214results about How to "Avoid affecting the detection accuracy" patented technology

The invention discloses an inspection device for the coaxiality of a cylinder cover valve base hole and a guide pipe bottom hole, which comprises a dial indicator, and is characterized by further comprising a core shaft which is of a hollow structure is can be inserted in the guide pipe bottom hole, a core rod inserted at one end of the core shaft and a rotatable inspection device base arranged atone end of the core rod in a sleeved manner, wherein one side of the inspection device base is provided with a measuring lever which can be inserted into the valve base hole can be connected with theside wall of the valve base hole in a contacted manner, the lower part of the measuring lever and the inspection device base are provided with a first spring therebetween, and a measuring head of thedial indicator penetrates through the inspection device base and is connected with the upper part of the measuring lever in a contact manner; and the core shaft is internally provided with a positioning mechanical capable of automatically positioning the axis of the guide pipe bottom hole below the core rod. The inspection device is simple in structure and convenient to operate, can measure the coaxiality of the cylinder cover valve base hole and the guide pipe bottom hole quickly and accurately, greatly improves the measurement efficiency and accuracy and reduces the labor intensity and theproduction cost.

The invention provides a multi-point gas monitoring device, comprising: a selective sampling cylinder, a plurality of sampling connecting pipes, a rotating connecting pipe, a driving part, a first gas detection unit, a first power unit, a second power unit, and a plurality of sampling One end of the connecting pipe is installed on the air inlet surface of the selective sampling cylinder and forms a circle, one end of the rotating connecting pipe is in contact with the air inlet surface of the selective sampling cylinder, the other end communicates with the first gas detection unit, and the driving part is connected with the rotating The tube drive connection is used to drive the intake end of the rotary connection tube to rotate around the circle formed by a plurality of sampling connection tubes on the air intake surface, and connect the rotary connection tube and each sampling connection tube in turn. The first power unit and The sampling barrel is selected to be connected, and the second power unit is connected to the gas path connected with the rotating connecting pipe. The present invention can carry out uninterrupted sampling detection on the components of the gas at different positions, such as the content of water and oxygen, harmful gases, and cleanliness. And the measurement accuracy is high, the volume is small, and the cost is low.

The invention discloses a method for positioning molten iron torpedo tank trucks, and belongs to the technical field of methods for positioning tank trucks. The method has the advantages that the temperatures of torpedo tank targets are sensed in a non-contact manner, accordingly, the molten iron torpedo tank trucks can be positioned, torpedo tank truck positioning requirements for filling the torpedo tank trucks with molten iron by tapping holes of metallurgical blast furnaces, filling molten iron trucks with molten iron by the torpedo tank trucks of steelmaking pouring stations, measuring the weight of the molten iron in the torpedo tank trucks or measuring the liquid level of molten iron in torpedo tanks and the like can be met, and the problems of filled molten iron overflow or influence on the detection accuracy and the like due to positioning errors can be solved; the method can be implemented by few equipment, logic structures are simple, maintenance is simple and convenient, the maintenance cost is extremely low, the method can be popularized and applied to automatically detecting the liquid level of liquid surfaces of the molten iron in the torpedo tank trucks and automatically measuring the weight of the molten iron, and the like.

The invention discloses a calibrating technology and device for a pure water total organic carbon analyzer. The calibrating device comprises a stirrer, a mixing bottle, an air inlet pipe, an exhaust pipe, a distribution pipeline, the pure water total organic carbon analyzer for calibration and a collecting bottle. According to the calibrating technology and device, during use, protective gas is continuously input into the mixing bottle, after air is discharged completely, blank water and a TOC solution with the known concentration are accurately input into the scale mixing bottle through an infusion pump, uniform stirring is carried out through the stirrer, the data measured by the high-accuracy pure water total organic carbon analyzer is compared with the result of dilution of TOC of thesolution in the mixing bottle, the result of the newly-prepared TOC standard solution obtained in the diluting and mixing processes is confirmed to be accurate and reliable, and the calibrating technology and device can be used for calibrating the pure water total organic carbon analyzer to be detected; due to the fact that the protective gas is continuously introduced into the mixing bottle, theair is driven out of the mixing bottle, and therefore the phenomenon that the detection precision is influenced due to the fact that carbon dioxide in the mixing bottle is blended into the mixing bottle can be avoided; the mixing bottle is made of a quartz material, so that the phenomenon that the detection accuracy is influenced due to the fact that metal ions is dissolved out due to the adoptionof a glass material can be avoided; the distribution pipeline is made of polytetrafluoroethylene, so that the problem that the detection accuracy is influenced due to the fact that free carbon elements in a pipeline enter a solution due to the adoption of a plastic pipeline can be solved; and accurate calibration of the pure water total organic carbon analyzer is realized.

