摘要：【中文】本发明涉及驱动电源领域，特别地涉及一种带PFC电路的驱动电源及提升其应急模式下驱动效率的方法。本发明公开了一种带PFC电路的驱动电源，包括PFC电路、驱动输出电路、检测电路、控制电路和第一开关电路，所述检测电路用于检测该驱动电源的输入电压信号，所述第一开关电路用于控制PFC电路的工作与否，所述控制电路用于根据检测电路检测到的输入电压信号相应地控制第一开关电路的工作状态以及输出相应的控制信号给驱动输出电路进行调节输出电流大小。本发明还公开了一种提升驱动电源在应急模式下的驱动效率的方法。本发明有效地提高了驱动效率，实现节能的目的。 【EN】The invention relates to the field of driving power supplies, in particular to a driving power supply with a PFC circuit and a method for improving driving efficiency of the driving power supply in an emergency mode. The invention discloses a driving power supply with a PFC circuit, which comprises the PFC circuit, a driving output circuit, a detection circuit, a control circuit and a first switch circuit, wherein the detection circuit is used for detecting an input voltage signal of the driving power supply, the first switch circuit is used for controlling whether the PFC circuit works or not, and the control circuit is used for correspondingly controlling the working state of the first switch circuit and outputting a corresponding control signal to the driving output circuit to adjust the output current according to the input voltage signal detected by the detection circuit. The invention also discloses a method for improving the driving efficiency of the driving power supply in the emergency mode. The invention effectively improves the driving efficiency and realizes the purpose of energy saving.

摘要：【中文】一种结构组件，一种电子装置以及一种指纹模组的组装方法，上述结构组件包括屏幕(10)和指纹模组(20)，屏幕(10)内表面为遮光层(12)，遮光层(12)包括位于所述屏幕(10)的显示区的透光区(13)，指纹模组(20)通过框贴胶(30)贴设于透光区(13)。指纹模组(20)包括面对屏幕(10)的第一表面(21)、背离屏幕的第二表面(22)及连接在二者之间的侧面(23)。框贴胶(30)包括相连接的第一连接区(31)和第二连接区(32)，第二连接区(32)位于第一连接区(31)的外围，第一连接区(31)和第二连接区(32)与第一表面(21)粘接，第二连接区(32)通过第一封边胶(40)固定至侧面(23)。采用上述结构组件，能够增大了电子装置的显示面积，提高屏占比。 【EN】The utility model provides a structure subassembly, an electron device and an assembly method of fingerprint module, above-mentioned structure subassembly includes screen (10) and fingerprint module (20), and screen (10) internal surface is light shield layer (12), and light shield layer (12) are including being located printing opacity district (13) of the display area of screen (10), and fingerprint module (20) are pasted in printing opacity district (13) through frame rubberizing (30). The fingerprint module (20) comprises a first surface (21) facing the screen (10), a second surface (22) facing away from the screen and a side surface (23) connected between the first surface and the second surface. The frame adhesive (30) comprises a first connecting area (31) and a second connecting area (32) which are connected, the second connecting area (32) is located on the periphery of the first connecting area (31), the first connecting area (31) and the second connecting area (32) are bonded with the first surface (21), and the second connecting area (32) is fixed to the side surface (23) through first edge sealing adhesive (40). By adopting the structural component, the display area of the electronic device can be increased, and the screen occupation ratio is improved.

摘要：【中文】本发明公开了一种鱼肉中土腥味物质的测定方法，该测定方法是以顺式‑十氢‑1‑萘酚溶液为内标制备的鱼肉为样品，采用顶空固相微萃取法提取样品中的土臭味素和2‑甲基异莰醇，再通过气相色谱质谱联用法进行的测定过程。采用顶空固相微萃取法提取鱼肉中的土腥味物质，以顺式‑十氢‑1‑萘酚为内标，气相色谱质谱联用法进行定性和定量测定，旨在建立鱼肉中土臭味素和2‑甲基异莰醇的检测方法，为养殖水产品异味物质脱除提供检测方法依据。 【EN】The invention discloses a method for measuring earthy substances in fish, which takes the fish prepared by taking cis-decahydro-1-naphthol solution as an internal standard as a sample, adopts a headspace solid phase microextraction method to extract earthy odorsubstance and 2-methylisoborneol in the sample, and then adopts a gas chromatography-mass spectrometry combined measuring process. A headspace solid phase microextraction method is adopted to extract earthy flavor substances in fish, cis-decahydro-1-naphthol is taken as an internal standard, and a gas chromatography-mass spectrometry combined method is used for qualitative and quantitative determination, so that the method aims to establish a method for detecting the earthy flavor substances and 2-methylisoborneol in the fish and provide a detection method basis for removing the odorous substances in the cultured aquatic products.

