baber/WOPTO huggingface dataset:
Patent WO-2021000904-A1 (WO)
Inventor: LEE YA-HSUAN
IPC: H04N19/597
Filed: 2020-07-02
Abstract: Procédé de codage vidéo consistant : à coder une trame basée sur une projection pour générer une partie d'un flux binaire, au moins une partie d'une teneur en 360 degrés d'une sphère étant mappée sur des faces de projection par l'intermédiaire d'une projection cubique, et la trame à base de projection a les faces de projection emballées dans un agencement de projection cubique ; et à signaler au moins un élément de syntaxe par l'intermédiaire du train de bits, ledit élément de syntaxe étant associé à une fonction de mappage qui est utilisée par la projection cubique pour déterminer des emplacements d'échantillon pour chacune des faces de projection.
Patent WO-2021088395-A1 (WO)
Title: Vehicle navigation method and terminal
Inventor: LI SHANFU
IPC: H04L29/08
Filed: 2020-07-07
Abstract: A vehicle navigation method and a terminal (101, 800, 900), applied to Internet of Vehicles, such as V2X, LTE-V, V2V (103), and V2I (105), and for use in providing lane-level vehicle navigation for an intelligent vehicle. In the vehicle navigation method, the terminal (101, 800, 900) determines, from a set of multiple pieces of lane selection information of a second vehicle travelling on a road section to be travelled, target lane selection information satisfying travelling preference information, and when a first vehicle travels to the road section to be travelled, performs vehicle navigation on the first vehicle by using the target lane selection information. Lane-level vehicle navigation is performed on the first vehicle by means of the target lane selection information, so that the driving behavior of the first vehicle adapts to the driving behavior of the second vehicle in the same road section, and satisfies the travelling preference information, thereby improving the driving experience of a passenger in the first vehicle.
Patent WO-2021004446-A1 (WO)
Title: Antibodies specifically recognizing pseudomonas pcrv and uses thereof
Inventor: YU MAORONG
IPC: C07K16/12
Filed: 2020-07-07
Abstract: Provided are antibodies including antigen-binding fragment thereof that specifically recognizing Pseudomonas PcrV. Also provided are methods of making and using these antibodies.
Patent WO-2022011545-A1 (WO)
Title: Market stall storage table
Inventor: ZHAO YAN
IPC: A47F5/13
Filed: 2020-07-14
Abstract: Disclosed is a market stall storage table (100). The market stall storage table (100) comprises a first cabinet body (10), a second cabinet body (11) and a supporting plate body (12). The supporting plate body (12) comprises a supporting part (13) and a connecting part (14), wherein the connecting part (14) and the supporting part (13) are integrally formed or fixedly connected each other. The first cabinet body (10) and the second cabinet body (11) are both provided with a plurality of slots (101), and the slots (101) are used for matching to the connecting part (14) to fix the supporting plate body (12). In the market stall storage table (100), the first cabinet body (10) and the second cabinet body (11) are provided, such that the supporting plate body (12) can be erected on the first cabinet body (10) and the second cabinet body (11) by means of the connecting part (14) and the slots (101); the installation position of the supporting plate body (12) is adjusted so as to achieve the aim of facilitating the setting up of a stall; moreover, the first cabinet body (10), the second cabinet body (11) and the supporting plate body (12), which are split, have the features of being easy and convenient to operate during installation, being convenient to use and having a stable structure.
