17results about How to "Flexible size" patented technology

The invention discloses SiBCN ceramic slurry for direct-writing type 3D printing as well as a preparation method and a printing method of the SiBCN ceramic slurry, and belongs to the field of ceramic additive manufacturing. The invention aims to solve the problem of non-uniform selection and dispersion of SiBCN precursor filler in existing direct writing printing. And the slurry is prepared from cured polyborosilazane (PBSZ) powder, an inorganic rheological additive, a rheological synergist and a polyborosilazane (PBSZ) liquid. The preparation method comprises the following steps: 1, curing polyborosilazane (PBSZ); 2, ball-milling and crushing; (3) weighing; and 4, preparing slurry. The printing method comprises the steps of 1, printing a primary blank; and 2, curing and sintering. The SiBCN ceramic slurry for direct-writing type 3D printing and the preparation and printing thereof are provided by the invention.

The utility model provides a photovoltaic module horizontal and vertical mixed installation waterproof system for a pitched roof, which comprises a plurality of first photovoltaic modules, a plurality of first drainage grooves, a plurality of second photovoltaic modules and a plurality of second drainage grooves, and the plurality of first photovoltaic modules and the first drainage grooves are arranged along the longitudinal direction perpendicular to the length direction of the pitched roof. The plurality of second photovoltaic modules and the second drainage grooves are transversely arranged in parallel with the length direction of the sloping roof; a first drainage groove is formed below a longitudinal frame of any first photovoltaic module, a second drainage groove is formed below a transverse frame of any first photovoltaic module, a first drainage groove is formed below a longitudinal frame of any second photovoltaic module, and a second drainage groove is formed below a transverse frame of any second photovoltaic module; the first drainage grooves and the second drainage grooves are formed in the same plane parallel to the sloping roof, and any second drainage groove is at least communicated with one first drainage groove; and the first photovoltaic module and the second photovoltaic module are arranged on the same plane parallel to the sloping roof.

The application discloses a box-table integrated camping box, which comprises a box body and a box cover. A plurality of leg seats are arranged on the lower side of the box cover, and folding legs are arranged on the leg seats. The folding legs are unfolded to support. The bottom of the box body is clamped with the upper part of the box cover. After the folding legs on the box cover are unfolded, the box body is placed on the box cover for use. Through the above technical scheme, the box cover is ingeniously reused as a support structure of the table leg, so that the height of the table top can be quickly converted (such as two gears of high and low). The high position mode is in line with ergonomics, and can be comfortably matched with a camping chair or a folding stool. The low position mode is perfectly matched with a picnic mat, and meets the demand of users sitting on the ground. In addition, the flexible size and adjustable height of the box-table integrated camping box can be widely applied to camping cars, bed cars, automobile trunks and even balconies and courtyards, and the practicality and universality are far higher than those of traditional products with single function.

The invention belongs to the technical field of part testing, and particularly relates to a high-temperature corrosion and thermal fatigue composite testing device and method. The testing device comprises a bottom plate, and a stand column, a first supporting block, a second supporting block, a baffle and a liquid accumulation box are arranged on the bottom plate; the first supporting block is matched with the first pressing block to fix one end of the sample piece, the other end of the sample piece is limited through the second pressing block, the second pressing block is connected with the force sensor through the ceramic block, and the force sensor is arranged on the baffle; the middle part of the sample piece is provided with a downward concave part, the liquid accumulation box is located under the downward concave part, a container is arranged above the downward concave part, and a saline solution is contained in the container; a flow guide pipe is arranged at the bottom of the container; an adjusting knob is arranged on the flow guide pipe; and the first electric wire, the first pressing block, the sample piece, the second pressing block, the second electric wire and the power supply are connected to form an electric heating loop to heat the sample piece. The method has the technical advantages of being suitable for the actual environment, flexible in working condition setting, low in test cost and the like.

The present application relates to a kind of microscope systems, in particular to a kind of short wave infrared waveband confocal microscopic system.The system includes bright / dark field microscopic subsystem, photonic emission microscopic subsystem, short wave infrared laser scanning confocal microscopic subsystem, fluorescent confocal microscopic subsystem, control module.The system presented in the present application can be through the electrical light emission and / or photoluminescence emission of semiconductor device in integrated circuit, obtain short wave infrared fluorescence lifetime curve, that is, the determination of semiconductor defect type can be made.In addition, the system uses the structure of multiple subsystem optical path multiplexing in structural design, while collecting the short wave infrared fluorescence generated by excitation defect or failure point, and has higher integration, only using the single system presented in the present application can realize the observation, positioning and failure analysis of defect or failure point.