摘要：【中文】本发明公开了一种动力换向控制系统，包括TCU部分，TCU部分连接有输入部分、输出部分、ECU部分和仪表部分，输入部分包括PTO转速传感器、温度传感器、系统压力传感器、前进压力传感器、后退压力传感器、PTO压力传感器、离合器转速传感器、离合器踏板、舒适按钮开关，输出部分包括前进比例电磁阀、PTO电磁阀、后退电磁阀，前进比例电磁阀负责前进时打开，PTO电磁阀负责使用PTO时打开，电磁阀负责后退时打开，ECU部分和仪表部分分别使用CAN协议、J139协议与TCU部分进行通信。具有以下优点：不需要改变拖拉机的整体结构就可以很好的田间掉头换向，装载农机具有很好的蠕动状态，长时间工作进行温度补偿来保证换向的平稳性。 【EN】The invention discloses a power reversing control system, which comprises a TCU part, wherein the TCU part is connected with an input part, an output part, an ECU part and a meter part, the input part comprises a PTO rotating speed sensor, a temperature sensor, a system pressure sensor, a forward pressure sensor, a backward pressure sensor, a PTO pressure sensor, a clutch rotating speed sensor, a clutch pedal and a comfortable button switch, the output part comprises a forward proportional solenoid valve, a PTO solenoid valve and a backward solenoid valve, the forward proportional solenoid valve is opened when in charge of forward movement, the PTO solenoid valve is opened when in charge of PTO use, the solenoid valve is opened when in charge of backward movement, and the ECU part and the meter part are respectively communicated with the TCU part by using CAN protocol and J139 protocol. Has the following advantages: the tractor can well turn around and change direction in the field without changing the overall structure of the tractor, the loading agricultural machine has a good creeping state, and the stability of the direction change can be ensured by carrying out temperature compensation after long-time work.

摘要：【中文】本发明公开了一种成像方法，包含：步骤S1、获取雷达探测目标的涡旋电磁波回波信号；步骤S2、对所述涡旋电磁波回波信号进行预处理；步骤S3、根据经所述预处理的涡旋电磁波回波信号，获取所述雷达探测目标的位置信息；步骤S4、根据经所述预处理的涡旋电磁波回波信号，获取所述雷达探测目标的若干个散射点的方位角信息；步骤S5、根据所述位置信息和所述若干个散射点的方位角信息，获得与每一所述散射点相对应的散射点俯仰角信息；步骤S6、将所有所述散射点俯仰角信息映射至三维坐标中，以重构出所述雷达探测目标的立体图像。本发明提出了一种适应不同距离探测的涡旋电磁波三维成像方法。 【EN】The invention discloses an imaging method, which comprises the following steps: step S1, acquiring vortex electromagnetic wave echo signals of the radar detection target; step S2, preprocessing the vortex electromagnetic wave echo signal; step S3, acquiring the position information of the radar detection target according to the preprocessed vortex electromagnetic wave echo signal; step S4, acquiring azimuth angle information of a plurality of scattering points of the radar detection target according to the preprocessed vortex electromagnetic wave echo signals; step S5, obtaining the pitch angle information of the scattering points corresponding to each scattering point according to the position information and the azimuth angle information of the scattering points; and step S6, mapping all the scattering point pitch angle information to a three-dimensional coordinate so as to reconstruct a stereo image of the radar detection target. The invention provides a vortex electromagnetic wave three-dimensional imaging method suitable for detection at different distances.

