Optical transceiver, optical communication sub-module and insulated sleeve thereof

The invention relates to an insulated sleeve of an optical communication sub-module. The insulated sleeve comprises a body and a first clamping part, wherein the body is sleeved on an outer sleeve part of the optical communication module, and the first clamping part is formed on the outer surface of the body and clamped with a second clamping part of an accommodation chamber of an optical transceiver shell so that the optical communication sub-module is clamped in the accommodation chamber. The invention simultaneously discloses an optical communication sub-module comprising the insulated sleeve as well as an optical transceiver.

Bell jar formula atmosphere furnace roof board and bell jar formula atmosphere stove

The utility model provides a bell jar formula atmosphere furnace roof board and bell jar formula atmosphere stove relates to atmosphere stove technical field, the utility model provides a bell jar formula atmosphere furnace roof board includes: polylith roof module, the concatenation of polylith roof module forms circularly, all is equipped with the connecting hole in the polylith roof module. Will the utility model provides a bell jar formula atmosphere furnace roof board is installed in the top of furnace body to the roof easily produces the fracture, warp the technical problem who drops even in alleviating prior art.

Personnel management system, method and device

The invention relates to a personnel management system, a personnel management method and a personnel management device, and belongs to the technical field of engineering project manual technology and manual cost structures, digital cost analysis is carried out, engineering project manual digitization is formed, and a page display module is arranged. Data information of a plurality of units such as worker management, inquiry records, team management, labor contracts and the like can be called by enterprise personnel in detail through the page display module, according to a manual management method of a system, the manual process and difficulty of an engineering project are clearly analyzed and quantified, manual work is quantified, digitization is formed, and the work efficiency is improved. Therefore, the problem of transformation from project management to digitization is solved, basic data is provided for project construction through labor cost analysis, and through personnel management ...

Marine telescopic flow measuring device

The utility model relates to a marine telescopic flow measuring device solves the problem that current marine current surveying support current surveying in -process can not satisfy the requirement of accurate current surveying. This device includes measuring boat, its characterized in that: the on -board of measuring boat is provided with the telescopic link that can transversely stretch out the ship board, the outer tip of telescopic link is connected with the trimaran that floats on the surface of water by preceding haulage rope, install the current surveying instrument on the trimaran, the bow of trimaran is connected to preceding haulage rope, and the stern of trimaran also links to each other with survey boat deck through the back haulage rope. The utility model discloses the accuracy of current surveying data has been guaranteed, and through around the cooperation of haulage rope, guarantee the march stability of gesture of trimaran.

Low-profile high-isolation polarization diversity patch antenna and wireless communication equipment

The invention discloses a low-profile high-isolation polarization diversity patch antenna and wireless communication equipment. The antenna comprises a first layer, a second layer and two coaxial cable ports, the first layer comprises a first dielectric plate, a radiation patch and a hook-shaped microstrip balun, the hook-shaped microstrip balun is arranged at the top of the first dielectric plate, and the radiation patch is arranged at the bottom of the first dielectric plate; the second layer comprises a second dielectric plate, a metal reflecting plate and a microstrip line, the metal reflecting plate is arranged at the top of the second dielectric plate, and the microstrip line is arranged at the bottom of the second dielectric plate; the two coaxial cable ports are respectively a first coaxial cable port and a second coaxial cable port, the first coaxial cable port feeds through the hook-shaped microstrip balun, and the second coaxial cable port feeds through microstrip line coupling ...

Middle-mounted integrated floor slab

The invention provides a centrally-mounted integrated floor slab. The centrally-mounted integrated floor slab comprises a coating layer, a putty layer, a prefabricated composite floor slab layer, a prefabricated heat preservation and sound insulation layer, a cast-in-place concrete floor slab layer, a fine aggregate concrete leveling layer and a ground facing layer which are sequentially arranged from bottom to top. According to the invention, a conventional floor heat-insulation and sound-insulation layer is adjusted from a surface layer to a position between a laminated layer and a structural layer to form a sandwich effect, so that the quality problems of floor cracking, hollowing and the like caused by a method that a large number of heat-insulation and sound-insulation layers are used at the upper part of a floor at present are reduced. The material performance and the construction method can be optimized to meet the long-term use requirement of the building floor, the problems of ...

