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101results about How to "Avoid wrong choice" patented technology

Method for grounding and selecting lines of low-current grounding system and device

InactiveCN101539607AIncrease credibilitySolve the problem that it is difficult to obtain a complete transient signalFault locationTransient stateIndustrial engineering
The invention discloses a method for grounding and selecting lines of a low-current grounding system. The method comprises the following steps of: carrying out continuous real-time sampling on zero-sequence voltage and zero-sequence current signals, obtaining sampling data and caching the sampling data; calculating the sampling data, obtaining an effective value in set time interval of the signal, and comparing the effective value with the preset threshold value; when the effective value is larger than or equal to the threshold value, determining a fault starting point, taking the fault starting point as the reference time, analyzing and calculating the sampling data which contains the reference time, and is cached in the time interval with preset length, and determining the line with single-phase grounding fault. The invention also discloses a device for grounding and selecting lines of the low-current grounding system. The invention solves the problem of selection missing and selection error because complete temporal data during the occurrence of fault is difficult to obtain by the prior art, improves the accuracy of temporal line selection and has higher credibility of detection results.
Owner:北京天利继保自动化技术有限公司

Packed cargo delivery system

The invention discloses packed cargo delivery system and method for express delivery enterprises. The system and method are characterized in that the cargo positions are determined by the three-dimensional box and computer and internet technology, so as to realize optimal delivery. According to the system and method, a client submits ordering information through a network system, the ordered cargos are sub-packed, and then workers pack and deliver according to the printed label information and route information; a cargo tank base provides a low-temperature environment, a high-temperature environment and a room-temperature environment for a cavity of the tank, and the cargo delivery variety and scale can be improved after overlapping and combining; before packing, the cargo storage positions are calculated by the localization algorithm program and an unique number is provided; when in delivery, the optimal route can be calculated for a delivery worker by delivery route optimizing program; all information are stored in a system database, a consignee can simply give the cargo position number and then the delivery worker can quickly locate the physical position of the cargo; an intelligent terminal can assist the delivery worker to quickly locate according to the order or the information of the consignee; therefore, the delivery speed and quality can both be improved.
Owner:NANHUA UNIV

Determination method and device for destination address, electronic equipment and storage medium

The embodiment of the invention relates to the technical field of information processing, and discloses a determination method for destination address, which comprises the following steps of: searching in an address library according to a destination address to obtain a plurality of alternative addresses which are positioned in a target search range and meet a preset condition; Comparing each alternative address with the destination address to obtain the address similarity between each alternative address and the destination address; And determining the position information of the alternativeaddress with the highest address similarity as the position information of the destination address. The method comprises the following steps: searching an alternative address related to a destinationaddress in an address library; selecting The position information of the alternative address with the highest similarity as the position information of the destination address, so that the accurate position information of the user address is obtained, on one hand, the user position positioning accuracy is effectively improved, and on the other hand, the distribution transport capacity can be reasonably dispatched according to the accurate position information.
Owner:RAJAX NETWORK &TECHNOLOGY (SHANGHAI) CO LTD

Fault phase selection method of four loop transmission lines on same tower based on phase-angle difference of circulation flow current

The invention discloses a fault phase selection method of four loop transmission lines on a same tower based on phase-angle difference of circulation flow current, which comprises the following steps of: (1) data processing: computing fault current power frequency phasor of each phase of each loop at a line measuring end; (2) decoupling processing: working out a four-loop decoupling transformation matrix of four loop transmission lines on the same tower, carrying out decoupling transformation on the fault current power frequency phasor of each phase of each loop, and working out the power frequency phasor of each sequence of fault current of four modulus of an inflow line at the measuring end of the four loop transmission lines on the same tower; (3) computing the phase-angle difference of the circulation flow current; (4) fault line selecting: establishing criterions for different loop faults and judging fault loops according to the phase-angle characteristics of the circulation flow fault current generated when fault occurs on different loops; (5) computing the phase-angle difference of sequence current; and (6) fault phase selecting: establishing the criterions for the fault of different phases of single loop and distinguishing a fault phase. The method is not affected by system impedance and has the advantage of high accuracy.
Owner:SOUTH CHINA UNIV OF TECH

Control method and device of virtual object, storage medium and electronic device

ActiveCN110075532ASolve technical problems with high operational complexityReduce operational complexityVideo gamesVisual ObjectsHuman–computer interaction
The invention discloses a control method and device of a virtual object, a storage medium and an electronic device, wherein the method comprises the following steps of obtaining multiple objects in the first round of one game operating at a first client, wherein the multiple objects are virtual objects recommended to a first account in the first round, and are used in the fighting stage of the second round of one game, one ground of one game comprises a preparation stage and a fighting stage after the preparation stage, and the first account is an account used on the first client; selecting afirst object belonging to a first object group from the multiple objects, wherein the first object group is an object group recommended to the first account in advance; marking the first object in themultiple objects; when the first object is selected by the first account in the preparation stage of the second round, controlling the first object to take part in fighting in the fighting stage of the second round. According to the control method and device of the virtual object, the storage medium and the electronic device, the technical problem of high operation complexity of visual object selection in related technologies is solved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Small current fault line selection protection system of power grid isolated neutral system

