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申请号:201911422277.2 公开号:CN111161965A 主分类号:H01H1/64
摘要:【中文】本发明提供了一种静触头及高压开关,其中静触头包括静触头座、安装在静触头座上的导电触指,导电触指具有供动触头插入实现插合的插合孔,还包括遮挡在导电触指上方的引弧环,且其内孔用于与插合孔同轴以供动触杆穿过;还包括围设在导电触指外侧的消弧线圈,消弧线圈的一端与引弧环电连接,另一端与静触头座电连接,并在电流经过时产生消弧磁场;屏蔽罩固定在静触头座上且套设在消弧线圈的外侧,引弧环的外边缘圆角设置,屏蔽罩的上端伸向引弧环的下侧面,且其外周面与屏蔽罩外侧面平齐;引弧环与屏蔽罩共同构成等电势面,从而能够均衡静触头内部电场。 【EN】The invention provides a static contact and a high-voltage switch, wherein the static contact comprises a static contact seat and a conductive contact finger arranged on the static contact seat, the conductive contact finger is provided with an insertion hole for a moving contact to be inserted and inserted, the static contact also comprises an arc striking ring which is shielded above the conductive contact finger, and the inner hole of the arc striking ring is coaxial with the insertion hole for the moving contact rod to pass through; the arc suppression device also comprises an arc suppression coil which is arranged around the outer side of the conductive contact finger, one end of the arc suppression coil is electrically connected with the arc striking ring, the other end of the arc suppression coil is electrically connected with the static contact base, and an arc suppression magnetic field is generated when current passes through the arc suppression coil; the shielding cover is fixed on the stationary contact seat and sleeved outside the arc suppression coil, the outer edge of the arc striking ring is arranged in a round angle mode, the upper end of the shielding cover extends to the lower side face of the arc striking ring, and the outer peripheral face of the shielding cover is flush with the outer side face of the shielding cover; the arc striking ring and the shielding cover jointly form an equipotential surface, so that an electric field in the static contact can be balanced.
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申请号:201911407771.1 公开号:CN111197846A 主分类号:F24F11/77
摘要:【中文】本发明涉及一种建筑内冷热负荷自适应调节方法及系统,属于建筑冷热负荷控制技术领域,1)采集建筑内冷热负荷影响因素,以及建筑内不同区域冷热负荷的实际值;所述冷热负荷为维持温度的负荷量;2)根据冷热负荷影响因素计算得到不同区域的冷热负荷的预测值,并计算对应区域的冷热负荷的预测值与实际值之间的差值;3)根据所述差值调节冷热负荷供给,如果差值大于0,减少对应区域的冷热负荷供给;如果差值小于0,增加对应区域的冷热负荷供给,解决现有建筑的冷热负荷刚性供给、冷热量浪费及区域间不平衡现象严重的问题。 【EN】The invention relates to a method and a system for self-adaptive adjustment of cold and heat loads in a building, belonging to the technical field of cold and heat load control of the building, and comprising the following steps of 1) collecting the influence factors of the cold and heat loads in the building and the actual values of the cold and heat loads in different areas in the building; the cold and hot load is the load for maintaining the temperature; 2) calculating predicted values of the cold and hot loads of different areas according to the cold and hot load influence factors, and calculating a difference value between the predicted value and an actual value of the cold and hot loads of the corresponding area; 3) adjusting cold and hot load supply according to the difference, and reducing cold and hot load supply of the corresponding area if the difference is greater than 0; if the difference is less than 0, the cold and heat load supply of the corresponding area is increased, and the problems of rigid cold and heat load supply, cold and heat quantity waste and serious inter-area imbalance of the existing building are solved.
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申请号:202010016317.X 公开号:CN111221042A 主分类号:G01V3/00
摘要:【中文】本发明提供了一种基于等效品质因数的磁耦合WPT系统非铁磁性金属异物检测方法,电路拓扑结构按照S/S型磁耦合无线电能传输系统拓扑结构设置,并确定系统等效品质因数阈值Qe;通过电压检测原边补偿电容前后两端的端电压,前端电压记为U1,后端电压记为U2;判断是否超过阈值,如果超过阈值,则报警并执行异物处置进程。其效果是:实现比较简单,仅需发射端设置的两路电压检测即可判定是否存在非铁磁性金属异物,同时报警并执行异物处置进程,可实现电路自动保护、异物自动清除以及能量传输自动恢复的控制,能有效应用于S/S型磁耦合无线电能传输系统中。 【EN】The invention provides a non-ferromagnetic metal foreign matter detection method of a magnetic coupling WPT system based on equivalent quality factors, wherein a circuit topological structure is arranged according to an S/S type magnetic coupling wireless power transmission system topological structure, and a system equivalent quality factor threshold Q is determinede(ii) a The voltage of the front end and the rear end of the primary side compensation capacitor is detected through the voltage, and the voltage of the front end is recorded as U1And the back end voltage is denoted as U2(ii) a Judgment ofIf the threshold value is exceeded, alarming and executing a foreign object handling process. The effect is as follows: the realization is simple, only two paths of voltage detection arranged at the transmitting end are needed to judge whether non-ferromagnetic metal foreign bodies exist,meanwhile, the alarm is given and the foreign matter disposal process is executed, so that the control of automatic circuit protection, automatic foreign matter removal and automatic energy transmission recovery can be realized, and the method can be effectively applied to an S/S type magnetic coupling wireless power transmission system.
