摘要：【中文】本发明提供了一种新风空调室内机，本发明的新风空调室内机，由于在传统空调室内机上新增有新风装置，因此在空调制冷或者制热过程中，即使关闭窗户，也可以通过新风装置将室外空气引入室内，为封闭的室内空间提供持续且新鲜的空气，从而增加室内空气的含氧量，杜绝空调病。新风装置出风口和室内机进风口之间的距离与出风口沿机壳横向的长度之比设置在2：1至1:1之间。这样设置由出风口送出的气流更容易再次被进风口吸入，以使得由出风口送出的风更多地进入到进风口内，并与换热器换热。送入室内的室外新风经室内机换热器换热后，迅速达到室内设置的温度，使室内温度不会出现大幅波动，保持室内温度的稳定，给用户一个舒适健康的环境。 【EN】The invention provides a fresh air conditioner indoor unit, which is characterized in that a fresh air device is additionally arranged on the traditional air conditioner indoor unit, so that even if a window is closed in the air conditioner refrigerating or heating process, outdoor air can be introduced into a room through the fresh air device to provide continuous and fresh air for a closed indoor space, thereby increasing the oxygen content of the indoor air and avoiding air conditioner diseases. The distance between fresh air device air outlet and the indoor set air intake and the air outlet along the horizontal length of casing ratio setting are 2: 1 to 1: 1. The air flow sent out by the air outlet is arranged to be easily sucked by the air inlet again, so that more air sent out by the air outlet enters the air inlet and exchanges heat with the heat exchanger. The indoor fresh air is sent into the indoor room and is subjected to heat exchange through the indoor unit heat exchanger, the indoor temperature is rapidly increased, the indoor temperature cannot fluctuate greatly, the indoor temperature is kept stable, and a comfortable and healthy environment is provided for users.

摘要：【中文】本发明公开了一种工程机械用钢板及制备方法。所述钢板的化学成分及重量百分比含量为：C：0.10％‑0.17％、Si：0.15％‑0.40％、Mn：1.10％‑1.70％、S≤0.015％、P≤0.025％、Nb≤0.6％，V≤0.1％，Ti：0.005‑0.035％、Ni：0.15‑0.5％，Cr：0.10％‑0.5％、Mo：0.20％‑0.50％，B≤0.0025％，其余为Fe和微量杂质。本发明通过Nb、V、Ti、Cr、Mo等合金元素的复合添加，合理的Si、Mn含量设计，通过4300mm双机架轧制及调质(淬火+回火)等工艺技术的实施，在低压缩比的情况下获得100‑110mm大厚度高强度工程机械用钢板。钢板拉伸强度、‑20℃低温冲击功、Z向性能稳定，满足了低压缩比情况下批量生产大厚规格高强度工程机械用钢的需要。 【EN】The invention discloses a steel plate for engineering machinery and a preparation method thereof. The steel plate comprises the following chemical components in percentage by weight: c: 0.10% -0.17%, Si: 0.15% -0.40%, Mn: 1.10-1.70%, S is less than or equal to 0.015%, P is less than or equal to 0.025%, Nb is less than or equal to 0.6%, V is less than or equal to 0.1%, Ti: 0.005-0.035%, Ni: 0.15-0.5%, Cr: 0.10% -0.5%, Mo: 0.20 to 0.50 percent, less than or equal to 0.0025 percent of B, and the balance of Fe and trace impurities. According to the invention, the steel plate for the engineering machinery with the large thickness and the high strength of 100 plus 110mm is obtained under the condition of low compression ratio by the composite addition of alloy elements such as Nb, V, Ti, Cr, Mo and the like, reasonable Si and Mn content design, and implementation of process technologies such as 4300mm double-stand rolling and tempering (quenching and tempering). The steel plate has stable tensile strength, low-temperature impact energy at-20 ℃ and Z-direction performance, and meets the requirement of mass production of steel for large-thickness high-strength engineering machinery under the condition of low compression ratio.

