baber/WOPTO huggingface dataset:
Patent WO-2022016693-A1 (WO)
Inventor: MA YING
IPC: G01R31/00
Filed: 2020-09-14
Abstract: 一种用于变频调速一体机的电磁信号测试平台，属于煤矿及矿山生产技术领域。所述用于变频调速一体机的电磁信号测试平台包括通过屏蔽墙隔开的操控室、暗室、屏蔽室一和屏蔽室二，操控室内设置有上位机、D/A转换器、显示屏和场强计，上位机分别与D/A转换器和显示屏连接；暗室内设置有变频调速一体机、EMC天线和电流探头；屏蔽室一内设置有EMI测试接收机，EMI测试接收机的输入端分别与场强计、EMC天线和电流探头连接，EMI测试接收机的输出端与上位机连接；屏蔽室二内设置有测功机和电源网络。所述用于变频调速一体机的电磁信号测试平台能够对变频调速一体机的电磁兼容性进行测试，能够判断变频调速一体机的可靠性，确保当前磁场强度不会影响工作人员的安全。
Patent WO-2021174836-A1 (WO)
Inventor: LI TAO
IPC: G06F8/658
Filed: 2020-09-29
Abstract: A differential package generation method and a related device. The method comprises: acquiring an old file and a new file of software to be upgraded; dividing the old file into a plurality of first character strings, and combining the plurality of first character strings into a first character string group according to the order in the old file; dividing the new file into a plurality of second character strings, and combining the plurality of second character strings into a second character string group according to the order in the new file; combining sequence numbers in the first character string group of a similar character string of each second character string in the second character string group into a sequence number array; calculating the difference value of each second character string in the second character string group and a similar character string of the second character string in the first character string group, and combining a difference value corresponding to each second character string in the second character string group into a difference value array (105); and compressing the sequence number array and the difference value array into a differential package (106). The present method improves the efficiency of generating a differential package.
Patent WO-2022032839-A1 (WO)
Title: Multifunctional case for computer
Inventor: XU TIANYUAN
IPC: G06F1/18
Filed: 2020-10-12
Abstract: A multifunctional case for a computer. The multifunctional case comprises a case body (1); a switch control panel is provided at the front face of the case body (1), the switch control panel is provided with a power switch key (2), jacks (3), USB interfaces (4) and a CD driver switch key (5); support bottom frames (9) are fixed at the bottom of the case body (1), anti-slip wear-resistant pads (10) are fixed at bottom edges of the support bottom frames (9), foldable wheel mechanisms are mounted inside the support bottom frames (9), and a lifting handle (6) is mounted at the top of the case body (1); the rear face of the case body (1) is connected to a rear cover plate (21) by means of a push-pull switch mechanism; heat dissipation mechanisms are mounted on left and right side walls inside the case body (1), and automatic dust removal mechanisms are mounted on the left and right outer walls of the case body (1) and are connected to the heat dissipation mechanisms; and a shock-absorbing bottom support mechanism is provided at the bottom end inside the case body (1). The foldable wheel mechanisms and the lifting handle (6) are provided to facilitate movement, and the heat dissipation mechanisms cooperate with the automatic dust removal mechanisms to ensure normal operation of components inside the case body (1).
Patent WO-2021078091-A1 (WO)
Title: Clip applier shaft assembly and medical surgical clip applier
Inventor: ZHANG HUI
IPC: A61B17/128
Filed: 2020-10-19
Abstract: Provided are a clip applier shaft assembly and a medical surgical clip applier. The clip applier shaft assembly (100) comprises a reset member (4). When a main shaft (1) moves towards a head end, at least part of the reset member (4) deforms and generates a force that enables the reset member (4) to restore to the original shape. The reset member (4) comprises a first reset member body (41) located between the main shaft (1) and a clip-pushing assembly (2), a second reset member (42) located between the main shaft (1) and a pipe body (10), and a third reset member located between a firing assembly (3) and the pipe body (10). According to the clip applier shaft assembly and the medical surgical clip applier, the functions of clip pushing, clip delivery, cocking, and device resetting can be completed by means of only controlling the main shaft, thereby simplifying the operation process and reducing surgical risks.