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申请号:202010016337.7 公开号:CN111106676A 主分类号:H02J50/10
摘要:【中文】本发明提供了一种LCC‑S型MC‑WPT系统的磁耦合机构参数多目标优化方法,按照以下步骤进行:S1:设定线圈半径、传输距离、线圈匝数作为待优化参数;S2:以系统输出功率、传输效率和系统总谐波畸变率为目标函数,并基于步骤S1中的待优化参数和系统中其它电路元件参数确定各个目标函数的表达式;S3:确定约束条件;S4:基于NSGA‑Ⅱ优化算法确定待优化参数的优化结果。该方法以线圈半径、传输距离、线圈匝数作为决策变量,以系统传输效率、传输功率与总谐波畸变率为目标函数,采用NSGA‑II实现了系统磁耦合机构几何参数的最优化,并验证了其应用在LCC‑S型MC‑WPT系统中的可行性和有效性。 【EN】The invention provides a magnetic coupling mechanism parameter multi-objective optimization method of an LCC-S type MC-WPT system, which is carried out according to the following steps: s1: setting the radius of the coil, the transmission distance and the number of turns of the coil as parameters to be optimized; s2: taking the system output power, the transmission efficiency and the total harmonic distortion rate as objective functions, and determining expressions of the objective functions based on the parameters to be optimized in the step S1 and other circuit element parameters in the system; s3: determining a constraint condition; s4: and determining an optimization result of the parameter to be optimized based on the NSGA-II optimization algorithm. According to the method, the coil radius, the transmission distance and the coil turns are used as decision variables, the system transmission efficiency, the transmission power and the total harmonic distortion rate are used as objective functions, the optimization of geometric parameters of a system magnetic coupling mechanism is realized by adopting NSGA-II, and the feasibility and the effectiveness of the method applied to the LCC-S type MC-WPT system are verified.
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申请号:201810950029.4 公开号:CN110854823A 主分类号:H02H7/26
摘要:【中文】本发明涉及高压直流断路器领域,具体涉及一种高压直流断路器。本发明通过将高压直流断路器的快速机械开关设置在断路器阀塔的外部,只需考虑快速开关与其余部分的电气距离,在分合闸过程中,快速机械开关的振动不会对断路器阀塔造成影响,电磁兼容性能优良,同时快速机械开关落地式布局,方便设备运行维护。本发明中高压直流断路器的快速机械开关采用SF6快速开关,能够提高开关的灭弧能力以及开断容量,对于较高电压等级,采用SF6灭弧介质,有利于减少断路器断口数量,避免断路器多断口间开关特性不一致的情形,提高断路器的可靠性,同时SF6具有较快的反应速度。 【EN】The invention relates to the field of high-voltage direct-current circuit breakers, in particular to a high-voltage direct-current circuit breaker. According to the invention, the quick mechanical switch of the high-voltage direct-current circuit breaker is arranged outside the breaker valve tower, only the electrical distance between the quick switch and the rest part needs to be considered, the vibration of the quick mechanical switch cannot influence the breaker valve tower in the opening and closing process, the electromagnetic compatibility performance is excellent, and meanwhile, the floor type layout of the quick mechanical switch is convenient for equipment operation and maintenance. The quick mechanical switch of the high-voltage direct-current circuit breaker adopts the SF6 quick switch, the arc extinguishing capability and the breaking capacity of the switch can be improved, for a higher voltage grade, the SF6 arc extinguishing medium is adopted, the reduction of the number of the breaker breaks is facilitated, the situation that the switching characteristics of the breaker multi-break are inconsistent is avoided, the reliability of the breaker is improved, and meanwhile, the SF6 has a higher reaction speed.
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