摘要：【中文】本发明提出了一种确定永磁同步电机转子角度位置的方法、装置及永磁同步电机。永磁同步电机设置有多个霍尔位置传感器，以及设置有极对数为永磁同步电机的极对数的二倍的霍尔磁环，霍尔位置传感器用于输出霍尔位置信号，方法包括：在永磁同步电机上电且处于停止状态时，获取霍尔位置信号电平，根据霍尔位置信号电平确定初始霍尔角度位置以及初始扇区值；在初始霍尔角度位置的q轴方向加入电流以使永磁同步电机旋转，并记录扇区变化；根据扇区变化值，确定永磁同步电机的旋转方向以及霍尔位置标志位；根据霍尔位置标志位和初始霍尔角度位置，确定永磁同步电机的转子角度位置。 【EN】The invention provides a method and a device for determining the angle position of a rotor of a permanent magnet synchronous motor and the permanent magnet synchronous motor. The permanent magnet synchronous motor is provided with a plurality of Hall position sensors and a Hall magnetic ring with the number of pole pairs being twice that of the permanent magnet synchronous motor, the Hall position sensors are used for outputting Hall position signals, and the method comprises the following steps: when the permanent magnet synchronous motor is powered on and is in a stop state, acquiring a Hall position signal level, and determining an initial Hall angle position and an initial sector value according to the Hall position signal level; adding current in the q-axis direction of the initial Hall angle position to enable the permanent magnet synchronous motor to rotate, and recording the change of a sector; determining the rotation direction of the permanent magnet synchronous motor and a Hall position zone bit according to the sector change value; and determining the rotor angle position of the permanent magnet synchronous motor according to the Hall position mark bit and the initial Hall angle position.

摘要：【中文】本发明提出了一种确定永磁同步电机转子角度位置的方法、装置及永磁同步电机。电机设置有极对数为电机的极对数的二倍的霍尔磁环，方法包括：在永磁同步电机上电且处于停止状态时，获取霍尔位置信号电平，根据霍尔位置信号电平确定初始霍尔角度位置以及初始扇区值；在初始霍尔角度位置的q轴方向加入电流，判断初始扇区值是否发生变化；当发生变化时，记录扇区变化值，并根据扇区变化值确定永磁同步电机的旋转方向以及霍尔位置标志位；当未发生变化时，在初始霍尔角度位置分别加入正电压脉冲和负电压脉冲，获取并比较正电流峰值和负电流峰值，以确定霍尔位置标志位；根据霍尔位置标志位和初始霍尔角度位置，确定永磁同步电机的转子角度位置。 【EN】The invention provides a method and a device for determining the angle position of a rotor of a permanent magnet synchronous motor and the permanent magnet synchronous motor. The motor is provided with a Hall magnetic ring with the number of pole pairs being twice that of the motor, and the method comprises the following steps: when the permanent magnet synchronous motor is powered on and is in a stop state, acquiring a Hall position signal level, and determining an initial Hall angle position and an initial sector value according to the Hall position signal level; adding current in the q-axis direction of the initial Hall angle position, and judging whether the initial sector value changes or not; when the change occurs, recording a sector change value, and determining the rotation direction of the permanent magnet synchronous motor and the Hall position zone bit according to the sector change value; when the Hall position marker bit is not changed, respectively adding a positive voltage pulse and a negative voltage pulse at the initial Hall angle position, and acquiring and comparing a positive current peak value and a negative current peak value to determine the Hall position marker bit; and determining the rotor angle position of the permanent magnet synchronous motor according to the Hall position mark bit and the initial Hall angle position.

摘要：【中文】本发明公开了一种双轴加载微动疲劳试验系统及方法，该系统包括电液伺服双轴加载装置、微动疲劳加载装置、液压油源、电控系统以及上位机；所述电液伺服双轴加载装置设置有试验机承力框架、水平导轨、水平轴作动器和垂直轴作动器；所述微动疲劳加载装置设置有微动垫的水平加载装置、试件的垂直加载装置以及摩擦力采集装置。本发明可实现微动疲劳试验过程中法向载荷的实时控制，从而实现不同波形的交变法向载荷与交变远端载荷双轴比例与非比例加载条件下的微动疲劳试验，同时可对微动疲劳试验过程中微动垫和试件间的摩擦力、摩擦系数等微动关键参数进行实时测量和采集。 【EN】The invention discloses a double-shaft loading fretting fatigue test system and a method, wherein the system comprises an electro-hydraulic servo double-shaft loading device, a fretting fatigue loading device, a hydraulic oil source, an electric control system and an upper computer; the electro-hydraulic servo double-shaft loading device is provided with a testing machine bearing frame, a horizontal guide rail, a horizontal shaft actuator and a vertical shaft actuator; the fretting fatigue loading device is provided with a horizontal loading device of a fretting pad, a vertical loading device of a test piece and a friction force acquisition device. The invention can realize the real-time control of the normal load in the fretting fatigue test process, thereby realizing the fretting fatigue test under the conditions of biaxial proportion and non-proportional loading of alternating normal load and alternating far-end load with different waveforms, and simultaneously can carry out real-time measurement and acquisition on fretting key parameters such as friction force, friction coefficient and the like between the fretting pad and the test piece in the fretting fatigue test process.

