baber/WOPTO huggingface dataset:
Patent WO-2018010614-A1 (WO)
Title: Bfd会话连接建立
Inventor: WU WEN
IPC: H04L12/26
Filed: 2017-07-10
Abstract: 本公开提供一种BFD会话连接建立方法及网络设备，其中，该方法包括：在BFD会话为DOWN状态时，若收到了对端设备发来的表示INIT状态的BFD报文，则网络设备将该BFD会话切换为PRE-UP状态；在该BFD会话为INIT状态时，若收到了对端设备发来的表示INIT或UP状态的BFD报文，则网络设备还将该BFD会话切换为PRE-UP状态；在该BFD会话为PRE-UP状态时，网络设备向对端设备发送表示UP状态的BFD报文；若满足预设条件，网络设备还将该BFD会话切换为UP状态，预设条件为从对端设备连续接收到了N个表示UP状态的BFD报文、且相邻2个BFD报文之间的接收时间间隔在预设时间范围内。
Patent WO-2019014811-A1 (WO)
Title: Mobile terminal, structural member and manufacturing method therefor
Inventor: HUANG LIZHONG
IPC: H05K5/02
Filed: 2017-07-17
Abstract: The embodiments of the present application provide a mobile terminal comprising a structural member, the structural member forming an integral structure, facilitating subsequent overall processing and being beneficial to the improvement of product dimensional accuracy. The structural member comprises: a middle plate and a frame, the frame being used for forming a bezel of a mobile terminal, and the middle plate being located in the mobile terminal and being used for forming an intermediate support plate of the mobile terminal; the frame comprises an inner frame layer and an outer frame layer, the materials of the inner frame layer and the outer frame layer being different; a contact face of the middle plate and the inner frame layer is connected by means of welding, and the melting point of the material of the inner frame layer is the same as or similar to that of the material of the middle plate.
Patent WO-2018040887-A1 (WO)
Title: 制备莨纱绸的晒莨工艺及晒莨装置
Inventor: ZHOU XIAOGANG
IPC: D06B23/22
Filed: 2017-08-11
Abstract: 一种制备莨纱绸的晒莨工艺及晒莨装置，该晒莨工艺包括步骤：(1)浸染步骤，将平展的织物在薯莨汁中充分浸泡；(2)预热步骤，从平展织物上下两侧等距离或仅单侧利用加热装置加热；(3)照射步骤，从织物上下两侧等距离或仅单侧利用紫外线和/或红外线均匀照射织物；(4)均匀润湿；(5)均一降温；(6)重复染晒，按需重复步骤(1)～步骤(5)，重复次数10～20次。采用紫外线晒莨，摆脱了日照晒莨取决于天气等自然因素的影响，提高制备莨纱绸的生产效率，使莨纱绸的光泽度、色差及色牢度更佳，提高了莨纱绸的品相及品质，实现了晒莨工艺按标准化生产并能稳定地生产出符合莨绸标准的产品。
Patent WO-2019041153-A1 (WO)
Title: Etching and mechanical grinding film-layers stacked on a semiconductor substrate
Inventor: KONG JIANJUN
IPC: H01L21/302
Filed: 2017-08-30
Abstract: A method includes wet-etching a first film layer (210) of a plurality of film layers (205, 210) stacked on a semiconductor substrate (200), the wet-etching of the first film layer (210) performed using a first chemical, where the first film layer (210) is an outermost film layer stacked on the semiconductor substrate (200). The method further includes wet-etching a second film layer (205) of the plurality of film layers (205, 210) using a second chemical. The method also includes using a mechanical grinding wheel to grind the semiconductor substrate (200) to reduce a thickness of the semiconductor substrate (200).
Patent WO-2019041165-A1 (WO)
Title: Square picture taking control method and apparatus with echo
Inventor: ZHANG XUEXI
IPC: H04N5/232
Filed: 2017-08-30
Abstract: Disclosed is a square picture taking control method with an echo. The method is used for a mobile phone having a rectangular picture previewing function, and comprises: S1. when an operating system of a mobile phone receives a photography instruction from a user, acquiring, by means of a camera of the mobile phone, a rectangular preview image of a current scene and displaying same on a screen; S2. blocking the rectangular preview image displayed on the screen, so that a visible region on the screen is square; S3. a user moving the square region to select and confirm a taken image; and S4. the content displayed on the screen remaining unchanged, and a background cropping the image taken in S3 according to the region selected in S2 and echoing an obtained image to the screen. According to the present invention, the waiting time for switching between different photographing modes is not needed during the photography process, and the next instance of photography can be carried out, without switching between "exit and re-entry", thanks to an image previewing function, thus greatly reducing the waiting time for a user required during the photography process and improving the user experience.
