当前查询到31条专利与查询词 "Chen Zai"相关,搜索用时0.2187361秒!排序方式:
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申请号:201911203943.3 公开号:CN110907919A 主分类号:G01S7/481
摘要:【中文】本发明公开了一种车用激光雷达防护装置,包括安装支架、防护组件以及清洁装置,安装支架包括升降缓冲组件和导向组件,激光雷达安装在升降缓冲组件的上方;防护组件包括防护框架以及透光防护罩,防护框架镂空设置且笼罩在安装支架的上方,透光防护罩安装在升降缓冲组件的上方,并且激光雷达套装在透光防护罩的内部,导向组件为透光防护罩提供竖向导向;清洁装置的形状与透光防护罩的外围相互配合;激光雷达的驱动部通过传力组件驱使升降缓冲组件做间歇性升降运动,从而使透光防护罩与清洁装置的表面接触,本发明提高了雷达的使用寿命,对雷达受到撞击时起到防护作用,并且可以间歇性的对雷达进行清洁,提高激光雷达的测量精度。 【EN】The invention discloses a vehicle laser radar protection device which comprises a mounting bracket, a protection component and a cleaning device, wherein the mounting bracket comprises a lifting buffer component and a guide component; the protective assembly comprises a protective frame and a light-transmitting protective cover, the protective frame is arranged in a hollow manner and covers the mounting bracket, the light-transmitting protective cover is arranged above the lifting buffer assembly, the laser radar is sleeved in the light-transmitting protective cover, and the guide assembly provides vertical guide for the light-transmitting protective cover; the shape of the cleaning device is matched with the periphery of the light-transmitting protective cover; the driving part of the laser radar drives the lifting buffer component to do intermittent lifting motion through the force transmission component, so that the light-transmitting protective cover is in contact with the surface of the cleaning device.
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申请号:201911290754.4 公开号:CN110976421A 主分类号:B08B5/02
摘要:【中文】本发明公开了一种PCB板的自动清洗烘干装置,涉及PCB板制造技术领域,包括水平同轴设置对PCB板进行传送的传送组件一和传送组件二,所述传送组件一上设有机罩一,所述机罩一上自左向右依次设置有对PCB板进行吹灰、清洗和拭水的吹灰组件、清洗组件和拭水组件,所述传送组件二上设置有对对PCB板进行烘干的烘干组件,本发明通过设置吹灰组件、清洗组件、拭水组件、烘干组件对PCB板进行吹灰、清洗、拭水及烘干一体化连续处理,增加了PCB板处理过程的安全性,减少了PCB板清洗烘干过程造成的损坏,通过在弧形连接板下端设置四组结构相同且沿弧形连接板内侧均匀分布的风扇组件以及灯管座方向的改变,提高了吹灰的均匀性以及电热管对PCB板烘干的均匀性。 【EN】The invention discloses an automatic cleaning and drying device of a PCB, which relates to the technical field of PCB manufacturing and comprises a first conveying component and a second conveying component which are horizontally and coaxially arranged and used for conveying the PCB, wherein a first hood is arranged on the first conveying component, a soot blowing component, a cleaning component and a water wiping component for blowing soot, cleaning and wiping water for the PCB are sequentially arranged on the first hood from left to right, and a drying component for drying the PCB is arranged on the second conveying component. The soot blowing uniformity and the PCB drying uniformity of the electric heating tube are improved.
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申请号:201911322347.7 公开号:CN110980162A 主分类号:B65G35/00
摘要:【中文】本发明公开一种电路板的加工输送装置,包括输送轨道和输送载具,所述输送轨道为回字形,输送轨道的前侧边露出且下方设有基座,输送轨道的其他三边位于加工箱体内,所述输送轨道的前侧边中心处为起点位置涉及电路板加工制造领域,通过设置回型的输送轨道,使上下料位于一处,因此只需要一个工人或一个上下料机构即可完成上料和下料。同时设置输送载具可以使电路板保持固定,避免加工时旋转和打滑。通过若干驱动轮控制输送载具运动,灵活度高,且转向更方便。 【EN】The invention discloses a processing and conveying device of a circuit board, which comprises a conveying track and a conveying carrier, wherein the conveying track is in a shape like a Chinese character 'hui', the front side edge of the conveying track is exposed, a base is arranged below the front side edge of the conveying track, the other three edges of the conveying track are positioned in a processing box body, the center of the front side edge of the conveying track is a starting point position, the processing and manufacturing field of the circuit board is involved, and feeding and discharging are positioned at one position by arranging the Chinese character 'hui' type conveying track, so that feeding and discharging can be completed by only one. Meanwhile, the circuit board can be kept fixed by arranging the conveying carrier, and rotation and slipping during processing are avoided. The movement of the conveying carrier is controlled by the driving wheels, so that the flexibility is high, and the steering is more convenient.
