当前查询到53条专利与查询词 "Wu Xiaokang"相关,搜索用时0.2499995秒!排序方式:
发明专利:32实用新型: 19外观设计: 2
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申请号:201911264882.1 公开号:CN110863850A 主分类号:E21D21/00
申请人:【中文】湖南科技大学【EN】Hunan University of Science and Technology 申请日:2019.11.29 公开日:2020.03.06
摘要:【中文】本发明属于地下工程软岩巷道支护领域,具体涉及到一种用于煤矿深部巷道的大变形控制锚索。该锚索包括管径相同的一号套筒及二号套筒;所述的一号套筒一端封闭,另端开口,并与两端开口的二号套筒3的一端对接。本发明可以通过刚性弹簧的变形减弱锚索受到的拉力,且起到一定的阻力,同时在刚性弹簧失效后,加设的二次支护阻力头会给杆体的扩大端头阻力,从而对围岩的大变形起到控制作用。 【EN】The invention belongs to the field of underground engineering soft rock roadway support, and particularly relates to a large-deformation control anchor cable for a coal mine deep roadway. The anchor cable comprises a first sleeve and a second sleeve which have the same pipe diameter; one end of the first sleeve is closed, the other end of the first sleeve is opened, and the first sleeve is butted with one end of the second sleeve 3 with two opened ends. The invention can weaken the tensile force on the anchor cable through the deformation of the rigid spring and play a certain resistance, and meanwhile, after the rigid spring fails, the added secondary support resistance head can provide resistance for the enlarged end of the rod body, thereby playing a role in controlling the large deformation of the surrounding rock.
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申请号:201911345137.X 公开号:CN111017835A 主分类号:B66F11/04
摘要:【中文】本发明公开了一种高空作业车工作平台送风系统,包括设在悬架系统顶部的作业平台,悬架系统设在作业车上,作业平台包括支撑平台和两个侧面围栏,侧面围栏的内侧固定有若干个横向均布的送风风扇,其中一个侧面围栏上设有温度传感器和控制器,设置在同一个侧面围栏上的电机分别通过一个总开关与控制器电性连接,温度传感器与控制器电性连接,其能够通过温度传感器实时将外部环境温度数据反馈给控制器,控制器根据相应的程序做出判断并自动开启或关闭送风风扇,保障了作业人员的作业环境温度维持在合理的范围内。 【EN】The invention discloses an air supply system for a working platform of an aerial work platform, which comprises a working platform arranged at the top of a suspension system, wherein the suspension system is arranged on a working vehicle, the working platform comprises a supporting platform and two side rails, a plurality of air supply fans which are transversely and uniformly distributed are fixed on the inner sides of the side rails, a temperature sensor and a controller are arranged on one side rail, motors arranged on the same side rail are respectively and electrically connected with the controller through a main switch, the temperature sensor is electrically connected with the controller, the temperature sensor can feed external environment temperature data back to the controller in real time through the temperature sensor, the controller makes judgment according to a corresponding program and automatically turns on or off the air supply fans, and the working environment temperature of an operator is ensured to be maintained in a reasonable range.
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申请号:201811154407.4 公开号:CN110966792A 主分类号:F25B13/00
申请人:【中文】华为技术有限公司【EN】HUAWEI TECHNOLOGIES Co.,Ltd. 申请日:2018.09.30 公开日:2020.04.07
摘要:【中文】本申请提供了一种车辆温度管理系统,第一方面,提供了一种车辆温度管理系统,包括:压缩机110、第一换热器130、减压装置140、热交换板150、四通阀160构成的冷媒循环系统;该温度关系系统还包括第二换热器180,用于在需要通过该热交换板150对该管理对象进行冷却时,对流向该输入口112的第一冷媒进行加热,并用于在需要通过该热交换板150对该管理对象进行加热时,对流向该热交换板150的第一冷媒进行冷却,从而,能够提高热交换板的温度分布的均匀性。 【EN】The present application provides a vehicle temperature management system, and in a first aspect, provides a vehicle temperature management system, including: a refrigerant circulation system composed of a compressor 110, a first heat exchanger 130, a pressure reducer 140, a heat exchange plate 150, and a four-way valve 160; the temperature relationship system further includes a second heat exchanger 180 for heating the first refrigerant flowing to the input port 112 when the management object needs to be cooled by the heat exchange plate 150, and for cooling the first refrigerant flowing to the heat exchange plate 150 when the management object needs to be heated by the heat exchange plate 150, so that uniformity of temperature distribution of the heat exchange plate can be improved.
