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30results about How to "Reduce human measurement error" patented technology
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,Method of importing CAD data based on GIS into SWMM
ActiveCN108959598AReduce human measurement errorShorten the timeSpecial data processing applicationsICT adaptationWater storageData ingestion
The invention relates to the technical field of rainwater drainage, in particular to a method of importing CAD data based on GIS into SWMM. The method includes the following steps: step 1, pre-processing CAD data, deleting and classifying the data before importing so as to be used by GIS; step 2, conducting data verification to verify whet that topological relationship between the node and the pipeline is correct; step 3, conducting GIS data extraction and calculation: including node data extraction, pipeline data extraction, catchment data extraction; step 4, importing that data into the SWMMmodel; step 5, carrying out result and parameter analysis: testing and simulating the imported model. The method has the beneficial effects of saving the SWMM modeling time of the CAD and GIS data sources, improving the model data precision, reducing the human error, realizing the lossless conversion and realizing the parameter determination of the node bottom hole elevation, the characteristic width of the catchment area, the average slope, the water storage quantity of the depression, the impermeability percentage and the like.
Owner:SHENYANG JIANZHU UNIVERSITY
Fast and objective testing device and method for body-fitted property of fabric in hygrometric state
InactiveCN102707040BLow technical requirementsHigh resolutionTextile testingComputer control systemEngineering
The invention relates to a fast and objective testing device and method for body-fitted property of fabric in a hygrometric state. The device comprises a computer control system, a force measurement system, a mechanical drive system, a sample clamping system and a skin device for loading artificial skin, wherein the sample clamping system is arranged on the opposite side of the skin device; the sample clamping system is also connected with the mechanical drive system; the computer control system controls the sample clamping system to move through the mechanical drive system, so a fabric sample is attached to or separated from the artificial skin, and performs a real-time detection through the force measurement system; the force measurement system is connected with the computer, and the computer control system is used for detecting in real time, controlling and displaying an attached force-displacement curve, and calculating the maximal attached force, unit area attached force, attaching work and adhesive distance index. According to the method disclosed by the invention, the attaching property on the skin under the dress fabric wetting condition can be objectively characterized, and subjective tactile feeling of the body-fitted degree in the hygrometric state of the corresponding fabric of a human body is directly reflected.
Owner:DONGHUA UNIV +2
Automatic measuring method of film hot-shrinkage rate
ActiveCN108918579AHigh measurement accuracyRealize automatic searchMaterial thermal coefficient of expansionUsing optical meansImaging processingImaging analysis
The invention relates to an automatic measuring method of film hot-shrinkage rate. The automatic measuring method of film hot-shrinkage rate comprises following steps: a thin film sample is fixed using a thin film fixing clamping device based on negative pressure absorption, an industrial camera is used for obtaining thin film sample images under light source system illumination ; an image processing analyzing system is adopted for pre-treatment of the thin film sample images to remove interference and noise in the thin film images; an image analysis system is used for identifying thin film sample image boundaries, measuring boundary length, and performing data optimization; the steps 1 to 3 are adopted for measuring of the thin film sample boundary length before baking and after baking. According to the automatic measuring method, negative absorption principles are adopted to solve thin film rapid fixing difficulty, computer vision technology is adopted to realize automatic measuringof thin film heating before and after length, calculate thin film hot-shrinkage rate rapidly and accurately, industrial standards are achieved, and measuring is accurate and reliable.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI +1
Automatic measuring device for PLC planar lightwave circuit splitter
InactiveCN103326773AEasy to operateImprove test efficiencyTransmission monitoring/testing/fault-measurement systemsTest efficiencyMeasurement device
The invention discloses an automatic measuring device for a PLC planar lightwave circuit splitter. The automatic measuring device comprises a detecting signal generating module, a luminous power detecting module and a control display module, wherein the detecting signal generating module can provide an optical signal, the optical signal can pass through a component to be tested to enter the luminous power detecting module, the luminous power detecting module can test a power value of the optical signal, the control display module can record a luminous power reference value of the optical signal, the control display module can automatically measure and display an actual luminous power measured value through calculation, and the control display module can control work of other function modules and can read, calculate, store and display work states of all function modules and related parameters. Furthermore, the manual operation function and the computer communication function can be achieved. The automatic measuring device is simple in operation process, high in testing efficiency, capable of being combined flexibly and capable of achieving automatic measurement of multiple channels, multiple indexes and multiple wavelengths at one time.
