摘要：【中文】本发明公开了一种光伏逆变器及电容放电电路，在电容的放电回路上设置了控制开关，在控制开关导通时电容通过放电回路放电，通过切换开关控制控制开关的导通或关闭，而切换开关则由第一电源和第二电源进行控制，在系统有电时，第一电源给电压储能件充电，电压储能件上保持有电荷，若系统掉电，第一电源和第二电源断电，切换开关控制第一电容上电荷给控制开关供电，控制开关导通，使得电容进行放电，实现了在系统掉电的情况下，电容能够自动进行放电。 【EN】The invention discloses a photovoltaic inverter and a capacitor discharging circuit, wherein a control switch is arranged on a discharging loop of a capacitor, the capacitor is discharged through the discharging loop when the control switch is switched on, the switching on or off of the control switch is controlled through a change-over switch, the change-over switch is controlled by a first power supply and a second power supply, when a system is powered on, the first power supply charges a voltage energy storage part, charges are kept on the voltage energy storage part, if the system is powered off, the first power supply and the second power supply are powered off, the change-over switch controls the charges on the first capacitor to supply power to the control switch, and the control switch is switched on, so that the capacitor is discharged, and the capacitor can be automatically discharged under the condition that the system is powered off.

摘要：【中文】本发明涉及电路设计技术领域，具体涉及一种逆变电路和逆变器，其包括电流输入端，用于输入直流电流，还包括至少两个电容电路、八个开关管支路、三个输出支路和至少两个电感电路。其中，第一输出支路和第二输出支路的输出端用于输出第一电压，第二输出支路和第三输出支路的输出端用于输出第二电压，第一输出支路和第三输出支路的输出端用于输出第三电压；通过控制各开关管支路的通断改变输出的第一电压、第二电压和第三电压的大小，其中，第三电压的大小等于第一电压和第二电压，这样逆变器的输出端可以输出至少两路不同的交流电，以满足不同的负载需求。 【EN】The invention relates to the technical field of circuit design, in particular to an inverter circuit and an inverter. The output ends of the first output branch and the second output branch are used for outputting a first voltage, the output ends of the second output branch and the third output branch are used for outputting a second voltage, and the output ends of the first output branch and the third output branch are used for outputting a third voltage; the output voltage of the inverter is changed by controlling the on-off of each switching tube branch, the output voltage of the inverter is changed to be equal to the output voltage of the switching tube branch, the output voltage of the inverter is equal to the output voltage of the switching tube branch, and the output voltage of the inverter is equal to the output voltage of the switching tube branch.

摘要：【中文】本发明公开了一种露天矿山无人化运输系统的矿用卡车卸载方法及系统，通过机群调度中心给矿用卡车下发地图，卡车根据地图信息行驶到卸载点进行卸载。当挡土墙发生变化，或者遇到没有登记过的临时障碍物时，矿用卡车到达卸载区域，利用雷达进行环境感知，当检测到后轮胎中心后方一定距离有障碍物，判断该障碍物是否为挡土墙，如果是挡土墙，给矿用卡车发送指令进行卸载；如果不是挡土墙，重新规划新的行驶路径并发给矿用卡车。当卡车到达卸载区域后退至目标卸载点时，卡车后退速度突然变为零，且在一定时间内速度保持为零，则说明卡车后轮胎触碰到挡土墙。通过定位、感知、控制为矿用卡车能够安全的到达目标卸载点提供三重保险。 【EN】The invention discloses a method and a system for unloading a mining truck of an unmanned transportation system of a surface mine. When the retaining wall changes or a temporary barrier which is not registered is met, the mining truck arrives at an unloading area, environment sensing is carried out by using a radar, when the barrier is detected to be in a certain distance behind the center of the rear tire, whether the barrier is the retaining wall or not is judged, and if the barrier is the retaining wall, an instruction is sent to the mining truck for unloading; if not, replanning a new driving path and sending to the mining truck. When the truck arrives at the unloading area and backs to the target unloading point, the backing speed of the truck suddenly becomes zero, and the speed is kept to be zero in a certain time, so that the fact that the rear tire of the truck touches the retaining wall is indicated. The mining truck can safely reach the target unloading point by positioning, sensing and controlling.

