摘要：【中文】本申请涉及一种抽气管道及具有其的单晶炉，其中抽气管道包括清洁管路、清洁口封盖和燃烧阀。其中，清洁口封盖固定安装在清洁管路的第一开口端，用于密封清洁管路的第一开口，燃烧阀固定安装在清洁管路的管壁上，且邻近清洁口封盖，燃烧阀，适用于清理单晶炉的抽气管道时，在开启清洁口封盖之前打开，以使清洁管路的内腔与外部连通。通过提前开启燃烧阀使粉尘状氧化物先与外部少量空气中氧气充分燃烧，有效防止了清理抽气管道时产生的爆燃现象，大大提高了抽气管道清洁工作的安全性。 【EN】The application relates to an air exhaust pipeline and a single crystal furnace with the same, wherein the air exhaust pipeline comprises a cleaning pipeline, a cleaning port sealing cover and a combustion valve. The cleaning opening sealing cover is fixedly installed at the first opening end of the cleaning pipeline and used for sealing the first opening of the cleaning pipeline, the combustion valve is fixedly installed on the pipe wall of the cleaning pipeline and is close to the cleaning opening sealing cover, and the combustion valve is suitable for being opened before the cleaning opening sealing cover is opened when an air exhaust pipeline of the single crystal furnace is cleaned, so that the inner cavity of the cleaning pipeline is communicated with the outside. The combustion valve is opened in advance to enable the dusty oxide to be fully combusted with oxygen in a small amount of outside air, so that the deflagration phenomenon generated when the air exhaust pipeline is cleaned is effectively prevented, and the safety of the cleaning work of the air exhaust pipeline is greatly improved.

摘要：【中文】本实用新型涉及一种眼镜，包含：一个镜座，所述镜座包括一个鼻架，以及两个分别连接于所述鼻架左右两侧的镜片；两个卡合单元，所述两个卡合单元分别连接于所述镜座的左右两侧，每一个卡合单元包括两个分别自所述镜座向后延伸且上下间隔设置的延伸件，以及一个衔接所述延伸件的卡合轴，所述卡合轴与两个所述延伸件相配合界定出一个呈贯穿状的穿槽；两个镜脚，所述镜脚分别可拆卸地组装于所述卡合单元。本实用新型借由卡合单元、组接件和抵制件的设计来简化结构，并使该镜脚轻量化。 【EN】The utility model relates to a glasses contains: the lens base comprises a nose frame and two lenses which are respectively connected to the left side and the right side of the nose frame; the two clamping units are respectively connected to the left side and the right side of the mirror base, each clamping unit comprises two extending pieces which respectively extend backwards from the mirror base and are arranged at intervals up and down, and a clamping shaft which is connected with the extending pieces, and the clamping shaft and the two extending pieces are matched to define a penetrating groove; the two glasses legs are respectively and detachably assembled on the clamping unit. The utility model discloses borrow by block unit, assembly spare and support the design of finished piece and simplify the structure to make this mirror foot lightweight.

摘要：【中文】一种封闭式农用热泵，包括热泵组件箱体，该热泵组件箱体内设置有压缩机、一号冷凝器、二号冷凝器、电子膨胀阀、蒸发器、汽液分离器和隔板，其中，压缩机设置在热泵组件箱体内的下部，压缩机通过管路与一号冷凝器的入口管路连通，而一号冷凝器的出口管路再与二号冷凝器的入口管路连通，且二号冷凝器的出口管路则与蒸发器的入口管路连通，而在二号冷凝器与蒸发器连通的管路上设置有电子膨胀阀，蒸发器的出口管路则与一汽液分离器的入口管路连通，而该汽液分离器的出口管路与压缩机连通，隔板将热泵组件箱体内部隔成上、下两半部分，下半部分设置了压缩机和汽液分离器，而上半部分则设置了一号冷凝器、二号冷凝器、电子膨胀阀和蒸发器。 【EN】A closed agricultural heat pump comprises a heat pump component box body, wherein a compressor, a first condenser, a second condenser, an electronic expansion valve, an evaporator, a vapor-liquid separator and a partition plate are arranged in the heat pump component box body, the compressor is arranged at the lower part in the heat pump component box body, the compressor is communicated with an inlet pipeline of the first condenser through a pipeline, an outlet pipeline of the first condenser is communicated with an inlet pipeline of the second condenser, an outlet pipeline of the second condenser is communicated with an inlet pipeline of the evaporator, the electronic expansion valve is arranged on a pipeline for communicating the second condenser with the evaporator, an outlet pipeline of the evaporator is communicated with an inlet pipeline of the vapor-liquid separator, an outlet pipeline of the vapor-liquid separator is communicated with the compressor, the partition plate divides the interior of the heat pump component box body into an upper half part and a lower half part, the lower half part is provided with the compressor and the vapor-liquid separator, and the upper half part is provided with a first condenser, a second condenser, an electronic expansion valve and an evaporator.