The invention provides a wireless charging device and a wireless charging metal detection device and detection method. The metal detection device comprises a signal generation circuit, a parallel resonant circuit, a filtering circuit, a peak maintenance circuit, a control circuit and a notification unit, wherein the parallel resonant circuit comprises a metal detection coil, the interference condition of a metal foreign matter can be reflected according to impedance change of the metal detection coil, the signal generation circuit, the parallel resonant circuit, the filtering circuit and the peak maintenance circuit are sequentially connected in series, and the control circuit is connected with the signal generation circuit, the peak maintenance circuit and the notification unit. The metaldetection method comprises the main steps of actively acquiring optimal excitation frequency of the metal detection coil by a mode of frequency sweeping and tuning, sequentially driving a plurality of single detection coils which are not adjacent to each other by a mode of cycle scanning, reading output voltage change of the peak maintenance circuit by the control circuit, and making a response.The metal detection device has the advantages of simple structure, low cost and high identification efficiency.

The invention discloses a high-altitude cable intelligent inspection and repair device based on remote sensing control, which comprises a shell, a controller, a storage battery and a photovoltaic panel, and is characterized in that the controller for receiving remote signals and the storage battery for providing electric energy are arranged on the inner side of the shell; the two groups of adjusting mechanisms are symmetrically arranged on two sides of the shell and are used for realizing follow-up obstacle crossing and line change detection; the repairing mechanism is fixedly installed above the adjusting mechanism located on the right side of the shell and used for achieving active repairing of the damaged position of the outer wall of the cable, and the repairing mechanism comprises two sets of second suspension bases. The high-altitude cable intelligent inspection and repair device based on remote sensing control can freely move and detect on the outer side of a cable through remote sensing control, can automatically climb over obstacles installed on the outer side of the cable and carry out cable change detection, and can automatically clean the outer side of the cable before detection and repair, so that the detection precision is improved.

The invention relates to a micro dynamic pressure sensor detection system based on an MEMS technology. The micro dynamic pressure sensor detection system comprises a box body, air supply units, a fixing unit, a detection unit, a hinge, a box door, an observation window, a knob and a central control unit. The air supply units are arranged at the top of the box body; the air inlet ends of the air supply units are respectively connected with air storage tanks in which corresponding air is stored; when the parameters of the sensor to be detected are detected, corresponding types of gas can be selected according to actual conditions and introduced into the box body so as to simulate the actual working environment of the sensor; the deviation of different gas environments during detection can beeffectively avoided; and meanwhile, the system can select different detection standards according to the specific working environment of the sensor to be detected, i.e., different detection pressureranges are used for carrying out targeted detection on the sensor to be detected, so that the detection efficiency of the system is improved.

The invention discloses an inspection device for detecting water quality. The inspection device comprises a sampling body, a liquid inlet end, a sampling pipe, a filtering head, a stop valve, a lifting pump, a liquid outlet connector, a sliding groove, a rotary table, a rotary handle, a connecting rod, a storage box, a sealing hole, a label opening, a detection end, a lead wire, a detection device, a single chip microcomputer, an analog signal amplifying unit, an analog-to-digital conversion unit, a power supply unit, a storage unit, a key module, a display module, a wireless transmitting module and a receiving terminal. According to the inspection device disclosed by the invention, the flexibility of water quality sampling and detection operation is effectively improved, and the adjustingcapability of the device is enhanced; meanwhile, sampled samples are placed orderly and are classified clearly, so that later-period detection work is convenient to carry out; a condition that the detection accuracy is influenced, caused by the fact that various samples are placed disorderly, is avoided, and a placement space is sufficiently utilized; the working efficiency of water quality detection is greatly improved, and the time and the manpower are effectively saved; the whole device is flexible to use, and various utilization requirements under actual conditions are met.

The invention discloses a hoisting robot system of rotor blades. In the detection process of the rotor blades, a multi-degree-of-freedom hoisting robot is used for hoisting the produced rotor blades to a positioning mechanism, the positioning mechanism can be used for positioning the rotor blades so as to facilitate the detection operation. The structure characteristics of the rotor blades are considered to be irregular curved surface structures, therefore, the material shifting mechanical arm is not a conventional mechanical arm structure, the position change and adjustment of a plurality ofmaterial shifting suckers are realized through a unique structure of the material shifting mechanical arm, so that the material shifting suckers can be in full contact with the rotor blades, then tight adsorption and fixation are realized, and the hoisting safety is ensured; and meanwhile, due to the negative pressure adsorption effect, the surfaces of the rotor blades can be prevented from beingdamaged while safe hoisting is realized, and the influence on the detection precision is avoided.