摘要：【中文】本发明公开了一种水文地质用地下水采样装置，属于采样装置领域，包括外箱，所述外箱的底部设有底槽，所述底槽的内部设有两根电动推杆，所述电动推杆的底端设有垫板，所述电动推杆的四角均设有螺纹杆，所述底槽的顶部设有储水罐，所述水泵的一端设有软管，所述软管的外侧设有金属薄膜，所述外箱的一侧设有T型管，所述T型管的另一端设有绕线柱，所述绕线柱与T型管之间设有限位片，所述软管的末端设有阀门，所述阀门的底部设有吸水头；本发明通过绕线柱绕T型管的转动，能够对软管进行收卷，便于调节软管的使用长度，从而方便使用者对不同深度的地下水进行采样，利用限位片，可保证绕线柱转动的稳定性。 【EN】The invention discloses a hydrogeology underground water sampling device, which belongs to the field of sampling devices and comprises an outer box, wherein the bottom of the outer box is provided with a bottom groove, two electric push rods are arranged inside the bottom groove, the bottom ends of the electric push rods are provided with backing plates, threaded rods are arranged at four corners of each electric push rod, a water storage tank is arranged at the top of the bottom groove, one end of a water pump is provided with a hose, the outer side of the hose is provided with a metal film, one side of the outer box is provided with a T-shaped pipe, the other end of the T-shaped pipe is provided with a winding post, a limiting piece is arranged between the winding post and the T-shaped pipe, the tail end of the hose is provided with a valve, and the; according to the invention, the winding post rotates around the T-shaped pipe, so that the hose can be wound, the use length of the hose can be conveniently adjusted, a user can conveniently sample groundwater of different depths, and the stability of the rotation of the winding post can be ensured by utilizing the limiting piece.

摘要：【中文】本发明公开了一种二硼化钛基纳米复合刀具材料及制备方法，以二硼化钛为基料，采用纳米氧化物陶瓷及纳米碳化物陶瓷作为烧结助剂，协同发挥缺陷强化烧结与液相强化烧结作用；碳化硅晶须掺杂石墨烯作为协同强韧化相，石墨烯具有较大的比表面积，为碳化硅晶须及纳米复相陶瓷提供负载体，而碳化硅晶须分布在石墨烯表面，可起到石墨烯聚集阻隔剂的作用，从而显著增大碳化硅晶须‑石墨烯与材料基体的接触面积且相容性好，形成碳化硅晶须/石墨烯/纳米复相陶瓷/二硼化钛基体界面，引入基于多元多尺度强弱混杂界面调控的协同强韧化机理，得到高致密、高性能的二硼化钛基纳米复合刀具材料；制备得到的抗弯强度、维氏硬度和断裂韧性力学性能大大提高。 【EN】The invention discloses a titanium diboride-based nano composite cutter material and a preparation method thereof, wherein titanium diboride is used as a base material, and nano oxide ceramic and nano carbide ceramic are used as sintering aids to synergistically play the roles of defect-enhanced sintering and liquid-phase enhanced sintering; the silicon carbide whiskers are doped with graphene as a synergistic strengthening and toughening phase, the graphene has a large specific surface area and provides a load for the silicon carbide whiskers and the nano complex-phase ceramic, and the silicon carbide whiskers are distributed on the surface of the graphene and can play a role of a graphene aggregation blocking agent, so that the contact area of the silicon carbide whisker-graphene and a material matrix is remarkably increased, the compatibility is good, a silicon carbide whisker/graphene/nano complex-phase ceramic/titanium diboride matrix interface is formed, and a synergistic strengthening and toughening mechanism based on the regulation and control of a multi-element multi-scale strong and weak mixed interface is introduced to obtain a high-density and high-performance titanium diboride-based nano composite cutter material; the mechanical properties of bending strength, Vickers hardness and fracture toughness of the prepared material are greatly improved.

