76results about How to "Improve detection convenience" patented technology

The invention discloses a detection method for microscopic lithium precipitation from cycles of a lithium ion battery. The detection method comprises the following steps: firstly, discharging a to-be-detected lithium ion battery; disassembling the lithium ion battery after discharging, taking out an anode piece and cleaning the anode piece to remove residual electrolyte; exposing the anode piece to the air for 5-20 h, performing heating and drying at 60-110 DEG C for 1-3 h, and converting precipitated lithium into lithium carbonate finally; measuring corresponding data by EDS (energy-dispersive X-ray spectroscopy) or chemical titration to determine the degree of lithium precipitation in the anode piece. Compared with the prior art, the method has the following advantages that the detectionrange is wide, the method is applicable to detection of microscopic lithium precipitation, and the degree of lithium precipitation can be judged visually based on specific data obtained by detection;detection convenience is higher, external interference of detection data is low, requirements of the detection method for equipment are low, and the detection cost is low; the method is applicable toanalysis of lithium precipitation from cycles of various lithium ion batteries such as LFP, NCM, LMO and the like.

The invention discloses primers, a micro-fluidic chip and a system for detecting swine fever viruses, and application of the primers, wherein the primers are a primer group with the following sequences: P1:AGGGACTAGCCGTAGTGG, P2: AGGTCGTACCCCCATCAC, p3: GGTGAGCTTCTGCTCATGTCGA-AGCTCCCTGGGTGGTCTA, and P4: CGAGATGCTATGTGGACGAGGG-TGTGAGTTCACCCTAGCGA. According to the invention, the multiple defects ofLAMP isothermal amplification are thoroughly overcome, the detection effects of simple operation, rapid result output, multiple target points, synchronization and integration are realized, the characteristics of high sensitivity and high specificity are achieved, and a plurality of different indexes such as the swine fever virus and the like of the same sample or swine fever virus indexes of a plurality of samples can be detected at one time.

The application provides a method and apparatus for detecting the hang of an FPGA chip, the method comprising: obtaining, within a preset time period, a packet receiving statistical value and a packet transmitting statistical value for each port on a switch chip and a packet loss statistical value of a port on the FPGA chip connected to the port, and determining whether the packet transmitting statistical value is not zero and the sum of the packet receiving statistical value and the packet loss statistical value is less than a first predetermined value, and if so, adding 1 to an error number; determining whether the error number is higher than a second preset value; if so, determining the hang of the FPGA chip. The method and apparatus determine whether the port is faulted according to the packet receiving statistical value, packet transmitting statistical value and the packet loss statistical value, and can determine whether the FPGA chip is subjected to hang according to the number of error ports, prevents manual detection, improves real-timeness of the detection.

The invention discloses a low-cost miniature Halbach magnet with adjustable magnetic field uniformity, which comprises a main magnet, a shimming structure and a magnet structure support piece, and ischaracterized in that the main magnet comprises eight magnets with trapezoidal sections and eight samarium-cobalt magnets with rectangular sections, and the magnets with two shapes are closely arranged at intervals to form a circular ring; the shimming structure is divided into end shimming and central shimming according to different functions; the magnet structure supporting piece is used for final assembly of magnets and comprises an upper sealing cover, a lower sealing cover, a guide opening and a shell. The magnetic field intensity of 1T can be realized, the total mass of the magnet is lower than 3kg, the portable development of a low-field nuclear magnetic resonance instrument is facilitated, and the requirement of instant detection of researchers is met.

A pin hole detector, wherein light (L) passed through a pin hole (P) along a Z-axis direction is bound to a light detection element (4) but, since the advancing direction of noise light other than the light passed through the pin hole (P) is tilted relative to the Z-axis, the binding of the noise light to the light detection element (4) is limited by first and second optical means (1, 2) limiting an incidence angle, whereby the detector does not necessarily need a closed space when detecting, and can easily detect the pin hole (P).

