摘要：【中文】本发明提供一种马达直滑电位器，包括滑座、滑柄、马达、滑轮以及柔性且有齿的传动皮带；马达平行地固定于滑座底面的一端，马达的输出端设有皮带轮，滑轮设于滑座的另一端，皮带轮与滑轮的轴芯相互垂直，传动皮带的一端与皮带轮啮合，传动皮带的两侧各经一铰接的滚轮换向后沿长度方向穿过滑座且另一端套设于滑轮上，滚轮至滑轮之间的传动皮带与滑座平行，且滑柄由传动皮带带动滑行。通过在传动皮带的两侧各设置一铰接的滚轮来换向，使得马达在换向处功率损耗非常小，相比现有技术中的减小摩擦力、提高精度的方案，不仅传动精度更高、马达直滑电位器的结构更简单，而且对不同松紧程度的传动皮带有一个较宽的适应范围。 【EN】The invention provides a motor direct-sliding potentiometer, which comprises a sliding seat, a sliding handle, a motor, a pulley and a flexible and toothed transmission belt, wherein the sliding seat is arranged on the sliding handle; the motor is fixed in the one end of slide bottom surface parallelly, and the output of motor is equipped with the belt pulley, and the other end of slide is located to the pulley, and the axle core mutually perpendicular of belt pulley and pulley, the one end and the belt pulley meshing of drive belt, the both sides of drive belt respectively through a articulated roll with backward pass the slide and another pot head locate the pulley along length direction, the drive belt between gyro wheel and the pulley is parallel with the slide, and the sliding handle is slided by drive belt drive. The two sides of the transmission belt are respectively provided with the hinged roller for reversing, so that the power loss of the motor at the reversing position is very small, compared with the scheme of reducing friction force and improving precision in the prior art, the motor direct-sliding potentiometer has the advantages of higher transmission precision and simpler structure, and has a wider application range to the transmission belts with different tightness degrees.

摘要：【中文】本发明公开了一种触控显示装置，包括：显示面板，支撑结构，黏胶层；黏胶层具有用于分散由显示面板在弯折时产生的应力的结构。在显示面板进行弯折时，显示面板中的所有组件均会由于弯折拉伸产生不同程度的错动及向两侧扩展，从而产生错动力即应力，该应力通过黏胶层传导至电路区，使得黏胶层与电路区固定的位置成为应力集中处，集中的应力会拉扯电路区的电路走线，导致电路区走线发生变形甚至崩开的风险，本发明通过在黏胶层中设置具有用于分散由显示面板在弯折时产生的应力的结构，这样显示面板弯折时产生的应力会被分散减弱，而不会使应力一直集中在黏胶层与电路区固定的位置处，从而降低电路区走线发生变形甚至崩开的问题。 【EN】The invention discloses a touch display device, comprising: the display panel, the supporting structure and the adhesive layer; the adhesive layer has a structure for dispersing stress generated by the display panel when being bent. When the display panel is bent, all components in the display panel can generate dislocation of different degrees and expand towards two sides due to bending and stretching, so that dislocation force, namely stress is generated, the stress is conducted to the circuit area through the adhesive layer, the fixed position of the adhesive layer and the circuit area becomes a stress concentration position, the concentrated stress can pull circuit wiring of the circuit area, and the risk that the circuit area wiring is deformed or even cracked is caused.

