87results about How to "Solve costly technical problems" patented technology

The invention provides an air conditioner filth blockage detecting method and device and a computer readable storage medium. The air conditioner filth blockage detecting method comprises the steps that an air conditioner is controlled to operate when a filth blockage detecting instruction is received, and under the situation that the current indoor temperature is not changed, the first time interval of reducing a preset temperature value of an indoor heat exchanger in the air conditioner is calculated; the current indoor temperature of the air conditioner is obtained, the standard time interval of reducing the preset temperature value of the indoor heat exchanger is determined according to the current indoor temperature in pre-stored data; and the first time interval is compared with the standard time interval, and whether filth blockage of the indoor heat exchanger occurs or not is judged according to a comparative result. According to the air conditioner filth blockage detecting method, by comparing the first time interval with the standard time interval, whether filth blockage of the indoor heat exchanger occurs or not is judged; and operation is simple, any cost does not need to be increased, and the technical problem that an existing air conditioner filth blockage detecting method is high in cost is solved.

The invention relates to a battery module welding clamp and a battery module welding device. The battery module welding clamp comprises a walking mechanism erected on a work table and a downward pressing assembly fixed to the walking mechanism and used for downwards pressing a battery module on the work table when the walking mechanism moves the downward pressing assembly to the welding position. The downward pressing assembly downwards presses the battery module on the work table, and completes operation of single-point pressing of the battery module on the welding position, the clamp does not need to be replaced for products of different structures, the technical problem that modules of different structures need to be pressed by clamps of different structures, and high cost is caused is solved, and the welding efficiency is improved.

The invention discloses a face feature processing method and device, and a storage medium. The face feature processing method comprises the following steps: carrying out feature extraction on a to-be-identified face object in a target image to obtain an original feature vector of a first data type; performing normalization processing on the original feature vector to obtain a first feature vector;performing conversion processing on the first feature vector according to a first type conversion relation to obtain a second feature vector of a second data type, the storage space occupied by the second feature vector being smaller than the storage space occupied by the original feature vector; obtaining a pre-stored target feature vector of the target face object, and comparing the second feature vector with the target feature vector to obtain the similarity between the to-be-identified face object and the target face object; and under the condition that the similarity is greater than a first target threshold, determining the to-be-identified face object as a target face object. According to the invention, the technical problem of high cost for processing the face features in the priorart is solved.

The invention discloses a virtual machine network card configuration method and device. The method includes the following steps that: when it is detected that a virtual machine needs the configurationof network card information, a first configuration file is read from a virtual mirror image file, the configuration information of the network cards of all virtual machines is recorded in the first configuration file; the first configuration file is converted into a second configuration file adaptive to the system of the virtual machine; and the second configuration file is utilized to configurethe network card of the virtual machine. With the virtual machine network card configuration method and device of the invention adopted, the technical problem of high cost caused by a condition that the network card configuration of a virtual machine requires network medium configuration can be solved.

The invention belongs to the technical field of automatic driving vehicles, and discloses a self-adaptive vehicle following method, device and equipment of an automatic driving vehicle and a storage medium. The method comprises the following steps: when an obstacle exists in a current driving path, acquiring an obstacle distance with the obstacle; obtaining an emergency braking distance corresponding to the current vehicle speed according to the emergency braking distance curve, and comparing the obstacle distance with the emergency braking distance; when the obstacle distance is greater thanthe emergency braking distance, acquiring a preset vehicle following safety distance corresponding to the current vehicle speed; determining an expected vehicle speed according to a preset vehicle following safety distance and a preset vehicle following safety distance formula; and carrying out segmented braking according to the difference value between the expected vehicle speed and the current vehicle speed so as to realize self-adaptive vehicle following. According to the method, the expected vehicle speed under the preset vehicle following safety distance is deduced through a formula, segmented braking is conducted based on the difference value between the expected vehicle speed and the current vehicle speed, dependence on the number of sensor signals and signal quality is reduced, andthe self-adaptive vehicle following function is achieved.

The invention discloses a composite solar photovoltaic confluence welding band and a preparation method thereof, which relate to a solar photovoltaic welding conduction band and a preparation method thereof and are used for solving the technical problem of high cost of a preparation method of soft copper in the conventional tin-plated copper conduction band. The composite solar photovoltaic confluence welding band is a parallel three-layer composite structural band consisting of a first copper layer, a middle aluminum layer and a second copper layer, or a core-spun composite structural band consisting of an aluminum and a copper layer, wherein the copper layer is coated on the outer surface of the aluminum. In the preparation method, the composite solar photovoltaic confluence welding band is prepared by rolling with a flattener. Aluminum is taken as a middle layer or a core, so that fatigue breakage of a welding band or a polycrystalline silicon cell panel under thermal stress can beavoided, and the cost is low; and the composite solar photovoltaic confluence welding band is applied to a solar device.

