当前查询到58条专利与查询词 "Yan Siyuan"相关,搜索用时0.1718391秒!排序方式:
发明专利:37实用新型: 19外观设计: 2
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申请号:201911226206.5 公开号:CN110912434A 主分类号:H02M7/483
摘要:【中文】本发明公开了一种含部分储能元件的MMC拓扑及其稳态运行控制方法,所述MMC拓扑为:每个桥臂包括串联连接的多个子模块和一个桥臂电感;其中子模块包括HBSM、FBSM、FBSM‑BESS,即半桥子模块、普通全桥子模块及含储能元件的全桥子模块三种类型。每个桥臂中HBSM、FBSM和FBSM‑BESS的个数分别为N/2、N/4和N/4。不仅具备交直流侧功率转换能力、抑制功率振荡的能力及良好的频率支撑能力,同时对储能装置的容量要求不高,此外对换流器效率影响较小。 【EN】The invention discloses an MMC topology containing a part of energy storage elements and a steady-state operation control method thereof, wherein the MMC topology comprises the following steps: each bridge arm comprises a plurality of sub-modules and a bridge arm inductor which are connected in series; the sub-modules comprise HBSM, FBSM and FBSM-BESS, namely three types of half-bridge sub-modules, common full-bridge sub-modules and full-bridge sub-modules containing energy storage elements. The number of HBSM, FBSM and FBSM-BESS in each bridge arm is respectively N/2, N/4 and N/4. The converter not only has the power conversion capability of an alternating current side and a direct current side, the capability of inhibiting power oscillation and good frequency supporting capability, but also has low requirement on the capacity of an energy storage device, and has small influence on the efficiency of the converter.
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申请号:201911335284.9 公开号:CN111162135A 主分类号:H01L31/048
摘要:【中文】本发明公开了一种带框双玻产品玻璃制造工艺,S1、物料准备:准备电池片、焊带、超白钢化玻璃和EVA胶膜;S2、电池片焊接:将单片电池片的负极进行焊接,将单焊完成的电池片背面朝上后片焊带对齐搭在前片背电极上,然后依次排放在串焊模板上,然后利用焊带进行焊接,形成一个电池板;S3、层叠:自下而上依次放置超白钢化玻璃、EVA胶膜、电池板、EVA胶膜和超白钢化玻璃,同时将边框置于两组超白钢化玻璃的边缘处,形成双玻玻璃毛坯件;S4、密封:将双玻玻璃毛坯件内部的空气抽出,进行真空密封处理;S5、热压:将固定好双玻玻璃毛坯件放入层压机中进行热压。本发明操作简单、方便,提高产品合格率,制备产品抗击性好。 【EN】The invention discloses a glass manufacturing process of a double-glass product with a frame, which comprises the following steps of S1: preparing a battery piece, a welding strip, ultra-white toughened glass and an EVA (ethylene vinyl acetate) adhesive film; s2, welding the battery piece: welding the negative electrode of the single cell, aligning and lapping a rear welding strip with the back side of the single-welded cell upwards on the front back electrode, then sequentially arranging the welding strips on the series welding template, and then welding the welding strips to form a cell panel; s3, stacking: placing the ultra-white toughened glass, the EVA adhesive film, the cell panel, the EVA adhesive film and the ultra-white toughened glass from bottom to top in sequence, and simultaneously placing the frame at the edges of the two groups of the ultra-white toughened glass to form a double-glass blank; s4, sealing: pumping out air in the double-glass blank, and carrying out vacuum sealing treatment; s5, hot pressing: and putting the fixed double-glass blank into a laminating machine for hot pressing. The method is simple and convenient to operate, the product percent of pass is improved, and the prepared product has good impact resistance.
