baber/WOPTO huggingface dataset:
Patent WO-2022160173-A1 (WO)
Inventor: SHI MINGLIN
IPC: B25B23/00
Filed: 2021-01-28
Abstract: A hand tool (100,200) may include a head portion (110,210) configured to interface with a fastener, a shaft (120,220) and a grip portion at which an operator is enabled to hold the hand tool during operation, and a flexible interface (130,230) configured to operably couple the shaft and the head portion in a locked state and an unlocked state. The flexible interface is also configured to enable the head portion to pivot relative to the shaft about a pivot axis that extends substantially perpendicular to a direction of extension of the shaft. In the unlocked state, an angle of the head portion may be pivotable relative to the pivot axis. In the locked state, the angle of the head portion may be fixed. The flexible interface may include a locking assembly (150) including an actuator (152, 250, 250') having a locked position defining the locked state and an unlocked position defining the unlocked state. The flexible interface may also include a retention assembly (160) configured to retain the actuator in each respective one of the locked position and the unlocked position.
Patent WO-2022165703-A1 (WO)
Inventor: LUO JUNJIE
IPC: B65H47/00
Filed: 2021-02-04
Abstract: 本发明属于铺布机控制领域，尤其涉及一种实现扫码识别控制的铺布机控制方法，在铺布机上增加扫码识别接口和数据转换控制系统，通过扫码识别接口实现了铺布机对扫码枪的支持，通过数据转换控制系统实现扫码信息到铺布指令的转换，从而实现扫描一维、二维码对铺布机拉布参数和动作的控制。本发明通过扫码识别接口实现了铺布机对扫码枪的支持，通过扫码即可控制铺布机的设备状态和参数，通过数据转换控制系统实现了铺布机的自动化、信息化接口，从而实现铺布机与信息系统联动。
Patent WO-2021227607-A1 (WO)
Title: Secondary cell adding method, terminal and chip
Inventor: WANG FENG
IPC: H04W60/04
Filed: 2021-03-02
Abstract: A secondary cell adding method, a terminal and a chip, relating to the technical field of communication. The method comprises: the terminal residing in a first primary cell which supports a non-independent network; the terminal receiving a secondary cell measurement message sent by a network device, wherein the secondary cell measurement message comprises a frequency point and a first signal energy threshold of a first secondary cell and a frequency point and a second signal energy threshold of a second secondary cell; performing secondary cell measurement according to the frequency point of the first secondary cell, wherein the frequency point priority of the first secondary cell is higher than that of the second secondary cell; and when the signal energy detected on the frequency point of the first secondary cell is greater than or equal to the first signal energy threshold, the terminal performing an adding operation of the first secondary cell. The technical solution enables the added secondary cell to better meet the communication requirement, thereby improving the user experience.
Patent WO-2021180144-A1 (WO)
Title: 一种多链路通信方法及装置
Inventor: GAN MING
IPC: H04W76/15
Filed: 2021-03-10
Abstract: 本申请实施例涉及通信领域，尤其涉及一种多链路通信方法及装置。本申请实施例提供一种多链路通信方法及装置，STA MLD的一个STA在所述站点对应的链路上发送信息帧，所述信息帧用于指示所述STA MLD中处于苏醒状态的STA。AP MLD接收所述信息帧，在STA MLD中处于苏醒状态的STA中的部分或全部STA对应的Link上发送下行消息帧，以协助所述部分或全部站点快速接入信道，而不需要等待NAVSyncDelay的时间，从而，提高了苏醒STA接入信道的时效，节省了苏醒STA的功耗。
Patent WO-2022105077-A1 (WO)
Inventor: GUO FENGSHAN
IPC: H05K7/20
Filed: 2021-03-12
Abstract: A ventilation and heat dissipation apparatus of a wind power boosting rotor, comprising a cylinder (2), a top cover (3), and a rain shielding plate (4). The top cover (3) is arranged at the top of the cylinder (2) and covers the top; a manhole (1) is formed on the top cover (3); the manhole (1) is communicated with an inner cavity of the cylinder (2). The rain shielding plate (4) covers and is arranged above the manhole (1), and the rain shielding plate (4) is spaced apart from the top cover (3) to form a heat dissipation gap communicated with the external atmosphere.
