摘要：【中文】本发明提供了一种主备节点热切换方法、区块链系统、区块链节点及介质，所述方法包括：当第一节点作为区块链系统中的同步节点时，获取记录的最近N个区块中所述第一节点及第二节点在每个区块的存活状态；其中，所述第一节点与第二节点互为备选节点，且在所述第一节点作为同步节点时，所述第二节点作为验证人节点参与共识；当所述第二节点在最近N个区块都处于非存活状态，且所述第一节点在最近N个区块都处于存活状态时，将所述第一节点切换为验证人节点。本发明能够基于共识状态采用主备切换的方式避免了单点故障问题，且主备节点之间能够不冲突的自动进行身份的切换，保证了区块链系统中服务的持续可用性，并同时提升了区块链网络的稳健性及可靠性。 【EN】The invention provides a hot switching method of a main node and a standby node, a block chain system, a block chain node and a medium, wherein the method comprises the following steps: when the first node is used as a synchronous node in a block chain system, acquiring the survival state of the first node and the second node in each block in the latest N blocks; the first node and the second node are alternative nodes, and when the first node is used as a synchronous node, the second node is used as a verifier node to participate in consensus; and when the second node is in a non-survival state in the last N blocks and the first node is in a survival state in the last N blocks, switching the first node into a verifier node. The invention can avoid the problem of single point fault by adopting a main/standby switching mode based on the consensus state, and the main/standby nodes can automatically switch identities without conflict, thereby ensuring the continuous availability of services in the block chain system and simultaneously improving the robustness and reliability of the block chain network.

摘要：【中文】本发明提供了一种集装箱电子通风器和集装箱。所述集装箱具有LoRa设备，所述电子通风器包括壳体、主控制器、LoRa模块、通信模块和电源模块。所述主控制器设置在所述壳体内；所述LoRa模块设置在所述壳体中且电连接至所述主控制器，并用于与所述LoRa设备通信；所述通信模块设置在所述壳体中且电连接至所述主控制器，并用于与服务器通信；以及所述电源模块设置在所述壳体中且用于给所述主控制器、所述LoRa模块和所述通信模块供电。根据本发明的电子通风器，电子通风器具有LoRa模块，使得电子通风器能够与外部的LoRa设备进行通信，并且能够将与LoRa设备交互的数据通过通讯模块传递给服务器，电子通风器具有功耗小、体积小的优点。 【EN】The invention provides an electronic ventilator for a container and the container. The container has a loRa device, the electronic ventilator includes casing, main control unit, loRa module, communication module and power module. The main controller is arranged in the shell; the LoRa module is disposed in the housing and electrically connected to the main controller, and is configured to communicate with the LoRa device; the communication module is arranged in the shell and electrically connected to the main controller and is used for communicating with a server; and the power module is arranged in the shell and used for supplying power to the main controller, the LoRa module and the communication module. According to the electronic ventilator provided by the invention, the electronic ventilator is provided with the LoRa module, so that the electronic ventilator can be communicated with external LoRa equipment, and data interacted with the LoRa equipment can be transmitted to the server through the communication module, and the electronic ventilator has the advantages of low power consumption and small size.

摘要：【中文】本发明提供了一种铝合金弧焊处理方法，包括：获取待处理的铝合金零件，该铝合金零件的初始状态为F态；对所述铝合金零件进行固溶处理；将固溶热处理后的所述铝合金零件进行淬火，使所述铝合金零件处于W态；对淬火后的所述铝合金零件进行焊接，以形成零件分总成或总成；在白车身涂装线上，对白车身进行涂装漆固化烘烤的同时，对所述零件分总成或总成进行时效处理。本发明提供的铝合金弧焊处理方法，能够提升焊缝接头的强度，实测表明，相比现有技术，铝弧焊后焊接接头的强度提升了10％，且该方法在涂装漆固化的同时进行焊缝时效处理，能够缩短工艺流程，节省能耗，减少零件变形。 【EN】The invention provides an aluminum alloy arc welding treatment method, which comprises the following steps: obtaining an aluminum alloy part to be treated, wherein the initial state of the aluminum alloy part is an F state; carrying out solution treatment on the aluminum alloy part; quenching the aluminum alloy part after the solution heat treatment to enable the aluminum alloy part to be in a W state; welding the quenched aluminum alloy parts to form part subassemblies or assemblies; and on a body-in-white coating line, curing and baking the coating paint of the body-in-white, and simultaneously carrying out aging treatment on the part sub-assembly or assembly. The aluminum alloy arc welding treatment method provided by the invention can improve the strength of the welding joint, and the actual measurement shows that compared with the prior art, the strength of the welding joint after aluminum arc welding is improved by 10%, and the method can shorten the process flow, save the energy consumption and reduce the part deformation by carrying out the welding seam aging treatment while coating paint is cured.

