24209 results about "Electric devices" patented technology

To enable detection of temperature rise of electronic equipment disposed in a battery pack due to radiation heat in an exhaust passage.SOLUTION: A battery pack 50 disposed on the underfloor of a hybrid vehicle 1 includes: a battery stuck 55 where battery cells are laminated; a battery ECU51 and a monitoring unit 52. A temperature sensor 53 fitted to a flue gas passage 94 is disposed at a position between the battery ECU51 and the monitoring unit 52, and an exhaust pipe 21. The temperature sensor 53 is disposed between the battery ECU51 and the monitoring unit 52, and the exhaust pipe 21, and therefore favorably detects the temperature rise of the battery ECU 51 and the monitoring unit 52 due to radiation heat from the exhaust pipe 21.SELECTED DRAWING: Figure 2

Methods for displaying user interfaces in a computer-generated environment provide for an efficient and intuitive user experience. In some embodiments, user interfaces can have different immersion levels. In some embodiments, a user interface can have a respective immersion level based on its location in the three-dimensional environment or distance from the user. In some embodiments, a user interface can have a respective immersion level based on the state of the user interface. In some embodiments, a user interface can switch from one immersion level to another in response to the user's interaction with the user interface.

A disclosed device cooling system includes a first coolant loop that circulates a first cooling media through a device; a second coolant loop that circulates a second cooling media through the device; a thermoelectric cooler (TEC) positioned between the first coolant loop and the second coolant loop; and control electronics configured to selectively drive the TEC to transfer heat between the first coolant loop and the second coolant loop.

The invention provides a classroom behavior analysis method and system, electronic equipment and a storage medium, and relates to the technical field of educational informationization, and the method comprises the steps: collecting videos and audios, carrying out image enhancement, noise filtering and frame segmentation on the videos, carrying out noise reduction, sound source positioning and voice segmentation on the audios, and generating standardized images and voice sequences; an improved MTCNN cascade network is combined with a posture estimation technology, facial key points of students are extracted from videos, class arrival states, head postures and facial micro-expressions are recognized, audios are analyzed through a bidirectional LSTM network, and speaking duration and frequency are obtained; constructing individual behavior indexes according to attendance, head actions and expressions of the students; constructing an interaction index according to the teacher and student speaking data; the individual and interaction indexes are summarized to generate the multi-dimensional classroom behavior portrait, and the relation between the portrait and the teaching effect is analyzed, so that the classroom behavior analysis precision can be improved, the data processing capability can be enhanced, and the multi-dimensional classroom behavior comprehensive evaluation can be realized.

A core module and an electronic device are provided. The core module comprises a housing component, a transducer device, a vibration panel, and a face attachment component. The transducer device is disposed in the housing component. The vibration panel is connected with the transducer device. The face attachment component includes a face attachment sleeve connected with the vibration panel by a bonding medium to make the vibration panel contact a skin of a user through the face attachment component. The bonding medium is configured to allow the face attachment component to be removed from the vibration panel as a whole without damaging the face attachment component or the vibration panel. The face attachment component is detachable such that the user can easily replace the face attachment component with a new one when needed, and the face attachment component can be removed as a whole to avoid breakage.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a magnetic circuit system of the sound production device comprises a magnetic conductive yoke, and side magnetic parts, a common magnetic part and two central magnetic parts which are arranged on the magnetic conductive yoke, the side magnetic parts are annularly arranged to form an accommodating space, the common magnetic part is located in the accommodating space and is connected with the side magnetic parts, and the two central magnetic parts are arranged in the accommodating space. The magnetic circuit system is arranged in the containing space to divide the containing space into two installation spaces, each center magnetic part is located in one installation space, the center magnetic parts, the side magnetic parts and the common magnetic part are spaced to define a magnetic gap, the vibration system comprises a vibrating diaphragm assembly and two voice coils, the periphery of the vibrating diaphragm assembly is connected to the shell and is opposite to the magnetic circuit system, and the two voice coils are arranged side by side. One end of each voice coil is connected to the diaphragm assembly, and the other end of each voice coil is suspended in one magnetic gap. According to the sound production device, the size of the voice coil and the magnet volume of the magnetic circuit system are increased, so that the BL value is improved, and the whole machine performance and the sound effect loudness are improved.

