120results about How to "No structural changes" patented technology

The invention provides underwater wireless charging equipment for an autonomous underwater vehicle, relates to the underwater wireless charging equipment for the autonomous underwater vehicle, and aims at solving the problem that no vehicle is designed on the basis of an internal charging structure of a wireless energy transmission technology. The equipment comprises the autonomous underwater vehicle, an underwater charging device and capture mechanical arms, wherein the autonomous underwater vehicle comprises a coupler secondary terminal, a resonance compensation circuit, a rectifier and filter circuit, a DC chopper, a master controller of the autonomous underwater vehicle, a load, a microprocessor, a battery pack, a current sensor, a demodulator circuit, a communication controller and a bus; and the underwater charging device comprises a submarine transmission cable, a water-tight joint, capture mechanisms, a transformer, another rectifier and filter circuit, a high-frequency inverter circuit, another resonance compensation circuit, a drive controller, a coupler primary terminal, another demodulator circuit and another master controller. The underwater wireless charging equipment is applied to the field of underwater wireless charging of the autonomous underwater vehicle.

The invention discloses a porous fine denier nylon fiber used for water collection. Through appropriate processing of a nylon fiber, the porous fine denier nylon fiber can be prepared. The porous fine denier nylon fiber is of a certain micro / nano structure, moisture in air can be condensed into small water drops on the surface of the porous fine denier nylon fiber, the small water drops move directionally on the surface of the fiber to converge to form large water drops, finally the large water drops are separated from the surface of the fiber to enable the surface of the fiber to restore, and therefore the porous fine denier nylon fiber has the effect of a phase shift catalyst. The large water drops obtained through convergence can be obtained through collection, and therefore a potential solution is provided for solving the problem of water resource shortage.

The invention provides a display panel and a manufacturing method thereof and a method for driving the display panel. The display panel comprises an array substrate and a controller, wherein a plurality of pixel units are arranged on the array substrate; light-emitting elements are arranged in the pixel units; reflective layers and optical sensors electrically connected with the controller are arranged in at least a part of the pixel units; the reflective layers are arranged in the light-emitting directions of the light-emitting elements and used for reflecting the emergent light emitted fromthe light-emitting elements to the optical sensors; the optical sensors are used for measuring the real-time intensity of the reflected light; and the controller is used for adjusting the light-emitting intensity of the light-emitting elements to approach the theoretical intensity according to the real-time intensity. The display panel has the beneficial effects that the real-time compensation ofthe emergent light emitted from the light-emitting elements of the pixel units can be realized; the defect of poor display effect due to aging or badness is overcome; a good display effect can still be realized after long-time use; and the structure is simple and the overall structure of the display panel needs not to be changed, so that the display panel is easy to realize in process and the industrial production is easy.

The invention discloses a demagnetization detection apparatus and detection method of a permanent magnet synchronous linear motor. The demagnetization detection apparatus of a permanent magnet synchronous linear motor is characterized in that a linear motor with a demagnetization detection apparatus is used as a detection motor; the demagnetization detection apparatus takes an aluminium block as apedestal; a gaussmeter probe is fixedly arranged on the aluminium block by means of a clamp, so that the probe is arranged in the space air gap of the linear motor to be detected; adjusting bolts areused to adjust the positions of three detection points of the gaussmeter probe in space air gap of the linear motor to be detected; and the demagnetization detection apparatus is used for detecting distribution of air-gap flux density at the positions of the three detection points of the linear motor to be detected so as to realize demagnetization detection. The demagnetization detection apparatus and detection method of a permanent magnet synchronous linear motor can determine the difference distribution between the flux density to be detected and normal flux density distribution, and can extract the demagnetization fault characteristics. The demagnetization detection apparatus and detection method of a permanent magnet synchronous linear motor can realize accurate identification of thedemagnetization fault by means of a PNN classification algorithm.