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申请号:201911333943.5 公开号:CN111074280A 主分类号:C23F3/00
摘要:【中文】本发明公开了一种新型碱抛光工艺,包括如下步骤:S1、碱抛光前预处理:将待碱抛工件进行清洗预处理,然后将清洗后的工件烘干备用;S2、抛光碱溶液配制:在碱抛槽内加入纯水、氢氧化钠、亚硝酸钠、氟化钠和磷酸钠,进行配制碱抛溶液;S3、碱抛光处理:将预处理后的工件放入到碱抛槽内,进行抛光处理。本发明通过通过采用碱抛光替代酸抛光,有效降低酸的使用量,碱抛较酸抛的废液处理简单、低成本以及环保,本发明工艺简单易控,成本低,采用配比合理的碱性化学抛光液进行抛光处理,反应过程无有害物质产生,安全环保,经过抛光后的工件表面光滑。 【EN】The invention discloses a novel alkali polishing process, which comprises the following steps: s1, pretreatment before alkali polishing: cleaning and pretreating a workpiece to be polished by alkali, and then drying the cleaned workpiece for later use; s2, preparing a polishing alkali solution: adding pure water, sodium hydroxide, sodium nitrite, sodium fluoride and sodium phosphate into an alkali polishing tank to prepare an alkali polishing solution; s3, alkali polishing treatment: and putting the pretreated workpiece into an alkali polishing groove for polishing. According to the invention, the use amount of acid is effectively reduced by adopting alkali polishing instead of acid polishing, the alkali polishing is simpler than the treatment of waste liquid of acid polishing, the cost is low, the environment is protected, the process is simple and easy to control, the cost is low, the alkaline chemical polishing solution with reasonable proportion is adopted for polishing treatment, no harmful substance is generated in the reaction process, the safety and the environment are protected, and the surface of the polished workpiece is smooth.
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申请号:201911335829.6 公开号:CN111112789A 主分类号:B23K9/00
摘要:【中文】本发明公开了一种光伏发电横联组件用电池片焊接工艺,包括如下步骤:步骤1:确定电池片的数量,检查电池片是否有缺角裂片等现象,确认电池片完整,然后取一片电池片正面朝上放置;步骤2:互联条预处理;步骤3:将一片电池片放置在加热板中间部位,取一组焊带铺在电池片的主栅线处;步骤4:对电池片进行单焊;步骤5:串焊前预处理;步骤6:对单焊后的电池片进行串焊工作。本发明通过单个电池片进行焊接,然后将焊接后的多组电池片进行串联焊接,焊接效果好,可以避免直接串联焊接出现的焊接偏移或者接触不稳定的现象,提高了焊接质量,通过将互联条放置在配比合理的助焊剂内进行浸泡,可以提高焊接时的润湿性。 【EN】The invention discloses a welding process of a cell for a photovoltaic power generation transverse assembly, which comprises the following steps: step 1: determining the number of the battery pieces, checking whether the battery pieces have phenomena such as corner missing and splitting, confirming that the battery pieces are complete, and then taking one battery piece to place with the right side facing upwards; step 2: preprocessing an interconnection bar; and step 3: placing a battery piece in the middle of the heating plate, and paving a group of welding strips at the main grid line of the battery piece; and 4, step 4: performing single welding on the battery piece; and 5: pretreatment before series welding; step 6: and carrying out series welding work on the single welded battery piece. According to the invention, the welding is carried out on the single battery piece, and then the welded multiple groups of battery pieces are welded in series, so that the welding effect is good, the welding deviation or unstable contact phenomenon caused by direct series welding can be avoided, the welding quality is improved, and the wettability during welding can be improved by placing the interconnection bar in the scaling powder with a reasonable proportion for soaking.
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申请号:201911415062.8 公开号:CN111081267A 主分类号:G10L21/0216
摘要:【中文】本发明公开了一种多通道远场语音增强方法,包括:对多通道远场语音时域信号处理得到多通道远场语音频域信号,再通过加权预测误差算法处理得到抑制晚期混响后的多通道远场语音频域信号并估计出干扰;使用干扰协方差矩阵和抑制晚期混响后的多通道远场语音频域信号,通过协方差白化的方法计算相对早期传输函数作为导向矢量;利用干扰协方差矩阵和导向矢量对抑制晚期混响后的多通道远场语音频域信号依次进行最小方差无失真响应波束形成处理和单通道维纳滤波处理得到单通道语音频域信号,在其为单通道目标语音频域信号时进行逆傅里叶变换,得到目标语音时域信号。本方法可以同时有效抑制远场语音中的噪声和混响的干扰并保持目标声源的完整。 【EN】The invention discloses a multi-channel far-field speech enhancement method, which comprises the following steps: processing the multi-channel far-field speech time domain signal to obtain a multi-channel far-field speech frequency domain signal, processing the multi-channel far-field speech frequency domain signal by a weighted prediction error algorithm to obtain a multi-channel far-field speech frequency domain signal after inhibiting late reverberation, and estimating interference; using an interference covariance matrix and a multi-channel far-field speech frequency domain signal after inhibiting late reverberation, and calculating a relatively early transmission function as a guide vector by a covariance whitening method; and sequentially carrying out minimum variance distortion-free response beam forming processing and single-channel wiener filtering processing on the multi-channel far-field voice frequency domain signal subjected to late reverberation suppression by using an interference covariance matrix and a guide vector to obtain a single-channel voice frequency domain signal, and carrying out inverse Fourier transform when the single-channel far-field voice frequency domain signal is a single-channel target voice frequency domain signal to obtain a target voice time domain signal. The method can effectively inhibit the interference of noise and reverberation in far-field voice and keep the integrity of a target sound source.
