19 results about "Micro tube" patented technology

The application discloses a kind of micro tube robot assembly, drive and radial extrusion method, assembly includes the following steps: step one, 0.05-2wt.% magnetic colloidal particles are assembled into two-dimensional monolayer colloidal film under xy plane oscillation magnetic field;Step two, z direction direct current magnetic field is applied and gradually increase magnetic field intensity, until monolayer colloidal film breaks into sheet;Step three, precession magnetic field is applied, sheet is bent to form the micro tube robot of dense hollow tubular structure;Drive: micro tube robot can be accurately controlled by three-dimensional magnetic field and drive direction and speed, hollow interior space is used to capture and transport micro cargo;Radial extrusion: micro tube robot assembled under oscillation magnetic field can realize radial direction repeated extrusion without breaking.The present application realizes metastable assembly from one-dimensional isotropic microspheres to three-dimensional micro tubular micro robots for the first time, is suitable for newtonian fluid and non-newtonian fluid, and can meet different application scenarios.

A numerical calculation method for structural strength of micro heat exchange tube bundle, which belongs to the technical field of finite element analysis of micro heat exchange tube bundle structure in heat exchange equipment. The method comprises the following steps: firstly, the specific geometric structure of the micro heat exchange tube bundle is determined, and the structure is simplified. A repetitive pre-cooling sheet heat exchange tube bundle is selected as a model object, a corresponding structure model is established, and a structured grid is divided; then, the flow and heat exchange of the cold and hot fluids through the tube bundle inside and outside the micro heat exchange tube bundle are numerically simulated, and the pressure and temperature data on the boundary of the micro tube bundle are obtained, which will be used as the basis input for subsequent strength calculation; then, the strength calculation is carried out. The complex micro heat exchange tube bundle is simplified into a repetitive pre-cooling sheet heat exchange tube bundle, which reduces the calculation difficulty, thereby effectively reducing the calculation time and improving the calculation efficiency.

The invention relates to a micro tubular condenser integrated on an automobile hub unit, which comprises a condensation elbow group bent in an arc shape as well as an air accumulation cavity and a liquid accumulation cavity which are respectively connected to two ends of the condensation elbow group, an air inlet pipe is arranged on the air accumulation cavity, and a liquid outlet pipe is arranged on the liquid accumulation cavity; lateral fixing plates are arranged on the two sides of the condensation bent pipe group, the air accumulation cavity and the liquid accumulation cavity are connected together through the lateral fixing plates, a plurality of inter-pipe fixing plates are arranged on the condensation bent pipe group in the length direction of the condensation bent pipe group, fixing holes and ventilation holes are formed in the inter-pipe fixing plates, and condensation bent pipes in the condensation bent pipe group are fixed through the fixing holes. The micro tube type condenser can be integrated in the hub, is small in occupied space, can perform sufficient heat exchange with external cooling air, is high in heat exchange performance, optimizes the utilization of internal space, effectively reduces the weight of the whole vehicle, reserves more space for the layout of other components of the hub motor, and improves the service life of the hub motor. And the hub motor driving system is pushed to advance towards the direction of higher integration level and better performance.

The proposed concept thus aims at providing solutions, solutions, concepts, designs, methods and systems related to a micro tube device for use with a fluid based dental floss system. In particular, embodiments aim at providing a micro tube device for use with a fluid based dental floss system by providing an elongated micro tube having at least one lateral opening in a side portion of the micro tube. In other words, it is proposed that by providing an elongated micro tube having at least one lateral opening in a side portion thereof, a more effective and / or efficient fluid based dental floss cleaning can be provided. For example, the micro tube is small enough to fit into interdental spaces and due to having a lateral opening from which fluid can be ejected, the fluid can be shot orthogonally towards the oral surface, thereby providing a more effective and / or efficient cleaning.

The application relates to a barium-zirconium-cerium-yttrium-based micro tube type battery series connection structure and a processing method thereof. The electrolyte tube is made of BZCYYb. An anode layer is coated on the inner wall of the electrolyte tube, and the material of the anode layer is NiO and BZCYYb. A cathode layer is coated on the outer wall of the electrolyte tube, and the material of the cathode layer is PrBSCF and BZCYYb. The end portions of two adjacent electrolyte tubes are fixed by insulating glue. The left end portion of a silver film is attached to the inner wall of the anode layer of an electrolyte tube, and the right end portion of the silver film is attached to the outer wall of the cathode layer of the adjacent electrolyte tube through the insulating glue. The method has the advantages that the electrolyte tube wall can be better attached, and the gap between the series connection batteries is small.

