baber/WOPTO huggingface dataset:
Patent WO-2019105294-A1 (WO)
Inventor: YANG JING
IPC: H04M1/02
Filed: 2018-11-23
Abstract: 本申请实施例所提供的中框组件、电子设备及中框组件的制造方法，所述中组件对所述电子设备内部的元件起支撑作用，所述中框组件包括主体部、电磁辐射部和连接部，所连接部连接于所述主体部和电磁辐射部之间，电磁辐射部通过电子设备的电路板的匹配电路电连接至馈电点以发射和接收信号，同时实现了对支撑作用和信号收发作用。
Patent WO-2019105373-A1 (WO)
Inventor: Jiang xinpo
IPC: C12N15/28
Filed: 2018-11-28
Abstract: 提供了一种用于评价抗TNF-α药物生物学活性的重组细胞及其构建方法和应用。该重组细胞通过向HT1080细胞中导入与NF-κB的启动子相连的分泌性碱性磷酸酶或荧光素酶的报告基因系统构建而成。可用于检测肿瘤坏死因子受体与其配体的相互作用的生物学活性、抗TNF-α类药物的生物学活性。
Patent WO-2020107358-A1 (WO)
Title: Electronic fence system and control device thereof
Inventor: GAO XIA
IPC: G08B13/00
Filed: 2018-11-30
Abstract: A control device (100) for use in an electronic fence, comprising: a first apparatus (101), used for producing a tensile force signal and a control signal based on the tensile force signal; and a second apparatus (102), used for receiving the control signal and controlling the voltage output in response to the control signal.
Patent WO-2020019622-A1 (WO)
Inventor: LU QUN
IPC: H01M10/04
Filed: 2018-12-04
Abstract: 一种电池模组的成组方法和用于电池模组成组的系统，该成组方法包括：在单体工作站将软包电池装配为单体模块化电池封装（S1）；根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装至并联工作站（S2）；在并联工作站利用单体模块化电池封装装配形成并联模块化电池封装（S3）；根据预先设定的电池模组的串并联配置，从单体工作站输送相应数量的单体模块化电池封装、和/或从并联工作站输送相应数量的并联模块化电池封装至成组工作站（S4）；在成组工作站利用单体模块化电池封装和/或并联模块化电池封装装配（S5）。
Patent WO-2019153876-A1 (WO)
Title: Method and device for evaluating severity of head injury incurred by cyclist after impact with road surface, and testing method
Inventor: SHA AIMIN
IPC: G01M7/08
Filed: 2018-12-13
Abstract: The present invention provides a method and device for evaluating the severity of a head injury incurred by a cyclist after impact with a road surface, and a testing method. The method comprises: acquiring, by means of a custom-made testing device, an impact acceleration of a head model falling from a specific height onto a road surface, processing the acquired impact acceleration to calculate a TBS value, and acquiring, by means of querying a likelihood lookup table, provided by the present invention, and mapping a TBS value to the severity of a head injury incurred by a cyclist, the likelihood of a severe or minor injury in the event that a cyclist falls and hits their head on a test road surface, so as to evaluate safety risks of falling on the road surface. Compared with the related art, the method and the device provided by the present invention for evaluating the severity of a head injury incurred by a cyclist after impact with a road surface have significance in quantitatively describing whether a road surface can optimally protect the safety of cyclists, thereby providing an effective method and tool for evaluating, constructing, or repairing a cyclist lane in a city.