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申请号:201911148333.8 公开号:CN110912115A 主分类号:H02J1/14
申请人:【中文】华中科技大学【EN】HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2019.11.21 公开日:2020.03.24
摘要:【中文】本发明公开了用于混合储能电路平抑功率波动的预测控制方法及系统,属于电气工程技术领域,包括:根据超级电容器和直流母线端电压预测方程,获取下一时刻电感电流的参考值作为内层控制的跟踪目标,考虑电感电流的动态特性方程,获取电感电流的预测方程,通过分别不断调节两级变换器占空比,迭代计算两级电感电流预测值,找出与外层控制传递的下一时刻电感电流的参考值最接近的值,获取控制两级变换器的PWM信号,采用本发明提供的预测控制方法控制的直流微电网具有良好的动态响应性能。 【EN】The invention discloses a predictive control method and a predictive control system for stabilizing power fluctuation of a hybrid energy storage circuit, which belong to the technical field of electrical engineering and comprise the following steps: according to a prediction equation of the voltages of the super capacitor and the direct-current bus terminal, a reference value of the inductive current at the next moment is obtained to be used as a tracking target of the inner-layer control, a dynamic characteristic equation of the inductive current is considered, the prediction equation of the inductive current is obtained, the predicted value of the inductive current at the two stages is calculated in an iterative mode by respectively and constantly adjusting the duty ratios of the two stages of converters, the value which is closest to the reference value of the inductive current at the next moment transmitted by the outer-layer control is found, and a PWM signal for controlling the two stages of converters is obtained.
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申请号:202010074506.2 公开号:CN111173928A 主分类号:F16H63/34
摘要:【中文】本发明实施例提供了一种驻车拉杆组件、驻车执行机构和驻车锁止总成,涉及驻车技术领域。该驻车拉杆组件包括保持架和滚柱,滚柱包括固定连接的转动本体和第一连接部,第一连接部设置于转动本体的至少一端,第一连接部的直径尺寸小于转动本体的直径尺寸,保持架设置有与第一连接部相配合的第二连接部,滚柱可转动的设置于保持架。驻车执行机构包括转臂组件、限位导向架及驻车拉杆组件。驻车拉杆组件通过连接杆与转臂组件可转动的连接,转臂组件带动驻车拉杆组件沿限位导向架运动。通过对滚柱和保持架的结构和配合关系进行优化,改善了现有保持架强度不足的问题,提升保持架的整体强度,延长驻车拉杆组件的使用寿命,提高车辆的驻车可靠性。 【EN】The embodiment of the invention provides a parking pull rod assembly, a parking executing mechanism and a parking locking assembly, and relates to the technical field of parking. The parking pull rod assembly comprises a retainer and a roller, wherein the roller comprises a rotating body and a first connecting portion which are fixedly connected, the first connecting portion is arranged at least one end of the rotating body, the diameter size of the first connecting portion is smaller than that of the rotating body, the retainer is provided with a second connecting portion matched with the first connecting portion, and the roller is rotatably arranged on the retainer. The parking actuating mechanism comprises a rotating arm assembly, a limiting guide frame and a parking pull rod assembly. The parking pull rod assembly is rotatably connected with the rotating arm assembly through a connecting rod, and the rotating arm assembly drives the parking pull rod assembly to move along the limiting guide frame. Through optimizing the structure and the cooperation relation of roller and holder, improved the not enough problem of current holder intensity, promoted the bulk strength of holder, the life of extension parking pull rod subassembly improves the parking reliability of vehicle.
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申请号:201911354980.4 公开号:CN111130455A 主分类号:H02S40/42
摘要:【中文】本发明公开了一种二次聚光太阳能光伏装置,包括防护壳、菲涅尔透镜、聚光太阳能电池、散热片、导热胶和基板,所述菲涅尔透镜设置于防护壳内腔顶部一侧,所述聚光太阳能电池设置于防护壳内腔底部一侧,所述聚光太阳能电池底部表面安装有散热片,所述散热片底部表面通过导热胶粘接在基板顶部表面,本发明通过时控开关,可控制直线滑台运行,从而能够使得清扫机构对菲涅尔透镜自动定时往复清理,同时水泵,可将冷水输送至盘管中,从而能够降低了防护壳内部热量,并且多组散热翅片又能提高散热效果。 【EN】The invention discloses a secondary concentrating solar photovoltaic device which comprises a protective shell, a Fresnel lens, a concentrating solar cell, a radiating fin, a heat conducting glue and a base plate, wherein the Fresnel lens is arranged on one side of the top of an inner cavity of the protective shell, the concentrating solar cell is arranged on one side of the bottom of the inner cavity of the protective shell, the radiating fin is arranged on the bottom surface of the concentrating solar cell, and the bottom surface of the radiating fin is bonded on the top surface of the base plate through the heat conducting glue.
