baber/WOPTO huggingface dataset:
Patent WO-2022120674-A1 (WO)
Inventor: DUTTA Sourjya
IPC: H04B7/06
Filed: 2020-12-10
Abstract: L'invention concerne des techniques de communication sans fil. Selon un aspect, un équipement utilisateur (UE) émetteur émet, par un point d'émission-réception (TRxP) émetteur de l'UE émetteur sur un faisceau d'émission, un signal de référence de gestion d'autobrouillage (SIM-RS) pendant une première occasion d'entraînement de faisceau partagée entre une pluralité d'UE afin d'émettre des signaux de référence d'entraînement de faisceau (BT-RS) pour des communications de liaison latérale parmi la pluralité d'UE, et mesure, par un TRxP récepteur de l'UE émetteur sur un faisceau de réception, un autobrouillage au niveau du TRxP récepteur provoqué par l'émission du SIM-RS par le TRxP émetteur.
Patent WO-2021115374-A1 (WO)
Inventor: LIU FENGYU
IPC: F16D23/12
Filed: 2020-12-10
Abstract: A power assembly, a drive system and an automobile, belonging to the technical field of automobile driving. The power assembly comprises: a drive motor (1), a gear mechanism (2), a left half shaft (3), a right half shaft (4), a differential (5), a clutch (6) and a clutch control assembly (7); an output shaft of the drive motor (1) is connected to the gear mechanism (2), and the gear mechanism (2) is mounted on the differential (5) by means of a bearing (8); the left half shaft (3) is connected to a left gear in the differential (5), and the right half shaft (4) is connected to a right gear in the differential (5); a driving disc (61) of the clutch (6) is located between the gear mechanism (2) and the differential (5), is fixedly mounted on the gear mechanism (2) and is sleeved on the differential (5), and a driven disc (62) of the clutch (6) is slidably sleeved on the differential (5); and the clutch control assembly (7) is mounted on the driven disc (62), and is used to control the driven disc (62) to slide on the differential (5) in a direction close to the driving disc (61), so that the driven disc (62) is combined with the driving disc (61), and to control the driven disc (62) to slide on the differential (5) in a direction away from the driving disc (61), so that the driven disc (62) is separated from the driving disc (61). Thereby, the driving effect of the power assembly can be improved.
Patent WO-2021115480-A1 (WO)
Inventor: ZHOU XUELI
IPC: G06N20/00
Filed: 2020-12-14
Abstract: A federated learning method, related to the field of artificial intelligence, comprising: acquiring task configuration information of at least two clients participating in a target federated learning task; the task configuration information being obtained by pooling task configuration data received by the clients; initializing model training configuration information in the federated learning task on the basis of the task configuration information; executing a model training operation of the target federated learning task on the basis of the initialized model training configuration information, transmitting a model update parameter generated when executing the model training operation to the corresponding clients, thus allowing the clients to update a local federated learning model, and obtaining trained federated learning models corresponding to the clients. Also related to the field of machine learning.
Patent WO-2022110377-A1 (WO)
Title: Système d'expression induit par un gène lié à un phage
Inventor: LIU CHENLI
IPC: C12N15/73
Filed: 2020-12-17
Abstract: L'invention concerne un système d'expression induit par un gène lié à un phage, comprenant une souche hôte et un phage, la souche hôte comprenant un gène cible, le phage comprenant un gène régulateur capable d'exprimer un facteur de régulation après que le phage a été infecté dans une souche hôte, le facteur de régulation obtenu par l'expression du gène régulateur pouvant spécifiquement réguler le promoteur du gène cible, l'expression ou la modification post-expression du gène cible. Selon le système d'expression, l'infection par le phage est utilisée en tant que facteur d'induction pour démarrer l'expression d'un gène cible en aval, ce qui permet de réaliser l'expression d'un gène cible ou d'un gène de signal dans une souche hôte spécifique, de sorte que les souches hôtes dans le même système de culture se distinguent sur la base de l'infection des souches hôtes par un phage ou non.