The invention discloses an automatic laser detecting device for machining, which comprises a supporting bracket; the top part of the supporting bracket is fixedly equipped with a protecting cover, anda first chute is arranged on the upper surface of the supporting bracket; evenly distributed fixing plates are arranged on the upside of the supporting bracket, and the first chute is glidingly connected with the fixing plates through a first slide block at the inner part; the top part of the protecting cover is fixedly equipped with a cross beam, and both sides of the lower surface of the crossbeam are provided with second chutes; the left side of the lower surface of the cross beam is provided with a first electric push rod. Through the protecting cover, the automatic laser detecting device can avoid the influence on detection precision by outside light irradiation and also avoid the influence on outside environment by the laser refraction to outside; through arranging multiple laser emitters with different orientations at the inner part of the protecting cover, multiple surface of a work piece can be detected at the same time; thus the automatic laser detecting device can save a lot of time and is good for improving the working efficiency.

The invention discloses a full-automatic chemiluminescence immunoassay analyzer. A rack is provided with a data processing and control module which is connected with a sample storage module, a reagent cleaning and separating module, a reagent reaction module, a sample adding and transporting module, a lighting module and a suction head storage module at the same time; the suction head storage module is arranged between the sample storage module and the reagent reaction module, the reagent cleaning and separating module is arranged between the sample adding and transporting module and the lighting module, and the sample adding and transporting module is arranged between the reagent reaction module and the reagent cleaning and separating module. Whole blood or serum samples can be directly detected, after consumables and related reagents are prepared, the samples only need to be placed on the sample frame, code scanning, sample adding and other operations of the samples can be fully automatically completed, detection results are finally output, the accuracy and stability of the detection results are high, and the detection efficiency is high. The cost is obviously lower than that of a full-automatic chemiluminescence immunoassay analyzer in the market, and the invention is convenient for later mass popularization.

The invention relates to a detection device and a detection method for the interior of a pipeline, belonging to the field of petroleum. The detection device for the interior of the pipeline comprisesa walking mechanism capable of walking in a to-be-detected pipeline and a detection mechanism used for pipeline detection; and the detection device also comprises a PID speed control module used for controlling the walking speed of the walking mechanism and a speed detection module used for detecting the walking speed of the walking mechanism, wherein the speed detection module is connected with the signal of the PID speed control module which is connected with the walking mechanism in a controlled manner. When in use, the detection device is mounted into the to-be-detected pipeline, and the speed detection module detects the walking speed of the detection device in real time in the walking process of the detection device; the speed detection module transmits a measured speed to the PID speed control module, while the PID speed control module adjusts the walking speed of the walking mechanism in real time, so walking of the detection device at a constant speed is realized. Compared with the prior art, the detection device and the detection method provided by the invention have the following advantages: the accuracy of detection is guaranteed; meanwhile, the detection efficiency ofa detector is improved.

The invention relates to the technical field of water supply and drainage, in particular to an urban groundwater drainage pipe network detection method. The method comprises the following steps of selecting an detection area, determining the length of an underground drainage pipe network to be detected on the ground, opening a corresponding well cover of the underground drainage pipe network to bedetected, cleaning an underground drainage pipeline, cleaning the inner wall of the underground drainage pipeline till reaching a detection requirement, inspecting the underground drainage pipeline,placing an urban underground drainage pipe network detection device in the pipeline, inspecting the inner wall of the underground drainage pipeline by controlling the urban underground drainage pipe network detection device, recording a damaged location when the damage like problem of the underground drainage pipe network is detected by the underground drainage pipe network detection device, and preparing for post repair work. By means of the detection method, the problems that detection distance in the prior detection art is short, the positioning is difficult, and the damage detection is notcomprehensive are solved.

The invention relates to the technical field of detection devices, in particular to an electromechanical equipment vibration detection device which comprises a base, a supporting plate, a side plate and a movable sensor, a fixing base is welded to the lower end of the base, a plurality of evenly-distributed bolt holes are formed in the fixing base, fixing bolts are connected into the bolt holes, and the fixing base is fixedly connected to a mounting plane through the fixing bolts. Springs are welded to the four corners of the upper end of the fixing base, a supporting plate is welded to the upper ends of the springs, side plates are welded to the four edges of the upper end of the supporting plate, a containing groove is formed in the supporting plate and the side plates, and the upper endof the side plate on one side is fixedly connected with a vibration sensor through bolts. The electromechanical equipment vibration detection device has the beneficial effects that the motor can be clamped and fastened, so that the motor is tightly connected with detection equipment, the vibration transmission effect is ensured, the detection effect is better, the detection precision is preventedfrom being affected by vibration caused by additional collision due to inaccurate connection, motors of different signal specifications can be clamped and fastened for detection, the use convenienceis improved, and the use effect is improved.