The invention provides a backlight module which comprises an iron frame, wherein a backlight element is arranged in the iron frame which comprises a back plate, baffles are formed on two sides of a long side of the back plate, a bent part is arranged at one end, close to a light source, of the back plate, a second bent part is arranged at one end, away from the light source, of the back plate, and binding surfaces are arranged at the tops of the first bent part and the second bent part; the backlight module has the advantages that compared with the existing backlight module, a rubber frame is canceled, the function of the rubber frame is realized by the aid of the bent parts of the end parts of the iron frame, and further the technical problem that the cost is higher due to the fact that the light-in side and the light-out side of the iron frame and the rubber frame are integrally formed is solved.

The invention discloses a knob wire controller and a control method thereof as well as electrical equipment. The control method of the knob wire controller comprises the following steps of obtaining parameter values detected by a plurality of inductance detectors in a knob operation process; determining operation status of a knob according to the parameter values, wherein the operation status includes rotation operation status or press operation status; and generating a control signal according to the parameter values and the operation status, wherein the control signal is used for controlling parameters of the electrical equipment. According to the knob wire controller and the control method thereof as well as the electrical equipment, the technical problem of high cost of a light touch button wire controller or a touch screen wire controller in the existing technology is solved.

The invention discloses a man-machine chess-playing processing method and device. The method comprises the steps: obtaining the points of chess pieces in a man-machine chess-playing process through a checkerboard when chess players play chess; determining the positions of chess pieces according to the obtained points of chess pieces when chess players play chess; uploading the determined positions of chess pieces when chess players play chess to a robot control system, so as to enable the robot control system to control a chess playing robot to execute a man-machine chess-playing task. The method solves technical problems of high cost and consumption in the related technologies, which are caused by that a man-machine chess-playing system needs to be additionally provided with a visual system.

Embodiments of the invention disclose a method and an apparatus for safe access to a web by a user, solving the technical problem in the prior art that existing system only allocates and stores a sessionid in cookie when the user visits a WEB system, if cookie data is stolen, the user state is to be forged, thereby leading to large loss of the user. The method for safe access to the web by the user comprises the steps of acquiring a new sessionid corresponding to a user visiting the web system at present, wherein the new sessionid comprises a signature generated according to a preset calculation mode; and calculating based on the new sessionid in the preset calculation mode to obtain a comparison signature, comparing the comparison signature with the signature of the acquired new sessionid, if the comparison signature and the signature of the acquired new session are identical, determining that current access to the web system by the user is legal.

The invention discloses an information processing method and electronic equipment. The first electronic equipment can be accessed into a first network, wherein the first network is only available to authorized user. The information processing method includes: receiving characteristic information to be compared sent from the second electronic equipment when state parameters of the second electronic equipment satisfy preset conditions; judging whether characteristic information stored in the first electronic equipment has the characteristic information matched with the characteristic information to be compared; if the characteristic information has the characteristic information matched with the characteristic information to be compared, obtaining first network authentication information corresponding to the characteristic information to be compared; accessing to the first network based on the first network authentication information.

The invention discloses electronic equipment and an information-processing method. The electronic equipment comprises a circuit board, a processor, a video-selecting controller, a selecting unit, a selecting-unit controller and a video interface, wherein the processor is arranged on the circuit board; the video-selecting controller is arranged on the circuit board; the selecting unit is arranged on the circuit board, and the selecting unit can be connected with the processor or the video-selecting controller; the selecting-unit controller is arranged on the circuit board and is connected with the selecting unit; the video interface is arranged on the circuit board and is connected with the selecting unit and the selecting-unit controller. When first equipment is connected onto the video interface, a selection-control instruction is generated and sent to the selecting unit by the selecting-unit controller on the basis of at least three signals from the video interface, and the first equipment is connected to the processor or the video-selecting controller through the video interface and the selecting unit by executing the selection-control instruction by the selecting unit.

The invention provides a pulp-molded packing underlayer which is used for the bottom of a washing machine and includes a bearing pedestal that supports the washing machine during the transportation process and a permanent seat used for fixing inner cylinder parts of the washing machine. The invention is characterized in that: the bearing pedestal and the permanent seat are separably connected with each other. So the invention can adapt to the packing underlayers of washing machines with different types by changing different permanent seats, thus improving the versatility of the part; the unit volume of the bearing pedestal and the permanent seat can be considerably reduced, so the storage space for the same amount of parts is considerably reduced; as the smaller unit part volume is reduced, the size of the pulp-molded mould of the corresponding parts can be reduced, thus reducing the mould cost.