Patent WO-2022126605-A1 (WO)
Inventor: GENG YI
IPC: H01Q19/06
Filed: 2020-12-18
Abstract: Les modes de réalisation du présent document concernent un système de feuille radio à haute fréquence. Dans un mode de réalisation, il est proposé un système d'antenne à lentille (500), comprenant : une lentille (501) ; une pluralité d'ensembles d'antennes (502) fixés à la lentille (501) ; et un multiplexeur (503) connecté à la pluralité d'ensembles d'antennes (502), pour activer sélectivement un ensemble d'antennes (502) de la pluralité d'ensembles d'antennes (502), afin qu'un faisceau collimaté soit émis à travers la lentille (501) à partir de l'ensemble d'antennes activé (502). Avec les modes de réalisation ci-inclus, une seule antenne est utilisée pour transmettre un faisceau formé par une lentille avec une capacité de collimation, ainsi les modes de réalisation peuvent fournir une manière alternative et plus efficace de remplacer la fonctionnalité de formation de faisceau. )
Patent WO-2021121426-A1 (WO)
Inventor: FANG QIANG
IPC: C08G59/32
Filed: 2020-12-21
Abstract: Synthesis and use of a protocatechuic acid-based epoxy resin. Specifically, a protocatechuic acid epoxidized monomer has a structure as shown in the following formula (I). The monomer can be cured to form a protocatechuic acid epoxy resin, thereby being used for preparing aerospace special materials.
Patent WO-2021129614-A1 (WO)
Title: 后副车架总成
Inventor: WANG WEI
IPC: B62D21/11
Filed: 2020-12-22
Abstract: 一种后副车架总成，包括后副车架主体和定位支架，后副车架主体为左右对称结构，后副车架主体上部设有车身连接部，后副车架主体的下部设有电池包护板连接部，后副车架主体上还分别设有稳定杆安装部以及上控制臂安装部和下控制臂安装部，定位支架于后副车架主体的左右两端分别设置，定位支架上分别构造有配合外部定位件的定位部。
Patent WO-2021169556-A1 (WO)
Inventor: MA XIAOYONG
IPC: G06T3/00
Filed: 2020-12-28
Abstract: A method and apparatus for compositing a face image, relating to the field of artificial intelligence. The face image can be composited by performing attribute information correction on the basis of a real face image, the authenticity of a composited face image is improved, and the compositing efficiency is improved. The method comprises: obtaining first attribute information, the first attribute information being attribute information comprised in a face image to be composited; according to the first attribute information, searching a real face image library for a first face image, the first face image comprising second attribute information, and a repetitive rate of the second attribute information and the first attribute information satisfying a threshold requirement; obtaining attribute difference information according to the first attribute information and the second attribute information, the attribute difference information being used for representing an attribute difference between the first face image and the face image to be composited; performing facial feature extraction on the first face image to obtain first facial feature information of the first face image; and compositing a second face image according to the first facial feature information and the attribute difference information.
Patent WO-2021139597-A1 (WO)
Title: Communication method and apparatus
Inventor: ZHOU RUI
IPC: H04W72/04
Filed: 2020-12-31
Abstract: Provided are a communication method and apparatus, which are used to provide a transmission scheme for an MBMS under a 5G background. The communication method provided comprises: a network side device sending, to a terminal, a correlation between an identifier of a multimedia broadcast multicast service and a transmission bandwidth for the multimedia broadcast multicast service; and the network side device sending data of the multimedia broadcast multicast service on the transmission bandwidth comprised in the correlation. Therefore, data of the multimedia broadcast multicast service can be transmitted on the transmission bandwidth comprised in the correlation.
Patent WO-2021136498-A1 (WO)
Title: Multiple reference line chroma prediction
Inventor: LIU HONGBIN
IPC: H04N19/61
Filed: 2020-12-31
Abstract: A method of video processing includes performing a conversion between a current video block of a video and a bitstream of the video using an intra prediction coding tool in which one or more reference lines are selectively used for prediction according to a rule. The bitstream conforms to a format rule. The current video block is of a color component that is different from a luma color component of the video.
Patent WO-2022036994-A1 (WO)
Title: Phase shifter unit, phase shifter, and array antenna
Inventor: JANG WEN
IPC: H01Q3/32
Filed: 2020-12-31
Abstract: The present application provides a phase shifter unit, a phase shifter, and an array antenna. The phase shifter unit comprises: a main feed plate comprising a first dielectric substrate and a feed line layer located on one side surface of the first dielectric substrate, the feed line layer comprising a main feed line and a matching branch line; and a coupling plate comprising a second dielectric substrate and a coupling layer located on one side surface of the second dielectric substrate, the coupling layer comprising a coupling feed line. The coupling layer and the feed line layer are arranged opposite to each other and insulated from each other; the coupling plate and the main feed plate can move relative to each other; in the relative movement process, the overlapping area between the coupling feed line and the main feed line changes; and in the case that the coupling feed line overlaps with the main feed line, the overlapping state between the coupling feed line and the matching branch line may change, and the overlapping state comprises overlapped and non-overlapped states. The present application achieves impedance matching in the case of a wide frequency band and a large phase shift.