A universal serial bus type-C interface circuit and a pin bypass method thereof are provided. The interface circuit includes a first configuration channel pin, a second configuration channel pin, a port manager and a port controller. The port manager has a first signal terminal and a second signal terminal. The port controller includes a multiplexer circuit and a control logic circuit. The multiplexer circuit is coupled to the first configuration channel pin, the second configuration channel pin, the first signal terminal and the second signal terminal. The control logic circuit is coupled to the multiplexer circuit and provides a multiplexer control signal to the multiplexer circuit in response to a switching request. The multiplexer circuit couples the first configuration channel pin and the second configuration channel pin to the first signal terminal and the second signal terminal respectively according to the multiplexer control signal.

The invention provides a bare chip crack damage detection circuit, a crack detection method and a memory. The bare chip crack damage detection circuit comprises a test circuit, a crack detection loop and a relay driving unit. The test circuit is positioned in a protection ring of a bare chip and is used for outputting a pulse detection signal; the crack detection loop is located in the protection ring and/or outside the protection ring, the input end of the crack detection loop is connected with the output end of the test circuit, and the output end of the crack detection loop is connected with the output pin of the bare chip; the relay driving unit is arranged between the input end and the output end of the crack detection loop and is used for enhancing the transmission capability of the pulse detection signal; the protection ring surrounds the whole bare chip and is used for protecting the bare chip; when the test circuit enters a test mode, a pulse detection signal is output to the crack detection loop, and a test machine judges whether the bare chip is damaged by cracks or not by reading a signal on an output pin of the bare chip. And the crack detection speed and sensitivity are greatly improved through the relay driving unit.

The invention provides a device for detecting the concentration of target ions and application of the device. According to the embodiment of the invention, the device comprises a gel body which is prepared from gel and a dispersion medium, and a nano sensor which is arranged in the gel body, wherein the nano sensor has selectivity for the target ions. According to the embodiment of the invention,the gel only allows small molecules in a sample to pass through a large number of micro holes in a diffusion manner, but has a filter function for macromolecules in the sample; when nano sensing hydrogel is in contact with the sample, the entry of blood cells, protein and the like can be effectively prevented, so that a reagent is difficultly interfered with a color background and scattering of the sample; the sample does not need to be pretreated, and the whole blood can be measured; a result measurement error is reduced, and the accuracy of content measurement is improved.

The invention discloses a baseband tensile strength detection device for thermosensitive cover tape production. The device comprises a control base placed above a working table, wherein an adjusting base is arranged on the upper surface of the control base; a support fixedly installed on the upper surface of the control base, wherein an electric push rod is fixedly installed above the support, and a supporting roller is arranged at the lower end of the electric push rod and used for abutting against and stretching a baseband; two sets of bearing frames symmetrically arranged on the upper surface of the adjusting base, wherein supporting rollers are fixedly installed on the side walls of the bearing frames; and a fixing frame fixedly installed on the outer side of the bearing frames through bolts. According to the baseband tensile strength detection device for thermosensitive cover band production, the baseband can be clamped and fixed in a winding mode, the fixing stability can be further improved through the viscosity of the baseband, meanwhile, the baseband can be synchronously stretched in multiple directions, so that the stretching stroke needed by equipment is effectively reduced, and use is convenient and fast.

The invention discloses a thin-wall part machining method. The method comprises the steps that the allowance is reserved, and specifically, an annular machining allowance edge which is coaxial with a part is reserved along the maximum outer circle position of the diameter of the part; a groove is machined, and specifically, an annular groove coaxial with the part is machined in the annular machining allowance edge; and the part is clamped, specifically, an end surface which is located at the annular machining allowance edge and is perpendicular to the axis direction of the part is used as a supporting side, an outer circumferential surface of the annular machining allowance edge is used as a positioning surface, and an annular surface, perpendicular to the axis direction of the part, in the annular groove is used as a pressing surface of a pressing hook. The thin-wall part machining method avoids that a plurality of clamps are applied to the same part during machining, and reduces the time and production cost caused by a clamp combination, a support positioning and pressing manner is adopted to prevent deformation of the part, and the pressing hook of the part is hidden inside the part and does not interference with the turning and measurement on the depth direction.

