106results about How to "Avoid inaccurate detection" patented technology

The invention discloses a washing machine control method and a washing machine. The washing machine is provided with a turbidity sensor for detecting water turbidity and a conductivity sensor for detecting water conductivity. According to the washing machine control method, conductivity of clear water is detected before washing is carried out, conductivity and a turbidity value of rinsing water are detected at the same time at every rinsing stage after washing is carried out, a conductivity variable quantity is calculated according to the measured conductivity of clear water and conductivity of rinsing water, and rinsing is stopped when the turbidity value and the conductivity variable quantity are both lower than the corresponding set threshold value. During every rinsing, the washing machine can automatically detect and calculate turbidity of rinsing water and conductivity changes of rinsing water, judge whether clothes are rinsed clean according to turbidity and conductivity changes of rinsing water and stop working in time after the clothes are rinsed clean to save water and electricity. The washing machine can automatically add rinsing frequency if the washing machine detects that the clothes are not rinsed clean when the rinsing frequency reaches the set value, so that residual stains, detergents and softeners are reduced, and the purpose of healthy laundry is achieved.

The invention discloses an elastic supporting device vibration strain monitoring method. A supporting body of an elastic supporting device comprises a bearing pedestal and a plurality of elastic cage strips which are distributed in the circumferential direction of the bearing pedestal, wherein one end of each elastic cage strip outwards extends in the radial direction of the supporting body to form an installation edge, and a gap is formed between the circumferential outer wall of the bearing pedestal and a machine box and filled with lubricating oil so as to form an extruded oil film damper. The method includes the steps that a strain gauge is attached to at least one elastic cage strip and connected to a vibration strain measuring instrument outside the machine box through a lead, and the vibration strain value of the strain gauge is detected through the vibration strain measuring instrument; whether the detected vibration strain value is larger than the preset vibration strain alarm threshold value or not is judged, and an alarm signal is generated if yes. By detecting the vibration strain value of the strain gauge, the vibration strain of the elastic supporting device is accurately detected, it is ensured that a journal of the bearing pedestal works within an extruded oil film linear area, an alarm is given once the vibration strain value exceeds the threshold value, and safe running performance of a rotor is improved.

The invention relates to a detection apparatus, in particular to a sewage sampling and detecting apparatus. The invention aims at solving the technical problem to provide a sewage sampling and detecting apparatus. In order to solve the technical problem, the invention provides a sewage sampling and detecting apparatus. The sewage sampling and detecting apparatus comprises wheels, test paper and a sampling apparatus and the like; the bottom of a bottom support is provided with the wheels, a top support and a moving apparatus are arranged at the inner bottom of the bottom support, the top support is arranged at the left side of the moving apparatus, the moving apparatus is connected with a fixed frame, the inner middle part of the fixed frame is provided with a separation plate, the test paper is arranged in the fixed frame at the rear side of the separation plate, and the sampling apparatus is arranged at the inner top of the top support. The sewage sampling and detecting apparatus has the effects that the sewage is uniformly dropped onto the test paper, the sponge can prevent the direct-flow sewage from being discharged onto the test paper to cause the inaccuracy in detection, the error is reduced, the neutralization proportion of an acid-alkali substance and the sewage can be determined, the up-to-standard emission of the sewage is facilitated, the apparatus is convenient to fix, and the fixed frame is convenient to remove and clean.

The invention discloses a method for detecting a moving target. The method comprises the following steps of (a), reading in a video frame, (b), preprocessing the video frame and enabling the video frame to become a gray level image frame, (c), judging whether the image frame is a first frame or not, if yes, building a GMM, and if not, carrying out the step (d), (d), processing the image frame, and obtaining characteristics of the moving target; (e), fusing the characteristics and obtaining image information of the moving object, (f), computing pixel points of the moving object to obtain the mass center of the moving object, and storing the position, in the frame, of the moving object, (g), comparing the mass center with a set threshold value, judging whether the mass center changes or not between two frames, if the mass center does not change, carrying out the step (i), and if the mass center changes, carrying out the step (h), (h), carrying out morphological processing and updating the GMM, (i) carrying out the morphological processing and not updating the GMM, (j) outputting the detection result of the current frame. The method can solve the problem that detection is not accurate when the moving object keeps static for a long time or when the moving object moves slowly, and is particularly suitable for detecting moving objects under the sea.

