baber/WOPTO huggingface dataset:
Patent WO-2020062226-A1 (WO)
Inventor: LI WEIRAN
IPC: H04N19/61
Filed: 2018-09-30
Abstract: Provided by embodiments of the present invention are a coding device control method and device and a storage medium. The method comprises: determining a search area in a reference image of a current image block to be encoded, the reference image in the search area being a search image, and the reference image being stored in an external memory; acquiring image units that are not stored in a cache within N target image blocks from the external memory according to a sequence, wherein a target image block is a search image in a target area of the search area, N is an integer greater than or equal to 2, first M target image blocks of the N target image blocks form rectangular images, and M is any integer less than or equal to N; and storing the acquired image units in the cache. Thus, every time an image unit in the target image block which is not stored in the cache is acquired and stored in the cache, the images stored in the cache are rectangular images that can be used for motion search, which improves the utilization rate of bandwidth resources and coding efficiency.
Patent WO-2019105374-A1 (WO)
Inventor: ZENG ZANJIAN
IPC: H04N5/225
Filed: 2018-11-28
Abstract: 本申请提供了一种摄像头组件及一种移动终端。该摄像头组件包括固定架、支撑装置、导向装置、摄像头模组和第二磁性结构，支撑装置具有第一磁性结构，导向装置分别与固定架和支撑装置连接，支撑装置通过导向装置与固定架滑动连接，摄像头模组设置于支撑装置上，第二磁性结构用于产生磁场，第二磁性结构与第一磁性结构相互作用，以在支撑装置的滑动方向上对支撑装置施加供支撑装置滑动的力，支撑装置在导向装置地导向下滑动。本方案可以达到摄像头模组自由伸出移动终端的目的。
Patent WO-2020107355-A1 (WO)
Title: Flexible apparel item, shelf, display control method, and system
Inventor: YANG BING
IPC: A41D1/00
Filed: 2018-11-29
Abstract: A shelf, a flexible apparel item, a display control method, and a system. The display control method comprises: receiving a selection operation of a user with respect to a target flexible apparel item; controlling, in response to the selection operation, a storage container storing the target flexible apparel item, such that the user is capable of taking out the target apparel item (100); and transmitting one or more multimedia files to the target flexible apparel item (102). The invention enables a storage container of a target flexible apparel to be opened according to a selection operation of a user, and a multimedia file to be subsequently transmitted to the target flexible apparel item, thereby improving the user experience.
Patent WO-2020103187-A1 (WO)
Title: Photomask for use in manufacturing active switch and manufacturing method of display panel
Inventor: WU CHUAN
IPC: G03F1/00
Filed: 2018-12-04
Abstract: Disclosed are a photomask for use in manufacturing an active switch and a manufacturing method of a display panel. The photomask comprises a light-blocking region, a translucent region, a transparent region and an exposed region. The light-blocking region corresponds to a metal layer of an active switch, and is configured to be non-optically transmissive. The translucent region corresponds to a channel region of the active switch, and is configured to be partially optically transmissive. The transparent region is the remaining region of the photomask other than the light-blocking region and the translucent region, and is configured to be fully optically transmissivent. The exposed region is positioned within the translucent region, and is configured to be fully optically transmissive.
Patent WO-2019141030-A1 (WO)
Inventor: ZHANG XIANG
IPC: H04M1/02
Filed: 2018-12-14
Abstract: Selon certains modes de réalisation, la présente invention concerne un appareil électronique comprenant : un passage ; une plaque d'entraînement reliée de manière fixe à un module de caméra ; un engrenage d'entraînement monté sur un arbre de sortie d'un moteur d'entraînement ; et un suiveur engrené avec l'engrenage d'entraînement et une crémaillère de la plaque d'entraînement, le diamètre du suiveur étant supérieur au diamètre de l'engrenage d'entraînement. Le moteur d'entraînement est apte à entraîner la rotation de la roue menante et du suiveur, de façon à entraîner la plaque d'entraînement à se déplacer depuis le passage vers l'extérieur de l'appareil électronique, de sorte que le module de caméra tourne depuis l'intérieur du passage vers l'extérieur de l'appareil électronique.