The invention discloses a preparation method of a constant-temperature box. The preparation method comprises the following steps that transportation and placement are conducted, specifically, produced energy storage plates are carried to the side of a circular base to be stacked, and then connecting pieces between pipelines are placed on a storage rack which is as high as a mounting table; and placing and positioning are conducted, specifically, a positioning bottom plate is placed on the top of the mounting table through positioning of limiting angle blocks, and the energy storage plates are placed on a mounting turnover frame in a portable turnover splicing mechanism according to a proper direction. According to the preparation method, through cooperation of the energy storage plates, a liquid inlet connecting pipe and a liquid outlet connecting pipe, an external energy carrier actively flows through the interior of the constant-temperature box, then active temperature adjustment of the interior of the constant-temperature box is achieved, and the energy storage performance of the interior of the constant-temperature box is effectively improved; and the outer side of the constant-temperature box is protected through a heat preservation outer box and a sealing box cover, the heat preservation performance of the constant-temperature box is further improved, and a good constant-temperature effect is guaranteed.

The invention discloses an alternating magnetometer verification system and a verification method thereof. The verification system comprises an alternating current standard source and a Helmholtz coil. The alternating current standard source is electrically connected with the Helmholtz coil; the verification method comprises the following steps that S1, the computer controls the microprocessor and the FPGA chip to generate alternating voltage; S2, the alternating voltage passes through an isolation transformer to output exciting current, and the exciting current flows into a Helmholtz coil; S3, the Helmholtz coil generates a standard magnetic field, wherein the detected alternating magnetometer transmits reading data to the computer; S4, the exciting current flowing out of the Helmholtz coil is converted into 1V voltage; S5, the 1V voltage is converted and then fed back to the computer; S6, calculating is performed by a computer to obtain a magnetic induction intensity value of the standard magnetic field; and S7, compared the calculated magnetic induction intensity value with the reading data of the detected alternating magnetometer by the computer, and judging and detecting are performed through an error value.

The invention discloses a device and method for detecting the tensile strength of a rock-soil body, and belongs to the field of rock-soil detection. The device comprises a detection box, a vertical block is fixedly installed at the top end of the detection box, a movable plate is connected to the top of the vertical block, and a top plate is installed at the top end of the movable plate. By arranging a uniform stretching mechanism and electrifying a first servo motor, a first rotating rod drives a first gear to rotate, so that the first gear drives a two-way gear to rotate, four groups of second gears are arranged on the inner wall of the two-way gear, so that the second gears rotate, and through meshing connection of the second gears and a gear rack, the second gears drive the gear rack to stretch, further the gear rack slides in a fixing plate through the sliding plate and the sliding groove, the first bottom plate and the second bottom plate drive the rock soil to carry out tensile detection, and through the arrangement, the rock soil can be uniformly detected in multiple directions.

The invention provides a cylindrical part detection device, which comprises a frame, a lifting mechanism, a feeding mechanism, a first detection mechanism, a carrying mechanism, a second detection mechanism, a position sensor, a third detection mechanism and a control indication device, and the surface of a packaging plate is provided with the second detection mechanism for quickly detecting the part height; a third detection mechanism for detecting the maximum aperture of the workpiece is mounted on the surface of the frame and in a position corresponding to the second detection mechanism, the maximum value and the minimum value of the diameter of the inner hole of the cylindrical part and the height of the cylindrical part are measured, and detection is stable, convenient and rapid; meanwhile, the carrying mechanism is arranged to stably clamp, position and guide the cylindrical parts, the feeding mechanism is adopted in cooperation to arrange and feed the cylindrical parts to achieve full-automatic guide conveying of the workpieces, feeding is convenient and rapid, manual participation is replaced, and the use safety of the equipment is improved.

The invention relates to a swing type digital display tensiometer, comprising a housing, and a tension sensor, a detecting circuit and a display, which are disposed on the housing, wherein a detectingend of the tension sensor is provided with a probe protruding from the housing and contacting the detected object, the data obtained by the tension sensor is displayed on the display via the detecting circuit, the housing is provided with a rotating base, the tension sensor is rotatably disposed on the rotating base and drives the probe to swing relative to the housing when rotating, and the front end of the housing is provided with a swing port for the probe to swing and a stabilizing mechanism that stabilizes the probe to a certain swing position. With the above solution, the invention provides a swing type digital display tensiometer, which improves the convenience of detection and improves the accuracy of obtained data.