The invention provides a blade hanger device of a wind turbine generator. The blade hanger device comprises a hanging bracket, a plurality of first studs and a plurality of second studs, wherein the two ends of the hanging bracket are provided with stud mounting holes corresponding to thread holes in the root of a blade; the second studs are used for connecting a variable paddle bearing and the blade and can form a space for containing the hanging bracket between the variable paddle bearing and the blade; and the first studs are used for connecting the hanging bracket with the blade. According to the blade hanger device of the wind turbine generator, provided by the invention, a blade mounting stud is replaced through the second studs, and the hanger device is mounted in the thread holes of the blade through the first studs; an existing structure of the blade is sufficiently utilized to mount and dismount the blade; and the structure of the blade does not need to be changed, the dismounting efficiency is high and the maintenance cost is low.

The invention relates to a high specific surface area mesoporous zinc oxide nano-cluster and a preparation method thereof. The obtained mesoporous zinc oxide nano-cluster is characterized by being formed by assembling and stacking hollow nanoparticles with the scale of 3-5 nm and the wall thickness of 1-2nm, and has the characteristics of high specific surface area, excellent photocatalytic performance and the like. The preparation method comprises the following steps: (1) mixing and stirring deionized water and ethylene glycol solution so as to obtain a mixed solution of ethylene glycol and water; (2) adding zinc nitrate, sodium hydroxide and sodium chloride aqueous solution into the mixed solution of ethylene glycol and water under rapid stirring conditions, and obtaining a reaction precursor solution for preparing the mesoporous zinc oxide nano-cluster; (3) reacting the reaction precursor solution for 1-10 hours while stirring at a room temperature, performing high-speed centrifugal separation and ultrasonic cleaning, drying, and calcining, so as to obtain the mesoporous zinc oxide nano-cluster. The high specific surface area mesoporous zinc oxide nano-cluster disclosed by the invention has important application values on aspects of photocatalytic degradation, drug delivery, bacteria resistance, environmental governance and protection and the like.

The invention provides a pneumatic swirling tundish for continuous casting, the pneumatic swirling tundish is composed of a tundish main body and an external tundish swirling chamber; the tundish main body communicates with the external tundish swirling chamber by a trench or a groove; a plurality of inclined blowing air holes are uniformly formed in the side wall away a certain height from the bottom of the external tundish swirling chamber along the circumference, the trench or the groove is positioned in the middle position of the tundish, the center surface of the trench or the groove is coincided with the center surface of the tundish main body and the external tundish swirling chamber; and the whole pneumatic swirling tundish is symmetric in left and right sides. The pneumatic swirling tundish for the continuous casting provided by the invention has the advantages of simple structure and low cost, and can realize the rotating flow of the molten steel under the driving action of the gas, and combines the bubble impurity removing to improve the removal efficiency of inclusions in the tundish.

The invention provides a medical intelligent storage robot, and relates to the field of medical equipment. The medical intelligent storage robot comprises a box body; a cover body is arranged at the top of the box body; a controller is fixedly mounted on one side of the box body; a separation plate is fixedly mounted in the box body; an air hole is formed in the separation plate; a heat conducting plate is fixedly mounted at the top of the separation plate, and is matched with the inner wall of the box body to form a placing tank; sponge cushion plates are fixedly mounted on two sides of the placing tank; and a movable plate matched with the placing tank for use is movably mounted between the two sponge cushion plates. The medical intelligent storage robot prevents rupture of test tubes in the carrying process, achieves an excellent protecting effect on the test tubes, prevents deterioration of medicament, guarantees normal use of the medicament, increases functions of a storage box, improves the adaptability of the storage box, reduces the loss of economical properties, and is simple in structure and convenient to operate, popularize and apply.