Patent WO-2021139804-A1 (WO)
Title: Smoking set control circuit and smoking set
Inventor: LI WENJUAN
IPC: A24F40/50
Filed: 2021-01-10
Abstract: A smoking set control circuit and a smoking set. The smoking set control circuit comprises a power supply circuit (11) and a first sampling circuit (12); a voltage regulating circuit (13), being provided with a power tube; a second sampling circuit (14); and a microcontroller (15), being configured to: control the power tube to operate at a plurality of different preset switching frequencies; obtain a first electrical parameter and a second electrical parameter under different preset switching frequencies, and determine thereby corresponding efficiency of the voltage regulating circuit (13) under the different preset switching frequencies; and control the power tube to take the preset switching frequency corresponding to the highest efficiency in the corresponding efficiency as an operating frequency. According to the smoking set control circuit, the electrical parameters under the different preset switching frequencies are obtained, the corresponding efficiency of the voltage regulating circuit (13) is determined thereby, and then the power tube is controlled to take the preset switching frequency corresponding to the highest efficiency in the corresponding efficiency as the operating frequency; the loss of the voltage regulating circuit (13) is reduced, and the utilization rate of a power supply is improved.
Patent WO-2022134236-A1 (WO)
Inventor: LU FUPING
IPC: C12R1/07
Filed: 2021-01-12
Abstract: The present invention relates to an alkaline protease mutant, a gene thereof, an engineering bacteria thereof, a preparation method therefor and the use thereof, which belong to the technical field of bioengineering. The preparation method of the present invention comprises: extracting genome DNA from Bacillus clausii; performing PCR amplification to obtain a wild-type alkaline protease gene sequence; performing mutation by means of error-prone PCR on the wild-type alkaline protease gene obtained by amplification; performing high-throughput screening to obtain multiple alkaline protease genes having a high activity; performing DNA shuffling on the alkaline protease genes having a high activity; and screening same to obtain eight alkaline protease mutant genes having a higher activity.
Patent WO-2022160358-A1 (WO)
Inventor: ZHU XUEPING
IPC: C12Q1/10
Filed: 2021-02-01
Abstract: 肠道微生物作为早产儿支气管肺发育不良症标志物的应用，所述肠道微生物为克雷伯氏菌属(Klebsiella)、普雷沃菌属(Prevotella)、链球菌属(Streptococcus)中的一种或几种。对分离的肠道菌群核酸样本进行测序，以获得测序结果，根据测序结果，对肠道菌群中的肠道微生物的相对丰度进行检测，得到相对丰度值，将得到的肠道微生物相对丰度值与设定值进行比较，得到的结果可作为中间信息辅助诊断早产儿支气管肺发育不良。通过高通量测序技术对早产儿粪便样本16SrDNA基因进行测序，首次探讨肠道菌群与早产儿BPD发生的关系，为BPD的预防及治疗提供可靠依据。
Patent WO-2022021881-A1 (WO)
Inventor: XIAO JUNCHENG
IPC: G01K1/14
Filed: 2021-03-09
Abstract: A contact temperature sensor, comprising a sensor chip (4) with a lead wire (3), and a shell (2) for packaging the sensor chip (4). The lead wire (3) extends out of the shell (2) and is used for transmitting an electric signal of the sensor chip (4). The shell (2) has a lower surface (29). Viewed from the cross section, the lower surface (29) comprises a lower working surface (21) for detecting the surface temperature of a heating body (1) in a contact manner, and a left inclined extending surface (22) and a right inclined extending surface (23) which extend upwards from the lower working surface (21) towards the left and right sides in an inclined manner, respectively. The lower working surface (21), the left inclined extending surface (22), and the right inclined extending surface (23) jointly define a trapezoidal heat conduction region (24). The sensor chip (4) is arranged and combined to the trapezoidal heat conduction region (24). According to the contact temperature sensor, the trapezoidal heat conduction region (24) is set, the sensor chip (4) is arranged and combined to the trapezoidal heat conduction region (24), heat is guided to preferentially enter the heat conduction region (24) and is preferentially transmitted to the sensor chip (4), and the response speed and precision are improved.