Owner:HOPECOM OPTIC COMM
Roller pin and roller diameter detector
InactiveCN105823455AConvenient outer diameter detectionHigh measurement accuracyMeasurement devicesObservational errorMicrometer
The invention relates to a needle roller and roller diameter detector, which includes a base, a measuring platform and an instrument. The measuring platform has a concave structure and is fixed on the base; a lifting cylinder is arranged on the inner bottom surface of the measuring platform. A backing bracket is set on the lifting cylindrical rod, and a measuring backing is set on the backing bracket; a platform for placing the measured piece is arranged on the inner bottom of the measuring platform, and the platform for the measured piece is placed on the same side as the measuring backing and the instrument measuring platform. The heads are on the same center line; the upper plane of the measuring platform is equipped with a meter barrel, and a meter barrel fine-tuning nut is arranged below the meter barrel, and an instrument is placed in the meter barrel, and the meter measuring head is fixed on the meter; the present invention The beneficial effect is: it is convenient to detect the outer diameter of the needle roller and the roller, improves the measurement accuracy, reduces human measurement errors, and the measurement speed is five times that of the original lever micrometer.
Owner:HUBEI QIANCHAO PRECISION COMPONENTS
Batch detection method of small pin shaft part space sizes
ActiveCN103090793AImprove measurement efficiencyShorten detection timeUsing optical meansObservational errorPositioning system
The invention discloses a batch detection method of small pin shaft part space sizes. The batch detection method of the small pin shaft part space sizes comprises the following steps: 1), analyzing space sizes to be measured; 2), determining detection method of a single part and setting part measurement coordinate systems; 3), designing and manufacturing positioning plates assisting part measurement; 4) placing parts on the positioning plate in a batch mode according to requirements for positions of the positioning plates, and then placing the positioning plates on an optical projector; and 5), setting the measurement coordinate systems of the positioning plates by utilizing standards of the positioning plates, then determining part coordinate systems on the basis of the measurement coordinate systems of the positioning plates, and thus repeatedly and circularly measuring other parts. The batch detection method of the small pin shaft part space sizes has the advantages that by designing the assistant positioning plates to be combined with the optical projector, measurement efficiency of small parts is improved, and meanwhile, man-made measurement errors are reduced, measurement accuracy is improved, labor is saved, part detection time is reduced, and part production cycles are shortened.
Owner:CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD
Quality control system and method for radiotherapy device
InactiveCN101337113AProtection from radiation hazardsReduce human measurement errorSurgical instrument detailsProgramme control in sequence/logic controllersObservational errorQuality control system
The invention discloses a quality control system and a method for a radiotherapy device. The quality control system comprises a control terminal connected to a host computer for outputting a control command to the master machine; the host computer for controlling the operation of an orientator connected to the host computer based on the control command; the orientator for operating based on the control command, collecting the output quantity of the radiotherapy device and transmitting to a dose meter; and the dose meter for detecting the output quantity of the radiotherapy device collected by the radiotherapy device. Accordingly, the invention further discloses a quality control method for the radiotherapy device. By adopting the orientator to collect the output quantity of the radiotherapy device, the artificial measuring error is reduced, the measurement time is shortened, the working efficiency is improved, and the operating staff is safe from the radiation hazard.
Owner:广东省职业病防治院
Field identification method of verticillium wilt at cotton adult-plant stage
PendingCN109762872ASolve large-scale problemsAccurate identificationMicrobiological testing/measurementMicroorganism based processesDiseaseVerticillium species
The invention belongs to the technical field of agriculture and discloses a field identification method of verticillium wilt at a cotton adult-plant stage. The method comprises the steps of dividing verticillium wilt into seven grades; at the cotton adult-plant stage, delimiting a tested cotton plant area, counting the total number of cotton plants in the tested area, and marking the number as n;measuring the heights of the cotton plants in all the measured areas, and marking the measured heights of the cotton plants as H; longitudinally cutting each measured plant along the center of a rootbase part to obtain two longitudinal sections, taking the root base part as a starting point, measuring the infection height of the verticillium wilt in the longitudinal sections, and respectively marking the measured infection height as h; calculating the disease condition index of the measured plant; and confirming an identification result of the verticillium wilt resistance of the tested plantsaccording to the obtained verticillium wilt index value of the tested cotton corresponding to the verticillium wilt index grade. According to the field identification method for the verticillium wiltat the cotton adult-plant stage, errors of manual measurement can be decreased, and measurement values are constant.