The invention discloses a crushing robot for medicinal materials, which comprises a grinder shell, a feed hopper is arranged on the top of the grinder shell, a discharge hopper is set on one side of the grinder shell, and the shell of the grinder A crushing chamber is provided inside, a grinding chamber is provided below the crushing chamber, a separation plate is provided between the crushing chamber and the grinding chamber, a separation plate is provided inside the crushing chamber, and one side of the separation plate is provided There is a first motor, and the first motor is fixedly installed on one side of the inner wall of the shredder shell, and the output shaft of the first motor is fixedly connected with a rotating rod. In this crushing device for traditional Chinese medicine, the medicinal material enters the crushing chamber through the feeding hopper for preliminary crushing, then enters the grinding chamber for deep grinding, and then discharges it from the discharge hopper. The crushing effect is high, the waste of human resources is reduced, and the work efficiency is improved. Effectively improve the utilization efficiency of medicinal materials and reduce the waste of medical effects of medicinal materials.

A disclosed spiral tube heat exchanger suitable for an aviation engine comprises a mixing chamber and a stainless steel tube bundle; the mixing chamber comprises a first-order mixing chamber and a second-order mixing chamber; the first-order mixing chamber comprises two '-' type circular pipes and two Z-shaped bend pipes; the second-order mixing chamber comprises N circular pipes; two ends of each of a part of circular pipes are respectively communicated with the two '-' type circular pipes, and the other end of each of the two '-' type circular pipes is enclosed; and two ends of each of the other part of circular pipes are respectively communicated with the upper ends of the two Z-shaped bend pipes, and the other end of each of the two Z-shaped bend pipes is enclosed; the stainless steel pipe bundle comprises multiple stainless steel pipes which are spiral pipes, and the stainless steel pipes are arranged in a circular radial manner for forming the stainless steel pipe bundle; and the two parts of the circular pipes are vertically corresponding and are in communication via stainless steel pipes. The spiral tube heat exchanger has the heat exchange efficiency substantially improved compared with the heat exchange efficiency of a common civil tube-bundle heat exchanger. The spiral pipe is capable of avoiding damage to heat exchanger structure and welding spots by absorbing engine self shock and forced shock during practical running of the aviation engine.

The object of the present invention is to provide, in the production of semiconductor circuit elements, a photoresist residue removing liquid composition which is excellent for removing photoresist residues after dry etching without attacking the wiring material or the interlayer insulating film etc. This is made possible by a photoresist residue removing liquid composition containing one or more members selected from the group consisting of reducing compounds and their salts and one or more members selected from the group consisting of aliphatic polycarboxylic acids and their salts.

The invention discloses a novel micromechanical battery, which consists of a shell, a prime motion mechanism, a gear speed-up mechanism, a micro-generator and a capacitor which are mutually connected, wherein the mutual connection relation is that: the prime motion mechanism is connected with the gear speed-up mechanism; an output end of the gear speed-up mechanism is connected with a rotor magnet of the micro-generator; the two ends of a stator coil of the micro-generator are connected with the capacitor; and two wires are led out of the two ends of the capacitor to extend to the shell of the battery to become a positive electrode and a negative electrode of the battery. The battery can be used as an independent power supply for different electrical appliances, has high practicability, is similar to the conventional chemical battery, is easy and convenient to use, does not produce pollution and has important environmental protection.

The invention discloses a quick construction hanging bracket for an external wall of a large storage tank. A rotating mechanism is sleeved in a central manhole at the upper end of an oil tank, and two sides of the rotating mechanism are symmetrically provided with connecting rods, wherein a steel wire rope is hung on the connecting rod at one side after the connecting rod extends out the external sidewall of the oil tank along the radial direction, the tail end of the steel wire rope is connected with a hanging basket, and the middle part of the steel wire rope is provided with a hand chain lever hoist; and the connecting rod at the other side is provided with a counter weight body. According to the invention, the rotating mechanism is mounted at the center of the manhole on an arch crown at the upper part of the oil tank, the manhole is utilized as a rotation center, the tail end of the connecting rod is provided with the hanging basket, and the rising and falling of the hanging basket is controlled by the hand chain lever hoist; and the quick construction hanging bracket is simple in structure and rational in design, the own structural performance of the oil tank is not changed, a supporting frame is omitted, so that the construction efficiency is improved greatly, and the safety is enhanced. By utilizing the quick construction hanging bracket, construction time is shortened greatly, a large number of scaffolds and the labor cost are saved, and the quick construction hanging bracket can be reused, so that the quick construction hanging bracket has outstanding economic benefits, and is suitable for being popularized and implemented.

