摘要：【中文】本发明公开一种应用于锁相环系统的锁相加速电路及锁相环系统，该锁相环系统包括鉴频鉴相器、电荷泵、锁相加速电路、低通滤波器、压控振荡器和分频器，并依次连接形成的一个反馈环路，锁相加速电路包括偏移电压产生模块和电流注入控制模块；偏移电压产生模块的信号输出端产生一个大于其输入端电压的偏移电压，用于在锁相环系统在接近稳定或已经稳定状态下，切断锁相加速电路工作；电流注入控制模块，通过比较低通滤波器的信号输入端的电压值和偏移电压产生模块的信号输出端的电压值，来确定锁相加速电路的工作状态，从而达到锁相加速的目的。 【EN】The invention discloses a phase-locked accelerating circuit applied to a phase-locked loop system and the phase-locked loop system, wherein the phase-locked loop system comprises a phase frequency detector, a charge pump, a phase-locked accelerating circuit, a low-pass filter, a voltage-controlled oscillator and a frequency divider which are sequentially connected to form a feedback loop; the signal output end of the offset voltage generating module generates an offset voltage which is larger than the voltage of the input end of the offset voltage generating module and is used for cutting off the work of the phase-locked accelerating circuit when the phase-locked loop system is in a stable state or a stable state; and the current injection control module determines the working state of the phase-locked accelerating circuit by comparing the voltage value of the signal input end of the low-pass filter with the voltage value of the signal output end of the offset voltage generation module, so that the aim of phase-locked acceleration is fulfilled.

摘要：【中文】本发明公开了一种包络检测电路，该电路包括比较模块和整形模块。所述比较模块包括用于输入第一接收信号的第一信号输入端，用于输入第二接收信号的第二信号输入端，用于输出第一比较信号的第一信号输出端，以及用于输出第二比较信号的第二信号输出端。所述整形模块包括与所述第一信号输出端连接的第三信号输入端，与所述第二信号输出端连接的第四信号输入端，以及用于输出包络检测信号的第三信号输出端。所述包络检测电路，不需要参考信号产生电路，只需要比较模块和整形模块就可以输出稳定的包络检测信号，降低了系统复杂度，电路结构简单，成本相对较低。 【EN】The invention discloses an envelope detection circuit which comprises a comparison module and a shaping module. The comparison module comprises a first signal input end used for inputting a first receiving signal, a second signal input end used for inputting a second receiving signal, a first signal output end used for outputting a first comparison signal, and a second signal output end used for outputting a second comparison signal. The shaping module comprises a third signal input connected to the first signal output, a fourth signal input connected to the second signal output, and a third signal output for outputting an envelope detection signal. The envelope detection circuit does not need a reference signal generation circuit, can output a stable envelope detection signal only by the comparison module and the shaping module, reduces the complexity of a system, and has a simple circuit structure and relatively low cost.

摘要：【中文】本发明公开一种DCDC转换器、电源管理芯片及适配器，该DCDC转换器包括：输出电压误差放大电路、功率变换电路、负载电路、电流检测电路和PFM‑PWM控制器，所述PFM‑PWM控制器根据其内部压控振荡器及其后延迟单元产生的延迟信号CKD与电流检测电路输出的电流比较结果信号ICMP的时延关系产生一个相对滞后且上升沿同步的复位信号RST，同时结合时钟信号CK的锁存电平去对功率变换电路内的功率管进行开启控制，从而根据负载电流ILOAD的变化在PFM模式和PWM模式之间的自动过渡，并在全负载电流范围内维持较高的电源转换效率。 【EN】The invention discloses a DCDC converter, a power management chip and an adapter, wherein the DCDC converter comprises: the PFM-PWM controller generates a reset signal RST with relative lag and synchronous rising edge according to the time delay relation between a delay signal CKD generated by an internal voltage-controlled oscillator and a delay unit behind the delay unit thereof and a current comparison result signal ICMP output by the current detection circuit, and simultaneously performs opening control on a power tube in the power conversion circuit by combining the latch level of a clock signal CK, so that automatic transition between a PFM mode and a PWM mode is realized according to the change of load current ILOAD, and higher power supply conversion efficiency is maintained in a full load current range.