Owner:甘肃省农业科学院作物研究所
A device and method for testing oil well pipe resistance to hydrogen sulfide stress corrosion
ActiveCN111141612BReduce human measurement errorWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesLiquid storage tankEngineering
The invention relates to a device and method for testing oil well pipe resistance to hydrogen sulfide stress corrosion. The device includes a stress ring test device, a laser detector, a detector moving device, a level calibration device and a control system; the laser detector consists of a laser light source and a control system. The detector rotation device is composed of; the horizontal calibration device is composed of a lifting seat and a horizontal rod. The corresponding rod section of the horizontal rod extending into the liquid storage tank is equipped with a detector moving device. The laser detector is installed on the detector moving device and can slide along with it. The laser light source in the laser detector can rotate up and down around the horizontal axis under the action of the detector rotating device; the horizontal rod can be vertically lifted by the lifting seat. The present invention observes the stress ring loading test in real time, measures the elongation of the sample during the loading process, realizes further analysis of the unfailed sample, and can evaluate the stress corrosion performance of the sample without adding additional tests and equipment .
Owner:ANGANG STEEL CO LTD
Patient support and method for studies of lumbar vertebra rotation
InactiveUS7127281B2Reduce human measurement errorSimple methodPatient positioning for diagnosticsCharacter and pattern recognitionVertebraSpinal column
A patient support and software evaluate spinal instability by controlled isocentric rotation of the spine and measurement of rotation among vertebra to detect damaged vertebra having disproportionately large rotations.
Owner:WISCONSIN ALUMNI RES FOUND
Method and device for measuring drilling depth through water level
ActiveCN112240198AIncrease workloadEnable real-time supervisionSurveyConstructionsStream gaugeWater level
The invention discloses a method and device for measuring the drilling depth through water level. The method comprises the following steps that measurement is conducted for the first time, specifically, the height of a rock-soil sampling device is measured, and the height is defined as h1; measurement is conducted for the second time, specifically, slurry in a slurry pool is conveyed into the holethrough a drill rod by means of a slurry pump, the height from the slurry level in the hole to the ground is measured, and the height is defined as h3; and an instrument is installed, specifically, awater level gauge and a collecting device are installed on the drill rod. The method and the device have the advantages that technicians can be helped to master field operation conditions and measurement results in real time, real-time supervision is achieved, and meanwhile, manual measurement errors are reduced; the problems that according to a traditional measurement method, the number of drilled drill rods is counted manually, the workload of the technicians is increased, the working cost is increased, and the labor efficiency is influenced are solved; and the problems that manual errors and inaccurate measurement results are easily caused by fatigue of workers at present are solved, informatization of measurement can be achieved, and the real-time performance of measurement is improved.
Owner:深圳市城安物联科技有限公司
Combined positioning device and positioning method
InactiveCN105157639AReduce installation adjustment alignment timeReduce human measurement errorMeasurement devicesEngineering
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Distance measuring device and golf course position distance measuring method based on GNSS differential technology
InactiveCN107024706AMeet the needs of distance measurementImprove convenienceSatellite radio beaconingGolf course turfSatellite
The invention provides a distance measuring device based on a GNSS differential technology, comprising a GNSS antenna module, a GNSS positioning module, a central processing unit, and a communication module. The GNSS antenna module is used for acquiring a GNSS satellite signal. The communication module is used for acquiring a GNSS differential signal of a GNSS differential base station. The GNSS positioning module is used for calculating out positioning data of the current position according to the GNSS differential signal and the GNSS satellite signal. The central processing unit is used for processing positioning data of a determined position and the positioning data of the current position, and calculating the distance between the determined position and the current position. The invention further provides a golf course position distance measuring method based on the GNSS differential technology.
Owner:SHENZHEN JIAHESHUN INFORMATION & TECH LTD
An Automatic Measurement Method of Film Thermal Shrinkage
ActiveCN108918579BHigh measurement accuracyRealize automatic searchMaterial thermal coefficient of expansionUsing optical meansVisual technologySample image
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI +1
Automatic acquisition device for stator positioning rib welding deformation measurement data
PendingCN111366067AReal-time monitoring of size data changesRealize automatic recordingWelding/cutting auxillary devicesUsing electrical meansControl engineeringAlarm device
The invention discloses an automatic acquisition device for stator positioning rib welding deformation measurement data. The automatic acquisition device comprises a probe, a probe fixing support, a signal acquisition device, a terminal computer, automatic analysis software, output equipment, an alarm device and monitoring supports, wherein each monitoring support is composed of a support fixing frame, a support base and a support walking mechanism and is fixed to a lower annular plate of a stator annular plate; the probe fixing support comprises a supporting block, an adjustable cushion blockand a probe frame, the supporting block is welded and fixed to the support fixing frame, the adjustable cushion block is installed on the supporting block, the probe frame is welded and fixed to thefront end of the adjustable cushion block, and the probe is fixed to the probe frame; the signal acquisition device and the alarm device are fixed on a support base and are connected with the terminalcomputer through signals; the signal acquisition device is connected with the probe; and the terminal computer is provided with the automatic analysis software. The automatic acquisition device can perform automatic measurement, automatic recording, automatic analysis and real-time alarm, and can perform real-time monitoring when a stator positioning rib of a hydro-generator is welded.