The invention discloses an auxiliary device for brain examination in the neurology department. The device comprises a base, a U-shaped neck pillow and a mandible clamping rotation mechanism, wherein the mandible clamping rotation mechanism comprises a supporting part, an arc-shaped clamping part and a rotating part, the arc-shaped clamping part comprises a clamping fixing plate and a first arc-shaped clamping plate and a second arc-shaped clamping plate which are adapted to the human mandible, the clamping fixing plate is provided with a rack, the rotating part comprises a second telescopic part and a rotation driving part, the rotation driving part is arranged on the base through a slide rail, the rotation driving part is provided with a tooth groove, and the rack is meshed with the toothgroove. The auxiliary device for the brain examination in the neurology department has the advantage that the first arc-shaped clamping plate and the second arc-shaped clamping plate which are adapted to the human mandible are arranged, thereby avoiding the problems that the fixation is inconvenient due to injuries and the like and the head detection is inaccurate due to the fact that the clamping device covers a part of the head which are caused by the fact the face or temple of a patient is directly fixed in the prior art.

The invention discloses a test box special for pre-assembled quick connectors and cables. The test box comprises a shell which comprises a box body and a box cover, a power source joint, a cable socket, an indicating lamp, a cable triphase joint and a conversion switch are arranged on the box cover, the power source joint is coupled with an outside power source, the cable socket and the cable triphase joint are both used for inserting connection with a to-be-tested cable, the power source joint comprises a null line joint coupled with an outside null line and a live line joint coupled with an outside live line, and the indicating lamp, the cable triphase joint, the cable socket and the conversion switch are mutually connected serially between the null line joint and the live line joint. By arranging the indicating lamp, the cable triphase joint, the cable socket and the conversion switch on the box cover, parts can be provided for cable testing effectively; compared with the prior art of adopting a mode of testing through a multimeter, the test box has the advantage of being simpler and more accurate.

The invention discloses a method for detecting dimethyl trisulfide in beer. The method comprises the following steps of 1, an apparatus connection process, 2, an apparatus parameter arrangement process, 3, a standard curve drawing process comprising preparing dimethyl trisulfide having a concentration of 99% into a standard solution having a concentration of 5mg/L, adding 40 microliters of the standard solution, 80 microliters of the standard solution, 120 microliters of the standard solution, 160 microliters of the standard solution, 200 microliters of the standard solution and 240 microliters of the standard solution respectively into 40mL of beer, putting the beer with the standard solution on a sample disk of a purge-trap automatic sampler, carrying out detection by an apparatus, and drawing a standard curve with concentration values as horizontal coordinates and peak areas as vertical coordinates, and 4, a beer sample detection process comprising putting 40ml of a beer sample to be detected into a container having an appropriate volume, adding 0.5ml of a chemical defoamer (diluted with water according to a ratio of the chemical defoamer to water of 1: 5), uniformly mixing, putting the beer sample on the sample disk of the purge-trap automatic sampler, carrying out detection analysis by the apparatus, and calculating dimethyl trisulfide content of the beer sample according to the standard curve. The method realizes detection of dimethyl trisulfide in beer and further promotes the improvement of beer quality.

The invention discloses a terminal mobility state detection device and method, and the device and the method are used for solving the problem that the judgment of an existing terminal mobility state detection method on the mobility state of a user terminal is inaccurate under a heterogeneous network. The device comprises a timing lead recorder, a timing lead variable calculator and a mobility state judging device. The method comprises the following steps that (1) a broadcast message of a community is received; (2) the timing lead is recorded; (3) the variable of the timing lead within the current recording cycle is calculated; (4) the mobility state of the terminal is judged; and (5) switching parameters are set. According to the terminal mobility state detection device and method, the mobility state of the terminal can be detected accurately and quickly, so that the switching is executed more timely, and the purpose of reducing the switching failure rate is achieved.