Patent WO-2021139302-A1 (WO)
Inventor: ZHONG ZHIQUAN
IPC: G06N3/04
Filed: 2020-10-19
Abstract: 本申请涉及人工智能技术领域，具体涉及图像检测/图像分类/神经网络技术，尤其涉及一种图像交通信息灯检测方法、装置、电子设备及计算机可读存储介质，可应用于辅助驾驶与导航/自动驾驶/智慧交通等场景中，推动智慧城市建设。所述图像交通信息灯检测方法包括：获取原始图像；将所述原始图像的分辨率降低而获得粗检图像；使用粗粒度检测卷积神经网络对所述粗检图像进行目标区域检测以获得所述目标区域的区域信息；将所述目标区域的区域信息与所述原始图像匹配并获得所述原始图像中与所述目标区域对应的原始图像块；及使用细粒度检测卷积神经网络对所述原始图像块进行交通信号灯区域检测以获得交通信号灯区域的位置及类别信息。
Patent WO-2021143241-A1 (WO)
Title: Image processing method, apparatus, electronic device, and storage medium
Inventor: LI ZHICHENG
IPC: G06T7/90
Filed: 2020-10-20
Abstract: Provided is an image processing method, comprising: according to the quantity of pixels in an original image whose color feature value falls within each color feature interval, obtaining a first histogram corresponding to the original image; according to the quantity of pixels in an up-sampled image of the original image whose color feature value falls within each color feature interval, obtaining a second histogram corresponding to the up-sampled image; according to the first histogram and the second histogram, determining a target color feature interval matched by each color feature interval in the second histogram; according to the target color feature interval matched by each color feature interval in the second histogram, processing the color feature values of pixels which fall into each color feature interval in the up-sampled image to obtain a target image.
Patent WO-2021093738-A1 (WO)
Title: Thermodynamic cycle method and heat engine for implementing method
Inventor: ZOU LISONG
IPC: F02G1/00
Filed: 2020-11-10
Abstract: Provided are a thermodynamic cycle method and a heat engine for implementing said method; the thermodynamic cycle is: using a high-temperature ceramic honeycomb regenerator (2) for performing a rapid and efficient heat exchange function on a gas to enable low-temperature gas to rapidly exchange heat and expand in a closed chamber so as to obtain pressure and work, or using a high-efficiency heat-conducting material to quickly introduce heat into the closed chamber, quickly exchanging heat with low-temperature gas, heating up, and expanding to obtain pressure and work, and outputting power, and recovering exhaust gas heat energy to greatly improve efficiency.
Patent WO-2022088270-A1 (WO)
Inventor: ZHANG LE
IPC: C04B35/632
Filed: 2020-11-13
Abstract: Provided is a preparation method for an ultrahigh-density ceramic body, comprising: firstly weighing ceramic raw material powder for ball-milling mixing, and carrying out filtering, drying and sieving after ball-milling; then, mixing sieved ceramic powder with a solvent for planetary stirring, adding a plasticizer after a period of time, continuing to carry out stirring, adding a binder after a period of time, and continuing to carry out planetary vacuum stirring; next, preparing the ceramic body from a ceramic slurry by means of a wet forming process, carrying out in-situ drying, and carrying out custom cutting and stacking on the ceramic body according to application requirements; and finally, successively carrying out hot isostatic pressing and debinding on the ceramic body to obtain the ultrahigh-density ceramic body. The super-continuous ceramic slurry which is uniform in component distribution and free of bubbles is obtained in a mode of forming a three-dimensional network, the integrated and non-layered ceramic body is prepared by using an in-situ curing mode and an air debinding method, the relative density of the prepared ceramic body reaches 65%, and the application prospect is wide.
Patent WO-2021179679-A1 (WO)
Inventor: SHI JIE
IPC: G01N21/956
Filed: 2020-11-24
Abstract: An automatic automobile dashboard testing system and testing method based on machine vision. The system comprises: an upper computer, an electronic control unit, first to third visible light cameras, a dashboard testing apparatus, an IO module, a CAN bus, and dashboard testing software, wherein the upper computer sends a control instruction to the electronic control unit by means of the IO module and controls the visible light cameras to be turned on, and after processing data, the electronic control unit controls, by means of an MCU module, each portion of a dashboard to display a corresponding state; the visible light cameras realize counting synchronization with the dashboard by means of the IO module, thereby ensuring that a visible light camera at a corresponding position carries out candid photography as the display state of the dashboard changes, and a photographed picture is converted into a digital signal and is transmitted to the dashboard testing software; and the software processes the picture and then compares same with a related instruction in a database, and finally transmits, to an alarm device, a signal indicating whether the picture is up to standard, and gives an alarm if the picture is not up to standard.