The invention discloses an information push method, a proxy server, and a system. The method comprises: according to a data access request that is used for network access and is sent by a mobile terminal, a proxy sensor obtains corresponding requested data from a resource serve, wherein the data access request contains a communication identifier having the on-line flow-free authority; the proxy server sends a website of the requested data and / or a key word to an advertisement server; the proxy server transmits the requested data fed back by the advertisement server and / or advertisement content data to the mobile terminal, so that the mobile terminal can display the requested data and the advertisement content data. The data transmission during the network access process is marked with a flow-free identifier; and all or parts of data flows that are generated when the mobile terminal accesses the network by the proxy server are included into a designated service provider by a mobile network operator based on the flow-free identifier. Therefore, a technical problem that lots of data flows are consumed when the mobile terminal accesses the network in the prior art can be solved.

The invention relates to the field of power transmission, in particular to a tower tilt monitoring method based on Beidou short message communication. A Beidou system sends working information of a tower tilt monitoring device to a power dispatching machine room in a Beidou short message format and the working condition of each tower can be monitored in real time, so the technical problems the mobile communication network is not convenient to use and the cost of building a dedicated network is high because the tower device is located at the remote area are solved. Threshold detection is set and a potential fault is discovered timely, so that the risk of failure and losses are reduced. With a Bluetooth control unit, the maintenance personnel can monitor the various status information of thetower tilt monitoring device without climbing the tower; and the operation and maintenance operations such as firmware upgrade can be realized. With a super power saving mode, the working time of thetower tilt monitoring device can be extended while the power is insufficient due to the environmental factors.

The invention belongs to the technical field of water absorbing resin and relates to a humic acid-based composite water retaining agent. The humic acid-based composite water retaining agent solves thetechnical problem that the existing agricultural water retaining agent has a high cost, poor salt tolerance and poor water retention performances. The humic acid-based composite water retaining agentcomprises, by weight, 1 to 5 parts of potassium humate, 20 parts of acrylic acid, 8 to 14 parts of potassium hydroxide, 1 to 5 parts of 2-acrylamido-2-methylpropanesulfonic acid, 100 to 160 parts ofcyclohexane, 1 to 2 parts of a dispersing agent, 0.1 to 0.5 parts of an initiator, 0.008 to 0.05 parts of a water-soluble crosslinking agent, 0.008 to 0.04 parts of an oil-soluble crosslinking agent,0.02 to 0.1 parts of a coupling agent, 0.2 to 5 parts of bentonite and 0.2 to 5 parts of kaolin. The invention also provides a preparation method of the humic acid-based composite water retaining agent.

The invention discloses a power supply method and an electronic device. The power supply method is applied to the electronic device comprising a power battery. The electronic device further comprises an adapter interface; an adapter having a first power rated can power the electronic device through the adapter interface; maximum power consumed by the electronic device is second power; the second power is higher than the first power. The power supply method includes: at a first moment, detecting a first current power consumption value of the electronic device; judging whether the first current power consumption value is greater than the first power or not so as to obtain first judgment results; if the first judgment results indicate that the first current power consumption value is greater than the first power, controlling the power battery to be in a charging state, and powering the electronic device through both the power battery and the adapter.

The invention discloses a model training method and device based on machine learning. The method comprises the following steps: obtaining labeled data and unlabeled data from a product sample; obtaining a first loss function according to the labeled data; obtaining a second loss function according to the unlabeled data; and performing iterative training on the product sample according to the firstloss function and the second loss function to obtain a training model, the training model being used for detecting the quality of the product. The technical problems that in industrial detection, thedata size of samples needing to be labeled is large, and the data labeling cost is high are solved.

The invention discloses an air conditioner, a method and device for determining the air outlet temperature of the air conditioner and a storage medium. The method includes the steps of detecting the temperature of an evaporator of the air conditioner; and analyzing the temperature of the evaporator based on a neural network model to obtain the air outlet temperature of the air conditioner, whereinthe neural network model is used for establishing the mapping relations between different temperatures of the evaporator and the air outlet temperature of the air conditioner. Through the air conditioner, the method and the device for determining the air outlet temperature of the air conditioner and the storage medium, the technical effect of reducing the air outlet temperature of the air conditioner to determine the cost is achieved.