Patent WO-2021098245-A1 (WO)
Title: 颈部按摩仪
Inventor: LIU JIE
IPC: A61N1/36
Filed: 2020-07-15
Abstract: 一种颈部按摩仪（10），包括：弹性支架（100），弹性支架（100）呈弧形，弹性支架（100）的内侧具有连接面（110）；内壳组件（200）；和按摩头组件（400）。内壳组件（200）包括：硬质骨架（220），硬质骨架（220）与连接面（110）卡接；和弧形柔性支架（210），弧形柔性支架（210）包裹于硬质骨架（220）的内侧，且弧形柔性支架（210）与硬质骨架（220）一体成型，硬质骨架（220）位于弧形柔性支架（210）与弹性支架（100）之间。按摩头组件（400）设在弧形柔性支架（210）的内侧。
Patent WO-2022006954-A1 (WO)
Title: Loudspeaker module
Inventor: DING JIANHUA
IPC: H04R1/02
Filed: 2020-07-16
Abstract: The present application provides a loudspeaker module, comprising a housing having an accommodating space, and a sound-producing unit and an isolation assembly which are accommodated and fixed in the housing; the sound-producing unit comprises a diaphragm, the housing comprises a bottom wall directly facing the diaphragm, a top wall opposite to and spaced apart from the bottom wall, and side walls extending from the bottom wall towards the top wall in a bending manner, and the bottom wall, the side walls, and the top wall form the accommodating space in an enclosed manner; a retaining wall is provided, in a protruding manner, in a direction from the side of the bottom wall close to the diaphragm towards the top wall, the isolation assembly covers the retaining wall and is fixed at the end of the retaining wall away from the bottom wall, the isolation assembly divides the accommodating space into an accommodating cavity for accommodating the sound-producing unit and a sound-absorbing cavity for accommodating a sound-absorbing material, the isolation assembly, the retaining wall, and the bottom wall form the accommodating cavity in an enclosed manner, and the sound-absorbing cavity is located between the isolation assembly and the top wall; and the isolation assembly comprises an air-permeable isolation member and support frames for supporting the air-permeable isolation member, the support frames are held on the air-permeable isolation member, and the air-permeable isolation member abuts against and is fixed to the retaining wall. The support frames can prevent the air-permeable isolation member from being deformed due to the pressing of the sound-absorbing material.
Patent WO-2021196479-A1 (WO)
Title: 升降装置及设备
Inventor: ZHANG HENG
IPC: B23K26/38
Filed: 2020-07-31
Abstract: 一种升降装置（10）及设备，升降装置（10）包括第一骨架（110）、第二骨架（120）、第一支撑导轨（210）、第一传动机构（310）、第一驱动机构（410）、第二支撑导轨、第二传动机构（320）、第二驱动机构（420）及连接轴（510）。第二骨架（120）与第一骨架（110）相对设置且均沿第一方向延伸。第一传动机构（310）固定于第一骨架（110）上并与第一支撑导轨（210）连接。第一驱动机构（410）的输出端与第一传动机构（310）连接，第一驱动机构（410）通过第一传动机构（310）驱动第一支撑导轨（210）沿第二方向往复移动，第二方向与第一方向垂直。第二传动机构（320）固定于第二骨架（120）上并与第二支撑导轨连接。第二驱动机构（420）的输出端与第二传动机构（320）连接，第二驱动机构（420）通过第二传动机构（320）驱动第二支撑导轨沿第二方向往复移动。连接轴（510）的两端分别与第一传动机构（310）和第二传动机构（320）的相对位置连接。
Patent WO-2022027304-A1 (WO)
Inventor: HONG FENG
IPC: G01M17/007
Filed: 2020-08-05
Abstract: 本申请提供了一种自动驾驶车辆的测试方法及装置，属于自动驾驶技术领域，可以用于测试智能汽车、自动驾驶汽车。该测试方法包括：获取目标测试用例，目标测试用例用于指示目标虚拟场景中的第一场景要素，第一场景要素包括虚拟测试车辆的初始运动状态；在目标测试用例的执行过程中获取测试车辆的运动状态；根据状态转换关系将测试车辆的运动状态转换为虚拟测试车辆的运动状态；根据虚拟测试车辆的运动状态评价测试车辆的性能。本申请的方案能够提高自动驾驶车辆的测试效率，以便应用于量产车型测试。
Patent WO-2021042951-A1 (WO)
Title: Process for synthesizing silica zeolite having new structure
Inventor: LONG YINGCAI
IPC: C01B37/02
Filed: 2020-08-11
Abstract: Provided is a process for synthesizing a silica zeolite having a new structure, comprising: synthesizing a precursor silicalite-1 by means of a hydrothermal reaction, in which the precursor silicalite-1 is synthesized by means of a hydrothermal reaction in an R-SiO 2 -H 2 O reactant system, tetrapropylammonium hydroxide, tetrabutyl ammonium hydroxide (TBA), n-butylamine or triethylamine is used as a template R, and high-purity fumed silica or ethyl orthosilicate is used as a silicon source; and preparing a silica zeolite having a new structure, in which the precursor silicalite-1 is subjected to calcination treatment under a certain atmosphere and temperature, so as to generate a silica zeolite having a new structure of by means of a substantial shrinkage of the crystal lattice, and the silica zeolite having a new structure is designated as silicalite-3 and has a specific framework structure, the pore opening is 4.4 × 5.6 A and 5.1 × 5.7 A, and the characteristic diffraction line is d = 10.71 ± 0.1 A (vs); 9.62 ± 0.1 A (vs); 5.75 ± 0.05 A (s); 4.16 ± 0.02A (m); 3.70 ± 0.01A (vs). The process conditions are simple and easy to achieve without any waste water and waste gas discharge.