Patent WO-2019006845-A1 (WO)
Title: Slope-adjustable golf putting trainer
Inventor: ZHOU TAO
IPC: A63B69/36
Filed: 2017-09-01
Abstract: A slope-adjustable golf putting trainer. A slope adjusting plate (3) achieves left-right and front-back slope tilt adjustments by means of a slope adjusting device (2); a ball falling position of a ball falling hole (32) is changed by rotating and adjusting a hole falling position rotating plate (3B) to increase a ball falling practice position; the tail of the plate body of the slope adjusting plate (3) is provided with a ball return hole (35); when a hit ball enters the plate body but does not fall from the ball falling hole, the rolled ball falls from the ball return hole (35), and returns to the tail of an artificial grass region (4) through a ball return slope (11) and a ball return track (14), so that the number of pickups of balls is reduced; a club placing hole (36) is provided at the rear side of a landing base (1); a club is inserted in the club placing hole (36) through the ball return hole (35) for temporarily insertion of the club. The present product increases/decreases the practice difficulty by freely adjusting the ball rolling slope, simulates the outdoor practical lawn slope practice, and improves the interest of practice. In addition, the increase of the confidence in practice of a beginner is facilitated.
Patent WO-2019056147-A1 (WO)
Title: Fluid divider
Inventor: CHEN BAOTONG
IPC: F16L41/02
Filed: 2017-09-19
Abstract: A fluid divider. The device comprises a container (10) and multiple branch pipeline connection devices. Each branch pipeline connection device comprises a fastener (30), a connector (20), a seal member (40), and a valve (60). A guide groove (323) is formed in a thin wall portion (32) of each fastener (30). The fasteners (30) are axially compressed, so that after the fasteners (30) are plastically deformed, the connectors (20) and the container (10) are connected as a whole. The connection and the sealing between the branch pipeline connection devices and the container are reliable, and the product processing technology is simple.
Patent WO-2018214361-A1 (WO)
Inventor: FU JUNQIANG
IPC: G06Q10/02
Filed: 2017-09-28
Abstract: L'invention concerne un système comprenant un ou plusieurs supports de stockage conservant un ensemble d'instructions et au moins un processeur en communication avec le dispositif de stockage. Lors de l'exécution des instructions, le ou les processeurs sont configurés pour amener le système à déterminer une ou plusieurs sous-zones cibles préliminaires parmi une pluralité de sous-zones qui constituent une zone; obtenir un modèle entraîné qui est configuré pour générer une valeur d'un premier indicateur; obtenir des informations de caractéristiques de la ou des caractéristiques pour la sous-zone ou chacune des sous-zones cibles préliminaires; et déterminer une valeur du premier indicateur à un instant désigné pour la sous-zone ou chacune des sous-zones cibles préliminaires d'après le modèle entraîné et les informations de caractéristiques.
Patent WO-2019061545-A1 (WO)
Title: Method and device for rapidly adjusting white balance of camera and computer-readable storage medium
Inventor: LAN JUN
IPC: H04N9/73
Filed: 2017-09-30
Abstract: Disclosed in the present invention are a method for rapidly adjusting the white balance of a camera, comprising: acquiring color temperature information of a current environment of a mobile terminal in real time by means of a color temperature sensor, and acquiring a corresponding white balance parameter according to the color temperature information; loading the white balance parameter when starting a camera function of the mobile terminal; and adjusting the imaging effect of the camera on the basis of the white balance parameter. Further disclosed in the present invention are a device for rapidly adjusting the white balance of a camera and a computer-readable storage medium. According to the method provided in the present invention, color temperature information of the current environment is acquired before entering a camera screen of a terminal, thereby effectively shortening the automatic white balance adjustment time after entering the camera screen and improving the user experience. In addition, it is possible to collect color temperature information by means of a color temperature sensor, thereby reducing the power consumption of a mobile phone.