Patent WO-2022193099-A1 (WO)
Title: Procédé de fabrication de grille métallique, capteur à film mince et son procédé de fabrication
Inventor: MENG HU
IPC: H01Q1/36
Filed: 2021-03-15
Abstract: L'invention concerne un procédé de fabrication d'une grille métallique (400), un capteur à film mince et son procédé de fabrication, se rapportant au domaine technique des dispositifs électroniques. Le procédé de fabrication de la grille métallique (400) consiste à : fournir un substrat de base (100) ; former, sur le substrat de base (100), un motif comprenant une première couche diélectrique (200) au moyen d'un procédé de formation de motifs, la première couche diélectrique (200) ayant une première partie de rainure en forme de grille (201) ; former une seconde couche diélectrique (300) sur le côté de la première couche diélectrique (200) à l'opposé du substrat de base (100), et la seconde couche diélectrique (300) étant au moins déposée sur la paroi latérale de la première partie de rainure (201) pour former une seconde partie de rainure en forme de grille (301) ; et former un matériau métallique dans la seconde partie de rainure (301), et au moins retirer le matériau de la seconde couche diélectrique (300) sans chevauchement de sa projection orthographique sur le substrat de base (100) avec celui du matériau métallique, de manière à former la grille métallique (400).
Patent WO-2022001193-A1 (WO)
Inventor: ZHENG WEN
IPC: G06K9/00
Filed: 2021-03-16
Abstract: A method and an apparatus for remote setting-out based on machine vision, and a terminal device and a storage medium, the method for remote setting-out based on machine vision comprising: automatically tracking easily detectable markers by means of a machine vision algorithm and, when receiving a precise positioning command, implementing precise positioning on the basis of a target object to finally complete setting-out; the present method has the advantages of high setting-out efficiency, high setting-out precision, and low costs.
Patent WO-2022193164-A1 (WO)
Title: 平铺光片显微镜及样本的成像方法
Inventor: GAO LIANG
IPC: G02B21/00
Filed: 2021-03-17
Abstract: 一种平铺光片显微镜及样本的成像方法。成像方法如下：生成第一波长范围的第一激光束（101）并生成第二波长范围的第二激光束（102）；对第一激光束进行第一光学调制（103）以及对第二激光束进行第二光学调制（104）。对第一光学调制后的第一激光束和第二光学调制后的第二激光束进行组合（105）。将组合后的激光束引导到照明路径上，并通过扫描激光束产生对应于第一波长范围和第二波长范围的第一激发光片和第二激发光片（106）。在沿着激发光的传播方向对两种激发光片进行平铺（107），以照亮样本。采集由样本发射的荧光（108）。如此，能够对各种样本组织执行同时至少双色成像，而不影响空间分辨率且不增加图像采集时间。
Patent WO-2022198475-A1 (WO)
Title: 一种探测方法及装置
Inventor: WANG HONGLIANG
IPC: G01S17/86
Filed: 2021-03-24
Abstract: 一种探测方法及装置，用于自动驾驶或者辅助驾驶。该探测装置包括：扫描系统（501），该扫描系统包括微反射镜阵列，该微反射镜阵列包括M个微反射镜。该探测装置还包括P个收发模组，P个收发模组发送的光信号通过M个微反射镜反射，和/或，P个收发模组接收经由M个微反射镜反射的光信号。P个收发模组无需通过一个微反射镜来收发信号，而是可以通过M个微反射镜来收发信号，这样就减小了微反射镜所反射的光信号所构成的点云的畸变程度，提高了探测装置所收发的光信号的准确性。该方法及装置提升了终端在自动驾驶或者辅助驾驶中的ADAS能力，可以应用于车联网，如V2X、LTE-V、V2V等。
Patent WO-2021197416-A1 (WO)
Title: 上行功率、调度信息确定方法、终端和网络侧设备
Inventor: HUANG QIUPING
IPC: H04B7/0413
Filed: 2021-04-01
Abstract: 本公开提供了一种上行功率、调度信息确定方法、终端和网络侧设备，涉及通信技术领域，该上行功率确定方法包括: 获取关于上行信号的调度信息，所述调度信息至少指示Q个子带的相关信息，Q为正整数; 根据所述调度信息，确定第一功率缩放系数; 根据所述第一功率缩放系数，确定所述上行信号的发送功率。
Patent WO-2021197442-A1 (WO)
Title: 用于电池包加热的控制方法、电机控制器及电池包加热系统
Inventor: JIANG ZHE
IPC: B60L58/27
Filed: 2021-04-01
Abstract: 提供一种用于动力电池领域的电池包加热控制方法、电机控制器(320)及电池包加热系统。控制方法应用于车辆的电机控制器(320)，且包括：接收车辆的整车控制器(310)响应于电池包温度值小于预设温度阈值而发送的第一指令(S100)，其中第一指令用于指示电机控制器(320)进入预设的电流模式；以及响应于第一指令进入电流模式，在该电流模式下通过向电机施加电流矢量来控制电机向电池包输出电流，以实现电池包加热(S200)，通过电机控制器(320)控制电机电流以实现电池包加热，无需增加其他的加热器件。
Patent WO-2021238466-A1 (WO)
Inventor: JIA NANFANG
IPC: G02F1/13357
Filed: 2021-04-13