摘要：【中文】本发明公开了一种基于多块DDS同步的去斜处理方法，包括以下步骤：步骤1：为所有DDS提供完全一致的参考时钟；步骤2：通过一块FPGA向所有DDS提供完全一致的IO_UPDATE信号；步骤3：通过FPGA对DDS进行同步配置；判断所有DDS的同步时钟信号是否完全对齐；若未对齐，重新配置；步骤4：同步完成后，根据实际需求将一路或多路DDS信号传输至发射前端进行发射，一路DDS信号作为参考信号传输至接收端；步骤5：通过对发射信号与参考信号进行时延精控，完成去斜处理。此发明解决了传统的雷达高度计去斜处理中器件同步性差导致时延偏差的问题，通过多块DDS芯片结合FPGA精准控制输出信号间时延，降低了差频频点与信号带宽，减小了系统硬件压力，实现了测距结果更精准的效果。 【EN】The invention discloses a deskewing method based on synchronization of a plurality of DDSs, which comprises the following steps: step 1: providing a completely consistent reference clock for all DDSs; step 2: providing completely consistent IO _ UPDATE signals to all DDSs through one FPGA; and step 3: carrying out synchronous configuration on the DDS through the FPGA; judging whether the synchronous clock signals of all DDSs are completely aligned; if not, reconfiguring; and 4, step 4: after synchronization is completed, one or more DDS signals are transmitted to a transmitting front end for transmitting according to actual requirements, and one DDS signal is transmitted to a receiving end as a reference signal; and 5: and performing time delay fine control on the transmitting signal and the reference signal to finish the deskewing processing. The method solves the problem of time delay deviation caused by poor device synchronism in the traditional radar altimeter deskewing process, precisely controls time delay between output signals by combining a plurality of DDS chips with the FPGA, reduces difference frequency points and signal bandwidth, reduces system hardware pressure, and achieves the effect of more precise ranging results.

摘要：【中文】本发明公开一种超临界二氧化碳流体萃取桂花油的提取工艺及其在润唇膏和护手霜中的应用。提取工艺为：将鲜桂花于冷冻干燥机中冷冻干燥得干桂花，并收集桂花细胞液放入冰箱储存；将干桂花粉碎后过筛，得到颗粒均匀的干桂花，使用干燥洁净的自封袋密封储存；在干桂花中倒入葡萄籽油，搅拌均匀后，超声；将桂花装入萃取釜中进行萃取，得到含有桂花提取物的葡萄籽油；将含有桂花提取物的葡萄籽油冷冻静置，然后抽滤，直至滤液离心后无絮状物出现，即得桂花油。本发明有效地提高了超临界流体萃取植物尤其是花这一部位精油的提取率，重视利用提取工艺中的副产物，提高了桂花的商业附加值，切实推进了含桂花提取物产品的商业化。 【EN】The invention discloses an extraction process for extracting osmanthus oil by supercritical carbon dioxide fluid and application of the osmanthus oil in lip balm and hand cream. The extraction process comprises the following steps: freeze-drying fresh flos Osmanthi Fragrantis in freeze dryer to obtain dried flos Osmanthi Fragrantis, collecting flos Osmanthi Fragrantis cell sap, and storing in refrigerator; crushing and sieving the dry sweet osmanthus to obtain dry sweet osmanthus with uniform particles, and sealing and storing the dry sweet osmanthus by using a dry and clean self-sealing bag; grape seed oil is poured into the dry sweet osmanthus, and ultrasonic treatment is carried out after uniform stirring; putting the osmanthus into an extraction kettle for extraction to obtain grape seed oil containing the osmanthus extract; freezing and standing grape seed oil containing flos Osmanthi Fragrantis extract, and vacuum filtering until no floccule appears after centrifuging the filtrate to obtain flos Osmanthi Fragrantis oil. The method effectively improves the extraction rate of the essential oil of the supercritical fluid extraction plant, particularly the flower, attaches importance to the utilization of byproducts in the extraction process, improves the commercial added value of the osmanthus, and practically promotes the commercialization of the osmanthus extract-containing product.