The high-speed winding machine comprises a material storage mechanism and a double-station winding mechanism located on the rear side of the material storage mechanism, the material storage mechanism comprises a material storage frame, a driving wheel disc, a driven wheel disc and a traction machine, and a product sequentially bypasses the driving wheel disc and the driven wheel disc from front to back and then is input into the traction machine; the driving wheel disc can rotate around the axis of the driving wheel disc and can be movably installed on the storage frame in the front-back direction, the driven wheel disc can be rotatably installed on the rear side of the driving wheel disc around the axis of the driven wheel disc, and the traction machine is used for dragging products from front to back. The double-station winding mechanism comprises a rack, a wire arranging assembly installed on the top of the rack and a pair of winding stations oppositely arranged in the front-back direction, and the wire arranging assembly is used for selecting one product conveyed by the storage mechanism to convey the product to one winding station. Each winding station is provided with a winding shaft capable of rotating around the axis of the winding shaft and a winding motor in transmission connection with the winding shaft, and the winding shafts are used for winding products when rotating around the axes of the winding shafts.

The invention provides a micropipe joint, and relates to the field of micropipe connection. The micro pipe joint comprises a body, an O-shaped ring is placed in the body, a guide part is clamped in the left side of the body, a filling part is clamped in the guide part, a locking part is clamped in the filling part, a locking plate is arranged between the locking part and the filling part, an elastic claw is arranged on the locking part, and the elastic claw is clamped in the guide part. A clamping groove is formed in the inner wall of the filling piece, and a butt joint groove is formed in the guiding piece. According to the micro pipe joint, the filling piece is additionally arranged, and the guiding structure is arranged inside, so that guiding movement is conducted inside the body, external foreign matter cannot enter the body, and the problem that when gravel or other sundries enter the through hole, closing and opening of a locking piece can be affected, and the function fails is solved.

The invention discloses a remote cooperative intelligent microtube fiber blowing control system, and relates to the technical field of optical fiber communication, and the system comprises the following components: a precise microtube airflow optimization module which selects a special material to make a microtube with a smooth inner wall, and is provided with an inlet guide and an internal turbulence device to construct an airflow channel, according to the invention, through meticulous design of the size of the microtube, inner wall processing and an airflow adjusting structure, it is ensured that airflow in the microtube is stable and efficient, an optical fiber can be effectively pushed to move forwards smoothly, construction stagnation caused by unsmooth airflow is reduced, and the construction quality is improved. Multi-dimensional data such as airflow parameters, equipment operation states and environment parameters in the micropipe are collected and analyzed in real time, operation parameters of all modules are dynamically adjusted according to preset rules and real-time conditions, instructions are accurately responded through a high-performance motor and an air pump, stable and adjustable power is provided, faults and delay in the construction process are reduced, and the construction efficiency is improved. And the optical fiber laying speed is accelerated.

The invention discloses a miniaturized endoscopic system based on optical fiber sensing and photoacoustic imaging and an imaging method.The system comprises an excitation unit, a scanning unit, a detection unit, a sensing unit and a control processing unit, the excitation unit generates synchronous excitation light of at least two wavelengths, and the scanning unit guides and scans the excitation light and then transmits the excitation light to the detection unit; the detection unit adopts a miniature tube body with the outer diameter smaller than or equal to 3 mm, side-view imaging is achieved through combination of a gradient refractive index lens and a reflecting prism, meanwhile, photoacoustic signals are received, the sensing unit completes signal collection and conversion through a photoacoustic sensor, a delay optical fiber and a second acoustic optical modulator, the delay optical fiber and the second acoustic optical modulator are connected in parallel, and the control processing unit achieves whole-system time sequence synchronization based on an FPGA. And signal demodulation, image reconstruction and blood oxygen parameter analysis are completed. The device is miniaturized and high in sensitivity, can synchronously obtain the capillary structure and blood oxygen function information of the target tissue, and provides technical support for intraoperative evaluation.

The utility model provides a micropipe bending tool, and relates to the technical field of micropipe machining tools, the micropipe bending tool comprises a base, an electric telescopic rod is arranged at the top end of the base, the output end of the electric telescopic rod is fixedly connected with an extrusion block, one side of the top end of the base is fixedly connected with a positioning block, and the other side of the top end of the base is fixedly connected with the extrusion block. One side of the top end of the base is rotatably connected with a push rod, the top end of the push rod is fixedly connected with a bending block, one side of the positioning block is provided with an adjusting device, the adjusting device comprises a sliding block, the bottom end of the sliding block is fixedly connected with a T-shaped block, and one side of the base is provided with a sliding groove. The first screw rod is rotated to control the T-shaped block to move on the outer surface of the first screw rod and the inner wall of the sliding groove, the sliding block is driven to move to adjust the distance between the sliding block and the positioning block, so that the micropipe presents different bending radiuses when passing through the surfaces of the sliding block and the positioning block to be bent, the bending radius of the bending tool on the micropipe is conveniently adjusted, and the use efficiency of the tool is improved.