The invention discloses a sound production device, a sound production module and electronic equipment, and relates to the technical field of electroacoustic transduction, a vibration plate of a vibration system of the sound production device comprises a first plate part and a second plate part which are located on different horizontal planes, the top of a voice coil is connected with the first plate part, and the second plate part is located on the inner side of the voice coil; a center magnetic part of the magnetic circuit system comprises a first center magnet and a second center magnet which are located on the two opposite sides of the second plate part, the first center magnet is close to the top of the voice coil, and the second center magnet is close to the bottom of the voice coil. The first center magnet and the second center magnet are magnetized in the first direction and are opposite in magnetizing direction, and the magnetic energy product of the first center magnet is larger than that of the second center magnet. According to the sound production device, the thinning design can be realized, the BL value is effectively improved, the magnetic lines are distributed more uniformly, the BLx curve is flatter, and thus the distortion is reduced.

An integrated electric motor drive. The motor drive having rotatable parts with a drive shaft and a rotor, wherein the drive shaft extends along a rotor axis and the rotor is mechanically coupled to the drive shaft; and static parts having a stator and power electronics for controlling an electric current through the stator. The integrated electric motor drive has a liquid cooling system with a closed liquid cooling circuit and a liquid coolant agitator. The closed liquid cooling circuit is filled with liquid coolant being in thermal contact with the stator and / or the power electronics. The liquid coolant agitator is arranged and configured to circulate the liquid coolant along the closed liquid cooling circuit. The liquid coolant agitator is mounted within the closed liquid cooling circuit to be rotatable about the rotor axis, and the liquid coolant agitator is magnetically coupled to the movable parts.

A voice conversion method used in an electronic device, including determining a target speech to be converted and a content representation vector corresponding to the target speech, where the target speech has a first content and a first voiceprint, and the content representation vector is obtained based on the speech waveform of the target speech; determining a reference speech and a voiceprint representation vector corresponding to the reference speech, where the reference speech has a second voiceprint, and the second voiceprint is different from the first voiceprint; generating a converted speech based on a speech generator according to the content representation vector and the voiceprint representation vector; where the converted speech has the first content and the second voiceprint; where the speech generator is obtained by jointly training a preset speech generation network and a preset discriminator network by using a training speech having the second voiceprint.

A mounting device selectively engageable to a module-level power electronics (MLPE) device includes a body with an aperture, a first arm, and a second arm. The first arm extends from a first side of the body at a first arm angle relative to the body. The second arm extends from a second side of the body at a second arm angle relative to the body. When the aperture receives a fastener able to engage an extension of the MLPE, the first arm makes contact with a first surface of a frame section of a photovoltaic (PV) frame and holds the extension against a second surface of the frame section, securing the PV frame to the extension via the interconnecting mounting device. The first arm may include teeth operable to engage the frame section. The mounting device may include a tab operable to engage the extension.

An air-conditioning system and a control method therefor, an electronic device, and a storage medium. The control method for an air-conditioning system of the present disclosure comprises: receiving a request for reducing energy consumption; on the basis of the request for reducing energy consumption, acquiring a comfort parameter of the air-conditioning system in a current operating state; and on the basis of the comfort parameter, controlling the air-conditioning system to operate. When receiving the request for reducing energy consumption, the air-conditioning system executes an operating program on the basis of the comfort parameter. That is to say, the comfort parameter is a reference condition when the air-conditioning system receives the request for reducing energy consumption, so that when the air-conditioning system receives the request for reducing energy consumption, the comfort is considered, thereby mitigating the problem of reduction of the comfort as a result of the air-conditioning system reducing the power of the air-conditioning system only on the basis of off-peak demand indexes.