Patent WO-2020143019-A1 (WO)
Title: Retransmission de données dans un réseau sans fil
Inventor: XIN YAN
IPC: H03M13/25
Filed: 2019-01-11
Abstract: L'invention concerne des procédés et des dispositifs de transmission de données, consistant : à segmenter un groupe de bits d'informations en un ensemble de blocs d'informations qui comprennent chacun une pluralité respective de bits d'informations ; à coder, au moyen d'un codage de contrôle de parité faible densité (LDPC), chacun des blocs d'informations afin de générer des mots de code correspondants ; à transmettre les mots de code à une station destinataire ; à recevoir un message de rétroaction indiquant qu'au moins un mot de code parmi les mots de code n'a pas été décodé avec succès par la station destinataire ; à entrelacer les bits d'informations du bloc d'informations correspondant audit mot de code ; à coder, au moyen d'un codage de contrôle de parité faible densité (LDPC), les bits d'informations entrelacés afin de générer un mot de code entrelacé ; et à transmettre le mot de code entrelacé à la station destinataire.
Patent WO-2020042544-A1 (WO)
Inventor: ZHAO JIANKUN
IPC: H01M50/204
Filed: 2019-02-12
Abstract: A fixing device for an energy body group. The energy body group comprises multiple strings of battery cells (2), and the fixing device comprises: a support (3), a cover plate (4), and multiple first conductive units (5); the support is used for placing the multiple strings of energy bodies, one string of energy bodies is provided with one first conductive unit (5), each of the first conductive units (5) is used for being electrically connected to one corresponding string of energy bodies thereof; and the support (3) is disposed on the outer side of the multiple first conductive units (5) and forms wrapping for the energy body group together with the cover plate (4). The fixing device overcomes the defects in the prior art that a battery cell pack is damaged and inconvenient to replace, a large amount of time and materials are wasted, maintenance costs are expensive, and the like, and achieves the purposes of more convenient disassembly and maintenance when the battery is damaged, and reducing the maintenance costs.
Patent WO-2020133674-A1 (WO)
Inventor: JIN HAIZU
IPC: H01M50/249
Filed: 2019-02-27
Abstract: 本申请涉及一种电池模组以及电池包。电池模组包括：冷却部件；电池组合体，电池组合体包括两个以上的二次电池，两个以上的二次电池沿第一方向并排设置，二次电池包括具有容纳孔的壳体、设置于容纳孔内的电极组件以及与壳体密封连接以将电极组件密封于壳体内的顶盖组件，电极组件包括沿第二方向相对设置的两个端面以及从每个端面延伸出的极耳，第一方向与第二方向相交；其中，二次电池具有沿第二方向上的相对两侧，两侧中的至少一侧设置冷却部件，冷却部件与端面沿第二方向分别设置于壳体的两侧并且冷却部件与各个二次电池连接固定。本实施例的电池模组自身冷却性能好，工作过程中产生的热量能够快速扩散，保证工作状态良好。
Patent WO-2020082654-A1 (WO)
Inventor: TANG ZHIQUAN
IPC: A61N5/10
Filed: 2019-02-27
Abstract: 本发明公开一种基于复合双重旋转机架的加速器非共面放射治疗装置，包括沿xz平面转动的主机架、与主机架转动连接的次机架，次机架沿yz平面转动，主机架承载有两套CBCT子系统，两套CBCT子系统正交布置，次机架承载有加速器辐射头和EPID平板探测器。本发明可实现多线束立体定向放射治疗，结构简洁、等中心精度高、成本较低、运行高效、治疗安全。
Patent WO-2020177008-A1 (WO)
Inventor: CHEN SHUAI
IPC: G09G3/20
Filed: 2019-03-01
Abstract: A shift register (400) and a driving method therefor, and a gate driving circuit. The shift register (400) comprises: an input circuit (410), a reset circuit (420), a first output circuit (430) and a second output circuit (440), wherein the input circuit (410) is configured to provide a first node (PU) with an input signal from an input end (INPUT); the reset circuit (420) is configured to provide the first node (PU) with a first voltage from a first voltage end (V1) under the control of a reset signal from a reset signal end (RESET); the first output circuit (430) is configured to output, based on a first control signal (ctr1), a second control signal (ctr2) and the voltage of the first node (PU), one of a first clock signal (CLK1) and a second clock signal (CLK2) from a first output end (OUT1), and to use same as a first scanning signal; and the second output circuit (440) is configured to output, based on the first control signal (ctr1), the second control signal (ctr2) and the voltage of the first node (PU), another one of the first clock signal (CLK1) and the second clock signal (CLK2) from a second output end (OUT2), and to use same as a second scanning signal.