The utility model relates to the technical field of energy storage electric connection, in particular to a rotatable plug-in type energy storage connector and an energy storage connector assembly, the rotatable plug-in type energy storage connector comprises a shell, a plug keycap and a first electric connection element, the shell comprises a plug-in part and a wiring part, and the wiring part is arranged at one end of the plug-in part; the inserting part is provided with an inserting cavity, an inserting sleeve is arranged in the inserting cavity, one end of the inserting sleeve is provided with a butt-inserting end, and the butt-inserting end is provided with a rotary limiting groove; the plug keycap is provided with a rotary connecting end and a plug-in end, the rotary connecting end is provided with a rotary limiting buckle, and the rotary connecting end is rotatably arranged at the plug-in end and is rotatably connected with the rotary limiting groove through the rotary limiting buckle; the first power connection element is arranged in the shell. According to the utility model, through the design of the plugging sleeve and the plug keycap, the connector can realize rotary connection, so that connection and disassembly are more convenient. The connection stability and reliability are improved, the connection operation is simplified, and more convenient connection operation is provided.

The inclined suction hole valve plate comprises a valve plate body, a suction hole and an exhaust hole are formed in the valve plate body, the central axis of the suction hole is arranged in an inclined mode, and the included angle beta between the central axis of the suction hole and the plane of the valve plate is smaller than 90 degrees, so that the outlines, located on the two sides of the valve plate, of the suction hole can intersect and be arranged in a staggered mode; according to the utility model, the air suction efficiency is improved, and the position of the air suction silencing cavity, the size of the cylinder hole, the size of the sealing area, the size of the air suction flow channel and the like are more flexibly arranged.

The invention discloses a new energy automobile driving motor control system and method, and belongs to the technical field of driving motors, the new energy automobile driving motor control system comprises a whole automobile controller, motor control modules and 36 independent groove control modules, the whole automobile controller and the motor control modules are installed on an automobile center console, and the independent groove control modules are connected with the motor control modules. And the coils are distributed in 36 coil slots of a stator iron core of the driving motor. The design of 36 independent groove control modules is equivalent to integration of 36 small motors, and vehicle starting can be guaranteed through 8-phase operation. The flexible and changeable low-rotating-speed large-torque direct drive design can cancel a gearbox, the design and the size of a single motor, a double motor, a wheel side motor and a hub motor are flexible and changeable, the comprehensive endurance improving effect is obvious, and the gearbox fault hidden danger is avoided.

The invention discloses a Christmas tree pressure testing device which comprises a mandrel, one end of the mandrel is in threaded connection with a leather cup tray, the other end of the mandrel is in threaded connection with an upper connector, the leather cup tray and the mandrel are fixed through a first screw, the upper connector and the mandrel are fixed through a second screw, and the joint of the leather cup tray and the mandrel is sleeved with a leather cup. The Christmas tree pressure testing tool is flexible in size and can be suitable for various completion pipe strings and corresponding completion wellhead (fracturing wellhead) Christmas trees; the leather cup is sealed with an inner cavity of a well completion pipe column, and the upper connector is sealed with a screw thread connected with an upper flange of a test gate valve, so that the influence of a production pipe column channel is reasonably avoided, a Christmas tree pressure container above a large four-way joint is formed, and the sealing performance of a closed cavity and the pressure bearing capacity of a Christmas tree are tested by utilizing the principle that liquid cannot be compressed; and the whole structure is compact, maintenance is convenient, an easily-loosened part is locked through a screw, safety and reliability are achieved, and high applicability and popularization performance are achieved.

This utility model discloses a structure combining a reservoir intelligent inspection drone airport with a cultural wall. The structure includes a cultural wall with a canopy. A drone support is mounted on the canopy, and a drone airport kit is installed on the support. Tempered glass is installed around the drone support to enhance the protection of the reservoir intelligent inspection drone airport. This utility model solves the problems of difficult location selection and protection for reservoir intelligent inspection drone airports. It not only constructs a drone airport to facilitate drone inspection functions but also improves the landscape effect of the reservoir. Furthermore, the reservoir intelligent inspection drone airport and the cultural wall share power supply, communication, lightning protection, and grounding facilities, which facilitates unified maintenance and saves investment.

The invention discloses a photocatalytic oxidation air purification device and method. The device comprises at least one surface coated with anatase type titanium dioxide, at least one ultraviolet radiation source, an air circulation loop and an air circulation driving module, the air circulation driving module and the air circulation loop are matched to form an air circulation system, and the surface coated with the anatase type titanium dioxide is arranged in the air circulation system; in the working process, the ultraviolet radiation source irradiates the surface coated with anatase type titanium dioxide, air to be purified is formed in the air circulation system to form airflow, and photocatalytic degradation reaction is conducted to achieve purification. The device forms a complete air circulation system, air to be purified forms airflow in the air circulation system for photocatalytic degradation, the air purification effect is improved, and meanwhile the device has the advantages of being simple and compact in structural design, flexible in size, wide in application scene and low in cost.