摘要：【中文】本发明公开了一种基于计算流体力学的铀尾矿库溃坝三维数值模拟方法，属于铀尾矿库安全领域。包括以下步骤：收集铀尾矿库基本资料，利用三维建模软件建立铀尾矿库库区、坝体及下游一定范围内河道的三维模型；分区域划分三维模型的网格，确定铀尾矿库顶部及下游河道的边界条件；选择数值模拟求解方法；将数值模拟的结果与模型试验结果进行对比，验证、率定、优化数值模型；拟定计算方案，采用经优化后的三维数值模型计算不同溃坝型式溃坝影响后果；分析计算结果可靠性和合理性，给出计算区域流场、泥石流深、流量、流速变化过程的相关数据。将三维数值模拟应用到铀尾矿库溃坝研究，方法费用低廉、周期短、模拟精度高，可直观查看铀尾矿库溃坝影响。 【EN】The invention discloses a dam break three-dimensional numerical simulation method for a uranium tailing pond based on computational fluid mechanics, and belongs to the field of uranium tailing pond safety. The method comprises the following steps: collecting basic data of a uranium tailing pond, and establishing a three-dimensional model of a uranium tailing pond area, a dam body and a river channel in a certain downstream range by using three-dimensional modeling software; dividing grids of the three-dimensional model in regions, and determining boundary conditions of the top of the uranium tailing pond and a downstream river channel; selecting a numerical simulation solving method; comparing the result of the numerical simulation with the test result of the model, verifying, calibrating and optimizing the numerical model; a calculation scheme is drawn up, and the optimized three-dimensional numerical model is adopted to calculate the dam break influence consequences of different dam break types; and analyzing the reliability and the rationality of the calculation result, and providing relevant data of the flow field, the debris flow depth, the flow and the flow speed change process of the calculation area. The three-dimensional numerical simulation is applied to dam break research of the uranium tailing reservoir, the method is low in cost, short in period and high in simulation precision, and dam break influence of the uranium tailing reservoir can be visually checked.

摘要：【中文】本发明公开了一种真空预压排水固结铀尾矿泥的数值模拟方法，属于铀尾矿库安全技术领域，包括以下步骤：根据工程勘察报告建立设定场地的三维工程地质模型；对建立的三维工程地质模型进行有限元网格剖分，形成包含单元、节点、应力积分点的有限元计算模型；对有限元计算模型执行真空预压操作；获取有限元计算模型的各项参数变化数据，并推导得出排水固结效果。本发明基于三维数值模拟方法确定铀尾矿库排水固结施工参数，模拟周期短，可降低施工费用，无需现场实地施工，危险系数低。 【EN】The invention discloses a numerical simulation method for solidifying uranium tailing slurry through vacuum preloading drainage, belonging to the technical field of uranium tailing warehouse safety and comprising the following steps of: establishing a three-dimensional engineering geological model of a set site according to an engineering investigation report; carrying out finite element mesh subdivision on the established three-dimensional engineering geological model to form a finite element calculation model comprising units, nodes and stress integral points; performing vacuum preloading operation on the finite element calculation model; and acquiring various parameter change data of the finite element calculation model, and deducing to obtain the drainage consolidation effect. The method determines the construction parameters of the uranium tailing pond drainage consolidation based on the three-dimensional numerical simulation method, has short simulation period, can reduce the construction cost, does not need field construction, and has low danger coefficient.

摘要：【中文】本发明提供一种纸箱烟包塑料袋自动封袋折叠装置及方法，涉及烟箱包装技术领域，装置包括输送台和机架，输送台上设置有传动辊筒，机架上设置有升降部、提袋部、压袋部以及折袋部，升降部包括下升降气缸以及导向杆，提袋部包括压板、提袋电机以及绕提袋电机的电机轴转动的提袋勾，压袋部包括竖直设置的压袋气缸以及与压袋气缸连接的压袋板，折袋部包括水平设置的折袋气缸以及与折袋气缸连接的伸出杆。本发明一种纸箱烟包塑料袋自动封袋折叠装置及方法结构简便，满足塑料袋的封袋折叠的要求，实现无人化操作，减少用工，降低生产成本，达到自动化、智能化、标准化的需求。 【EN】The invention provides an automatic bag sealing and folding device and method for plastic bags of cartons and cigarette packets, and relates to the technical field of cigarette box packaging. The automatic bag sealing and folding device and method for the carton cigarette packet plastic bag are simple and convenient in structure, meet the bag sealing and folding requirements of the plastic bag, achieve unmanned operation, reduce labor force, reduce production cost and meet the requirements of automation, intellectualization and standardization.