Patent WO-2022041014-A1 (WO)
Inventor: Nie Guhong
IPC: H04N5/232
Filed: 2020-08-26
Abstract: A control method for a gimbal, a gimbal and a control device thereof, a photographing apparatus, a system, and a storage medium. The control method comprises: acquiring a captured image (S110); determining the offset distance between a target object and a preset position in the image (S120); according to the offset distance, determining the offset angle of the target object in the image or the field of view (S130); and controlling a gimbal according to the offset angle and adjusting the posture of a photographing apparatus so that the target object is located in a preset area (S140). The gimbal and the control method therefor can achieve a better photographing effect.
Patent WO-2022007145-A1 (WO)
Inventor: LIN MIN
IPC: C07K14/00
Filed: 2020-08-27
Abstract: 利用合成生物学方法人工设计创建了一种具有高效降解家禽羽毛废弃物合成新型血红素蛋白的功能模块SyKerMb。构建了该功能模块的重组载体，将其在底盘微生物细胞大肠杆菌中组装表达。实验证明，所述整合该转化功能模块的工程菌株具有降解动物废弃物羽毛，高效合成人工血红素蛋白的生物合成能力，可用于人工蛋白制剂和未来人造食品等相关工业生产中。
Patent WO-2021037270-A1 (WO)
Title: Method, apparatus and system for providing service for terminal by using blockchain
Inventor: ZHANG YANPING
IPC: H04W12/00
Filed: 2020-08-31
Abstract: The embodiments of the present application relate to the technical field of communications, and provided are a method, apparatus and system for providing a service for a terminal by using a blockchain. The method may provide the service for the terminal without needing to change the identification of the terminal after the terminal changes operators. The solution comprises: a blockchain account management function (BCAMF) network element of a first operator receives an account opening request message from a terminal, wherein the account opening request message comprises the identification of the terminal, and the account opening request message is used to request to open an account for the terminal in the first operator; the BCAMF network element verifies that the terminal meets account opening requirements according to the identification of the terminal; and the BCAMF network element sends a first message to a user data management network element of the first operator, the first message comprising subscription data of the terminal.
Patent WO-2021057716-A1 (WO)
Inventor: ZIEGER ANDREAS
IPC: F16K17/38
Filed: 2020-09-22
Abstract: A thermally activated pressure relief valve (100). The thermally activated pressure relief valve (100) comprises a valve body (1), a bearing member (4), a temperature sensing unit (5) and a first valve element (2). The valve body has a high pressure-side communication port (11) and a low pressure-side communication port (12), and a fluid channel (13) is connected between the high pressure-side communication port (11) and the low pressure-side communication port (12). The first valve element (2) is positioned in the fluid channel (13). The temperature sensing unit (5) is arranged at a radially inner side of the valve body relative to the bearing member (4) and configured to limit the bearing member (4) to a locking position so as to ensure that the first valve element (2) blocks the fluid channel (13). The temperature sensing unit (5) is configured to deform when receiving heat so as to remove a limiting force on the bearing member (4).