摘要：【中文】本实用新型公开了一种防冻型双流道翅片式换热器，包括端板，插装在端板之间的多个双流道换热管组，所述双流道换热管组包括由多个第一换热管首尾连通形成的第一换热流道，和多个第二换热管首尾连通形成的第二换热流道，所述第一换热流道与第二换热流道相互平行，且沿换热器厚度方向倾斜设置，所述第一换热流道和第二换热流道高的一端为进口，通过U型三通管连通，所述第一换热流道和第二换热流道低的一端为出口，通过h型三通管连通。本实用新型提供一种防冻型双流道翅片式换热器，不仅换热效率高，而且有效排空残水，防止出现冻管情况。 【EN】The utility model discloses a type double fluid channel finned heat exchanger prevents frostbite, including the end plate, a plurality of double fluid channel heat transfer pipe sets of cartridge between the end plate, double fluid channel heat transfer pipe set includes the first heat transfer runner that is formed by a plurality of first heat exchange tube head and the tail intercommunication, and the second heat transfer runner that a plurality of second heat exchange tube head and the tail intercommunication formed, first heat transfer runner is parallel to each other with second heat transfer runner, and sets up along heat exchanger thickness direction slope, the high one end of first heat transfer runner and second heat transfer runner is the import, through U type three-way pipe intercommunication, the low one end of first heat transfer runner and second heat transfer runner is for exporting, through h type three-way pipe intercommunication. The utility model provides a type double flow channel finned heat exchanger prevents frostbite, and not only heat exchange efficiency is high, effective evacuation residual water moreover prevents to freeze the pipe condition.

摘要：【中文】本实用新型涉及一种交换机上QSFP+转接SFP+的端口转接装置及设备，包括SFP+接口和四通道QSFP+接口，四通道QSFP+接口中的其中一个通道的接收端口Rxp、Rxn与SFP+接口的接收端口RD+、RD‑连接，SFP+接口的发送端口TD+、TD‑与四通道QSFP+接口中对应的其中一个通道的发送端口Txp、Txn连接，使四通道QSFP+接口中的其中一个通道与SFP+接口进行信号传输，达到QSFP+转接SFP+的转接功能，四通道QSFP+接口中其余的三个通道不做信号传输。其实现SFP+光模块在通过QSFP+转接装置之后在QSFP+交换机上面使用。 【EN】The utility model relates to a QSFP + switching SFP +'s port switching device and equipment on switch, including SFP + interface and four-channel QSFP + interface, the receiving port Rxp of one of them passageway in the four-channel QSFP + interface, Rxn and the receiving port RD +, RD-of SFP + interface are connected, the sending port TD +, TD-of SFP + interface and the sending port Txp of one of them passageway that corresponds in the four-channel QSFP + interface, Txn is connected, make one of them passageway in the four-channel QSFP + interface and SFP + interface carry out signal transmission, reach QSFP + switching SFP +'s switching function, all the other three passageways do not do signal transmission in the four-channel QSFP + interface. The method realizes the use of the SFP + optical module on the QSFP + switch after passing through the QSFP + switching device.