Patent WO-2022033029-A1 (WO)
Inventor: DU JIANJUN
IPC: H04L1/00
Filed: 2021-03-16
Abstract: Provided is a wireless transmission method for a signal of a nuclear magnetic resonance imaging device. The method comprises: a local coil unit receiving an MR analog signal; after sequentially passing through a first frequency mixer, an analog-to-digital converter and a digital down converter, obtaining an MR digital baseband signal; performing interleaving, rate matching and channel coding on the MR digital baseband signal, so as to map the MR digital baseband signal to a wireless channel; after performing OFDM modulation on the digital signal, sending the digital signal to a wireless air interface; a receiver receiving the signal from the wireless air interface, and performing OFDM demodulation; performing channel decoding, de-rate matching and de-interleaving, so as to restore the MR digital baseband signal; and after the MR digital baseband signal sequentially passes through a digital up-converter, a digital-to-analog conversion module and a second frequency mixer, obtaining the MR analog signal. By means of the method provided in the present invention, the power consumption and costs can be reduced, a better image quality and a higher signal-to-noise ratio can be obtained, the spectrum utilization rate and reliability of wireless transmission of a nuclear magnetic resonance signal are ensured, and a system can also be more concise due to the wireless transmission of the signal.
Patent WO-2021190413-A1 (WO)
Inventor: ZHAO DONGMEI
IPC: A61P35/00
Filed: 2021-03-19
Abstract: The present invention relates to a compound for targeted degradation of focal adhesion kinase and a medical application thereof. The present invention belongs to the technical field of medicines and provides a compound represented by general formula (I) or a geometric isomer, pharmaceutically acceptable salt, hydrate, solvate, or prodrug thereof and a preparation method therefor. The compound has good degradation activity on FAK kinase.
Patent WO-2022151584-A1 (WO)
Inventor: CAI YOUFEI
IPC: B60R25/25
Filed: 2021-03-22
Abstract: 提供了一种电动车解锁控制方法，包括以下步骤：采集输入的指纹信息（S101）；判断输入的指纹信息与预设的解锁指纹信息是否匹配（S102）；基于传感器检测电动车的姿态信息（S103）；当输入的指纹信息与解锁指纹信息相匹配，且姿态信息符合解锁条件时，控制电动车启动运行（S104）。还提供了一种电动车解锁控制装置和电动车。通过指纹识别可以有效判别使用者身份，并根据电动车的姿态信息可以有效辨别使用者的使用意图，避免了误操作导致触发车辆启动而造成事故，同时提高了电动车的防盗功能。并且只有在电动车处于扶正状态下才能实现指纹解锁实现电动车的开机操作，符合使用者驾驶电动车前的开机使用习惯，提升使用者智能驾驶电动车的使用体验。
Patent WO-2022126929-A1 (WO)
Inventor: MA GUANGXING
IPC: B22D17/22
Filed: 2021-03-30
Abstract: 一种轻量化阀体压铸模具，包括：上模组件（1）；下模组件（2），其与所述上模组件相对设置；第一抽芯组件（3），其设于所述上模组件及所述下模组件两者之间；第二抽芯组件（4），其设于所述上模组件及所述下模组件两者之间；第三抽芯组件（5），其设于所述上模组件及所述下模组件两者之间；以及第四抽芯组件（6），其设于所述上模组件及所述下模组件两者之间；在该模具中，通过设置多组抽芯组件来成型出工件的多个通孔，使得工件可在单个模具中整体成型完成，不需要在多个模具之间搬运加工，进而大大提高了工作效率。
Patent WO-2021204062-A1 (WO)
Title: Training ball
Inventor: MIAO GUOPING
IPC: A63B67/00
Filed: 2021-04-01
Abstract: A training ball; the ball body is an ellipsoid, and the ellipsoid comprises a polyurethane foam core layer and a polyurethane self-skin formation layer that are formed as one body; the ellipsoid has a surface Shore hardness of 5 HC-35 HC, and the weight of the ellipsoid is 6 g-13 g; and the measure of the longest axis among the X, Y and Z axes of the ellipsoid is 4.3 cm-5.5 cm, and the measure of the shortest axis is 3.7 cm-4.2 cm. The beneficial technical effects of the present utility model are: 1. the ball body, upon being hit, is ejected in a direction in which the pattern of movement is uncertain, which can better train the agility and coordination of the body of an athlete; 2. the ball provides entertainment and provides a challenge, can better promote limb and eyeball activity, helps to keep individuals fit and healthy, and is beneficial for vision health; and 3. the ball has good outdoor wind-resistance, is safe and reliable for use, is comfortable, and has better functionality.