摘要：【中文】本发明公开了一种用于矿井环境服役的Q690耐蚀钢及其制备方法，所述Q690耐蚀钢的成分按重量比为：C:0.04～0.10％，Mn:0.5～1.0％，Si:0.2～0.35％，Cr:1.3～1.7％，S:≤0.005％，P:≤0.008％，Al:≤0.035％，Nb:0.02～0.03％，Zr:0.015～0.025％，余量为Fe，制备方法为：1)使用真空冶炼炉冶炼后进行锻造；2)将钢坯在1180℃‑1230℃加热保温，采用高温慢速大压下技术，800‑880℃终轧后，在线淬火；3)钢板加热至910℃‑930℃进行奥氏体化，然后水冷；4)在590℃‑610℃回火处理，随后空冷。本发明耐蚀钢的屈服强度高于690MPa，抗拉强度为780‑940MPa，在典型服役矿井环境服役下的腐蚀速率为0.12‑0.14mm/a。 【EN】The invention discloses Q690 corrosion-resistant steel for mine environment service and a preparation method thereof, wherein the Q690 corrosion-resistant steel comprises the following components in percentage by weight: 0.04-0.10% of C, 0.5-1.0% of Mn, 0.2-0.35% of Si, 1.3-1.7% of Cr, less than or equal to 0.005% of S, less than or equal to 0.008% of P, less than or equal to 0.035% of Al, 0.02-0.03% of Nb, 0.015-0.025% of Zr and the balance of Fe, wherein the preparation method comprises the following steps: 1) forging after smelting by using a vacuum smelting furnace; 2) heating and insulating the billet at 1180-1230 ℃, adopting a high-temperature slow-speed high-pressure technology, finishing rolling at 800-880 ℃, and then carrying out on-line quenching; 3) heating the steel plate to 910-930 ℃ for austenitizing, and then cooling with water; 4) tempering at 590-610 deg.c and subsequent air cooling. The yield strength of the corrosion-resistant steel is higher than 690MPa, the tensile strength is 780-940MPa, and the corrosion rate under the service of a typical service mine environment is 0.12-0.14 mm/a.

摘要：【中文】本发明公开了一种基于元数据的自动质量监测方法及终端，通过采集待监测产品的元数据信息，根据所述元数据信息，对所述产品进行监测，若监测结果异常，则自动进行故障确认，分析确认的故障，基于元数据信息评估所述故障影响的服务范围，可以实现自动对产品的监测、故障排查，减少了产品监测与维护阶段的人工投入，提高效率，且基于元数据进行质量监测能胜任不同产品的监测任务，适用性广，尤其适用于快速迭代交付且结构复杂的产品。 【EN】The invention discloses an automatic quality monitoring method and a terminal based on metadata, which can realize automatic monitoring and fault troubleshooting of products by acquiring metadata information of products to be monitored, monitoring the products according to the metadata information, automatically performing fault confirmation if a monitoring result is abnormal, analyzing confirmed faults, and evaluating the service range influenced by the faults based on the metadata information, thereby reducing the manual input in the product monitoring and maintaining stages, improving the efficiency, being capable of performing quality monitoring based on the metadata to be competent for monitoring tasks of different products, having wide applicability and being particularly suitable for fast iterative delivery of the products with complex structures.

摘要：【中文】本发明公开一种V‑N微合金化钢中厚板及其生产工艺，按重要百分比计，所述中厚板的化学成分包括：C：0.08‑0.20％，Si：0.1‑0.6％，Mn：1.0‑2.0％，P：0.001‑0.020％，S：0.001‑0.010％，Cr：0.10‑0.40％，Nb：0.01‑0.08％，V：0.01‑0.15％，Al：0.01‑0.06％，N：0.01‑0.02％，余量为Fe和少量部分不可避免的杂质元素；该生产工艺包括以下步骤：1)连铸坯加热：出炉温度1190～1220℃，在炉时间3～5h；2)粗轧：纵轧道次压下率10～15％，总压下率不低于40％；3)精轧：开轧温度850～920℃，精轧终轧温度790～840℃；4)冷却：冷却入口温度750～790℃，冷却出口温度550～600℃，最后堆垛冷却到室温。本发明的钢板组织为细小的铁素体、贝氏体以及少量的珠光体和针状铁素体；具有头、中、尾部的性能差异小，组织均匀性好，可减少切头切尾的量，提高成材率2.0％以上。 【EN】The invention discloses a V-N microalloyed steel medium plate and a production process thereof, wherein the medium plate comprises the following chemical components in percentage by weight: c: 0.08-0.20%, Si: 0.1-0.6%, Mn: 1.0-2.0%, P: 0.001-0.020%, S: 0.001-0.010%, Cr: 0.10-0.40%, Nb: 0.01-0.08%, V: 0.01-0.15%, Al: 0.01-0.06%, N: 0.01-0.02%, the balance being Fe and a small amount of partially unavoidable impurity elements; the production process comprises the following steps: 1) heating a continuous casting blank: the discharging temperature is 1190-1220 ℃, and the in-furnace time is 3-5 h; 2) rough rolling: the rolling reduction of longitudinal rolling passes is 10-15%, and the total rolling reduction is not lower than 40%; 3) finish rolling: the initial rolling temperature is 850-920 ℃, and the finish rolling temperature is 790-840 ℃; 4) and (3) cooling: and cooling the inlet temperature to 750-790 ℃, cooling the outlet temperature to 550-600 ℃, and finally stacking and cooling to room temperature. The steel plate structure of the invention is fine ferrite, bainite and a small amount of pearlite and acicular ferrite; has small performance difference of head, middle and tail parts, good tissue uniformity, reduced head and tail cutting amount, and improved yield by more than 2.0%.