The invention discloses a display screen detection jig, and the jig comprises a jig body, a first clamping assembly and a driving assembly; the first clamping assembly is arranged on the jig body andused for clamping the outer side edge of a display screen; the first clamping assembly comprises a first clamping piece and a second clamping piece, and the first clamping piece and the second clamping piece are oppositely arranged in the first direction; at least one of the first clamping piece and the second clamping piece forms a movable clamping piece, the movable clamping piece can move relative to the jig body in the first direction, and the driving assembly is used for driving the movable clamping piece to move in the first direction. According to the display screen detection jig, on the premise that stable clamping of the display screen is guaranteed, the display screen detection jig can make contact with the edge of the outer side of the display screen conveniently, an AA area ofthe display screen is prevented from making contact with or being shielded, and detection convenience and detection efficiency are improved.

The invention discloses a humidity detection method and system as well as an air conditioning system. The method comprises the following steps: simulating the refrigeration operation of an air conditioning unit; acquiring operation data in the simulated working condition; based on the acquired operation data in the simulated working condition, performing a logic operation process to confirm the humidity of the air conditioning unit. Through adoption of the method, the defects that in the prior art, the data accuracy is low, the cost is high, and the use is inconvenient can be overcome, and the benefits of high data accuracy, low cost and convenient use can be achieved.

The invention discloses a multi-environment type automobile tire steering anti-sideslip comparison detection device, which comprises a base, a servo motor, a pressure sensor, a movable seat, a conveying roller, a cleaning roller and a smearing roller, a control seat is installed in the middle of the upper surface of the base through a bolt, and a wheel seat is installed at the output end of the servo motor through a bolt, a to-be-detected tire is fixedly installed to an outside bolt of the wheel seat, the upper surface of the base is provided with an accommodating groove, the outer side of theconveying roller is sleeved with a friction belt in an attached mode, the inner side of the movable base is connected with a transmission roller through a bearing, the outer side of the transmissionroller is provided with a sleeve, and the side face of a support is movably connected with the cleaning roller and the smearing roller respectively. According to the multi-environment type automobiletire steering anti-sideslip comparison detection device, a kinetic energy driving device when the to-be-detected tire operates can be used for carrying out various simulations of the detection environment, meanwhile, the steering angle of the to-be-detected tire can be conveniently adjusted, and the detection effect and practicability of the device are effectively improved.

The invention relates to the field of intelligent manufacturing, in particular to a detection device for production and processing in intelligent manufacturing. The device comprises a device body; a graduated scale is fixedly mounted at the upper end, close to the front edge, of the device body; a vernier is mounted on the outer side of the graduated scale in a sliding manner; a magnifying lens isfixedly mounted right above the vernier; two groups of adjusting sliding grooves are formed in the position, close to the middle, of the upper end face of the device body. One group of adjusting sliding grooves are positioned behind the other group of adjusting sliding grooves; and two groups of adjusting and fixing pieces are arranged in the two groups of adjusting sliding grooves, a supportingpiece is installed at the upper end of one group of adjusting and fixing pieces, and a dial indicator is fixedly installed at the upper end of the other set of adjusting and fixing pieces, so that stepped shafts with different lengths can be conveniently detected, and the detection convenience can be improved.

The invention discloses a wafer cutting blade finished product detection device, and the device comprises a positioning seat, a fixed rod is fixedly arranged in the middle of one side of the top of the positioning seat, detection equipment is arranged on the outer wall of the fixed rod in a penetrating mode, a sliding groove is formed in one side of the top of the positioning seat, and a supporting frame is arranged at one end of the sliding groove in a sliding mode; a positioning frame is slidably arranged at the top end of the supporting frame, and a first positioning block is fixedly arranged at one end of the top of the supporting frame. The output end of a third motor fixed to the middle position of one side of a fixing frame drives a positioning shaft and a wafer cutting blade to start to rotate, and the output end of a first motor fixed to one side of a positioning frame drives a positioning frame to rotate; so that multiple angles of the wafer cutting blade can be detected conveniently, the wafer cutting blade can be detected more conveniently, damage caused by the fact that a worker needs to adjust the angle is avoided, potential safety hazards of wafer cutting blade detection are reduced, and the working efficiency of the wafer cutting blade detection device is improved.