baber/WOPTO huggingface dataset:
Patent WO-2021031405-A1 (WO)
Title: Automatic working system, automatic travelling device and control method therefor, computer device, and computer readable storage medium
Inventor: HU CHENG
IPC: G05D1/02
Filed: 2019-11-13
Abstract: An automatic working system, an automatic travelling device and a control method therefor, a computer device, and a computer readable storage medium, the control method comprising: when determining a trimming state, controlling an automatic travelling device to enter a trimming mode, the trimming mode being the automatic travelling device travelling and working along a boundary; the step "determining a trimming state" comprises: receiving a position signal of at least part of the automatic travelling device being positioned on a boundary or outside a boundary on one side of the central axis in the forward direction. On the basis of the positional relationship between the automatic travelling device and the boundary, the automatic travelling device can determine whether trimming is needed and, when determining that trimming is needed, the automatic travelling device can travel and work along the boundary, so that the work of the automatic travelling device in the working range enclosed by the boundary is more complete. For a lawn mowing robot, the lawn mowing robot can completely trim the grass at the boundary, so that the trimming effect is better and more aesthetically pleasing overall.
Patent WO-2021072951-A1 (WO)
Title: Internet of things and machine learning-based smart indoor energy conservation system
Inventor: SUN BAOSHI
IPC: G05B19/418
Filed: 2019-12-11
Abstract: An Internet of Things and machine learning-based smart indoor energy conservation system, comprising a control input parameter module, an Internet of Things main control unit, an Internet of Things terminal node set, a terminal device set, a smart energy conservation system module, and a result feedback module. The input parameter module comprises multiple control input parameters, which include but are not limited to: device control events, a human body sensing sensor, an ambient light sensing sensor, region information, a planning schedule, user preferences, scenario information, an environmental sensor, etc. By utilizing the combined use of Internet of Things technology and smart algorithms, the integration of energy conversation, user experience and operating performance may be optimized. Multiple input parameters are integrated, which may allow for more comprehensive and more scientific decision making.
Patent WO-2021103202-A1 (WO)
Title: 一种充放电结构及充电方法
Inventor: JIA YU
IPC: H02J7/00
Filed: 2019-12-17
Abstract: 一种充放电结构及充电方法，包括：主板（101）、处理器（1011）、硬件充电接口（109）、子电路板（108）、柔性电路板（107）、晶体管（112）、充电管理电路和至少两个储能模块（111），充电器（110）经硬件充电接口（109）与子电路板（108）电连接，主板（101）经充电管理电路与储能模块（111）电连接；当处理器（1011）检测到充电器（110）与子电路板（108）电连接时，向充电管理电路输出控制指令，充电管理电路接收到控制指令后，控制储能模块（111）进行充放电。
Patent WO-2021004022-A1 (WO)
Inventor: LV DONG
IPC: H04W12/69
Filed: 2019-12-24
Abstract: Disclosed is a method for using a single IMSI for repeated registration of multiple network terminals. The method comprises: writing an original IMSI and the values of a pseudo-random CDMA list to multiple wireless terminals, wherein the original IMSI is the same for the multiple wireless terminals, the pseudo-random CDMA list is determined, and the values of the pseudo-random CDMA list are different for the multiple wireless terminals; when the wireless terminal is in a roaming state, sending a registration message to a home subscriber authentication and management network element, wherein the registration message includes the original IMSI of the terminal and the values of the corresponding pseudo-random CDMA list; and authenticating the original IMSI of the terminal, and looking up the value of the corresponding pseudo-random CDMA list from the pseudo-random CDMA list, wherein when the IMSI matches the value of the pseudo-random CDMA list, access authentication is passed, otherwise the access authentication is rejected.
Patent WO-2021128152-A1 (WO)
Title: Procédé et système de traitement d'une pluralité de messages entre différents services de réseau social
Inventor: HUANG MINGHAI
IPC: H04L29/08
Filed: 2019-12-26
Abstract: Selon un premier aspect, l'invention concerne un système de traitement d'un message entre un premier compte de réseau social sur un premier service de réseau social et un second compte de réseau social sur un second service de réseau social qui est différent du premier service de réseau social, le premier service de réseau social ayant un premier canal de message et le second service de réseau social ayant un second canal de message, le système comprenant : un serveur ayant au moins un processeur ; et au moins une mémoire comprenant un code de programme informatique ; lesdites mémoires et le code de programme d'ordinateur étant configurés pour, à l'aide desdits processeurs, amener le serveur au moins : à recevoir, à travers le second canal de message, une demande d'envoi du message au premier compte de réseau social, la demande comprenant le message à envoyer, un premier identifiant de compte associé au premier compte de réseau social et des secondes informations de compte associées au second compte de réseau social ; à déterminer si le second compte de réseau social est autorisé à envoyer le message au premier compte de réseau social sur la base du premier identifiant de compte ; et à transmettre, par l'intermédiaire du premier canal de message, le message à afficher sur la base de la détermination du fait que le second compte de réseau social est autorisé à envoyer le message au premier compte de réseau social.