摘要：【中文】本发明公开了一种超短波差分功率变换器，包括腔体、腔体一端设有一信号输入端、另一端设有两信号输出端，腔体内壁设有接地端，腔体内设有一功率变换器，所述功率变换器包括双孔磁心、功率分配电路和阻抗变化电路；功率分配电路包括缠绕在其中一通孔内的传输线，所述传输线采用双线并绕结构；阻抗变化电路包括缠绕在另一通孔内的同轴线，所述同轴线利用铜芯和金属屏蔽层来进行两路传输。本发明的研制成功，极大地推进超短波系统的技术水平，对扩大铁氧体功率器件在超短波及其相近的短波频段和微波频段的应用技术有积极的意义，具有很好的社会、经济效益。本发明的应用范围极广，如低轨星座、星际链路通信、深空探测、对地探测等领域均广泛使用。 【EN】The invention discloses an ultrashort wave differential power converter, which comprises a cavity, wherein one end of the cavity is provided with a signal input end, the other end of the cavity is provided with two signal output ends, the inner wall of the cavity is provided with a grounding end, a power converter is arranged in the cavity, and the power converter comprises a double-hole magnetic core, a power distribution circuit and an impedance change circuit; the power distribution circuit comprises a transmission line wound in one through hole, and the transmission line adopts a double-line parallel winding structure; the impedance change circuit comprises a coaxial wire wound in the other through hole, and the coaxial wire utilizes the copper core and the metal shielding layer to carry out two-way transmission. The successful development of the invention greatly promotes the technical level of an ultrashort wave system, has positive significance for expanding the application technology of ferrite power devices in ultrashort waves and short wave frequency bands and microwave frequency bands close to the ultrashort waves, and has good social and economic benefits. The invention has wide application range, such as the fields of low-orbit constellation, interplanetary link communication, deep space exploration, earth exploration and the like.

摘要：【中文】本发明提供了一种智慧地铁运营中客流感知的装置系统，该智慧地铁运营中客流感知的装置系统通过图像采集模块和生物数据采集模块分别获取关于不同地铁区域的静态图像和/或动态图像、和生物热红外分布数据，并从该静态图像和/或动态图像、和生物热红外分布数据中分别提取得到与客流相关的人体目标对象数量、人体目标对象分布位置和人体目标对象肢体动作等不同相关信息，并再对该相关信息进行预设神经网络模型的分析处理，从而最终预测得到关于不同地铁区域的客流变化状态。 【EN】The invention provides a passenger flow perception device system in intelligent subway operation, which respectively acquires static images and/or dynamic images and biological thermal infrared distribution data related to different subway areas through an image acquisition module and a biological data acquisition module, respectively extracts different related information such as the number of human target objects, the distribution positions of the human target objects and the body actions of the human target objects related to passenger flow from the static images and/or the dynamic images and the biological thermal infrared distribution data, and then analyzes and processes a preset neural network model on the related information, thereby finally predicting and obtaining the passenger flow change state related to different subway areas.

摘要：【中文】本发明公开了一种全自动式高层建筑雨水分离与多级利用系统，其包括屋面、排水管、叶轮弃流装置、污水管、满流蓄能装置、水轮发电机、蓄电装置和蓄水池。滤网与屋面平齐且位于排水管正上方，排水管与叶轮弃流装置相连，叶轮弃流装置上设有弃流管，弃流管连接污水管，满流蓄能装置安装在排水管上，保证充满管径的水流冲击水轮发电机，发电后储存入蓄电装置内，流经水轮发电机的雨水最后汇集到蓄水池内。本发明实现了屋面雨水分离，雨能蓄积、利用、雨水储存等多项功能，达到了获取洁净雨水、提高发电效率、延长发电装置寿命的目的。整个系统中装置体积小、安全系数高、结构简单、造价低，具有较高的经济效应，适合大范围推广。 【EN】The invention discloses a full-automatic rainwater separation and multistage utilization system for a high-rise building, which comprises a roof, a drain pipe, an impeller flow discarding device, a sewage pipe, a full-flow energy storage device, a hydraulic generator, an electric power storage device and a reservoir. The filter screen just is located directly over the drain pipe with the roofing parallel and level, and the drain pipe is abandoned class device with the impeller and is linked to each other, and the impeller is abandoned class device and is equipped with abandoning the flow tube, abandons class union coupling sewage pipe, and full flow energy storage equipment installs on the drain pipe, guarantees to be full of the rivers impact hydraulic generator of pipe diameter, stores into the electrical storage equipment after the electricity generation, and the rainwater of flowing through hydraulic generator collects in the cistern at last. The invention realizes multiple functions of roof rainwater separation, rainwater energy accumulation, utilization, rainwater storage and the like, and achieves the purposes of obtaining clean rainwater, improving the power generation efficiency and prolonging the service life of the power generation device. The device in the whole system has small volume, high safety factor, simple structure, low cost and higher economic effect, and is suitable for large-scale popularization.