94results about How to "Reduce reading errors" patented technology

The invention discloses a fixed-length cutting device for a stainless steel tube. The fixed-length cutting device for a stainless steel tube comprises a cutting platform and a cutting head group, andfurther comprises a length determining assembly and a clamping assembly; the left side end of the cutting platform is provided with an opening groove, a cutting panel is arranged in the opening groove, and a material collecting box is arranged under the cutting panel; and the length determining assembly comprises a fixed side plate, positioning screws and a positioning pressing plate, the fixed side plate is located over the left end of the opening groove and fixedly connected with the top face of the cutting platform, the positioning screws are symmetrically arranged on the front side and theback side of the fixed side plate, and the two ends of the positioning pressing plates are arranged on the two positioning screws in a sleeving mode separately. According to the fixed-length cuttingdevice for the stainless steel tube, the structure is simple, the practicability is high, operation is easy, use is convenient, not only can the cutting rate and the cutting precision of the stainlesssteel tube be improved, but also the cutting length standard can be guaranteed every time only through one time of cutting length measurement, the manual labor intensity is effectively reduced, the error rate brought by each time of manual measurement is decreased, and resources and the cost are saved.

The invention discloses a multi-position base plate delaminating monitor and a using method thereof. A plurality of extending pipes in the horizontal direction are mainly connected to the top of a base body sleeve of the traditional monitor; each extending pipe is provided with an upward observing seam; a measuring ruler is installed in each extending pipe, and the indication of the measuring rulers can be viewed from the observing seams; each measuring ruler is connected with respective anchor head by a pull rope; and each pull rope is movably connected to each measuring ruler by a screw, and the pull ropes respectively have different lengths in a drilling hole. When the multi-position base plate delaminating monitor is used, the delaminating condition of a base plate stratum is judged according to the displacement change of two upper and lower adjacent measuring points. The invention provides base plate delaminating data for the safety production of a coal mine, is convenient for a staff to adopt a safety measure in time, and prevents accident generation.

The invention discloses a device coupling photocatalytic oxidation and inorganic ceramic membrane separation. The device is characterized by comprising a suspended photo-catalytic reaction device (1) and an inorganic ceramic membrane separation device (2), wherein upper ends of the suspended photo-catalytic reaction device (1) and the inorganic ceramic membrane separation device (2) are connected with each other by using a pipe (4); and a high pressure diaphragm pump (3) is connected between lower ends of the suspended photo-catalytic reaction device (1) and the inorganic ceramic membrane separation device (2); integrated operation of the photocatalytic oxidation and the inorganic ceramic membrane separation can be realized so as to overcome the defect that photocatalyst is hard to be separated and recycled in a suspended photo-catalytic reactor.

The invention discloses a magnetic analyte collecting and transferring system, which comprises a collecting part and an elution, wherein the collecting part comprises a magnetic bar and a container suitable for placing the magnetic bar in size; the magnetic bar comprises a magnetic core and a magnetic sleeve; the magnetic sleeve is suitable for detachably sleeving the outside of the magnetic core in size; and the elution part is provided with a magnet for attracting magnetic analyte to fall off from the magnetic sleeve. The invention relates to the field of full-automatic detection equipment of the analyte or an extract. The magnetic bar in the system has a magnetic sleeve structure and can be matched with the magnet of the elution part, so that the problem that a common electromagnet or permanent magnet is difficult to separate after adsorption is completed is solved; a reading error generated in the CTC tumor cell metastasis process is reduced; and meanwhile, the pollution of a buffer solution and an antibody magnetic bead on the magnetic core is avoided.

The invention discloses a capacitive temperature sensor and a using method thereof. The capacitive temperature sensor is composed of a temperature sensing bag, a capillary tube, a bellows, a base, a temperature sensing working medium, a capacitor left electrode plate and a capacitor right electrode plate; the base is an L-shaped plate structure; a semi-circular groove is opened on a vertical plate; one end of the bellows is fixedly connected in the semi-circular groove, and the capillary tube and the temperature sensing bag are fixedly connected in order outwardly; the other end of the bellowsis overhanging on a horizontal plate of the base, and the end surface of the bellows is fixedly connected to the capacitor left electrode plate; the capacitor right electrode plate is vertically andfixedly connected to the base with a gap from the capacitor left electrode plate; and the communicating bellows, capillary tube and temperature sensing bag are filled with the same temperature sensingworking medium. The capacitive temperature sensor has the advantages of a simple structure, convenient operation during a using process, a small system error, a low economic cost, and double improvement of energy saving and safety.