Patent WO-2022110166-A1 (WO)
Title: 一种铝卷带材连续固溶热处理炉的气垫发生器
Inventor: JIANG ZONGXUAN
IPC: C22F1/04
Filed: 2020-11-30
Abstract: 本实用新型涉及铝卷带材连续固溶热处理炉的气垫发生器，其包括依次分布在加热区的多个气垫发生单元，其中每个气垫发生单元包括上喷风箱、下喷风箱、风机以及风道，多个上喷风箱和多个下喷风箱相互错位间隔且呈正弦或余弦图像分布在极值位置；上喷风箱自一端部向另一端部所形成腔体逐步变小设置，且底面呈矩形，上进风孔为位于腔体空间较大的端部且与风道连通，上喷风孔呈阵列状态分布上喷风箱的底面上；下喷风箱呈长方体状，下进风孔位于长方体的一端且与风道连通，下喷风孔呈阵列状态分布下喷风箱的顶面上。本实用新型能够确保铝带在铝带传输通道中受力均衡和受热均匀，不会产生变形，而且也能够实施整个铝卷带材的连续固溶热处理。
Patent WO-2022041540-A1 (WO)
Title: Individual section machine clamping structure
Inventor: WANG ZHONGWEI
IPC: C03B9/40
Filed: 2020-11-30
Abstract: An individual section machine clamping structure, comprising a main frame (1) and a holding clamp (8). The holding clamp (8) is arranged on the main frame (1); a driving mechanism connected to the holding clamp (8) is arranged on the main frame (1); the driving mechanism comprises a driving block (2), a connecting rod assembly (3), a driving assembly and a guide assembly; a placement groove is provided in the main frame (1); the driving block (2) is connected into the placement groove in a sliding manner; the connecting rod assembly (3) is arranged on the driving block (2), and the connecting rod assembly (3) is connected to a clamping arm (81) of the holding clamp (8); the driving assembly is arranged on the main frame (1) and is connected to the driving block (2); and the guide assembly is arranged on the main frame (1) and is connected to the driving block (2), such that the driving block (2) can be limited to go in and out of the placement groove in a driving direction of the driving assembly, and the effect of improving the clamping effect of a mold is achieved.
Patent WO-2021143378-A1 (WO)
Inventor: YAO XIAOXIA
IPC: B29C64/112
Filed: 2020-11-30
Abstract: Provided are a leveling device and a three-dimensional printing apparatus. The leveling device (1) comprises: a leveling roller (11) and a scraping assembly, wherein the scraping assembly comprises a waste material box (13) and a scraping plate (12); the waste material box (13) is arranged on one side of the leveling roller (11); a cavity (131) is provided in the waste material box (13); and the top end of the scraping plate (12) extends from the inside of the cavity (131) and comes into contact with the leveling roller (11) to scrape printing materials attached to the leveling roller (11). According to the device, the printing materials attached to the leveling roller (11) can be scraped off by means of the scraping plate (12), thereby avoiding color mixture between adjacent printing layers caused by the printing materials being attached to the leveling roller (11).