Patent WO-2021204084-A1 (WO)
Title: Frequency offset estimation method and apparatus, electronic device, and computer-readable medium
Inventor: LI SHUANGXI
IPC: H04L27/26
Filed: 2021-04-02
Abstract: A frequency offset estimation method, comprising: extracting sampling points from an input signal according to set intervals, to obtain a plurality of sampling point groups, the set intervals of the sampling point groups being different; processing a current sampling point and extracted sampling points in each sampling point group respectively, to obtain complex angle data corresponding to the set intervals; and determining a frequency offset estimation value of the current input signal by using the complex angle data corresponding to the set intervals. The present application further provides a frequency offset estimation apparatus, an electronic device, and a computer-readable medium.
Patent WO-2022213254-A1 (WO)
Title: Partial frequency sounding
Inventor: LIU BINGCHAO
IPC: H04W72/04
Filed: 2021-04-06
Abstract: Methods and apparatuses for are disclosed. A method comprises receiving a MAC CE indicating a P F value and a value indicating a starting position k offset in frequency domain for a SRS resource; and transmitting the SRS resource in m P contiguous resource blocks starting from k 0 (p i  ) + k offset, where m P is the largest integer that is equal to or smaller than (I), wherein m SRS,B SRS is the allocated sounding frequency band of the SRS resource configured by RRC signaling, and k 0 (p i  ) is the start position of the SRS resource determined by RRC signaling.
Patent WO-2021223664-A1 (WO)
Title: Methods for treating coronavirus infections
Inventor: ZHAI YIFAN
IPC: A61K31/496
Filed: 2021-04-29
Abstract: A method for treating patients with viral infections, particularly coronavirus infections, wherein the method comprises administering to the patient a therapeutically effective amount of a compound of any one of formulas (I)-(VI) or Compound 1, 2, 3, 4, or 5, or a pharmaceutically acceptable salt thereof.
Patent WO-2022205556-A1 (WO)
Inventor: AN JUNJIE
IPC: H01L29/78
Filed: 2021-05-06
Abstract: 本公开内容涉及绝缘栅双极型晶体管(IGBT)装置及其制造方法。根据本公开内容的IGBT装置包括：第一导电类型的衬底；以及多个沟槽，其从衬底的上表面向下形成以具有沿第一方向延伸的彼此平行的条形形状并且其中分别设置有多个栅极。在沟槽之间形成有源区，并且有源区具有沿第一方向延伸的第一导电类型的源极区和第二导电类型的接触区，接触区具有在垂直于第一方向的第二方向上的第一宽度和不同于第一宽度的第二宽度，第一宽度和第二宽度沿第一方向交替布置，并且沟槽具有在第二方向上的均匀的第三宽度。
Patent WO-2021244252-A1 (WO)
Title: SerDes控制方法、装置及存储介质
Inventor: YAN HAIXIAO
IPC: G06F13/42
Filed: 2021-05-13
Abstract: 本申请提供一种SerDes控制方法、装置及存储介质，属于通信领域。该方法包括：获取所述SerDes的速率变化时刻；响应于确定所述SerDes的工作时刻达到所述速率变化时刻，控制所述SerDes的速率在第一预设速率与第二预设速率之间进行切换。
Patent WO-2022241595-A1 (WO)
Inventor: WANG WENBIN
IPC: D06F57/12
Filed: 2021-05-17
Abstract: La présente invention concerne un ensemble d'étendage du linge comportant des paniers de stockage et un système d'étendage du linge. L'ensemble d'étendage du linge comprend des tiges d'étendage fixes, des ensembles télescopiques et des paniers de stockage. Les ensembles télescopiques sont disposés de manière télescopique aux extrémités des tiges d'étendage fixes; les extrémités extérieures des paniers de stockage sont reliées aux ensembles télescopiques; les tiges d'étendage fixes sont pourvues de fentes coulissantes s'étendant dans le sens de la longueur de celles-ci; les extrémités internes des paniers de stockage sont pourvues d'éléments coulissants correspondant aux fentes coulissantes; les paniers de stockage peuvent se déplacer à l'intérieur et à l'extérieur avec les ensembles télescopiques; lorsqu'un utilisateur tire les ensembles télescopiques à l'intérieur et à l'extérieur pour les étendre ou les rétracter, les paniers de stockage peuvent être entraînés pour se déplacer à l'intérieur et à l'extérieur; dans le processus d'extension d'une zone d'étendage, les relations de position des composants d'un étendoir à linge sont optimisées et la liaison est améliorée.