The invention discloses a full-automatic chemiluminescent immunoassay instrument, which relates to the technical field of medical apparatus. The immunoassay instrument comprises a base, wherein a cleaning and mixing device and an optical inspection device are arranged on the base, the cleaning and mixing device comprises a cleaning disk, a first driving device for driving the cleaning disk to rotate, and a liquid extraction device, a liquid injection device and a mixing device located above the cleaning disk. The base is also provided with a lifting device for driving the liquid injection device, the liquid extraction device and the mixing device to move up and down in a vertical direction; the mixing device comprises a gripper for grasping reagent tubes and a second driving device for driving the gripper to rotate; the upper end surface of the cleaning disk is provided with pipe holes uniformly distributed; the outer edge of the cleaning disk is provided with optical inspection holescommunicating with the pipe holes; and the optical inspection device comprises a photon counter arranged on the base and close to the outer edge of the cleaning disk. The cleaning effect and the cleaning efficiency can be improved, and the inspection efficiency and the inspection accuracy are improved.

The invention discloses a mobile tag detection method based on a radio frequency identification system, which belongs to the technical field of mobile tag detection methods and overcomes the defects in the prior art. The technical problem to be solved is to provide the mobile tag detection method based on the radio frequency identification system. The technical scheme adopted by the invention is that the method comprises the following steps that a machine learning algorithm is designed to predict a mobile tag detection model, the model establishment process mainly comprises three parts, the first part is to extract three input characteristics, namely tag distribution, mobile tag speed and tag distance reader antenna distance, and the second part is to train a proposed SVM model; and the third part is used for testing the SVM model prediction mobile RFID tag. The method is suitable for the field of mobile tag detection.

The invention discloses a centrifugal micro-droplet particle chip. The chip comprises an upper piece and a lower piece bonded with the upper piece, a sample storage ring arranged in the middle of theouter surface of the upper piece or in the middle of the outer surface of the lower piece, M closed sample flow channels which are formed in a position between the upper piece and the lower piece andare outward distributed in a radial manner from the middle of the chip, and closed arc micro-droplet particle storage slot groups (5) which are arranged between the upper piece and the lower piece onthe left sides of the flow channels, wherein M is greater than 2; the closed arc micro-droplet particle storage slot groups comprise a plurality of arc micro-droplet particle storage slots which sharethe same center of a circle; M oil discharge flow channels which are outward distributed in a radial manner from the middle of the chip are formed in a position between the lower surface of the upperpiece and the upper surface of the lower piece; each oil discharge flow channel extends to the edge of the chip and is communicated with an oil discharge outlet at the edge of the chip. The chip hasthe characteristics of high sensitivity and high accuracy.

The invention discloses a cylindrical part inner wall defect size three-dimensional measurement system. A multi-degree-of-freedom displacement mechanism, a part fixing table and an observation structure supporting frame are arranged on a stable measurement platform; an observation mechanism is arranged on the observation structure supporting frame, and an observation module and a measurement sensor are arranged on the observation mechanism; and the cylindrical part is fixed on the part fixing table. The invention further discloses a measuring method of the three-dimensional measuring system. According to the technical scheme, non-contact measurement is adopted, and manufacturing errors of a traditional contact type measuring instrument and reading errors caused by human factors are reduced; model fitting is carried out based on the RANSAC algorithm, the robustness is high, and the efficiency is higher; high-precision multi-angle displacement driving is adopted, vertical lifting and 360-degree all-dimensional inductive triggering are achieved, integrated automatic execution is achieved, and the working efficiency is improved.

The invention discloses a displacement regulating and amplifying device and a base station antenna with the same. The displacement regulating and amplifying device comprises a first threaded rod, a second threaded rod, a regulating wheel and a base plate, wherein the first threaded rod is in butt connection with the second threaded rod; the thread pitch of the second threaded rod is greater than that of the first threaded rod; the two ends of the second threaded rod are supported on the base plate in an axially limited way; the first threaded rod is in threaded connection with a first sliding block; the second threaded rod is in threaded connection with a second sliding block; the first sliding block is connected with a component of which the displacement is to be regulated; and the regulating wheel is arranged at the free end of the second threaded rod, so that along with the rotation of the regulating wheel, the first threaded rod can drive the first sliding block and the component of which the displacement is to be regulated to move along the axial direction at a low speed, and that the second threaded rod can drive the second sliding block to move along the axial direction at a high speed. The device improves the accuracy of reading and ensures the precision of regulation.

The invention discloses a double-displacement-measurable corner reflector. The double-displacement-measurable corner reflector is characterized by comprising a triangular pyramidal reflector body, a Y-direction sliding module, a rotating module, an X-direction sliding module, a base module and connection rods, wherein the triangular pyramidal reflector body and the Y-direction sliding module are connected through the rotating module; the X-direction sliding module and the base module are located below the Y-direction sliding module; all the modules are connected through the connection rods. The double-displacement-measurable corner reflector has the advantages that a cardan joint allows the corner reflector to freely rotate in a three-dimensional space, so the repeating utilization rate is high; the corner reflector can move in the X-direction and the Y-direction and simulate radar sight direction displacement at high precision; vernier calipers are installed on the two sides of the X-direction and the Y-direction of the corner reflector, so reading errors caused by movement of the corner reflector can be reduced; the corner reflector is convenient to carry, easy and convenient to install and detach, low in cost, and capable of adjusting directions of the reflector body in the three-dimensional space and enhancing the reflection intensity and the SNR of a radar signal.