Patent WO-2021012631-A1 (WO)
Title: 小便器磁悬浮冲排封闭隔臭方法及装置
Inventor: GUO YI
IPC: E03C1/28
Filed: 2020-07-22
Abstract: 本发明涉及一种小便器磁悬浮冲排封闭隔臭方法及装置，为解决现有技术封闭性能差问题，是小便器本体利用落水斗上部内缩口密封套配的磁悬浮冲排阀进行冲排封闭，磁悬浮冲排阀以一个上端口外周与落水斗上部内缩口密封套配的上开口落水笼作为下排通道，落水笼内中部通过竖向滑配支撑架竖向滑配一个上端带封闭盘的滑杆作为上下往复运动的阀芯，滑杆下端与落水笼底部的相对位置分别配置上下相排斥的上下同极磁铁用于向滑杆及封闭盘提供向上复位的磁排斥动力，落水笼上部有与封闭盘上下挤压密封的环式兰盘，受冲排冲力封闭盘下行，与环式兰盘间敞开下排通道，冲排断流后恢复初始状态。具有封闭性能好，可靠性强，节水性能优异，易维护，寿命长的优点。
Patent WO-2020143598-A1 (WO)
Title: 一种新能源汽车人工快换型通用动力电池
Inventor: WANG NINGHAO
IPC: H01M50/249
Filed: 2020-01-07
Abstract: 一种新能源汽车人工快换型通用动力电池，包括电池本体(1)，电池本体(1)上设置有快换接口(2)，快换接口(2)包括主电接口，电池本体(1)使用时与新能源汽车连接，且电池本体(1)的任一投影面积小于0.09平方米，厚度不超过140mm，重量小于12Kg。该电池本体(1)的尺寸小、重量轻，便于在车上分布组合，电池本体(1)上设置有快换接口(2)便于为新能源汽车快速换电补充电能；同时电池本体(1)配备有抓取装备，抓取装备可对电池本体(1)进行抓取，且可用手持抓取装备抓取，方便快捷。电池本体(1)设置在电池舱内，电池舱门(19)可折叠，使得电池舱门(19)能够在车体内打开不受阻挡。
Patent WO-2020143677-A1 (WO)
Inventor: FENG YINHUA
IPC: G05D1/10
Filed: 2020-01-08
Abstract: An aircraft (10) control method and a flight control system (70). The control method is applied to an aircraft (10), and comprises: connecting a remote control (20, 701) to a master terminal (30, 702) (401); connecting the master terminal (30, 702) to at least one slave terminal (40, 703), such that each slave terminal (40, 703) of the at least one slave terminal (40, 703) is connected to the master terminal (30, 702) (402); determining that the remote control (20, 701) has established a connection with the aircraft (10) (403); and the remote control (20, 701) controlling the aircraft (10) according to a control instruction issued by the master terminal (30, 702) and/or the at least one slave terminal (40, 703) (404). The situation in which each terminal needs to be configured with the remote control (20, 701) can be prevented, such that the burden of holding the remote control (20, 701) by hand is relieved, and the cost can also be reduced.
Patent WO-2021138851-A1 (WO)
Title: Atomization device
Inventor: XU SHENGYANG
IPC: A61M15/00
Filed: 2020-01-08
Abstract: An atomization device (100), comprising a cartridge (100A) and a main body (100B). The cartridge (100A) comprises a cartridge shell (1), an upper cover sealing assembly (2), a heating assembly upper cover (3), a sealing assembly (4), a heating assembly (5), a support (61), a heating assembly lower cover (71), a sealing ring (8) and a cartridge base (9). The cartridge base (9) comprises upright walls (9w1, 9w2). The upright walls (9w1, 9w2) are disposed at two sides of the cartridge base (9). There may be a plurality of grooves extending in the horizontal direction on the upright walls (9w1, 9w2). There may be a plurality of grooves extending along the vertical direction on the upright walls (9w1, 9w2). The plurality of grooves disposed on the upright walls (9w1, 9w2) of the cartridge base (9) may reduce the volume of e-oil entering an atomizing chamber (7c), and reduce the probability of the e-oil leaking to the outer part of the cartridge (100A).