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申请号:201911354663.2 公开号:CN111141662A 主分类号:G01N17/00
摘要:【中文】本发明公开了一种光伏组件用带框单玻结构的测试装置及其方法,包括测试模块、检测模块、数据获取模块、处理模块、数据库、对比模块、更新模块和报警模块;所述测试模块用于,对带框单玻光伏组件进行热斑耐久试验和力学性能测试;所述检测模块用于,对带框单玻光伏组件进行破损检测、热斑检测和隐裂检测;所述数据获取模块用于,通过测试模块和检测模块获取带框单玻光伏组件的数据;所述处理模块用于,对数据获取模块获取的数据进行降噪等处理,本发明通过设置测试模块和检测模块,先利用测试模块对带框单玻光伏组件进行多项性能测试,并对经过测试的带框单玻光伏组件进行多项检测,及时发现在测试过程中对带框单玻光伏组件的伤害,进行维修。 【EN】The invention discloses a testing device and a method of a framed single-glass structure for a photovoltaic assembly, wherein the testing device comprises a testing module, a detection module, a data acquisition module, a processing module, a database, a comparison module, an updating module and an alarm module; the testing module is used for carrying out hot spot durability test and mechanical property test on the framed single-glass photovoltaic module; the detection module is used for carrying out damage detection, hot spot detection and subfissure detection on the framed single-glass photovoltaic module; the data acquisition module is used for acquiring data of the framed single-glass photovoltaic assembly through the test module and the detection module; the processing module is used for carrying out noise reduction and other processing on the data acquired by the data acquisition module, and the test module and the detection module are arranged, so that the test module is firstly utilized to carry out multiple performance tests on the framed single-glass photovoltaic assembly, and the tested framed single-glass photovoltaic assembly is subjected to multiple detections, thereby timely finding out the damage to the framed single-glass photovoltaic assembly in the test process and carrying out maintenance.
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申请号:202010021652.9 公开号:CN111098684A 主分类号:B60J11/02
申请人:【中文】南京工业大学【EN】NANJING TECH University 申请日:2020.01.09 公开日:2020.05.05
摘要:【中文】本发明公开的属于汽车遮阳设备技术领域,具体为一种家用汽车磁吸卷轴式遮阳装置,包括遮阳布外壳、卷轴支架、遮阳布、挡杆和拉出绳,所述卷轴支架的顶部中间设有卷轴,所述卷轴的外部设有遮阳布外壳,所述遮阳布外壳的前端设有出布口,所述遮阳布外壳的内部与卷轴之间设有遮阳布,所述遮阳布的前端设有挡杆,所述遮阳布的前端边缘处吸附分布有磁铁片,所述挡杆的中间前端设有拉出绳,所述卷轴支架的侧部连接有弹力绳,所述弹力绳的端部设有锁扣,所述卷轴支架的底部分布有磁铁,收纳与使用都方便,卷轴支架通过磁铁紧固吸附于汽车引擎盖上,同时增加了防盗功能,遮阳布边缘内置磁铁片,可稳稳吸附在车体金属部件上,抗风又遮阳。 【EN】The invention discloses a magnetic reel type sun-shading device for a household automobile, which belongs to the technical field of automobile sun-shading equipment and comprises a sun-shading cloth shell, a reel bracket, sun-shading cloth, a stop lever and a pull-out rope, wherein the reel is arranged in the middle of the top of the reel bracket, the sun-shading cloth shell is arranged outside the reel, a cloth outlet is arranged at the front end of the sun-shading cloth shell, the sun-shading cloth is arranged between the interior of the sun-shading cloth shell and the reel, the stop lever is arranged at the front end of the sun-shading cloth, a magnet sheet is adsorbed and distributed at the edge of the front end of the sun-shading cloth, the pull-out rope is arranged at the middle front end of the stop lever, the side part of the reel bracket is connected with an elastic rope, a lock catch is arranged at the end part of the elastic rope, magnets are distributed at the bottom of the reel bracket, the reel, the edge of the sunshade cloth is internally provided with the magnet piece which can be stably adsorbed on the metal part of the vehicle body, and the sunshade cloth can resist wind and shade sun.
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