Patent WO-2019071595-A1 (WO)
Title: Method and device for storing data in distributed block storage system, and computer readable storage medium
Inventor: WEI MINGCHANG
IPC: G06F3/06
Filed: 2017-10-13
Abstract: A data storage method for a distributed block storage system, comprising: a client generating striped data and concurrently sending the data carried in the stripes to storage nodes corresponding to the stripes. Said method may reduce data interaction between storage nodes and improve the concurrency of writing, thereby improving the writing capabilities of the distributed block storage system.
Patent WO-2018077103-A1 (WO)
Title: 寻呼方法及装置、基站、终端、计算机可读存储介质
Inventor: ZHANG DONGYING
IPC: H04W68/00
Filed: 2017-10-18
Abstract: 本申请提供了一种寻呼方法及装置、基站、终端、计算机可读存储介质，其中，该方法包括：接入网接收终端上报的国际移动用户身份标识(IMSI)相关信息；所述接入网根据所述IMSI相关信息对所述终端进行寻呼操作。
Patent WO-2019080137-A1 (WO)
Title: Method for transmitting data, network device and terminal device
Inventor: YANG NING
IPC: H04L29/02
Filed: 2017-10-28
Abstract: Provided are a method for transmitting data, a network device and a terminal device. The method comprises: a first network device obtaining a first measurement result, the first measurement result being used to reflect the signal quality respectively between a terminal device and the first network device as well as a second network device, which belong to a first communications system; the first network device obtaining a second measurement result, the second measurement result being used to reflect the signal quality respectively between the terminal device and a third network device and a fourth network device, which belong to a second communications system, wherein the first communications system and the second communications system are different communications systems; the first network device sending the first measurement result and the second measurement result to the second network device. The method of an embodiment of the present invention may enable the terminal device to know whether it is necessary to change the third network device in the second communications system when it is necessary to switch the network device in the first communications system, thus improving the communications environment.
Patent WO-2018103474-A1 (WO)
Inventor: WANG YONG
IPC: G06F19/00
Filed: 2017-10-30
Abstract: L'invention concerne un procédé et un appareil de traitement d'informations, le procédé étant appliqué à un premier client. Le procédé comprend les étapes qui consistent : à recevoir des données de thérapie provenant d'un dispositif de thérapie, ces données de thérapie contenant des données d'effet de thérapie, un identifiant de dispositif qui correspond au dispositif de thérapie et un paramètre de thérapie ; à envoyer les données de thérapie ; et à recevoir des informations de mise à jour de paramètre correspondant aux données de thérapie, les informations de mise à jour de paramètre contenant le dernier paramètre de thérapie obtenu par mise à jour du paramètre de thérapie selon les données d'effet de thérapie, et l'identifiant de dispositif correspondant au dispositif de thérapie. Les modes de réalisation de la présente invention peuvent collecter commodément et en temps opportun des données de thérapie d'un utilisateur, ce qui permet d'améliorer l'efficacité de collecte de données de thérapie.
Patent WO-2018133493-A1 (WO)
Title: 深部不稳定覆岩下沿空掘巷非均称支护设计方法
Inventor: FAN KEGONG
IPC: E21D11/00
Filed: 2017-10-31
Abstract: 一种深部不稳定覆岩下沿空掘巷非均称支护设计方法，包括以下步骤：步骤一、分析开掘条件；步骤二、选择巷道顶板支护结构和巷道两帮非均称支护结构；步骤三、理论计算初选支护参数；步骤四、数值模拟；步骤五、选取初始支护参数；步骤六、试验段巷道的施工；步骤七、布置监测站，绘制监测曲线；步骤八、修正初始支护参数，形成符合深部不稳定覆岩下沿空掘巷的支护参数。本方法的有益效果：可安全、高效地实现深部不稳定覆岩下沿空掘巷，巷道围岩变形量小。
Patent WO-2018090844-A1 (WO)
Inventor: ZHANG BAOYING
IPC: H04L29/06
Filed: 2017-11-03
Abstract: La présente invention concerne un procédé d'obtention d'autorisation de communication de projection. Le procédé d'obtention d'autorisation de communication comprend les étapes suivantes : un premier terminal utilisateur obtient un identifiant de communication d'un premier terminal de dispositif qui peut être commandé par le premier terminal utilisateur, et génère et affiche de manière correspondante un code d'autorisation qui peut être balayé, le code d'autorisation transportant des informations d'autorisation, et les informations d'autorisation étant utilisées pour qu'un second terminal utilisateur obtienne un droit de communication de données du premier terminal de dispositif, lequel peut être commandé par le premier terminal utilisateur ; et le second terminal utilisateur commande un second terminal de dispositif pour qu'il effectue une communication de données en fonction du droit de communication de données obtenu du premier terminal de dispositif, de sorte que le second terminal de dispositif transmette des données audio et vidéo actuelles au premier terminal de dispositif pour une projection et une lecture.