摘要：【中文】本发明公开一种浮动电源供电的轨对轨超低失配电荷泵电路，该轨对轨超低失配电荷泵电路包括电荷泵、浮动电源电路和电平转换电路，浮动电源电路产生与电荷泵输出端电压VC保持恒定差值且跟随电压VC变化的正浮动电源和负浮动电源，为电荷泵提供浮动电源接入和浮动地接入，其中，前述恒定差值是根据电荷泵的充电电流和放电电流相等时对应的供电电源和电源地与电压VC的差值进行配置，当电压VC发生变化，正浮动电源和负浮动电源都跟随电压VC变化并保持恒定的差值，从而拓宽电荷泵工作范围为0‑3.3V，并保证电荷泵在全工作范围内工作在接近零电流失配的状态下。同时避免电荷共享引起的毛刺问题，简化了现有的电荷泵内部的电路结构。 【EN】The invention discloses a rail-to-rail ultra-low mismatch charge pump circuit powered by a floating power supply, which comprises a charge pump, a floating power supply circuit and a level conversion circuit, wherein the floating power supply circuit generates a positive floating power supply and a negative floating power supply which keep a constant difference with the voltage VC at the output end of the charge pump and change along with the voltage VC, provides floating power supply access and floating ground access for the charge pump, wherein the constant difference is configured according to the difference between the power supply and the power ground corresponding to the charging current and the discharging current of the charge pump being equal and the voltage VC, when the voltage VC changes, the positive floating power supply and the negative floating power supply change along with the voltage VC and keep constant difference, therefore, the working range of the charge pump is widened to be 0-3.3V, and the charge pump is ensured to work in a state close to zero current mismatch within the full working range. Meanwhile, the burr problem caused by charge sharing is avoided, and the circuit structure in the conventional charge pump is simplified.

摘要：【中文】本发明涉及航天电缆领域，具体公开了一种电缆，包括导电线芯以及包覆于导电线芯表面的绝缘保护层，导电线芯由多根碳基导体纤维绞合或编织而成。本发明实施例中的电缆能够满足航天领域的电力传输需求，使其具有更高的柔性，减轻了电缆的重量，并且工艺简单，适用于工业化生产。 【EN】The invention relates to the field of space cables, and particularly discloses a cable which comprises a conductive wire core and an insulating protective layer coated on the surface of the conductive wire core, wherein the conductive wire core is formed by stranding or weaving a plurality of carbon-based conductor fibers. The cable in the embodiment of the invention can meet the power transmission requirement in the aerospace field, has higher flexibility, reduces the weight of the cable, has simple process and is suitable for industrial production.

摘要：【中文】本发明涉及一种切割电离层获得电流的绳系电缆机构，该绳系电缆机构中的电缆包括导电芯材和绝缘外皮，其中导电芯材是由碳基芯材和/或金属芯材并列排列或绞合而成。本发明的切割电离层获得电流的绳系电缆机构，可以实现在电离层中通过运动切割电离层，为空间设备空间供电，甚至用来发射无线电信号，具有良好的柔性、力学性能和空间性能，且拉伸强度和模量较高，不易断裂。 【EN】The invention relates to a rope-tied cable mechanism for cutting an ionized layer to obtain current, wherein a cable in the rope-tied cable mechanism comprises a conductive core material and an insulating sheath, wherein the conductive core material is formed by arranging or twisting carbon-based core materials and/or metal core materials in parallel. The rope-tied cable mechanism for cutting the ionized layer to obtain the current can cut the ionized layer in the ionized layer through movement, supplies power for space equipment space, even is used for transmitting radio signals, has good flexibility, mechanical property and space property, and has higher tensile strength and modulus, and is not easy to break.

摘要：【中文】本发明涉及电缆领域，具体公开了一种电缆，由多根碳基导体纤维绞合或编织而成。本发明实施例中的电缆能够满足航天领域的航天电力传输需求，使其具有更高的柔性，减轻了电缆的重量，并且工艺简单，适用于工业化生产。 【EN】The invention relates to the field of cables, and particularly discloses a cable which is formed by stranding or weaving a plurality of carbon-based conductor fibers. The cable in the embodiment of the invention can meet the aerospace power transmission requirement in the aerospace field, has higher flexibility, reduces the weight of the cable, has simple process and is suitable for industrial production.