Patent WO-2021253740-A1 (WO)
Inventor: FAN ZHENHUA
IPC: B65H37/04
Filed: 2020-12-02
Abstract: 一种双面胶零张力贴胶用的贴胶装置、贴胶机构及贴胶方法，属于一种箔材贴胶设备，其中贴胶装置，包括放卷工位（1）、收卷工位（3）、收卷电机（4）和贴胶组件（6），放卷工位（1）放出双面胶并经贴胶组件（6）将双面胶的胶带贴至箔材后，收卷电机（4）驱动收卷工位（3）对双面胶剩余的隔离纸进行收卷工作；还包括放卷驱动组件（2），放卷驱动组件（2）驱动放卷工位（1）进行放卷工作；在贴胶过程中，放卷工作和收卷工作同步进行；进一步优化收放卷伺服配置，细分多种工况，实现近似零张力贴双面胶，使贴胶后，胶带不回弹、不褶皱，改善箔材和胶带外观；进而改善箔材整个宽幅的平均受力，降低断带几率。
Patent WO-2022073294-A1 (WO)
Title: 具有炉膛侧部观察功能的电子窑炉
Inventor: ZHOU XIAOKENG
IPC: F27B9/40
Filed: 2020-12-09
Abstract: 一种具有炉膛侧部观察功能的电子窑炉，包括炉体，该炉体包括一对炉壁衬，该对炉壁衬位于炉壳内并且在长度方向彼此平行，一对炉壁衬之间的空间构成为炉膛，特点：一对炉壁衬中的至少一个炉壁衬上并且循着炉壁衬的长度方向间隔开设有观察管安装孔，该观察管安装孔朝向所述炉壳的一端通过开设在炉壳上的炉壳让位孔与外界相通，而观察管安装孔朝向所述炉膛的一端与炉膛相通；在对应于所述观察管安装孔的位置设置有一用于观察炉膛内的情形的炉膛侧部观察机构。能借助于炉膛侧部观察机构依需对炉膛的情形观察，以利及时发现炉膛内的诸如匣钵跑偏、扎堆、倾翻以及辊棒断裂之类的情形且有利于为及时采取处置措施赢取时间，避免引发更大的麻烦。
Patent WO-2021147638-A1 (WO)
Inventor: LIN PENG
IPC: G01N33/18
Filed: 2020-12-30
Abstract: A system and method for advanced geological predication by means of TBM-carried radioactive radon. A radon concentration measurement module mounted on a TBM comprises an in-air radon concentration measurement unit (UT1) and an in-water radon concentration measurement unit (UT2); the in-air radon concentration measurement unit (UT1) comprises an air collection bag (1) and a first drying pipe (5a) that are connected in sequence; a filter membrane (2) is provided between the air collection bag (1) and the first drying pipe (5a); one end of the first drying pipe (5a) is provided with an air suction pump (3), and the other end of the first drying pipe (5a) is communicated with a continuous radon measurement instrument (7) by means of a pipeline; the in-water radon concentration measurement unit (UT2) comprises a diffusion bottle (9); a water intake device (13) is provided in the diffusion bottle (9); the diffusion bottle (9) is connected to one end of a second drying pipe (5b), and the other end of the second drying pipe (5b) is connected to the continuous radon measurement instrument (7) by means of a pipeline; the continuous radon measurement instrument (7) measures the content of radon in air and water, and transmits same to a data processing and analysis module (15) for analyzing and calculating radon concentration. The present invention monitors the radon concentration in a TBM tunnel for a long time, and provides a radon concentration graph and an abnormality lower limit in real time.
Patent WO-2021139759-A1 (WO)
Inventor: LIU KAI
IPC: G06F16/532
Filed: 2021-01-08
Abstract: 一种基于分组查找表的相位高频解码、装置及电子设备，涉及三维重建技术领域，通过分别采集第一投影图案序列和第二投影图案序列（201），并将第一投影图案序列和第二投影图案序列进行分组，得到多个分组图案序列（203）；然后基于预设的相位查找表，计算出每一组图案序列中的第一投影图案序列的相位为参考相位，以及计算出每一组图案序列中的第二投影图案序列的相位为包裹相位（205）；接着对包裹相位解缠绕处理，得到每一组分组图案序列对应的绝对相位（207）；最后将所有组分组图案序列的绝对相位取平均值，得到目标相位值（209）。能够减小白噪声的影响，从而降低跳变误差。
Patent WO-2022147826-A1 (WO)
Title: Method and apparatus for uplink transmission
Inventor: LING WEI
IPC: H04L5/00
Filed: 2021-01-11
Abstract: Embodiments of the present application are related to a method and apparatus for uplink transmission. An exemplary method of the present application includes: receiving a downlink control information (DCI) indicating a set of common transmission configuration indication (TCI) states for uplink transmission; and in response to the set of common TCI states being applicable for the uplink transmission, transmitting uplink transmission with repetition according to at least part of the set of common TCI states; or transmitting uplink transmission without repetition according to one of the set of common TCI states or an additional TCI state instead of the set of common TCI states.