摘要：【中文】本发明公开了一种预处理装置及烘干设备，其属于锂离子电池生产领域，该预处理装置用于对涂覆有安全涂层的极片在进入烘干箱前进行预烘干和整形，其包括平整结构和第一烘干机构，其中平整结构具有供涂覆有安全层的极片穿过的通道，且通道在极片的厚度方向上的两侧之间的间距可调；第一烘干机构设置于平整结构上，且被配置为预烘干涂覆有安全涂层的极片。平整结构具有供涂覆有安全层的极片穿过的通道以平整穿过该通道的极片，避免了极片边缘的卷曲，提高了极片的产品质量。同时第一烘干机构对安全涂层进行加热预烘干，避免了安全涂层粘附于烘干箱内的辊压辊，进一步提高了极片的产品质量和生产效率。 【EN】The invention discloses a pretreatment device and drying equipment, belonging to the field of lithium ion battery production, wherein the pretreatment device is used for pre-drying and shaping a pole piece coated with a safety coating before entering a drying box, and comprises a leveling structure and a first drying mechanism, wherein the leveling structure is provided with a channel for the pole piece coated with the safety coating to pass through, and the distance between two sides of the channel in the thickness direction of the pole piece is adjustable; the first drying mechanism is arranged on the leveling structure and is configured to pre-dry the pole piece coated with the safety coating. The flattening structure is provided with a channel for the pole piece coated with the safety layer to pass through so as to flatten the pole piece passing through the channel, thereby avoiding the curling of the edge of the pole piece and improving the product quality of the pole piece. And meanwhile, the first drying mechanism heats and pre-dries the safety coating, so that the safety coating is prevented from being adhered to a roller in a drying box, and the product quality and the production efficiency of the pole piece are further improved.

摘要：【中文】本发明提供了一种车身总成及汽车，该车身总成包括车架、防撞组件和补强组件，防撞组件包括固定支架和防撞梁，固定支架设于车架的前端，补强组件包括补强柱、补强横梁、第一补强座、第二补强座及第三补强座，第二补强座设于车架的内壁，第三补强座设于车架的底部，第二补强座上设有多个补强板，补强板的侧壁上设有多个装配柱，第三补强座包括多个固定板和支撑板，固定板的侧壁上设有固定孔，固定孔内设有固定柱，支撑板上设有支撑柱。本发明通过补强横梁的设计，提高了车架底部结构的稳定性，通过第二补强座的设计，提高了车架前端、后端与补强横梁之间结构的稳定性，通过第三补强板的设计，提高了车架底部与补强横梁之间结构的稳定性。 【EN】The invention provides a vehicle body assembly and a vehicle, wherein the vehicle body assembly comprises a vehicle frame, an anti-collision component and a reinforcing component, the anti-collision component comprises a fixing support and an anti-collision beam, the fixing support is arranged at the front end of the vehicle frame, the reinforcing component comprises a reinforcing column, a reinforcing cross beam, a first reinforcing seat, a second reinforcing seat and a third reinforcing seat, the second reinforcing seat is arranged on the inner wall of the vehicle frame, the third reinforcing seat is arranged at the bottom of the vehicle frame, a plurality of reinforcing plates are arranged on the second reinforcing seat, a plurality of assembling columns are arranged on the side walls of the reinforcing plates, the third reinforcing seat comprises a plurality of fixing plates and supporting plates, fixing holes are formed in the side walls of the fixing plates, fixing columns are arranged in the fixing holes. According to the invention, through the design of the reinforcing cross beam, the stability of the structure at the bottom of the frame is improved, through the design of the second reinforcing seat, the stability of the structures between the front end and the rear end of the frame and the reinforcing cross beam is improved, and through the design of the third reinforcing plate, the stability of the structure between the bottom of the frame and the reinforcing cross beam is improved.