Patent WO-2020181471-A1 (WO)
Inventor: ZHOU YIMIN
IPC: H04N19/593
Filed: 2019-03-11
Abstract: Disclosed in the embodiments of the present application are an intra-frame prediction method and apparatus and a computer storage medium, the intra-frame prediction method comprising: when receiving a residual matrix, looking up a prediction model corresponding to a codeword identifier, the codeword identifier being an identifier corresponding to a prediction model determined on the basis of the rate-distortion cost in the encoding stage; when the prediction model is a first prediction model, determining a reconstruction decoding block adjacent to the current encoding block in a preset direction; inputting the reconstruction decoding block into the first prediction model to obtain a predicted pixel value of the current decoding block; and, on the basis of the predicted pixel value and the residual matrix, obtaining a decoding pixel value of the current decoding block.
Patent WO-2020191585-A1 (WO)
Inventor: ZHANG GUANJUN
IPC: G06F3/0354
Filed: 2019-03-25
Abstract: La présente invention concerne un procédé et un système de transmission de signal, un stylet actif, un écran tactile, et un support de stockage lisible. Le procédé de transmission de signal comprend : la réception d'un signal DSSS envoyé par un écran tactile au moyen d'une capacité de couplage formée entre un stylet actif et l'écran tactile (201), le signal DSSS étant un signal encodé par spectre étalé destiné à être transmis ; et l'analyse du signal DSSS reçu pour obtenir un signal destiné à être transmis (202). Le procédé nécessite peu de ressources matérielles, présente une faible consommation, et peut être bien appliqué sur un système tactile à stylet actif.
Patent WO-2019196649-A1 (WO)
Title: Network switching method and apparatus for voice service
Inventor: CHONG WEIWEI
IPC: H04W36/14
Filed: 2019-03-27
Abstract: Embodiments of the present application provide a network switching method and apparatus for a voice service. The method comprises: a mobility management network element of a first network receives first information from an access network device of the first network, the first information being used for indicating the switching of a terminal device from the first network to a second network; the mobility management network element of the first network sends second information to a mobility management network element of a third network according to the first information, the second information being used for instructing the mobility management network element of the third network sends a switching request to a mobile switching network element of the second network, and the switching request being used for switching a voice service of the terminal device to the second network. By means of the communication between the first network and the third network and the communication between the third network and the second network, the terminal device can switch the voice service to the second network, thereby achieving the continuity of the voice service, and solving the problem of being unable to implement a voice service by the terminal device.
Patent WO-2020147240-A1 (WO)
Title: 一种磁致伸缩液位计及液位测量方法
Inventor: HU XIUSHAN
IPC: G01F23/72
Filed: 2019-05-28
Abstract: 一种磁致伸缩液位计及液位测量方法，属于磁致伸缩液位计技术领域。包括：固定器（1）；多个测量单元（2），沿固定器（1）长度方向依次顺序固定在固定器（1）上；多根波导丝（3），与多个测量单元（2）一一对应连接；每根波导丝（3）均沿固定器（1）的长度方向设置，且上一根波导丝（3）的尾端至少延伸至下一根波导丝（3）的首端；磁性浮子（4），套设在固定器（1）上，当液面发生变化时，磁性浮子（4）沿固定器（1）向上或者向下浮动，且存在有波导丝（3）处于磁性浮子（4）自身形成的磁场中。有助于实现在提升测量量程的同时保证测量精度。
Patent WO-2019242636-A1 (WO)
Title: 一种电子烟雾化芯及雾化器
Inventor: LIU JIANFU
IPC: A24F47/00
Filed: 2019-06-19
Abstract: 一种电子烟雾化芯及雾化器，包括雾化件（3）、外套管（24）、连接套（22）、雾化棉（14），连接套（22）下段套设于外套管（24）上段外，外套管（24）套设于雾化棉（14）外，外套管（24）上开设可连通电子烟油仓（12）内腔与雾化棉（14）的第一过油孔（2401）；连接套（22）可相对外套管（24）轴向移动或周向转动以关闭或开启第一过油孔（2401），连接套（22）与外套管（24）之间设有用于在第一过油孔（2401）关闭时密封第一过油孔（2401）的缓冲密封结构。该电子烟雾化芯及雾化器成产工时短、生产成本低，能够实现雾化棉与油仓之间的全方位密封。
Patent WO-2020258109-A1 (WO)
Inventor: LI JING
IPC: G06F17/00
Filed: 2019-06-26
Abstract: The present invention provides a geometric model-based evaluation method, system, and apparatus for a key performance indicator (KPI) in a production procedure. The method comprises the following steps: S1, extracting a geometric characteristic and a characteristic attribute thereof from a product model; S2, converting the geometric characteristic into a process characteristic so as to obtain the steps of a process related to a whole production procedure of producing a product, and devices corresponding to the steps of the process; and S3, based on the steps of the process related to the production procedure and the devices corresponding to the steps of the process, simulating the whole industrial manufacturing procedure of the product, and outputting the KPI of the industrial manufacturing. The present invention can evaluate the KPI of the whole industrial manufacturing procedure of the product according to the product model.