The invention provides a high-drop falling-type pipeline energy dissipation conveying system. The conveying system comprises a plurality of falling pipelines and a plurality of energy dissipation pipelines; every adjacent falling pipelines are communicated through one energy dissipation pipeline; the upstream end of each energy dissipation pipeline is connected to the bottom of one falling pipeline positioned at the high position; the downstream end of each energy dissipation pipeline is connected to the top of one falling pipeline positioned at the low position; flow guide mechanisms are arranged at the bottoms of the falling pipelines and at the connecting positions of the falling pipelines and the energy dissipation pipelines; L-shaped connection channels are formed between the falling pipelines and the energy dissipation pipelines through the flow guide mechanisms. According to the invention, through the innovate design of the L-shaped connecting structures between the falling pipelines and the energy dissipation pipelines, ore pulp slurry from the falling pipelines can flow to the energy dissipation pipelines smoothly and freely, and phenomenon of eddy current abrasion to the pipelines, caused by buffering and overflow of the slurry is completed removed, so that energy dissipation of the high-drop slurry is realized to the utmost extent, the operation service life of the slurry pipeline system is prolonged, and the conveying efficiency of the slurry pipelines is improved.

The purpose of this invention is to provide a leather-like sheet having structure which substantially sustains repeated extensional deformations without causing permanent change of its original structure, excellent in elastic stretchability, having soft and dense feel and excellent in appearance without impairing its drapeability. The leather-like sheet of the present invention comprises an entangled nonwoven fabric which is made of a mixture comprising fibers of an elastic polymer and microfine fibers of an inelastic polymer having an average single fiber fineness of 0.1 dtex or less, wherein the fibers of the elastic polymer are partially porous and are partially fuse-bonded to each other.

The invention discloses a water heating unit with ground structure, comprising a heating unit body, a heat-dissipating metal plate, an electrical board, and a housing; the upper surface of the heat-dissipating metal plate is in contact with the electrical board; the lower surface of the heat-dissipating metal plate is in contact with the heating unit body; the housing comprises a bottom and a sidewall made of insulating material, the inner side of the sidewall is provided with cylindrical feet, mounting lugs are extended out from the bottom, the cylindrical feet are of metal, an inner layer ofeach mounting lug is of metal, and the cylindrical feet are in contact with the inner layers of the mounting lugs. The water heating unit also comprises a metal conductor, one end of the metal conductor is connected with the heat-dissipating metal plate, and the other end of the metal conductor is connected with the cylindrical feet. The heat-dissipating metal plate and the mounting lugs are madeingenious use; the structure of the water heating unit need not be modified; the water heating unit is convenient and simple to manufacture and is very suitable for serving as PTC (positive temperature coefficient) water heating units of similar water tank structure; the water heating unit has no increased size, attractive appearance, good grounding and assembly conveniences and is more convenient to use.

The invention is applicable to the technical field of image processing and particularly relates to a sculpture model generating system which generates a corresponding sculpture model according to image data and comprises an information reading module, a data processing module, a model mother blank processing module, and a sculpture model generating module, wherein the information reading module is used for reading the model configuration information of a to-be-generated sculpture model; the data processing module is used for acquiring a depth map corresponding to the image data; the model mother blank processing module is used for generating a model mother blank with a depth interval according to the model configuration information and dividing the model mother blank into cells in one-to-one correspondence with all pixel points in the depth map according to the depth map; the sculpture model generating module is used for determining the depth position of a corresponding cell in the depth interval according to the depth value of the pixel point, moving the cells to generate the sculpture model according to the depth positions, and generating customized sculpture models according to the model configuration information put forward by different consumers, and the sculpture model is high in accuracy.