Patent WO-2022001489-A1 (WO)
Title: Unsupervised domain adaptation target re-identification method
Inventor: JIN YI
IPC: G06N3/08
Filed: 2021-05-25
Abstract: An unsupervised domain adaptation target re-identification method. The method comprises: constructing a multiscale domain adaptation attention learning network utilizing a source domain dataset and a target domain dataset to train the multiscale domain adaptation attention learning network, calculating multitasking losses of the multiscale domain adaptation attention learning network, and when the values of the multitasking losses converge, producing a trained multiscale domain adaptation attention learning network; utilizing the trained multiscale domain adaptation attention learning network to construct an unsupervised domain adaptation target re-identification model, and utilizing the unsupervised domain adaptation target re-identification model for target re-identification processing of an inputted image. The method reduces domain differences by splitting a feature map into a target-related feature map and a domain-related feature map, maps the feature maps in different scales, performs splitting in multiple scales, and allows multiscale feature expression that is only domain-related to be learned, thus achieving optimal performance.
Patent WO-2021238963-A1 (WO)
Inventor: HU HAIWEN
IPC: C07D213/127
Filed: 2021-05-26
Abstract: 本发明提供了一种(S)-2-(3S,8S)-3-(4-(3,4-二氯苄氧基)苯基-7-((S)-1-苯丙基)-2,3,6,7,8,9-六氢-[1,4]-二氧杂环己烯并[2,3-g]异喹啉-8-甲酰氨基)-3-(4-(2,3-二甲基吡啶-4-基)苯基)丙酸二盐酸盐的关键中间体(S)-2-氨基-3-[4-(2,3-二甲基吡啶-4-基)苯基]丙酸甲基酯二酸盐的制备方法，该方法与现有技术相比，无需经过色谱柱分离纯化，具有成本低、收率高的优点，更适合于工业化生产。
Patent WO-2022012231-A1 (WO)
Title: Video generation method and apparatus, and readable medium and electronic device
Inventor: JIN XIAOJIE
IPC: H04N5/272
Filed: 2021-06-09
Abstract: The present disclosure relates to a video generation method and apparatus, and a readable medium and an electronic device. The method comprises: acquiring an original image corresponding to a target frame, and identifying a target object in the original image; according to a sliding zooming strategy, performing sliding zooming processing on an initial background image in the original image excluding the target object, so as to obtain a target background image, wherein the sliding zooming strategy is at least used for indicating a sliding direction and a zooming direction of the initial background image, and the sliding direction is opposite to the zooming direction; according to the position of the target object in the original image, superimposing an image of the target object onto the target background image to obtain a target image corresponding to the target frame; and generating a target video on the basis of the target image corresponding to the target frame. In this way, a video with a sliding zooming effect can be obtained without needing to use a specific photographing technique nor requiring manual processing, such that the data processing efficiency is high.