The application discloses an embedded manifold microchannel LTCC substrate with added micro needle fins, which comprises a top cover layer, a middle microchannel layer, a bottom substrate layer and an external driving assembly. The top cover layer is provided with a radio frequency device unit. The middle microchannel layer is provided with a main path and a bypass manifold microchannel. A plurality of shunt micro needle fins are arranged at the input section of the main path manifold microchannel. A plurality of turbulence micro needle fins are arranged at the bypass manifold microchannel. The bottom substrate layer is provided with an inlet / outlet port. The external driving assembly comprises a controller, a micro tube and a micro pump. During operation, the cooling medium is transmitted through the micro tube, flows through the main path manifold microchannel of the middle microchannel layer, is distributed to the bypass manifold microchannel through the shunt micro needle fins, is fully mixed under the action of the turbulence micro needle fins, carries away the heat generated by the high-power radio frequency device and is transported to the external environment. The application realizes the organic fusion of the LTCC substrate and the heat dissipation technology and strengthens the efficient cooling of the high heat flux density radio frequency device.

The invention discloses a beauty instrument with a micro-current leading-in function, and belongs to the technical field of micro-current beauty equipment. The beauty instrument with the micro-current leading-in function comprises an outer shell, an upper top cover is fixedly installed at the upper end of the outer shell, and a main control shell and an exudation head are arranged, so that the main control shell and the exudation head are fixedly connected; according to the micro-current massage device, the exudation head is arranged, so that after the exudation head is pressed to make contact with the skin, lubricating liquid flows out of the micro-tube on the side edge of the exudation head, and therefore the skin subjected to micro-current massage can be continuously and effectively lubricated; the electric control switch can electrify the metal contact on the lower side of the pressure sensor, and current flows between the positive contact piece and the negative contact piece at the moment, so that the situation that the deep fascia part is stimulated by the current and the human health is damaged due to the fact that only a plurality of single poles or the positive contact piece and the negative contact piece which do not correspond to each other are in contact with the skin is avoided.

The invention discloses a global sensing type intelligent temperature control cable and a preparation method thereof, and the cable comprises a conductor, an inner insulating layer, an intelligent sensing response layer, an outer insulating layer, a fireproof layer, an electromagnetic shielding layer and a sheath layer, and the intelligent sensing response layer comprises a polyimide composite belt, a sensing micropipe and a liquid cooling micropipe. Perfluoropolyether cooling liquid and gallium-indium-tin liquid metal micro-droplets are filled in the sensing micro-tubes, high-thermal-conductivity nano-fluid is filled in the liquid-cooling micro-tubes, and the sensing micro-tubes and the liquid-cooling micro-tubes form a sensing channel and a temperature control channel through parallel design respectively; inlets and outlets of the sensing channel and the temperature control channel are arranged at the end part of the cable and are integrated with a double-cavity micro piezoelectric pump and a double-cavity micro radiator to form a sensing array and a temperature control array, and an embedded edge controller electrically connected with a sensing micro tube is integrated in the double-cavity micro piezoelectric pump. According to the invention, transmission, heat dissipation and sensing are integrated, and accurate positioning of various faults such as extrusion, cutting, overheating and the like is realized.

The present invention relates to the technical field of material performance testing, and discloses a real-time observable miniature tubular furnace, which comprises: a housing, the middle of which defines a mounting chamber and the bottom of which is provided with an exhaust pipe; one end of each air inlet pipe is communicated with the mounting hole, and the other end of each air inlet pipe penetrates through the top plate in the horizontal direction and extends to the outside; the quartz tube is vertically arranged in the mounting cavity, and the corundum table is arranged in the quartz tube; the observation light window is embedded in the inner surface of the mounting hole and is positioned above the calcined sample. According to the invention, gas can be introduced from multiple directions and is uniformly distributed in the furnace body, so that local temperature fluctuation of a sample is avoided; in the sintering process, the microstructure change of the sintered sample can be captured in real time through the observation light window; and the high-temperature ceramic heating wafer and the high-temperature ceramic heating arc-shaped piece can enable heat to be more uniformly transferred to the sintered sample, so that local overheating of the sintered sample is avoided, the stability and the uniformity of temperature rise of the sample are guaranteed, and the quality of a sintered product is improved.