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申请号:201911165713.2 公开号:CN111002289A 主分类号:B25J9/00
申请人:【中文】华中科技大学【EN】HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2019.11.25 公开日:2020.04.14
摘要:【中文】本发明公开了一种机器人在线示教方法、装置、终端设备及存储介质,属于机器人智能技术领域。本发明通过提取人类操作员的当前三维骨架中的目标特征点的当前位置坐标,再将所述当前位置坐标映射到机器人的坐标系中,获得当前位姿坐标,然后根据前一位姿坐标和所述当前位姿坐标确定当前移动轨迹,最后根据所述当前移动轨迹控制机器人的移动,以使机器人跟随所述人类操作员的移动相应的轨迹,实现在线示教,避免了任何动作都需要人类操作员拖动机器人完成示教,提高了示教的过程效率,经验迁移的过程直观,并且减少了人类操作员的劳动负担。 【EN】The invention discloses a robot online teaching method, a robot online teaching device, terminal equipment and a storage medium, and belongs to the technical field of robot intelligence. According to the invention, the current position coordinates of the target feature points in the current three-dimensional framework of the human operator are extracted, the current position coordinates are mapped into the coordinate system of the robot, the current pose coordinates are obtained, the current moving track is determined according to the previous pose coordinates and the current pose coordinates, and finally the movement of the robot is controlled according to the current moving track, so that the robot follows the corresponding track of the movement of the human operator, online teaching is realized, the condition that the human operator drags the robot to finish teaching any action is avoided, the teaching process efficiency is improved, the experience migration process is intuitive, and the labor burden of the human operator is reduced.
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申请号:202010030802.2 公开号:CN111207438A 主分类号:F24D13/02
摘要:【中文】本发明涉及一种电暖器及其控制方法,包括:开设有第一收容腔的壳体,所述壳体上还开设有连通于外界与所述第一收容腔内的散热口;发热体,设于所述第一收容腔内用于发热;盖板,与所述壳体连接且用于启闭所述散热口;感温包,设于所述第一收容腔内,用于感应所述第一收容腔内的温度;其中,当所述感温包检测到所述第一收容腔内的温度小于第一预设阈值时,所述盖板闭合所述散热口。上述电暖器及其控制方法,当不需要采暖时,当第一收容腔内的温度小于第一预设阈值时,盖板闭合散热口,如此可以便于电暖器的散热,电暖器内部温度不至过高,提高了电暖器的使用寿命。 【EN】The invention relates to an electric heater and a control method thereof, comprising the following steps: the shell is provided with a first accommodating cavity, and the shell is also provided with a heat dissipation port communicated with the outside and the first accommodating cavity; the heating body is arranged in the first accommodating cavity and used for heating; the cover plate is connected with the shell and is used for opening and closing the heat dissipation port; the temperature sensing bulb is arranged in the first accommodating cavity and used for sensing the temperature in the first accommodating cavity; when the temperature sensing bulb detects that the temperature in the first accommodating cavity is smaller than a first preset threshold value, the cover plate closes the heat dissipation opening. Above-mentioned electric heater and control method thereof, when not needing the heating, when the temperature of first accommodating the intracavity is less than first predetermined threshold value, the closed thermovent of apron, the heat dissipation of electric heater so can be convenient for, the inside temperature of electric heater is unlikely too high, has improved the life of electric heater.
