresponding to the feature tag according to the identified feature tag, and saves the feature tag information and its corresponding start time and end time in the feature tag database; and the network transmission module is configured to establish a data connection with a client, and the client obtains a video segment determined according to the start time and the end time by using the smart camera. The system can realize the identification and quick viewing of the feature tag, thereby greatly improving the service qualityand management level and improving the user experience.

The invention discloses a port water sampler and a use method thereof. The port water sampler is totally of a cylindrical shape and comprises a cylinder body, a shield cover, an inner cover and an operation line, wherein one end of the cylinder body is opened, the other end of the cylinder is sealed, the shield cover is rotationally covered at an opening end of the cylinder body, the center part of the shield cover is provided with a through hole with a regular shape, the inner cover at least comprises a disk part which can seal and block the through hole with the regular shape, the diameter of the disk part is larger than a biggest distance between two optional points on the through hole and is less than the inner diameter of the cylinder body, the center part of the inner cover is provided with a structure for fastening the operation line, and the inner cover is arranged in the cylinder body through the operation line which is fastened on the inner cover and penetrates through the through hole with the regular shape. The port water sampler disclosed by the invention solves the problem that the port water density value cannot be accurately measured as the traditional port water sample cannot sample standard water sample, the contentions and the disputes caused by the situation that the port water density value cannot be accurately measured can be feasibly avoided, and the port water sampler disclosed by the invention has the advantages of simple structure, convenience in use and standard and efficient sample.

The invention discloses a quick access method and a monitoring system for monitoring video, which relate to the field of traffic control. The method comprises the following steps: connecting a plurality of monitoring cameras arranged on a road to a monitoring network, and setting a two-dimensional code matched with the two-dimensional code under each monitoring cameras; the user scanning the two-dimensional code to log on the monitoring network through the intelligent terminal; The user calling the surveillance video of the corresponding surveillance camera from the surveillance network through the intelligent terminal in a specified time. The invention has the beneficial effects that the public and the law enforcement personnel are allowed to access the on-site monitoring video at the first time after the accident, and the emergencies occurring in the public places (such as traffic accidents, blackmailing, loss of citizens, kidnapping, etc.) are quickly handled. At the same time, a bridge between the public and law enforcement personnel is established to improve the efficiency of handling emergencies, disputes are resolved as soon as possible, and traffic congestion, missing or casualties and other serious consequences are prevented.