摘要：【中文】本发明公开了一种曲轴隔振减振装置，包括轮毂、固套于轮毂外周面的橡胶圈、固套于橡胶圈外周面的惯量环以及外套于惯量环的皮带轮；皮带轮能够相对惯量环转动；皮带轮的左端设置端壳；轮毂的轮辐、轮毂的内周面以及端壳围合成容纳腔；容纳腔内设有刚度范围为0.5‑2Nm/°的第一弹性体、刚度范围为3‑8Nm/°的第二弹性体、位于两者之间的刚性传动板；第一弹性体的左端与端壳固连、右端与传动板固连；第二弹性体的左端与传动板固连、右端与轮辐固连。此外，还包括当传动板相对皮带轮转动过第一角度后使两者同步的第一同步机构以及当轮毂相对传动板转动过第二角度后使两者同步的第二同步机构。该曲轴隔振减振装置具有较好的隔振减振效果和抗疲劳失效能力。 【EN】The invention discloses a crankshaft vibration isolation and damping device which comprises a hub, a rubber ring fixedly sleeved on the peripheral surface of the hub, an inertia ring fixedly sleeved on the peripheral surface of the rubber ring and a belt pulley externally sleeved on the inertia ring, wherein the rubber ring is fixedly sleeved on the peripheral surface of the rubber ring; the pulley is capable of rotating relative to the inertia ring; the left end of the belt pulley is provided with an end shell; the spoke of the hub, the inner circumferential surface of the hub and the end shell are enclosed to form an accommodating cavity; a first elastic body with the rigidity range of 0.5-2 Nm/degree, a second elastic body with the rigidity range of 3-8 Nm/degree and a rigid transmission plate positioned between the first elastic body and the second elastic body are arranged in the accommodating cavity; the left end of the first elastic body is fixedly connected with the end shell, and the right end of the first elastic body is fixedly connected with the transmission plate; the left end of the second elastic body is fixedly connected with the transmission plate, and the right end of the second elastic body is fixedly connected with the spoke. In addition, the synchronous pulley further comprises a first synchronous mechanism which enables the transmission plate and the pulley to be synchronous after rotating for a first angle relative to the pulley and a second synchronous mechanism which enables the transmission plate and the pulley to be synchronous after rotating for a second angle relative to the transmission plate. The crankshaft vibration isolation and damping device has good vibration isolation and damping effects and fatigue failure resistance.

摘要：【中文】本发明公开了一种适用于油气水同产水平井积液判别方法，通过获取气井参数，确定相应的参数，计算得到携液临界气流速，然后确定气井携液临界流量，最后将得到的气井携液临界流量与气井日产气量对比，若日产气量大于气井携液临界流量表明气井能正常携液，未发生积液现象；若日产气量小于气井携液临界流量则表明气井携液困难，井底可能存在积液，应及时介入泡排或开展其他排水采气措施；本发明算法是基于液体回落思想，较采用液滴模型和液膜模型判断的积液时机更准确，现场应用误差更小，且考虑了油相、井斜角影响，能适用于油气水同产水平井携液临界流量计算。 【EN】The invention discloses a liquid accumulation judging method suitable for an oil-gas-water co-production horizontal well, which comprises the steps of obtaining parameters of a gas well, determining corresponding parameters, calculating to obtain a liquid-carrying critical airflow rate, then determining a liquid-carrying critical flow rate of the gas well, and finally comparing the obtained liquid-carrying critical flow rate of the gas well with the daily gas production rate of the gas well, wherein if the daily gas production rate is greater than the liquid-carrying critical flow rate of the gas well, the gas well can carry liquid normally and liquid accumulation phenomenon does not occur; if the daily gas production is less than the critical liquid carrying flow of the gas well, the gas well is difficult to carry liquid, accumulated liquid possibly exists at the bottom of the well, and foam drainage or other drainage gas production measures are required to be introduced in time; the algorithm is based on the idea of liquid falling, the liquid accumulation time is more accurate compared with the liquid accumulation time judged by adopting a liquid drop model and a liquid film model, the field application error is smaller, the influence of an oil phase and a well inclination angle is considered, and the method can be suitable for calculating the liquid carrying critical flow of the oil-gas-water co-production horizontal well.