Patent WO-2020143198-A1 (WO)
Title: Dérivés de kétamine et leurs compositions
Inventor: XIANG JIA-NING
IPC: C07D221/00
Filed: 2019-07-08
Abstract: L'invention concerne des dérivés de kétamine et des compositions pharmaceutiques de ceux-ci. Lorsqu'ils sont administrés par voie orale, les dérivés de kétamine fournissent une biodisponibilité accrue de kétamine dans la circulation systémique. Les dérivés de kétamine peuvent être utilisés pour traiter des maladies neurologiques, des maladies psychologiques et la douleur.
Patent WO-2021003721-A1 (WO)
Title: 一种光学成像系统及电子装置
Inventor: MAO QING
IPC: G02B13/06
Filed: 2019-07-10
Abstract: 一种光学成像系统及电子装置，光学成像系统(100)由物侧至像侧依次包括：具有负屈折力的第一透镜(101)，物侧面为凸面，像侧面为凹面；具有正屈折力的第二透镜(102)，物侧面为凸面；具有负屈折力的第三透镜（103），物侧面为凹面，像侧面为凹面；具有正屈折力的第四透镜（104），物侧面为凸面，像侧面为凸面；具有正屈折力的第五透镜（105），物侧面为凹面，像侧面为凸面；具有负屈折力的第六透镜（106），像侧面为凹面。光学成像系统及电子装置小型化程度高，整体重量轻，成像效果好，同时有利于矫正温飘问题。
Patent WO-2020029750-A1 (WO)
Title: System and method for configuring measurement gaps and reference signals
Inventor: LIN YICHENG
IPC: H04W72/04
Filed: 2019-07-15
Abstract: A method operating an access node includes determining a sequence of resource locations of a reference signal in accordance with resource identifying information and network identifying information, wherein at least a subset of resource locations in the sequence of resource locations changes, and sending, by the access node, the reference signal in accordance with the sequence of resource locations.
Patent WO-2021007781-A1 (WO)
Inventor: ZHU HONGBIN
IPC: H01L27/11582
Filed: 2019-07-16
Abstract: Embodiments of 3D memory devices and methods for forming the same are disclosed. In an example, a 3D memory device includes a substrate, a memory stack including interleaved conductive layers and dielectric layers above the substrate, a structure extending vertically through the memory stack, a first dielectric layer on the memory stack, an etch stop layer on the first dielectric layer, a second dielectric layer on the etch stop layer, a first contact through the etch stop layer and the first dielectric layer and in contact with an upper end of the structure, and a second contact through the second dielectric layer and in contact with at least an upper end of the first contact.