Abstract: A display panel (100), comprising: a liquid crystal box (10), a transparent light guide plate (20), and a light source (30). In a thickness direction of the liquid crystal box (10), the light guide plate (20) is fitted to one side of the liquid crystal box (10). The light guide plate (20) comprises a first surface (21), a second surface (22), and a side surface (23). In a thickness direction of the light guide plate (20), the position of the first surface (21) is opposite to the position of the second surface (22); the side surface (23) is located between the first surface (21) and the second surface (22); the first surface (21) is close to the liquid crystal box (10) with respect to the second surface (22); the light source (30) is arranged in at least part of a region in the side surface (23) of the light guide plate (20); and the light guide plate (20) is configured such that light, which is incident to the second surface (22), in light from the light source (30) is fully reflected, and same is then emitted from the first surface (21).
Patent WO-2021218722-A1 (WO)
Inventor: OU GUIBIN
IPC: A24F40/10
Filed: 2021-04-21
Abstract: An atomizer, comprising a base (18), an e-liquid bin (06), a top cover (02) and a mouthpiece (01) which are sequentially connected. The e-liquid bin (06) is configured to be a columnar e-liquid bin (06) with an annular e-liquid storage space; a through hole is formed in the middle of the e-liquid bin (06); an atomization core assembly is arranged in the through hole and is made to move back and forth along the through hole; an electrode (09) is installed in the base (18); the electrode (09) corresponds to an electrifying end (11) of the atomization core assembly; an e-liquid outlet (07) is arranged on an inner bin wall (04) of the e-liquid bin (06); a first e-liquid inlet (08) of the atomization core assembly is arranged at a position corresponding to the e-liquid outlet (07); the atomization core assembly is fixedly connected to the top cover (02); the top cover (02) is fixedly connected to the mouthpiece (01); and by rotating the top cover (02), the atomization core assembly can move back and forth in the through hole, and the opening or closing of an e-liquid passage and the turning-on or turning-off of a circuit are controlled simultaneously, thereby avoiding the dry burning phenomenon caused by the fact that the circuit is not disconnected when the e-liquid passage is closed.
Patent WO-2021238521-A1 (WO)
Title: Nonvolatile memory-based storage method and apparatus, nonvolatile memory-based data processing method, and equipment
Inventor: ZHANG FENG
IPC: G06N3/063
Filed: 2021-04-22
Abstract: A nonvolatile memory-based storage method and apparatus, a nonvolatile memory-based data processing method, and equipment. The method comprises: obtaining a weight value needing to be stored in the nonvolatile memory (S101); if the nonvolatile memory is a high-resistance state memory device, determining, according to a first conversion method, a conductance value corresponding to the weight value (S102); if the nonvolatile memory is a low-resistance state memory device, determining, according to a second conversion method, a conductance value corresponding to the weight value, wherein the first conversion method and the second conversion method are different conversion methods (S103); and setting the nonvolatile memory in accordance with the conductance value so as to store the weight value (S104). The nonvolatile memory-based storage method and apparatus, the nonvolatile memory-based data processing method, and the equipment are used for solving the technical problem that the accuracy of weight values stored in existing nonvolatile memories is insufficient. The technical effect of improving the storage accuracy and the data processing accuracy is achieved.