Patent WO-2021103786-A1 (WO)
Title: 排气阀
Inventor: LIU JIAN
IPC: F01N1/16
Filed: 2020-09-23
Abstract: 一种排气阀(100)，其包括阀座（1）、能够相对所述阀座（1）打开或者关闭的阀盖（2）、固定在所述阀盖（2）上的弹片（4）以及固定在所述阀座（1）上且与所述弹片（4）相配合的支架（5），其中所述阀座（1）包括安装部（11）以及开口（122），所述阀盖（2）与所述开口（122）相配合，所述阀盖（2）包含轴（22），所述轴（22）安装在所述支架（5）与所述安装部（11）之间，当所述阀盖（2）相较于所述开口（122）打开或者关闭时，所述弹片（4）能够相对于所述支架（5）滑动。上述排气阀（100）通过将轴（22）安装在支架（5）与安装部（11）之间，通过简单的机械装配就能实现。另外，通过弹片（4）来实现阀盖（2）打开或者关闭的功能，省略了扭簧，降低了成本。
Patent WO-2022011841-A1 (WO)
Title: Implementation method, apparatus, terminal for cluster in gpgpu, and medium
Inventor: JIAO YONG
IPC: G06F9/54
Filed: 2020-09-29
Abstract: Embodiments of the present application relate to GPGPU chip design technology, and provided therein are an implementation method, apparatus, terminal for a cluster in a GPGPU and a medium, for overcoming the problem in the existing technology in which the processing efficiency of an operation core is relatively low due to the need for the operation core to wait until a fixed functional unit can receive data before sending data to the fixed functional unit. The implementation apparatus of the cluster in the GPGPU comprises: multiple operation cores, which are for respectively executing vertex processing tasks corresponding to threads in a first thread group created by a management core according to a drawing command; an on-chip memory, which is provided with a shared memory for storing processing results of the vertex processing tasks; and a fixed functional unit, which is for acquiring the processing results of the vertex processing tasks stored in the shared memory and processing same.
Patent WO-2022067469-A1 (WO)
Title: Procédé de programmation d'une nouvelle sélection de cellule pour un ue et un réseau mmtc à haute densité d'espace pour réduire un encombrement de canaux rach
Inventor: ZHANG NAN
IPC: H04W36/08
Filed: 2020-09-29
Abstract: Dans des modes de réalisation, la présente invention concerne des systèmes et des procédés de programmation d'une sélection de cellule pour un réseau. Certains modes de réalisation peuvent comprendre un message de sélection de cellule ayant un ID de cellule cible, le message de sélection de cellule étant configuré pour indiquer à un dispositif sans fil de se mettre en attente sur une une cellule cible associée à l'ID de cellule cible tandis que le dispositif sans fil est dans un état repos ou inactif de RRC avec une cellule, et la cellule cible étant différente de la cellule. Dans certains modes de réalisation, un dispositif de station de base peut générer le message de sélection de cellule et transmettre le message de sélection de cellule au dispositif sans fil tandis que le dispositif sans fil est dans l'état connecté de RRC avec la cellule. Dans certains modes de réalisation, un dispositif sans fil peut recevoir le message de sélection de cellule et se mettre en attente sur la cellule cible tandis que le dispositif sans fil est dans un état repos ou inactif de RRC avec la cellule.
Patent WO-2021063374-A1 (WO)
Title: Devices and methods of signaling for resource selection and reservation in sidelink transmission
Inventor: CAO YU
IPC: H04W4/46
Filed: 2020-09-29
Abstract: A first user equipment (UE) is configured to receive from a base station a signaling comprising indication of one or more time-frequency resources and an indicator indicating a time gap, and transmit a transport block (TB) to a second UE using the one or more time-frequency resources. For each of the time-frequency resources, the first UE monitors a hybrid automatic repeat request (HARQ) feedback from the second UE, using a physical sidelink feedback channel (PSFCH) resource; and transmits to the base station a HARQ feedback report signal based on the HARQ feedback or absence thereof, in a physical uplink control channel (PUCCH), using a single PUCCH resource determined based on the time gap from a last one of the PSFCH resources.
Patent WO-2021093512-A1 (WO)
Title: Method and device used in node for wireless communication
Inventor: WU KEYING
IPC: H04L5/00
Filed: 2020-10-16
Abstract: Disclosed in the present application are a method and device used in a node for wireless communication. A first node receives a first signaling and a first signal in a first time-frequency resource block, and transmits a second information block in a first air interface resource block. The first signaling comprises scheduling information of the first signal; the first signal carries a first bit block set; the second information block indicates whether the first bit block set is correctly received; the first air interface resource block belongs to a first air interface resource block group; the first time-frequency resource block is used to determine a first time-frequency unit; a first time-frequency unit group comprises the first time-frequency unit and at least one other time-frequency unit, and any two time-frequency units in the first time-frequency unit group are orthogonal in the time domain; and the first time-frequency unit group is used to determine the first air interface resource block group. The described method achieves HARQ-ACK multiplexing in a sidelink, improves the resource utilization of a feedback channel, and simplifies the design of a feedback channel.