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申请号:202010033866.8 公开号:CN111186348A 主分类号:B60N2/56
摘要:【中文】本发明涉及一种空调沙发,空调沙发包括沙发体,沙发体表面设有进风口和出风口,沙发体内部形成连通进风口和出风口的第一风道,在第一风道内设有第一换热器和第一风机,沙发第一换热器与一制冷设备耦合在一起。相较于传统空调,该设计方案能够实现局部降温的目的,有效提高空调制冷的效率,同时还达到了节能减排的目的,同已经提出的一些可以实现局部降温的设计相比,本发明的空调沙发具有可随人们的活动位置变换而更改局部降温区域的特点,机动性能较强,实现了以局部覆盖全部的效果。 【EN】The invention relates to an air-conditioning sofa, which comprises a sofa body, wherein the surface of the sofa body is provided with an air inlet and an air outlet, a first air channel communicated with the air inlet and the air outlet is formed in the sofa body, a first heat exchanger and a first fan are arranged in the first air channel, and the first heat exchanger of the sofa is coupled with a refrigerating device. Compared with the traditional air conditioner, the design scheme can realize the purpose of local cooling, effectively improve the refrigeration efficiency of the air conditioner, and simultaneously achieve the purposes of energy conservation and emission reduction.
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申请号:202010031375.X 公开号:CN111200309A 主分类号:H02J7/10
摘要:【中文】本发明公开了一种双向直流充电机电路,包括与交流侧连接的双向AC/DC变换电路和与直流侧连接的双向DC/DC变换电路,双向AC/DC变换电路与双向DC/DC变换电路通过母线相连;双向AC/DC变换电路包括全桥开关电路,双向DC/DC变换电路包括带高频变压器的双半桥LLC电路;正向工作时,全桥开关电路工作整流模式下,两个半桥交替工作在工频和高频模式,反向工作时,全桥开关电路工作在逆变模式。本发明的AC/DC电路的两个半桥工作在工频和高频交替状态,可以有效减少开关损耗,降低开关管的发热。 【EN】The invention discloses a bidirectional direct-current charger circuit, which comprises a bidirectional AC/DC conversion circuit connected with an alternating-current side and a bidirectional DC/DC conversion circuit connected with a direct-current side, wherein the bidirectional AC/DC conversion circuit is connected with the bidirectional DC/DC conversion circuit through a bus; the bidirectional AC/DC conversion circuit comprises a full-bridge switching circuit, and the bidirectional DC/DC conversion circuit comprises a double-half-bridge LLC circuit with a high-frequency transformer; during forward work, under the full-bridge switching circuit work rectification mode, two half-bridges work in power frequency and high frequency mode alternately, and during reverse work, the full-bridge switching circuit works in inversion mode. The two half bridges of the AC/DC circuit work in a power frequency and high frequency alternating state, so that the switching loss can be effectively reduced, and the heating of a switching tube is reduced.
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申请号:201911124255.8 公开号:CN111079535A 主分类号:G06K9/00
申请人:【中文】华中科技大学【EN】HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2019.11.18 公开日:2020.04.28
摘要:【中文】本发明公开了一种人体骨架动作识别方法及装置,该方法包括:获取人体骨架数据,其中,人体骨架数据包括多个关节点位置;处理人体骨架数据,并提取动作序列中的特征向量;基于特征向量和预先动作识别模型,确定动作序列的类型。本发明以髋关节中心为坐标原点建立正交坐标系,将人体骨架数据由原始坐标系转移到该坐标系下表达,从而保证提取得到的特征是相对于位向具有不变性的,即不会因相机拍摄的角度和相机与人之间的距离而导致提取到的特征存在差异,可以提高人体骨架动作识别的效率和精准度。 【EN】The invention discloses a human skeleton action recognition method and a human skeleton action recognition device, wherein the method comprises the following steps: acquiring human body skeleton data, wherein the human body skeleton data comprises a plurality of joint point positions; processing human skeleton data and extracting a characteristic vector in an action sequence; the type of the motion sequence is determined based on the feature vector and the pre-motion recognition model. The invention establishes an orthogonal coordinate system by taking the center of the hip joint as the origin of coordinates, and transfers the human skeleton data from the original coordinate system to the coordinate system for expression, thereby ensuring that the extracted features are invariable relative to the position, namely, the extracted features are not different due to the shooting angle of a camera and the distance between the camera and a person, and improving the efficiency and the accuracy of human skeleton action recognition.