The invention discloses a bottleneck defect detecting method and a detecting device. The bottleneck defect detecting method comprises following steps: a reflective light ring formed by a bottleneck is subjected to accurate positioning; after accurate positioning, real-time cutting of the reflective light ring in to a plurality of small areas is carried out; it is determined that whether the white pixel value of each small area is in a small area white pixel value threshold range, if the white pixel value of a small area is in the small area white pixel value threshold range, the small area is qualified, otherwise, the small area is unqualified; it is determined that whether all the small areas are qualified small areas, if all the small areas are qualified small areas, the bottleneck is qualified, otherwise the bottleneck is unqualified. The detecting device comprises a light emission unit, a camera, and a processing unit; light emitted by the light emission unit irradiates the bottleneck so as to obtain the reflective light ring; the camera is used for capturing the reflective light ring; and the processing unit is used for evaluating the reflective light ring and determining that whether the bottleneck is qualified. The bottleneck defect detecting method and the detecting device are used for processing the reflective light ring of the bottleneck; bottleneck defect detection is realized; detection speed is large; and accuracy is high.

The invention discloses a cleaning mechanism and an outdoor water quality monitoring device thereof. The cleaning mechanism comprises a sweeping motor and a sweeping brush. The sweeping motor is mounted on a first partition plate, the sweeping output shaft of the sweeping motor penetrates the first partition plate and then is fixedly assembled with a first gear, the first gear and a second gear are in meshing transmission, the second gear is fixed to a sweeping cylinder in a sleeving mode, the other end of the sweeping cylinder penetrates a second partition plate, a third partition plate and abottom plate and then can be circumferentially and rotationally assembled with a supporting plate, and the sweeping cylinder further sleeves a guide cylinder and can circumferentially rotate relativeto the guide cylinder; the sweeping cylinder is in circumferential rotation and sealed assembly with the first partition plate and the second partition plate, and reciprocating threads are arranged on the portion, located between the third partition plate and the supporting plate, of the sweeping cylinder; the reciprocating threads and reciprocating protrusions are clamped and assembled in a sliding mode, and the reciprocating protrusions are arranged on the inner side of a magnet ring; the magnet ring is fixed to the top face of a scrubbing ring, countless first bristles are fixed to the outer wall of the scrubbing ring, and the first bristles can be tightly attached to the outer walls of probes.

The invention provides a flow detection device, a flow control system and a flow detection method, belongs to the technical field of semiconductor process manufacturing. The device and the system canat least partially solve the problems that an existing flow detection device is inaccurate in gas flow detection and slow in response. According to the flow detection device, the device is used for detecting flow in a gas channel. The gas channel comprises an upstream channel and a downstream channel which are connected with each other. A throat is formed at the joint of the upstream channel and the downstream channel. The cross sectional area of the throat is smaller than that of any one of the upstream channel and the downstream channel. The flow detection device comprises a first pressure test unit used for measuring a first pressure value of the upstream channel; a second pressure testing unit, used for measuring a second pressure value of the downstream channel; and a flow calculationunit, respectively connected with the first pressure test unit and the second pressure test unit so as to obtain a corrected flow value according to the first pressure value and the second pressure value.

The invention relates to the technical field of robot detection, in particular to a simple robot precision detecting device and method. The device comprises a fixing base and a load block which is used for being installed at the tail end of a robot. The fixing base is provided with an X-axis dial indicator, a Y-axis dial indicator and a Z-axis dial indicator, wherein the axis of the measuring head of the X-axis dial indicator, the axis of the measuring head of the Y-axis dial indicator and the axis of the measuring head of the Z-axis dial indicator are perpendicular to one another; when the robot drives the load block to move to the fixing base, the load block separately abuts against the measuring head of the X-axis dial indicator, the measuring head of the Y-axis dial indicator and the measuring head of the Z-axis dial indicator. The simple robot accuracy detecting device and method have the advantages that the load block is driven by the robot to move to the fixing base, the three faces, perpendicular to one another, of the load block abut against the three dial indicators respectively, readings of the dial indicators are taken, the moving precision of the arms of the robot is detected through multimetering, the structure is simple, the operation is convenient, and the cost is low.

The invention relates to a formaldehyde detection method. The method comprises the following steps of acquiring a first detection value provided by a first sensor, wherein the first sensor is used fordetecting the formaldehyde content in air; acquiring a second detection value provided by a second sensor, wherein the second sensor is used for detecting the non-formaldehyde interference gas content in the air; and judging a threshold interval where the second detection value is located, and obtaining a formaldehyde detection result according to the threshold interval, the second detection value and the first detection value. According to the threshold interval, the second detection value and the first detection value, the formaldehyde detection result is obtained, so that the detection result is more accurate and the problem that detection is inaccurate due to the fact that the first detection value is directly adopted as the formaldehyde detection result is effectively avoided. The invention further relates to a formaldehyde detection device and an air purifier.