Patent WO-2021088643-A1 (WO)
Inventor: LU JIAN
IPC: H01M4/48
Filed: 2020-10-21
Abstract: Disclosed are a lithium ion battery positive electrode composite material and a preparation method therefor. The lithium ion positive electrode composite material comprises a lithium-containing matrix and three cladding layers covering the surface of the matrix, wherein the three cladding layers are a lithium-deficient matrix material layer, a lithium-deficient lithium cobalt phosphate layer and a cobalt phosphate layer from the inside out, respectively. The preparation method for the lithium ion battery positive electrode composite material comprises the following steps: (1) mixing a positive electrode material precursor and a lithium source and heat treating same for 6-20 h to obtain a lithium-containing matrix; (2) mixing cobalt phosphate and the lithium-containing matrix and heat treating same for 3-9 h to obtain a positive electrode composite material, with a mass ratio of the cobalt phosphate to the positive electrode material matrix of (0.005 : 1)-(0.5 : 1). The positive electrode composite material of the present invention reduces the oxidation effect of a highly delithiated positive electrode material on an electrolyte under a high voltage, and has a higher energy density.
Patent WO-2022077542-A1 (WO)
Title: 一种一次性钛夹钳的多夹自动送夹装置
Inventor: WANG CHUNHUA
IPC: A61B17/122
Filed: 2020-10-22
Abstract: 一种一次性钛夹钳的多夹自动送夹装置，属于钛夹钳生产技术领域，包括主体(1)和振动棒(4)，主体(1)的内部设置有滑槽(2)，且滑槽(2)的内侧安装有收集盒(3)，滑槽(2)与收集盒(3)之间为活动连接，振动棒(4)安置在收集盒(3)的上方，且振动棒(4)的左侧固定有振动电机(5)，主体(1)的上方安装有上料箱(6)，且上料箱(6)与主体(1)之间为固定连接，主体(1)的右侧设置有卡槽(7)，且卡槽(7)的内侧安置有分料箱(8)。通过振动电机(5)的使用，能够对钛夹钳进行震动分离，防止钛夹钳堆积在一起，从而降低了钛夹钳咬合在一起的情况发生，降低了钛夹钳受损的可能，而且外侧为螺纹状结构的振动棒(4)，能够利用自身的螺纹结构将钛夹钳依次分离开。
Patent WO-2022082684-A1 (WO)
Inventor: LIU XIANDA
IPC: H04L5/00
Filed: 2020-10-22
Abstract: 本发明实施例公开了一种控制信息的传输方法、装置和系统，所述方法包括：用户设备确定多个资源单元组束REG bundle与传输配置指示TCI的关联关系，其中，所述多个REG bundle为一个控制资源集CORESET对应的REG bundle，所述多个REG bundle中，第一REG bundle与第一TCI相关联，第二REG bundle与第二TCI相关联；所述用户设备根据所述确定的关联关系检测所述CORESET对应的物理下行控制信道PDCCH候选。
Patent WO-2022082834-A1 (WO)
Title: 显示面板和母板
Inventor: XIE KECHENG
IPC: G02F1/1333
Filed: 2020-10-29
Abstract: 一种显示面板（10）以及母板（98），显示面板（10）包括显示区（11）和围绕显示区（11）的非显示区（12），显示面板（10）包括第一基板（100）、第一配向层（200）以及第一吸附层（300）。在显示区（11），第一配向层（200）设置于第一基板（100）上；在非显示区（12），第一吸附层（300）设置于第一基板（100）上。
Patent WO-2021243938-A1 (WO)
Inventor: WANG ZHIJUAN
IPC: D03D15/50
Filed: 2020-10-30
Abstract: A sweat absorbing and wicking fiber, a silver ion and flame retardant composite fiber shell fabric and a manufacturing method therefor. The composite fiber shell fabric is made by mixing and spinning Coolmax fibers and polyester blended yarns, wherein the volume percent of the two fibers is 28% Coolmax fiber : 72% polyester blended yarn. By providing the Coolmax fibers, the sweat absorption property and the wicking property of the shell fabric can be greatly improved, such that the dryness of the shell fabric is greatly improved. By treating the shell fabric with silver ions, the antibacterial property of the shell fabric can be improved. By impregnating the shell fabric, the antibacterial property of the shell fabric can be further improved, odors due to microorganism growth can be inhibited, and also some common human body odors are absorbed, such that the fabric is kept smelling fresh and the growth of various gram-negative bacteria, gram-positive bacteria and fungi can be controlled effectively. By means of a padding operation, the flame retardance of the shell fabric can be improved.