Patent WO-2018099265-A1 (WO)
Title: 一种高压烤箱的新型门结构
Inventor: KONG FANGUANG
IPC: A47J37/06
Filed: 2017-11-14
Abstract: 一种高压烤箱的新型门结构，包括烤箱主体（1）和烤箱门框（2），烤箱主体（1）和烤箱门框（2）之间设有锁紧装置，锁紧装置包括安装在烤箱主体（1）上的挂钩（3）、引导挂钩（3）钩紧烤箱门框（2）的导向机构、带动挂钩（3）移动的手柄（4），烤箱门框（2）上设有可被挂钩（3）挂住的锁紧孔，挂钩（3）设置在一可移动的活动架（5）上，手柄（4）铰接在烤箱主体（1）上，手柄（4）上铰接有连杆（8），连杆（8）的另一端铰接在活动架（5）上。将锁紧装置设置在烤箱主体（1）内，并从烤箱主体（1）内伸出并钩在烤箱门框（2）上，转动手柄（4）后，将烤箱门框（2）锁紧，锁紧强度高，密封效果更好；通过两条联动杆件完成了锁紧动作，结构简单、合理、强度高。
Patent WO-2019095175-A1 (WO)
Title: 基于星座点距离的信息检测方法、装置及接收设备
Inventor: XIE NING
IPC: H04L27/38
Filed: 2017-11-15
Abstract: 本发明实施例公开一种基于星座点距离的信息检测方法，包括：接收经信道匹配后的第一载体信息；对所述第一载体信息进行相关处理，依次获得第二载体信息、原始载体信息以及第三载体信息；对所述第二载体信息进行相关处理，获得第四载体信息；比较所述第三载体信息与所述第四载体信息，以确定所述第三载体信息与所述第四载体信息对应点；确定所述对应点间的第一距离，以及星座图上相邻星座点间的第二距离；判断所述第一距离是否大于第二距离；若是，则判定所述第一载体信息中存在隐秘信息。本发明能够精确地对隐秘信息进行检测。
Patent WO-2018161635-A1 (WO)
Inventor: ZHANG HAIPING
IPC: H04M1/02
Filed: 2017-11-20
Abstract: L'invention concerne un terminal. Le terminal comprend un corps principal, un module de caméra et une structure d'entraînement disposée dans le corps principal. Une chambre de réception configurée pour recevoir le module de caméra est définie dans le corps principal. La structure d'entraînement est reliée au module de caméra de façon à entraîner le module de caméra à se déplacer de l'intérieur de la chambre de réception à l'extérieur du corps principal ou à entraîner le module de caméra à se déplacer de l'extérieur du corps principal à l'intérieur de la chambre de réception.
Patent WO-2019100262-A1 (WO)
Inventor: CAO WEI
IPC: H04W72/12
Filed: 2017-11-22
Abstract: La réduction de la signalisation de commande est une technique efficace pour augmenter l'efficacité des ressources lors de la prise en charge d'un nombre massif de connexions dans un cadre de l'Internet des objets. En présence de paquets de données sporadiques et de petites données, l'utilisation de la signalisation de commande doit être optimisée pour ne pas dépasser les ressources de réseau. Dans certains modes de réalisation, une carte binaire dans un paquet de signalisation de commande peut indiquer si certains éléments d'informations qui correspondent à des paramètres de configuration sont présents ou absents. Lorsqu'ils sont absents, des valeurs prédéterminées pour les paramètres de configuration correspondants peuvent être utilisées, tandis que lorsqu'ils sont présents, des valeurs prédéfinies à partir d'un ensemble de valeurs prédéfinies peuvent être utilisées. Dans d'autres modes de réalisation, les valeurs prédéterminées peuvent être mises à jour périodiquement.