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申请号:201911327587.6 公开号:CN110996545A 主分类号:H05K3/28
摘要:【中文】本发明公开了一种具有废气处理的PCB板烘烤装置,涉及PCB板加工的技术领域,包括支撑板、支撑框、支脚,支撑板的上端面居中安装有上下开口的烘烤仓,烘烤仓的下方设有左右朝向的输送带,烘烤仓的顶部安装有烘烤罩,烘烤罩的内侧顶部均布安装有安装板,安装板上固定有灯座,灯座上螺纹安装有烘烤灯,烘烤罩的前后斜板均布设有排烟管,排烟管内均安装有静音风扇,排烟管的顶部贯通连接有集烟罩,集烟罩的顶部贯通连接有C型的集烟管,集烟管的下端部贯通连接有散热管,散热管的中间贯通连接有L型的导烟管,前后两个导烟管通过三通接头连接有除烟管,支撑框的下部设有盛放无水乙醇的溶液桶,除烟管的下端部浸没于无水乙醇中。 【EN】The invention discloses a PCB baking device with waste gas treatment, which relates to the technical field of PCB processing and comprises a supporting plate, a supporting frame and supporting legs, wherein a baking bin with an upper opening and a lower opening is arranged in the middle of the upper end surface of the supporting plate, a conveying belt which faces left and right is arranged below the baking bin, a baking cover is arranged at the top of the baking bin, mounting plates are uniformly arranged at the top of the inner side of the baking cover, a lamp holder is fixed on each mounting plate, baking lamps are arranged on the lamp holder in a threaded manner, smoke exhaust pipes are uniformly arranged on front inclined plates and rear inclined plates of the baking cover, silent fans are arranged in the smoke exhaust pipes, a smoke collecting cover is connected with the top of each smoke exhaust pipe in a through manner, a C-shaped smoke collecting pipe is connected with the top of each smoke collecting pipe in a through manner, the lower end part of each smoke collecting pipe is connected with a radiating pipe in a through manner, an, the lower end of the smoke removing pipe is immersed in the absolute ethyl alcohol.
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申请号:201911377473.2 公开号:CN111019118A 主分类号:C08G65/28
摘要:【中文】本发明涉及一种黏度稳定、高分子量聚醚多元醇的制备方法,主要解决现有技术中存在制备高分子量聚醚多元醇时产品黏度相对高、产品质量不稳定、工艺复杂、间歇法生产产量低的问题,提供了一种新的黏度稳定、高分子量聚醚多元醇的制备方法。本发明通过采用高活性无定型的双金属氰化络合物催化剂DMC和500~2000分子量的聚醚多元醇混合均匀,得到物料A;连续地将物料A和氧化烯烃按比例加入到反应器Ⅰ中,停留时间至少30分钟;连续地将反应器Ⅰ中的聚醚多元醇转移至反应器Ⅱ中,停留时间至少30分钟;连续地出料得到黏度稳定、高分子量的聚醚多元醇的技术方案,较好地解决了上述问题,可应用于黏度稳定、质量稳定的高分子量聚醚多元醇的工业制备中。 【EN】The invention relates to a preparation method of high molecular weight polyether polyol with stable viscosity, mainly solves the problems of relatively high product viscosity, unstable product quality, complex process and low production yield of an intermittent method in the prior art when the high molecular weight polyether polyol is prepared, and provides a novel preparation method of high molecular weight polyether polyol with stable viscosity. The method comprises the steps of uniformly mixing a high-activity amorphous double-metal cyanide complex catalyst DMC and polyether polyol with the molecular weight of 500-2000 to obtain a material A; continuously adding the material A and the olefin oxide into the reactor I according to the proportion, and keeping the time for at least 30 minutes; continuously transferring the polyether polyol in the reactor I to the reactor II for a residence time of at least 30 minutes; the technical scheme of continuously discharging to obtain polyether polyol with stable viscosity and high molecular weight better solves the problems, and can be applied to the industrial preparation of polyether polyol with stable viscosity and stable quality and high molecular weight.