Patent WO-2020087685-A1 (WO)
Inventor: CHEN YONGJUN
IPC: A61P25/08
Filed: 2018-12-17
Abstract: 本发明公开了青蒿素衍生物的新应用，具体是青蒿素衍生物在制备抗癫痫的药物中的应用，所述青蒿素衍生物优选蒿甲醚、青蒿琥酯或其药学上可接受的盐，所述癫痫优选颞叶癫痫。发明人经过广泛而深入的研究，发现蒿甲醚和青蒿琥酯均能有效控制癫痫的发作，并抑制大脑癫痫性异常放电。表明蒿甲醚和青蒿琥酯在抗癫痫药物领域具有很好的应用前景，尤其是用于预防和治疗癫痫对机体大脑功能的损伤，且其疗效显著，安全性高，价格低廉，可减轻病人的经济负担。
Patent WO-2019128792-A1 (WO)
Title: 把手组件及包括其的吻合器
Inventor: CHEN WANGDONG
IPC: A61B17/326
Filed: 2018-12-19
Abstract: 一种把手组件及包括其的吻合器，其中包括滑槽(26)和滑块(3)，滑槽(26)位于第二把手(2)上，滑块(3)可在滑槽(26)中移动，当滑块(3)位于滑槽(26)的第一段，第一把手(1)与第二把手(2)不联动；当滑块(3)位于滑槽(26)的第二段，第一把手(1)与第二把手(2)通过滑块(3)联动，并驱使第二把手(2)从保险位置移动至击发位置。将把手组件分为第一把手(1)和第二把手(2)，只有第二把手(2)的运动才能够击发吻合器执行切割和缝合动作；在使用过程中，无论吻合器是否达到可击发位置，医生均可以按动第一把手(1)，然而，在吻合器未达到可击发状态时，第一把手(1)不会驱动第二把手(2)，也就不会击发吻合器。
Patent WO-2020082570-A1 (WO)
Title: Purification system for pigment vacuum disperser
Inventor: ZHAO SONGSONG
IPC: B01F15/00
Filed: 2018-12-25
Abstract: A purification system for a pigment vacuum disperser, comprising a spray tower (1), an induced draft fan (2), and an induced air duct (3). The induced air duct (3) is connected above vacuum dispersers (4) and vacuum pumps (5). First air induction hoods (40) are provided at one side of the vacuum dispersers (4), and the first air induction hoods (40) communicate with the induced air duct (3) by means of flexible first air induction branch pipes (41). The first air induction hoods (40) are provided on a movable first bracket (42), and the first air induction hoods (40) are rotatably fixed at a top portion of the first bracket (42). The first air induction hoods (40) rotate up and down in a vertical plane. Second air induction hoods (50) are provided above the vacuum pumps (5). The second air induction hoods (50) communicate with the induced air duct (3) by means of rigid second air induction branch pipes (51). The second air induction hoods (50) are provided on a fixed second bracket (52), and the second air induction hoods (50) are fixed at a top part of the second bracket (52). The second air induction hoods (50) vertically face downwards toward the vacuum pumps (5).
Patent WO-2020019694-A1 (WO)
Title: Display screen and angle-adjusting device thereof
Inventor: HE JINFENG
IPC: G09F9/33
Filed: 2019-01-24
Abstract: A display screen and an angle-adjusting device (100) thereof. The angle-adjusting device (100) comprises a first base (110), a first support connecting rod (120), a first linkage gear (130), a second base (140), a second support connecting rod (150) and a second linkage gear (160). One end of the first support connecting rod (120) is rotatably connected to the first base (110). The first linkage gear (130) comprises a first connecting part (132) and a first gear meshing part (134) arranged on the first connecting part (132), with one end of the first connecting part (132) being rotatably connected to the first base (110). The second support connecting rod (150) is rotatably connected to the first support connecting rod (120), with one end of the second support connecting rod (150) being rotatably connected to the other end of the first connecting part (132), and the other end of the second support connecting rod (150) being rotatably connected to the second base (140). The second linkage gear (160) comprises a second connecting part (162) and a second gear meshing part (164) arranged on the second connecting part (162), the second connecting part (162) being rotatably connected to the other end of the first support connecting rod (120). An adjusting process for the display screen is convenient and rapid, and angle adjustment of the display screen can be operated with good flexibility and uniformity.
Patent WO-2019154190-A1 (WO)
Inventor: ZHANG GUANG
IPC: G06F21/32
Filed: 2019-01-29
Abstract: 一种人脸识别解锁控制方法和移动终端，该方法包括：移动终端处于熄屏状态时，获取第一触摸操作（101）；获取第一触摸操作的第一触摸轨迹信息（102）；判断第一触摸轨迹信息与第一预设轨迹信息是否匹配（103）；若第一触摸轨迹信息与第一预设轨迹信息相匹配，且移动终端由熄屏状态变为亮屏锁屏状态，则禁止启动人脸识别功能（104）。
Patent WO-2019227974-A1 (WO)
Title: Electronic assembly and electronic device
Inventor: ZENG ZANJIAN
IPC: H04N5/225
Filed: 2019-02-18
Abstract: An electronic assembly (5) and an electronic device (100). The electronic assembly (5) comprises a support frame (521); a depth device (522) for acquiring depth image information; a first camera (523) for acquiring first image hue information; a projector (524); and a second camera (561) for acquiring second image hue information. The depth device (522), the first camera (523), the projector (524), and the second camera (561) are collectively provided on the support frame (521). The second camera (561) is located between the depth device (522) and the first camera (523), and an image acquisition direction of the second camera (561) is opposite to that of the first camera (523).