Patent WO-2021238719-A1 (WO)
Inventor: WU KAIKAN
IPC: H04M1/72403
Filed: 2021-05-18
Abstract: 本发明提供了一种信息显示方法及电子设备，涉及通信技术领域。该方法包括：接收对第一应用图标的第一输入；响应于所述第一输入，显示信息显示界面，其中，所述信息显示界面包括未处理信息，所述未处理信息包括与所述第一应用图标对应的第一应用的未处理信息以及与所述第一应用相关联的第二应用的未处理信息。
Patent WO-2021244401-A1 (WO)
Title: 一种板级架构及通信设备
Inventor: FAN JIANXIN
IPC: H01R12/72
Filed: 2021-05-27
Abstract: 一种板级架构及通信设备，板级架构包括支撑板（30）、交换板（10）及压接型组件（40）；压接型组件（40）包括：线缆（43）、压接在支撑板（30）的侧边边沿的第一连接器组件（41）及压接在交换板（10）的侧边边沿的第二压接型线缆连接器（421）；第一连接器组件（41）包括第一压接型线缆连接器（411）以及与第一压接型线缆连接器（411）电连接的插拔连接器（412）；插拔连接器（412）相对于第一压接型线缆连接器（411）远离支撑板（30）；第一压接型线缆连接器（411）与第二压接型线缆连接器（421）通过线缆（43）连接，板级架构仅需插拔连接器（412）与其他板的连接器匹配，第一压接型线缆连接器（411）和第二压接型线缆连接器（421）可与其他板的连接器解耦，提高了板级架构架设的灵活性；第二压接型线缆连接器（421）可直接与交换板（10）电连接，无需再设置额外的连接器，简化了板级架构的结构。
Patent WO-2022183618-A1 (WO)
Inventor: DI LIANG
IPC: A61B50/30
Filed: 2021-06-11
Abstract: 一种介入器材固定装置，包括介入器材固定盘，介入器材固定盘设置有导丝容置槽、导管容置槽（5）以及其他辅助结构；导丝容置槽包括导丝展开区和导丝盘曲区；导丝容置槽内液面高于导丝顶面，能用于浸泡和冲洗导丝，导丝容置槽设置有排液口。介入器材固定装置通过将导丝容置槽分为导丝展开区和导丝盘曲区；方便医生在手术前将盘曲的介入器材固定，手术中将导丝按需要逐步抽出；以及对不同介入器材进行调换；提高手术的效率，降低医生的负担；还有利于降低手术的风险因素。
Patent WO-2022041953-A1 (WO)
Title: 行为识别方法、装置和存储介质
Inventor: MU CHEN
IPC: G06K9/62
Filed: 2021-06-16
Abstract: 一种行为识别方法、装置和存储介质，该行为识别方法包括：获取待识别用户对应的视频图像帧，其中，所述视频图像帧包括深度图像和骨骼图像（S10）；根据所述深度图像和所述骨骼图像确定所述待识别用户对应的姿势特征参数（S20）；根据所述待识别用户对应的姿势特征参数，确定所述待识别用户的当前行为状态（S30）。
Patent WO-2022057346-A1 (WO)
Title: Cleaning robot and cleaning method
Inventor: SHEN XIANGBO
IPC: H02S40/10
Filed: 2021-06-17
Abstract: A cleaning robot and a cleaning method. The cleaning robot comprises: a supporting mechanism, which is used for supporting the cleaning robot; a cleaning mechanism, wherein the cleaning mechanism is symmetrically arranged at two ends of the supporting mechanism, and the cleaning mechanism can clean the surface of a photovoltaic panel; and a walking mechanism, wherein the walking mechanism is arranged in the middle of the supporting mechanism, and the walking mechanism can fix the cleaning robot to the surface of the photovoltaic panel, and drive the cleaning robot to move on the surface of the photovoltaic panel. The supporting mechanism can adjust the cleaning range of the cleaning mechanism, such that the cleaning mechanism has at least a first cleaning range and a second cleaning range, and the first cleaning range and the second cleaning range may be concentric circles. The cleaning robot is small in structure, and the machine is lightweight, such that a single person can operate a plurality of robots at the same time, thereby greatly improving the efficiency of an on-site cleaning operation.