This utility model relates to the field of battery technology and discloses a single cell and a battery pack, which improves the effective connection area of ​​the current collector and enhances battery performance. The single cell includes: a housing having an inner cavity and a through hole; an electrode assembly disposed in the inner cavity; a terminal post passing through the through hole; and a current collector located axially between the electrode assembly and the terminal post, including a central portion connected to and electrically conductive with the terminal post and an edge structure connected to and electrically conductive with the electrode assembly; the edge structure includes at least two connecting portions and at least two welding portions, the connecting portions and welding portions circumferentially surrounding the central portion and alternately arranged; the welding portions and the central portion are respectively connected to the two ends of the connecting portions radially; a first gap is provided between the welding portion and the central portion, and a second gap is provided between the welding portion and the adjacent connecting portion; the first gap and the second gap penetrate the current collector axially, and the first gap between each welding portion and the central portion connects the welding portion to the second gap between the welding portion and the adjacent connecting portion.

The utility model discloses a welding type multistage centrifugal pump which comprises a water inlet section, a middle section, a water outlet section and a connecting piece, the middle section is arranged between the water inlet section and the water outlet section, the water inlet section and the water outlet section are fixedly connected through the connecting piece, and the water inlet section comprises a suction box body, a first pull plate, a suction flange and a first pump foot. A suction box body is arranged on the left side of the middle section, a suction flange is welded to the outer side of the suction box body, the suction box body is sleeved with a first pulling plate, the inner side of the first pulling plate is welded to the surface of the suction box body, and a first pump foot is arranged at the bottom of the first pulling plate; a discharge box body is arranged on the right side of the middle section, a discharge flange is welded to the outer side of the discharge box body, a second pulling plate is arranged on the discharge box body in a sleeving mode, and the inner side of the second pulling plate is welded to the surface of the discharge box body.

The utility model belongs to the technical field of power batteries, and particularly relates to a battery cell group module, a battery pack and an electric device. The battery cell group module comprises a plurality of battery cell stacking bodies which are arranged along a first direction, and each battery cell stacking body comprises a plurality of battery cells which are arranged along a second direction; the connecting beams are arranged at the two ends, distributed in the first direction, of the battery cell stacking body; the two side plate groups are distributed on the two sides of the battery cell stacking bodies in the second direction, each side plate group comprises a plurality of side plate sections which are distributed in the first direction and are detachably connected, and the side plate sections located on the two sides of the same battery cell stacking body are detachably connected with the connecting beams located at the two ends of the corresponding battery cell stacking body and clamp and fix the battery cell stacking bodies during connection; and hoisting holes are formed in the connecting beams and / or the side plate sections. The side plate sections and the connecting beams are assembled flexibly, the space utilization rate can be increased, the lifting appliance can be directly connected and matched with the lifting holes to achieve lifting and transferring, and lifting and transferring are convenient.

The present disclosure provides a cable with cooling function, a current transmission device and an electric vehicle, which belong to the field of current transmission, in which the cable with cooling function includes: a semiconductor cooling module, a conductor and a control module; a cooling end of the semiconductor cooling module is disposed on at least one side of the conductor to absorb heat dissipated from the conductor; the semiconductor cooling module is electrically connected to the control module, and the control module is configured to control an electrical signal supplied to the semiconductor cooling module. The cable with cooling function provided in the present disclosure has the advantages of simple structure, flexible size, reliable performance, no noise and no refrigerant pollution.

The application discloses a passive wireless sensing label with multi-axis sensing function and belongs to the technical field of sensing; the device comprises a film layer, a first antenna layer, a piezoelectric layer and a second antenna layer which are sequentially stacked from top to bottom; an RFID chip and an RFID antenna are installed in the first antenna layer; the RFID chip is in signal connection with the RFID antenna; the piezoelectric layer is in signal connection with the RFID chip; the RFID chip is connected with a sensing structure, and the sensing structure is installed on the first antenna layer or the second antenna layer; the number of the sensing structure is two, the two sensing structures are horizontally arranged on the same plane, and the two sensing structures are perpendicular to each other. The passive wireless sensing label has the advantages of convenient manufacturing, low cost, flexible size, high starting sensitivity, flexible adjustment of sensing parameters and the like.