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申请号:201911273752.4 公开号:CN111082535A 主分类号:H02J50/10
摘要:【中文】本发明提供一种无线电充电系统双DD耦合器及确定其结构参数的方法和系统。所述耦合器包括原边电能发射侧和副边电能拾取侧,两侧均为双层结构,由两个长宽相同的DD线圈正交叠放构成,而且,所述双层DD线圈结构上还可以再覆盖一层铁氧体屏蔽层来增强所述耦合器的耦合性能,而所述确定耦合器结构参数的方法和系统根据拟充电设备的输出功率等级,线圈设计成本,应用场景的尺寸限制条件、铁氧体条体积限制条件和成本确定线圈的结构参数,并根据线圈结构参数确定铁氧体屏蔽层中的铁氧体条的结构参数。本发明的双DD耦合器提高了无线充电系统的输出功率,减少了交叉耦合对于系统分析的难度,所述方法和系统缩短了耦合器结构参数分析和加工周期。 【EN】The invention provides a double DD coupler of a radio charging system and a method and a system for determining structural parameters of the double DD coupler. The coupler comprises a primary side electric energy transmitting side and a secondary side electric energy picking side, wherein both sides are of double-layer structures, two DD coils with the same length and width are orthogonally stacked to form the coupler, a ferrite shielding layer can be further covered on the double-layer DD coil structures to enhance the coupling performance of the coupler, and the method and the system for determining the structural parameters of the coupler determine the structural parameters of the coil according to the output power grade of the charge-intended equipment, the design cost of the coil, the size limit condition of an application scene, the volume limit condition of the ferrite strip and the cost, and determine the structural parameters of the ferrite strip in the ferrite shielding layer according to the structural parameters of the coil. The double DD coupler improves the output power of a wireless charging system, reduces the difficulty of cross coupling on system analysis, and shortens the structural parameter analysis and processing period of the coupler.
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申请号:201911124281.0 公开号:CN111055292A 主分类号:B25J11/00
申请人:【中文】华中科技大学【EN】HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2019.11.18 公开日:2020.04.24
摘要:【中文】本发明提供了一种人机交互安全保障方法,具体为:获取限位角度,对所述限位角度进行等分并排列组合,得到关节组合;通过运动学模型计算所述关节组合,得到位置点集合;将所述位置点集合进行聚类,计算所述聚类的距离阈值,所述距离阈值用于判断所述位置点是否在机器人工作空间内;判断人员位置点位于机器人工作空间内的点的数量是否大于预设数量阈值;若是,则停止机器作业。通过上述技术方案,形成了一种人机交互安全保障方法,能够在人员进入到机器人工作空间时,快速停止作业以保护人员的人身安全,保证了人机交互安全性前提下的机器高效率生产作业。此外,本发明的实施方式提供了一种人机交互安全保障方法、装置、设备以及存储介质。 【EN】The invention provides a human-computer interaction safety guarantee method, which specifically comprises the following steps: acquiring a limiting angle, equally dividing the limiting angle, arranging and combining the limiting angle to obtain a joint combination; calculating the joint combination through a kinematic model to obtain a position point set; clustering the position point set, and calculating a distance threshold value of the clustering, wherein the distance threshold value is used for judging whether the position point is in a robot working space; judging whether the number of the points of the personnel position points in the robot working space is larger than a preset number threshold value or not; if yes, the machine operation is stopped. Through the technical scheme, the human-computer interaction safety guarantee method is formed, when personnel enter the working space of the robot, the operation can be stopped quickly to protect the personal safety of the personnel, and the high-efficiency production operation of the robot on the premise of human-computer interaction safety is guaranteed. In addition, the embodiment of the invention provides a method, a device, equipment and a storage medium for guaranteeing the safety of human-computer interaction.
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