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申请号:201911322562.7 公开号:CN110972400A 主分类号:H05K3/00
摘要:【中文】本发明公开了一种PCB板烘烤装置,包括传送装置和分段烘烤机构,分段烘烤装置包括烘烤箱体,烘烤箱体的前后依次设置有预热区和烘烤区,烘烤区设置有加热组件,加热组件包括均匀分布的热气管组件以及用于对热气管组件内气体进行加热的供热元件,热气管组件上均匀分布有若干正对PCB板的热风出口;与加热组件正对的冲孔输送带的下方设置有用于吸收烘烤产生废气的第一吸气组件,第一吸气组件通过第一排气管连接有设置在预热区冲孔输送带下方用于对PCB板进行预加热的吹气组件,吹气组件正对的烘烤箱体上设置有第二吸气组件,第二吸气组件通过第二排气管连接有用于对烘烤区出来的PCB板进行冷却的冷却排风装置,本发明有效利用废气余热,并提高烘干效率。 【EN】The invention discloses a PCB baking device, which comprises a conveying device and a segmented baking mechanism, wherein the segmented baking device comprises a baking box body, a preheating area and a baking area are sequentially arranged in front of and behind the baking box body, a heating assembly is arranged in the baking area, the heating assembly comprises a hot air pipe assembly and a heat supply element, the hot air pipe assembly is uniformly distributed with a plurality of hot air outlets, and the hot air outlets are opposite to a PCB; the lower part of the punching conveyer belt opposite to the heating assembly is provided with a first air suction assembly for absorbing and baking waste gas, the first air suction assembly is connected with an air blowing assembly which is arranged below the punching conveyer belt of the preheating area and used for preheating the PCB through a first exhaust pipe, the baking box body opposite to the air blowing assembly is provided with a second air suction assembly, and the second air suction assembly is connected with a cooling exhaust device for cooling the PCB from the baking area through a second exhaust pipe.
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申请号:201911323012.7 公开号:CN110961392A 主分类号:B08B1/04
摘要:【中文】本发明公开了一种PCB板的除尘装置,涉及PCB板制造技术领域,包括后壳体、前壳体、除尘机构、驱动机构以及吸尘机构,所述后壳体与前壳体螺钉连接,所述前壳体正面开有送料口,所述除尘机构转动连接于后壳体内,所述驱动机构驱动除尘机构转动,所述吸尘机构设于后壳体顶端,本发明通过设置除尘机构对PCB板进行清扫,通过设置驱动机构驱动除尘机构围绕PCB板转动,实现PCB板无死角清扫,利用吸尘机构将清扫产生的灰尘吸走,不需要像使用超声波清洗装置进行清洗后还需要烘干等步骤,产生较大成本,且后壳体、前壳体侧面均设有连接件并通过螺钉连接,使得后壳体与前壳体安装定位准确,安装拆卸更快速,因此,除尘效率高,成本降低,适用于中小型企业。 【EN】The invention discloses a dust removal device for a PCB (printed circuit board), which relates to the technical field of PCB manufacturing and comprises a rear shell, a front shell, a dust removal mechanism, a driving mechanism and a dust collection mechanism, wherein the rear shell is connected with the front shell through a screw, the front surface of the front shell is provided with a feeding port, the dust removal mechanism is rotationally connected into the rear shell, the driving mechanism drives the dust removal mechanism to rotate, and the dust collection mechanism is arranged at the top end of the rear shell. The installation and disassembly are quicker, therefore, the dust removal efficiency is high, the cost is reduced, and the dust remover is suitable for small and medium-sized enterprises.
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申请号:201911377505.9 公开号:CN111040148A 主分类号:C08G65/28
摘要:【中文】本发明涉及一种黏度稳定、高分子量聚醚二元醇的制备方法,主要解决现有技术中存在制备高分子量聚醚二元醇时产品黏度相对较高、产品质量不稳定、间歇法生产产量低的问题,提供了一种新的黏度稳定、高分子量聚醚二元醇的制备方法。本发明通过采用高活性无定型的双金属氰化络合物催化剂DMC和低分子量聚醚二元醇混合均匀后,得到物料A;连续地将物料A和环氧丙烷PO按比例加入到反应器Ⅰ中,停留时间至少30分钟;连续地将反应器Ⅰ中的聚醚二元醇转移至反应器Ⅱ中,停留时间至少30分钟;连续地出料得到黏度稳定、高分子量聚醚二元醇的技术方案,较好地解决了上述问题,可应用于黏度稳定、质量稳定的高分子量聚醚二元醇的工业制备中。 【EN】The invention relates to a preparation method of polyether glycol with stable viscosity and high molecular weight, which mainly solves the problems of relatively high product viscosity, unstable product quality and low production yield of an intermittent method in the preparation of the polyether glycol with high molecular weight in the prior art, and provides a novel preparation method of the polyether glycol with stable viscosity and high molecular weight. The method comprises the steps of uniformly mixing a high-activity amorphous double-metal cyanide complex catalyst DMC and low-molecular-weight polyether glycol to obtain a material A; continuously adding the material A and propylene oxide PO into the reactor I according to the proportion, and keeping the mixture for at least 30 minutes; continuously transferring the polyether glycol in the reactor I to a reactor II, and keeping the polyether glycol in the reactor II for at least 30 minutes; the technical scheme of continuously discharging to obtain the polyether glycol with stable viscosity and high molecular weight better solves the problems, and can be applied to the industrial preparation of the polyether glycol with stable viscosity and stable quality and high molecular weight.