The invention discloses a patrol robot and an underground pipe gallery information management system with same. The patrol robot comprises an acquisition apparatus, a tracing apparatus, an adjusting apparatus and a controller, wherein the acquisition apparatus is used for acquiring data information of an instrument in a pipe gallery; the tracing apparatus is used for acquiring location informationof the instrument in the pipe gallery; the adjusting apparatus is connected with the acquisition apparatus and used for adjusting the location of the acquisition apparatus; the controller is separately connected with the acquisition apparatus, the tracing apparatus and the adjusting apparatus in a communication manner; the location information of the instrument acquired by the tracing apparatus is fed back to the controller, and the controller controls the adjusting apparatus to adjust the acquisition apparatus to an optimum location so as to acquire the data on the instrument. The patrol robot is simple in structure, high in information acquisition accuracy, low in information acquisition amount, capable of effectively avoiding the complicated information screening and conversion work inthe prior art and favorable for optimizing the layout inside the pipe gallery.

The invention discloses a semiconductor packaging test device which comprises a platform. The top surface of the platform is provided with two conveyor belts, a packaged chip flatness detection mechanism, a detection table and a transfer mechanism; the transfer mechanism comprises two symmetrically-arranged stand columns, the tops of the stand columns are fixedly connected with a horizontally-arranged sliding rail, the outer wall of the sliding rail is slidably connected with a movable block, the top surface is fixedly connected with two symmetrically-arranged fixing plates, the top surface isprovided with a strip-shaped groove, and a lead screw is rotatably connected to the side walls of the fixing plates in a penetrating mode; and the side wall is fixedly connected with a motor coupledwith the lead screw, and the side wall of the movable block is provided with a material carrying mechanism. The invention relates to the technical field of semiconductor package testing. According tothe invention, the problems of low detection precision, low efficiency, easy ash falling on the detection table and influence on the detection precision due to the fact that a worker needs to place apackaged chip on the detection table and then uses a CDD camera to carry out overall shooting detection in the semiconductor packaging test process for detection of packaged chip flatness are solved.

The invention relates to handheld laser ranging equipment with an angle adjusting function. The handheld laser ranging equipment comprises a main body, a support shaft, a base, an adjusting mechanismand a cleaning mechanism, wherein the adjusting mechanism comprises an adjusting assembly and a transmission assembly; the adjusting assembly comprises a motor, a lead screw, a slide block, a hinge bar and two guide units; and the cleaning mechanism comprises a connection box, an air inlet pipe, an air outlet pipe, an air cylinder, a piston, a connecting rod, a power assembly and two nozzles. According to the handheld laser ranging equipment with the angle adjusting function, the angle of the main body can be adjusted through the adjusting mechanism to realize the function of adjusting the laser emitting angle. Dust adhering to a laser emitting device and a laser receiving device can be removed through the cleaning mechanism, so that the influence of dust with which the laser emitting device and the laser receiving device is covered on the detection accuracy of the equipment is avoided.

The invention discloses a water environment current situation monitoring device based on the Internet of things, which comprises a collecting device and a sampling mechanism. The sampling mechanism comprises a case and a protection pipe fixedly connected with the bottom of the case. The invention relates to the technical field of water environment monitoring. According to the water environment current situation monitoring device based on the Internet of things, a waterproof lamp holder is arranged at the upper part in a protection pipe, a plurality of groups of light intensity sensors are arranged at the lower part, and the multiple groups of light intensity sensors are distributed in a staggered manner and can detect light emitted by lamp beads respectively and further detect the light intensity at different depths under water and judge the transparency of water; and meanwhile, a plurality of sampling pipes are arranged, so that sampling detection can be carried out on water at different depths; a sampling assembly and a light intensity detection assembly are both placed in the protection pipe, the protection pipe is sleeved with an outer pipe, closing and opening of the protection pipe are realized, after detection is completed, a water sample in the protection pipe can be pumped out, cleaning can be conducted, then the interior of the protection pipe is kept clean, it is avoided that detection precision is affected due to attachment of impurities and algae, and use is convenient.

The invention provides a detection tool for a displacement sensor of a magnetic suspension molecular pump, and belongs to the technical field of detection equipment, and the detection tool comprises:an XYZ mobile platform which is installed on a bottom plate; a test piece fixing frame which is connected to the XYZ moving platform and is provided with an extending end used for being connected witha test piece and a connecting rod detachably and vertically connected to the extending end; a test piece which is connected to the bottom end of the connecting rod, wherein the test piece is providedwith a bottom plane and an arc-shaped side wall surface, or the test piece comprises a first test piece and a second test piece, the first test piece is provided with a bottom plane, and the second test piece is provided with a side wall arc-shaped surface. The detection tool for the displacement sensor of the magnetic suspension molecular pump is simple in structure, accurate in measurement andcapable of being repeatedly used, and under the same tool, measurement of different sensors can be achieved only by replacing the test piece.