Patent WO-2021254518-A1 (WO)
Inventor: ZHANG XIAOGUANG
IPC: C12N15/10
Filed: 2021-06-21
Abstract: 一种样品处理及检测装置，可在短时间内高效完成样品，例如病原体核酸的提取和检测，且具有良好的安全性和便利性。
Patent WO-2022001852-A1 (WO)
Inventor: CHEN WEI
IPC: H04L1/00
Filed: 2021-06-25
Abstract: 本公开提供了控制无线通信网络或传感器的电子设备以及方法。控制无线通信网络的电子设备，包括处理电路，所述处理电路被配置为：获取无线接入节点的通信状态信息；根据无线接入节点的通信状态信息，选择与所述通信状态信息对应的目标信道编码方案；以及将无线接入节点切换至使用目标信道编码方案发送数据。
Patent WO-2022042117-A1 (WO)
Inventor: ZHUO PENG
IPC: B66C13/10
Filed: 2021-07-15
Abstract: A steel wire rope pre-tightening device and a crane. The steel wire rope pre-tightening device comprises a rack (100), two chain transmission devices (200) and a driving device (300), wherein the two chain transmission devices are arranged on the rack in parallel, each chain transmission device comprises a transmission chain (210), a chain driving wheel (220) and a chain driven wheel (230), the transmission chain is arranged on the chain driving wheel and the chain driven wheel in a sleeved manner, and the chain driving wheel and the chain driven wheel are rotationally arranged on the rack; the two transmission chains are used for tightly holding a steel wire rope penetrating the position between the two chain transmission devices, and when the steel wire rope is taken up, the steel wire rope can drive the two transmission chains to conduct synchronous transmission; and the driving device is arranged on the rack and is used for applying a reverse torque (600) to each chain driving wheel, such that a pre-tightening force with a direction opposite a transmission direction (800) of the transmission chain is generated on each transmission chain. The steel wire rope pre-tightening device can provide a pre-tightening force when the steel wire rope is taken up, the rope arranging quality is improved, and the service life of the steel wire rope is prolonged.
Patent WO-2022267163-A1 (WO)
Inventor: YAN YINGQIANG
IPC: H01L23/66
Filed: 2021-07-27
Abstract: A filter radio frequency module packaging structure (010) and a method for manufacturing same, relating to the field of semiconductors. A first filter chip (200) of the filter radio frequency module packaging structure (010) comprises a chip main body (210) and a wall structure (220), the wall structure (220) being connected to a functional surface of the chip main body (210). The wall structure (220), the functional surface, and a substrate (100) together define a closed cavity (230), or the wall structure (220) and the functional surface together define a closed cavity (230). An encapsulation material (500) wraps the first filter chip (200). By enabling the wall structure (220) and the chip main body (210) to form a closed cavity (230), or enabling the wall structure (220), the chip main body (210) and the substrate (100) together to define a closed cavity (230), the use of adhesive films can be reduced, and the volume of the encapsulation material (500) is prevented from being too large. In addition, the encapsulation material (500) can also be prevented from entering the cavity (230) to affect the function of the chip.