The invention relates to the stamped seal head quality detection technology, and aims to provide a plastic deformation measuring system and method for an austenitic stainless steel stamped seal head. The system comprises a guiding measuring tape and a measuring platform with guiding wheels on the bottom. An L-shaped slot is arranged in the front end of the measuring platform and movably installed in the measuring platform through a warp-wise scribing driving rod and a circumferential scribing driving rod, one end of the warp-wise scribing driving rod and one end of the circumferential scribing driving rod are amplified in a taper shape and are respectively and movably installed in a vertical chute in an adjustable ring. A laser head is sleeved inside the adjustable ring and connected to a laser generator through fiber, and the rear end of the measuring platform is provided with a stay wire displacement sensor, a stay wire guide rod angle adjusting turn button, a stay wire guide rod and a stay wire guide wheel. The precision is high and reading error is reduced. Laser scribing ensures high efficiency, high precision and low cost. Damage on material surface is small, and influence on the surface performance of seal head material is minimal. Mark is permanent, mark traceability is enhanced, and the application scope is expanded.

The invention discloses a device for automatically calibrating parameters of regulators and relates to a device for simultaneously carrying out automatic calibration on a plurality of regulators. The device provided by the invention comprises a calibration operating platform and an assistant operating platform. The device is characterized by also comprising a plurality of calibration modules which are arranged on the calibration operating platform and the assistant operating platform, each calibration module comprises a plurality of electrical devices or instrumentation devices, and the electrical devices or instrumentation devices are mutually connected in a patch-cord mode and a terminal strip connection mode. By using the device disclosed by the invention, the problems that in the prior art, multi-channel stable calibration signals can not be provided and the measurement error are caused by manual operation and numerical reading in the process of carrying out regulator calibration are solved. The calibration device disclosed by the invention integrates all devices on the calibration operating platform, and has no need of moving the instrumentation devices while carrying out different project calibrations; meanwhile, the device is simple in operation, convenient and flexible.

The invention relates to the technical field of engineering measurement, particularly, relates to a measuring scale. The measuring scale includes a first ruler, a second ruler, a hinge, an inclination angle sensor, a display device, and a processor. the first ruler and the second ruler are hinged by a hinge to achieve folding or unfolding, the inclination angle sensor, the display device and the processor are disposed on the first ruler, the display surface of the display device is far away from the first ruler, the inclination angle sensor and the display device are electrically connected with the processor, the inclination angle sensor is used to measure the included angle between the building surface and the reference surface when the first ruler and the second ruler are attached to the building surface, the processor is used to calculate an error value between the building surface and the building reference surface according to the included angle value, the length of the first ruler, and/or the length of the second ruler, and display the error value via the display device. The measuring scale is high in measurement accuracy.

The invention relates to a floor thickness measuring device, and relates to the floor detection device technical field. The floor thickness measuring device comprises an outer cylinder rod, a plurality of limiting clamps and a driving mechanism, wherein scale marks are arranged on the outer wall of the outer cylinder rod, the limiting clamps are arranged at one end of the outer cylinder rod and are used for limiting the insertion depth of the outer cylinder rod, and the driving mechanism is inserted into the outer cylinder rod, is linked with the limiting clamps and is used for driving the limiting clamps to be folded or unfolded; scale marks are arranged on the outer wall of the outer cylinder rod, and the outer wall of the outer cylinder rod is further in threaded connection with a positioning nut used for identifying the position. The floor thickness measuring device has the effect of being convenient to use.

The invention discloses a four-reading-head digital signal decoder for a steel ring encoder, relates to the field of signal processing of high-accuracy encoders, and aims to solve the problems of poor structural flexibility, poor program transportability, incapability of being compatible with a plurality of protocols and incapability of eliminating angle measurement errors in an existing decoder. In the four-reading-head digital signal decoder, a microprocessor unit reads an encoder protocol parameter from an electrically erasable programmable read-only memory (EEPROM) and writes the encoder protocol parameter into a logical processor unit; the logical processor unit selects an encoder reading head interface and a decoding way according to the encoder protocol parameter, and acquires encoder data of a corresponding encoder reading head and decodes the encoder data at the same time; the microprocessor unit reads decoded encoder data and performs mean processing on the decoded encoder data to obtain synthesized encoder data; and the microprocessor unit transmits the synthesized encoder data to a servo controller, and transmits the encoder data and the synthesized encoder data to a liquid crystal display screen for real-time displaying. The four-reading-head digital signal decoder has the advantages of flexible protocol, high program transportability, high angle measurement accuracy and high universality.

A control unit for a vehicle automatic transmission is small sized and can be produced at low cost. The control unit has an actuator (20) for switching between drive ranges of the transmission (6), ashift-by-wire control circuit (53) for controlling the actuator (20) based on a range selected by a driver, and an automatic transmission control circuit (56) for controlling various kinds of valves of a hydraulic control device of the automatic transmission (6). The elements described above are received in one case (10, 11, 12) and mounted on the automatic transmission (6).