11 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 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 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 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 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.

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.