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75results about How to "Fair Use Guaranteed" patented technology

Method for judging life of air purifier filter screen

The invention discloses a method for judging the life of an air purifier filter screen, wherein the method comprises the following steps: determining the dust containing capacity M of the selected purifier filter screen through tests, determining the initial filtration efficiency eta0 of the filter screen and the filtration efficiency eta1 of the filter screen when the service life is ended, determining the purifier running air volume Q, assuming an actual working time, and reminding a user to replace or clean the filter screen. In the premise without addition of extra cost, according to easily acquired data including the purifier running air volume Q, the filter screen filtration efficiency, the working time and the like, and through a reasonable operation mode, the user can be accurately reminded to replace the filter screen, so as to prevent the user from untimely replacing the filter screen so as to prevent waste, or prevent the user from replacing the filter screen too late so as to prevent from causing bad effect or even causing secondary pollution; even the filter screen works in different seasons, different regions and different pollutant concentrations, the replacement time of the filter screen also can be reasonably prompted to ensure the reasonable use of the filter screen and not to cause waste.
Owner:FOSHAN CITY FOREST PURIFICATION TECH CO LTD

Method and apparatus for determining optimal route based on navigation map

The invention provides a method and an apparatus for determining the optimal route based on a navigation map. With the method and the apparatus of the present invention, the user can achieve greater freedom, the road restriction information can be prompted, the vehicle type factor can be considered, the user can select the passing-through road section end point order, and the optimal travel route can be obtained according to the user selection. The method comprises: 1, reading map data according to a navigation map access request; 2, receiving input navigation information; and 3, adopting the starting point of a travel as a reference point, determining the end point nearest to the starting point of the travel in the passing-through road section as a first end point, adopting the road section between the starting point and the first end point as a first road section, adopting another end point in the passing-through road section with the first end point existing as the new reference point, repeatedly performing the operations in the step 3 on the end points of other passing-through road sections, adopting the road section between another end point of the final passing-through road section and the ending point of the travel as the N-th road section, and connecting all the road sections and the passing-through road sections as the optimal route.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Intelligent capacity expanding and shrinking method and device, computer equipment and storage medium

The invention provides an intelligent capacity expanding and shrinking method and device, computer equipment and a storage medium. The method comprises the steps that S1, acquiring historical resourceload data of a system; S2, predicting the resource demand quantity of the system at the next moment according to the historical resource load data; S3, calculating a difference value obtained by subtracting the resource quantity at the current moment from the resource demand quantity at the next moment of the system, executing a step S4 if the difference value is positive and the ratio of the difference value to the resource quantity at the current moment is greater than a preset capacity expansion percentage, and executing a step S5 if the difference value is negative and the ratio of the absolute value to the resource quantity at the current moment is greater than a preset capacity shrinkage percentage; S4, increasing the resource quantity of the system to be matched with the resource demand quantity at the next moment; and S5, reducing the resource quantity of the system to be matched with the resource demand quantity at the next moment. The method can ensure that the system has sufficient resource quantity when the resource demand is increased, avoid the situation of resource shortage or resource supply lag, and also can protect the system to release idle resources when the resources of the system are surplus.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN

Access authentication method of electric automobile

The invention relates to an access authentication method of electric automobiles. The method comprises the following steps that: access authentication systems of the electric automobiles are established; access authentication between the electric automobiles and a charging station is carried out; and the charging station carries out batch signature authentication on the electric automobiles. According to the invention, identity aggregate signatures are introduced into identity validity inspection of the electric automobiles, and bidirectional authentication and session key negotiation are designed between the electric automobiles and the access authentication systems, so that the reasonable usage of the information resources in the station is ensured, and the safety of the whole network system is fundamentally ensured. The batch signature authentication mechanism enables the charging station to verify a plurality of electric automobile terminal signatures in the aggregate manner, the calculation load is lightened, and the performance is improved. The typical identity aggregate signature system is composed of five algorithms: system initialization, private key generation, signing, aggregation and aggregate verification, user identity information can be used to replace a public key thereof, the problem of high certificate cost is solved, and by compressing the plurality signatures into one, the high-efficiency verification is carried out.
Owner:STATE GRID CORP OF CHINA +2