The application relates to an automatic welding device and a welding method for blind welding of superfine wires and micro tubes, which comprises a wire pushing unit, a tubular workpiece feeding unit and a welding unit. The wire pushing unit comprises a lead wire clamp plate for clamping and moving the wire, a wire threading clamp for supporting the wire, and a servo motor located below the lead wire clamp plate for driving the lead wire clamp plate to move forward. The tubular workpiece feeding unit comprises a feeding platform for placing the tubular workpiece, a feeding mechanism for conveying the tubular workpiece to the feeding platform, and a feeding platform cylinder for controlling the forward movement of the feeding platform. The welding unit comprises an upper point welding electrode and a lower point welding electrode. The servo motor controls the forward movement of the lead wire clamp plate to the welding position, the wire head passes through the wire threading clamp to above the lower point welding electrode, the feeding platform moves forward to wrap the tubular workpiece on the lower point welding electrode and tightly contact the wire, the upper point welding electrode is downwardly tightly contacted with the tubular workpiece to form a loop welding with the lower point welding electrode. Compared with the prior art, the application can automatically weld in the tubular workpiece, improve the production efficiency and reduce the labor cost.

The invention discloses a low-vibration double-cavity multi-tube-bundle integrated structure centrifugal pump which comprises a pump core, an outer shell, a vibration isolator and a multi-tube-bundle flow channel system, the pump core adopts an even number of stages of back-to-back impellers which are symmetrically arranged to form a force balance structure, and a motor is arranged in the waist of the pump core; an independent suction cavity and an independent pressure cavity are arranged in the outer shell, and a plurality of groups of micro-tube bundle flow channels are integrated in each cavity; the pump core and the outer shell are in multi-path coupling connection through the flexible vibration isolator and the distributed micro tube bundle. Through the synergistic effect of the flow resistance dissipation effect of the microtube bundle and the vortex interference mechanism of the double cavities, fluid pulsation energy is reflected and attenuated multiple times in the transmission process; meanwhile, multi-stage attenuation of vibration energy is achieved through flexible conduction of the micro tube bundle and the damping characteristic of the vibration isolator. The high-efficiency hydraulic pump has the characteristics of compact structure and modularization, realizes low-vibration and low-noise operation while ensuring high-efficiency hydraulic performance, and is suitable for the industrial fields with precision fluid conveying and high stability requirements.

1. The name of the design product: connecting piece (plug). 2. The use of the design product: used to close the end of the communication micro tube, prevent soil into the pipeline. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a multi-chip package integrated self-heat-dissipation structure based on liquid phase change material and belongs to the technical field of integrated circuit package heat dissipation. The application adopts a mode of combining in-chip micro flow channel and phase change material to realize three-dimensional laminated package heat dissipation structure design, and the micro flow channels between the chips are communicated through micro tube through holes, so that the heat of the internal chips of the laminated structure can be efficiently conducted to the upper heat sink or radiator, and the application is an effective solution for laminated chip package heat dissipation. The application is suitable for the design of the heat dissipation structure of three-dimensional laminated package of bump flip or wire bonding, and can also be popularized and applied to the design of the heat dissipation structure of high-power single-chip package.

The application discloses a low-vibration double-cavity multi-tube bundle integrated structure centrifugal pump, which comprises a pump core, an outer shell, a vibration isolation body and a multi-tube bundle flow channel system, wherein the pump core is symmetrically arranged in an even number of back-to-back impeller pairs to form a force balance structure, and a motor is built in the waist part of the pump core; an independent suction chamber and a pressure chamber are arranged in the outer shell, and multiple groups of micro tube bundle flow channels are integrated in each chamber; the pump core and the outer shell are connected through a flexible vibration isolation body and a distributed micro tube bundle to realize multi-path coupling. The flow resistance dissipation effect of the micro tube bundle and the vortex interference mechanism of the double-chamber are cooperated to reflect and attenuate the fluid pulsation energy multiple times in the transmission process; meanwhile, the vibration energy is attenuated multiple times through the flexible conduction of the micro tube bundle and the damping characteristics of the vibration isolation body. The application has the characteristics of compact structure and modularity, can ensure high efficient hydraulic performance, realize low-vibration and low-noise operation, and is suitable for the industrial fields with high stability requirements and precise fluid conveying.