Patent WO-2019218744-A1 (WO)
Inventor: LV JIANNAN
IPC: G06Q20/38
Filed: 2019-02-22
Abstract: La présente invention concerne des systèmes et des méthodes de gestion de paiement. Les procédés peuvent comprendre la réception d'une demande de paiement comprenant des informations relatives à un service fourni par un fournisseur de services. Les informations relatives au service peuvent comprendre des premières informations géographiques du fournisseur de services. Les procédés peuvent en outre consister à obtenir des secondes informations géographiques d'un emplacement au niveau duquel le service est fourni, et à comparer les premières informations géographiques et les secondes informations géographiques. Les procédés peuvent en outre consister à déterminer si la demande de paiement est approuvée selon une règle prédéfinie au moins sur la base du résultat de la comparaison des deux informations géographiques.
Patent WO-2020172894-A1 (WO)
Inventor: ZHAO RUNSHENG
IPC: H04L29/06
Filed: 2019-03-01
Abstract: 本申请提供了一种物联网服务评测信息的管理方法，其主要是通过区块链(Blockchain)技术处理物流运输过程中的用户评价信息，不仅可以避免用户隐私泄露，还可保证相关评价信息的可靠性。本申请还提供了一种物联网服务评测信息的管理系统。
Patent WO-2019184768-A1 (WO)
Inventor: WANG JIN
IPC: H01L21/768
Filed: 2019-03-19
Abstract: 本发明提供一种可分离式导电接触结构及其制备方法，通过悬空柔性导电金属薄膜与导电突起接触面实现可重复插拔式的导电互联，在满足高集成密度的同时可实现垂直互联结构的可重复插拔，从而可实现VLSI信号处理电路芯片等一些昂贵器件的重复使用，有效降低耗材成本。
Patent WO-2019179514-A1 (WO)
Title: 在用户设备上运行的方法及用户设备
Inventor: ZHANG CHONGMING
IPC: H04W74/08
Filed: 2019-03-22
Abstract: 本公开提供了一种在用户设备(UE)上运行的方法，所述方法包括：利用前导码发送计数器COUNTER统计在随机接入过程中前导码的发送次数；以及当所述前导码发送计数器COUNTER的值指示前导码的发送次数达到或超过预设的最大发送次数时，基于以下项之一确定是否向UE的上层指示随机接入问题：(1)随机接入过程发送的前导码是否与辅小区的参考信号对应；或者(2)随机接入过程采用的随机接入信道时机是否与辅小区的参考信号对应。
Patent WO-2020191525-A1 (WO)
Inventor: KUANG YABIN
IPC: H04W48/16
Filed: 2019-03-22
Abstract: 本申请提供一种小区搜索的方法和装置，能够使支持ENDC的终端设备优先驻留到支持ENDC的小区，从而使用4G和5G的双连接来获取数据服务。该方法包括：获取扫频结果，扫频结果中包含多个频点；确定扫频结果中支持ENDC的频点，并优先针对支持ENDC的频点进行小区搜索。
Patent WO-2020199030-A1 (WO)
Inventor: TANG HAI
IPC: H04L29/06
Filed: 2019-03-29
Abstract: 本发明公开了一种压缩处理方法、解压缩处理方法和相关设备，其中方法包括：确定所要发送的以太网数据包头的状态，基于所述所要发送的以太网数据包头的状态，对所述所要发送的以太网数据包头的数据进行处理；其中，所述以太网数据包头的状态包括以下至少之一：非压缩状态、压缩状态。
Patent WO-2020191798-A1 (WO)
Inventor: JIN HUI
IPC: G01N27/27
Filed: 2019-04-03
Abstract: A preparation method for a nano-hybrid capable of being used for ratio fluorescent sensing and ratio electrochemical sensing simultaneously. Said method comprises: preparing SiO 2  nanospheres having a -NH 2  surface and are encapsulated in an electro-active substance A or B, connecting said nanospheres to carbon dots (CDs) having a -COOH surface or to gold nanoclusters (AuNCs) to prepare a conjugate, and connecting the conjugate to a DNA aptamer of which the terminal is -NH 2 ; adding ions or biomolecules to a mixed aqueous dispersion of two DNA-conjugates, and fitting a linear relation between a ratio fluorescent peak intensity I CDs /I AuNCs  and an ion or biomolecule concentration, so as to achieve ratio fluorescent sensing; on the basis of bonding between DNA terminal -SH and Au-S, connecting A-SiO 2 @CDs-DNA to the gold electrode surface, adding B-SiO 2 @AuNCs-DNA, ions, or biomolecules, and fitting a linear relation between an ion or biomolecule concentration and a ratio current peak intensity I B /I A , so as to achieve ratio electrochemical sensing. Compared with the prior art, the nano-hybrid can be used for the simultaneous ratio fluorescent sensing and ratio electrochemical sensing of specific ions and biomolecules in a biological sample.