摘要：【中文】本实用新型公开了一种小型化的多路波分解复用光接收组件，包括光解复用单元、棱镜，光解复用单元用于接收光发射单元发送的第一平行光，并将光发射单元发送的第一平行光分解为多路第二平行光后发射给反射镜，反射镜用于将第二平行光反射给棱镜；棱镜用于将反射镜所反射的第二平行光进行两次反射，通过第一次反射改变第二平行光的方向，让其与第一平行光的方向向完全相反，通过第二次反射再次改变第二平行光的方向，使第二平行光反射至汇聚透镜；汇聚透镜用于将棱镜第二次反射的第二平行光进行汇聚后发射给光接收单元，光接收单元接收并处理汇聚透镜汇聚的第二平行光。其将光接收组件的封装尺寸减小，且不会增加整个器件的工艺复杂性。 【EN】The utility model discloses a miniaturized multichannel wavelength division multiplexing light receiving component, including light demultiplexing unit, prism, light demultiplexing unit is used for receiving the first parallel light that the light emission unit sent to launch for the speculum after decomposing the first parallel light that the light emission unit sent into multichannel second parallel light, the speculum is used for giving the prism with the reflection of second parallel light; the prism is used for reflecting the second parallel light reflected by the reflector twice, changing the direction of the second parallel light through first reflection to be completely opposite to the direction of the first parallel light, and changing the direction of the second parallel light again through second reflection to enable the second parallel light to be reflected to the converging lens; the converging lens is used for converging the second parallel light reflected by the prism for the second time and then transmitting the second parallel light to the light receiving unit, and the light receiving unit receives and processes the second parallel light converged by the converging lens. Which reduces the package size of the light receiving module without increasing the process complexity of the entire device.

摘要：【中文】本实用新型公开了一种基于光波导的多路波分解复用光接收组件，包括光发射单元、光解复用单元、反射镜和汇聚透镜，所述光发射单元用于将具有多个波长的光发送到光解复用单元中；所述光解复用单元用于将光发射单元发射出来的多波长光解复用为至少两路单波长光；所述反射镜用于将光解复用单元发射出的光进行反射，实现光路弯折；所述汇聚透镜用于将光解复用单元发射出的光进行汇聚；所述汇聚透镜位于反射镜的出射光路上，或，所述反射镜位于汇聚透镜的出射光路上。该接收组件可以解决在PD光敏面减小的情况下响应度发生损失的问题。 【EN】The utility model discloses a multichannel wavelength demultiplexing light receiving component based on optical waveguide, including light emission unit, light demultiplexing unit, speculum and convergent lens, light emission unit is arranged in sending the light that has a plurality of wavelengths to light demultiplexing unit; the optical demultiplexing unit is used for demultiplexing the multi-wavelength light emitted by the light emitting unit into at least two paths of single-wavelength light; the reflector is used for reflecting the light emitted by the optical demultiplexing unit to realize the bending of the light path; the converging lens is used for converging the light emitted by the optical demultiplexing unit; the convergent lens is located on an emergent light path of the reflector, or the reflector is located on the emergent light path of the convergent lens. The receiving component can solve the problem that the responsivity is lost under the condition that the photosensitive surface of the PD is reduced.

摘要：【中文】本实用新型涉及光通讯技术领域，提供了一种光纤连接装置，包括尾纤适配器以及与所述尾纤适配器对接的尾纤连接器，还包括用于使所述尾纤适配器和所述尾纤连接器稳定对接的基座结构，所述基座结构具有供所述尾纤适配器和所述尾纤连接器安置的对接通道。本实用新型通过设基座结构保证尾纤适配器和尾纤连接器之间稳定的连接，而且使用者只需要将尾纤适配器和尾纤连接器放入到对接通道中即可完成稳定的对接，方便了使用者的使用；整体结构简单、紧凑，使用方便的同时还具有良好的连接性能，并且零件数量少、容易组装、操作便捷、可靠性高、成本低廉。 【EN】The utility model relates to an optical communication technical field provides an optical fiber connecting device, including the tail optical fiber adapter and with the pigtail connector of tail optical fiber adapter butt joint, still including being used for making the tail optical fiber adapter with the stable base structure who docks of pigtail connector, base structure has the confession the tail optical fiber adapter with the butt joint passageway that pigtail connector settled. The utility model ensures the stable connection between the tail fiber adapter and the tail fiber connector by arranging the base structure, and the user can complete the stable butt joint only by putting the tail fiber adapter and the tail fiber connector into the butt joint channel, thereby being convenient for the use of the user; the connecting structure has the advantages of simple and compact integral structure, convenient use, good connecting performance, small number of parts, easy assembly, convenient operation, high reliability and low cost.

