30results about How to "Flexible and easy way" patented technology

The invention discloses a fixing structure for a transverse stabilizer bar of a coach, the bar body of the transverse stabilizer bar is installed on a coach frame or a frame rail by a fixing bracket; and two bent ends are suspended on an axle or the frame rail by suspenders. The invention changes the traditional installment mode of the transverse stabilizer bar, has simple fixing structure, adopts a flexible and convenient mode, not only ensures that the body of the coach does not fiercely incline transversely when the coach turns, but also reduces matched parts, saves lots of space, lowers installment size requirement for two ends of the transverse stabilizer bar, and reduces the production cost.

The present invention discloses a double-grating spectrometer system for distinguishing a N2 molecule rotation-vibration Raman spectrum. The double-grating spectrometer system comprises a signal feeding unit, an optical dispersion unit and a signal detection unit. The signal feed unit employs cluster fibers to feed signal light in the optical dispersion unit; the optical dispersion unit includes two groups of single-grating dispersion systems with cascade quasi-Littrow structure layout; and the signal detection unit is configured to distinguish and record spectrum signals after dispersion in the pass band range. Under the ultraviolet laser radiation with wavelength of 354.8nm, the Stokes rotation-vibration Raman spectrum center generated by N2 molecules has a wavelength of 386.8nm, and each spectral line of the O branch spectrum and the S branch spectrum symmetrically distributed at two sides are arranged at regular intervals on the frequency spectrum. The double-grating spectrometer system for distinguishing a N2 molecule rotation-vibration Raman spectrum is able to extract signals of each branch spectral line of the O branch spectrum and the S of the N2 molecule rotation-vibration Raman spectrum, realize the distinguishing and detection of the N2 molecule rotation-vibration Raman spectrum and generates great inhibition of optical signals closed to 354.8nm.

The present invention relates to a personal trainer fitness management system and method based on a thermal imager and a smart bracelet. The personal trainer fitness management system comprises: a thermal imager configured to obtain a shell temperature; a smart bracelet configured to obtain a heart rate value of a fitness user; a smart sound configured to obtain the fitness user's voice and personal trainer voice; a camera configured to obtain a face image; a storage; and a controller configured to communicate with the thermal imager, the smart bracelet, the sound box and the storage. The personal trainer fitness management system and method can automatically obtain the current physical state of the user, can determine the user's fatigue grade, can regulate the training plan according to the user's fatigue grade, employ the thermal imager to obtain the fitness user's shell temperature, employ the smart bracelet to obtain the fitness user's heart rate and can determine the fitness user's fatigue grade according to the fitness user's shell temperature and heart rate to further regulate the pre-determined training plan so that the mode is flexible and convenient and the user usage experience is improved with no need for manual participation.

The invention relates to a composite material and a preparation method thereof, which can be widely used in fields such as batteries, environmental protection, adsorption dehumidification, air conditioning, refrigeration, heat pumps, pressure-changing separation and purification, and hydrogen storage manufacturing. The composite material is composed of a supporting framework material, carbon microspheres and / or carbon membranes and load materials. The loading materials include salts, electrode materials and physical adsorbents. The carbon microspheres and / or carbon membranes are firmly attached to the pore walls of the supporting framework materials. The material is evenly distributed in the carbon microspheres and / or carbon film, which realizes the direct embedding of the loading material between the carbon atoms, the anti-agglomeration and deactivation ability is significantly enhanced, and the service life is effectively improved; the composite material breaks the ratio of the original skeleton material The surface area limitation can effectively increase the specific surface area of ​​the composite material under the premise of increasing the load capacity, and strengthen the adsorption, reaction or electron transfer rate; the composite material is convenient to achieve the adsorption between the adsorbent and the heat exchange wall by extrusion, bonding or brazing. The close contact can effectively reduce the contact thermal resistance between the two.

The invention discloses a method for preparing a multilevel silicon nanometer device. The method comprises at least one cycle of the following steps: 1) using a scanning probe microscope to carry out scanning probe oxidation on the Si-H surface to be processed on the silicon substrate to obtain a nanoscale oxide pattern; 2) performing step 1) to obtain The silicon chip with the oxide pattern is placed in an anisotropic etching solution for reaction to obtain the required multi-level silicon nanometer element. The method for preparing multilevel silicon nano-devices of the present invention combines the advantages of high resolution and flexible operation of the scanning probe microscope and the relatively mature chemical wet etching technology (anisotropic wet etching technology) in the microelectronics industry , to achieve the preparation and processing of multi-level nanostructures. The method has high resolution, strong controllability, low cost, and simple operation, which provides a flexible and convenient way for the processing and preparation of multilevel nano-devices, and has broad application prospects in the field of nano-devices.

The invention discloses a double-grating spectrometer system capable of detecting three-phase-state water Raman spectral signals simultaneously. The system comprises a signal feed-in unit, an optical dispersion unit and a signal detection unit. The signal feed-in unit uses a fiber in the core diameter of 0.6mm and numerical aperture of 0.12 to feed conducted signal light into the optical dispersion unit; the optical dispersion unit comprises two cascaded grating dispersion systems of quasi-Littrow structural layout, can transmit and disperse passband signal light in the range 393.0-424.0nm in the focal plane efficiently in the linear dispersion rate of 1.0mm nm <-1>, and generates inhibition superior to 6 magnitude orders for outband light near 354.8nm; and the signal detection unit can distinguish and record the passabnd signal light after dispersion in the spectral precision of 0.8nm. In 354.8nm UV laser radiation, vibration-rotation Raman spectral regions of gas-sate, liquid-state and solid-state water correspond to the ranges of 395-409nm, 396-410nm and 401-418nm respectively; the passband spectral range covers the vibration-rotation Raman spectral regions of the three-phase-state water, the three-phase-state water Raman spectral signals are detected simultaneously, and substantial inhibition is generated for optical signals near 354.8nm.