Patent WO-2020151091-A1 (WO)
Inventor: ZHAO ZENGHUI
IPC: G01N3/08
Filed: 2019-04-11
Abstract: A test device and method for simulating breakage of a roof rock beam, relating to the technical field of rock mechanics. The test device comprises a test box (1), baffles (2), pressure plates (3), a sliding rail (4), pressure heads (5), a monitoring mechanism (6), and a hydraulic mechanism (7); the baffles (2) comprise a left baffle (21) and a right baffle (22); the pressure heads (5) comprise an upper pressure head (51), a left pressure head (52), and a right pressure head (53); the monitoring mechanism (6) comprises a pressure sensor, a displacement sensor, and a three-dimensional digital speckle monitor; the upper part and the left and right sides of the test box (1) are respectively provided with the pressure heads (5); the left pressure head (52) and the right pressure head (53) move up and down along the sliding rail (4); the left pressure head (52) and the right pressure head (53) respectively penetrate through the left baffle (21) and the right baffle (22) and are pressed on the pressure plates (3); the bottom of the test box (1) is provided with a test bench base (11); the left baffle (21) and the right baffle (22) are respectively fixed at the two sides of the test bench base (11); a test body (8) is placed on the test bench base (11). By means of the method for performing a breakage simulation test on the roof rock beam by using the device, the present invention solves the technical problem that the breakage simulation test of the roof rock beam has a large deviation from an actual situation, and also has the advantages, such as being simple to operate and having a wide simulation range.
Patent WO-2020215227-A1 (WO)
Inventor: CHO HIROTAKE
IPC: G06T7/20
Filed: 2019-04-23
Abstract: A method includes: performing a checking method for a first plurality of times, wherein the checking method includes: obtaining a size difference between a first bounding box bounding a first detected motion or scene change obtained using first frames and a second bounding box bounding a second detected motion or scene change obtained using second frames; and updating the first frames and the second frames; wherein for each of a second plurality of times in the first plurality of times, the size difference is greater than a predetermined threshold, and the second plurality of times is greater than or equal to a predetermined plurality of times; and determining motion or scene changes in the first frames and the second frames for each of the first plurality of times to be belonging to continuous motion based on the size difference for each of the second plurality of times.
Patent WO-2019233311-A1 (WO)
Title: Method and apparatus for device to be configured with network to access network hotspot device
Inventor: XIAO YUEZHEN
IPC: H04W48/08
Filed: 2019-05-28
Abstract: The embodiments of the present application provide a method and an apparatus for a device to be configured with a network to access a network hotspot device, being applied to a wireless network, the wireless network comprising a device to be configured with a network, a user terminal, and a network hotspot device connected to the user terminal. The method comprises: the user terminal acquiring a service set identifier and a password of the network hotspot device; using a preset encryption method to encrypt the password; encoding the service set identifier and the encrypted password, so as to obtain network configuration encoded information; sending the network configuration encoded information to the device to be configured with a network, the device to be configured with a network being configured to, upon receipt of the network configuration encoded information, perform decoding and decryption to obtain the service set identifier and the password, and using the service set identifier and the password to access the network hotspot device. As a password is encrypted and encoded prior to being sent, the problem of password leakage caused by sending the password in a plaintext manner is avoided, improving the security performance of network communication.