Patent WO-2020143807-A1 (WO)
Title: Quasi-co-location indication method and apparatus
Inventor: JI LIULIU
IPC: H04L5/00
Filed: 2020-01-10
Abstract: The present application provides a quasi-co-location indication method and apparatus, relating to the technical field of communications, and used for causing a terminal to learn a quasi-co-location relationship between a plurality of antenna ports of a first reference signal resource. The method comprises: a terminal receives quasi-co-location indication information, said quasi-co-location indication information being used for indicating M antenna port sets corresponding to the first reference signal resource; each antenna port set in the M antenna port sets contains one or a plurality of CDM sets configured by the first reference signal resource; said CDM group contains a plurality of antenna ports; a quasi-co-location relationship is present between any two antenna ports in the same antenna port set; afterward, according to the quasi-co-location indication information, the terminal determines a quasi-co-location relationship between the plurality of antenna ports of the first reference signal resource.
Patent WO-2020151733-A1 (WO)
Title: Albumin nanoparticles, the making method, and uses thereof
Inventor: QIAN FENG
IPC: A61P35/00
Filed: 2020-01-22
Abstract: An albumin nanoparticle comprises a core consisting of at least one diester derivative of β-lapachone and a shell consisting of at least one albumin. Further, a preparation method and use thereof. The albumin nanoparticle has a significantly longer in vivo half-life, markedly reduced toxicity and side effects, and an observably widened therapeutic window, and thus can treat cancer associated with KRAS mutations.
Patent WO-2021147111-A1 (WO)
Inventor: ZHANG DI
IPC: H04W24/00
Filed: 2020-01-23
Abstract: 本申请提供了一种通信方法和通信装置，网络设备通过通知终端设备实际发送参考信号的天线端口，使得终端设备可以通过对实际发送参考信号的天线端口所发送的参考信号的测量，获得更准确的CSI。一些方法中，网络设备可以直接或间接激活与网络设备当前所使用的天线端口匹配的参考信号资源，或者，网络设备可以直接或间接向终端设备指示当前激活的参考信号资源或者之前配置的参考信号资源中，与网络设备当前所使用的天线端口匹配的参考信号资源，从而终端设备可以基于网络设备的指示，通过对真实发送参考信号的天线端口所发送的参考信号的测量，获得更准确的CSI。
Patent WO-2020168948-A1 (WO)
Inventor: CHEN ZHE
IPC: A23L23/00
Filed: 2020-02-12
Abstract: 即食燕窝羹，包括燕窝和中药组分，所述中药组分包括人参、党参、黄芪、茯苓、白术、芡实、莲子、山药、黄精、薏仁、大枣和白扁豆中的至少一种，所述燕窝为干燕窝或即炖燕窝，所述中药组分为中药材或中药提取物。将燕窝、清汤和中药组分装入容器后密封，经过110℃-130℃炖煮或蒸煮15-25min，得到即食燕窝羹。
Patent WO-2020177528-A1 (WO)
Title: 显示装置
Inventor: ZOU XIANGXIANG
IPC: G06F3/041
Filed: 2020-02-18
Abstract: 一种显示装置（1），包括：显示面板（12）；边框（14），所述边框（14）设置在所述显示面板（12）的边部，所述边框（14）包括透光区域；多个导光结构（142），多个所述导光结构（142）相互间隔开，所述导光结构（142）的一端具有感光区域（1422），所述感光区域（1422）与所述透光区域相对设置使得光能够透过透光区域照射到感光区域（1422）上；以及光学器件（144），设置在所述导光结构（142）的远离所述感光区域（1422）的一端，其中，所述导光结构（142）被配置为将照射在所述感光区域（1422）的光传导至所述光学器件（144）。
Patent WO-2021147134-A1 (WO)
Title: Method for cultivating and screening rice on basis of amylose content and use of novel wx promoters created thereby
Inventor: LIU QIAOQUAN
IPC: C12N15/82
Filed: 2020-02-24
Abstract: Provided are a method for cultivating and screening rice on the basis of an amylose content and promoters, i.e. Wx b1, Wx b2, Wx b3, Wx b4, Wx b5, Wx b6 and Wx b7, suitable for rice Wx gene expression and created on the basis of the method, the nucleotide sequences of the promoters being as shown in SEQ ID NOs: 8-14, respectively. The method comprises modifying the promoters of the rice Wx gene. The method and the promoters are used for the improved breeding of rice varieties and the regulation of the rice Wx gene expression, thereby regulating the amylose content of rice and improving the eating and cooking quality of rice.