The invention discloses a small current fault line selection protection system of a power grid isolated neutral system. In a typical system which adopts a post-set arc suppression coil controller and a small current fault line selection device which are separate from each other, the system is additionally provided with a grounding overvoltage relay and a time relay. The coil of the grounding overvoltage relay is connected with an open delta voltage signal output end of a busbar potential transformer. The normally open contact of the grounding overvoltage relay is serially connected with the coil of the time relay and then is powered by an external power supply. The normally open contact of the time relay is serially connected between a signal input end of the small current fault line selection device and the open delta voltage signal output end of the busbar potential transformer. The system staggers the dynamic compensation process of a post-set arc suppression coil and process of the small current fault line selection capturing a ground fault, so that the small current fault line selection device is enabled to carry out fault line selection after arc suppression coil compensation residual current is stable, the motion correctness of the small current fault line selection device is improved further, and wrong selection and selection leakage are avoided.
Owner:SHANGHAI JINYI INSPECTION TECH

Data processing method of tourist consumption information

The invention provides a data processing method of tourist consumption information. The data processing method comprises the following steps of: S01, acquiring multiple items of tourist consumption information selected by a traveler; S02, judging the relevance and rationality between the multiple items of tourist consumption information and tourist areas as well as the relevance and rationality among the multiple items of tourist consumption information; S03, acquiring tourist consumption matching information related to judgment results in the step 02 by respectively using an intelligent perception algorithm according to the tourist areas and tourist consumption information around the tourist areas; S04, acquiring recommended consumption information from the tourist consumption matching information through a semantic and emotional oriented recommendation algorithm; and S05, presenting the recommended consumption information to the traveler. The data processing method provided by the invention has the capability of automatically carrying out relevance and rationality judgment and matching around the tourist areas and the peripheral tourist consumption information, thereby rapidly and conveniently finding out tourist consumption meeting requirements, reducing the complexity of Internet tourist consumption and providing rapid and convenient information for different travelers.
Owner:A BA TEACHERS UNIV

Electric power material prefabrication and distribution method based on electronic order mode

The invention relates to an electric power material prefabrication and distribution method based on an electronic order mode, belonging to the technical field of material distribution. The invention adopts the electronic order mode to utilize the order App on the terminal equipment such as tablet computer or mobile phone, electronic orders for material requirements are transmitted over the network, carry out material dispatching and production management, while the project is in progress, the prefabrication and distribution of electric power materials shall be carried out, Improved customer engineering, the timeliness of the examination and approval of material demand plans for emergency repair projects and other materials and the timeliness of the supply of materials, The power outage time is shortened, the material delivery situation can be inquired at any time through the electronic map provided by the third party, the human resources and the operation time can be reasonably arranged, the establishment of the supporting material demand order database reduces the compilation link, and the order can be placed with one key, which is accurate, convenient, efficient, and has high customer satisfaction, and promotes the local economic and social development.
Owner:国网吉林省电力有限公司长春市双阳区供电公司

Automatic grading device for fruits and agricultural products

The invention provides an automatic grading device for fruits and agricultural products, and relates to the agricultural field. The automatic grading device for the fruits and the agricultural products comprises a hopper, wherein the hopper is connected with one end of a grading mechanism; the grading mechanism comprises a V-shaped grading frame; a conveying belt is connected to the grading frame;the conveying belt is in transmission connection with a loading mechanism which is connected with the loading hopper through a transmission mechanism; and a speed reduction screen which is arranged in the length direction of the V-shaped grading frame is arranged below the V-shaped grading frame. According to the automatic grading device for the fruits and the agricultural products, the fruits with different size specifications are enabled to sequentially fall off, and the fruits can be graded according to the sizes in the most elaborate manner; a friction wheel which is connected with the conveying belt is connected with the loading mechanism through a transmission rod, the loading mechanism is enabled to synchronously rotate, and the fruits or the agricultural products can orderly enterinto the V-shaped grading frame, so that missing grading and wrong grading are avoided; and finally a shifting plate in the loading mechanism is designed to be arc-shaped, convex ribs are arranged onthe conveying belt, and the speed reduction screen is connected to the bottom end of the V-shaped grading frame, so that mechanical damage of the fruits in a grading process is avoided.
Owner:太湖县花海果业农民专业合作社

Simple-structure sizing die for optical cable or power cable

The invention belongs to the field of cables, and particularly relates to a simple-structure sizing die for an optical cable or a power cable. The simple-structure sizing die is provided with a base,a supporting unit, a die main body and a fixing member. The simple-structure sizing die is characterized in that the supporting unit is formed by a supporting unit main body, a supporting unit concaveopening is formed in the upper end of the supporting unit main body, a plurality of first fixing holes are formed in the left and right sides, the die main body is located in the supporting unit concave opening, and the fixing member is further arranged above the supporting unit; and the fixing member is formed by a fixing member main body, a fixing member concave opening is formed below the fixing member main body, a plurality of second fixing holes are formed in the left and right sides, bolts are matched with nuts, and the supporting unit is located on the base. The simple-structure sizingdie solves the problem that the die needs to be frequently replaced according to the outer diameter of a cable core, spare dies are many, mistakes are prone to being made during selection and use, and the optimal die may not be selected. The simple-structure sizing die has the advantages that the size of the die main body can be steplessly adjusted, the cost is saved, the die does not need to befrequently changed, the structure is simple, and installation is convenient to achieve.
Owner:CHANGSHU GREATER MECHANICAL PROD DESIGN CO LTD
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