Heating fabric based on flexible thick-film heater and temperature control method thereof

The invention provides a heating fabric based on a flexible thick-film heater and a temperature control method thereof. The heating fabric comprises a fabric layer and at least one flexible base material layer, wherein a heating thick-film circuit is sintered on one of the flexible base material layers and arranged on the flexible base material layers in a folding-back or tiling manner; the flexible base material layers are bonded with the fabric layer through a bonding layer, and the heating thick-film circuit is between the flexible base material layers and the fabric layer; the flexible base material layers are made from a relatively thin polyester/polyimide/polyether imide material; the bonding layers are made from a hot-press bonding material; and a thick-film temperature control circuit with the PTC effect is arranged around the track of the heating thick-film circuit and connected with a temperature control device, and the temperature control device controls power output to the heating thick-film circuit through examining resistance changes of the thick-film temperature control circuit. According to the heating fabric, temperature control in different temperature stages can be realized through the PTC effect of the thick-film temperature control circuit, so that power output in different stages can be carried out.
Owner:GUANGDONG FLEXWARM ADVANCED MATERIALS & TECH CO LTD

Resource scheduling method and device in heterogeneous network

The invention discloses a resource scheduling method and device in a heterogeneous network. The method comprises the following steps: determining whether a to be scheduled terminal is an edge user of a micro station and whether the to be scheduled terminal is interfered by an adjacent macro station; if the to be scheduled terminal is an edge user of the micro station and interfered by an adjacent macro station, determining an interference macro station set interfering the to be scheduled terminal; determining an ABS sub-frame used by the to be scheduled terminal according to nearly blank sub-frame ABS pattern sent by each macro station in the received interference macro station set. The edge user interfered by the macro station is determined through the method disclosed by the invention so as to purposefully distribute the ABS sub-frame for the user; the interference macro station set of the to be scheduled terminal is determined so that the micro station is capable of distributing the ABS sub-frame sent by the corresponding interference macro station to the to be scheduled terminal to use; not only the reasonable use of the ABS sub-frame is guaranteed, but also the service quality of the to be scheduled terminal is effectively improved, and the aim of realizing interference coordination between the micro station and the macro station is achieved.
Owner:广州京信通信科技有限公司

Environmentally-friendly flexible polyvinyl chloride cable sheath composition

The invention discloses an environmentally-friendly flexible polyvinyl chloride cable sheath composition. The environmentally-friendly flexible polyvinyl chloride cable sheath composition is prepared from, by weight, 20-30 parts of bisphenol, 12-30 parts of stearic acid, 22-30 parts of ABS resin, 28-36 parts of polyvinyl chloride resin, 9-20 parts of ABS high-glue powder, 8.9-12.6 parts of an antioxidant 1035, 25-36 parts of maleic anhydride grafted ethylene, 5-9 parts of a vinyl acetate copolymer, 6-16 parts of mullite powder, 13-22 parts of asbestos powder, 31-39 parts of calcium carbonate, 10-15 parts of perlite, 9.3-15.2 parts of poly acid ammonium, 35-38 parts of pentaerythritol, 25-39 parts of antimony trioxide slightly crosslinked resin, 19-39 parts of a flame retardant, 10-20 parts of a flame retardant synergist, 20-26 parts of chlorinated rubber, 8.2-18.6 parts of an ultraviolet light absorber, 15-22 parts of a stabilizer, 30-35 parts of a lubricant, 42-49 parts of a calcium carbonate material and 55-59 parts of a polypropylene material. The environmentally-friendly flexible polyvinyl chloride cable sheath composition is simple in technological process and reasonable in raw material proportion, has good thermal insulation and fire proofing property, ensures the normal use of a cable, prolongs the service life of the cable, is good in use effect and guarantees the quality of a cable product.
Owner:ANHUI HUATIAN CABLE