Owner:SINOHYDRO BUREAU 7 CO LTD
Device and method for testing hydrogen sulfide stress corrosion resistance of oil well pipe
ActiveCN111141612AReduce human measurement errorWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesLiquid storage tankEngineering
The invention relates to a device and a method for testing hydrogen sulfide stress corrosion resistance of an oil well pipe. The device comprises a stress ring test device, a laser detector, a detector moving device, a horizontal calibration device and a control system, wherein the laser detector is composed of a laser source and a detector rotating device; the horizontal calibration device is composed of a lifting base and a horizontal rod, a detector moving device is arranged on the corresponding rod section, stretching into the liquid storage tank, of the horizontal rod, and the laser detector is installed on the detector moving device and can horizontally move along the sliding way; the laser source in the laser detector can rotate up and down around a horizontal axis under the actionof the detector rotating device; the horizontal rod can be driven by the lifting base to vertically ascend and descend. The stress corrosion performance of the sample can be evaluated by observing thestress ring loading test in real time and measuring the elongation of the sample in the loading process so as to further analyze the non-failure sample without adding extra test and equipment.
Owner:ANGANG STEEL CO LTD
One-dimensional water tank for measurement of radiotherapy machine
PendingCN111812699AOvercome limitationsReduced measurement timeDosimetersX-ray/gamma-ray/particle-irradiation therapyIonization chamberEngineering
The invention discloses a one-dimensional water tank for measurement of a radiotherapy machine. The water tank comprises a first box body, an ionization chamber adapter, a drainage hose and a water level device. The ionization chamber adapter is arranged in the first box body; the ionization chamber adapter is provided with an accommodating cavity penetrating to a side wall of the first box body;the accommodating cavity is used for accommodating an ionization chamber; a drainage hole is formed in the side wall of the first box body, the first end of the drainage hose is connected with the drainage hole, a water outlet platform is arranged at the second end of the drainage hose, a plurality of grooves are arranged in a water level indicator, each groove has a preset height, and the groovesare used for containing the water outlet platform so that the upper surface of the water outlet platform has a preset height. According to the one-dimensional water tank for measurement of the radiotherapy machine, limitation of water surface height measurement in the first tank body is solved, an operator does not need to observe a water surface height through eyes when the one-dimensional watertank is used, measurement time is shortened, and manual measurement errors are reduced.
Owner:张松方
Installing and adjusting process before drilling and reaming for nuclear main pump
ActiveCN112496789AAccurate measurementReduce human measurement errorAutomatic control devicesMeasurement/indication equipmentsPhysicsElectric machinery
The invention relates to an installing and adjusting process before drilling and reaming for a nuclear main pump. Installing and adjusting of a pump cover (3) and a sealing chamber (2) are completed by adopting a seam allowance positioning method, the sealing chamber (2) is placed in a rotating center of a machine tool, a lower motor support (6) is placed on the pump cover, the center of the lowermotor support (6) is adjusted, and when the center of the lower motor support (6) coincides with the center of the sealing chamber (2), the sealing chamber (2), the pump cover (3) and the lower motorsupport (6) are simultaneously and tightly sealed by bolts (4) and nuts (5). According to the installing and adjusting process before drilling and reaming for the nuclear main pump, the coaxiality ofthe sealing chamber (2), the pump cover (3) and the lower motor support (6) before simultaneous drilling and reaming is guaranteed, after simultaneous drilling and reaming, pin positioning is used for preventing dislocation and displacement of the three parts in the operation process of a main pump, vibration of the main pump is prevented, the practical effect is good, and the expected effect ofnuclear power main pump installation is achieved.