摘要：【中文】本发明涉及一种高效干燥装置及干燥方法，其中高效干燥装置包括罐体、固接于罐体内部的若干静料盘，以及穿过各静料盘的主轴，罐体上设有驱动主轴转动的驱动装置，相邻两层静料盘之间设有与主轴固接且沿周向分布的若干料仓；静料盘上开设有落料口，料仓的底部开设有与落料口对应的出料口，料仓顶部开设有入料口，最上层料仓的入料口与罐体的进料口对应；罐体侧壁上设有进风管和设有过滤网的出风口，所述进风管连通罐体内部与热风源。本发明通过设置多层落料装置控制物料下落，利用料仓的转动，使出料孔与落料口不断重合和交错，从而可使物料断续下落，而且每次物料的下落量都是先从小到大，然后从大到小，使得物料的烘干更加充分。 【EN】The invention relates to a high-efficiency drying device and a drying method, wherein the high-efficiency drying device comprises a tank body, a plurality of static material trays fixedly connected in the tank body, and a main shaft penetrating through each static material tray, wherein a driving device for driving the main shaft to rotate is arranged on the tank body, and a plurality of material bins which are fixedly connected with the main shaft and are distributed along the circumferential direction are arranged between two adjacent layers of static material trays; a blanking port is formed in the static material tray, a discharge port corresponding to the blanking port is formed in the bottom of the bin, a feeding port is formed in the top of the bin, and a feeding port of the bin on the uppermost layer corresponds to a feeding port of the tank body; the side wall of the tank body is provided with an air inlet pipe and an air outlet provided with a filter screen, and the air inlet pipe is communicated with the interior of the tank body and a hot air source. The invention controls the falling of the materials by arranging the multilayer blanking devices, and the rotation of the storage bin is utilized to enable the discharge holes and the blanking ports to be continuously superposed and staggered, so that the materials can fall intermittently, and the falling amount of the materials at each time is from small to large and then from large to small, so that the materials are dried more fully.

摘要：【中文】本发明公开了一种电动车专用充电口开闭结构的格栅，包括位于车体前端的格栅本体，所述格栅本体上设置有两个左右对称的凹槽，所述凹槽的底板上开设有用于安装充电头的通孔，所述充电头分别为快充充电头和慢充充电头，每个凹槽靠近栅格本体中心的一侧均通过翻转机构与防尘盖板相连，所述防尘盖板的另一侧均通过按压式锁扣与栅格本体相连。本发明有利于合理布置充电桩，节省停车位的占地面积，综合利用有限的土地资源；能够降低零部件损坏率，方便维修，更换，减轻用户的维修成本；其防尘盖板采用转轴设置在靠近栅格本体中心一侧的旋开式设计，使其开合口靠近车体两边，有效避免了充电时防尘盖板与充电线等的接触，方便了用户的充电操作。 【EN】The invention discloses a grid of a charging port opening and closing structure special for an electric vehicle, which comprises a grid body positioned at the front end of a vehicle body, wherein two grooves which are bilaterally symmetrical are arranged on the grid body, a through hole for installing a charging head is formed in a bottom plate of each groove, the charging heads are respectively a quick charging head and a slow charging head, one side of each groove, which is close to the center of the grid body, is connected with a dustproof cover plate through a turnover mechanism, and the other side of the dustproof cover plate is connected with the grid body through a pressing type lock catch. The invention is beneficial to reasonably arranging the charging pile, saves the occupied area of the parking space and comprehensively utilizes the limited land resources; the damage rate of parts can be reduced, the maintenance and the replacement are convenient, and the maintenance cost of a user is reduced; its dustproof cover plate adopts the pivot setting to be close to the design of unscrewing grid body center one side, makes its opening and shutting mouthful be close to the automobile body both sides, and the contact of dustproof cover plate and charging wire etc. has made things convenient for user's the operation of charging when effectively having avoided charging.