Method suitable for balancing cloud platform computing resources

The invention relates to the technical field of cloud computing, in particular to a method suitable for balancing could platform computing resources. The method comprises the steps that firstly, according to the applications operating at present, the average needed computing resources of each application are obtained through statistics; secondly, a preset resource ratio and a predication period are set; thirdly, the average number of the applications added every day is collected, and the average needed computing resources for updating each application are collected; fourthly, the number of currently balanced computing resources is computed; fifthly, the current cloud platform computing resources are counted; sixthly, the computing resource balancing index is obtained by subtracting the number of the current computing resources from the number of the balanced computing resources; seventhly, if the computing resource balancing index is larger than zero, it means that the number of the current computing resources can meet the demand for the application adding in the predication period, and if the computing resource balancing index is smaller than zero, it means that the number of the current computing resources cannot meet the demand for application adding in the predication period, and the computing resources need to be increased in advance. By the adoption of the method suitable for balancing the cloud platform computing resources, reasonable use and advanced judgment of the cloud platform computing resources are achieved, and the method can be used for management of the cloud platform computing resources.
Owner:G CLOUD TECH

Electric cruise ship navigation energy consumption prediction and control method

The invention discloses an electric cruise ship navigation energy consumption prediction and control method. The method comprises the following steps: S1, setting cruise ship navigation time; S2, acquiring navigation information in real time; S3, loading historical navigation information; S4, calculating total energy consumption required by cruise ship navigation; S5, calculating uplink and downlink energy consumption of the cruise ship; S6, cruise ship navigation speed planning: according to the calculation formula of the total energy consumption of navigation and the energy consumption of the ascending and descending processes, combining with the constraint condition, taking the minimum total energy consumption required by the navigation of the cruise ship at the t moment as a target condition, calculating to obtain the current optimal speed value of the cruise ship, and meanwhile, obtaining the minimum total energy consumption required by the cruise ship at the t moment; s7, planning the openness of recreational facilities; and S8, cruise ship navigation energy consumption control: controlling the cruise ship navigation speed and the recreational facility power according to the ascending or descending real-time navigation speed calculated by the system and the recreational facility openness.
Owner:武汉长江船舶设计院有限公司 +1

Fresh air ventilator capable of reversing airflow and reversing method

The invention discloses a fresh air ventilator capable of reversing airflow and a reversing method. The fresh air ventilator comprises: a machine shell provided with an air exhaust channel and a fresh air channel, a first air exhaust branch and a second air exhaust branch are formed in the air exhaust channel, and a first fresh air branch and a second fresh air branch are formed in the fresh air channel; a heat exchanger which is arranged in the machine shell, wherein the heat exchanger is connected to the first exhaust branch and the first fresh air branch so as to conduct heat exchange on the waste air and the fresh air; and a reversing valve which is arranged on the air exhaust channel and the fresh air channel, wherein the reversing valve can be switched to a first state or a second state, and responds to state switching to conduct the first air exhaust branch and the first fresh air branch and cut off the second air exhaust branch and the second fresh air branch, or cut off the first air exhaust branch and the first fresh air branch and conduct the second exhaust branch and the second fresh air branch. The waste air and the fresh air can flow through or not flow through the heat exchanger according to needs, reasonable use is guaranteed, the service life is prolonged, and energy consumption of the suction ventilator is reduced.
Owner:SUZHOU GLANCETECH PHOTOELECTRIC SCI & TECH CO LTD

Novel medical nursing oxygen machine

The invention discloses a novel medical nursing oxygen machine, which comprises a device main body, a base, universal wheels, pull rod lifting handles, an operating panel, a display panel, operating keys, an oxygen filling interface, an oxygen bottle, a glass window, a humidifying cup, an air duct, a voltage-stabilizing valve and an oxygen-inhalation mask, wherein the base is arranged at the lower side of the device main body; the lower side of the base is connected to the universal wheels; the pull rod lifting handles are arranged at the upper side of the device main body; the operating panel is arranged at the lower sides of the pull rod lifting handles; the display screen is arranged at the left side of the operating panel; the operating keys are arranged at the right side of the display screen; the oxygen filling interface is formed in the left side of the device main body; and the right side of the oxygen filling interface is connected to the oxygen bottle. The novel medical nursing oxygen machine provided by the invention has the characteristics of being safe and sanitary, simple and efficient; the novel medical nursing oxygen machine is convenient to use and simple in structure; by virtue of the display screen on the control panel, time and amount of using oxygen can be displayed, so that reasonable usage is guaranteed; and with the application of the universal wheels at the lower end and the pull rod lifting handles at the upper end of a chassis, a carrying difficulty can be relieved and working efficiency can be greatly improved.
Owner:姜元超