摘要：【中文】本发明提供了一种显示基板及其制备方法、显示装置。该显示基板的制备方法，其特征在于，包括：在基底之上形成显示区、围绕所述显示区四周的边框区、位于所述显示区中的开孔区以及位于所述显示区与所述开孔区之间的过渡区；形成覆盖所述显示区、所述开孔区和所述过渡区的封装薄膜层；采用构图工艺将所述开孔区和所述过渡区之上的封装薄膜层去除，形成覆盖所述显示区的封装层；以解决现有封装方案存在段差，导致封装不紧密，影响屏幕良率等问题。 【EN】The invention provides a display substrate, a preparation method thereof and a display device. The preparation method of the display substrate is characterized by comprising the following steps: forming a display area, a frame area surrounding the periphery of the display area, an opening area positioned in the display area and a transition area positioned between the display area and the opening area on a substrate; forming an encapsulation film layer covering the display region, the open region and the transition region; removing the packaging thin film layer on the opening region and the transition region by adopting a composition process to form a packaging layer covering the display region; the problems that the existing packaging scheme has poor section, so that the packaging is not tight, the screen yield is influenced and the like are solved.

摘要：【中文】本发明公开了一种用于充电桩的定期自动检测装置，包括电动汽车充电模拟模块、电路检测模块，电动汽车充电模拟模块设置负载电路、充电接口，充电接口与负载电路的输入端电连接，电路检测模块设置电压电流检测电路、控制器和通讯模块，电压电流检测电路输入端与电动汽车充电模拟模块内的负载电路连接，电压电流检测电路的输出端与控制器电连接，控制器通过电动汽车充电模拟模块里的通讯电缆与充电桩通讯连接，控制器还通过无线通讯模块与运维服务中心通讯连接。本发明能够完整的模拟人操作电动汽车充电的过程并及时实现故障检测。 【EN】The invention discloses a regular automatic detection device for a charging pile, which comprises an electric automobile charging simulation module and a circuit detection module, wherein the electric automobile charging simulation module is provided with a load circuit and a charging interface, the charging interface is electrically connected with the input end of the load circuit, the circuit detection module is provided with a voltage and current detection circuit, a controller and a communication module, the input end of the voltage and current detection circuit is connected with the load circuit in the electric automobile charging simulation module, the output end of the voltage and current detection circuit is electrically connected with the controller, the controller is in communication connection with the charging pile through a communication cable in the electric automobile charging simulation module, and the controller is also in communication connection with an operation and maintenance service center through a wireless communication module. The invention can completely simulate the charging process of the electric automobile operated by people and realize fault detection in time.

摘要：【中文】本发明提供一种低损耗模块化多电平直流变压器的直流侧故障穿越方法，其中：变压器包括两个子系统和一个三相工频变压器。每个子系统分为三个相单元，每一个单元分上下桥臂，每个桥臂包括若干个串联的子模块，子模块由两个半桥结构、四个电容和两个续流二极管组成，第一个半桥包括第一开关模块和第二开关模块，第二个半桥包括第三开关模块和第四开关模块；第一开关模块的负极与第二开关模块的正极相连，第二开关模块的负极与第三开关模块的正极相连，第三开关模块的负极与第四开关模块的正极相连；在直流变压器一侧母线发生双极短路故障的情况下，封锁所有全控开关的触发脉冲，强制使电流切换路径，流过子模块内的电容，从而阻断故障电流。 【EN】The invention provides a direct current side fault ride-through method of a low-loss modular multi-level-to-level converter, which comprises the following steps: the transformer comprises two subsystems and a three-phase power frequency transformer. Each subsystem is divided into three phase units, each unit is divided into an upper bridge arm and a lower bridge arm, each bridge arm comprises a plurality of sub-modules which are connected in series, each sub-module consists of two half-bridge structures, four capacitors and two freewheeling diodes, the first half-bridge comprises a first switch module and a second switch module, and the second half-bridge comprises a third switch module and a fourth switch module; the negative electrode of the first switch module is connected with the positive electrode of the second switch module, the negative electrode of the second switch module is connected with the positive electrode of the third switch module, and the negative electrode of the third switch module is connected with the positive electrode of the fourth switch module; when a bus on one side of the direct current transformer has a bipolar short-circuit fault, the trigger pulses of all the full-control switches are blocked, and the current is forced to switch paths and flow through the capacitors in the sub-modules, so that the fault current is blocked.