The invention discloses a reconstruction wafer structure with a bared chip back and a manufacturing method thereof. The structure comprises a first chip, a second chip and a rewiring layer. Both the first chip and the second chip are arranged on the rewiring layer and have a first distance from the rewiring layer. The structure also comprises a first height limit block and a second height limit block which are arranged on the rewiring layer. The first height limit block and the second height limit block have a second distance from the rewiring layer. The first chip and the second chip are respectively arranged between the first height limit block and the second height limit block. A first space is formed by the rewiring layer, the first height limit block, the second height limit block, the first chip, and the second chip, and resin is filled in the first space. The second distance is equal to the first distance. According to the reconstruction wafer structure, through using the height limit blocks, the use of a high precision plastic mould is not needed, and the structure and the method have the technical effect of the great reduction of package manufacturing and processing cost.

The present invention discloses a control method and a control system for a high-voltage battery, and an electric vehicle. The control method comprises: detecting the internal temperature of a high-voltage battery; comparing the internal temperature to a first preset temperature and a second preset temperature; controlling a sub-battery to supply power for the heating resistance wire in the high-voltage battery if the internal temperature is less than or equal to the first preset temperature, such that the heating resistance wire heats the high-voltage battery; and if the internal temperature is greater than or equal to the second preset temperature, controlling the thermoelectric pile in the high-voltage battery to charge the sub-battery. In the prior art, when the high-voltage battery is in the low temperature state or the high temperature state, the application of the external equipment to perform heating or heat dissipating on the high-voltage battery causes the high cost. With the method and the system of the present invention, the technical problem in the prior art can be solved.

The embodiment of the invention provides a gesture communication method and device, a storage medium and an electronic device. The method comprises the steps of when a first terminal and a second terminal conduct a video call or an audio call, obtaining a first request sent by the first terminal or the second terminal, and the first request is used for requesting to create a gesture recognition service; in response to the first request, creating a gesture recognition service; obtaining a group of gestures recognized in a group of video frames collected by the first terminal; performing semantic recognition on a group of gestures recognized in a group of video frames collected by the first terminal through a gesture recognition service to obtain target semantics represented by the group of gestures; and sending the target semantics to the second terminal. Through the gesture communication method and device, the technical problem of high cost caused by the fact that gesture communication mainly depends on specific equipment in the prior art is solved, and the technical effect of reducing the cost in the gesture communication process is achieved.

The invention discloses a positioning method and a device. Specifically, the method includes: acquiring a first image collected by optical equipment, wherein the first image includes an observed target and a plurality of predetermined targets, and the plurality of predetermined targets have known geographic coordinates; based on the first image, selecting a first predetermined target from the plurality of predetermined targets; acquiring a second image, wherein the first predetermined target is located at the center of the second image; based on the measurement data measured by an inertial navigation system and the first predetermined target in the second image, determining a first attitude angle of the optical equipment; based on the position relationship of the observed object and the first predetermined target in the second image, correcting the first attitude angle to obtain a second attitude angle; and based on the second attitude angle, calculating the geographic coordinates of the observed object. The positioning method and device provided by the invention solve the technical problem of high cost for accurate positioning of the observed object in the prior art.

The invention belongs to the field of seed processing, and particularly relates to a novel rice seed processing method and a production line of rice seeds. The method comprises the following effectivesteps that a, firstly utilizing wind screening equipment is used to remove most of heavy impurities, large impurities, light impurities or lesion seeds from the rice seeds; b, a vibration sorting machine is used for sorting the rice seeds subjected to wind screening so as to select rice seeds with larger grain diameters, and then excess material is conveyed to a specific gravity separator; c, rice seeds with large grain diameters and large gravity are selected after the excess material is subject to sorting of the specific gravity separator, and then are mixed with the rice seeds selected bythe vibration sorting machine; and d, the mixed rice seeds are conveyed to a packaging machine for packaging completion. According to the novel rice seed processing method, a sorting procedure is added before traditional specific gravity selection is carried out, and a mixing procedure is added before packaging, so that production capacity is greatly improved, and the technical problem that the production line cost is increased due to the fact that production efficiency is low in existing rice seed processing is further solved; and meanwhile, the processing method is reasonable in design, simple, remarkable in effect and suitable for large-scale popularization and application.

The invention discloses an application compatibility evaluation method and device. The application compatibility evaluation method is applied to a server, and comprises the steps: receiving a query request; analyzing the query request to obtain first application program interface API information corresponding to a target component in a to-be-evaluated big data platform; when the target applicationprogram runs on a historical big data platform, obtaining an API information set loaded by at least one component, wherein the historical big data platform is a big data platform deployed with an Agent agent end; determining second API information corresponding to the target component from the API information set; and comparing the first API information with the second API information to obtain an evaluation result for representing the compatibility between the target application program and the to-be-evaluated big data platform. The application compatibility evaluation method and device cansolve the technical problem that in the prior art, the cost of migrating the application program to the target big data platform is high, and can reduce the cost of migrating the application program to the target big data platform.