摘要：【中文】本发明公开了一种导风静叶、风道部件和空调器，导风静叶适于设在轴流风轮的下游，以引导轴流风轮的出风，导风静叶包括轮毂和至少一组叶片组，叶片组设在轮毂的径向外侧且包括多个叶片，叶片组的多个叶片沿轮毂的周向间隔设置，在轮毂的横截面上，以轮毂的中心为圆心，叶片组的至少两个相邻叶片之间形成的圆心角与其余相邻叶片之间形成的圆心角不等。根据本发明的导风静叶，可以保证轴流风轮的出风量，降低风道的噪音和异音。 【EN】The invention discloses an air guide stationary blade, an air duct component and an air conditioner, wherein the air guide stationary blade is suitable for being arranged at the downstream of an axial flow wind wheel to guide the air outlet of the axial flow wind wheel and comprises a hub and at least one blade group, the blade group is arranged at the radial outer side of the hub and comprises a plurality of blades, the blades of the blade group are arranged at intervals along the circumferential direction of the hub, and on the cross section of the hub, the center of the hub is taken as the center of a circle, and the central angle formed between at least two adjacent blades of the blade group is unequal to the central angle formed between the other adjacent blades. According to the air guide stationary blade, the air outlet quantity of the axial flow wind wheel can be ensured, and the noise and the abnormal sound of an air channel are reduced.

摘要：【中文】本发明公开一种焦化尾气处理方法和装置，以解决现有延迟焦化装置存在水汽、恶臭气体污染、尾气VOC和焦粉随尾气排放造成二次污染等问题。焦池尾气、焦炭塔泄放蒸汽、焦炭塔尾气和焦化装置内其它设备产生尾气进入尾气处理塔气液分离段进行气液分离，气相焦化尾气上升到脱硫段与吸收液逆流接触进行脱硫，脱硫后焦化尾气从尾气处理塔顶部出来去除VOC后排空，富吸收液抽出增压后返回脱硫段上部，失效后废液外送至处理单元，尾气处理塔内含固体颗粒洗涤水向下进入沉降段，含固体颗粒洗涤污水从尾气处理塔底部出来，澄清洗涤水由尾气处理塔下部的洗涤水抽出斗出来，增压后作为循环洗涤水循环使用。 【EN】The invention discloses a coking tail gas treatment method and a coking tail gas treatment device, which are used for solving the problems that the existing delayed coking device has water vapor and malodorous gas pollution, and secondary pollution is caused by tail gas VOC and coke powder discharged along with the tail gas. The tail gas generated by coke pool, the steam discharged by coke tower, the tail gas generated by coke tower and other equipment in the coking device enters the gas-liquid separation section of the tail gas treatment tower for gas-liquid separation, the gas-phase coking tail gas rises to the desulfurization section and is in countercurrent contact with the absorption liquid for desulfurization, the desulfurized coking tail gas comes out from the top of the tail gas treatment tower and is evacuated after VOC is removed, rich absorption liquid is pumped out and pressurized and then returns to the upper part of the desulfurization section, waste liquid after failure is sent out to the treatment unit, the tail gas treatment tower contains solid particle washing water and enters the settling section downwards, the washing sewage containing solid particles comes out from the bottom of the tail gas treatment tower, clarified washing water is pumped out by the washing water at the lower part of the tail gas.

摘要：【中文】本发明公开一种焦化尾气处理工艺和装置，以解决现有延迟焦化装置存在水汽、恶臭气体污染、尾气VOC和焦粉随尾气排放造成二次污染等问题。焦池尾气、焦炭塔泄放蒸汽、焦炭塔尾气和焦化装置内其它设备产生尾气进入尾气处理塔气液分离段进行气液分离，气相焦化尾气上升到脱硫段与从脱硫段上部进入的吸收液逆流接触进行脱硫，脱硫后焦化尾气继续上升到达脱饱和段，脱饱和后从尾气处理塔顶部出来去除VOC后排空，富吸收液抽出增压后返回脱硫段上部，失效后废液外送至处理单元，尾气处理塔内含固体颗粒洗涤水向下进入沉降段，含固体颗粒洗涤污水从尾气处理塔底部出来，澄清洗涤水由尾气处理塔下部的洗涤水抽出斗出来，经增压后作为循环洗涤水循环使用。 【EN】The invention discloses a coking tail gas treatment process and a coking tail gas treatment device, which are used for solving the problems that the existing delayed coking device has water vapor and malodorous gas pollution, and secondary pollution is caused by tail gas VOC and coke powder discharged along with the tail gas. The method comprises the following steps that coke pool tail gas, coke tower discharged steam, coke tower tail gas and tail gas generated by other equipment in a coking device enter a tail gas treatment tower gas-liquid separation section for gas-liquid separation, gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with absorption liquid entering from the upper part of the desulfurization section for desulfurization, the coking tail gas continues to rise to a desaturation section after desulfurization, the coking tail gas comes out from the top of a tail gas treatment tower after desaturation to remove VOC and then is discharged, rich absorption liquid is pumped out and pressurized and then returns to the upper part of the desulfurization section, waste liquid after failure is sent out to a treatment unit, washing water containing solid particles in the tail gas treatment tower downwards enters a settling section, washing sewage containing the solid particles comes out from the bottom of the tail gas treatment tower, clarified washing water is pumped out from a.

