摘要：【中文】本发明公开了一种双励双控式自励恒压永磁工频无刷同步发电机，包括机体、发电机转子和组合定子，还包括双控式AVR、双频励磁机、旋转变压器；所述发电机转子包括装在一根共同的转轴上的永磁励磁的主转子、电励磁的补偿转子、旋转整流方向控制器、双向旋转整流器装置、双频励磁机转子、旋转变压器次级线圈，构成双励系统；本发明将置于转子上的旋转AVR转移到不旋转的定子侧，解决了双永磁混合励磁永磁工频无刷同步发电机AVR操作、维修不方便的问题，还能扩展AVR的功能，如增加过流、过压、超速等保护功能，以及使混合励磁永磁工频无刷同步发电机可向较大容量规格发展的问题。 【EN】The invention discloses a double-excitation double-control self-excitation constant-voltage permanent magnet power frequency brushless synchronous generator, which comprises a generator body, a generator rotor and a combined stator, and also comprises a double-control AVR, a double-frequency exciter and a rotary transformer; the generator rotor comprises a permanent magnet excitation main rotor, an electric excitation compensation rotor, a rotating rectification direction controller, a bidirectional rotating rectifier device, a double-frequency exciter rotor and a rotary transformer secondary coil which are arranged on a common rotating shaft to form a double-excitation system; the invention transfers the rotary AVR arranged on the rotor to the non-rotary stator side, solves the problem of inconvenient operation and maintenance of the dual-permanent magnet mixed excitation permanent magnet power frequency brushless synchronous generator AVR, and can also expand the AVR functions, such as increasing the protection functions of overcurrent, overvoltage, overspeed and the like, and the problem of developing the mixed excitation permanent magnet power frequency brushless synchronous generator to a larger capacity specification.

摘要：【中文】一种基于简化二维码标签识别的超市购物车的商品推荐系统，包括两大模块：图像部分模块，对图案标签的设计而言，设计一个图案用于识别，该图案具有定位码，用于锁定图案的位置以及判断图案的方向，对于定位码图像的定位与识别而言，通过定位图案，再生成轮廓树，进行解析其中的数据部分，得到数据并提取被标签商品的信息；商品推荐模块，根据识别结果，基于关联性、热度、价位的综合考虑对消费者进行商品推荐。本发明对倾斜或轻微扭曲的多标签具有较好识别效果，适用于购物车中存在重叠摆放的不同商品的应用场景。 【EN】A commodity recommendation system of a supermarket shopping cart based on simplified two-dimensional code label identification comprises two modules: the image part module is used for designing a pattern for identification, the pattern is provided with a positioning code and used for locking the position of the pattern and judging the direction of the pattern, and for positioning and identification of the positioning code image, the positioning pattern is used for regenerating a contour tree, the data part in the contour tree is analyzed, the data is obtained, and the information of the labeled commodity is extracted; and the commodity recommending module is used for recommending commodities to the consumers based on comprehensive consideration of relevance, heat and price according to the identification result. The invention has better recognition effect on inclined or slightly distorted multiple labels, and is suitable for application scenes of different commodities overlapped in a shopping cart.

摘要：【中文】本发明实施例提供了一种电荷泵系统及非易失存储器，该系统包括：包括了振荡器单元、电荷泵单元；振荡器单元的输出端与电荷泵单元的输入端连接，用于通过振荡器单元的输出端的输出信号，控制电荷泵单元进行冲压；振荡器单元包括：延时反相电路、锁存器；锁存器包括：第一输入接口、第二输入接口和第一输出接口；延时反相电路的输出端与第一输入接口连接；第一输出接口与电荷泵单元的输入端连接；第二输入接口作为所述振荡器单元的输入端，用于接收使能信号。本发明实施例在振荡器单元中设置了锁存器，当使能信号拉低时，锁存器可以将时钟信号锁存在使能信号下降沿出现前的状态，因此能有效避免电荷泵系统中的毛刺，避免电荷泵单元出现过冲。 【EN】The embodiment of the invention provides a charge pump system and a nonvolatile memory, wherein the system comprises: the device comprises an oscillator unit and a charge pump unit; the output end of the oscillator unit is connected with the input end of the charge pump unit and is used for controlling the charge pump unit to punch through an output signal of the output end of the oscillator unit; the oscillator unit includes: a delay inverting circuit, a latch; the latch includes: a first input interface, a second input interface and a first output interface; the output end of the delay inverting circuit is connected with the first input interface; the first output interface is connected with the input end of the charge pump unit; the second input interface is used as an input end of the oscillator unit and used for receiving an enabling signal. The embodiment of the invention arranges the latch in the oscillator unit, when the enable signal is pulled down, the latch can latch the clock signal in a state before the falling edge of the enable signal appears, thereby effectively avoiding the burr in the charge pump system and avoiding the overshoot of the charge pump unit.