Patent WO-2021147743-A1 (WO)
Title: Receiver circuits with blocker attenuating rf filter
Inventor: ABOUDINA MOHAMED
IPC: H04L27/14
Filed: 2021-01-13
Abstract: A receiver circuit includes an amplifier configured to generate an RF signal based on a received signal, where the RF signal includes an information signal and a blocker signal modulating an RF carrier frequency. The receiver circuit also includes an RF filter connected to the amplifier, where the RF filter is configured to selectively attenuate the blocker signal.
Patent WO-2022151254-A1 (WO)
Inventor: YUE RAN
IPC: H04W12/04
Filed: 2021-01-14
Abstract: Des modes de réalisation de la présente demande concernent un procédé et un appareil de transmission de données. Un procédé donné à titre d'exemple de la présente demande consiste à : générer une première unité de données physiques (PDU) sur la base de premières informations de clé provenant d'un réseau sans fil pendant qu'un dispositif terminal est dans un état non connecté avec le réseau sans fil ; recevoir des secondes informations de clé du réseau sans fil ; générer une seconde PDU à partir de la première PDU générée sur la base des secondes informations de clé ; et transmettre la seconde PDU générée à l'intérieur du réseau sans fil.
Patent WO-2021160019-A1 (WO)
Title: Real michael addition crosslinkable coating system comprising adhesion promoter
Inventor: WANG JUNYU
IPC: C09D4/06
Filed: 2021-02-04
Abstract: The present disclosure relates to a Real Michael addition crosslinkable coating system comprising an adhesion promoter P, the adhesion promoter P comprises a compound, oligomer, polymer or their combinations, having at least one multidentate ligand structure Y and at least one group X or precursor moiety thereof capable of reacting with component A or B; the present disclosure also relates to a coating method of the coating system on a substrate surface, and a coated article formed thereby, to the adhesion promoter P and the use thereof for improving the adhesion of the Real Michael addition crosslinkable coating system on a metal surface.
Patent WO-2022062310-A1 (WO)
Title: 虚拟禁区的设置方法、装置和清洁机器人
Inventor: CHEN YUAN
IPC: A47L11/24
Filed: 2021-02-23
Abstract: 一种虚拟禁区的设置方法、装置和清洁机器人。其中，设置方法包括：获取禁区设置指令，禁区设置指令中包括目标区域的信息（S101）；根据目标区域的信息，在机器人地图中确定与目标区域对应的第一目标虚拟禁区（S102）；对第一目标虚拟禁区设置组件标识，以在挂载有与组件标识对应的组件的情况下不进入目标区域（S103）。虚拟禁区的设置方法、装置有利于改善清洁机器人执行清洁任务的灵活性，提高清洁机器人的工作效率。
Patent WO-2021218313-A1 (WO)
Inventor: LIU JIANKANG
IPC: B60L58/12
Filed: 2021-02-23
Abstract: A method for determining the remaining mileage of a vehicle, the method comprising: obtaining the average speed of traffic flow corresponding to the road conditions of each pre-stored segment and driving information of the vehicle at the current collection moment; determining power consumption information according to the average speed of traffic flow corresponding to the road conditions of each segment and the driving information; and determining the remaining mileage according to the power consumption information. The method can simply and accurately predict the remaining mileage of a vehicle. Also disclosed are a device for determining the remaining mileage of the vehicle and the vehicle.
Patent WO-2022178685-A1 (WO)
Inventor: ZENG YUN
IPC: C08L95/00
Filed: 2021-02-23
Abstract: La présente invention concerne un liant d'asphalte modifié ou un mélange et son procédé de préparation. Le liant d'asphalte selon la présente invention comprend de l'asphalte naturel et de l'asphalte de pétrole présentant un rapport pondéral de (30-70):(70-30), la teneur en cendres dans l'asphalte naturel étant inférieure à 60 % par rapport à l'asphalte naturel, et le pourcentage volumique de particules présentant une taille de particules insolubles dans le trichloréthylène supérieure à 6 microns dans le liant d'asphalte est inférieur à 10 %.
Patent WO-2022178702-A1 (WO)
Inventor: SUN HAIYAN
IPC: H01L51/50
Filed: 2021-02-24
Abstract: La présente invention porte sur un dispositif électroluminescent, son procédé de fabrication et un appareil d'affichage. Le dispositif électroluminescent comprend les éléments suivants : une anode ; une cathode ; une couche luminescente, située entre l'anode et la cathode ; et une couche de transport de trous, située entre l'anode et la couche luminescente. La couche de transport de trous comprend un premier composé et un second composé, et la valeur absolue d'un niveau d'énergie de l'orbitale moléculaire occupée la plus élevée du second composé est supérieure ou égale à 5 eV et inférieure ou égale à 6,5 eV.