摘要：【中文】本发明涉及一种碳纳米管纤维柔性电缆，该碳纳米管纤维柔性电缆由内至外依次包括导电体、抗拉材料层、滑动层和绝缘层，该导电体由多根碳纳米管纤维或者多根碳纳米管纤维束绞合而成。本发明的碳纳米管纤维柔性电缆，导电性能好，质量轻，抗拉伸强度高，是一种高性能柔性电线。 【EN】The invention relates to a carbon nanotube fiber flexible cable which sequentially comprises a conductor, a tensile material layer, a sliding layer and an insulating layer from inside to outside, wherein the conductor is formed by twisting a plurality of carbon nanotube fibers or a plurality of carbon nanotube fiber bundles. The carbon nanotube fiber flexible cable has the advantages of good conductivity, light weight and high tensile strength, and is a high-performance flexible wire.

摘要：【中文】本发明涉及一种导热绝缘聚乙烯复合材料及制备方法，属于高分子材料加工技术领域。本发明使用硅烷偶联剂KH‑550对硅微粉进行干法改性，在其表面接上氨基（‑NH₂），接着按配方加入低密度聚乙烯树脂、相容剂，抗氧化剂和催化剂混合均匀，经双螺杆挤出机挤出，得到导热绝缘聚乙烯复合材料；通过相容剂PE‑g‑GMA引入环氧基，利用氨基与环氧基之间的反应增强聚合物基体与无机填料之间的连接，减少了声子界面散射，提高复合材料的导热性能、绝缘性能及力学性能。本发明复合材料的拉伸强度为14.2‑15.3 MPa，导热系数为0.68‑0.77 W·m^‑1·K^‑1，击穿电压为20.1‑35.2kV·mm^‑1。 【EN】The invention relates to a heat-conducting insulating polyethylene composite material and a preparation method thereof, belonging to the technical field of high polymer material processing. The invention uses silane coupling agent KH-550 to modify the silicon micropowder by dry method, and amino (-NH) is grafted on the surface of the silicon micropowder₂) Then adding low-density polyethylene resin, a compatilizer, an antioxidant and a catalyst according to the formula, uniformly mixing, and extruding by a double-screw extruder to obtain a heat-conducting insulating polyethylene composite material; by means of a compatibilizer PE-gGMA introduces epoxy groups, reinforcing the link between the polymer matrix and the inorganic filler by means of a reaction between amino groups and epoxy groupsAnd moreover, phonon interface scattering is reduced, and the heat conduction performance, the insulation performance and the mechanical property of the composite material are improved. The composite material has the tensile strength of 14.2-15.3 MPa and the heat conductivity of 0.68-0.77 W.m^‑1·K^‑1The breakdown voltage is 20.1-35.2kV · mm^‑1。

摘要：【中文】本发明涉及编码器，公开了一种编码器安装结构，包括编码器定子(1)、编码器转子(2)和编码器安装板(3)，所述编码器转子(2)通过所述编码器安装板(3)上的安装通孔安装于电机芯轴上，且该编码器转子(2)位于所述编码器定子(1)与所述编码器安装板(3)围设的空腔内，所述编码器定子(1)的安装端与所述编码器安装板(3)之间通过限位结构连接，以能够使所述编码器定子(1)卡接密封固定于所述编码器安装板(3)上。本发明还公开了一种电机。本发明利于电机小型化，还能够保证电机的密封性，实现较高的IP防护等级。 【EN】The invention relates to an encoder and discloses an encoder mounting structure which comprises an encoder stator (1), an encoder rotor (2) and an encoder mounting plate (3), wherein the encoder rotor (2) is mounted on a motor mandrel through a mounting through hole in the encoder mounting plate (3), the encoder rotor (2) is positioned in a cavity surrounded by the encoder stator (1) and the encoder mounting plate (3), and the mounting end of the encoder stator (1) is connected with the encoder mounting plate (3) through a limiting structure, so that the encoder stator (1) can be clamped and hermetically fixed on the encoder mounting plate (3). The invention also discloses a motor. The invention is beneficial to the miniaturization of the motor, can also ensure the sealing performance of the motor and realize higher IP protection level.