Patent WO-2022198916-A1 (WO)
Title: 一种全固态薄膜锂电池正极薄膜的制造方法及锂电池
Inventor: WU YONGMIN
IPC: H01M4/1391
Filed: 2021-08-26
Abstract: 本发明公开了一种全固态薄膜锂电池正极薄膜的制造方法及锂电池，方法包含：步骤1，制备富氧正极薄膜，并退火晶化；步骤2，在步骤1制备的富氧正极薄膜的表面，制备高活性正极薄膜并退火；其中，所述制备方法的退火温度不大于500℃。本发明是先制备了热力学状态更稳定的底层，也就是富氧层结构，再在其表面制备动力学传导更好的上层，也就是高活性结构。本发明的方法可以在不大于500℃的温度条件下，实现全固态薄膜锂电池正极薄膜的晶化。
Patent WO-2022100300-A1 (WO)
Inventor: ZHANG KUN
IPC: G06Q10/06
Filed: 2021-09-26
Abstract: 一种跨设备任务接力方法、装置、云平台及存储介质，属于任务接力领域。该方法通过云平台预先协调组织可用于进行跨设备任务接力的目标设备，使得可以在用户无感知的情况下实现同一任务在不同设备中的接力执行，从而提高了跨设备任务接力的效率，同时可以避免设备更替对任务执行连贯性的打断。
Patent WO-2023039941-A1 (WO)
Title: Agent de nucléation de triaminotoluène, procédé de préparation et procédé d'utilisation
Inventor: HUANG MUHUA
IPC: C08K5/20
Filed: 2021-09-27
Abstract: L'invention concerne un agent de nucléation composé de N,N,N-triacyl-2,4,6-triaminotoluène, son procédé de préparation et son procédé d'utilisation. L'agent de nucléation est utilisé pour la nucléation de polymère à des températures élevées, et peut réduire de manière efficace le trouble dans un film polymère, et augmenter la température de cristallisation et la qualité du produit ; par exemple, lorsqu'il agit sur une plaque T30S, par comparaison à une plaque T30S sans agent de nucléation, la valeur de trouble est réduite par 12,98, et la température de cristallisation est augmentée de 10,3 °C. L'agent de nucléation présente des avantages de propriétés intermédiaires stables, des conditions de réaction relativement modérées, un faible coût, un temps court et une réduction de risque efficace pendant la synthèse, et est bénéfique pour la production industrielle.
Patent WO-2022068838-A1 (WO)
Inventor: WANG YE-KUI
IPC: H04N19/50
Filed: 2021-09-29
Abstract: Systems, methods and apparatus for encoding, decoding or transcoding digital video are described. One example method of processing video data includes performing a conversion between a video and a bitstream of the video according to a format rule, wherein the format rule specifies that a supplemental enhancement information field or a video usability information syntax structure included in the bitstream indicates whether the bitstream comprises a multiview bitstream in which multiple views are coded in multiple video layers.
Patent WO-2023060538-A1 (WO)
Inventor: WANG XIAO FENG
IPC: H04W84/06
Filed: 2021-10-15
Abstract: Certains aspects de la présente divulgation concernent des techniques de signalisation d'un décalage de planification destinée à des réseaux non terrestres (NTN). Selon un aspect, un procédé permettant des communications sans fil au moyen d'un équipement utilisateur (UE) comprend les étapes consistant à : recevoir une première signalisation indiquant une première partie d'un décalage de planification associé à une avance temporelle (TA) commune ; recevoir une seconde signalisation indiquant une seconde partie du décalage de planification ; et transmettre une transmission en liaison montante sur la base des première et seconde parties du décalage de planification.
Patent WO-2023065070-A1 (WO)
Inventor: Le Meiyan
IPC: G06T7/00
Filed: 2021-10-18
Abstract: Procédé de segmentation d'image médicale multi-domaine basé sur l'adaptation de domaine. Le procédé consiste : à former un autocodeur variationnel à l'aide d'une fonction de perte définie comme cible pour extraire des codes d'espace latent de différents domaines et de vecteurs de style de domaines correspondants, l'autocodeur variationnel comprenant un codeur et un décodeur ; pour une image à traiter, à utiliser l'autocodeur variationnel pour inférer des informations de domaine et extraire des vecteurs de style de domaine, et à soustraire des vecteurs de style de domaines correspondants à partir de codes d'espace latent de l'image pour obtenir des codes d'espace latent non stylisés ; à introduire l'espace latent non stylisé dans le décodeur pour reconstruire une image présentant un style unifié ; et à introduire l'image présentant un style unifié dans un réseau de segmentation formé pour obtenir un résultat de segmentation. Selon le procédé, des espaces de domaine entre des données multi-domaine sont éliminés, le volume de données destiné à la formation du réseau de segmentation est augmenté, et la précision de segmentation d'image est améliorée.