The invention relates to an arc surface center measuring instrument and a center measuring method. At present, there is no measuring instrument that can quickly obtain the center position of the arc surface. The arc surface center measuring instrument of the present invention is characterized in that it includes a direction indicator plate, two legs of equal length, a marking pen, and a central shaft sleeve for fitting the marking pen, and is used to clamp the two legs to keep the two legs. Elastic clips with legs tangent to the measured arc surface at the same time, central shaft card slot, locking bolts for axial positioning of the marker pen set in the central shaft sleeve, and for connecting the direction indicator wheel, The connecting bolts of the two legs, the slot of the central axis and the central axis sleeve. The center measurement method of the present invention is characterized in that: the two legs are simultaneously tangent to the arc surface of the measured tube, and the marking pen is inclined to one side of the arc surface center measuring instrument for marking, and the arc in this direction can be found. The center point of the face. The method of measuring the center line and center point of the arc surface of the present invention is flexible, simple and efficient.

A finger vein information security management platform, comprising a finger vein smart terminal, a communication network, a server, a client access terminal, and an identity authentication terminal; the finger vein smart terminal is connected to a server through a communication network, and the client access terminal and the server are connected through connected to a communication network; the identity authentication terminal is connected to a server through a communication network; the server is a cloud server; the finger vein smart terminal includes a finger vein recognition device and a shell; the finger vein recognition device includes a control board, and the control The main board is connected to the finger vein collector, voice player, audio collector, video collector, capacitive touch screen, wireless communication module, LED display light and RFID reader; the control board is provided with a local storage module and an alarm card, so The above alarm card is connected with the voice player. The system has the advantages of high safety, convenience and quickness.

The invention discloses a method for manufacturing a micro-fluidic chip die through combination of a numerical control carving technology and a paraffin substrate, and belongs to the field of micromachining. According to the method, a micro-fluidic chip pattern drawn through drawing software is etched on the paraffin substrate, and a paraffin female die is formed; the surface coating technology isutilized for improving the smoothness of the surface of the paraffin female die; and finally, the micro-fluidic chip die is manufactured through a pouring die inversing method. According to the method, on one hand, the characteristic that the hardness of paraffin is low is utilized, the phenomenon of cutter fracture is not likely to happen when an ultrafine-diameter cutter is used for machining amicro pipeline or micro cavity structure, and accordingly the micro-fluidic chip die with the finer structure can be prepared; and on the other hand, operation is simple, only the steps of AutoCAD chip design, carving machine machining, surface coating, pouring die reversing and the like are needed, the micro-fluidic chip die machining time can be greatly shortened, and the micro-fluidic chip diemachining cost can be greatly reduced. The method for manufacturing the micro-fluidic chip die is suitable for small-batch production or laboratory level machining of micro-fluidic chips.

A cyclic verification and test system for power transmission and transformation status maintenance and test devices comprises an industrial computer, a test standard apparatus, a data collection module and a data processing module. The test standard apparatus is connected to the industrial computer through a CAN bus. A data collection card, a digital multimeter and a manual input unit of the data collection module are connected to the test standard apparatus respectively. The data processing module comprises the following: a PCI interface, a GPIB interface and a USB interface. A data processing template library and a certificate template library are connected to a data processor respectively. The data collection card, the data multimeter and the manual input unit are connected to the PCI interface, the GPIB interface and the USB interface respectively. The data processor is connected to the industrial computer. The cyclic verification and test system for power transmission and transformation status maintenance and test devices has advantages of high reliability, high stability, high integrity density, easy to use onsite and the like, and can perform onsite inspection and test on power transmission status maintenance and test devices for a long period of time without interruption.

The invention discloses a front wall heating surface structure of a CDQ (Coke Dry Quenching) waste heat boiler. In order to solve the problem of water circulation faults of a conventional water-cooled wall of a CDQ waste heat boiler, the front wall heating surface structure of the CDQ waste heat boiler comprises a water-cooled wall section and a lateral washing section; a pipe at the water-cooled wall section extends to the interior of a gas duct at the tail part of a waste heat boiler to form the lateral washing section; the axial line of a pipe at the lateral washing section forms an inclined angle of not larger than 30 degrees with the horizontal plane; and one end of the pipe at the lateral washing section is communicated with the pipe at the water-cooled section, and the other end is fixed on a lower interconnecting box close to a front wall or a rear wall. The pipe on the water-cooled wall of the front wall of the CDQ waste heat boiler extends to the interior of the gas duct at the tail part of the waste heat boiler to form the lateral washing section, so that the heat absorption capacity of the front wall heating surface is increased, and the water circulation safety of the front wall heating surface is improved.

The invention discloses a CNC machine tool tip dynamic characteristic accuracy detection device and a method thereof, which mainly solve the problems of incomplete and inaccurate detection performance indicators of the existing CNC machine tool tip dynamic characteristic, high detection cost of instruments and cutting specimens, and the like. The CNC machine tool tool tip dynamic characteristic accuracy detection device includes a support, a connecting plate and an L-shaped support wall plate. Displacement sensors arranged vertically in pairs are installed on the top of the support through holes in a penetrating manner. At the same time, through the main heat sources of the integrated machine tool Acquisition of temperature data at the center, realizing real-time information acquisition of the position and orientation of the tool tip point during the spindle swing or rotation movement, automatic acquisition of fused data information through the data collector, high-speed transmission into the computer for recording and analysis, and completion of accuracy-related calculations and compensation data generate. The invention has ingenious structural design, comprehensive tool tip characteristic testing functions, strong versatility, greatly reduces the cost of testing the precision of numerical control machining, and has good practical and popularization value.