Patent WO-2018113487-A1 (WO)
Title: 冰箱及冰箱用摄像头安装结构、翻转梁止挡
Inventor: TANG JUN
IPC: F25D29/00
Filed: 2017-11-28
Abstract: 一种冰箱、冰箱用摄像头安装结构以及冰箱用翻转梁止挡（1），该冰箱用摄像头安装结构的本体结构设置有安装于冰箱内胆顶部的安装位，且设置有摄像头安装位（5），该冰箱用翻转梁止挡（1）和冰箱都设有该冰箱用摄像头安装结构。该冰箱用摄像头安装结构通过安装位安装于冰箱内胆顶部，不会影响冰箱的内部结构，且摄像头（4）通过摄像头安装位（5）也安装到冰箱的内胆顶部，自上而下拍摄冰箱的内部空间及冰箱门的状态，拍摄角度大，无需过多的摄像头数目，既能够有效采集冰箱内胆和箱门的状况，又不会影响冰箱内胆的整体结构。
Patent WO-2018161652-A1 (WO)
Title: 一种固体包裹体氧化铜矿选冶联合回收利用的方法
Inventor: WEN SHUMING
IPC: C22B15/00
Filed: 2017-12-01
Abstract: 一种固体包裹体氧化铜矿选冶联合回收利用的方法，目的是对浮选难以回收、直接酸浸浸出率低的弱磁性矿物包裹的氧化铜矿，采用强磁选分离获得包裹氧化铜的磁性产物，对磁性产物过滤，采用微波干燥及加热，利用微波对固体包裹体中不同矿物加热的选择性，使矿物之间升温不同、体积膨胀不同而产生裂纹，为后来的硫酸浸出提供扩散通道，提高浸出速率和浸出率，高效回收这种难处理铜矿资源。
Patent WO-2019109200-A1 (WO)
Title: 微型led器件用上基板、微型led器件以及微型led显示装置
Inventor: SHIAU YIHAU
IPC: H01L33/48
Filed: 2017-12-04
Abstract: 一种微型LED器件用上基板、微型LED器件以及微型LED显示装置，其中微型LED器件用上基板包括：底部基板；形成在底部基板上具有能够覆盖微型LED用下基板的非开口区的图案的金属层；形成在底部基板上的石墨烯层；以及形成在底部基板上覆盖金属层和石墨烯层的透明粘合层。
Patent WO-2018126855-A1 (WO)
Title: 一种下行测量参考信号的资源配置方法及装置
Inventor: ZHANG LEIMING
IPC: H04L5/00
Filed: 2017-12-12
Abstract: 一种下行测量参考信号的资源配置方法及装置，用以解决现有技术中基站传输下行测量参考信号的资源配置信息开销较大的问题。在该方法中，所述基站可以通过针对所述基本图样或所述可用资源的所述资源池的配置信息，通知所述终端设备所述资源池，实现下行测量参考信号的资源配置，无需通过传统的位图通知所述终端设备所述下行测量参考信号的资源配置，因此，降低了针对下行测量参考信号的资源配置信息开销。
Patent WO-2019019606-A1 (WO)
Title: Ultrasonic touch apparatus and method, and display apparatus
Inventor: HU YANSHENG
IPC: G06F3/043
Filed: 2018-02-07
Abstract: An ultrasonic touch apparatus (100) and method. The ultrasonic touch apparatus (100) is provided at the periphery of a display region (202) of an electronic device (110) and comprises: an ultrasonic distance measuring module (140) that comprises multiple ultrasonic distance measuring units (201) arranged linearly and used for sending detection ultrasonic waves to the display region (202), receiving reflected ultrasonic waves reflected by a touch object (150) in the display region (202) and recording a time interval between the detection ultrasonic waves and the reflected ultrasonic waves; a first position determining unit (120) used for determining the distances from the control object (150) to the ultrasonic distance measuring units (140) according to the time interval and determining the position of the touch object (150) in a first coordinate direction of the display region (202); and a second position determining unit (130) used for determining the position of the control object (150) in a second coordinate direction of the display region (202) according to the positions of the ultrasonic distance measuring units (201) that receive the reflected ultrasonic waves in the ultrasonic distance measuring module (140). The ultrasonic touch apparatus (100) can enable the electronic device (110) having no touch function to achieve a touch function, thereby improving user experience.