Patent WO-2020199445-A1 (WO)
Inventor: ZHANG MING
IPC: H01L27/32
Filed: 2019-08-06
Abstract: 本发明涉及一种OLED显示器件及其制备方法。其中所述OLED显示器件包括：基板、功能层、阳极、像素定义层、第一隔离立柱、发光层以及阴极。本发明通过在所述第二像素定义层上的阴极上表面局部向下凹陷直至所述发光层底面形成凹槽，从而减少阴极的遮挡面积，提高阴极的透过率，最终提高屏下摄像头的采光效果，提高其成像效果。
Patent WO-2021026820-A1 (WO)
Inventor: TANG XUN
IPC: H04W36/28
Filed: 2019-08-14
Abstract: The present application provides a cell handover method, a system, and a device. The method comprises: a user equipment (UE) measures a first downlink timing deviation (TD) and a first downlink power deviation (PD), the first TD being the TD between a first cell and a second cell, the first PD being the PD between the first cell and the second cell, a first network device being the network device of the first cell currently accessed by the UE, and a second network device being the network device of the second cell; the UE sends first measurement result information to the first network device, the first measurement result information being used for indicating a measurement result of the first TD, and the first measurement result information being also used for indicating a measurement result of the first PD; and the UE receives handover instruction information sent by the first network device, the handover instruction information being used for instructing the UE to perform cell handover to the second cell, the first TD being less than or equal to the length of a cyclic prefix (CP), and the first PD being less than a first threshold.
Patent WO-2020093760-A1 (WO)
Inventor: SUN BING
IPC: C12N15/09
Filed: 2019-08-27
Abstract: Provided is the use of an ECM1 gene-knockout mouse in the screening of an anti-hepatic fibrosis drug. Specifically, provided is a method for preparing an animal model of hepatic fibrosis or related diseases thereof in non-human mammals, which method comprises the following steps: (a) providing a non-human mammalian cell and inactivating an ECM1 gene in the cell, thereby obtaining a non-human mammalian cell in which the ECM1 gene is inactivated; and (b) using the cell in which the ECM1 gene is inactivated obtained in step (a) to prepare an animal model of hepatic fibrosis or related diseases thereof in which the ECM1 gene is inactivated. The animal model is an effective animal model of hepatic fibrosis or related diseases thereof, may be used for studying hepatic fibrosis or related diseases thereof, and may be used in the screening and testing of a particular drug.
Patent WO-2020237894-A1 (WO)
Inventor: ZHANG WENGJU
IPC: A61B17/04
Filed: 2019-09-04
Abstract: Disclosed is an integrated surgical suturing apparatus, comprising a main control mechanism (1), a driving lever assembly (2) extending out from inside the main control mechanism (1), a fixing cylinder (3), a suturing end assembly (4), and a suture fixing assembly (5). The driving lever assembly (2) extending out from the main control mechanism (1) is disposed inside the fixing cylinder (3) and the suturing end assembly (4). The main control mechanism (1) is fixedly connected to the suturing end assembly (4) via the fixing cylinder (3). The suture fixing assembly (5) is disposed at an outer portion of the fixing cylinder (3) and is connected to the fixing cylinder (3). The integrated surgical suturing apparatus is easy and convenient to operate. Only a small operation space is needed for performing surgery such that suturing of ligament tissue can be achieved simply by guiding the suturing apparatus with the finger, without the need to look directly at the operation space. With the integrated surgical suturing apparatus surgery time can be shortened considerably, an operation space needed for performing suturing can be reduced, and tissue injury caused by excessive separation of a surrounding tissue can be lessened. Suturing can be performed precisely, without accidentally injuring blood vessels, nerves, or other tissues, and the rate of successful surgery with a single suturing operation is high.
Patent WO-2020155628-A1 (WO)
Title: 一种发电建材及其制备方法
Inventor: ZHANG WEI
IPC: H02S40/20
Filed: 2019-09-09
Abstract: 一种发电建材及其制备方法，所述发电建材将光学调节层的艺术观赏性与保护性能应用于太阳电池领域，使得建筑艺术与发电性能相融合，达到绿色建筑、环保建筑的要求。其面层在固化后所形成的外表面质地美观，所述发电建材具有建材的肌理和品质，表现形式丰富多样，不会改变建筑风格和城市景观，具有广阔的应用前景。
Patent WO-2021035843-A1 (WO)
Title: Seismic network big data deduplication method based on bloom filter algorithm
Inventor: WANG YINGNAN
IPC: G06F16/22
Filed: 2019-09-20
Abstract: A seismic network big data deduplication method based on a bloom filter algorithm. The method comprises: step 1, receiving a plurality of paths of data stream data by means of a TCP/IP protocol, performing an unpacking operation according to bytes, and parsing each unpacked packet; step 2, performing first deduplication filtering determination on all data packets on which unpacking processing is performed, and storing the data packets to a bloom filter; step 3, determining whether second deduplication filtering needs to be performed on the parsed data packets comprising specific-meaning fields, and storing the parsed data packets to an HBase database; step 4, parsing the data packets stored into the HBase database into a seismic data MSEED format, storing the data packets to a disk for permanent storage, and when the data packets need to be output, automatically naming same in the form of a combination of a network name, a station name, a channel, a sampling rate, and a time; step 5, performing, using an obspy.merge method, third deduplication determination on the data packets stored into the HBase database; and step 6, establishing a connection by means of the TCP/IP protocol to implement forwarding, by a server, the processed data packets in the form of data streams, and continuously monitoring whether a sending port has a request. The method functionally converges a plurality of paths of data streams into a single path of data stream, and implements real-time big data deduplication by means of first deduplication by a bloom filter, second duplication by an HBase database, and third deduplication by an obspy.merge method.