Host resource dynamic capacity expanding and shrinking method and system

The invention provides a host resource dynamic capacity expanding and shrinking method. The method comprises the following steps: detecting the real-time use condition of resources of a target host; when it is detected that the resource use condition of the target host meets the preset capacity expansion condition or capacity shrinkage condition, sending the resource use condition to target personnel in the form of a message, and notifying the target personnel of making a corresponding capacity expansion plan or a corresponding capacity shrinkage plan; after it is detected that the applicationservice of the target host is paused and a corresponding expansion plan or shrinkage plan is made, carrying out system backup on the target host; and after it is determined that the backup work of the target host system is completed, executing a capacity expansion plan or a capacity shrinkage plan on the target host, and after the capacity expansion plan or the capacity shrinkage plan to be executed is completed, notifying target personnel of starting the suspended application service of the target host and check the suspended application service. By implementing the method and the system, the phenomenon of unreasonable use of existing host resources can be overcome, flexible adjustment and saving of the host resources are realized, and the IT resource purchasing cost of enterprises is reduced.
Owner:SHENZHEN POWER SUPPLY BUREAU

Neutral point disperse grounding type two-terminal direct current bipolar transmission system

The invention discloses a neutral point disperse grounding type two-terminal direct current bipolar transmission system which comprises first pole leads and second pole leads which are symmetrically arranged according to transmission and form a loop. A current converter is respectively arranged between one end of each first pole lead and one end of an adjacent second pole lead and between the other end of the first pole lead and the other end of the adjacent second pole lead, and the current converters are symmetrically arranged. First grounding pole leads and second grounding pole leads which are mutually connected are respectively symmetrically arranged on two sides in the loop formed by the first pole leads and the second pole leads. The neutral point disperse grounding type two-terminal direct current bipolar transmission system further comprises two-terminal direct current systems which are respectively connected between the first grounding pole leads and the second grounding pole leads and are symmetrically arranged. The neutral point disperse grounding type two-terminal direct current bipolar transmission system reduces electric energy loss, has good diversion and transfer effects, is improved in line lightning protection capability, is large in coupling ground wire diversion effect, and greatly improves line lightning protection level; reduces direct current single electrode locking failure occurrence rate, greatly reduces line construction investment, and improves influence on ecological environment; and more importantly, greatly protects ecology in initially planned grounding pole address areas due to removal of grounding-pole pole addresses.
Owner:GUANGZHOU BUREAU CSG EHV POWER TRANSMISSION

Data exchange method and device, electronic equipment and medium

The invention provides a data exchange method and device, electronic equipment and a medium, and relates to the technical field of data processing. The method comprises the following steps: receiving a data exchange request, and carrying out identity authentication on a data requester sending the data exchange request; if it is judged that the data requester passes the requester identity authentication, sending a resource data authorization request to a data owner; and if it is judged that the resource data authorization is obtained, performing resource data access to the data platform side to obtain the to-be-exchanged data, and realizing data exchange. According to the invention, identity authentication is carried out on the data requester sending the data exchange request, the identity compliance of the data requester is ensured, data infringement is avoided, and when the data requester sending the data exchange request passes the requester identity authentication, the resource data authorization request is sent to the data owner; the authorization range of the resource data is controlled by using the principle of the data owner, and then the to-be-exchanged data is obtained, so that reasonable use of the resource data can be ensured, and the security of data exchange is improved.
Owner:山东伏羲智库互联网研究院
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