The invention discloses a contactless cold starting device of a proton exchange membrane fuel cell. The contactless cold starting device comprises a direct-current power supply, a microwave generator, a microwave output device and a microwave heater, which are connected in sequence, wherein the microwave heater is used for carrying out contactless microwave heating on the proton exchange membrane fuel cell locate at the outer part of the microwave heater. For not influencing a structure of the cell and a normal working state of the cell, a microwave heating principle is utilized and the fuel cell in a cold starting process is heated, so that on one hand, the structure of the cell does not need to be changed and the working performance of the cell is not influenced; on the other hand, the starting problem of the fuel cell under a lower temperature is solved better and a commercialization progress of the proton exchange membrane fuel cell is accelerated. Meanwhile, the single-ridge type microwave heater has an effective heating speed on a thin-sheet-shaped or linear object; moreover, the vehicle-mounted direct-current power supply can meet the power supply requirements of the microwave heater; the microwave heater has a small size and high microwave heating efficiency, and a whole cold starting system occupies a small space.

The invention discloses a water cooling heat dissipation power module used for rail transit. The module includes a water cooling plate and two inversion units which are arranged on both sides of the water cooling plate; the inversion units include IGBT power units, composite busbars, mounting plates, IGBT driving boards, and optical fiber connectors; after the bottom surfaces of the IGBT power units are coated with thermally conductive silicone grease, the IGBT power units are installed on the surface of the water cooling plate, the IGBT power units are connected with the composite busbars, the mounting plates are directly fixed on the surface of the water cooling plate and plays a supporting role, and the IGBT driving boards are mounted on the mounting plates; and the optical fiber connectors are mounted on the mounting plates, and the optical fiber connectors adopt multi-core photoelectric integrated connectors. The water cooling heat dissipation power module used for the rail transit has the characteristics of light weight and integration, can achieve integration of two or more inversion units on one power module, and has high heat dissipation efficiency.

The blast furnace uniform air supply equipment with the external flow control area comprises a bustle pipe, the bustle pipe is connected with a hot air main pipe through the external flow control area, a plurality of hot air branch pipes are evenly arranged in the circumferential direction of the bustle pipe, the external flow control area comprises a direct flow section and a flow expansion section, and the hot air main pipe is connected with the flow expansion section of the external flow control area. The hot air bustle pipe is connected with the external flow control area direct flow section, and a baffle is arranged between the external flow control area direct flow section and the flow expanding section. Through the specific design of the external flow control area, the kinetic energy of hot air can be weakened, so that the flow speed of the hot air entering the bustle pipe is reduced, and the air distribution uniformity of each tuyere of the blast furnace is improved.

The invention belongs to the technical field of passive safety protection, and provides an energy absorption structure and an energy absorption buffer device. The energy absorption structure comprisesa support body and an energy absorption body, wherein the support body is in a cubic form; a first cavity is formed in the support body; the energy absorption body is contained in the first cavity and is propped against the inner wall of the support body; the energy absorption buffer device comprises a plurality of energy absorption structures, and every two adjacent support bodies are fixedly connected. According to the energy absorption structure and the energy absorption buffer device provided by the invention, the cubic support bodies are adopted to be matched with the energy absorption bodies separately, the same energy absorption buffer effect can be achieved due to the fact that impact force transmitted to each energy absorption body through any surface of the corresponding supportbody is the same, the energy absorption buffer requirements of a protected object can be met only by splicing a plurality of energy absorption structures into the energy absorption buffer device under different use scenarios, and the structures of the energy absorption structures do not need to be changed, therefore, the technical problems that the energy absorption structures need to be independently designed according to specific scenarios, and the universality is not high are effectively solved.