Patent WO-2020078171-A1 (WO)
Inventor: WANG FEI
IPC: B60R22/38
Filed: 2019-09-24
Abstract: 一种用于安全带卷收器的锁止装置以及安全带卷收器，该锁止装置包括惯性元件（3）和控制盘（4），所述惯性元件（3）围绕枢转轴线在初始位置与闭锁位置之间可枢转地支撑，所述惯性元件（3）设置在控制盘（4）上并且具有本体，所述控制盘（4）能被卷带筒组件（5）带动旋转，所述惯性元件（3）被弹簧元件（2）朝初始位置预紧，并且在卷带筒组件（5）在织带拉出方向上加速时能产生所述惯性元件（3）的朝闭锁位置的惯性力，所述惯性元件（3）在闭锁位置上能被止动，并且因此引起安全带卷收器的锁止，所述惯性元件（3）具有从其本体朝控制盘（4）伸出的凸起（3.3、3.4、3.5），所述控制盘（4）具有通孔，所述凸起（3.3、3.4、3.5）穿过所述通孔，所述凸起（3.3、3.4、3.5）构成附加的惯性质量。借此能提高带感灵敏度、降低噪音。
Patent WO-2020140494-A1 (WO)
Inventor: ZHANG TAO
IPC: H01L27/32
Filed: 2019-09-27
Abstract: Structure de pixels, écran d'affichage et masque métallique, la structure de pixels comprenant trois types de sous-pixels principaux de couleur unique (1) et trois types de sous-pixels de compensation (2), et les six types de sous-pixels sont agencés selon un ordre prescrit dans une première direction (a) et une seconde direction (b) perpendiculaire à la première direction (a). Pendant l'évaporation, une nouvelle structure de pixels permet de former un motif formé par une configuration de sous-pixels de couleur unique adjacente à l'aide d'une ouverture d'un masque métallique, de telle sorte qu'une ouverture d'un motif de masque sur le masque est agrandie, ce qui augmente ainsi la résolution de l'écran d'affichage. En même temps, à l'aide de sous-pixels de compensation (2) partagés, les différences de décroissance de dispositifs de couleurs différentes sont ajustées, le décalage de l'équilibre des blancs est réduit, et l'effet d'affichage est amélioré.
Patent WO-2020073860-A1 (WO)
Inventor: JI HENGSHAN
IPC: H04N21/234
Filed: 2019-09-30
Abstract: Disclosed by the embodiments of the present application are a video cropping method and device, wherein the method comprises: obtaining a target video to be processed and identifying a location of a target object from a video frame of the target video; determining, according to the identified location of the target object, a motion trajectory of the target object in the target video; cropping, according to the determined motion trajectory, the video frames of the target video to generate local images containing the target object; and generating, according to the local images obtained by the cropping, a cropped video that corresponds to the target object. With the technical solution provided by the present application, a cropped video can still display the main content of the original video.
Patent WO-2020108096-A1 (WO)
Inventor: YOU XIANG
IPC: E04H17/00
Filed: 2019-10-08
Abstract: 本实用新型公开了一种电力工程用安全围栏，包括框架与底座且框架包括两个垂直安装于底座上方两侧的方管并在方管两侧沿高度方向设有若干组耳环；方管之间由上而下依次设有防尘板、降噪板与缓冲板并在防尘板设有双层结构的滤网；降噪板由内部的槽木吸音板及其外部的孔木吸音板组成；缓冲板为中空结构且缓冲板为塑料板体并在板体表面设有若干个凸起结构。本实用新型具有阻隔灰尘、防尘降噪、缓冲外部撞击的有益效果。