Owner:HARBIN ELECTRIC POWER EQUIP
A plc planar waveguide optical splitter automatic measuring device
InactiveCN103326773BEasy to operateImprove test efficiencyTransmission monitoring/testing/fault-measurement systemsTest efficiencyComputer module
The invention discloses an automatic measuring device for a PLC planar lightwave circuit splitter. The automatic measuring device comprises a detecting signal generating module, a luminous power detecting module and a control display module, wherein the detecting signal generating module can provide an optical signal, the optical signal can pass through a component to be tested to enter the luminous power detecting module, the luminous power detecting module can test a power value of the optical signal, the control display module can record a luminous power reference value of the optical signal, the control display module can automatically measure and display an actual luminous power measured value through calculation, and the control display module can control work of other function modules and can read, calculate, store and display work states of all function modules and related parameters. Furthermore, the manual operation function and the computer communication function can be achieved. The automatic measuring device is simple in operation process, high in testing efficiency, capable of being combined flexibly and capable of achieving automatic measurement of multiple channels, multiple indexes and multiple wavelengths at one time.
Owner:HOPECOM OPTIC COMM
A Batch Detection Method for Spatial Dimensions of Small Pin Shaft Parts
ActiveCN103090793BImprove measurement efficiencyShorten detection timeUsing optical meansObservational errorPositioning system
Owner:CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD
A device for measuring the throat area of an aeroengine guide
ActiveCN103438793BPrecise positioningAccurate and reliable measurement resultsMechanical area measurementsThroatAviation
Owner:AECC AVIATION POWER CO LTD
Installation and adjustment process of nuclear main pump before drilling and reaming
ActiveCN112496789BAccurate measurementReduce human measurement errorAutomatic control devicesMeasurement/indication equipmentsThermodynamicsNuclear power
The invention relates to a process for installation and adjustment of a nuclear main pump before drilling and reaming. The installation and adjustment of the pump cover (3) and the sealing chamber (2) are completed by using the seam positioning method, and the sealing chamber (2) is placed at the rotation center of the machine tool , place the lower motor support (6) on the pump cover, and adjust the center of the lower motor support (6). When the center of the lower motor support (6) coincides with the center of the sealed chamber (2). Use bolts (4) and nuts (5) to tighten the sealing chamber (2), pump cover (3) and lower motor support (6) at the same time. The invention guarantees the coaxiality of the three parts of the sealing chamber (2), the pump cover (3) and the lower motor support (6) before co-drilling and reaming, and uses pin positioning after co-drilling and reaming to prevent the main pump from Misalignment and displacement occur between the three parts during operation, which prevents the main pump from vibrating, and has good practical effect, achieving the expected effect of nuclear power main pump installation.
Owner:HARBIN ELECTRIC POWER EQUIP
A combined positioning device and positioning method
InactiveCN105157639BReduce installation adjustment alignment timeReduce human measurement errorMeasurement devicesEngineering
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
Digital liquid level measuring instrument
PendingCN109827636ASmall space impactAccurate measurementLevel indicators by pressure measurementMeasuring instrumentLiquid state
The invention discloses a digital liquid level measuring instrument. The digital liquid level measuring instrument comprises a power source, a liquid level sensor and a PLC; the liquid level sensor isconnected with a sensor signal isolation and transmission card through a quick plug; the sensor signal isolation and transmission card is connected with the sensor signal receiving card of the PLC; and the sensor signal output card of the PLC is connected with a liquid level display screen. According to the digital liquid level measuring instrument of the invention, a configuration program can bewritten, the online revision of density and range can be met, and the presentation mode of measurement results is set. The measuring instrument can be matched with any liquid level sensor capable ofproviding standard current and voltage signals; the measuring instrument can directly display a liquid level and can output 4-to-20mA or 1-to-5V standard signals for users to use; the display part andmeasuring part of the measuring instrument adopt modular design; and during a measurement process, only the sensor contacts with a liquid ore, and therefore, the measuring instrument is just slightlyaffected by space.