Patent WO-2020248262-A1 (WO)
Inventor: HU YONGSHENG
IPC: H04W4/70
Filed: 2019-06-14
Abstract: L'invention concerne un système de gestion de collecte de données basé sur l'internet des objets, qui est caractérisé en ce que le système de gestion comprend un module d'envoi de données et un module de réception de données qui sont connectés en communication. Le module de réception de données est connecté à un module de traitement de données et à un module de commande, et le module de commande ordonne au module d'envoi de données de sélectionner une configuration de données d'envoi à basse fréquence ou à haute fréquence. Le système de gestion de collecte de données basé sur l'internet des objets décrit dans l'invention fournit une fréquence de collecte de données raisonnable et efficace au moyen de l'analyse de données acquises par un terminal de collecte tout en obtenant un rendement élevé de collecte de données et d'informations, ce qui améliore la valeur d'application des données, ce qui réduit la consommation d'énergie lors de l'utilisation de l'internet des objets, et ce qui élimine le problème de charge excessive de dispositif.
Patent WO-2020211186-A1 (WO)
Inventor: HE FUAN
IPC: B01D17/02
Filed: 2019-06-18
Abstract: A hydrophilic and oleophobic sponge, a preparation method therefor and use thereof, belonging to the technical field of functional material preparation. A nanoparticle suspension is mixed with a modifier solution to obtain a modified solution. The nanoparticle suspension comprises a suspension of nano ferroferric oxide coated with silica on the surface and/or an ethanol suspension of nano silica. The modifier solution is an aqueous chitosan-acetic acid solution and an aqueous polyvinyl alcohol solution. After a sponge is immersed in the modified solution, it is mixed with an aqueous glutaraldehyde solution for a cross-linking reaction to obtain a hydrophilic and oleophobic sponge, so that the sponge has good oil-water separation performance, and can effectively separate the heavier water layer from oil-water mixtures of light oil such as lubricating oil. engine oil, pump oil, crude oil, gasoline and sunflower seed oil simply by means of gravity. The hydrophilic and oleophobic sponge prepared by said method has a good application prospect in oil-water separation.
Patent WO-2020168666-A1 (WO)
Inventor: WANG LIXIN
IPC: G06F16/11
Filed: 2019-06-26
Abstract: La présente invention concerne un procédé de déploiement de données basé sur un réseau DHT, un dispositif de nœud, un système de déploiement de données et un support de stockage. Un premier dispositif de nœud stocke des données prédéployées. Le procédé de déploiement de données consiste à : envoyer une première notification de données à un second dispositif de nœud ; détecter si une première requête de données est reçue, la première requête de données étant envoyée au premier dispositif de nœud par le second dispositif de nœud en réponse à la première notification de données ; et si la première requête de données est reçue, envoyer des données de déploiement de première requête au second dispositif de nœud, en réponse à la première requête de données. Des données dans un second dispositif de nœud sont déployées et distribuées de manière uniforme au moyen d'un premier dispositif de nœud, de telle sorte que la bande passante du second dispositif de nœud peut être efficacement utilisée et de telle sorte qu'une tempête de données provoquée par un déploiement désordonné des données dans le second dispositif de nœud soit évitée.
Patent WO-2020215501-A1 (WO)
Inventor: CHEN YONGJUN
IPC: D01F6/94
Filed: 2019-07-17
Abstract: 本发明公开了一种具有阻燃功能的聚氨酯弹性纤维及其制备方法，所述聚氨酯弹性纤维以含有磷元素的聚醚二元醇或聚酯二元醇为原料，与4，4'-二苯甲基烷二异氰酸酯反应制成预聚物，并用有机胺扩链，得到聚氨酯溶液，由该聚合物溶液进行干法纺丝，制备聚氨酯纤维，制备得到的聚氨酯纤维的极限氧指数在25-32％之间。
Patent WO-2021003799-A1 (WO)
Inventor: DIAO LIJUN
IPC: B60M3/00
Filed: 2019-08-14
Abstract: 本发明提供了一种电气化铁路的能量协调系统。该系统包括：牵引网、高压柜和功率组件，高压柜的一端接入所述牵引网，另一端与功率组件连接；高压柜用于实现高压侧的通断、电压电流检测和保护作用；功率组件包括变压器、脉冲宽度调制PWM变流器和储能模块，PWM变流器位于储能模块与所述变压器之间，PWM变流器控制储能模块的充放电电压和电流，根据网压值变化储能模块工作于储能模式或者释能模式。本发明针对性地根据长大坡道、长大隧道等困难线路特点，巧妙利用牵引网、储能元件与PWM变流器的技术特性，实现了能量的回收与再利用，维持列车运行性能，且当牵引网出现远程供电故障时，所储存能量可以用于就近应急供电，使列车驶离危险路段，等待救援。
Patent WO-2020038490-A1 (WO)
Title: Therapeutic agent comprising nucleic acid and car-modified immune cell and application thereof