The present invention provides a dust sensor, comprising: a casing, a blower fan and a plurality of detection mechanisms, the casing is formed with a plurality of detection air passages with a first port and a second port, and the detection air passages of the plurality of detection air passages are The second port is connected to form a common end, and the fan is arranged on the common end, and under the action of the fan, the common end forms a plurality of air outlets of the detection air duct, and the first port of the detection air duct forms an air inlet. For the tuyere, a plurality of detection mechanisms are arranged on the housing and correspond to the plurality of detection air ducts one by one, so as to respectively detect the dust in each detection air duct.

The invention discloses a device for detecting repair compressive strength of a CIPP pipeline. The device comprises a connecting block, wherein a supporting box is fixed on the connecting block; a baffle is fixed in the supporting box; springs are arranged on both sides of the baffle; a sliding block is arranged at one end of the springs; a roller wheel is rotatably arranged at the end of the sliding block; an installation box is fixed at one end of the supporting box; a servo motor is fixed in the installation box; a first bevel gear is fixed on an output shaft of the servo motor; a second bevel gear is in transmission connection with the first bevel gear; a first screw rod is in transmission connection with the second bevel gear; a first transmission nut is in transmission connection with the first screw rod; a first connection frame is in transmission connection with the first transmission nut; a first top block is fixed at the end of the first connecting frame; a pressure sensor isarranged between the first top block and the first connecting frame; a supporting mechanism is arranged at one end of the installation box. By adopting the structure, the detection of the compressivestrength is realized, the structure is simple, and the operation is easy.

The invention discloses an on-load voltage regulating oil quality online monitoring apparatus, which comprises a sampling pipe, a sampling pump, a detection chamber, an oil product sensor, a wirelessmodule and a processor, wherein the sampling pipe comprises a support pipe and a stretching sampling hose arranged in the support pipe, the side surface of the support pipe is provided with a plurality of first oil inlet hole arranged at equal intervals, both ends of the end of the stretching sampling hose are provided with second oil inlet holes, the top portion of the stretching sampling hose issealed by a plunger, the sampling pump injects to-be-detected voltage regulating oil into the detection chamber through the stretching sampling hose, the oil product sensor is arranged in the detection chamber, the oil is discharged out of the detection chamber through an oil discharge port, and the oil product sensor, the wireless module and the sampling pump are respectively connected to the processor. According to the present invention, with the on-load voltage regulating oil quality online monitoring apparatus, the voltage regulating oils at the multiple positions are sampled during the detecting so as to improve the accuracy of the detection.

The invention discloses a forced oil lubricated high-speed rolling bearing test bench. The forced oil lubricated high-speed rolling bearing test bench is composed of a base, a filter, an oil pump, an oil tank, oil pipes, tee interfaces, a motor, a coupling, a rotation shaft, flat keys, positioning shaft sleeves, bearings, a loading bearing, a test bearing, oil spray rings, bearing block lower parts, bearing block upper parts, a loading bearing block, snap rings, a round nut, bearing end covers, felt collar oil seals, a threaded loading rod, a bracket, a washer, a fastening bolt and the like. According to the forced oil lubricated high-speed rolling bearing test bench, a structure according to which two pairs of bearings are arranged side by side to support the rotation shaft is adopted; the oil pump is adopted to provide lubricating oil for the high-speed rolling bearing test bench; the filter is adopted to purify the lubricating oil; and therefore, the high-speed and stable operation of the test bench can be realized; and the cooling cyclic utilization of the lubricating oil is realized, so that the lubrication performance of the lubricating oil can be improved. Compared with an existing bearing test bench device, the device of the invention has the advantages of reliable performance in high-speed operation, convenient disassembly and simple and convenient operation, and is especially suitable for high-speed rolling bearing tests and other conditions where bearings generate a lot of heat.