The invention provides a method and device for scoring and questioning according to interview question answers and electronic equipment, and belongs to the technical field of artificial intelligence, in the method, multiple similarity measurement algorithms are integrated to achieve multi-angle quantitative evaluation of applicant answers, a large model scoring link based on deep learning is creatively added, and the evaluation efficiency is improved. Therefore, the language understanding depth which cannot be reached by pure mathematical calculation is compensated. According to the double-track scoring architecture, on one hand, the objectivity and the consistency of scoring are guaranteed by means of an accurate mathematical model; on the other hand, subjective understanding and interpretation of scoring are enhanced by means of a large model with high semantic analysis ability, the accuracy and comprehensiveness of evaluation are improved, the process is automatically achieved, efficiency is high, and the method can rapidly, accurately and comprehensively evaluate the applicant answers. In addition, the scoring reason and the question-asking problem given by the large model provide valuable information for mining the knowledge mastering condition of the applicant.

The invention discloses a vehicle, a driving track generation method, electronic equipment, a storage medium and a product, and relates to the technical field of intelligent driving. The method comprises the following steps: inputting bird's-eye view angle characteristics of an all-round view image of a vehicle into a computer vision model to obtain a plurality of candidate initial driving tracks; and selecting a target visual language model according to the driving instruction, generating a trajectory correction cue word according to each candidate initial driving trajectory, the look-around image, the driving state information and the driving instruction, and performing trajectory correction on each candidate initial driving trajectory by using the target visual language model. And calculating the driving cost of each candidate driving track based on different types of driving cost weight coefficients determined by the look-around image, and finally outputting the candidate driving track with the lowest driving cost as the driving track of the vehicle at the next moment. According to the invention, the problem that the track generation quality cannot meet the real demand of a user in related technologies can be solved, and the track prediction accuracy and reliability are effectively improved.

The present application belongs to the technical field of computers, and provides a square battery appearance defect detection method and apparatus, a storage medium, and an electronic device. The method comprises: moving a battery under test to a first position, and calling a first camera module to photograph a first part of said battery to form a front image and a rear image of said battery; moving said battery to a second position, and calling a second camera module to photograph a second part of said battery to form a left side image and a right side image of said battery; moving said battery to a third position, and calling a third camera module to photograph a third part of said battery to form a bottom image and a top image of said battery; and performing appearance defect identification on said battery according to the front image, the rear image, the left side image, the right side image, the bottom image and the top image. The present application can improve the overall defect identification efficiency for square batteries.

A discharge control method and system for a power battery system, and an electronic device and a storage medium. The method comprises: upon detecting an upper high-voltage request instruction, acquiring a voltage value of a first battery pack (110) and a voltage value of a second battery pack (120) (S301); determining whether the difference between the voltage value of the first battery pack (110) and the voltage value of the second battery pack (120) is less than a first voltage threshold value (S302); when the difference is less than the first voltage threshold value, controlling a power battery system to enter a parallel discharge mode (S303); when the difference is greater than or equal to the first voltage threshold value, controlling the power battery system to enter a partial discharge mode (S304); and during the process of the partial discharge mode, if the difference is less than a second voltage threshold value, controlling the power battery system to switch to the parallel discharge mode (S305). The method is used for solving the problem of the consistency between different battery packs being relatively poor.

A display panel manufacturing method, a display panel and an electronic device, the display panel manufacturing method comprises: sequentially forming a pixel definition layer and an isolation layer on a driving backboard along a first direction, the pixel definition layer comprising a plurality of pixel definition structures arranged at intervals along a second direction, the isolation layer comprising a plurality of isolation columns, the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures, the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures, and the isolation columns being in one-to-one correspondence with the plurality of pixel definition structures; the isolation column comprises a first surface and a second surface which are oppositely arranged in the first direction, the first surface faces the pixel definition structure, and in the orthographic projection of the first direction, the second surface is located in the first surface; a first light-emitting structure is formed, the first light-emitting structure comprises a first light-emitting part and a first residual part which are spaced, the first light-emitting part is formed on the driving backboard and located between every two adjacent pixel definition structures, and the first residual part is formed on the second surface; and separating the isolation layer from the pixel definition layer. According to the preparation method of the display panel, the display effect of the display panel can be improved, and the manufacturing difficulty is reduced.