The invention relates to a shiitake mushroom picking device. The shiitake mushroom picking device comprises a vehicle frame, wherein the two sides of the vehicle frame are connected through a multistep step ladder, the vehicle frame is trapezoidal, and multiple layers of layer frames level with the step ladder are arranged at the bottom of the vehicle frame; and supporting seats are arranged at the bottom of the vehicle frame, and travelling wheels are mounted on the supporting seats. Side guide rails are further arranged and are located at the two sides of a vehicle frame and step ladder assembly so as to limit the travelling direction of the travelling wheels. According to the shiitake mushroom picking device provided by the invention, through adopting the trapezoidal vehicle frame with the travelling wheels, the picking of shiitake mushrooms of shiitake mushroom planting frames of high layers is facilitated; and the arranged layer frames facilitate the placing of picking boxes so as to adapt to the picking operation of the layer frames of different heights. In a preferred scheme, the arranged side guide rails can be used for limiting the travelling direction of the picking device, so as to prevent the picking device from being in collision with the shiitake mushroom planting frames; and the structural layout is very simple and has no need of changing the structure of the picking device.

The invention provides a self-cleaning structure for a spray head in an intelligent closestool, and belongs to the technical field of daily life. The self-cleaning structure solves the technical problem that a current self-cleaning structure for the spray head in the intelligent closestool cannot clean the spray head, and the like. The closestool comprises a cleaning pipe with the spray head at the front end and a bracket with a guide sleeve, wherein the cleaning pipe is arranged on the bracket; the spray head of the cleaning pipe is positioned in the guide sleeve; and a gap is formed between the spray head and the guide sleeve. The self-cleaning structure for the spray head in the intelligent closestool comprises a fluid storage tank used for storing a cleanout fluid, a clear water spray nozzle which communicates with a water path in the closetool, and a cleanout fluid spray nozzle which communicates with the fluid storage tank, wherein at least two cleaning holes which are in gap communication, and face towards the spray head are formed in the guide sleeve; the clear water spray nozzle and the cleanout fluid spray nozzle are fixedly arranged on the guide sleeve; a water spraying hole of the clear water spray nozzle is opposite to the corresponding cleaning hole; and a fluid spraying hole of the cleanout fluid spray nozzle is opposite to the corresponding cleaning hole. The self-cleaning structure has the advantage of being capable of cleaning the spray head more efficiently.

The invention belongs to the field of starch modification processing, and particularly relates to a granular starch lipid compound with a low glycemic index and a preparation method thereof. The method disclosed by the invention comprises the following steps of treating suspension of starch and lipid through ultrasound, and maintaining a temperature of a reaction mixing system to be lower than a gelatinization temperature T0 of the starch in the treatment process. The granular starch lipid compound with the low glycemic index is prepared through ultrasonic treatment, and has the advantages ofbeing simple in process, advanced in technology, easy to clean, free of pollution and the like. And the granular starch lipid compound with the low glycemic index prepared by the method has the characteristics of high compound index, high thermal stability, low glycemic index and the like, is easy to realize industrial production, and can be widely applied to the field of food processing of functional foods, health-care products and the like.

The invention relates to a wine glass bottle cork pressing mold and belongs to the field of light industrial machinery. The wine glass bottle cork pressing mold is composed of a centring cover, a guide rod, a clamping block and a pressing block and is suitable for various wine cork pressing machines. The cork pressing mold can press a cork with the diameter slightly larger than that of a bottle mouth into the bottle mouth after the cork is compressed, the cork is 10mm higher than the bottle mouth, and the cork in the bottle can seal the bottle mouth safely through self-expansion. During season changing, sealing is not affected by the shrinking of the cork, and the cork can be taken out conveniently to open the bottle.