Prefabricated double-sided laminated external composite wallboard system

The invention provides a prefabricated double-sided laminated externally-hung composite wallboard system which solves various problems of conventional components by establishing various favorable conditions such as weight reduction, thickness reduction, cost reduction and cold bridge reduction of double-sided laminated slabs according to various link factors such as production, transportation and installation of the components. A new structural system is adopted, so that the great influence on the construction quality is reduced; and the thermal insulation performance of a building is improved to a great extent. The device can effectively improve the effective connection of the prefabricated external wall panel and the external wall insulation board, is simple and practical, and can improve the overall quality of the prefabricated part and the insulation board after installation.

Pressure intensity type portable direct-reading speed measuring rod capable of automatically positioning water depth of measuring point

The invention relates to a pressure intensity type portable direct-reading speed measuring rod capable of automatically positioning the water depth of a measuring point, and solves the problems that time and labor are wasted and error calculation is easy as the water depth needs to be measured and then converted in a traditional maneuvering water depth positioning mode of the measuring point. A fixed rack and a lifting movable rack which are parallel to each other are arranged on a rod body of the device, a lifting adjusting shaft is further arranged on the rod body, a large gear meshed with the fixed rack and a small gear meshed with the lifting movable rack are arranged on the lifting adjusting shaft, and the ratio of the diameter of the large gear to the diameter of the small gear is 5: 3; the lifting movable rack is fixedly connected with a right-angle pressure measuring pipe, the right-angle pressure measuring pipe is an L-shaped pipe, a bottom pipe of the right-angle pressure measuring ...

Cabinet and temperature control device

The embodiment of the invention discloses a cabinet and a temperature control device. The cabinet comprises a housing possessing a cavity, an air inlet vent, an air outlet vent and a fan. The air inlet vent and the air outlet vent are positioned on the housing, and the fan is used for providing power for air to go inside the cavity of the housing through the air inlet vent from the outside of the housing and go out of the housing through the air outlet vent. The cabinet also comprises a ventilation duct and a controller; one end of the ventilation duct is in sealing connection with the air outlet vent and the other end of the ventilation duct is in sealing connection with the air inlet vent; a switchable first ventilation window and a switchable second ventilation window are positioned on the ventilation duct which are opposite to the air inlet vent and the air outlet vent; the controller is used for switching off the first ventilation window and the second ventilation window when temperature ...

Photovoltaic module and preparation method and application thereof

The invention relates to the technical field of semiconductor part assembly, in particular to a photovoltaic module and a preparation method and application thereof, and the method comprises the steps: analyzing the refractive index and thickness of a glass layer to generate preset shape data; respectively prefabricating a glass layer and a battery layer; bending the adhesive film layer in a preset bending mode; laminating the glass layer, the battery layer and the bending adhesive film layer to form a photovoltaic module semi-finished product; detecting the photovoltaic module semi-finished product after the lamination is completed; assembling the photovoltaic module and adjusting the preset shape data according to a detection result; according to the method, the reasonable glass layer is selected by calculating the installation latitude of the photovoltaic module, and the photovoltaic module is manufactured according to the refractive index and the thickness of the glass layer, so that ...

Storage and overlay analysis calculation method and device for high-precision grid rainfall

The invention discloses a high-precision grid rainfall storage and overlay analysis calculation method and device, and the method comprises the steps: framing a provincial region needing to be calculated through a rectangular boundary, carrying out the rasterization division, obtaining a high-precision grid, endowing each grid with a unique number, and carrying out the storage and overlay analysis calculation based on the monitored rainfall data of a local hydrological bureau. Obtaining the rainfall of each grid through an interpolation algorithm; and based on the grid number and the rainfall capacity of the corresponding grid, carrying out time superposition calculation on the rainfall capacity of the grid to obtain the total rainfall capacity of the rainfall cycle. According to the method, a finer-grained division standard is adopted, a rainfall statistical chart of an ultra-large area can be presented macroscopically, a rainfall statistical chart of a specified rainfall period of any ...