摘要：【中文】本发明公开一种焦化尾气处理工艺和装置，以解决现有延迟焦化装置存在水汽、恶臭气体污染、尾气VOC和焦粉随尾气排放造成二次污染等问题。焦池尾气、焦炭塔泄放蒸汽、焦炭塔尾气和焦化装置内其它设备产生尾气进入尾气处理塔气液分离段进行气液分离，气相焦化尾气上升到脱硫段与从脱硫段上部进入的吸收液逆流接触进行脱硫，脱硫后的焦化尾气从尾气处理塔顶部出来，进入脱饱和器进行脱饱和，脱饱和后的焦化尾气从脱饱和器出来，去除VOC后排空，富吸收液抽出增压后返回脱硫段上部，失效后废液外送至处理单元处理，尾气处理塔内的洗涤水向下从尾气处理塔底部出来，一部分出装置，另一部分经增压后作为循环洗涤水循环使用。 【EN】The invention discloses a coking tail gas treatment process and a coking tail gas treatment device, which are used for solving the problems that the existing delayed coking device has water vapor and malodorous gas pollution, and secondary pollution is caused by tail gas VOC and coke powder discharged along with the tail gas. The method comprises the following steps that coke pool tail gas, coke tower discharge steam, coke tower tail gas and tail gas generated by other equipment in a coking device enter a tail gas treatment tower gas-liquid separation section for gas-liquid separation, gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with absorption liquid entering from the upper portion of the desulfurization section for desulfurization, the desulfurized coking tail gas comes out of the top of the tail gas treatment tower and enters a desaturator for desaturation, the desaturated coking tail gas comes out of the desaturator, VOC is removed and then is emptied, rich absorption liquid is pumped out and pressurized and then returns to the upper portion of the desulfurization section, waste liquid after failure is sent out to a treatment unit for treatment, washing water in the tail gas treatment tower comes out of the bottom of the tail gas treatment tower downwards, one part of the washing water comes.

摘要：【中文】本发明公开一种焦化尾气处理方法和装置，以解决现有延迟焦化装置焦池、焦炭塔存在水汽、恶臭气体污染、尾气VOC和焦粉随尾气排放造成二次污染等问题。焦池尾气、焦炭塔泄放蒸汽、焦炭塔尾气和焦化装置内其它设备产生尾气进入尾气处理塔气液分离段进行气液分离，气相焦化尾气上升到脱硫段与从脱硫段上部进入的吸收液逆流接触进行脱硫，脱硫后的焦化尾气继续上升到达脱饱和段，脱饱和后从尾气处理塔顶部出来，去除VOC后排空，富吸收液抽出增压后返回脱硫段上部，失效后废液外送至处理单元处理，尾气处理塔内的洗涤水向下从尾气处理塔底部出来，一部分出装置，另一部分经增压后作为循环洗涤水循环使用。 【EN】The invention discloses a coking tail gas treatment method and a coking tail gas treatment device, which are used for solving the problems of water vapor and malodorous gas pollution, secondary pollution caused by tail gas VOC and coke powder discharged along with tail gas and the like existing in a coke tank and a coke tower of the conventional delayed coking device. The method comprises the following steps that coke pool tail gas, coke tower discharge steam, coke tower tail gas and tail gas generated by other equipment in a coking device enter a gas-liquid separation section of a tail gas treatment tower to be subjected to gas-liquid separation, gas-phase coking tail gas rises to a desulfurization section and is in countercurrent contact with absorption liquid entering from the upper part of the desulfurization section to be desulfurized, the desulfurized coking tail gas continuously rises to a desaturation section, the coking tail gas is discharged from the top of the tail gas treatment tower after desaturation, VOC is removed and then is discharged, rich absorption liquid is pumped out and pressurized and then returns to the upper part of the desulfurization section, waste liquid after failure is sent out to a treatment unit to be treated, washing water in the tail gas treatment tower downwards flows out from the bottom of the tail gas treatment.