The invention discloses a shifting wheel positioning device. A detecting assembly is arranged on one side of a shifting wheel which is provided with multiple detection points matched with the detection assembly. The detection points are annularly distributed on the shifting wheel and correspond to shifting wheel grooves in a one-to-one mode. A flexible assembly is arranged on one side of the shifting wheel which is provided with a positioning assembly. When the detecting assembly detects the preset detection points, the flexible assembly extends out to be matched with the positioning assembly to position the shifting wheel. The invention further discloses an intermittent filling device for a filling machine. The intermittent filling device comprises the shifting wheel and a filling assembly. The shifting wheel is provided with the shifting wheel positioning device which is used for positioning the shifting wheel to enable the filling assembly to carry out filling. The shifting wheel positioning device and the intermittent filling device for the filling machine have the advantages of being simple in structure, easy and convenient to operate, precise in positioning and the like.

The invention discloses a waste incineration power generation boiler flue gas pollutant monitoring device in the technical field of flue gas pollutant monitoring, and the device comprises a smoke exhaust pipeline, a mounting ring is arranged at the top of the smoke exhaust pipeline, a protection top is fixedly connected to the top of the mounting ring, and the front side of the smoke exhaust pipeline communicates with a detection channel. The front side of the detection channel extends to the outer side of the smoke exhaust pipeline. According to the invention, the detection probe is sent into the smoke exhaust pipeline by using a mounting block and a mounting plate, the inclined surface at the rear end of the mounting plate acts on the inclined surface at the bottom end of the first sealing plate, and the bottom of the first sealing plate slides on the upper surface of the mounting plate, so that the situation that smoke enters the exhaust pipeline in the process of pushing the detection probe into the smoke exhaust pipeline and the detection is inaccurate is prevented, and then, when the mounting plate is completely pushed into the smoke exhaust pipeline, a stop block can abut against the front side face of a second sealing plate, smoke is prevented from escaping in the detection process, and the accuracy of smoke detection by the detection probe is improved.

The invention relates to the technical field of component detection, in particular to a method of detecting zinc and selenium contents in zinc-selenium tea; by subjecting zinc-selenium tea to enclosed carbonization, dissipation of selenium and zinc in the zinc-selenium tea is effectively avoided; after the zinc-selenium tea is cooled to normal temperature, zinc-selenium vapor formed during the carbonization process is charged into a closed space, zinc and selenium in the zinc-selenium tea are never lost, and zinc and selenium detection accuracy for zinc-selenium tea is improved; in conjunction with stepwise establishment of standard curves, the standard curves are combined; a linear equation curve under the standard combined solution in the presence of zinc and selenium is established; liquid material to be detected is prepared into a liquid to be detected; changes in current in the liquid to be detected are then detected; zinc-selenium combination of the liquid to be tested is acquired in conjunction with a picture drawn in conjunction with the standard cures, detection difficulty is lowered, and detection accuracy is improved.

The invention provides a magnetic suspension compressor. The magnetic suspension compressor comprises a motor main shaft (13), a first impeller (6), a backflow device (4) and an axial displacement sensor (7), wherein the first impeller (6) is installed in the backflow device (4) and arranged outside the motor main shaft (13) in a sleeving manner; the axial displacement sensor (7) is fixedly arranged relative to the backflow device (4); one side, facing the axial displacement sensor (7), of the first impeller (6) is provided with an axial detection surface (602); and the axial displacement sensor (7) can detect the axial displacement of the first impeller (6) through the axial detection surface (602). According to the magnetic suspension compressor provided by the invention, the axial position of the impeller can be directly detected, so that the control precision of a system is improved.

The invention discloses a roller gap self-learning deviation correcting method and device, and relates to the technical field of steel rolling. The method is applied to a multi-rack continuous rollingprocess, and comprises the following steps that when a current roll of strip steel passes through a last rack of a multi-rack continuous rolling machine, current rolling data of each rack in the multi-rack continuous rolling machine are acquired; on the basis of the current rolling data and a mark position of recalculated rolling force of each rack, actual rolling force of each rack is determined; a current value of a self-learning coefficient of each rack is obtained; whether the current values of the self-learning coefficients are within a preset range or not is judged, if the current values of the self-learning coefficients are within the preset range, an updated self-learning coefficient value is obtained based on the current values of the self-learning coefficients and old values ofthe self-learning coefficients; and according to the updated self-learning coefficient value, the multi-rack continuous rolling machine is controlled to carry out rolling on a next roll of strip steel. According to the roller gap self-learning deviation correcting method, the problem that roller gap setting at an abnormal situation is not accurate can be solved, and the roller gap setting precision is improved, so that the strip steel rolling quality is improved.