摘要：【中文】本发明提供一种具备故障阻断能力的低损耗的模块化多电平直流变压器，包括两个子系统和一个三相工频变压器，每个子系统包括三个相单元，每一个相单元分上、下桥臂，每个桥臂包括若干个串联的子模块，所述子模块拓扑由两个半桥结构、四个电容和两个续流二极管组成，所述半桥结构中，第一个半桥包括第一开关模块和第二开关模块，第二个半桥包括第三开关模块和第四开关模块；所述第一开关模块的负极与所述第二开关模块的正极相连，所述第二开关模块的负极与所述第三开关模块的正极相连，所述第三开关模块的负极与所述第四开关模块的正极相连。本发明通过控制开关模块的开断即可实现直流侧短路的故障阻断，同时不会增加损耗。 【EN】The invention provides a low-loss modular multilevel DC transformer with fault blocking capability, which comprises two subsystems and a three-phase power frequency transformer, wherein each subsystem comprises three phase units, each phase unit is divided into an upper bridge arm and a lower bridge arm, each bridge arm comprises a plurality of serially connected submodules, the submodule topology comprises two half-bridge structures, four capacitors and two freewheeling diodes, in each half-bridge structure, a first half-bridge comprises a first switch module and a second switch module, and a second half-bridge comprises a third switch module and a fourth switch module; the negative electrode of the first switch module is connected with the positive electrode of the second switch module, the negative electrode of the second switch module is connected with the positive electrode of the third switch module, and the negative electrode of the third switch module is connected with the positive electrode of the fourth switch module. According to the invention, the fault blocking of the direct-current side short circuit can be realized by controlling the on-off of the switch module, and meanwhile, the loss is not increased.

摘要：【中文】本发明公开了一种可脱网运行的微机保护系统，包括微机继电保护装置、能源切换模块、能源采集模块，能源采集模块为风电子模块、水电子模块、光电子模块中的至少一种或多种，能源切换模块由控制器、继电器驱动芯片、电信号采集模块、多个功率继电器构成，控制器通过继电器驱动芯片与各个功率继电器控制连接，由各个功率继电器的常开触点在电源电网、能源采集模块中各个子模块与微机继电保护装置之间构建供电链路。本发明中可保证微机保护装置持续脱网运行。 【EN】The invention discloses a microcomputer protection system capable of running off network, which comprises a microcomputer relay protection device, an energy switching module and an energy acquisition module, wherein the energy acquisition module is at least one or more of a wind power submodule, a water and electricity submodule and a photoelectric submodule, the energy switching module is composed of a controller, a relay driving chip, an electric signal acquisition module and a plurality of power relays, the controller is in control connection with each power relay through the relay driving chip, and a power supply link is constructed between each submodule in a power grid and the energy acquisition module and the microcomputer relay protection device through a normally open contact of each power relay. The invention can ensure the continuous off-line operation of the microcomputer protection device.

摘要：【中文】本发明提供一种低损耗模块化多电平直流直流变换器的故障穿越方法，其中：变换器包括三个相单元，每一个相单元分三个桥臂，低压侧桥臂由若干个串联的子模块组成，子模块由两个半桥结构、四个电容和两个续流二极管组成，第一个半桥包括第一开关模块和第二开关模块，第二个半桥包括第三开关模块和第四开关模块；第一开关模块的负极与第二开关模块的正极相连，第二开关模块的负极与第三开关模块的正极相连，第三开关模块的负极与第四开关模块的正极相连；在直流输电系统中，当高压或低压侧发生双极短路故障时，关闭所有全控开关，强迫电流流经续流二极管，并通过电容，实现故障阻断。本发明可实现直流侧短路的故障阻断，同时不会增加损耗。 【EN】The invention provides a fault ride-through method of a low-loss modular multilevel direct-current converter, which comprises the following steps: the converter comprises three phase units, each phase unit is divided into three bridge arms, a low-voltage side bridge arm is composed of a plurality of serially connected sub-modules, each sub-module is composed of two half-bridge structures, four capacitors and two freewheeling diodes, a first half-bridge comprises a first switch module and a second switch module, and a second half-bridge comprises a third switch module and a fourth switch module; the negative electrode of the first switch module is connected with the positive electrode of the second switch module, the negative electrode of the second switch module is connected with the positive electrode of the third switch module, and the negative electrode of the third switch module is connected with the positive electrode of the fourth switch module; in a direct current transmission system, when a bipolar short circuit fault occurs on a high-voltage side or a low-voltage side, all full-control switches are closed, current is forced to flow through a freewheeling diode, and fault blocking is realized through a capacitor. The invention can realize the fault blocking of the direct current side short circuit without increasing the loss.