摘要：【中文】本实用新型提供一种宽环温多级出水变频空气能复叠式热机系统，包括低温级系统和高温级系统，其中，所述低温级系统包括低温级R22变频压缩机、四通阀、蒸发冷凝器、低温级冷凝器、储液器、低温经济器、低温级膨胀阀、低温级蒸发器、气液分离器、低温级电子膨胀阀、轴流风机、三通比例调节阀、回油器。本实用新型能够适应环境温度从零下30℃到零上40℃持续温度出具低中高三种水温的水。本实用新型的热机系统由低温级系统和高温级系统复叠而成，通过不同的启停方式以及系统间的相互关联最终实现所需的出水温度要求。 【EN】The utility model provides a wide ring temperature multistage play water frequency conversion air can overlapping formula heat engine system, including low temperature level system and high temperature level system, wherein, low temperature level system includes low temperature level R22 frequency conversion compressor, cross valve, evaporative condenser, low temperature level condenser, reservoir, low temperature economic ware, low temperature level expansion valve, low temperature level evaporimeter, vapour and liquid separator, low temperature level electronic expansion valve, axial fan, tee bend proportion governing valve, oil return ware. The utility model discloses can adapt to ambient temperature and keep on temperature from minus 30 ℃ to minus 40 ℃ and go out the water of three kinds of temperatures of low crowning. The utility model discloses a heat engine system is formed by low temperature level system and high temperature level system overlapping, opens the final required leaving water temperature requirement of realizing of the correlation between mode and the intersystem through the difference.

摘要：【中文】本实用新型涉及一种用于QSFP28到SFP28的端口转接并向下兼容QSFP+到SFP+端口转接设备及电路，包括解锁装置以及由底壳和上盖组成的壳体，电子设备固定在底壳与上盖之间，用于与从尾端插入转接设备中空内腔内的SFP28模块电连接，上盖的尾部上卡接有锁扣钣金件；壳体的外壁设有用于容纳解锁装置的滑槽，解锁装置滑动配合且限位在壳体外壁设有的滑槽中，解锁装置的侧壁设有用于使对应的QSFP28笼子弹片脱离端口转接设备弹起的解锁部，底壳上安装有弹簧，用于给解锁装置提供复位的力。端口转接设备在QSFP28交换机上面引出一路供SFP28模块进行通信，另外三路进行信号屏蔽，从而达到QSFP28单一通道信号与SFP28转接，同时可以实现QSFP28到SFP28的转换及向下兼容QSFP+到SFP+的转换。 【EN】The utility model relates to a port switching and downward compatible QSFP + to SFP + port switching equipment and circuit for QSFP28 to SFP28, including unlocking means and the casing that comprises drain pan and upper cover, electronic equipment is fixed between drain pan and upper cover, is used for being connected with the SFP28 module electricity that inserts switching equipment cavity intracavity from the tail end, and the joint has the hasp sheet metal component on the afterbody of upper cover; the outer wall of casing is equipped with the spout that is used for holding unlocking device, and unlocking device sliding fit just is spacing in the spout that the casing outer wall was equipped with, and unlocking device's lateral wall is equipped with and is used for making the corresponding QSFP28 cage shell fragment break away from the unblock portion that port switching equipment bounced, installs the spring on the drain pan for provide the power that resets for unlocking device. One path of the port switching equipment is led out from the QSFP28 switch to be communicated with the SFP28 module, and the other three paths of the port switching equipment are used for carrying out signal shielding, so that the purpose of switching between a single-channel signal of the QSFP28 and the SFP28 is achieved, and meanwhile, the conversion from the QSFP28 to the SFP28 and the conversion from the QSFP + to the SFP + which are compatible downwards can be realized.