The invention discloses an electrolyte, a battery monomer, a battery and an electric device, and belongs to the technical field of batteries. A first additive and a second additive are added into the electrolyte, the first additive comprises fluorophosphate and / or borate, and the second additive comprises an ethylene sulfate compound. The first additive and the second additive are beneficial to formation of a stable SEI film on the surface of the negative electrode active material by the electrolyte, and contact between the electrolyte and the surface of the negative electrode active material can be blocked, so that further side reaction on the negative plate side is inhibited. Meanwhile, the first additive can be combined with metal ions on the surface of the positive electrode active material to form ionic bonds, so that the phenomenon of excessive lithium removal on the surface of the positive electrode active material is reduced, the occurrence of damage to the structure of the positive electrode active material is effectively reduced, and the side reaction of the electrolyte on the positive plate side is reduced. By reducing side reaction of the negative plate side and the positive plate side with electrolyte, the service life of the battery is prolonged.

A device and method for performing scene restoration, including: obtaining an input image of an object; based on an input viewpoint corresponding to the input image, determining a plurality of augmented viewpoints surrounding the object in a three-dimensional (3D) space including the object; generating a plurality of augmented images at the plurality of augmented viewpoints, wherein each augmented image from among the plurality of augmented images corresponds to a view of the object from a corresponding augmented viewpoint from among the plurality of augmented viewpoints, and wherein each augmented image is generated based on an image at a different viewpoint using a view change model; generating a scene restoration model based on the input image at the input viewpoint and the plurality of augmented images at the plurality of augmented viewpoints; and restoring a scene image of a target view of the object using the scene restoration model.

Disclosed are a target tracking method, a target tracking system and an electronic device. The target tracking method includes acquiring N frames of images sequentially, wherein N is an integer and N≥2. The target tracking method further includes: performing target detection on an N-th frame of image to generate a target area; performing optical flow calculation and Kalman Filter prediction on a target area in an (N−1)-th frame of image to generate an optical flow predicted target area and a Kalman Filter predicted target area in the N-th frame of image, respectively; performing a first matching between the target area in the N-th frame of image and the optical flow predicted target area in the N-th frame of image; performing second matching on an unmatched target area in an N-th frame of image and the Kalman Filter predicted target area in the N-th frame of image, if the target area in the N-th frame of image does not match the optical flow predicted target area in the N-th frame of image; performing prediction condition determination on an unmatched Kalman Filter predicted target area; and updating the Kalman Filter model and performing the optical flow point resampling by using the optical flow predicted target area in the N-th frame of image corresponding to the Kalman Filter predicted target area, if the determination is that the prediction condition is met.

The invention provides a three-dimensional data synthesis method, electronic equipment, a storage medium and a program product, and the method comprises the steps: obtaining a plurality of texture-free three-dimensional grid models, carrying out the rendering of each three-dimensional grid model, obtaining a plurality of view images, and constructing a training sample pair in combination with a semantic description text; based on the training sample pair, utilizing a low-rank adaptation technology to carry out fine tuning on the first text graph model to obtain a second text graph model with multi-view consistency understanding ability; modeling a latent space semantic difference between the rendered image of the to-be-deformed three-dimensional grid model and the target semantic text based on the second text graph model, constructing an optimization constraint and updating parameters, and obtaining a deformed three-dimensional grid model conforming to target semantics; and generating a texture image by using the texture generation model, and attaching the texture image to the surface of the deformed three-dimensional grid model to obtain synthetic three-dimensional data with textures. The reconstruction precision, the diversity expression ability and the cross-category generalization ability of the synthesized three-dimensional data are obviously enhanced.