Inventor: HU FANG
IPC: A61K35/768
Filed: 2019-08-26
Abstract: Provided are a therapeutic agent comprising nucleic acid and a CAR-modified immune cell and an application thereof. The therapeutic agent comprises a first composition and a second composition. The first composition comprises nucleic acid used for introducing tumor cells and/or cancer cells and having a marker polypeptide coding sequence. The marker polypeptide has an extracellular antigen determining region, a spacer part, and a transmembrane part which are operatively connected, and can be expressed to modify the surfaces of the tumor cells and/or cancer cells. The amino acid sequence of the extracellular antigen determining region contains the amino acid sequences of one or more antigen epitope polypeptides, wherein in the nature state, the amino acid sequence of a cell membrane protein or a secretory protein of the mammal does not contain the amino acid sequences of the antigen epitope polypeptides. The second composition comprises a chimeric antigen receptor-modified immune cell. The chimeric antigen receptor-modified immune cell can specifically recognize and combine the extracellular antigen determining region of the marker polypeptide. The synergistic effect is achieved.
Patent WO-2020228178-A1 (WO)
Title: 一种显示面板
Inventor: XIAO XIANG
IPC: H01L27/32
Filed: 2019-08-27
Abstract: 本申请提供一种显示面板，包括设置在衬底基板上的栅线和数据线；衬底基板上还划分有像素区域，其包括透明区域和设有像素电路的像素电路区域；至少相邻两像素区域的像素电路区域在位置上紧邻设置形成像素电路聚集区，同一行和/或同一列像素区域的所述像素电路区域分散设置，相邻两个像素电路聚集区之间以透明区域隔开。
Patent WO-2021022623-A1 (WO)
Inventor: SHI XUGANG
IPC: A61B5/00
Filed: 2019-09-12
Abstract: Disclosed in the present invention is a camera having a transdermal optical imaging function, comprising: a lens, an image sensor, a master control module, a transdermal optical imaging algorithm module, and an IP network interface module. The lens is located at a photographing acquisition position of the camera. An output end of the image sensor is electrically connected to input ends of the master control module and the transdermal optical imaging algorithm module, respectively. The master control module is electrically connected to the transdermal optical imaging algorithm module. The master control module is electrically connected to the IP network interface module. In the present invention, the camera directly applies to itself a transdermal optical imaging algorithm, so that an algorithm module can directly obtain original RGB data from a sensor in the camera, thereby greatly improving detection precision and the quality of vascular imaging, distantly detecting a transdermal optical image of a human face, and further detecting a transdermal optical image of a moving human face.
Patent WO-2020177302-A1 (WO)
Inventor: DAI LI
IPC: C21B9/10
Filed: 2019-09-24
Abstract: Provided is a method for utilizing cold-air heat of a blast furnace axial flow blower, involving: configuring two or more hot blast stoves (104, 204, 303) and, when using an alternating air supply method for supplying air to a blast furnace, providing heat exchange devices (1031, 1032, 302) on a hot air pipeline, thus utilizing blower (101, 201, 301) cold-air heat while simultaneously reducing the inlet air temperature of a hot blast stove presently in an air supply state, so as to extend the combustion time a hot blast stove may be in a combustion state. Additionally provided is a hot blast stove system, comprising: hot blast stoves (104, 204, 303) and a blower group, the hot blast stoves (104, 204, 303) being connected to the blower group by means of a hot air pipeline; the hot air pipeline having disposed thereon heat exchange devices (1031, 1032, 302) used for performing heat exchange with regard to air blown from blowers (101, 201, 301), so as to reduce the inlet air temperature of the hot blast stoves (104, 204, 303). By reducing the inlet air temperature of a hot blast stove presently in an air supply state, not only is cold-air heat from a blast furnace axial flow blower utilized, but the combustion time of a hot blast stove presently in a combustion state is simultaneously extended, thus achieving the aim of increasing hot blast stove outlet air temperature, and aiding in decreasing a coke ratio and increasing steel production.