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申请号:201811221117.7 公开号:CN111068070A 主分类号:A61K48/00
申请人:【中文】复旦大学【EN】FUDAN University 申请日:2018.10.19 公开日:2020.04.28
摘要:【中文】本发明属生物制药技术领域,涉及一种用于非酒精性脂肪肝病的新型纳米基因药物及其制备方法。本发明的纳米基因药物由二甲双胍接枝壳聚糖、穿膜素以及DSPE‑PEG2000为载体,同阴离子治疗基因通过自组装形成。该纳米基因药物中二甲双胍接枝壳聚糖可同时具有高转染效率和保护非酒精性脂肪肝病的内在药理活性。该纳米基因药物可有效的靶向肝脏部位,并通过过表达或者干扰某些关键蛋白质的合成,产生治疗作用。本发明的制备的纳米基因药物具有安全性高、稳定性好和质量可控的特点。该纳米基因药物可以有效的治疗非酒精性脂肪肝病以及肥胖相关代谢综合征,有望成为保护肝损伤以及调节代谢相关疾病的药物。 【EN】The invention belongs to the technical field of biological pharmacy, and relates to a novel nano gene medicine for non-alcoholic fatty liver disease and a preparation method thereof. The nano gene medicine is formed by self-assembling metformin grafted chitosan, transmembrane factor and DSPE-PEG2000 which are used as carriers and anion therapeutic genes. The metformin grafted chitosan in the nano gene medicine can simultaneously have high transfection efficiency and internal pharmacological activity for protecting non-alcoholic fatty liver diseases. The nano gene medicine can effectively target liver parts and produce a therapeutic effect by over-expression or interference on synthesis of certain key proteins. The nano gene medicine prepared by the invention has the characteristics of high safety, good stability and controllable quality. The nano gene medicine can effectively treat non-alcoholic fatty liver disease and obesity related metabolic syndrome, and is expected to become a medicine for protecting liver injury and regulating metabolism related diseases.
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申请号:201911258810.6 公开号:CN110922577A 主分类号:C08G64/34
摘要:【中文】本发明涉及一种聚醚碳酸酯多元醇的制备方法,主要解决现有技术中制备聚醚碳酸酯多元醇时,采用常规无定型双金属氰化络合物催化剂的比表面积大于10㎡/g,催化剂活性低,制备得到的聚醚碳酸酯多元醇中副产物含量高的技术问题。本发明通过采用一种聚醚碳酸酯多元醇的制备方法,以低分子量的聚醚多元醇为起始剂,采用高活性无定型双金属氰化络合物为催化剂,在较低压力下,进行氧化烯烃和二氧化碳共聚反应得到聚醚碳酸酯多元醇的技术方案,较好地解决了该问题,可应用于聚醚碳酸酯多元醇的生产中。 【EN】The invention relates to a preparation method of polyether carbonate polyol, which mainly solves the technical problems that when polyether carbonate polyol is prepared in the prior art, the specific surface area of a conventional amorphous bimetallic cyanide complex catalyst is larger than 10 square meters per gram, the activity of the catalyst is low, and the content of by-products in the prepared polyether carbonate polyol is high. The invention adopts the technical scheme that polyether carbonate polyol is obtained by taking polyether polyol with low molecular weight as an initiator and taking a high-activity amorphous bimetallic cyanide complex as a catalyst and carrying out copolymerization reaction of alkylene oxide and carbon dioxide under lower pressure, thereby better solving the problem and being applicable to production of the polyether carbonate polyol.
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