The invention relates to the technical field of physical measurement, in particular to a nanoscale secondary magneto-optical Kerr effect measuring method. A measuring device comprises a computer, a laser I, a polarizing plate I, a laser II, a polarizing plate II, a convex lens I, a beam splitter, a convex lens II, a lens table, an atomic force microscope, a probe, a sample, a sample stage, a magnet, a signal generator, an oscilloscope, a convex lens III, a Wollaston prism I, a detector I, a detector II, a Wollaston prism II, a detector III, and a detector IV. A high-precision positioning device is used to simultaneously illuminate the two lasers to a sample surface at different incident angles so as to study the nanoscale magnetization properties. Two sets of detectors are used to record the reflected light intensity, a difference between reflected light intensities emiited by the sample is analyzed so as to calibrate a structure and electronic properties of the nano-scale sample withsecondary magneto-optical Kerr effect. A secondary magneto-optical Kerr effect signal and a longitudinal magneto-optical Kerr effect signal of the sample can be measured simultaneously without changing the structure of the device.

The invention provides an automotive engine hood lock mounting plate which can reduce the harm to legs of pedestrians during collision. The automotive engine hood lock mounting plate is characterized in that: a section of the mounting plate is in a Z shape; the mounting plate comprises a lower mounting face, a side face and an upper mounting face; the lower mounting face and the side face are provided with mounting holes used for mounting an engine hood lock. During use, the upper mounting face of the mounting plate is connected with an upper beam of a water tank, and the engine hood lock is fixed with the side face and the lower mounting face of the mounting plate through bolts. When the engine hood lock is collided with the legs of the pedestrians, the force is transferred to the mounting plate, the mounting plate takes a lapping joint between the mounting plate and the upper beam of the water tank as an axis to rotate, the collision energy is absorbed, simultaneously the collision time is prolonged, the impact on the legs of the pedestrians is reduced, and the safety of the pedestrians is protected. When a vehicle is collided with other obstacles at a low speed, the mounting plate bears the impact force from a parallel direction. The mounting plate has the same deformation mode as common mounting plates, and can avoid the ineffectiveness of the engine hood lock during collision.

The invention discloses a wire wrapping tension test device and test method. The device comprises a pedestal installed in an adjustable manner and a forcemeter arranged on the pedestal; an analog stressed piece is connected with the forcemeter, the analog stressed piece comprises a connection arm and a tension block connected with the forcemeter, the tension block simulates partial circumferentialwall of a magnet ring, and the resultant force direction of stresses of the tension block is accordant with the direction of the test force of the forcemeter. When in test, the stressed end of the forcemeter is connected with the analog stressed piece, and the forcemeter is fixed, so that the direction of the tension suffered by the analog stressed piece is accordant with the stress direction ofthe actual stressed piece, the tension suffered by the analog stressed piece can be test by wrapping a wire. The device provided by the invention is simple in structure and easy to install and fine tune; the test method is easy to operate and simple in process, can be applied to test the wire wrapping tension on a testing machine on the scene, and adjust in time without changing the structure of the whole machine, and is accurate and quick to test.

The invention discloses a micro-fluidic chip for high-throughput magnetic separation of circulating tumor cells. The micro-fluidic chip comprises a sample feeding part, a micro-fluidic separation areaand a sample discharging part, wherein the micro-fluidic separation area is of a closed cavity type structure, and the sample feeding part and the sample discharging part are connected with the two ends of the micro-fluidic separation area respectively; the sample feeding part comprises a blood sample feeding port and a buffer solution inlet; the sample discharging part comprises a magnetic beadcell collecting opening and a non-magnetic bead cell collecting opening; the micro-fluidic separation area comprises three structural areas, namely a purification structural area, a cell focusing structural area and a magnetic bead separation structural area. The micro-fluidic chip is high in background cell clearance rate, high in tumor cell capture rate, high in tumor cell survival rate and capable of achieving high-throughput capture.