Laminating system for preparing photovoltaic module

The invention relates to the photovoltaic field, in particular to a laminating system for preparing a photovoltaic module, which is provided with a vacuum chamber, a supporting device, a pressurizing device, a detection module and an upper computer, the upper computer judges the moving trend of a bearing plate based on the friction force value of a to-be-pressed component and the bearing plate, and under the first moving trend, the to-be-pressed component is pressed, so that the to-be-pressed component is pressed. Adjusting the pressing pressure of the press machine and the heating temperature of the heating unit based on the friction force value under the first moving trend, and judging the moving direction of the bearing plate based on the friction force direction after adjusting the pressing pressure of the press machine and the heating temperature of the heating unit based on the friction force value under the second moving trend, and the bearing plate is controlled to move in the moving ...

Water-soluble double-layer sandwiched Sc metalloporphyrin complex and application thereof in micro-contact printing technology

The invention relates to a water-soluble double-layer sandwiched Sc metalloporphyrin complex. The invention also provides application of the water-soluble double-layer sandwiched Sc metalloporphyrin complex in a micro-contact printing technology. The metal patterns are prepared on the surface of a common polymer substrate in the electron industry by taking bi(5,10,15,20-tetra-p-carboxylphenylporphyrin) mixed Sc aqueous solution as micro-contact printing ink, and a new thought is provided for the micro-contact printing industry.

Saponification residue fly ash foam light soil and preparation method thereof

The invention provides saponification residue fly ash foam light soil and a preparation method thereof, and belongs to the technical field of foam light soil. The saponification residue fly ash foam light soil comprises the following components: 70-90 parts of cement, 0-15 parts of fly ash, 0-15 parts of saponification residue fine aggregate, 55 parts of mixing water, 2 parts of a foaming agent, 0.3 part of a foam stabilizer and 60 parts of foaming water. The fly ash has low activity, but after the fly ash is mixed with the saponification slag, the alkaline environment of the mixture can destroy part of Al-O octahedron and Si-O tetrahedron structures in the fly ash, the fly ash is depolymerized in advance, the activity of the fly ash is improved, the coagulation time is shortened, and meanwhile, the mixture can generate a series of chemical reactions, so that the fly ash can be recycled. The foam light soil has high strength, rigidity, water stability and fluidity, mold collapse and cracking ...

Gear box for petroleum drilling rotary table

The invention relates to a gear box for a petroleum drilling rotary table. The gear box for the petroleum drilling rotary table comprises a box body, an input shaft, an input bevel gear, an output bevel gear and an output shaft. The box body comprises an input shaft box body and an output shaft box body, and the combination part of the input shaft box body and the output shaft box body is connected into a whole in a welding mode after seamless butt joint is conducted. The input end of the input shaft box body is provided with a bearing sleeve, one end of the input shaft is arranged on the bearing sleeve in a supported mode through a bearing, and the other end of the input shaft is arranged on the input shaft box body in a supported mode through a bearing. The output shaft box body is provided with a bearing base, and the two ends of the output shaft are arranged on the bearing base in a supported mode through a bearing. One end of the input shaft and one end of the output shaft stretch ...

Project progress generation method and device based on intelligent data and storage medium

The embodiment of the invention provides a project progress generation method and device based on intelligent data and a storage medium. The project progress generation method comprises the steps of obtaining a project list of a selected project; identifying an internal relationship corresponding to each item package in the item list; determining a historical project package matched with the project package; according to historical information corresponding to the historical project package and the internal relationship, estimating the estimated progress of the project package; in response to an editing operation for the project package, setting a project predicted progress of the project package according to the predicted progress and editing content of the editing operation; according to the incidence relation between all the project predicted progresses and the project packages, the project predicted progress of the selected project is generated, the project predicted progress corresponding ...