Patent WO-2021168788-A1 (WO)
Inventor: ZHANG CHENGQING
IPC: H01F27/28
Filed: 2020-02-28
Abstract: An insulation end ring and a transformer. The insulation end ring (100) comprises a ring body (101) adapted to be arranged between two coils (202) helically wound in a layer around a core (203), wherein circumferential edges (1013) of the ring body (101) are in helical shapes and allow the coils (202) to be synchronously wound along a respective one of the circumferential edges (1013) to form helical shapes of the adjacent coils (202). By both of the circumferential edges (1013) of the ring body (101) being in helical shapes, the coils (202) of the split-coil transformer sharing one common core (203) can be synchronously wound along the circumferential edges (1013), respectively. In this way, the efficiency for winding the coils (202) is significantly improved. Furthermore, the spacer plate is no longer needed. As a result, the total height of the split-coil winding is reduced, thereby reducing the weight and the volume of the transformer.
Patent WO-2020182145-A1 (WO)
Title: Optical lens, camera module and manufacturing method thereof
Inventor: CHEN LIEFENG
IPC: G02B7/02
Filed: 2020-03-11
Abstract: Provided is an optical lens, comprising: a lens component (2001) comprising at least one first lens and a lens barrel portion (2005) holding the at least one first lens therein, the outer part of the lens barrel portion (2005) having a first fastener (2002) arranged along the circumferential direction; a lens drive component comprising a drive portion and a drive portion carrier, the drive portion driving the lens component (2001), the inner part of the drive portion carrier having a second fastener arranged along the circumferential direction, the first fastener (2002) and the second fastener being engaged to couple the lens component (2001) and the lens drive component, one of the first fastener (2002) and the second fastener having an inclined portion (2003) that is inclinedly arranged along the circumferential direction. Provided are also a corresponding manufacturing method for the optical lens and a camera module. The assembly tolerance, optical lens tilt and optical lens volume can be reduced, and the imaging quality of the optical lens or the camera module can be improved.
Patent WO-2021189294-A1 (WO)
Title: 卷积运算系统和卷积运算方法
Inventor: XIE HUAN
IPC: G06F7/485
Filed: 2020-03-25
Abstract: 本申请实施例公开了一种卷积运算系统，应用于数据处理领域。本申请的卷积运算系统包括第一转换模块和卷积处理模块，第一转换模块用于将具有第一格式的第一数据组转换为具有第二格式的第二数据组；卷积处理模块包括第一处理单元，第一处理单元用于处理第二数据组的卷积运算，以获得具有第二格式的第一卷积数据。其中，通过在卷积运算前，第一转换模块先转换第一数据组的格式，使得第一处理单元进行卷积运算时，无需进行2补码运算。因此可以减少第一处理单元的格式转换硬件，降低第一处理单元的功耗和面积。
Patent WO-2021109363-A1 (WO)
Title: Electrode assembly and a forming method and production system therefor, secondary battery, and battery module and apparatus
Inventor: ZHAO FENGGANG
IPC: H01M10/04
Filed: 2020-03-25
Abstract: The present application relates to an electrode assembly and a forming method and production system therefor, a secondary battery, and a battery module and apparatus. The electrode assembly comprises: a first electrode sheet, comprising a plurality of bending sections and a plurality of first laminate sections arranged in a laminated manner, wherein each bending section is used for connecting two adjacent first laminate sections, and the bending section has a guiding portion for guiding the bending section to bend during production; a second electrode sheet with the opposite polarity to the first electrode sheet, wherein the second electrode sheet comprises a plurality of second laminate sections, and each second laminate section is arranged between two adjacent first laminate sections. The electrode assembly of the embodiment of the present application can ensure that the first electrode sheet and the second electrode sheet are in a pre-determined position after being laminated, thereby ensuring that a secondary battery has good electrochemical performance.