Patent WO-2021170102-A1 (WO)
Inventor: LIN QIANG
IPC: F16M11/04
Filed: 2021-02-26
Abstract: The present application relates to the technical field of dismounting/mounting connectors, and provides a quick dismounting/mounting connector and a photographing device. The quick dismounting/mounting connector comprises a connection cover, a mounting base, and a fixing mechanism, the connection cover is provided with an insertion portion, and the mounting base is provided with a clamping mechanism for clamping the inserting portion; the fixing mechanism is provided on the connection cover and/or the mounting base and is configured to mount and fix the quick dismounting/mounting connector to the device; the clamping mechanism comprises a locking sleeve and a locking member configured to adjust the locking degree of the locking sleeve, the locking sleeve encloses a mounting space for mounting the insertion portion, and the locking member can be switched between a first position and a second position, so that when the insertion portion is mounted in the mounting space, the locking member can lock or unlock the insertion portion. Compared with the approach in the art that dismounting/mounting connectors of photographing devices perform dismounting/mounting in a threaded connection mode, the dismounting/mounting connector has the advantages of being simple in structure and capable of being quickly mounted or dismounted.
Patent WO-2021185097-A1 (WO)
Title: Method for identifying embedded subscriber identity module (esim) card and terminal device
Inventor: PANG YANG
IPC: H04W8/18
Filed: 2021-03-05
Abstract: The present application is applicable to the technical field of communication technology, and provided therein are a method for identifying an embedded subscriber identity module (eSIM) card, and a terminal device. The method comprises: after completing an initialization process, driving an eSIM card to power on; querying whether the eSIM card is activated or querying whether an activated configuration file profile is present in the eSIM card; and when the query result is that the eSIM card is not activated or no activated profile is present, powering off the eSIM card. An eSIM card not being activated or no activated profile being present in the eSIM card means that a user does not need to use the related function or service of the eSIM card, at which time, powering off the eSIM card can reduce the power consumption of the eSIM card and reduce the power consumption of a UE. An eSIM card not being activated indicates that no profile is present in the eSIM card.
Patent WO-2021190555-A1 (WO)
Inventor: GAO ENBO
IPC: G06F3/06
Filed: 2021-03-24
Abstract: A storage system, a file storage and reading method, and a terminal device. The method can be applied to the field of artificial intelligence, and the terminal device can be a mobile phone, a tablet personal computer, a notebook computer and the like. In an example of a storage system comprising UFS, the storage system realizes multi-disk storage of mixed media by configuring different media forms of the UFS, such as configuring a persistent storage space of the UFS comprising SLC and TLC media forms. Moreover, on the basis of the storage system, a hotspot file related to the application running rate is preferentially selected and stored into an SLC storage area of the UFS, and files of mapped multiple disks are mounted in the same directory of a file system, so that migration of the files between the SLC storage area and an TLC storage area can be realized in the absence of user awareness, and the performance of the storage system is improved; in addition, the UFS is configured to have conversion modes of multiple media forms, so that requirements of users for performance and capacity are balanced, the running rate is ensured, and user experience is improved.
Patent WO-2021204027-A1 (WO)
Inventor: CHEN XIANG
IPC: H04R1/40
Filed: 2021-03-30
Abstract: 本申请适用于音频处理技术领域，提供了一种麦克风阵列控制方法、装置、电子设备及计算机存储介质。在本申请的方法中，如果电子设备获取到的语音信号满足预设切换条件，则电子设备会进入低功耗状态，识别拾音位置，根据拾音位置针对性选取目标麦克风组合，根据目标麦克风组合对麦克风阵列进行控制。麦克风阵列在工作的过程中，只使用部分麦克风，针对性地采集拾音位置的语音信号，减少了工作的麦克风数量。麦克风阵列中工作的麦克风越少，麦克风阵列的功耗越低，减少麦克风阵列中工作的麦克风可以有效降低了麦克风阵列的功耗，提高了电子设备的电池续航能力，解决了现有的麦克风阵列应用方案中，麦克风阵列的功耗较大，电子设备续航时间短的问题。