Optical transceiver, optical communication sub-module and insulated sleeve thereof

The invention relates to an insulated sleeve of an optical communication sub-module. The insulated sleeve comprises a body and a first clamping part, wherein the body is sleeved on an outer sleeve part of the optical communication module, and the first clamping part is formed on the outer surface of the body and clamped with a second clamping part of an accommodation chamber of an optical transceiver shell so that the optical communication sub-module is clamped in the accommodation chamber. The invention simultaneously discloses an optical communication sub-module comprising the insulated sleeve as well as an optical transceiver.

Light transmission module

The invention discloses a light transmission module, comprising a shell, a first light transmission element, a light emission element and a second light transmission element. The first light transmission element is provided with a first axial line and is assembled in the shell. The light emission element is assembled in the shell. The second light transmission element is provided with a second axial line and is arranged between the first light transmission element and the light emission element; and an included angle is reserved between the second axial line and the first axial line, and cannot be zero degree.

Integrative protective sheath of portable device

The utility model discloses an integrative protective sheath of portable device is provided with the structure of acceping surface plate device (like panel computer, wisdom cell -phone or flat -panel screens) and flat -plate -shaped input device (like clipboard, drawing board) on setting up the face by the two at a shell respectively to and give signal connection between the device, make the surface plate device with accomodating and carrying of input device is more convenient, also because such structure more promotes the effect in the use, writes / draws the overall picture of content promptly and browse and take notes synchronization.

Intelligent assembly system for photovoltaic module manufacturing process

The invention relates to the technical field of semiconductor part assembly, in particular to an intelligent assembly system for a photovoltaic module manufacturing process, and the system comprises a surface forming module which is used for splicing glass layers into a preset surface shape according to surface shape data; the battery forming module is used for cutting the battery layers according to the battery shape data and then splicing the battery layers into a preset battery shape; the bending module is used for preparing a bent adhesive film layer from the adhesive film layer in a preset bending mode; the stacking module is used for laminating the glass layer, the bending adhesive film layer and the battery layer in a preset stacking mode to form a photovoltaic module semi-finished product; the central control module is used for controlling each module to complete manufacturing of the photovoltaic module; the module is used for bending the photovoltaic module, so that the light condensation ...

Water-soluble double-layer sandwich-type Ce metalloporphyrin complex and application of complex in microcontact printing technique

The invention relates to a water-soluble double-layer sandwich-type Ce metalloporphyrin complex and application of the water-soluble double-layer sandwich-type Ce metalloporphyrin complex in a microcontact printing technique. Metal patterns are prepared on the surface of a polymer substrate commonly used in the electronics industry by taking bis(5-(4'-hydroxy-3'-aminomethylphenyl)-10,15,20-triphenyl porphyrin) complexed Ce aqueous solution as microcontact printing ink, and a new thought is provided for the microcontact printing industry.

Underway ADCP bridge measurement traction device with obstacle avoidance function

The invention relates to an underway ADCP bridge measurement traction device with an obstacle avoidance function, and solves the problems that a traction rope needs to bypass each column when an existing underway ADCP bridge measurement device works on a bridge provided with a street lamp pole or a handrail, great inconvenience is brought, and safety risks exist in operation. The device mainly comprises a base, a vertical support and a swing arm, the river-side picking end of the swing arm comprises a moving ring and a fixed ring, a traction seat is arranged on the outer wall of the moving ring, an inner ring is nested in the moving ring and the fixed ring, the moving ring is pushed to rotate to different positions through forward and reverse rotation of the inner ring, and the picking end of the horizontal swing arm can be switched between a leftward opening state and a rightward opening state. Therefore, the pole-type obstacle passes through the interior of the ring, and the function ...