Patent WO-2021196131-A1 (WO)
Title: 用于分析血细胞的光学检测系统及血细胞分析仪
Inventor: WANG DONGSHENG
IPC: G01N33/49
Filed: 2020-04-02
Abstract: 一种用于分析血细胞的光学检测系统(20)及具有光学检测系统(20)的血细胞分析仪(10)。其中光学检测系统(20)中的光隔离器(222)包括至少部分吸收反射杂光的消光组件(2223)，能够避免反射杂光进入光学检测系统(20)的激光器(21)，防止激光器(21)的输出功率产生波动，保证了光学基线的稳定性，此外能够防止出射的激光在光学系统中产生漫反射，减少光学系统杂光来源，进而能够保证对通过光学检测系统(20)中的流动室(23)的血细胞进行检测的准确性和精度以及能够实现检测尺寸更小的粒子，提供更加可靠的临床参数检测。
Patent WO-2020200291-A1 (WO)
Inventor: PLEWE MICHAEL BRUNO
IPC: A61K31/535
Filed: 2020-04-02
Abstract: La présente invention concerne des composés hétérobifonctionnels (par exemple des composés à petite molécule bifonctionnel), des compositions comprenant un ou plusieurs des composés hétérobifonctionnels, et des procédés d'utilisation des composés hétérobifonctionnels pour le traitement de certaines maladies chez un sujet en ayant besoin. L'invention concerne également des procédés d'identification de tels composés hétérobifonctionnels.
Patent WO-2021203386-A1 (WO)
Title: Reporting of event for beam failure recovery
Inventor: TURTINEN SAMULI
IPC: H04W16/28
Filed: 2020-04-09
Abstract: Example embodiments of the present disclosure relate to a device, method and computer readable storage medium for reporting of an event for beam failure recovery. In example embodiments, if a beam failure is detected for one or more beams, a first device determines a new beam and performs a first type of random access or a second type of random access using the new beam to recover the beam failure. Further, the first device sends, to a second device, at least a first event indication of at least one of a usage event that the first type of random access has been performed to recover the beam failure, and a recovery event that the beam failure is recovered with the first type of random access.
Patent WO-2021207993-A1 (WO)
Inventor: WANG CHANGFA
IPC: C12N15/11
Filed: 2020-04-16
Abstract: La présente invention concerne un kit de détection de site SNP lié à un trait vertébral lombaire multiple de l'âne Dezhou et un procédé d'utilisation de celui-ci. Ledit kit comprend une paire d'amorces PCR pour amplifier un marqueur moléculaire SNP du gène NR6A1, un système de réaction PCR, un système de réaction de digestion enzymatique et un marqueur ADN. L'amorce de PCR comprend une amorce amont et une amorce aval. Le marqueur moléculaire SNP amplifié par la paire d'amorces PCR est situé à la position 18114688 du gène NR6A1 du chromosome 10 de l'âne Dezhou.
Patent WO-2020228772-A1 (WO)
Title: Data transmission method and device
Inventor: ZHAO ZHENSHAN
IPC: H04W72/04
Filed: 2020-05-14
Abstract: Embodiments of the present disclosure provide a data transmission method and device. The method comprises: monitoring PSCCHs in each slot within a slot set separately, to detect whether exists a PSCCH transmitted from a second terminal targeting to the first terminal in each slot within a slot set (S202); receiving an associated PSSCH based on each detected PSCCH targeting to the first terminal (S204); and transmitting one PSFCH carrying a HARQ feedback corresponding to each slot within the slot set in a slot corresponding to the slot set; wherein, the slot set comprises one or more slots (S206).
Patent WO-2020248897-A1 (WO)
Inventor: ZHANG FANG
IPC: H04W52/36
Filed: 2020-06-04
Abstract: 本申请提供了一种功率配置方法及装置，涉及通信技术领域。在该方法中，网络设备可以将终端的多个载波中的每个载波支持的最大发射功率作为该载波允许采用的最大发射功率配置给终端，从而使得终端在一个载波上的上行发射功率可以达到支持的最大发射功率，由于上行发射功率越大，同样的频谱资源可以承载更多的信息，从而最大化利用频谱资源，提升用户速率和网络吞吐量。
Patent WO-2021203546-A1 (WO)
Title: Face mask
Inventor: WEI DONGJIN
IPC: A41D13/11
Filed: 2020-06-09
Abstract: A face mask (10), comprising a face mask body (101); the face mask body (101) is provided with an elastic connection part (102) used to fit the head of a wearer so as to secure the face mask body (101), and the face mask body (101) is provided with a color-changing part (103) that is made from a temperature-sensitive color-changing material; at least one part of the color-changing part (103) is exposed, or the color-changing part (103) is covered with a transparent layer so that a change in the color of the color-changing part (103) caused by the temperature of human skin can be displayed and observed. A change in the body temperature of the wearer can be observed immediately. When the body temperature of the wearer reaches or passes a warning value, a medical test can be performed as early as possible, while other people will be alerted, thus effectively blocking the spread of viruses and having a good decorative effect.