摘要：【中文】本发明公开了一种模块化便携式通信与导航测试仪，包括下壳体和上面板，所述下壳体上设有信号处理模块和电源模块；所述信号处理模块设于下壳体内，所述信号处理模块包括高频盒体和设于高频盒体上的信号处理板；所述电源模块包括电源板和电池，所述电源板设于下壳体内，所述电池设于下壳体背部，用于对电源板提供能源；所述上面板包括上壳体和显示屏，所述上壳体盖合于下壳体上，所述显示屏设于所述上壳体上。本发明中的测试仪采用模块化设计，使得测试仪内部布局美观，且模块化后便于在故障时对各模块进行快速更换维修，有利于提高故障处理效率。 【EN】The invention discloses a modularized portable communication and navigation tester, which comprises a lower shell and an upper panel, wherein the lower shell is provided with a signal processing module and a power supply module; the signal processing module is arranged in the lower shell and comprises a high-frequency box body and a signal processing board arranged on the high-frequency box body; the power module comprises a power panel and a battery, the power panel is arranged in the lower shell, and the battery is arranged at the back of the lower shell and used for providing energy for the power panel; the upper panel comprises an upper shell and a display screen, the upper shell covers the lower shell, and the display screen is arranged on the upper shell. The tester provided by the invention adopts a modular design, so that the internal layout of the tester is attractive, and after modularization, the modules are convenient to replace and maintain quickly during fault, and the fault treatment efficiency is improved.

摘要：【中文】本发明公开了一种可输出多路多种电压等级的直流屏，包括电压调节控制器，以及接触器组、蓄电池组；蓄电池组由多个依次串联的蓄电池构成，多个蓄电池均分为多个子组，蓄电池组整体串联结构的两端、相邻子组之间结点分别作为节点并引出有导线；接触器组由多个接触器构成，各个节点的导线一一对应与各个接触器的一端连接，蓄电池组整体串联结构的正极端节点对应的接触器另一端作为公用正极端，其余节点对应的接触器另一端作为负极端，公用正极端与每个负极端之间分别连接负载，电压调节控制器与接触器的线圈连接。本发明可为电力设备现场不同工作电压的用电设备提供不同等级电压的电源。 【EN】The invention discloses a direct current screen capable of outputting a plurality of paths of voltage grades, which comprises a voltage regulation controller, a contactor group and a storage battery pack, wherein the contactor group is connected with the storage battery pack; the storage battery pack is composed of a plurality of storage batteries which are sequentially connected in series, the storage batteries are equally divided into a plurality of subgroups, and two ends of the overall series structure of the storage battery pack and nodes between adjacent subgroups are respectively used as nodes and lead wires are led out; the contactor group is composed of a plurality of contactors, leads of all nodes are connected with one end of each contactor in a one-to-one correspondence mode, the other end, corresponding to the positive end node, of the storage battery pack is used as a public positive end, the other end, corresponding to the other nodes, of each contactor is used as a negative end, a load is connected between the public positive end and each negative end, and the voltage regulation controller is connected with coils of the contactors. The invention can provide power supplies with different grades of voltages for electric equipment with different working voltages on the spot.