Fire extinguishing protective system for passenger compartment of bus

The invention discloses a fire extinguishing protective system for a passenger compartment of a bus. The fire extinguishing protective system comprises a water mist spraying device, a fire extinguishing device and a starting device, wherein the water mist spraying device comprises a water storage tank, a first transmission pipeline and a first water mist nozzle; the first water mist nozzle is installed at the top part on the inner side of the bus and is connected with the water storage tank by virtue of the first transmission pipeline, the water storage tank is connected with a power mechanism; the fire extinguishing device comprises a water mist fire extinguishing mechanism and/or a gas fire extinguishing mechanism, wherein the water mist fire extinguishing mechanism comprises a second transmission pipeline and a second water mist nozzle, and the second water mist nozzle is installed at the bottom of the passenger compartment wall of the bus and is connected with the water storage tank ...

Thermal insulation prefabricated composite wallboard

The invention provides a heat-preservation prefabricated composite wallboard. The heat-preservation prefabricated composite wallboard comprises a prefabricated heat-preservation board; the prefabricated outer plate is arranged on the side, close to the outdoor space, of the prefabricated heat preservation layer, and the prefabricated outer plate is made of UHPC high-strength slurry. The prefabricated outer plate is made of UHPC high-strength slurry, the interior of the prefabricated layer made of the UHPC material does not need to be provided with reinforcing bars, the characteristics of prefabricated parts in a prefabricated building are combined, and outer wall heat preservation is subjected to sandwich integration prefabrication to form the composite component wallboard; leakage and thermal insulation falling of the prefabricated outer wall part can be effectively prevented, the thickness and weight of the prefabricated part are reduced, and erection of an outer scaffold of the outer ...

Application of 2-6 carboxyl phthalocyanine palladium and anthraquinone serving as micro-contact printing ink

The invention discloses the application of 2-6 carboxyl phthalocyanine palladium and anthraquinone serving as micro-contact printing ink. Firstly, pretreatment is performed on a substrate, a 2-6 carboxyl phthalocyanine palladium and anthraquinone organic solution is prepared, a polydimethylsiloxane stamp is soaked into the 2-6 carboxyl phthalocyanine palladium and anthraquinone organic solution, and then the polydimethylsiloxane stamp is used for covering the substrate pretreated, therefore, patterns on the stamp can be obtained from the surface of the substrate, and the substrate is soaked into a chemical plating solution, namely metal patterns can be obtained. According to the invention, the method is simple, the operation is easy, by taking a 1,4-porphyrin palladium-butadiyne dichloromethane solution as the micro-contact printing ink to prepare the metal patterns on a polytetrafluoroethylene surface normally used in an electron industry, a new idea is provided for the micro-contact printing ...

Water-soluble double-sandwich-type La metalloporphyrin complex and application thereof in micro-contact printing technique

The invention relates to a water-soluble double-sandwich-type La metalloporphyrin complex. The invention also provides an application of the water-soluble double-sandwich-type La metalloporphyrin complex in a micro-contact printing technique. Metal patterns are prepared on the surface of a polymer substrate frequently used in the electronic industry by adopting an aqueous solution of bis(5,10,15,20-tetra-p-amino phenyl porphyrin)-La complex as micro-contact printing ink and a novel idea is provided for micro-contact printing industry.

Prefabricated connecting system for concrete boundary beam

According to the concrete boundary beam prefabrication connecting system, prefabrication of a curtain wall boundary beam is achieved through the measures of prefabricating the concrete beam and pre-burying the pre-buried plate on site, and the problem of how to complete construction of an externally-hung boundary beam of a steel structure under the condition of scaffold-free construction can be solved. According to the connecting system, the edge beam of the curtain wall is prefabricated on site, and the edge beam and the structural steel beam are reliably mounted through the pre-embedded plate, so that the edge beam of the curtain wall can be efficiently mounted at low cost. Construction is fast and convenient, and the whole construction period cannot be affected.