Patent WO-2022111160-A1 (WO)
Inventor: WANG YAFEI
IPC: H01L21/336
Filed: 2021-10-22
Abstract: 一种碳化硅器件的元胞结构、其制备方法及碳化硅器件，元胞结构包括：多个间隔设置于漂移层（202）表面内的第二导电类型阱区（203）；位于阱区（203）表面内的源区；位于相邻两个阱区（203）之间的栅极沟槽；位于漂移层（202）内且纵向间隔设置于栅极沟槽下方的第二导电类型屏蔽区（206）；其中，屏蔽区（206）的顶部与栅极沟槽的底部和阱区（203）的底部接触。通过在栅极沟槽底部设置纵向间隔的第二导电类型的屏蔽区（206），可大幅降低阻断状态下器件的栅极介质层的电场应力，大幅提高器件的长期使用可靠性；屏蔽区（206）与源极金属层（211）电连接，可以提高器件的开关频率，降低开关损耗。
Patent WO-2023070287-A1 (WO)
Inventor: ZHOU MOLIN
IPC: H01M4/36
Filed: 2021-10-25
Abstract: 本申请提供一种正极极片、电化学装置及电子装置，所述正极极片包括正极膜层，所述正极膜层包括化学式1所示的第一正极活性材料和化学式2所示的第二正极活性材料，各下标分别如本文所定义。本申请能改善正极极片的加工性能，补偿首圈充放电过程中活性锂的不可逆损失，使电化学装置同时具有高能量密度、长循环寿命和良好倍率性能。 Li 1+xCo yM1 1-yO 2-zA z 化学式1 Li 2+rNi pCu qTi uM2 vO 2-sB s 化学式2
Patent WO-2022116859-A1 (WO)
Inventor: WU YUFENG
IPC: C22B1/00
Filed: 2021-11-22
Abstract: The present invention relates to a method for separating and extracting rare earth and regenerated rare earth polishing powder from waste rare earth polishing powder. The method is characterized by comprising: first using a primary acid leaching-alkali fusion-secondary acid leaching combined treatment process to separate and extract rare earth in waste rare earth polishing powder to obtain a rare earth chloride leaching solution; then using ammonia water for precipitation and impurity removing, and using hydrochloric acid for acidolysis to obtain a purified rare earth chloride solution; then, using a rare earth chloride solution obtained by means of coprecipitation of hydrofluoric acid, an ammonium bicarbonate solution, and a dispersing agent to obtain cerium lanthanum fluorocarbonate powder; and finally, by means of drying, two-stage high-temperature calcination, and ball milling, obtaining the regenerated rare earth polishing powder having good polishing performance. According to the present invention, the total leaching rate of the rare earth in the waste rare earth polishing powder reaches 95% or above, the total recovery rate of the rare earth reaches 93% or above, and efficient separation, extraction and recycling of the rare earth in the waste rare earth polishing powder are achieved.
Patent WO-2022227515-A1 (WO)
Title: 一种驻车执行器软开关控制方法
Inventor: LIU LEI
IPC: H02P3/08
Filed: 2021-11-23
Abstract: 本发明公开了一种驻车执行器软开关控制方法，包括：获取驻车执行器输出轴的位置，并与驻车执行器执行的目标位置进行差值计算，得到的差值输入到PID控制器；PID控制器根据输入差值产生一定占空比的脉冲宽度调制信号PWM_0；PWM_0经过斜率控制模块处理，输出占空比以固定步长进行递增或递减的脉冲宽度调制信号PWM_1；在电机关断时，还检测直流电机输入端电压，电机输入端电压设置直流电源电压的利用率；脉冲宽度调制信号PWM_1输入到MOSFET全桥电路中，控制减缓MOSFET全桥电路输出电压的变化，MOSFET全桥电路输出电压作为直流电机的输入端电压，直流电机控制驻车执行器执行动作，有效的降低了启动和关断过程的电压、电流波动问题，降低电压抬升的情况。