The present invention discloses an information processing method, which is applied to an electronic device. The electronic device comprises a display unit with adjustable transparency. The method comprises: determining current transparency of the display unit as first transparency; obtaining first input information; determining whether the first input information meets a predetermined condition, and acquiring a first determination result; when the first determination result is yes, acquiring first information according to the first input information; determining second transparency corresponding to the first information, wherein the first transparency is different from the second transparency; and adjusting the current transparency of the display unit from the first transparency to the second transparency. The information processing method and the electronic device provided by the embodiments of the present invention are used to solve the technical problem that the electronic device can not intelligently adjust the transparency of a display screen in the prior art, thereby achieving technical effects that the electronic device can automatically adjust the transparency of the display screen according to different input information.

The invention discloses a structured information generation method and device, electronic equipment and a storage medium, and relates to the field of information processing in the field of natural language processing. According to the specific implementation scheme, the method includes: obtaining a source text sequence; inputting the source text sequence into a behavior-evaluation model so as to generate structured information corresponding to the source text sequence, wherein the behavior-evaluation model comprises a behavior sub-model and an evaluation sub-model, the behavior sub-model is used for generating the structured information corresponding to the source text sequence according to the input source text sequence, and the evaluation sub-model is used for training the behavior sub-model. Therefore, the corresponding structured information is directly generated through the behavior-evaluation model according to the input source text sequence, end-to-end information extraction isrealized, the technical problem of high training model labeling cost during open field information extraction is solved, and the structured information extraction efficiency and accuracy are effectively improved.

The invention discloses a flame-retardant foaming adhesive tape and a preparation process, and relates to the technical field of flame retardants, the flame-retardant foaming adhesive tape comprises the following raw materials by weight: 50-80 parts of ethylene propylene diene monomer, 15-20 parts of expansible graphite, 30-40 parts of calcium carbonate, 80-100 parts of an inorganic flame retardant, 20-40 parts of an organic flame retardant, 5-8 parts of zinc oxide, 0.5-4 parts of azodicarbonamide, 15-30 parts of paraffin oil, 1-3 parts of sulfur, and 1-3 parts of 2, 2-dithiobisbenzothiazole. The flame-retardant foaming adhesive tape is obtained by mixing the raw materials, melting and mixing, extruding and granulating, and carrying out segmented vulcanization. The prepared flame-retardant foaming adhesive tape has excellent flame retardance and compressive deformation resistance, the preparation method is simple, the finished product is low in smoke and low in toxicity, the manufacturing cost is low, and the flame-retardant foaming adhesive tape belongs to an environment-friendly flame-retardant foaming adhesive tape.

The invention is applicable to the technical field of electronic cigarette cartridge authentication, and provides an electronic cigarette cartridge authentication method and device and an electronic cigarette. The electronic cigarette cartridge authentication method comprises the following steps: acquiring a random number sent by an electronic cigarette cartridge; scrambling the current plaintextby adopting the random number to obtain a first scrambled plaintext; performing encryption processing on the first scrambling plaintext by using an RC4 algorithm to obtain first MAC data; and comparing the first MAC data with second MAC data sent by the electronic cigarette cartridge, and determining whether the electronic cigarette cartridge passes authentication or not. Due to the fact that theRC4 algorithm low in hardware resource consumption is adopted, the technical problem that an electronic cigarette cartridge authentication method is high in cost is effectively solved, the plaintext is scrambled through the random number, and the authentication safety is effectively improved.

The invention provides an article reading comprehension answer retrieval system and device based on machine learning. The method comprises the steps: extracting keywords of different sentences and question sentences in an article according to a semantic rule, and obtaining core words corresponding to the different sentences and question core words; vectorizing the core words of the sentences and the question core words according to a pre-trained statement model and obtaining core word vectors of the sentences and a question core word vector; calculating the similarity between the question coreword vector and the core word vectors of different sentences according to the cosine distance, and obtaining the similarities of different sentences; judging the similarities of different sentences;and taking sentences with high similarities as training corpora and inputting the training corpora into a neural network combined by a recurrent neural network and a multi-layer perceptron for training to obtain an answer retrieval neural network model. The technical problem of manually annotating corpora in the prior art is solved, machine annotation is generated by adopting a fixed rule, and thetechnical effects of moderate accuracy, no need of manual annotation and cost saving are achieved.