Patent WO-2021103534-A1 (WO)
Title: 一种唾液乳杆菌ls97及其应用
Inventor: FANG SHUGUANG
IPC: C12R1/225
Filed: 2020-07-02
Abstract: 一种唾液乳杆菌LS97及其应用，该菌株已于2018年12月10日保藏于中国微生物菌种保藏管理委员会普通微生物中心，保藏编号为CGMCC NO.16922，分类命名为唾液乳杆菌(Lactobacillus salivarius)，保藏地址为北京市朝阳区北辰西路1号院3号中国科学院微生物研究所，其可高效抑制表兄链球菌生长。
Patent WO-2021004383-A1 (WO)
Inventor: ZHU GUANG
IPC: B29C64/00
Filed: 2020-07-03
Abstract: A prepolymer with multiple functional groups is disclosed. The embodiments of the prepolymer may have the compound of Formula X: (Formula X) A polymerizable liquid comprising such prepolymer that can be used for producing three-dimensional objects by methods of additive manufacturing and the method using such polymerizable liquid to form three-dimensional objects is also described.
Patent WO-2021248610-A1 (WO)
Inventor: CHENG CHINGYUAN
IPC: G02F1/1333
Filed: 2020-07-09
Abstract: The present application provides a touch panel, a touch display device, and a manufacturing method therefor. The touch panel comprises an encapsulating cover plate and a touch substrate which are arranged one opposite the other; a first adhesive frame is disposed between the encapsulating cover plate and the touch substrate; the encapsulating cover plate, the touch substrate, and the first adhesive frame combine to form a first cavity, and the first cavity is filled with a transparent filling layer.
Patent WO-2021057189-A1 (WO)
Inventor: TAN GAOHUI
IPC: A61H1/02
Filed: 2020-07-10
Abstract: Disclosed are a limb rehabilitation exoskeleton (100) and a limb rehabilitation system using the limb rehabilitation exoskeleton (100). The limb rehabilitation exoskeleton (100) comprises: a first support rod (10); a second support rod (20), the second support rod (20) being rotatably connected to the first support rod (10); a first guide wheel assembly (30), the first guide wheel assembly (30) being arranged at the end of the first support rod (10) that is away from the second support rod (20); a second guide wheel assembly (40), the second guide wheel assembly (40) being arranged at the end of the second support rod (20) that is away from the first support rod (10); and a binding structure, the binding structure being used for fixing part of a limb to the first support rod (10) and fixing part of the limb to the second support rod (20). The limb rehabilitation exoskeleton (100) and the limb rehabilitation system using the limb rehabilitation exoskeleton (100) are intended to have a guiding function when the exoskeleton is used for assisting human rehabilitation, and fix a limb to make the limb move along a rational track of motion, thereby improving the rehabilitation effect.
Patent WO-2021027528-A1 (WO)
Title: 一种抑制气体分子污染物扩散的洁净室
Inventor: LI CHUANYAN
IPC: F24F7/10
Filed: 2020-07-24
Abstract: 本申请涉及洁净厂房技术领域，公开了一种抑制气体分子污染物扩散的洁净室，包括调压设备组件，用于调节上技术夹层双墙夹道内气压，以正常生产时使上技术夹层双墙夹道内的气压高于与其相邻的带污染源上技术夹层和无污染源上技术夹层内的气压；和/或，用于调节下技术夹层双墙夹道内气压，以正常生产时使下技术夹层双墙夹道内的气压高于与其相邻的带污染源下技术夹层和无污染源下技术夹层内的气压，或，以正常生产时使下技术夹层双墙夹道内的气压低于与其相邻的带污染源下技术夹层和无污染源下技术夹层内的气压。本申请公开的洁净室，可以降低或避免带污染源生产区产生的污染物进入到无污染源生产区中，以提高无污染源生产区中产品的良率。