Patent WO-2022095016-A1 (WO)
Title: Agricultural plant protection equipment
Inventor: YAN XUN
IPC: A01M7/00
Filed: 2020-11-09
Abstract: Agricultural plant protection equipment (20, 30, 40, 50), comprising a container (201) used for holding a liquid, and one or more pipelines communicated with the container (201). Each pipeline comprises a nozzle (2021) and a pipe (2022) used for communicating the nozzle (2021) with the container (201), and a valve device (2023) is mounted on the pipe (2022) and used for adjusting liquid flow in the pipe (2022). Each pipeline further comprises a sensor (2024) used for detecting state information of the liquid flowing from the pipe (2022) to the nozzle (2021), and a controller (2025) electrically connected to the valve device (2023) and the sensor (2024). The controller (2025) is used for automatically controlling, according to the state information of the liquid sensed by the sensor (2024), the valve state of the valve device (2023) connected thereto, so as to control the spray flow of the nozzle (2021). The automatic control of each pipeline in the agricultural plant protection equipment (20, 30, 40, 50) is achieved and the precision of spraying is improved
Patent WO-2021143330-A1 (WO)
Inventor: HE ZAIXING
IPC: G03B21/14
Filed: 2020-11-13
Abstract: 一种基于边缘感知的投影仪失焦校正方法。该方法采用投影仪-相机系统，投影仪的镜头和相机的镜头均朝向投影表面；将特殊输入图像输入投影仪投影照射至投影表面上，相机采集投影仪投影照射至投影表面后的投影结果作为输出图像；利用特殊输入图像和输出图像进行失焦卷积核标定等步骤获得补偿图片，将补偿图片作为投影仪的输入对投影仪待投影图片进行校正补偿，获得失焦补偿后清晰的投影结果。该方法无需调节投影仪物理焦距，仅通过对输入投影仪的原始图片进行处理，即可实现投影仪失焦投影结果的清晰化，可满足投影仪在存在热失焦、投影表面存在大幅高度变化等复杂应用场景下使用投影仪的需求，一定程度地扩大了投影仪设备的适用性。
Patent WO-2021120984-A1 (WO)
Inventor: SONG PENGJIE
IPC: F04C18/356
Filed: 2020-11-20
Abstract: 一种旋转式双缸空压机构以及双缸单吸气压缩机，其中，旋转式双缸空压机构包括沿第一方向依次设置的第一气缸(100)、中隔板(200)和第二气缸(300)，第一气缸(100)开设第一压缩腔(110)，第一气缸(100)于其外周开设有沿第二方向开设的吸气孔(101)，第一压缩腔(110)于其腔壁开设有沿第二方向开设并与吸气孔(101)连通的进气孔(102)，第一气缸(100)于与中隔板(200)相贴合的侧面开设连通至进气孔(102)的出气孔(103)，在垂直于第一方向的截面上，出气孔(103)在第二方向的孔长小于出气孔(103)在垂直于第二方向上的孔长，第二方向与第一方向垂直。该旋转式双缸空压机构提高锥形管于进气孔处插接可靠性以避免压缩气体泄露，以及确保了第一气缸(100)在周向上的机械强度。
Patent WO-2021115106-A1 (WO)
Inventor: FENG LIANGWANG
IPC: F24C7/02
Filed: 2020-11-20
Abstract: Provided is a drawer type microwave oven, which comprises a box body (10), a door body (20), a front plate (30), a first sliding rail (41), a second sliding rail (42), a driving motor (43) and a drainage assembly (50). The air inlet end of the drainage assembly (50) is communicated with an air outlet mesh (121), and the air outlet end of the drainage assembly (50) is disposed at the bottom of a first interval region. When the drawer type microwave oven works, the high-temperature water vapor inside a cooking cavity (12) is discharged into the drainage assembly (50) through the air outlet mesh (121), the drainage assembly (50) drains and discharges the water vapor to the bottom of the first interval region, then the water vapor flows along the bottom of the cooking cavity (12), and is discharged to the outside of the box body (10) through the front air outlet, thereby avoiding the damage, caused by contact of high temperature water vapor, to the first sliding rail (41), and the high temperature water vapor does not even contact the second sliding rail (42) and the driving motor (43).