The invention discloses an organic electroluminescent device, the organic electroluminescent device comprises an anode, a cathode and an organic layer arranged between the anode and the cathode, the organic layer comprises a first metal complex with a structural ligand shown in a formula 1 and a first compound with a structural ligand shown in a formula 2, and the organic electroluminescent device has more excellent comprehensive performance; and particularly, the service life can be remarkably prolonged. Also disclosed are a composition comprising a first metal complex having a structural ligand of Formula 1 and a first compound having a structure of Formula 2, and an organic layer comprising the composition. A display assembly and an electronic device comprising the electroluminescent device or the organic layer are also disclosed.

To provide a game machine including main control-frame control means which improves the amusement of a game.SOLUTION: In a game machine according to the invention, main control means counts the number of winnings of game balls in an opening state of a normal electric accessory; when the number of winnings reaches a predetermined number, can control the normal electric accessory to bring it into a closed state; can send winning information based on the winnings of game balls into the normal electric accessory to frame control means; counts the number of winnings of game balls in an opening state of a big winning port in a jackpot game state; when the number of winnings reaches a predetermined number, can control the big winning port to bring it into a closed state; can send winning information based on the winnings of game balls into the big winning port to the frame control means; and can send pieces of the winning information corresponding to the number of times of winnings during a predetermined period different from each opening time. The frame control means can execute a count process independent from that of the main control means on the basis of the winning information and can display a resultant count number.SELECTED DRAWING: Figure 78

A smart device and method for certified sterilization of personal computing / communications devices (e.g., smartphones, tablets, phablets) and other like personal effects provides an interior sterilization chamber fully or partially enclosed by a housing. The smart device includes an object tray or receptacle situated within the chamber for sterilization of any objects secured therein. Within the sterilization chamber, illuminators direct ultraviolet-C (UV-C) or other like disinfecting radiation at the external surfaces of the object according to a predetermined sterilization cycle or program. The selected sterilization cycle is executed by controlling the activation and / or articulation of the illuminators and / or the object tray or receptacle (either or both of which may be articulated to maximize the irradiated surface area of the object). When a sterilization cycle is complete, the control processors generate a unique token memorializing the successful completion of the cycle upon the sterilized object (e.g., a uniquely identified mobile device).

Provided method for training an autonomous driving model including a video prediction model, and the method including: determining, according to at least one of an initial video frame collected by a target vehicle or scenario description metadata of an initial video frame, a scenario context of the initial video frame; determining a vehicle movement instruction of the target vehicle according to at least one of the initial video frame or trajectory data of the target vehicle corresponding to the initial video frame; and training an initial model using the initial video frame and a control text corresponding to the initial video frame, to obtain the video prediction model, where the control text comprises the scenario context and the vehicle movement instruction, and the video prediction model is configured to output a predicted video frame.

A pipe inspection system includes a cable storage drum and a housing configured to removably receive and rotatably support the cable storage drum. A push-cable with a plurality of conductors is stored in the drum. An inspection camera may be attached to a distal end of the push-cable. The drum includes a hollow core outer cone configured to accept an inner core removable module. The removable module may include electrical, mechanical, wireless, satellite, and power / battery interfaces. The module mates with a contact plate sealed inside the inner cone. The inner core components, including the battery module, are stationary relative to the inner core. The inner core is free to rotate bidirectionally inside the outer cone as the camera is being fed into, and out of a pipe or conduit for inspection. Slip-rings are not required to maintain connectivity because the electronics and battery module are stationary relative to each other.

To provide a game machine equipped with main control-frame control means for improving amusement properties of a game.SOLUTION: In a game machine of the present invention, main control means can count the number of winning game balls in an open state of a normal electric accessory, can control the normal electric accessory to a closed state when the number of winning game balls reaches a predetermined number, and can transmit winning information based on the winning of the game balls in the normal electric accessory to frame control means. The frame control means can execute counting processing independent of counting in the main control means on the basis of the winning information, and can display the counting value.SELECTED DRAWING: Figure 78