Patent WO-2019015309-A1 (WO)
Title: Shift register unit, method for driving shift register unit, gate drive circuit, array substrate and display device
Inventor: SU QIUJIE
IPC: G11C19/28
Filed: 2018-02-08
Abstract: A shift register unit (100), a method for driving the shift register unit (100), a gate drive circuit, an array substrate and a display device. The shift register unit (100) comprises: an input sub-circuit (101), a first end of the input sub-circuit (101) being connected to an input end (INPUT), and a second end thereof being connected to a pull-up node (PU), the input sub-circuit being used for receiving an input signal from the input end (INPUT) and outputting same to the pull-up node (PU), and outputting a pull-up signal via the pull-up node (PU); a first output sub-circuit (102), the first end of the first output sub-circuit (102) being connected to a first output signal end (OUT), the second end thereof being connected to a first clock signal end (CLK1), and a third end thereof being connected to the pull-up node (PU), the first output sub-circuit being used for receiving the pull-up signal and a first clock signal and outputting a first output signal from the first output signal end (OUT) according to the pull-up signal and the first clock signal; a second output sub-circuit (103), the first end of the second output sub-circuit (103) being connected to a second output signal end (OUT(+1)), the second end thereof being connected to a second clock signal end (CLK2), and a third end thereof being connected to the pull-up node (PU), to the second output sub-circuit being used for receiving the pull-up signal and a second clock signal and outputting a second output signal from the second output signal end (OUT(+1)) according to the pull-up signal and the second clock signal; and a storage sub-circuit (104), the first end of the storage sub-circuit (104) being connected to the pull-up node (PU), and the second thereof being connected to the second output sub-circuit (103), the storage sub-circuit being used for storing the pull-up signal.
Patent WO-2019075973-A1 (WO)
Title: Application program testing method and device
Inventor: GAO CHAO
IPC: G06F11/36
Filed: 2018-02-12
Abstract: Disclosed in the present application are an application program testing method and device, relating to the field of software testing techniques. The main purpose of this application lies in that: when an existing security type electronic commerce product is manually tested in an application program developed in a WeChat applet, as a large amount of data such as the identification card number, the age, the premium, and the insured product needs to be input, manual-only testing cannot satisfy the iteration speed of electronic commerce products, and a large number of human resources may also be needed, thereby reducing the testing effects. The main technical solution: determining, in a testing environment, whether an attribute of a user interface (UI) component element exists in a health insurance application program, wherein the UI component element is an object for executing different UI component programs in the health insurance application program according to service flows; if so, running a trigger event of a UI component corresponding to the attribute according to a preset test code, and returning a running result. The present invention is mainly used to test application programs.
Patent WO-2019136805-A1 (WO)
Title: Digital signature generation method and apparatus, and computer device
Inventor: ZHENG LEYIN
IPC: H04L9/06
Filed: 2018-02-27
Abstract: Disclosed are a digital signature generation method and apparatus, and a computer device. The method comprises the following steps: selecting, from values of at least two key value pairs, a specified digit of characters to form an initial character string; conducting encryption processing on the initial character string to generate an encrypted character string; and generating a digital signature according to the encrypted character string. Since the way in which a character is selected is self-defined, the complexity of a generation rule of a digital signature is increased, thereby improving the security of the digital signature.
Patent WO-2018210028-A1 (WO)
Title: 能源信息系统、能源信息的处理方法及装置
Inventor: LUO XIAO
IPC: H04L29/08
Filed: 2018-02-28
Abstract: 本申请公开了一种能源信息系统、能源信息的处理方法及装置。其中，该方法包括：通过至少一个信息网关采集至少一个能源设备的能源信息，其中，至少一个信息网关与对应的能源设备相连接；通过中央处理器获取采集到的能源信息，并将能源信息发送至服务器；通过服务器对能源信息进行分析，得到分析结果，其中，分析结果用于控制至少一个能源设备。本申请解决了由于缺少能源互联网整体解决方案导致的能源利用效率低的技术问题。
Patent WO-2019136869-A1 (WO)
Inventor: LI BIN
IPC: H02J7/00
Filed: 2018-04-13
Abstract: A charging device, comprising: a charger housing (100), which is provided with an air outlet (110); a battery pack housing (200), which is connected to the charger housing (100), the battery pack housing (200) being provided thereon with an air inlet (210), the air inlet (210) being used for connecting with the air outlet (110); a fan component (300), which is provided within the charger housing (100); and an air duct component (400), which is provided within the charger housing (100), one extremity of the air duct component (400) being connected to the fan component (300), while the other extremity being connected to the air outlet (110). The beneficial effects of the present invention are such that: charging of a battery pack is allowed and the efficiency of ventilation and cooling is high when charging.