Cold-bridge-free construction system for sandwich thermal insulation prefabricated external wall panel

The invention provides a non-cold-bridge construction system for a sandwich heat-preservation prefabricated external wall panel, which is characterized in that a conventional concrete flanging method on the periphery of a single component of the external wall panel is canceled; mounting heat insulation strips on the upper and lower components in the reserved heat insulation grooves of the components; and next, mounting and paving a waterproof breathable film on the upper part of the lower-layer component. Next, an elastic rubber strip and a rubber gasket are placed on the upper portion of the waterproof breathable film; next, a waterproof air-isolating film is paved at the bottom of the upper-layer component; in the next step, components on the upper layer are hoisted to the floor, and the prefabricated components are installed in place; then, an inner side wall formwork is installed; and then concrete is cast in place in the inner side wall formwork, the situation that no cold bridge occurs ...

Inverted prefabricated floor slab

The invention provides an inverted prefabricated floor slab. The inverted prefabricated floor slab comprises a coating layer, a putty layer, a prefabricated heat preservation and sound insulation layer, a prefabricated composite floor slab layer, a cast-in-place concrete floor slab layer, a fine aggregate concrete leveling layer and a ground facing layer which are sequentially arranged from bottom to top. A conventional floor heat preservation and sound insulation layer is adjusted to the lower layer of the laminated plate from the surface layer, after the heat preservation and sound insulation layer and the prefabricated laminated plate made of the UHPC material are integrated, the prefabricated finished product is transported to the site to be hoisted, and the whole structure is formed after floor structure concrete is poured on the upper portion. The heat preservation and sound insulation layer is inversely arranged between the UHPC prefabricated laminated slab and the structural cast-in-place ...

Mini fan

Exhaust nozzle adjusting mechanism and design method

The invention provides an exhaust nozzle adjusting mechanism and a design method. The design method comprises the steps that S1, a fan-shaped transition area is designed between a circular contraction section and a square expansion section of an exhaust nozzle; s2, a rotating and translation composite double-plate structure is adopted, a connecting rod is hinged to the outer surface of a translation plate, and one end of the translation plate is rotationally connected with one end of a rotating plate; one end of the rotating plate is fixedly connected with the square expansion section, the other end of the rotating plate is fixedly connected with the round expansion section in a rotatable mode, the rotating front end is connected with a translation plate, the translation plate is tightly attached to the square expansion section of the exhaust nozzle, the outer surface of the rotating plate is further connected with the translation plate through a hydraulic push rod, and the translation ...

Circuit module group and electromagnetic wave or radio frequency interference shielding structure

The invention discloses a circuit module and shielding strucyure for electromagnetic wave or radiofrequency interference thereof. Besides comprising a circuit base board and electronic elements arranged on the circuit base board, the circuit module also comprises a metal clapboard arranged above the electronic elements, the metal clapboard does not contact with the electronic elements and has at least one hole, thereby, utilizing conductivity of the metal clapboard to shield electromagnetic wave or radiofrequency interference of the electronic elements, or shield interference which is from outside for electromagnetic wave or radiofrequency radiated by the electronic elements. A heat source generated by the electronic elements is dispersed the hole to get effects of holding normal working and working quality of the circuit module.

Small watershed flood automatic early warning instrument based on hydrodynamic force

The invention relates to a small watershed flood automatic early-warning instrument based on hydrodynamic force, and solves the problems that electronic equipment of existing small watershed flood monitoring and early-warning equipment is easy to damage in severe weather, mobile signals in mountainous areas are easy to interrupt, and early-warning information of triggered organs is not accurate enough. A hydrodynamic trigger circuit is arranged on the lower portion of a shell of the device, an acousto-optic early warning circuit is arranged on the upper portion of the shell, the hydrodynamic trigger circuit comprises a water turbine and an electromagnet which are connected in series, the water turbine is arranged on one side of the lower portion of the shell and arranged in a flood flow channel, and the acousto-optic early warning circuit is provided with a storage battery, an armature switch and an acousto-optic alarm device in series. The armature switch is provided with a reset spring ...

Toy