摘要：【中文】本发明提供了一种基于深度强化学习的无人矿卡循迹控制系统及方法，在学习阶段下，通过仿真平台接收环境状态信息、控制动作信息模拟无人矿卡的循迹过程，采集无人矿卡在预设路线上各个时刻的状态，将各个时刻的状态作为输入量，各个时刻控制动作信息作为输出量进行深度强化学习训练，得到算法内核；在应用阶段下，获取无人矿卡当前时刻的状态和下一时刻的目标状态至算法内核；基于算法内核预测出当前时刻的控制动作信息。本发明能够实现无人矿卡运动轨迹的精确控制，可在不同工况、不同工作环境和状态下按照深度强化学习训练出来的算法进行自动循迹，具有高度智能化、自我学习、自我适应的特性；提高了矿卡循迹控制的效率，且可以减少燃油消耗量。 【EN】The invention provides an unmanned mine card tracking control system and method based on deep reinforcement learning, wherein in a learning stage, a simulation platform is used for receiving environment state information and control action information to simulate the tracking process of an unmanned mine card, the states of the unmanned mine card at all times on a preset route are collected, the states at all times are used as input quantities, and the control action information at all times is used as output quantities to carry out deep reinforcement learning training to obtain an algorithm kernel; in the application stage, acquiring the current state of the unmanned mine card and the target state of the unmanned mine card at the next moment to an algorithm kernel; and predicting the control action information at the current moment based on the algorithm kernel. The invention can realize the accurate control of the motion trail of the unmanned mine card, can carry out automatic tracking according to the algorithm trained by deep reinforcement learning under different working conditions, different working environments and states, and has the characteristics of high intellectualization, self-learning and self-adaptation; the efficiency of ore deposit card tracking control is improved, and fuel consumption can be reduced.

摘要：【中文】本发明提供了一株低产双乙酰和高级醇的葡萄汁酵母菌株及其应用，该葡萄汁酵母菌株在部分敲除编码α‑乙酰乳酸合成酶的ILV2基因后，可以同时降低双乙酰和高级醇含量，联合二羟异戊酸脱水酶和羟酸还原异构酶过表达后，在发酵中对降低葡萄酒中的双乙酰含量有协同作用。利用该菌株发酵，提高了葡萄酒的风味质量，可酿造出风味优良且更有利于健康的葡萄酒。 【EN】The invention provides a grape-vine strain with low diacetyl and higher alcohol yield and application thereof, the grape-vine strain can simultaneously reduce the diacetyl and higher alcohol content after partial deletion of an ILV2 gene for coding α -acetolactate synthetase, and has a synergistic effect on reducing the diacetyl content in wine in fermentation after being combined with over-expression of dihydroxyisovalerate dehydratase and hydroxy acid reductoisomerase.

摘要：【中文】本发明提供了一株过表达二羟异戊酸脱水酶的葡萄汁酵母菌株及其应用，该葡萄汁酵母菌株可以降低双乙酰的含量，联合过表达羟酸还原异构酶，或者部分敲除α‑乙酰乳酸合成酶编码基因ILV2后，可以进一步降低双乙酰的含量，并且降低高级醇的含量。利用该菌株发酵提高了葡萄酒的风味质量，可酿造出风味优良且更有利于健康的葡萄酒。 【EN】The invention provides a grape-vine strain of over-expression dihydroisovalerate dehydratase and application thereof, the grape-vine strain can reduce the content of diacetyl, and can further reduce the content of diacetyl and the content of higher alcohol after the over-expression of hydroxy acid reductoisomerase is combined or α -acetolactate synthetase coding gene ILV2 is partially knocked out.

摘要：【中文】本发明提供了一株低产高级醇和强降解苹果酸的葡萄汁酵母菌株，该葡萄汁酵母菌株在其它发酵性能不受影响的情况下，葡萄酒发酵5天后，异丁醇、异戊醇和苯乙醇含量分别为28.18mg/L、171.76mg/L和13.60，与出发菌株相比分别降低了20.28％、14.77％和11.26％，主要高级醇(正丙醇、异丁醇、异戊醇和苯乙醇)总含量降低了12.97％，且发酵后苹果酸含量降为1.13g/L，大大缩短了发酵周期，克服了普通发酵过程中乳酸菌发酵的影响，和高级醇含量较高导致的风味不协调，对降低酿酒工业消耗，提高我国葡萄酒工业的生产技术水平具有重要意义。 【EN】The invention provides a grape-vine strain with low yield of higher alcohols and strong degradation of malic acid, under the condition that other fermentation performances are not influenced, the contents of isobutanol, isoamylol and phenethyl alcohol are 28.18mg/L, 171.76mg/L and 13.60 respectively after the grape wine is fermented for 5 days, the contents are respectively reduced by 20.28%, 14.77% and 11.26% compared with the original strain, the total content of main higher alcohols (n-propanol, isobutanol, isoamylol and phenethyl alcohol) is reduced by 12.97%, and the content of malic acid after fermentation is reduced to 1.13g/L, so that the fermentation period is greatly shortened, the influence of lactobacillus fermentation in the common fermentation process is overcome, the flavor is not harmonious due to higher content of the higher alcohols, and the grape-vine strain has important significance for reducing the consumption of the wine industry and improving the production technology level of the grape wine industry in China.