摘要：【中文】本发明公开了一种用于箱式变电站的发电车接入室，其特征在于，包括：一发电车接入室本体，所述发电车接入室本体包括相连的室门和室体，所述室体的背板上安装一内室组件安装板，所述内室组件安装板的上端还安装一联锁板限位板，所述内室组件安装板的下端连接一斜板；一插座安装板安装在所述内室组件安装板的上部，所述内室组件安装板的中部向外伸出设置有一横板，一带有门锁的联锁板通过活动支撑装置安装在所述横板上，所述联锁板以所述横板为轴心开合；所述横板上设置有若干落水孔，所述发电车接入室整体安装在箱式变电站内部。有效利用箱式变电站现有空间，为发电车接入装置设置独立隔室，方便运维人员快速找到接入位置且设计更加安全。 【EN】The invention discloses a power generation car access chamber for a box-type substation, which is characterized by comprising the following components: the power generation car access chamber comprises a door and a chamber body which are connected, an inner chamber component mounting plate is mounted on a back plate of the chamber body, an interlocking plate limiting plate is further mounted at the upper end of the inner chamber component mounting plate, and an inclined plate is connected to the lower end of the inner chamber component mounting plate; the socket mounting plate is mounted at the upper part of the inner chamber component mounting plate, a transverse plate extends outwards from the middle part of the inner chamber component mounting plate, an interlocking plate with a door lock is mounted on the transverse plate through a movable supporting device, and the interlocking plate is opened and closed by taking the transverse plate as an axis; the transverse plate is provided with a plurality of water falling holes, and the power generation car access chamber is integrally installed inside the box-type substation. The existing space of box-type substation is effectively utilized, and for the power generation car access device set up independent compartment, it is safer to make things convenient for fortune dimension personnel to find the access position fast and design.

摘要：【中文】本发明公开了连续冲砂式出砂检测系统与方法，检测系统包括井下循环冲砂、井口连续循环及井口出砂检测三个子系统。所述井下循环冲砂系统包括皮碗封隔器、阻流封隔器与打孔筛管，井下筛管若有破损，地层砂被冲进油管内，经循环至井口；所述井口连续循环系统包括连续冲砂循环阀、自封封井器及井口采油树等零部件，实现单根油管下入时连续循环冲砂，所述井口出砂检测子系统包括测试弯管、信号转换器及信号显示器等零部件，实现对循环液中砂粒撞击测试弯管的信号检测。通过三个子系统的有机结合，可以实时检测井下出砂点或筛管破损位置。 【EN】The invention discloses a continuous sand washing type sand production detection system and a continuous sand washing type sand production detection method. The underground circulating sand washing system comprises a cup packer, a flow blocking packer and a punching sieve tube, if the underground sieve tube is damaged, the formation sand is washed into the oil tube and circulates to a well head; the wellhead continuous circulating system comprises a continuous sand flushing circulating valve, a self-sealing well sealer, a wellhead Christmas tree and other parts, continuous circulating sand flushing is realized when a single oil pipe is put in, the wellhead sand outlet detection subsystem comprises a test bent pipe, a signal converter, a signal display and other parts, and signal detection of the test bent pipe is realized when sand particles in circulating liquid impact. Through the organic combination of the three subsystems, the underground sand outlet point or the screen pipe damage position can be detected in real time.