Owner:SDIC XINJIANG LUOBUPO POTASH CO LTD
Device and method for in-situ precision measurement of tiny holes in small and medium-diameter cylindrical components
ActiveCN107014333BImprove processing efficiencyImprove machining accuracyMeasurement devicesMachine partsEngineering
The present invention provides medium-small caliber cylindrical element micropore in-place precision measurement equipment and a method. The equipment comprises a medium-small caliber cylindrical element micropore machining device and an in-place detection device. The method comprises the steps of adopting the medium-small caliber cylindrical element micropore machining device as a control device during the measurement of a to-be-machined part, clamping, rotating and moving the to-be-machined part during the measurement process so as to avoid the error and the part damage caused by secondary clamping; cooperatively adopting a force sensor of high sensitivity as a signal feedback element, rotating a turntable and moving an X-directional guide rail pair to realize the high measurement accuracy; based on the movement of a gas static-pressure guide rail pair and the movement of the X-directional guide rail pair, realizing the high-accuracy measurement for the diameter dimension of a micropore; by means of a high-accuracy gas static-pressure turntable, detecting the roundness and the cylindricity and the micropore at a high accuracy; integrating and machining all the above data to realize the two-dimensional and three-dimensional error evaluation on detection data. In this way, the machining efficiency and the machining accuracy of the micropore are improved.
Owner:XI AN JIAOTONG UNIV
Method and device for measuring borehole depth by water level
ActiveCN112240198BIncrease workloadEnable real-time supervisionSurveyConstructionsStream gaugeSoil science
Owner:深圳市城安物联科技有限公司
Combined mold for static slag resistance test of machine-pressed brick
The invention discloses a combined mold for a static slag resistance test of a machine-pressed brick. The combined mold comprises a magnetic base, a first round table and a reducing screw, wherein thereducing screw is used in cooperationwith the magnetic base and the first round table; the first round table is locatedon the magnetic base; four smallbulging tables are fixedly connected to the position close to the edge of the upper surface of the magnetic base; a base through hole is formed in the center of the upper surface of the magnetic base in a penetrating manner; a second round table isfixedly connected to the center of the top of the first round table. According to the combined mold, the round tables can be fixed in the specific positions of a bottom plate of a machine-pressed brick mold by the arranged magnetic base, overturning or rolling of the slag resistant mold due to material pouring can be avoided, and after the slag resistance test, the diameter position of a cruciblecan be determined on the basis of traces left by the small bulging tables on the magnetic base, so that cutting along the center line of the crucible can be ensured, and data measurement accuracy isensured.
Owner:北京利尔高温材料股份有限公司
Fast measuring process of saponfication value of emulsion
InactiveCN100520399CEasy to operateReduce dosageSpecial data processing applicationsChemical methods analysisPotassium hydroxideSaponification value
Owner:BAOSHAN IRON & STEEL CO LTD
Loudspeaker durability test monitoring device and test monitoring method
PendingCN114205728AResolve interferenceReduce human measurement errorElectrical apparatusEngineeringVehicle horn
The invention provides a loudspeaker durability test monitoring device and a loudspeaker durability test monitoring method. The loudspeaker durability test monitoring device comprises a wind noise system and a monitoring assembly. The automobile horn is arranged in the wind noise system; the monitoring assembly comprises a sound sensing part, a wind speed sensing part and a monitoring controller, the sound sensing part is electrically connected with the monitoring controller, the wind speed sensing part is arranged in the wind noise system and electrically connected with the monitoring controller, the monitoring controller is electrically connected with the loudspeaker testing system, and the loudspeaker testing system is electrically connected with the monitoring controller. The loudspeaker testing system is switched off when the automobile loudspeaker is abnormal. According to the loudspeaker durability test monitoring device, the loudspeaker test system is timely disconnected through the sound relay to stop the test through the sound circuit board when the sound frequency of the automobile loudspeaker is abnormal, the working state of the loudspeaker can be monitored for 24 hours, the data acquisition precision is high, the operation is easy, and an alarm sound can be timely given to inform a tester in an abnormal condition.
Owner:SAIC-GM-WULING AUTOMOBILE CO LTD
Quality control system and method for radiotherapy device
InactiveCN101337113BProtection from radiation hazardsReduce human measurement errorSurgical instrument detailsProgramme control in sequence/logic controllersControl systemControl engineering
The invention discloses a quality control system and a method for a radiotherapy device. The quality control system comprises a control terminal connected to a host computer for outputting a control command to the master machine; the host computer for controlling the operation of an orientator connected to the host computer based on the control command; the orientator for operating based on the control command, collecting the output quantity of the radiotherapy device and transmitting to a dose meter; and the dose meter for detecting the output quantity of the radiotherapy device collected bythe radiotherapy device. Accordingly, the invention further discloses a quality control method for the radiotherapy device. By adopting the orientator to collect the output quantity of the radiotherapy device, the artificial measuring error is reduced, the measurement time is shortened, the working efficiency is improved, and the operating staff is safe from the radiation hazard.
Owner:广东省职业病防治院
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